diff --git a/src/main/java/org/myrobotlab/service/InMoov2.java b/src/main/java/org/myrobotlab/service/InMoov2.java index fb07259b50..75b80e6964 100644 --- a/src/main/java/org/myrobotlab/service/InMoov2.java +++ b/src/main/java/org/myrobotlab/service/InMoov2.java @@ -1112,7 +1112,6 @@ public void onConfigStarted(String configName) { invoke("publishConfigStarted", configName); } - public void onGestureStatus(Status status) { if (!status.equals(Status.success()) && !status.equals(Status.warn("Python process killed !"))) { error("I cannot execute %s, please check logs", lastGestureExecuted); @@ -1486,9 +1485,9 @@ public String publishFlash(String flashName) { } public String publishHeartbeat() { - if (config.heartbeatFlash) { - invoke("publishFlash", "heartbeat"); - } + if (config.heartbeatFlash) { + invoke("publishFlash", "heartbeat"); + } return getName(); } diff --git a/src/main/java/org/myrobotlab/service/Runtime.java b/src/main/java/org/myrobotlab/service/Runtime.java index 579f22d4cf..2185727eb5 100644 --- a/src/main/java/org/myrobotlab/service/Runtime.java +++ b/src/main/java/org/myrobotlab/service/Runtime.java @@ -130,5224 +130,5318 @@ * VAR OF RUNTIME ! * */ -public class Runtime extends Service implements MessageListener, ServiceLifeCyclePublisher, - RemoteMessageHandler, ConnectionManager, Gateway, LocaleProvider { - - final static private long serialVersionUID = 1L; - - // FIXME - AVOID STATIC FIELDS !!! use .getInstance() to get the singleton - - /** - * a registry of all services regardless of which environment they came from - - * each must have a unique name - */ - static volatile private Map registry = new TreeMap<>(); - - /** - * A plan is a request to runtime to change the system. Typically its to ask to - * start and configure new services. The master plan is an accumulation of all - * these requests. - */ - @Deprecated /* use the filesystem only no memory plan */ - protected final Plan masterPlan = new Plan("runtime"); - - /** - * thread for non-blocking install of services - */ - static private transient Thread installerThread = null; - - /** - * services which want to know if another service with an interface they are - * interested in registers or is released - * - * requestor type > interface > set of applicable service names - */ - protected final Map> interfaceToNames = new HashMap<>(); - - protected final Map> typeToNames = new HashMap<>(); - - protected final Map> interfaceToType = new HashMap<>(); - - protected final Map> typeToInterface = new HashMap<>(); - - private transient static final Object processLock = new Object(); - - /** - * FILTERED_INTERFACES are the set of low level interfaces which we are - * interested in filtering out if we want to maintain a data structure which has - * "interfaces of interest" - */ - protected final static Set FILTERED_INTERFACES = new HashSet<>(Arrays.asList( - "org.myrobotlab.framework.interfaces.Broadcaster", "org.myrobotlab.service.interfaces.QueueReporter", - "org.myrobotlab.framework.interfaces.ServiceQueue", "org.myrobotlab.framework.interfaces.MessageSubscriber", - "org.myrobotlab.framework.interfaces.Invoker", "java.lang.Runnable", - "org.myrobotlab.framework.interfaces.ServiceStatus", "org.atmosphere.nettosphere.Handler", - "org.myrobotlab.framework.interfaces.NameProvider", "org.myrobotlab.framework.interfaces.NameTypeProvider", - "org.myrobotlab.framework.interfaces.ServiceInterface", "org.myrobotlab.framework.interfaces.TaskManager", - "org.myrobotlab.framework.interfaces.LoggingSink", "org.myrobotlab.framework.interfaces.StatusPublisher", - "org.myrobotlab.framework.interfaces.TypeProvider", "java.io.Serializable", - "org.myrobotlab.framework.interfaces.Attachable", "org.myrobotlab.framework.interfaces.StateSaver", - "org.myrobotlab.framework.interfaces.MessageSender", "java.lang.Comparable", - "org.myrobotlab.service.interfaces.ServiceLifeCycleListener", - "org.myrobotlab.framework.interfaces.StatePublisher")); - - protected final Set serviceTypes = new HashSet<>(); - - /** - * The directory name currently being used for config. This is NOT full path - * name. It cannot be null, it cannot have "/" or "\" in the name - it has to be - * a valid file name for the OS. It's defaulted to "default". Changed often - */ - protected static String configName = "default"; - - /** - * The runtime config which Runtime was started with. This is the config which - * will be applied to Runtime when its created on startup. - */ - // protected static RuntimeConfig startConfig = null; - - /** - * State variable reporting if runtime is currently starting services from - * config. If true you can find which config from runtime.getConfigName() - */ - boolean processingConfig = false; - - /** - * 
-	 * The set of client connections to this mrl instance Some of the connections
-	 * are outbound to other webguis, others may be inbound if a webgui is
-	 * listening in this instance. These details and many others (such as from
-	 * which connection a client is from) is in the Map <String, Object> information.
-	 * Since different connections have different requirements, and details regarding
-	 * clients the only "fixed" required info to add a client is :
-	 *
-	 * uuid - key unique identifier for the client
-	 * connection - name of the connection currently managing the clients connection
-	 * state - state of the client and/or connection
-	 * (lots more attributes with the Map<String, Object> to provide necessary data for the connection)
-	 *
- */ - protected final Map connections = new HashMap<>(); - - /** - * corrected route table with (soon to be regex ids) mapped to - * gateway/interfaces - */ - protected final RouteTable routeTable = new RouteTable(); - - static private final String RUNTIME_NAME = "runtime"; - - /** - * user's data directory - */ - static public final String DATA_DIR = "data"; - - /** - * default parent path of configPath static ! - */ - public final static String ROOT_CONFIG_DIR = DATA_DIR + fs + "config"; - - /** - * number of services created by this runtime - */ - protected Integer creationCount = 0; - - /** - * the local repo.json manifest of this machine, which is a list of all - * libraries ivy installed - */ - transient private IvyWrapper repo = null; // was transient abstract Repo - - transient private ServiceData serviceData = ServiceData.getLocalInstance(); - - /** - * command line options - */ - static CmdOptions options = new CmdOptions(); - - /** - * command line configuration - */ - static StartYml startYml = new StartYml(); - - /** - * the platform (local instance) for this runtime. It must be a non-static as - * multiple runtimes will have different platforms - */ - protected Platform platform = null; - - private static long uniqueID = new Random(System.currentTimeMillis()).nextLong(); - - public final static Logger log = LoggerFactory.getLogger(Runtime.class); - - /** - * Object used to synchronize initializing this singleton. - */ - transient private static final Object INSTANCE_LOCK = new Object(); - - /** - * The singleton of this class. - */ - transient private static Runtime runtime = null; - - private List jvmArgs; - - /** - * set of known hosts - */ - private transient Map hosts = null; - - /** - * global startingArgs - whatever came into main each runtime will have its - * individual copy - */ - // FIXME - remove static !!! - static String[] globalArgs; - - static Set networkPeers = null; - - /** - * The name of the folder used to store native library dependencies during - * installation and runtime. - */ - private static final String LIBRARIES = "libraries"; - - String stdCliUuid = null; - - InProcessCli cli = null; - - /** - * available Locales - */ - protected Map locales; - - protected List configList; - - /** - * Wraps {@link java.lang.Runtime#availableProcessors()}. - * - * @return the number of processors available to the Java virtual machine. - * @see java.lang.Runtime#availableProcessors() - * - */ - public static final int availableProcessors() { - return java.lang.Runtime.getRuntime().availableProcessors(); - } - - /** - * Function to test if internet connectivity is available. If it is, will return - * the public gateway address of this computer by sending a request to an - * external server. If there is no internet, returns null. - * - * @return The public IP address or null if no internet available - */ - static public String getPublicGateway() { - try { - - URL url = new URL("http://checkip.amazonaws.com/"); - HttpURLConnection con = (HttpURLConnection) url.openConnection(); - con.setRequestMethod("GET"); - - int status = con.getResponseCode(); - log.info("status " + status); - - String gateway = FileIO.toString(con.getInputStream()); - return gateway; - - } catch (Exception e) { - log.warn("internet not available"); - } - return null; - } - - /** - * Create which only has name (no type). This is only possible, if there is an - * appropriately named service config in the Plan (in memory) or (more commonly) - * on the filesystem. Since ServiceConfig comes with type information, a name is - * all that is needed to start the service. - * - * @param name - * @return - */ - static public ServiceInterface create(String name) { - return create(name, null); - } - - /** - * Create create(name, type) goes through the full service lifecycle of: - * - * 
-	 * clear - clearing the plan for construction of service(s) needed 
-	 * load  - loading the plan for desired services 
-	 * check - checking all planned service have met appropriate licensing and dependency checks create -
-	 *
- * - * @param name - Required, cannot be null - * @param type - Can be null if a service file exists for named service - * @return the service - */ - static public ServiceInterface create(String name, String type) { - - synchronized (processLock) { - - try { - ServiceInterface si = Runtime.getService(name); - if (si != null) { - return si; - } - - Plan plan = Runtime.load(name, type); - Runtime.check(name, type); - // at this point - the plan should be loaded, now its time to create the - // children peers - // and parent service - createServicesFromPlan(plan, null, name); - si = Runtime.getService(name); - if (si == null) { - Runtime.getInstance().error("coult not create %s of type %s", name, type); - } - return si; - } catch (Exception e) { - runtime.error(e); - } - return null; - } - } - - /** - * Creates all services necessary for this service - "all peers" and the parent - * service too. At this point all type information and configuration should be - * defined in the plan. - * - * FIXME - should Plan be passed in as param ? - * - * @param name - * @return - */ - private static Map createServicesFromPlan(Plan plan, - Map createdServices, String name) { - - synchronized (processLock) { - - if (createdServices == null) { - createdServices = new LinkedHashMap<>(); - } - - // Plan's config - RuntimeConfig plansRtConfig = (RuntimeConfig) plan.get("runtime"); - // current Runtime config - RuntimeConfig currentConfig = Runtime.getInstance().config; - - for (String service : plansRtConfig.getRegistry()) { - ServiceConfig sc = plan.get(service); - if (sc == null) { - runtime.error("could not get %s from plan", service); - continue; - } - ServiceInterface si = createService(service, sc.type, null); - // process the base listeners/subscription of ServiceConfig - si.addConfigListeners(sc); - if (si instanceof ConfigurableService) { - try { - ((ConfigurableService) si).apply(sc); - } catch (Exception e) { - Runtime.getInstance().error( - "could not apply config of type %s to service %s, using default config", sc.type, - si.getName(), sc.type); - } - } - createdServices.put(service, si); - currentConfig.add(service); - } - - return createdServices; - } - } - - public String getServiceExample(String serviceType) { - String url = "https://raw.githubusercontent.com/MyRobotLab/myrobotlab/develop/src/main/resources/resource/" - + serviceType + "/" + serviceType + ".py"; - byte[] bytes = Http.get(url); - if (bytes != null) { - return new String(bytes); - } - return ""; - } - - public static String getPeerName(String peerKey, ServiceConfig config, Map peers, - String parentName) { - - if (peerKey == null || !peers.containsKey(peerKey)) { - return null; - } - - if (config != null) { - - // dynamically get config peer name - // e.g. tilt should be a String value in config.tilt - Field[] fs = config.getClass().getDeclaredFields(); - for (Field f : fs) { - if (peerKey.equals(f.getName())) { - if (f.canAccess(config)) { - Object o; - try { - o = f.get(config); - - if (o == null) { - // config "has" the field, just set to null at the moment - // peer actual name then will be default notation - if (parentName != null) { - return String.format("%s.%s", parentName, peerKey); - } - log.warn("config has field named {} but it's null", peerKey); - return null; - } - - if (o instanceof String) { - return (String) o; - } else { - log.error("config has field named {} but it is not a string", peerKey); - break; - } - } catch (Exception e) { - log.error("getting access to field threw", e); - } - - } else { - log.error("config with field name {} but cannot access it", peerKey); - } - } - } - } - // last ditch attempt at getting the name - will default it if parentName is - // supplied - if (parentName != null) { - return String.format("%s.%s", parentName, peerKey); - } - return null; - } - - public static void check(String name, String type) { - log.info("check - implement - dependencies and licensing"); - // iterate through plan - check dependencies and licensing - } - - /** - * Use {@link #start(String, String)} instead. - * - * @param name Name of service - * @param type Type of service - * @return Created service - */ - @Deprecated /* use start */ - static public ServiceInterface createAndStart(String name, String type) { - return start(name, type); - } - - /** - * creates and starts services from a cmd line object - * - * @param services - services to be created - */ - public final static void createAndStartServices(List services) { - - if (services == null) { - log.error("createAndStartServices(null)"); - return; - } - - log.info("services {}", Arrays.toString(services.toArray())); - - if (services.size() % 2 == 0) { - - for (int i = 0; i < services.size(); i += 2) { - String name = services.get(i); - String type = services.get(i + 1); - - log.info("attempting to invoke : {} of type {}", name, type); - - ServiceInterface s = Runtime.create(name, type); - - if (s != null) { - try { - s.startService(); - } catch (Exception e) { - runtime.error(e.getMessage()); - Logging.logError(e); - } - } else { - runtime.error(String.format("could not create service %s %s", name, type)); - } - - } - return; - } - Runtime.mainHelp(); - shutdown(); - } - - /** - * Setting the runtime virtual will set the platform virtual too. All subsequent - * services will be virtual - */ - @Override - public boolean setVirtual(boolean b) { - boolean changed = config.virtual != b; - config.virtual = b; - isVirtual = b; - setAllVirtual(b); - if (changed) { - broadcastState(); - } - return b; - } - - /** - * Sets all services' virtual state to {@code b}. This allows a single call to - * enable or disable virtualization across all services. - * - * @param b Whether all services should be virtual or not - * @return b - */ - static public boolean setAllVirtual(boolean b) { - for (ServiceInterface si : getServices()) { - if (!si.isRuntime()) { - si.setVirtual(b); - } - } - Runtime.getInstance().config.virtual = b; - Runtime.getInstance().broadcastState(); - return b; - } - - /** - * Sets the enable value in start.yml. start.yml is a file which can control the - * automatic loading of config. In general when its on, and a config is selected - * and saved, the next time Runtime starts it will attempt to load the last - * saved config and get the user back to their last state. - * - * @param autoStart - * @throws IOException - thrown if cannot write file to filesystem - */ - public void setAutoStart(boolean autoStart) throws IOException { - log.debug("setAutoStart {}", autoStart); - startYml.enable = autoStart; - startYml.config = configName; - FileIO.toFile("start.yml", CodecUtils.toYaml(startYml)); - invoke("getStartYml"); - } - - /** - * Framework owned method - core of creating a new service. This method will - * create a service with the given name and of the given type. If the type does - * not contain any dots, it will be assumed to be in the - * {@code org.myrobotlab.service} package. This method can currently only - * instantiate Java services, but in the future it could be enhanced to call - * native service runtimes. - *

- * The name parameter must not contain '/' or '@'. Thus, a full name must be - * split into its first and second part, passing the first in as the name and - * the second as the inId. This method will log an error and return null if name - * contains either of those two characters. - *

- * The {@code inId} is used to determine whether the service is a local one or a - * remote proxy. It should equal the Runtime ID of the MyRobotLab instance the - * service was originally instantiated under. - * - * @param name May not contain '/' or '@', i.e. cannot be a full name - * @param type The type of the new service - * @param inId The ID of the runtime the service is linked to. - * @return An existing service if the requested name and type match, otherwise a - * newly created service. If the name is null, or it contains '@' or - * '/', or a service with the same name exists but has a different type, - * will return null instead. - */ - static private ServiceInterface createService(String name, String type, String inId) { - synchronized (processLock) { - log.info("Runtime.createService {}", name); - - if (name == null) { - runtime.error("service name cannot be null"); - - return null; - } - - if (name.contains("@") || name.contains("/")) { - runtime.error("service name cannot contain '@' or '/': {}", name); - - return null; - } - - String fullName; - if (inId == null || inId.equals("")) - fullName = getFullName(name); - else - fullName = String.format("%s@%s", name, inId); - - if (type == null) { - ServiceConfig sc; - try { - sc = CodecUtils.readServiceConfig(runtime.getConfigName() + fs + name + ".yml"); - } catch (IOException e) { - runtime.error("could not find type for service %s", name); - return null; - } - if (sc != null) { - log.info("found type for {} in plan", name); - type = sc.type; - } else { - runtime.error("createService type not specified and could not get type for {} from plan", name); - return null; - } - } - - if (type == null) { - runtime.error("cannot create service {} no type in plan or yml file", name); - return null; - } - - String fullTypeName = CodecUtils.makeFullTypeName(type); - - ServiceInterface si = Runtime.getService(fullName); - if (si != null) { - if (!si.getTypeKey().equals(fullTypeName)) { - runtime.error("Service with name {} already exists but is of type {} while requested type is ", - name, si.getTypeKey(), type); - return null; - } - return si; - } - - // DO NOT LOAD HERE !!! - doing so would violate the service life cycle ! - // only try to resolve type by the plan - if not then error out - - String id = (inId == null) ? Runtime.getInstance().getId() : inId; - if (name.length() == 0 || fullTypeName == null || fullTypeName.length() == 0) { - log.error("{} not a type or {} not defined ", fullTypeName, name); - return null; - } - - // TODO - test new create of existing service - ServiceInterface sw = Runtime.getService(String.format("%s@%s", name, id)); - if (sw != null) { - log.info("service {} already exists", name); - return sw; - } - - try { - - if (log.isDebugEnabled()) { - // TODO - determine if there have been new classes added from - // ivy --> Boot Classloader --> Ext ClassLoader --> System - // ClassLoader - // http://blog.jamesdbloom.com/JVMInternals.html - log.debug("ABOUT TO LOAD CLASS"); - log.debug("loader for this class " + Runtime.class.getClassLoader().getClass().getCanonicalName()); - log.debug("parent " + Runtime.class.getClassLoader().getParent().getClass().getCanonicalName()); - log.debug("system class loader " + ClassLoader.getSystemClassLoader()); - log.debug("parent should be null" - + ClassLoader.getSystemClassLoader().getParent().getClass().getCanonicalName()); - log.debug("thread context " - + Thread.currentThread().getContextClassLoader().getClass().getCanonicalName()); - log.debug("thread context parent " - + Thread.currentThread().getContextClassLoader().getParent().getClass().getCanonicalName()); - } - - // FIXME - error if deps are missing - prompt license - // require restart ! - // FIXME - this should happen after inspecting the "loaded" "plan" not - // during the create/start/apply ! - - // create an instance - Object newService = Instantiator.getThrowableNewInstance(null, fullTypeName, name, id); - log.debug("returning {}", fullTypeName); - si = (ServiceInterface) newService; - - // si.setId(id); - if (Runtime.getInstance().getId().equals(id)) { - si.setVirtual(Runtime.getInstance().isVirtual()); - Runtime.getInstance().creationCount++; - si.setOrder(Runtime.getInstance().creationCount); - } - - if (runtime != null) { - - runtime.invoke("created", getFullName(name)); - - // add all the service life cycle subscriptions - // runtime.addListener("registered", name); - // runtime.addListener("created", name); - // runtime.addListener("started", name); - // runtime.addListener("stopped", name); - // runtime.addListener("released", name); - } - - return (Service) newService; - } catch (Exception e) { - log.error("createService failed for {}@{} of type {}", name, id, fullTypeName, e); - } - return null; - } - } - - static public Map>> getNotifyEntries() { - return getNotifyEntries(null); - } - - static public Map>> getNotifyEntries(String service) { - Map>> ret = new TreeMap>>(); - Map sorted = null; - if (service == null) { - sorted = getLocalServices(); - } else { - sorted = new HashMap(); - ServiceInterface si = Runtime.getService(service); - if (si != null) { - sorted.put(service, si); - } - } - for (Map.Entry entry : sorted.entrySet()) { - log.info(entry.getKey() + "/" + entry.getValue()); - List flks = entry.getValue().getNotifyListKeySet(); - Map> subret = new TreeMap>(); - for (String sn : flks) { - List mrllistners = entry.getValue().getNotifyList(sn); - subret.put(sn, mrllistners); - } - ret.put(entry.getKey(), subret); - } - return ret; - } - - /** - * Dumps {@link #registry} to a file called {@code registry.json} in JSON form. - * - * @return The registry in JSON form or null if an error occurred. - */ - public static String dump() { - try { - FileOutputStream dump = new FileOutputStream("registry.json"); - String reg = CodecUtils.toJson(registry); - dump.write(reg.getBytes()); - dump.close(); - return reg; - } catch (Exception e) { - log.error("dump threw", e); - } - return null; - } - - /** - * Wraps {@link java.lang.Runtime#gc()}. - * - * Runs the garbage collector. - */ - public static final void gc() { - java.lang.Runtime.getRuntime().gc(); - } - - /** - * Although "fragile" since it relies on a external source - its useful to find - * the external ip address of NAT'd systems - * - * @return external or routers ip - * @throws Exception e - */ - public static String getExternalIp() throws Exception { - URL whatismyip = new URL("http://checkip.amazonaws.com"); - BufferedReader in = null; - try { - in = new BufferedReader(new InputStreamReader(whatismyip.openStream())); - String ip = in.readLine(); - return ip; - } finally { - if (in != null) { - try { - in.close(); - } catch (IOException e) { - e.printStackTrace(); - } - } - } - } - - /** - * Wraps {@link java.lang.Runtime#freeMemory()}. - * - * @return the amount of free memory in the Java Virtual Machine. Calling the gc - * method may result in increasing the value returned by freeMemory. - * - * - */ - public static final long getFreeMemory() { - return java.lang.Runtime.getRuntime().freeMemory(); - } - - /** - * Get a handle to the Runtime singleton. - * - * @return the Runtime - */ - public static Runtime getInstance() { - if (runtime == null) { - synchronized (INSTANCE_LOCK) { - try { - - RuntimeConfig c = null; - if (runtime == null) { - c = ConfigUtils.loadRuntimeConfig(options); - runtime = (Runtime) createService(RUNTIME_NAME, "Runtime", c.id); - runtime.startService(); - // klunky - Runtime.register(new Registration(runtime)); - } - - runtime.locales = Locale.getDefaults(); - - runtime.getRepo().addStatusPublisher(runtime); - runtime.startService(); - // extract resources "if a jar" - FileIO.extractResources(); - runtime.startInteractiveMode(); - if (c != null) { - runtime.apply(c); - } - - if (options.services != null && options.services.size() != 0) { - log.info("command line services were specified"); - createAndStartServices(options.services); - } - - if (options.config != null) { - log.info("command line -c config was specified"); - Runtime.startConfig(options.config); - } - - if (startYml.enable && startYml.config != null) { - log.info("start.yml is enabled and config is {}", startYml.config); - Runtime.startConfig(startYml.config); - } - - } catch (Exception e) { - log.error("runtime getInstance threw", e); - } - } // synchronized lock - } - - return runtime; - } - - /** - * The jvm args which started this process - * - * @return all jvm args in a list - */ - static public List getJvmArgs() { - RuntimeMXBean runtimeMxBean = ManagementFactory.getRuntimeMXBean(); - return runtimeMxBean.getInputArguments(); - } - - /** - * gets all non-loopback, active, non-virtual ip addresses - * - * @return list of local ipv4 IP addresses - */ - static public List getIpAddresses() { - log.debug("getLocalAddresses"); - ArrayList ret = new ArrayList(); - - try { - Enumeration interfaces = NetworkInterface.getNetworkInterfaces(); - while (interfaces.hasMoreElements()) { - NetworkInterface current = interfaces.nextElement(); - // log.info(current); - if (!current.isUp() || current.isLoopback() || current.isVirtual()) { - log.debug("skipping interface is down, a loopback or virtual"); - continue; - } - Enumeration addresses = current.getInetAddresses(); - while (addresses.hasMoreElements()) { - InetAddress currentAddress = addresses.nextElement(); - - if (!(currentAddress instanceof Inet4Address)) { - log.debug("not ipv4 skipping"); - continue; - } - - if (currentAddress.isLoopbackAddress()) { - log.debug("skipping loopback address"); - continue; - } - log.debug(currentAddress.getHostAddress()); - ret.add(currentAddress.getHostAddress()); - } - } - } catch (Exception e) { - Logging.logError(e); - } - - if (ret.size() == 0) { - // if we don't have a "real" ip address - we always have home - ret.add("127.0.0.1"); - } - return ret; - } - - // What's the purpose of this? It doesn't return anything - static public void getNetInfo() { - try { - List local = getIpAddresses(); - String gateway = getPublicGateway(); - getNetworkPeers(); - } catch (Exception e) { - log.error("getNetInfo threw", e); - } - - } - - // TODO - add network to search - static public Set getNetworkPeers() throws UnknownHostException { - networkPeers = new TreeSet<>(); - // String myip = InetAddress.getLocalHost().getHostAddress(); - List myips = getIpAddresses(); // TODO - if nothing else - - // 127.0.0.1 - for (String myip : myips) { - if (myip.equals("127.0.0.1")) { - log.info("This PC is not connected to any network!"); - } else { - String testIp = null; - for (int i = myip.length() - 1; i >= 0; --i) { - if (myip.charAt(i) == '.') { - testIp = myip.substring(0, i + 1); - break; - } - } - - log.info("My Device IP: " + myip + "\n"); - log.info("Search log:"); - - for (int i = 1; i <= 254; ++i) { - try { - - InetAddress addr = InetAddress.getByName(testIp + new Integer(i).toString()); - - if (addr.isReachable(1000)) { - log.info("Available: " + addr.getHostAddress()); - networkPeers.add(addr.getHostAddress()); - } else { - log.info("Not available: " + addr.getHostAddress()); - } - - // TODO - check default port 8888 8887 - - } catch (IOException ioex) { - } - } - - log.info("found {} devices", networkPeers.size()); - - for (String device : networkPeers) { - log.info(device); - } - } - } - return networkPeers; - } - - static public List getApis() { - return CodecUtils.getApis(); - } - - // @TargetApi(9) - static public List getLocalHardwareAddresses() { - log.info("getLocalHardwareAddresses"); - ArrayList ret = new ArrayList(); - try { - Enumeration interfaces = NetworkInterface.getNetworkInterfaces(); - while (interfaces.hasMoreElements()) { - NetworkInterface current = interfaces.nextElement(); - byte[] mac = current.getHardwareAddress(); - - if (mac == null || mac.length == 0) { - continue; - } - - String m = StringUtil.bytesToHex(mac); - log.info("mac address : {}", m); - ret.add(m); - log.info("added mac"); - } - } catch (Exception e) { - log.error("getLocalHardwareAddresses threw", e); - } - - log.info("done"); - return ret; - } - - /** - * Gets a Map between service names and the service object of all services local - * to this MRL instance. - * - * @return A Map between service names and service objects - */ - public static Map getLocalServices() { - Map local = new HashMap<>(); - for (String serviceName : registry.keySet()) { - // FIXME @ should be a requirement of "all" entries for consistency - if (!serviceName.contains("@") - || serviceName.endsWith(String.format("@%s", Runtime.getInstance().getId()))) { - local.put(serviceName, registry.get(serviceName)); - } - } - return local; - } - - /** - * FIXME - return - * - * @return filtering/query requests - */ - public static Map getLocalServicesForExport() { - return registry; - } - - /* - * FIXME - DEPRECATE - THIS IS NOT "instance" specific info - its Class - * definition info - Runtime should return based on ClassName - * - * FIXME - INPUT PARAMETER SHOULD BE TYPE NOT INSTANCE NAME !!!! - */ - public static Map getMethodMap(String inName) { - String serviceName = getFullName(inName); - if (!registry.containsKey(serviceName)) { - runtime.error(String.format("%1$s not in registry - can not return method map", serviceName)); - return null; - } - - ServiceInterface sw = registry.get(serviceName); - Class c = sw.getClass(); - - MethodCache cache = MethodCache.getInstance(); - return cache.getRemoteMethods(c.getTypeName()); - - } - - /** - * getServiceList returns the most important identifiers for a service which are - * it's process id, it's name, and it's type. - *

- * This will be part of the getHelloRequest - and the first listing from a - * process of what services are available. - *

- * TODO - future work would be to supply a query to the getServiceList(query) - * such that interfaces, types, or processes ids, can selectively be queried out - * of it - * - * @return list of registrations - */ - public List getServiceList() { - synchronized (processLock) { - return registry.values().stream().map(si -> new Registration(si.getId(), si.getName(), si.getTypeKey())) - .collect(Collectors.toList()); - } - } - - // FIXME - scary function - returns private data - public static Map getRegistry() { - return registry;// FIXME should return copy - } - - public static ServiceInterface getService(String inName) { - return getService(inName, new StaticType<>() { - }); - } - - public static > S getConfigurableService( - String inName, StaticType serviceType) { - return getService(inName, serviceType); - } - - /** - * Gets a running service with the specified name. If the name is null or - * there's no such service with the specified name, returns null instead. - * - * @param inName The name of the service - * @return The service if it exists, or null - */ - @SuppressWarnings("unchecked") - public static S getService(String inName, StaticType serviceType) { - if (inName == null) { - return null; - } - - String name = getFullName(inName); - - if (!registry.containsKey(name)) { - return null; - } else { - return (S) registry.get(name); - } - } - - /** - * @return all service names in an array form - * - * - */ - static public String[] getServiceNames() { - Set ret = registry.keySet(); - String[] services = new String[ret.size()]; - if (ret.size() == 0) { - return services; - } - - // if there are more than 0 services we need runtime - // to filter to make sure they are "local" - // and this requires a runtime service - String localId = Runtime.getInstance().getId(); - int cnt = 0; - for (String fullname : ret) { - if (fullname.endsWith(String.format("@%s", localId))) { - services[cnt] = CodecUtils.getShortName(fullname); - } else { - services[cnt] = fullname; - } - ++cnt; - } - return services; - } - - // Is it a good idea to modify all regex inputs? For example, if the pattern - // already contains ".?" then the replacement will result in "..?" - // If POSIX-style globs are desired there are different - // pattern matching engines designed for that - public static boolean match(String text, String pattern) { - return text.matches(pattern.replace("?", ".?").replace("*", ".*?")); - } - - public static List getServiceNames(String pattern) { - return getServices().stream().map(NameProvider::getName).filter(serviceName -> match(serviceName, pattern)) - .collect(Collectors.toList()); - } - - /** - * @param interfaze the interface - * @return a list of service names that implement the interface - * @throws ClassNotFoundException if the class for the requested interface is - * not found. - * - */ - public static List getServiceNamesFromInterface(String interfaze) throws ClassNotFoundException { - if (!interfaze.contains(".")) { - interfaze = "org.myrobotlab.service.interfaces." + interfaze; - } - - return getServiceNamesFromInterface(Class.forName(interfaze)); - } - - /** - * @param interfaze interface - * @return list of service names - * - */ - public static List getServiceNamesFromInterface(Class interfaze) { - return getServicesFromInterface(interfaze).stream().map(ServiceInterface::getFullName) - .collect(Collectors.toList()); - } - - /** - * Get all currently-running services - * - * @return A list of all currently-running services - */ - public static List getServices() { - return getServices(null); - } - - /** - * Get all services that belong to an MRL instance with the given ID. - * - * @param id The ID of the MRL instance - * @return A list of the services that belong to the given MRL instance - */ - public static List getServices(String id) { - if (id == null) { - return new ArrayList(registry.values()); - } - - List list = new ArrayList<>(); - // otherwise we are getting services of an instance - - for (String serviceName : registry.keySet()) { - ServiceInterface si = registry.get(serviceName); - if (si.getId().equals(id)) { - list.add(registry.get(serviceName)); - } - } - return list; - } - - /** - * @param interfaze interface - * @return results - * - */ - public ServiceTypeNameResults getServiceTypeNamesFromInterface(String interfaze) { - ServiceTypeNameResults results = new ServiceTypeNameResults(interfaze); - try { - - if (!interfaze.contains(".")) { - interfaze = "org.myrobotlab.service.interfaces." + interfaze; - } - - ServiceData sd = ServiceData.getLocalInstance(); - - List sts = sd.getServiceTypes(); - - for (MetaData st : sts) { - - Set> ancestry = new HashSet<>(); - Class targetClass = Class.forName(st.getType()); // this.getClass(); - - while (targetClass.getCanonicalName().startsWith("org.myrobotlab") - && !targetClass.getCanonicalName().startsWith("org.myrobotlab.framework")) { - ancestry.add(targetClass); - targetClass = targetClass.getSuperclass(); - } - - for (Class c : ancestry) { - Class[] interfaces = Class.forName(c.getName()).getInterfaces(); - for (Class inter : interfaces) { - if (interfaze.equals(inter.getName())) { - results.serviceTypes.add(st.getType()); - break; - } - } - } - } - - } catch (Exception e) { - error("could not find interfaces for %s - %s %s", interfaze, e.getClass().getSimpleName(), e.getMessage()); - log.error("getting class", e); - } - - return results; - } - - /** - * return a list of services which are currently running and implement a - * specific interface - * - * @param interfaze class - * @return list of service interfaces - * - */ - // FIXME !!! - use single implementation that gets parents - @Deprecated /* - * no longer used or needed - change events are pushed no longer pulled <-- Over - * complicated solution - */ - public static List getServicesFromInterface(Class interfaze) { - synchronized (processLock) { - List ret = new ArrayList(); - - for (String service : getServiceNames()) { - Class clazz = getService(service).getClass(); - while (clazz != null) { - for (Class inter : clazz.getInterfaces()) { - if (inter.getName().equals(interfaze.getName())) { - ret.add(getService(service)); - continue; - } - } - clazz = clazz.getSuperclass(); - } - } - return ret; - } - } - - /** - * Because startYml is required to be a static variable, since it's needed - * "before" a runtime instance exists it will be null in json serialization. - * This method is needed so we can serialize the data appropriately. - * - * @return - */ - static public StartYml getStartYml() { - return startYml; - } - - /** - * Gets the set of all threads currently running. - * - * @return A set containing thread objects representing all running threads - */ - static public Set getThreads() { - return Thread.getAllStackTraces().keySet(); - } - - /** - * Wraps {@link java.lang.Runtime#totalMemory()}. - * - * @return The amount of memory available to the JVM in bytes. - */ - public static final long getTotalMemory() { - - return java.lang.Runtime.getRuntime().totalMemory(); - } - - /** - * FIXME - terrible use a uuid - * - * unique id's are need for sendBlocking - to uniquely identify the message this - * is a method to support that - it is unique within a process, but not across - * processes - * - * @return a unique id - */ - public static final synchronized long getUniqueID() { - ++uniqueID; - return System.currentTimeMillis(); - } - - /** - * Get how long this MRL instance has been running in human-readable String - * form. - * - * @return The uptime of this instance. - */ - public static String getUptime() { - Date now = new Date(); - Platform platform = Platform.getLocalInstance(); - String uptime = getDiffTime(now.getTime() - platform.getStartTime().getTime()); - log.info("up for {}", uptime); - return uptime; - } - - public static String getPlatformInfo() { - Platform platform = Platform.getLocalInstance(); - StringBuilder sb = new StringBuilder(); - sb.append(platform.getHostname()); - sb.append(" "); - sb.append(platform.getOS()); - sb.append(" "); - sb.append(platform.getArch()); - sb.append("."); - sb.append(platform.getOsBitness()); - - sb.append(" Java "); - sb.append(platform.getVmVersion()); - sb.append(" "); - sb.append(platform.getVMName()); - - return sb.toString(); - } - - /** - * Get a human-readable String form of a difference in time in milliseconds. - * - * @param diff The difference of time in milliseconds - * @return The human-readable string form of the difference in time - */ - public static String getDiffTime(long diff) { - - long diffSeconds = diff / 1000 % 60; - long diffMinutes = diff / (60 * 1000) % 60; - long diffHours = diff / (60 * 60 * 1000) % 24; - long diffDays = diff / (24 * 60 * 60 * 1000); - - StringBuffer sb = new StringBuffer(); - sb.append(diffDays).append(" days ").append(diffHours).append(" hours ").append(diffMinutes).append(" minutes ") - .append(diffSeconds).append(" seconds"); - return sb.toString(); - - } - - /** - * Get version returns the current version of mrl. It must be done this way, - * because the version may be queried on the command line without the desire to - * start a "Runtime" - * - * @return the version of the running platform instance - * - */ - public static String getVersion() { - return Platform.getLocalInstance().getVersion(); - } - - /** - * Get the latest version number of MRL in String form by querying the public - * build server. If it cannot be contacted, this method returns the String - * {@code "unknown"}. - * - * @return The latest build version in String form - */ - public static String getLatestVersion() { - String latest = "https://build.myrobotlab.org:8443/job/myrobotlab/job/develop/lastSuccessfulBuild/buildNumber"; - byte[] b = Http.get(latest); - String version = (b == null) ? "unknown" : "1.1." + new String(b); - return version; - } - - // FIXME - shouldn't this be in platform ??? - - /** - * Get the branch that this installation was built from. - * - * @return The branch - * @see Platform#getBranch() - */ - public static String getBranch() { - return Platform.getLocalInstance().getBranch(); - } - - /** - * Install all services - * - * @throws ParseException Unknown - * @throws IOException Unknown - */ - // TODO: Check throws list to see if these are still thrown - static public void install() throws ParseException, IOException { - install(null, null); - } - - /** - * Install specified service. - * - * @param serviceType Service to install - */ - static public void install(String serviceType) { - install(serviceType, null); - } - - /** - * Maximum complexity install - allows for blocking and non-blocking install. - * During typically runtime install of services - non blocking is desired, - * otherwise status info from the install is blocked until installation is - * completed. For command line installation "blocking" mode would be desired - * - * FIXME - problematic in that Runtime.create calls this directly, and this - * should be stepped through, because: If we need to install new components, a - * restart is likely needed ... we don't do custom dynamic classloaders .... yet - * - * License - should be appropriately accepted or rejected by user - * - * @param serviceType the service tyype to install - * @param blocking if this should block until done. - * - */ - static public void install(String serviceType, Boolean blocking) { - synchronized (processLock) { - Runtime r = getInstance(); - - if (blocking == null) { - blocking = false; - } - - if (installerThread != null) { - log.error("another request to install dependencies, 1st request has not completed"); - return; - } - - installerThread = new Thread() { - @Override - public void run() { - try { - if (serviceType == null) { - r.getRepo().install(); - } else { - r.getRepo().install(serviceType); - } - } catch (Exception e) { - r.error("dependencies failed - install error", e); - throw new RuntimeException( - String.format("dependencies failed - install error %s", e.getMessage())); - } - } - }; - - if (blocking) { - installerThread.run(); - } else { - installerThread.start(); - } - - installerThread = null; - } - } - - /** - * Invoke a service method. The parameter must not be null and must have at - * least 2 elements. The first is the service name and the second is the service - * method. The rest of the elements are parameters to the specified method. - * - * @param invoke The array of service name, method, and parameters - */ - static public void invokeCommands(String[] invoke) { - - if (invoke.length < 2) { - log.error("invalid invoke request, minimally 2 parameters are required: --invoke service method ..."); - return; - } - - String name = invoke[0]; - String method = invoke[1]; - - // params - Object[] data = new Object[invoke.length - 2]; - for (int i = 2; i < invoke.length; ++i) { - data[i - 2] = invoke[i]; - } - - log.info("attempting to invoke : {}.{}({})\n", name, method, Arrays.toString(data)); - getInstance().send(name, method, data); - } - - /** - * Checks if a service is local to this MRL instance. The service must exist. - * - * @param serviceName The name of the service to check - * @return Whether the specified service is local or not - */ - public static boolean isLocal(String serviceName) { - ServiceInterface sw = getService(serviceName); - return Objects.equals(sw.getId(), Runtime.getInstance().getId()); - } - - /* - * check if class is a Runtime class - * - * @return true if class == Runtime.class - */ - public static boolean isRuntime(Service newService) { - return newService.getClass().equals(Runtime.class); - } - - /** - * Start interactive mode on {@link System#in} and {@link System#out}. - * - * @see #startInteractiveMode(InputStream, OutputStream) - */ - public void startInteractiveMode() { - startInteractiveMode(System.in, System.out); - } - - /** - * Starts an interactive CLI on the specified input and output streams. The CLI - * command processor runs in its own thread and takes commands according to the - * CLI API. - * - * FIXME - have another shell script which starts jar as ws client with cli - * interface Remove this std in/out - it is overly complex and different OSs - * handle it differently Windows Java updates have broken it several times - * - * @param in The input stream to take commands from - * @param out The output stream to print command output to - * @return The constructed CLI processor - */ - public InProcessCli startInteractiveMode(InputStream in, OutputStream out) { - if (cli != null) { - log.info("already in interactive mode"); - return cli; - } - - cli = new InProcessCli(this, "runtime", in, out); - Connection c = cli.getConnection(); - stdCliUuid = (String) c.get("uuid"); - - // addRoute(".*", getName(), 100); - addConnection(stdCliUuid, cli.getId(), c); - - return cli; - } - - /** - * Stops interactive mode if it's running. - */ - public void stopInteractiveMode() { - if (cli != null) { - cli.stop(); - cli = null; - } - if (stdCliUuid != null) { - removeConnection(stdCliUuid); - stdCliUuid = null; - } - } - - /** - * prints help to the console - */ - static void mainHelp() { - new CommandLine(new CmdOptions()).usage(System.out); - } - - /** - * Logs a string message and publishes the message. - * - * @param msg The message to log and publish - * @return msg - */ - public static String message(String msg) { - getInstance().invoke("publishMessage", msg); - log.info(msg); - return msg; - } - - /** - * Listener for state publishing, updates registry - * - * @param updatedService Updated service to put in the registry - */ - public void onState(ServiceInterface updatedService) { - log.info("runtime updating registry info for remote service {}", updatedService.getName()); - registry.put(String.format("%s@%s", updatedService.getName(), updatedService.getId()), updatedService); - } - - public static Registration register(String id, String name, String typeKey, ArrayList interfaces) { - synchronized (processLock) { - Registration proxy = new Registration(id, name, typeKey, interfaces); - register(proxy); - return proxy; - } - } - - /** - * Registration is the process where a remote system sends detailed info related - * to its services. It will have details on each service type, state, id, and - * other info. The registration is serializable, with state information in a - * serialized for so that stateless processes or other non-Java instances can - * register or be registered. - * - * Registration might setup subscriptions to support a UI. - * - * Additional info which will be added in the future is a method map (a swagger - * concept) and a list of supported interfaces - * - * TODO - have rules on what registrations to accept - dependent on security, - * desire, re-broadcasting configuration etc. TODO - determine rules on - * re-broadcasting based on configuration - * - * @param registration registration - * @return registration - * - */ - public static Registration register(Registration registration) { - synchronized (processLock) { - try { - - // TODO - have rules on what registrations to accept - dependent on - // security, desire, re-broadcasting configuration etc. - - String fullname = String.format("%s@%s", registration.getName(), registration.getId()); - if (registry.containsKey(fullname)) { - log.info("{} already registered", fullname); - return registration; - } - - // if (!ForeignProcessUtils.isValidTypeKey(registration.getTypeKey())) { - // log.error("Invalid type key being registered: " + - // registration.getTypeKey()); - // return null; - // } - - log.info("{}@{} registering at {} of type {}", registration.getName(), registration.getId(), - ConfigUtils.getId(), registration.getTypeKey()); - - if (!registration.isLocal(ConfigUtils.getId())) { - - // Check if we're registering a java service - if (ForeignProcessUtils.isValidJavaClassName(registration.getTypeKey())) { - - String fullTypeName; - if (registration.getTypeKey().contains(".")) { - fullTypeName = registration.getTypeKey(); - } else { - fullTypeName = String.format("org.myrobotlab.service.%s", registration.getTypeKey()); - } - - try { - // de-serialize, class exists - registration.service = Runtime.createService(registration.getName(), fullTypeName, - registration.getId()); - if (registration.getState() != null) { - copyShallowFrom(registration.service, - CodecUtils.fromJson(registration.getState(), Class.forName(fullTypeName))); - } - } catch (ClassNotFoundException classNotFoundException) { - log.error(String.format("Unknown service class for %s@%s: %s", registration.getName(), - registration.getId(), registration.getTypeKey()), classNotFoundException); - return null; - } - } else { - // We're registering a foreign process service. We don't need to - // check - // ForeignProcessUtils.isForeignTypeKey() because the type key is - // valid - // but is not a java class name - - // Class does not exist, check if registration has empty interfaces - // Interfaces should always include ServiceInterface if coming from - // remote client - if (registration.interfaces == null || registration.interfaces.isEmpty()) { - log.error("Unknown service type being registered, registration does not contain any " - + "interfaces for proxy generation: " + registration.getTypeKey()); - return null; - } - - // FIXME - probably some more clear definition about the - // requirements - // of remote - // service registration - // In general, there should be very few requirements if any, besides - // providing a - // name, and the proxy - // interface should be responsible for creating a minimal - // interpretation - // (ServiceInterface) for the remote - // service - - // Class[] interfaces = registration.interfaces.stream().map(i -> - // { - // try { - // return Class.forName(i); - // } catch (ClassNotFoundException e) { - // throw new RuntimeException("Unable to load interface " + i + " - // defined in remote registration " + registration, e); - // } - // }).toArray(Class[]::new); - - // registration.service = (ServiceInterface) - // Proxy.newProxyInstance(Runtime.class.getClassLoader(), - // interfaces, - // new ProxyServiceInvocationHandler(registration.getName(), - // registration.getId())); - try { - registration.service = ProxyFactory.createProxyService(registration); - log.info("Created proxy: " + registration.service); - } catch (Exception e) { - // at the moment preventing throw - Runtime.getInstance().error(e); - } - } - } - - registry.put(fullname, registration.service); - - if (runtime != null) { - - String type = registration.getTypeKey(); - - // If type does not exist in typeToNames, make it an empty hash set - // and - // return it - Set names = runtime.typeToNames.computeIfAbsent(type, k -> new HashSet<>()); - names.add(fullname); - - // FIXME - most of this could be static as it represents meta data of - // class and interfaces - - // FIXME - was false - setting now to true .. because - // 1 edge case - "can something fulfill my need of an interface - is - // not - // currently - // switching to true - boolean updatedServiceLists = false; - - // maintaining interface type relations - // see if this service type is new - // PROCESS INDEXES ! - FIXME - will need this in unregister - // ALL CLASS/TYPE PROCESSING only needs to happen once per type - if (!runtime.serviceTypes.contains(type)) { - // CHECK IF "CAN FULFILL" - // add the interfaces of the new service type - Set interfaces = ClassUtil.getInterfaces(registration.service.getClass(), - FILTERED_INTERFACES); - for (String interfaze : interfaces) { - Set types = runtime.interfaceToType.get(interfaze); - if (types == null) { - types = new HashSet<>(); - } - types.add(registration.getTypeKey()); - runtime.interfaceToType.put(interfaze, types); - } - - runtime.typeToInterface.put(type, interfaces); - runtime.serviceTypes.add(registration.getTypeKey()); - updatedServiceLists = true; - } - - // check to see if any of our interfaces can fulfill requested ones - Set myInterfaces = runtime.typeToInterface.get(type); - for (String inter : myInterfaces) { - if (runtime.interfaceToNames.containsKey(inter)) { - runtime.interfaceToNames.get(inter).add(fullname); - updatedServiceLists = true; - } - } - - if (updatedServiceLists) { - runtime.invoke("publishInterfaceToNames"); - } - - // TODO - determine rules on re-broadcasting based on configuration - runtime.invoke("registered", registration); - } - - // TODO - remove ? already get state from registration - if (!registration.isLocal(ConfigUtils.getId())) { - runtime.subscribe(registration.getFullName(), "publishState"); - } - - } catch (Exception e) { - log.error("registration threw for {}@{}", registration.getName(), registration.getId(), e); - return null; - } - - return registration; - } - } - - /** - * releases a service - stops the service, its threads, releases its resources, - * and removes registry entries - * - * FIXME - clean up subscriptions from released - * - * @param inName name to release - * @return true/false - * - */ - public static boolean releaseService(String inName) { - ServiceInterface sc = getService(inName); - if (sc != null) { - sc.releaseService(); - return true; - } - return false; - } - - /** - * Called after any subclassed releaseService has been called, this cleans up - * the registry and removes peers - * - * @param inName - * @return - */ - public static boolean releaseServiceInternal(String inName) { - synchronized (processLock) { - if (inName == null) { - log.debug("release (null)"); - return false; - } - - String name = getFullName(inName); - - String id = CodecUtils.getId(name); - if (!id.equals(Runtime.getInstance().getId())) { - log.warn("will only release local services - %s is remote", name); - return false; - } - - log.info("releasing service {}", name); - - if (!registry.containsKey(name)) { - log.info("{} not registered", name); - return false; - } - - // get reference from registry - ServiceInterface si = registry.get(name); - if (si == null) { - log.warn("cannot release {} - not in registry"); - return false; - } - - // FIXME - TODO invoke and or blocking on preRelease - Future - - // send msg to service to self terminate - if (si.isLocal()) { - si.purgeTasks(); - si.stopService(); - } else { - if (runtime != null) { - runtime.send(name, "releaseService"); - } - } - - // recursive peer release - Map peers = si.getPeers(); - if (peers != null) { - for (Peer peer : peers.values()) { - release(peer.name); - } - } - - // FOR remote this isn't correct - it should wait for - // a message from the other runtime to say that its released - unregister(name); - return true; - } - } - - /** - * Removes registration for a service. Removes the service from - * {@link #typeToInterface} and {@link #interfaceToNames}. - * - * @param inName Name of the service to unregister - */ - public static void unregister(String inName) { - synchronized (processLock) { - String name = getFullName(inName); - log.info("unregister {}", name); - - // get reference from registry - ServiceInterface sw = registry.get(name); - if (sw == null) { - log.debug("{} already unregistered", name); - return; - } - - // you have to send released before removing from registry - if (runtime != null) { - runtime.invoke("released", inName); // <- DO NOT CHANGE THIS IS CORRECT - // !! - // it should be FULLNAME ! - // runtime.broadcast("released", inName); - String type = sw.getTypeKey(); - - boolean updatedServiceLists = false; - - // check to see if any of our interfaces can fullfill requested ones - Set myInterfaces = runtime.typeToInterface.get(type); - if (myInterfaces != null) { - for (String inter : myInterfaces) { - if (runtime.interfaceToNames.containsKey(inter)) { - runtime.interfaceToNames.get(inter).remove(name); - updatedServiceLists = true; - } - } - } - - if (updatedServiceLists) { - runtime.invoke("publishInterfaceToNames"); - } - - } - - // FIXME - release autostarted peers ? - - // last step - remove from registry by making new registry - // thread safe way - Map removedService = new TreeMap<>(); - for (String key : registry.keySet()) { - if (!name.equals(key)) { - removedService.put(key, registry.get(key)); - } - } - registry = removedService; - - // and config - RuntimeConfig c = (RuntimeConfig) Runtime.getInstance().config; - if (c != null) { - c.remove(CodecUtils.getShortName(name)); - } - - log.info("released {}", name); - } - } - - /** - * Get all remote services. - * - * @return List of remote services as proxies - */ - public List getRemoteServices() { - return getRemoteServices(null); - } - - /** - * Get remote services associated with the MRL instance that has the given ID. - * - * @param id The id of the target MRL instance - * @return A list of services running on the target instance - */ - public List getRemoteServices(String id) { - List list = new ArrayList<>(); - for (String serviceName : registry.keySet()) { - if (serviceName.contains("@")) { - String sid = serviceName.substring(serviceName.indexOf("@") + 1); - if (id == null || sid.equals(id)) { - list.add(registry.get(serviceName)); - } - } - } - return list; - } - - /** - * Releases all local services including Runtime asynchronously. - * - * @see #releaseAll(boolean, boolean) - */ - public static void releaseAll() { - releaseAll(true, false); - } - - /** - * This does not EXIT(1) !!! releasing just releases all services - * - * FIXME FIXME FIXME - just call release on each - possibly saving runtime for - * last .. send prepareForRelease before releasing - * - * release all local services - * - * FIXME - there "should" be an order to releasing the correct way would be to - * save the Runtime for last and broadcast all the services being released - * - * FIXME - send SHUTDOWN event to all running services with a timeout period - - * end with System.exit() FIXME normalize with releaseAllLocal and - * releaseAllExcept - * - * local only? YES !!! LOCAL ONLY !! - * - * @param releaseRuntime Whether the Runtime should also be released - */ - public static void releaseAll(boolean releaseRuntime, boolean block) { - // a command thread is issuing this command is most likely - // tied to one of the services being removed - // therefore this needs to happen asynchronously otherwise - // the thread that issued the command will try to destroy/release itself - // which almost always causes a deadlock - log.debug("releaseAll"); - - if (block) { - processRelease(releaseRuntime); - ConfigUtils.reset(); - } else { - - new Thread() { - @Override - public void run() { - processRelease(releaseRuntime); - ConfigUtils.reset(); - } - }.start(); - - } - } - - /** - * Releases all threads and can be executed in a separate thread. - * - * @param releaseRuntime Whether the Runtime should also be released - */ - static private void processRelease(boolean releaseRuntime) { - synchronized (processLock) { - // reverse release to order of creation - Collection local = getLocalServices().values(); - List ordered = new ArrayList<>(local); - ordered.removeIf(Objects::isNull); - Collections.sort(ordered); - Collections.reverse(ordered); - - for (ServiceInterface sw : ordered) { - - // no longer needed now - runtime "should be" guaranteed to be last - if (sw == Runtime.getInstance()) { - // skipping runtime - continue; - } - - log.info("releasing service {}", sw.getName()); - - try { - sw.releaseService(); - } catch (Exception e) { - if (runtime != null) { - runtime.error("%s threw while releasing", e); - } - log.error("release", e); - } - } - - // clean up remote ... the contract should - // probably be just remove their references - do not - // ask for them to be released remotely .. - // in thread safe way - - if (releaseRuntime) { - if (runtime != null) { - runtime.releaseService(); - } - synchronized (INSTANCE_LOCK) { - runtime = null; - } - } else { - // put runtime in new registry - Runtime.getInstance(); - registry = new TreeMap<>(); - registry.put(runtime.getFullName(), registry.get(runtime.getFullName())); - } - } - } - - /** - * Shuts down this instance after the given number of seconds. - * - * @param seconds sets task to shutdown in (n) seconds - */ - // Why is this using the wrapper type? Null can be passed in and cause NPE - public static void shutdown(Integer seconds) { - log.info("shutting down in {} seconds", seconds); - if (seconds > 0) { - runtime.addTaskOneShot(seconds * 1000, "shutdown", (Object[]) null); - runtime.invoke("publishShutdown", seconds); - } else { - shutdown(); - } - } - - /** - * shutdown terminates the currently running Java virtual machine by initiating - * its shutdown sequence. This method never returns normally. The argument - * serves as a status code; by convention, a nonzero status code indicates - * abnormal termination - * - */ - public static void shutdown() { - try { - log.info("myrobotlab shutting down"); - - if (runtime != null) { - log.info("stopping interactive mode"); - runtime.stopInteractiveMode(); - } - - log.info("pre shutdown on all services"); - for (ServiceInterface service : getServices()) { - service.preShutdown(); - } - - log.info("releasing all"); - - // release - releaseAll(); - } catch (Exception e) { - log.error("something threw - continuing to shutdown", e); - } - - // calling System.exit(0) before some specialized threads - // are completed will actually end up in a deadlock - Service.sleep(1000); - System.exit(0); - } - - public Integer publishShutdown(Integer seconds) { - return seconds; - } - - /** - * publish the folders of the parent directory of configPath if the configPath - * is null then publish directory names of data/config - * - * @return list of configs - */ - public List publishConfigList() { - configList = new ArrayList<>(); - - File configDirFile = new File(ROOT_CONFIG_DIR); - if (!configDirFile.exists() || !configDirFile.isDirectory()) { - error("%s config root does not exist", configDirFile.getAbsolutePath()); - return configList; - } - - File[] files = configDirFile.listFiles(); - if (files == null) { - // We checked for if directory earlier, so can only be null for IO error - error("IO error occurred while listing config directory files"); - return configList; - } - for (File file : files) { - String n = file.getName(); - - if (!file.isDirectory() || file.isHidden()) { - log.info("ignoring {} expecting directory not file", n); - continue; - } - - configList.add(file.getName()); - } - Collections.sort(configList); - return configList; - } - - /** - * Releases all local services except the services whose names are in the given - * set - * - * @param saveMe The set of services that should not be released - */ - public static void releaseAllServicesExcept(HashSet saveMe) { - log.info("releaseAllServicesExcept"); - List list = Runtime.getServices(); - for (ServiceInterface si : list) { - if (saveMe != null && saveMe.contains(si.getName())) { - log.info("leaving {}", si.getName()); - } else { - si.releaseService(); - } - } - } - - /** - * Release a specific service. Releasing shuts down the service and removes it - * from registries. - * - * @param fullName full name The service to be released - * - */ - static public void release(String fullName) { - releaseService(fullName); - } - - /** - * Disconnect from remote process. FIXME - not implemented - * - * @throws IOException Unknown - */ - // FIXME - implement ! also implement the callback events .. onDisconnect - public void disconnect() throws IOException { - // connect("admin", "ws://localhost:8887/api/messages"); - log.info("disconnect"); - } - - /** - * FIXME - can this be renamed back to attach ? jump to another process using - * the cli - * - * @param id instance id. - * @return string - * - */ - // FIXME - remove - the way to 'jump' is just to change - // context to the correct mrl id e.g. cd /runtime@remote07 - public String jump(String id) { - Connection c = getRoute(stdCliUuid); - if (c != null && c.get("cli") != null) { - ((InProcessCli) c.get("cli")).setRemote(id); - } else { - log.error("connection or cli is null for uuid {}", stdCliUuid); - } - - return id; - } - - /** - * Reconnects {@link #cli} to this process. - * - * @return The id of this instance - */ - // FIXME - remove ?!?!!? - public String exit() { - Connection c = getConnection(stdCliUuid); - if (c != null && c.get("cli") != null) { - ((InProcessCli) c.get("cli")).setRemote(getId()); - } - return getId(); - } - - /** - * Send a command to the {@link InProcessCli}. - * - * @param srcFullName Unknown - * @param cmd The command to execute - */ - public void sendToCli(String srcFullName, String cmd) { - Connection c = getConnection(stdCliUuid); - if (c == null || c.get("cli") == null) { - log.info("starting interactive mode"); - startInteractiveMode(); - sleep(1000); - } - c = getConnection(stdCliUuid); - if (c != null && c.get("cli") != null) { - ((InProcessCli) c.get("cli")).process(srcFullName, cmd); - } else { - log.error("could not start interactive mode"); - } - } - - /** - * Connect to the MRL instance at the given URL, auto-reconnecting if specified - * and the connection drops. - * - * FIXME implement autoReconnect - * - * @param url The URL to connect to - * @param autoReconnect Whether the connection should be re-established if it is - * dropped - */ - // FIXME - implement - public void connect(String url, boolean autoReconnect) { - if (!autoReconnect) { - connect(url); - } else { - addTask(1000, "checkConnections"); - } - } - - // FIXME - implement - public void checkConnections() { - for (Connection connection : connections.values()) { - if (connection.containsKey("url")) { - /* - * FIXME - check on "STATE" ... means we support disconnected connections .. if - * (connection.get("url").toString().equals(url)) { // already connected - * continue; } - */ - } - } - // could not find our connection for this "id" - need to reconnect - // connect(url); - } - - // FIXME - - // step 1 - first bind the uuids (1 local and 1 remote) - // step 2 - Clients will contain attribute - // FIXME - RETRIES TIMEOUTS OTHER COMPLEXITIES - // blocking connect - consider a non-blocking thread connect ... e.g. - // autoConnect - - /** - * Connect to the MRL instance at the given URL - * - * @param url Where the MRL instance being connected to is located - */ - @Override - public void connect(String url) { - try { - - // TODO - do auth, ssl and unit tests for them - // TODO - get session id - // request default describe - on describe do registrations .. zzz - - // standardize request - TODO check for ws wss not http https - if (!url.contains("api/messages")) { - url += "/api/messages"; - } - - if (!url.contains("id=")) { - url += "?id=" + getId(); - } - - WsClient client2 = new WsClient(); - client2.connect(this, url); - - // URI uri = new URI(url); - // adding "id" as full url :P ... because we don't know it !!! - Connection connection = new Connection(client2.getId(), getId(), getFullName()); - - // connection specific - connection.put("c-type", "Runtime"); - // attributes.put("c-endpoint", endpoint); - connection.put("c-client", client2); - - // cli specific - connection.put("cwd", "/"); - connection.put("url", url); - connection.put("uri", url); // not really correct - connection.put("user", "root"); - connection.put("host", "local"); - - // addendum - connection.put("User-Agent", "runtime-client"); - - addConnection(client2.getId(), url, connection); - - // direct send - may not have and "id" so it will be too runtime vs - // runtime@{id} - // subscribe to "describe" - MRLListener listener = new MRLListener("describe", getFullName(), "onDescribe"); - Message msg = Message.createMessage(getFullName(), "runtime", "addListener", listener); - client2.send(CodecUtils.toJsonMsg(msg)); - - // send describe - client2.send(CodecUtils.toJsonMsg(getDescribeMsg(null))); - - } catch (Exception e) { - log.error("connect to {} giving up {}", url, e.getMessage()); - } - } - - /** - * FIXME - this is a gateway callback - probably should be in the gateway - * interface - this is a "specific" gateway that supports typeless json or - * websockets - *

- * FIXME - decoding should be done at the Connection ! - this should be - * onRemoteMessage(msg) ! - *

- * callback - from clientRemote - all client connections will recieve here TODO - * - get clients directional api - an api per direction incoming and outgoing - * - * @param uuid - connection for incoming data - * @param data Incoming message in JSON String form - */ - @Override // uuid - public void onRemoteMessage(String uuid, String data) { - try { - - // log.debug("connection {} responded with {}", uuid, data); - // get api - decode msg - process it - Connection connection = getConnection(uuid); - if (connection == null) { - error("no connection with uuid %s", uuid); - return; - } - - if (log.isDebugEnabled()) { - log.debug("data - [{}]", data); - } - - // decoding message envelope - Message msg = CodecUtils.fromJson(data, Message.class); - log.info("==> {} --> {}.{}", msg.sender, msg.name, msg.method); - msg.setProperty("uuid", uuid); // Properties ???? REMOVE ??? - - if (msg.containsHop(getId())) { - log.error("{} dumping duplicate hop msg to avoid cyclical from {} --to--> {}.{} | {}", getName(), - msg.sender, msg.name, msg.method, msg.getHops()); - return; - } - - addRoute(msg.getSrcId(), uuid, 10); - - // add our id - we don't want to see it again - msg.addHop(getId()); - - Object ret = null; - - // FIXME - see if same code block exists in WebGui .. normalize - if (isLocal(msg)) { - - // log.info("--> {}.{} from {}", msg.name, msg.method, msg.sender); - - String serviceName = msg.getName(); - // to decode fully we need class name, method name, and an array of json - // encoded parameters - MethodCache cache = MethodCache.getInstance(); - Class clazz = Runtime.getClass(serviceName); - if (clazz == null) { - log.error("local msg but no Class for requested service {}", serviceName); - return; - } - Object[] params = cache.getDecodedJsonParameters(clazz, msg.method, msg.data); - - Method method = cache.getMethod(clazz, msg.method, params); - ServiceInterface si = Runtime.getService(serviceName); - if (method == null) { - log.error("cannot find {}", cache.makeKey(clazz, msg.method, cache.getParamTypes(params))); - return; - } - if (si == null) { - log.error("si null for serviceName {}", serviceName); - return; - } - - ret = method.invoke(si, params); - - // propagate return data to subscribers - si.out(msg.method, ret); - - } else { - log.info("GATEWAY {} RELAY {} --to--> {}.{}", getName(), msg.sender, msg.name, msg.method); - send(msg); - } - - } catch (Exception e) { - log.error("processing msg threw", e); - } - } - - /** - * Add a route to the route table - * - * @param remoteId Id of the remote instance - * @param uuid Unknown - * @param metric Unknown - * @see RouteTable#addRoute(String, String, int) - */ - public void addRoute(String remoteId, String uuid, int metric) { - routeTable.addRoute(remoteId, uuid, metric); - } - - /** - * Start Runtime with the specified config - * - * @param configName The name of the config file - */ - static public void startConfig(String configName) { - setConfig(configName); - Runtime runtime = Runtime.getInstance(); - runtime.processingConfig = true; // multiple inbox threads not available - runtime.invoke("publishConfigStarted", configName); - RuntimeConfig rtConfig = runtime.readServiceConfig(runtime.getConfigName(), "runtime", new StaticType<>() { - }); - if (rtConfig == null) { - runtime.error("cannot find %s%s%s", runtime.getConfigName(), fs, "runtime.yml"); - return; - } - - runtime.apply(rtConfig); - - Plan plan = new Plan("runtime"); - // for every service listed in runtime registry - load it - // FIXME - regex match on filesystem matches on *.yml - for (String service : rtConfig.getRegistry()) { - - if ("runtime".equals(service) || Runtime.isStarted(service)) { - continue; - } - - // has to be loaded - File file = new File(Runtime.ROOT_CONFIG_DIR + fs + runtime.getConfigName() + fs + service + ".yml"); - if (!file.exists()) { - runtime.error("cannot read file %s - skipping", file.getPath()); - continue; - } - - ServiceConfig sc = runtime.readServiceConfig(runtime.getConfigName(), service); - try { - if (sc == null) { - continue; - } - runtime.loadService(plan, service, sc.type, true, 0); - } catch (Exception e) { - runtime.error(e); - } - } - - // for all newly created services start them - Map created = Runtime.createServicesFromPlan(plan, null, null); - for (ServiceInterface si : created.values()) { - si.startService(); - } - - runtime.processingConfig = false; // multiple inbox threads not available - runtime.invoke("publishConfigFinished", configName); - - } - - public String publishConfigStarted(String configName) { - log.info("publishConfigStarted {}", configName); - // Make Note: done inline, because the thread actually doing the config - // processing - // would need to be finished with it before this thread could be invoked - // if multiple inbox threads were available then this would be possible - // processingConfig = true; - return configName; - } - - public String publishConfigFinished(String configName) { - log.info("publishConfigFinished {}", configName); - // Make Note: done inline, because the thread actually doing the config - // processing - // would need to be finished with it before this thread could be invoked - // if multiple inbox threads were available then this would be possible - // processingConfig = false; - return configName; - } - - /** - * Start a service of the specified type as the specified name. - * - * @param name The name of the new service - * @param type The type of the new service - * @return The started service - */ - static public ServiceInterface start(String name, String type) { - synchronized (processLock) { - try { - - ServiceInterface requestedService = Runtime.getService(name); - if (requestedService != null) { - log.info("requested service already exists"); - if (requestedService.isRunning()) { - log.info("requested service already running"); - } else { - requestedService.startService(); - } - return requestedService; - } - - Plan plan = Runtime.load(name, type); - - Map services = createServicesFromPlan(plan, null, name); - - if (services == null) { - Runtime.getInstance().error("cannot create instance of %s with type %s given current configuration", - name, type); - return null; - } - - requestedService = Runtime.getService(name); - - // FIXME - does some order need to be maintained e.g. all children - // before - // parent - // breadth first, depth first, external order ordinal ? - for (ServiceInterface service : services.values()) { - if (service.getName().equals(name)) { - continue; - } - if (!Runtime.isStarted(service.getName())) { - service.startService(); - } - } - - if (requestedService == null) { - Runtime.getInstance().error("could not start %s of type %s", name, type); - return null; - } - - // getConfig() was problematic here for JMonkeyEngine - ServiceConfig sc = requestedService.getConfig(); - // Map peers = sc.getPeers(); - // if (peers != null) { - // for (String p : peers.keySet()) { - // Peer peer = peers.get(p); - // log.info("peer {}", peer); - // } - // } - // recursive - start peers of peers of peers ... - Map subPeers = sc.getPeers(); - if (sc != null && subPeers != null) { - for (String subPeerKey : subPeers.keySet()) { - // IF AUTOSTART !!! - Peer subPeer = subPeers.get(subPeerKey); - if (subPeer.autoStart) { - Runtime.start(sc.getPeerName(subPeerKey), subPeer.type); - } - } - } - - requestedService.startService(); - return requestedService; - } catch (Exception e) { - runtime.error(e); - } - return null; - } - } - - /** - * single parameter name info supplied - potentially all information regarding - * this service could be found in on the filesystem or in the plan - * - * @param name - * @return - */ - static public ServiceInterface start(String name) { - synchronized (processLock) { - if (Runtime.getService(name) != null) { - // already exists - ServiceInterface si = Runtime.getService(name); - if (!si.isRunning()) { - si.startService(); - } - return si; - } - Plan plan = Runtime.load(name, null); - Map services = createServicesFromPlan(plan, null, name); - // FIXME - order ? - for (ServiceInterface service : services.values()) { - service.startService(); - } - return Runtime.getService(name); - } - } - - public static Plan load(String name, String type) { - synchronized (processLock) { - try { - Runtime runtime = Runtime.getInstance(); - return runtime.loadService(new Plan("runtime"), name, type, true, 0); - } catch (IOException e) { - runtime.error(e); - } - return null; - } - } - - /** - * Construct a new Runtime with the given name and ID. The name should always be - * "runtime" as parts of interprocess communication assume it to be so. - * - * TODO Check if there's a way to remove the assumptions about Runtime's name - * - * @param n Name of the runtime. Should always be {@code "runtime"} - * @param id The ID of the instance this runtime belongs to. - */ - public Runtime(String n, String id) { - super(n, id); - - // because you need to start with something ... - config = new RuntimeConfig(); - - repo = (IvyWrapper) Repo.getInstance(LIBRARIES, "IvyWrapper"); - - /** - * This is used to run through all the possible services and determine if they - * have any missing dependencies. If they do not they become "installed". The - * installed flag makes the gui do a crossout when a service type is selected. - */ - for (MetaData metaData : serviceData.getServiceTypes()) { - Set deps = repo.getUnfulfilledDependencies(metaData.getType()); - if (deps.size() == 0) { - metaData.installed = true; - } else { - log.info("{} not installed", metaData.getSimpleName()); - } - } - - setLocale(Locale.getDefault().getTag()); - locales = Locale.getDefaults(); - - if (runtime.platform == null) { - runtime.platform = Platform.getLocalInstance(); - } - - // setting the id and the platform - platform = Platform.getLocalInstance(); - - String libararyPath = System.getProperty("java.library.path"); - String userDir = System.getProperty("user.dir"); - String userHome = System.getProperty("user.home"); - - // initialize the config list - publishConfigList(); - - // TODO this should be a single log statement - // http://developer.android.com/reference/java/lang/System.html - - String format = "yyyy/MM/dd HH:mm:ss"; - SimpleDateFormat sdf = new SimpleDateFormat(format); - SimpleDateFormat gmtf = new SimpleDateFormat(format); - gmtf.setTimeZone(TimeZone.getTimeZone("UTC")); - log.info("============== args begin =============="); - StringBuffer sb = new StringBuffer(); - - jvmArgs = getJvmArgs(); - if (globalArgs != null) { - for (int i = 0; i < globalArgs.length; ++i) { - sb.append(globalArgs[i]); - } - } - if (jvmArgs != null) { - log.info("jvmArgs {}", Arrays.toString(jvmArgs.toArray())); - } - log.info("file.encoding {}", System.getProperty("file.encoding")); - log.info("args {}", Arrays.toString(globalArgs)); - - log.info("============== args end =============="); - - log.info("============== env begin =============="); - - Map env = System.getenv(); - if (env.containsKey("PATH")) { - log.info("PATH={}", env.get("PATH")); - } else { - log.info("PATH not defined"); - } - if (env.containsKey("JAVA_HOME")) { - log.info("JAVA_HOME={}", env.get("JAVA_HOME")); - } else { - log.info("JAVA_HOME not defined"); - } - - // also look at bitness detection in framework.Platform - String procArch = env.get("PROCESSOR_ARCHITECTURE"); - String procArchWow64 = env.get("PROCESSOR_ARCHITEW6432"); - if (procArch != null) { - log.info("PROCESSOR_ARCHITECTURE={}", procArch); - } else { - log.info("PROCESSOR_ARCHITECTURE not defined"); - } - if (procArchWow64 != null) { - log.info("PROCESSOR_ARCHITEW6432={}", procArchWow64); - } else { - log.info("PROCESSOR_ARCHITEW6432 not defined"); - } - log.info("============== env end =============="); - - log.info("============== platform =============="); - long startTime = platform.getStartTime().getTime(); - log.info("{} - GMT - {}", sdf.format(startTime), gmtf.format(startTime)); - log.info("pid {}", platform.getPid()); - log.info("hostname {}", platform.getHostname()); - log.info("ivy [runtime,{}.{}.{}]", platform.getArch(), platform.getJvmBitness(), platform.getOS()); - log.info("version {} branch {} commit {} build {}", platform.getVersion(), platform.getBranch(), - platform.getCommit(), platform.getBuild()); - System.out.println(String.format("version %s branch %s commit %s build %s", platform.getVersion(), - platform.getBranch(), platform.getCommit(), platform.getBuild())); - log.info("platform manifest {}", Platform.getManifest()); - log.info("platform [{}}]", platform); - log.info("version [{}]", platform.getVersion()); - log.info("root [{}]", FileIO.getRoot()); - log.info("cfg dir [{}]", FileIO.getCfgDir()); - log.info("sun.arch.data.model [{}]", System.getProperty("sun.arch.data.model")); - - log.info("============== non-normalized =============="); - log.info("os.name [{}] getOS [{}]", System.getProperty("os.name"), platform.getOS()); - log.info("os.arch [{}] getArch [{}]", System.getProperty("os.arch"), platform.getArch()); - log.info("os.version [{}]", System.getProperty("os.version")); - - log.info("java.vm.name [{}]", System.getProperty("java.vm.name")); - log.info("java.vm.vendor [{}]", System.getProperty("java.vm.vendor")); - log.info("java.specification.version [{}]", System.getProperty("java.specification.version")); - - String vmVersion = System.getProperty("java.specification.version"); - vmVersion = "11"; - if ("1.8".equals(vmVersion)) { - error("Unsupported Java %s - please remove version and install Java 1.8", vmVersion); - } - - // test ( force encoding ) - // System.setProperty("file.encoding","UTF-8" ); - log.info("file.encoding [{}]", System.getProperty("file.encoding")); - log.info("Charset.defaultCharset() [{}]", Charset.defaultCharset()); - log.info("user.language [{}]", System.getProperty("user.language")); - log.info("user.country [{}]", System.getProperty("user.country")); - log.info("user.variant [{}]", System.getProperty("user.variant")); - - // System.getProperty("pi4j.armhf") - - log.info("java.home [{}]", System.getProperty("java.home")); - log.debug("java.class.path [{}]", System.getProperty("java.class.path")); - log.info("java.library.path [{}]", libararyPath); - log.info("user.dir [{}]", userDir); - - log.info("user.home [{}]", userHome); - log.info("total mem [{}] Mb", Runtime.getTotalMemory() / 1048576); - log.info("total free [{}] Mb", Runtime.getFreeMemory() / 1048576); - // Access restriction - log.info("total physical mem [{}] Mb", - // Runtime.getTotalPhysicalMemory() / 1048576); - - if (platform.isWindows()) { - log.info("guessed os bitness [{}]", platform.getOsBitness()); - // try to compare os bitness with jvm bitness - if (platform.getOsBitness() != platform.getJvmBitness()) { - log.warn("detected possible bitness mismatch between os & jvm"); - } - } - - log.info("getting local repo"); - - if (repo != null)/* transient */ { - repo.addStatusPublisher(this); - } - } - - /** - * Get the process ID of the current JVM. - * - * @return The process ID. - * @see Platform#getPid() - */ - public String getPid() { - return Platform.getLocalInstance().getPid(); - } - - public String publishDefaultRoute(String defaultRoute) { - return defaultRoute; - } - - /** - * Get the hostname of the computer this instance is running on. - * - * @return The computer's hostname - * @see Platform#getHostname() - */ - public String getHostname() { - return Platform.getLocalInstance().getHostname(); - } - - /** - * publishing event - since checkForUpdates may take a while - */ - public void checkingForUpdates() { - log.info("checking for updates"); - } - - /** - * Read an entire input stream as a string and return it. If the input stream - * does not have any more tokens, returns an empty string instead. - * - * @param is The input stream to read from - * @return The entire input stream read as a string - */ - static public String getInputAsString(InputStream is) { - try (java.util.Scanner s = new java.util.Scanner(is)) { - return s.useDelimiter("\\A").hasNext() ? s.next() : ""; - } - } - - /** - * list the contents of the current working directory - * - * @return object - */ - public Object ls() { - return ls(null, null); - } - - /** - * List the contents of an absolute path. - * - * @param path The path to list - * @return The contents of the directory - */ - public Object ls(String path) { - return ls(null, path); - } - - /** - * list the contents of a specific path - *

- *

- * TODO It looks like this only returns Object because it wants to return either - * a String array or a method entry list. It would probably be best to just - * convert the method entry list to a string array using streams and change the - * signature to match. - * - * @param contextPath c - * @param path p - * @return object - * - */ - public Object ls(String contextPath, String path) { - String absPath = null; - - if (contextPath != null) { - path = contextPath + path; - } - - if (path == null) { - path = "/"; - } - - // ALL SHOULD BE ABSOLUTE PATH AT THIS POINT - // IE STARTING WITH / - - if (!path.startsWith("/")) { - path = "/" + path; - } - - absPath = path; - - String[] parts = absPath.split("/"); - - String ret = null; - if (absPath.equals("/")) { - return Runtime.getServiceNames(); - } else if (parts.length == 2 && !absPath.endsWith("/")) { - return Runtime.getService(parts[1]); - } else if (parts.length == 2 && absPath.endsWith("/")) { - ServiceInterface si = Runtime.getService(parts[1]); - if (si == null) { - return null; - } - return si.getDeclaredMethodNames(); - /* - * } else if (parts.length == 3 && !absPath.endsWith("/")) { // execute 0 - * parameter function ??? return Runtime.getService(parts[1]); - */ - } else if (parts.length == 3) { - ServiceInterface si = Runtime.getService(parts[1]); - MethodCache cache = MethodCache.getInstance(); - List me = cache.query(si.getTypeKey(), parts[2]); - return me; // si.getMethodMap().get(parts[2]); - } - return ret; - } - - /** - * serviceName at id - * - * @return runtime name with instance id. - * - */ - public String whoami() { - return "runtime@" + getId(); - } - - // end cli commands ---- - - // ---------- Java Runtime wrapper functions begin -------- - /** - * Executes the specified command and arguments in a separate process. Returns - * the exit value for the subprocess. - * - * @param program The name of or path to an executable program. If given a name, - * the program must be on the system PATH. - * @return The exit value of the subprocess - */ - static public String exec(String program) { - return execute(program, null, null, null, null); - } - - /* - * FIXME - see if this is used anymore publishing point of Ivy sub system - - * sends event failedDependency when the retrieve report for a Service fails - */ - @Deprecated /* remove */ - public String failedDependency(String dep) { - return dep; - } - - public static Platform getPlatform() { - return getInstance().platform; - } - - // FIXME - should be removed - use Platform.getLocalInstance().is64bit() - @Deprecated - public boolean is64bit() { - return getInstance().platform.getJvmBitness() == 64; - } - - public Repo getRepo() { - return repo; - } - - /** - * Returns an array of all the simple type names of all the possible services. - * The data originates from the repo's serviceData.json file. - *

- * There is a local one distributed with the installation jar. When an "update" - * is forced, MRL will try to download the latest copy from the repo. - *

- * The serviceData.json lists all service types, dependencies, categories and - * other relevant information regarding service creation - * - * @return list of all service type names - */ - public String[] getServiceTypeNames() { - return getServiceTypeNames("all"); - } - - /** - * getServiceTypeNames will publish service names based on some filter criteria - * - * @param filter f - * @return array of service types - * - */ - public String[] getServiceTypeNames(String filter) { - return serviceData.getServiceTypeNames(filter); - } - - // FIXME THIS IS NOT NORMALIZED !!! - - /** - * Send the full log of the currently running MRL instance to the MyRobotLab - * developers for help. The userID is the name of the MyRobotLab.org user - * account - * - * @param userId Name of the MRL website account to link the log to - * @return Whether the log was sent successfully, info if yes and error if no. - */ - static public Status noWorky(String userId) { - Status status = null; - try { - String retStr = HttpRequest.postFile("http://noworky.myrobotlab.org/no-worky", userId, "file", - new File(LoggingFactory.getLogFileName())); - if (retStr.contains("Upload:")) { - log.info("noWorky successfully sent - our crack team of experts will check it out !"); - status = Status.info("no worky sent"); - } else { - status = Status.error("could not send"); - } - } catch (Exception e) { - log.error("the noWorky didn't worky !"); - status = Status.error(e); - } - - // this makes the 'static' of this method pointless - // perhaps the webgui should invoke rather than call directly .. :P - Runtime.getInstance().invoke("publishNoWorky", status); - return status; - } - - static public Status publishNoWorky(Status status) { - return status; - } - - // FIXME - create interface for this - public String publishMessage(String msg) { - return msg; - } - - @Override - @Deprecated /* use onResponse ??? */ - public void onMessage(Message msg) { - // TODO: what do we do when we get a message? - log.info("onMessage()"); - } - - /** - * Publishing point when a service was successfully registered locally - - * regardless if the service is local or not. - * - * TODO - more business logic can be created here to limit broadcasting or - * re-broadcasting published registrations - * - * @param registration - contains all the information need for a registration to - * process - */ - @Override - public Registration registered(Registration registration) { - return registration; - } - - /** - * released event - when a service is successfully released from the registry - * this event is triggered - * - */ - @Override - public String released(String name) { - return name; - } - - /** - * A function for runtime to "save" a service - or if the service does not - * exists save the "default" config of that type of service - * - * @param name name of service to export - * @return true/false - * @throws IOException boom - * - */ - @Deprecated /* use save(name) */ - public boolean export(String name /* , String type */) throws IOException { - return save(name); - } - - public boolean save(String name /* , String type */) throws IOException { - ServiceInterface si = getService(name); - if (si != null) { - return si.save(); - } - error("cannot save %s - does not exist", name); - return false; - } - - /** - * restart occurs after applying updates - user or config data needs to be - * examined and see if its an appropriate time to restart - if it is the - * spawnBootstrap method will be called and bootstrap.jar will go through its - * sequence to update myrobotlab.jar - */ - public void restart() { - // to avoid deadlock of shutting down from external messages - // we spawn a kill thread - new Thread("kill-thread") { - @Override - public void run() { - try { - - info("restarting"); - - // FIXME - should we save() load() ??? - // export("last-restart"); - - // shutdown all services process - send ready to shutdown - ask back - // release all services - for (ServiceInterface service : getServices()) { - service.preShutdown(); - } - - // check if ready ??? - - // release all local services - releaseAll(); - - if (runtime != null) { - runtime.releaseService(); - } - - // make sure python is included - // options.services.add("python"); - // options.services.add("Python"); - - // force invoke - // options.invoke = new String[] { "python", "execFile", - // "lastRestart.py" }; - - // create builder from Launcher daemonize ? - log.info("re launching with commands \n{}", CmdOptions.toString(options.getOutputCmd())); - ProcessBuilder pb = Launcher.createBuilder(options); - - // fire it off - Process restarted = pb.start(); - // it "better" not be a requirement that a process must consume its - // std streams - // "hopefully" - if the OS realizes the process is dead it moves the - // streams to /dev/null ? - // StreamGobbler gobbler = new - // StreamGobbler(String.format("%s-gobbler", getName()), - // restarted.getInputStream()); - // gobbler.start(); - - // dramatic pause - sleep(2000); - - // check if process exists - if (restarted.isAlive()) { - log.info("yay! we continue to live in future generations !"); - } else { - log.error("omg! ... I killed all the services and now there is no offspring ! :("); - } - log.error("goodbye ..."); - shutdown(); - } catch (Exception e) { - log.error("shutdown threw", e); - } - } - }.start(); - } - - /** - * Get the META-INF/MANIFEST.MF file from the myrobotlab.jar as String key-value - * pairs. - * - * @return key-value pairs contained in the manifest file - * @see Platform#getManifest() - */ - static public Map getManifest() { - return Platform.getManifest(); - } - - /** - * Runtime's setLogLevel will set the root log level if its called from a - * service - it will only set that Service type's log level - * - * @param level - DEBUG | INFO | WARN | ERROR - * @return the level which was set - */ - static public String setLogLevel(String level) { - log.info("setLogLevel {}", level); - Logging logging = LoggingFactory.getInstance(); - logging.setLevel(level); - log.info("setLogLevel {}", level); - return level; - } - - /** - * Get the log level of this MRL instance - * - * @return The log level as a String. - * @see Logging#getLevel() - */ - static public String getLogLevel() { - Logging logging = LoggingFactory.getInstance(); - return logging.getLevel(); - } - - /** - * Set the file to output logs to. This will remove all previously-applied - * appenders from the logging system. - * - * @param file The file to output logs to - * @return file - * @see Logging#removeAllAppenders() - */ - static public String setLogFile(String file) { - log.info("setLogFile {}", file); - Logging logging = LoggingFactory.getInstance(); - logging.removeAllAppenders(); - LoggingFactory.setLogFile(file); - logging.addAppender(AppenderType.FILE); - return file; - } - - /** - * Disables logging by removing all appenders. To re-enable call - * {@link #setLogFile(String)} or add appenders. - * - * @see Logging#addAppender(String) - */ - static public void disableLogging() { - Logging logging = LoggingFactory.getInstance(); - logging.removeAllAppenders(); - } - - /** - * Stops all service-related running items. This releases the singleton - * referenced by this class, but it does not guarantee that the old service will - * be GC'd. FYI - if stopServices does not remove INSTANCE - it is not - * re-entrant in junit tests - */ - @Override - public void releaseService() { - if (runtime != null) { - runtime.purgeTasks(); - runtime.stopService(); - runtime.stopInteractiveMode(); - runtime.getRepo().removeStatusPublishers(); - if (cli != null) { - cli.stop(); - } - registry = new TreeMap<>(); - } - synchronized (INSTANCE_LOCK) { - runtime = null; - } - } - - /** - * Close all connections using this runtime as the gateway. This includes both - * inbound and outbound connections. - */ - public void closeConnections() { - for (Connection c : connections.values()) { - String gateway = c.getGateway(); - if (getFullName().equals(gateway)) { - WsClient client = (WsClient) c.get("c-client"); - client.close(); - } - } - } - - // FYI - the way to call "all" service methods ! - - /** - * Clear all services' last error. - * - * @see ServiceInterface#clearLastError() - */ - public void clearErrors() { - for (String serviceName : registry.keySet()) { - send(serviceName, "clearLastError"); - } - } - - /** - * Check if any services have errors. - * - * @return Whether any service has an error - * @see ServiceInterface#hasError() - */ - public static boolean hasErrors() { - for (ServiceInterface si : registry.values()) { - if (si.hasError()) { - return true; - } - } - return false; - } - - /** - * remove all subscriptions from all local Services - */ - static public void removeAllSubscriptions() { - for (ServiceInterface si : getLocalServices().values()) { - List nlks = si.getNotifyListKeySet(); - for (int i = 0; i < nlks.size(); ++i) { - si.getNotifyList().clear(); - } - } - } - - /** - * Get recent errors from all local services. - * - * @return A list of most recent service errors - * @see ServiceInterface#getLastError() - */ - public static List getErrors() { - ArrayList stati = new ArrayList(); - for (ServiceInterface si : getLocalServices().values()) { - Status status = si.getLastError(); - if (status != null && status.isError()) { - log.info(status.toString()); - stati.add(status); - } - } - return stati; - } - - /** - * Broadcast the states of all local services. - */ - public static void broadcastStates() { - for (ServiceInterface si : getLocalServices().values()) { - si.broadcastState(); - } - } - - /** - * Get the Runtime singleton instance. - * - * @return The singleton instance - * @see #getInstance() - */ - public static Runtime get() { - return Runtime.getInstance(); - } - - /** - * Execute an external program with arguments if specified. args must not be - * null and the length must be greater than zero, the first element is the - * program to be executed. If the program is just a name and not a path to the - * executable then it must be on the operating system PATH. - * - * @see - * What are PATH and other environment variables? - * @param args The program to be executed as the first element and the args to - * the program as the rest, if any - * @return The program's stdout and stderr output - */ - static public String execute(String... args) { - if (args == null || args.length == 0) { - log.error("execute invalid number of args"); - return null; - } - String program = args[0]; - List list = null; - - if (args.length > 1) { - list = new ArrayList(); - for (int i = 1; i < args.length; ++i) { - list.add(args[i]); - } - } - - return execute(program, list, null, null, true); - } - - /** - * Execute an external program with a list of arguments, a specified working - * directory, any additional environment variables, and whether the execution - * blocks. - * - * TODO Implement workingDir and block - * - * @param program The program to be executed - * @param args Any arguments to the command - * @param workingDir The directory to execute the program in - * @param additionalEnv Any additional environment variables - * @param block Whether this method blocks for the program to execute - * @return The programs stderr and stdout output - */ - - static public String execute(String program, List args, String workingDir, - Map additionalEnv, boolean block) { - log.debug("execToString(\"{} {}\")", program, args); - - List command = new ArrayList<>(); - command.add(program); - if (args != null) { - command.addAll(args); - } - - ProcessBuilder builder = new ProcessBuilder(command); - if (workingDir != null) { - builder.directory(new File(workingDir)); - } - - Map environment = builder.environment(); - if (additionalEnv != null) { - environment.putAll(additionalEnv); - } - - StringBuilder outputBuilder = new StringBuilder(); - - try { - Process handle = builder.start(); - - InputStream stdErr = handle.getErrorStream(); - InputStream stdOut = handle.getInputStream(); - - // Read the output streams in separate threads to avoid potential blocking - Thread stdErrThread = new Thread(() -> readStream(stdErr, outputBuilder)); - stdErrThread.start(); - - Thread stdOutThread = new Thread(() -> readStream(stdOut, outputBuilder)); - stdOutThread.start(); - - if (block) { - int exitValue = handle.waitFor(); - outputBuilder.append("Exit Value: ").append(exitValue); - log.info("Command exited with exit value: {}", exitValue); - } else { - log.info("Command started"); - } - - return outputBuilder.toString(); - } catch (IOException e) { - log.error("Error executing command", e); - return e.getMessage(); - } catch (InterruptedException e) { - Thread.currentThread().interrupt(); - log.error("Command execution interrupted", e); - return e.getMessage(); - } - } - - private static void readStream(InputStream inputStream, StringBuilder outputBuilder) { - try (BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream))) { - String line; - while ((line = reader.readLine()) != null) { - outputBuilder.append(line).append(System.lineSeparator()); - } - } catch (IOException e) { - log.error("Error reading process output", e); - } - } - - /** - * Get the current battery level of the computer this MRL instance is running - * on. - * - * @return The battery level as a double from 0.0 to 100.0, expressed as a - * percentage. - */ - public static Double getBatteryLevel() { - Platform platform = Platform.getLocalInstance(); - Double r = 100.0; - try { - if (platform.isWindows()) { - // String ret = Runtime.execute("cmd.exe", "/C", "WMIC.exe", "PATH", - // "Win32_Battery", "Get", "EstimatedChargeRemaining"); - String ret = Runtime.execute("WMIC.exe", "PATH", "Win32_Battery", "Get", "EstimatedChargeRemaining"); - int pos0 = ret.indexOf("\n"); - if (pos0 != -1) { - pos0 = pos0 + 1; - int pos1 = ret.indexOf("\n", pos0); - String dble = ret.substring(pos0, pos1).trim(); - try { - r = Double.parseDouble(dble); - } catch (Exception e) { - log.error("no Battery detected by system"); - } - - return r; - } - - } else if (platform.isLinux()) { - // TODO This is incorrect, will not work when unplugged - // and acpitool output is different than expected, - // at least on Ubuntu 22.04 - consider oshi library - String ret = Runtime.execute("acpi"); - int pos0 = ret.indexOf("%"); - - if (pos0 != -1) { - int pos1 = ret.lastIndexOf(" ", pos0); - // int pos1 = ret.indexOf("%", pos0); - String dble = ret.substring(pos1, pos0).trim(); - try { - r = Double.parseDouble(dble); - } catch (Exception e) { - log.error("no Battery detected by system"); - } - return r; - } - log.info(ret); - } else if (platform.isMac()) { - String ret = Runtime.execute("pmset -g batt"); - int pos0 = ret.indexOf("Battery-0"); - if (pos0 != -1) { - pos0 = pos0 + 10; - int pos1 = ret.indexOf("%", pos0); - String dble = ret.substring(pos0, pos1).trim(); - try { - r = Double.parseDouble(dble); - } catch (Exception e) { - log.error("no Battery detected by system"); - } - return r; - } - log.info(ret); - } - - } catch (Exception e) { - log.info("execToString threw", e); - } - return r; - } - - /** - * Get the local service data instance. - * - * @return The local service data - * @see ServiceData#getLocalInstance() - */ - public ServiceData getServiceData() { - return serviceData; - } - - /** - * Return supported system languages - * - * @return map of languages to locales - */ - public Map getLanguages() { - return Locale.getAvailableLanguages(); - } - - /** - * Get a map between locale IDs and the associated {@link Locale} instance. - * - * @return A map between IDs and instances. - */ - @Override - public Map getLocales() { - return locales; - } - - /** - * Set the locales by passing a list of locale IDs. - * - * @param codes A list of locale IDs - * @return A map between the IDs and the Locale instances. - */ - public Map setLocales(String... codes) { - locales = Locale.getLocaleMap(codes); - return locales; - } - - /** - * @return get the Security singleton - * - * - */ - static public Security getSecurity() { - return Security.getInstance(); - } - - /** - * Execute a program with arguments, if any. Wraps - * {@link java.lang.Runtime#exec(String[])}. - * - * @param cmd A list with the program name as the first element and any - * arguments as the subsequent elements. - * @return The Process spawned by the execution - * @throws IOException if an I/O error occurs while spawning the process - */ - public static Process exec(String... cmd) throws IOException { - // FIXME - can't return a process - it will explode in serialization - // but we might want to keep it and put it on a transient map - log.info("Runtime exec {}", Arrays.toString(cmd)); - Process p = java.lang.Runtime.getRuntime().exec(cmd); - return p; - } - - /** - * Get all the options passed on the command line when MyRobotLab is executed. - * - * @return The options that were passed on the command line - */ - public static CmdOptions getOptions() { - return options; - } - - /** - * TODO Unimplemented - * - * @param sd ServiceData to use - * @return sd - */ - public ServiceData setServiceTypes(ServiceData sd) { - return sd; - } - - /** - * FIXME - describe will have the capability to describe many aspects of a - * running service. Default behavior will show a list of local names, but - * depending on input criteria it should be possible to show * interfaces * - * service data * service methods * details of a service method * help/javadoc - * of a service method * list of other known instances * levels of detail, or - * lists of fields to display * meaningful default - * - * FIXME - input parameters will need to change - at some point, a subscribe to - * describe, and appropriate input parameters should replace the current - * onRegistered system - * - * @param type t - * @param id i - * @param remoteUuid remote id - * @return describe results - * - */ - public DescribeResults describe(String type, String id, String remoteUuid) { - DescribeQuery query = new DescribeQuery(type, remoteUuid); - return describe(type, query); - } - - /** - * Get a default DescribeResults from this instance. - * - * @return A default description of this instance - */ - public DescribeResults describe() { - // default query - return describe("platform", null); - } - - /** - * Describe results returns the information of a "describe" which can be - * detailed information regarding services, theire methods and input or output - * types. - *

- * FIXME - describe(String[] filters) where filter can be name, type, local, - * state, etc - *

- * FIXME uuid and query are unused - * - * @param uuid u - * @param query q - * @return describe results - * - * - * - */ - public DescribeResults describe(String uuid, DescribeQuery query) { - - DescribeResults results = new DescribeResults(); - results.setStatus(Status.success("Ahoy!")); - - String fullname = null; - - try { - - results.setId(getId()); - results.setPlatform(Platform.getLocalInstance()); - - // broadcast completed connection information - invoke("getConnections"); // FIXME - why isn't this done before ??? - - Set set = registry.keySet(); - String[] list = new String[set.size()]; - set.toArray(list); - - // TODO - filtering on what is broadcasted or re-broadcasted - for (int i = 0; i < list.length; ++i) { - fullname = list[i]; - ServiceInterface si = registry.get(fullname); - - Registration registration = new Registration(si); - - results.addRegistration(registration); - } - - } catch (Exception e) { - log.error("describe threw on {}", fullname, e); - } - - return results; - } - - /** - * Describe results from remote query to describe - * - * @param results describe results - * - * - */ - public void onDescribe(DescribeResults results) { - List reservations = results.getReservations(); - if (reservations != null) { - for (Registration reservation : reservations) { - if ("runtime".equals(reservation.getName()) && !getId().equals(reservation.getId())) { - // If there's a reservation for a remote runtime, subscribe to its - // registered - // Maybe this should be done in register()? - subscribe(reservation.getFullName(), "registered"); - } - register(reservation); - } - } - - } - - /** - * IMPORTANT IMPORTANT IMPORTANT - Newly connected remote mrl processes blas a - * list of registrations through onRegistered messages, for each service they - * currently have in their registry. This process will send a list of - * registrations to the newly connected remote process. If the "registered" - * event is subscribed, any newly created service will be broadcasted thorough - * this publishing point as well. - * - * TODO - write filtering, configuration, or security which affects what can be - * registered - * - * Primarily, this is where new services are registered from remote systems - * - * - */ - public void onRegistered(Registration registration) { - try { - // check if registered ? - - // TODO - filtering - include/exclude - - String fullname = registration.getName() + "@" + registration.getId(); - if (!registry.containsKey(fullname)) { - register(registration); - if (fullname.startsWith("runtime@")) { - // We want to TELL remote runtime if we have new registrations - we'll - // send them - // to it's runtime - // subscribe(fullname, "registered"); - // subscribe(fullname, "released"); - // IMPORTANT w - addListener("registered", fullname); - addListener("released", fullname); - } - } else { - log.info("{} onRegistered already registered", fullname); - } - } catch (Exception e) { - log.error("onRegistered threw {}", registration, e); - } - } - - /** - * Listener for authentication. - * - * @param response The results from a foreign instance's - * {@link Runtime#describe(String, DescribeQuery)} - */ - public void onAuthenticate(DescribeResults response) { - log.info("onAuthenticate {}", response); - } - - /** - * Get a list of metadata about all services local to this instance. - * - * @return A list of metadata about local services - * @see ServiceData#getServiceTypes() - */ - public List getServiceTypes() { - List filteredTypes = new ArrayList<>(); - for (MetaData metaData : serviceData.getServiceTypes()) { - if (metaData.isAvailable()) { - filteredTypes.add(metaData); - } - } - return filteredTypes; - } - - /** - * Register a connection route from one instance to this one. - * - * @param uuid Unique ID for a connecting client - * @param id Name or ID of the connecting client - * @param connection Details of the connection - */ - @Override - public void addConnection(String uuid, String id, Connection connection) { - Connection attr = null; - if (!connections.containsKey(uuid)) { - attr = connection; - invoke("publishConnect", connection); - } else { - attr = connections.get(uuid); - attr.putAll(connection); - } - connections.put(uuid, attr); - // String id = (String)attr.get("id"); - - addRoute(id, uuid, 10); - } - - /** - * Unregister all connections that a specified client has made. - * - * @param uuid The ID of the client - */ - @Override - public void removeConnection(String uuid) { - - Connection conn = connections.remove(uuid); - - if (conn != null) { - invoke("publishDisconnect", uuid); - invoke("getConnections"); - - Set remoteIds = routeTable.getAllIdsFor(uuid); - for (String id : remoteIds) { - unregisterId(id); - } - routeTable.removeRoute(uuid); - } - } - - /** - * Unregister all services originating from the instance with the given ID. - * - * @param id The ID of the instance that is being unregistered - */ - public void unregisterId(String id) { - Set names = new HashSet<>(registry.keySet()); - for (String name : names) { - if (name.endsWith("@" + id)) { - unregister(name); - } - } - } - - public String publishDisconnect(String uuid) { - return uuid; - } - - // FIXME - filter only serializable objects ? - public Connection publishConnect(Connection attributes) { - return attributes; - } - - /** - * globally get all client - * - * @return connection map - */ - public Map getConnections() { - return connections; - } - - /** - * separated by connection - send connection name and get filter results back - * for a specific connections connected clients - * - * @param gatwayName name - * @return map of connections - * - */ - public Map getConnections(String gatwayName) { - Map ret = new HashMap<>(); - for (String uuid : connections.keySet()) { - Connection c = connections.get(uuid); - String gateway = (String) c.get("gateway"); - if (gatwayName == null || gateway.equals(gatwayName)) { - ret.put(uuid, c); - } - } - return ret; - } - - /** - * @return list connections - current connection names to this mrl runtime - * - */ - public Map lc() { - return getConnections(); - } - - /** - * get a specific clients data - * - * @param uuid uuid to get - * @return connection for uuid - * - */ - public Connection getConnection(String uuid) { - return connections.get(uuid); - } - - /** - * @return Globally get all connection uuids - * - */ - public List getConnectionUuids() { - return getConnectionUuids(null); - } - - /** - * Get whether a connection to the given client exists. - * - * @param uuid Unique ID of the client to check for - * @return Whether a connection between this instance and the given client - * exists - */ - boolean connectionExists(String uuid) { - return connections.containsKey(uuid); - } - - /** - * Get connection ids that belong to a specific gateway - * - * @param name n - * @return list of uuids - * - */ - public List getConnectionUuids(String name) { - List ret = new ArrayList<>(); - for (String uuid : connections.keySet()) { - Connection c = connections.get(uuid); - String gateway = (String) c.get("gateway"); - if (name == null || gateway.equals(name)) { - ret.add(uuid); - } - } - return ret; - } - - /** - * Get the Class instance for a specific service. - * - * @param inName The name of the service - * @return The Class of the service. - * @see #getFullName(String) - */ - public static Class getClass(String inName) { - String name = getFullName(inName); - ServiceInterface si = registry.get(name); - if (si == null) { - return null; - } - return si.getClass(); - } - - /** - * takes an id returns a connection uuid - * - * @param id id - * @return the connection - * - */ - public Connection getRoute(String id) { - return connections.get(routeTable.getRoute(id)); - } - - public RouteTable getRouteTable() { - return routeTable; - } - - /** - * get gateway based on remote address of a msg e.g. msg.getRemoteId() - * - * @param remoteId remote - * @return the gateway - * - */ - public Gateway getGatway(String remoteId) { - // get a connection from the route - Connection conn = getRoute(remoteId); - if (conn == null) { - log.debug("no connection for id {}", remoteId); - return null; - } - // find the gateway managing the connection - return (Gateway) getService((String) conn.get("gateway")); - } - - /** - * Get the full name of the service. A full name is defined as a "short name" - * plus the ID of the Runtime instance it is attached to. The two components are - * separated by an '@' character. If the given name is already a full name, it - * is returned immediately, otherwise a full name is constructed by assuming the - * service is local to this instance. Example: - * - * 

-	 * {
-	 * 	@code
-	 * 	String shortName = "python";
-	 *
-	 * 	// Assume the local name is "bombastic-cherry"
-	 * 	String fullName = getFullName(shortName);
-	 * 	// fullName is now "python@bombastic-cherry"
-	 *
-	 * 	fullName = getFullName(fullName);
-	 * 	// fullName is unchanged because it was already a full name
-	 *
-	 * }
-	 *
- * - * - * @param shortname The name to convert to a full name - * @return shortname if it is already a full name, or a newly constructed full - * name - */ - static public String getFullName(String shortname) { - if (shortname == null || shortname.contains("@")) { - // already long form - return shortname; - } - // if nothing is supplied assume local - return String.format("%s@%s", shortname, Runtime.getInstance().getId()); - } - - @Override - public List getClientIds() { - return getConnectionUuids(getName()); - } - - @Override - public Map getClients() { - return getConnections(getName()); - } - - public void pollHosts() { - runtime.addTask(20000, "getHosts"); - } - - // FIXME - remove if not using ... - @Override - public void sendRemote(Message msg) throws IOException { - if (isLocal(msg)) { - log.error("msg NOT REMOTE yet sendRemote is called {}", msg); - return; - } - - // get a connection from the route - Connection conn = getRoute(msg.getId()); - if (conn == null) { - log.error("could not get connection for {} from msg {}", msg.getId(), msg); - return; - } - - // two possible types of "remote" for this gateway cli & ws - if ("Cli".equals(conn.get("c-type"))) { - invoke("publishCli", msg); - - InProcessCli cli = ((InProcessCli) conn.get("cli")); - cli.onMsg(msg); - - } else { - // websocket Client ! - WsClient client = (WsClient) conn.get("c-client"); - if (client == null) { - log.error("could not get client for connection {}", msg.getId()); - return; - } - - /** - * ====================================================================== - * DYNAMIC ROUTE TABLE - outbound msg hop starts now - */ - - // add our id - we don't want to see it again - msg.addHop(getId()); - - log.info("<== {}.{} <-- {}", msg.name, msg.method, msg.sender); - - /** - * ====================================================================== - */ - - client.send(CodecUtils.toJsonMsg(msg)); - } - } - - public Object publishCli(Message msg) { - if (msg.data == null || msg.data.length == 0) { - return null; - } - return msg.data[0]; - } - - /** - * DONT MODIFY NAME - JUST work on is Local - and InvokeOn should handle it - * - * if the incoming Message's remote Id is the (same as ours) OR (it can't be - * found it our route table) - peel it off and treat it as local. - * - * if we have an @{id/connection} but do not have the connection - we'll peel - * off the @{id/connection} and treat it as local if id is ours - peel it off ! - */ - @Override - public boolean isLocal(Message msg) { - - if (msg.getId() == null || getId().equals(msg.getId())) { - return true; - } - - return false; - } - - public Object localizeDefault(String key) { - key = key.toUpperCase(); - return defaultLocalization.get(key); - } - - static public void setAllLocales(String code) { - for (ServiceInterface si : getLocalServices().values()) { - si.setLocale(code); - } - } - - @Override - public String created(String name) { - return name; - } - - @Override - public String started(String name) { - // if this is to be used as a callback in Python - // users typically would want simple name ... not "fullname" - - return name; - } - - @Override - public String stopped(String name) { - return name; - } - - /** - * Wrapper for {@link ServiceData#getMetaData(String, String)} - * - * @param serviceName The name of the service - * @param serviceType The type of the service - * @return The metadata of the service. - */ - public static MetaData getMetaData(String serviceName, String serviceType) { - return ServiceData.getMetaData(serviceName, serviceType); - } - - /** - * Wrapper for {@link ServiceData#getMetaData(String)} - * - * @param serviceType The type of the service - * @return The metadata of the service. - */ - public static MetaData getMetaData(String serviceType) { - return ServiceData.getMetaData(serviceType); - } - - /** - * Whether the singleton has been created - * - * @return Whether the singleton exists - */ - public static boolean exists() { - return runtime != null; - } - - /** - * Attempt to get the most likely valid address priority would be a lan address - * - possibly the smallest class - * - * @return string address - * - */ - public String getAddress() { - List addresses = getIpAddresses(); - if (addresses.size() > 0) { - - // class priority - for (String ip : addresses) { - if (ip.startsWith("192.168")) { - return ip; - } - } - - for (String ip : addresses) { - if (ip.startsWith("172.")) { - return ip; - } - } - - for (String ip : addresses) { - if (ip.startsWith("10.")) { - return ip; - } - } - - // give up - return first :P - return addresses.get(0); - } - return null; - } - - public List getHosts() { - List ips = getIpAddresses(); - String selectedIp = (ips.size() == 1) ? ips.get(0) : null; - if (selectedIp == null) { - for (String ip : ips) { - if ((selectedIp != null) && (ip.startsWith(("192.")))) { - selectedIp = ip; - } else if (selectedIp == null) { - selectedIp = ip; - } - } - } - String subnet = selectedIp.substring(0, selectedIp.lastIndexOf(".")); - return getHosts(subnet); - } - - public List getHosts(String subnet) { - - if (hosts == null) { - hosts = new HashMap(); - File check = new File(FileIO.gluePaths(getDataDir(), "hosts.json")); - if (check.exists()) { - try { - Host[] hf = CodecUtils.fromJson(FileIO.toString(check), Host[].class); - for (Host h : hf) { - hosts.put(h.ip, h); - } - info("found %d saved hosts", hosts.size()); - } catch (Exception e) { - error("could not load %s - %s", check, e.getMessage()); - } - } - } - - int timeout = 1500; - try { - for (int i = 1; i < 255; i++) { - Thread pinger = new Thread(new Pinger(this, hosts, subnet + "." + i, timeout), "pinger-" + i); - pinger.start(); - } - } catch (Exception e) { - log.error("getHosts threw", e); - } - List h = new ArrayList<>(); - for (Host hst : hosts.values()) { - if (hst.lastActiveTs != null) { - h.add(hst); - } - } - return h; - } - - public Host publishFoundHost(Host host) { - log.info("found host {}", host); - return host; - } - - public Host publishFoundNewHost(Host host) { - log.info("found new host {}", host); - return host; - } - - public Host publishLostHost(Host host) { - log.info("lost host {}", host); - return host; - } - - public void saveHosts() throws IOException { - FileOutputStream fos = new FileOutputStream(FileIO.gluePaths(getDataDir(), "hosts.json")); - List h = new ArrayList<>(hosts.values()); - String json = CodecUtils.toPrettyJson(h); - fos.write(json.getBytes()); - fos.close(); - } - - /** - * start python interactively at the command line - */ - public void python() { - if (cli == null) { - startInteractiveMode(); - } - start("python", "Python"); - // since we've suscribed to pythons st - cli.relay("python", "exec", "publishStdOut"); - cli.relay("python", "exec", "publishStdError"); - Logging logging = LoggingFactory.getInstance(); - logging.removeAllAppenders(); - } - - /** - * Main entry point for the MyRobotLab Runtime Check CmdOptions for list of - * options -h help -v version -list jvm args -Dhttp.proxyHost=webproxy - * f-Dhttp.proxyPort=80 -Dhttps.proxyHost=webproxy -Dhttps.proxyPort=80 - * - * @param args cmd line args from agent spawn - * - */ - public static void main(String[] args) { - - try { - - // loading args - globalArgs = args; - new CommandLine(options).parseArgs(args); - log.info("in args {}", Launcher.toString(args)); - log.info("options {}", CodecUtils.toJson(options)); - log.info("\n" + Launcher.banner); - - // creating initial data/config directory - File cfgRoot = new File(ROOT_CONFIG_DIR); - cfgRoot.mkdirs(); - - // initialize logging - initLog(); - - // extract if necessary - FileIO.extractResources(); - - // help and exit - if (options.help) { - mainHelp(); - return; - } - - // start.yml file is required, if not pre-existing - // is created immediately. It contains static information - // which needs to be available before a Runtime is created - Runtime.startYml = ConfigUtils.loadStartYml(); - - // resolve configName before starting getting runtime configuration - Runtime.configName = (startYml.enable) ? startYml.config : "default"; - if (options.config != null) { - // cmd line options has the highest priority - Runtime.configName = options.config; - } - - // start.yml is processed, config name is set, runtime config - // is resolved, now we can start instance - Runtime.getInstance(); - - if (options.install != null) { - // resetting log level to info - // for an install otherwise ivy - // info will not be shown in the terminal - // during install of dependencies - // which makes users panic and hit ctrl+C - setLogLevel("info"); - - // we start the runtime so there is a status publisher which will - // display status updates from the repo install - log.info("requesting install"); - Repo repo = getInstance().getRepo(); - if (options.install.length == 0) { - repo.install(LIBRARIES, (String) null); - } else { - for (String service : options.install) { - repo.install(LIBRARIES, service); - } - } - shutdown(); - return; - } - - } catch (Exception e) { - log.error("runtime exception", e); - Runtime.mainHelp(); - shutdown(); - log.error("main threw", e); - } - } - - public static void initLog() { - if (options != null) { - LoggingFactory.init(options.logLevel); - } else { - LoggingFactory.init("info"); - } - } - - public void test() { - for (int statusCnt = 0; statusCnt < 500; statusCnt++) { - statusCnt++; - invoke("publishStatus", Status.info("this is status %d", statusCnt)); - } - } - - public Connection getConnectionFromId(String remoteId) { - for (Connection c : connections.values()) { - if (c.getId().equals(remoteId)) { - return c; - } - } - return null; - } - - /** - * A gateway is responsible for creating a key to associate a unique - * "Connection". This key should be retrievable, when a msg arrives at the - * service which needs to be sent remotely. This key is used to get the - * "Connection" to send the msg remotely - * - * @param string s - * @param uuid u - * - */ - public void addLocalGatewayKey(String string, String uuid) { - routeTable.addLocalGatewayKey(string, uuid); - } - - public boolean containsRoute(String remoteId) { - return routeTable.contains(remoteId); - } - - public String getConnectionUuidFromGatewayKey(String gatewayKey) { - return routeTable.getConnectionUuid(gatewayKey); - } - - /** - * This helper method will create, load then start a service - * - * @param name - name of instance - * @param type - type - * @return returns the service in the form of a ServiceInterface - */ - static public ServiceInterface loadAndStart(String name, String type) { - ServiceInterface s = null; - try { - s = create(name, type); - s.load(); - s.startService(); - } catch (Exception e) { - log.error("loadAndStart threw", e); - } - return s; - } - - /** - * DEFAULT IF NOTHING EXISTS DO NOT DEFAULT SOMETHING THAT'S ALREADY IN PLAN - * OVERRIDE WITH FILE - * - * Load a single service entry into the plan through yml or default. This method - * is responsible for resolving the Type and ServiceConfig for a single service. - * Since some service Types are composites and require Peers, it can potentially - * be recursive. The level of overrides are from highest priority to lowest : - * - * 
-	 *       if a Plan definition of {name} exists, use it   - "current" plan definition !
-	 *       /data/config/{configName}/{service}.yml          - user's yml override
-	 *       /resource/config/{configName}/{service}.yml      - system yml default
-	 *       {ServiceConfig}.java                             - system java type default
-	 * 
-	 * 
-	 *
- * - * @param plan - plan to load - * @param name - name of service - * @param type - type of service - * @param start - weather to specify in RuntimeConfig.registry to "start" this - * service when createFromPlan is run - * @param level - level of the depth, services may load peers which in turn will - * load more, this is the depth of recursion - * @return - * @throws IOException - */ - public Plan loadService(Plan plan, String name, String type, boolean start, int level) throws IOException { - synchronized (processLock) { - - if (plan == null) { - log.error("plan required to load a system"); - return null; - } - - log.info("loading - {} {} {}", name, type, level); - // from recursive memory definition - ServiceConfig sc = plan.get(name); - - // HIGHEST PRIORITY - OVERRIDE WITH FILE - String configPath = runtime.getConfigPath(); - String configFile = configPath + fs + name + ".yml"; - - // PRIORITY #1 - // find if a current yml config file exists - highest priority - log.debug("priority #1 user's yml override {} ", configFile); - ServiceConfig fileSc = readServiceConfig(Runtime.getInstance().getConfigName(), name); - if (fileSc != null) { - // if definition exists in file form, it overrides current memory one - sc = fileSc; - } else if (sc != null) { - // if memory config is available but not file - // we save it - String yml = CodecUtils.toYaml(sc); - FileIO.toFile(configFile, yml); - } - - // special conflict case - type is specified, but its not the same as - // file version - in that case specified parameter type wins and - // overwrites - // config. User can force type by supplying one as a parameter, however, - // the - // recursive - // call other peer types will have name/file.yml definition precedence - if ((type != null && sc != null && !type.equals(sc.type) && level == 0) || (sc == null)) { - if (sc != null) { - warn("type %s overwriting type %s specified in %s.yml file", type, sc.type, name); - } - ServiceConfig.getDefault(plan, name, type); - sc = plan.get(name); - - // create new file if it didn't exist or overwrite it if new type is - // required - String yml = CodecUtils.toYaml(sc); - FileIO.toFile(configFile, yml); - } - - if (sc == null && type == null) { - log.error("no local config and unknown type"); - return plan; - } - - // finalize - if (sc != null) { - plan.put(name, sc); - // RECURSIVE load peers - Map peers = sc.getPeers(); - for (String peerKey : peers.keySet()) { - Peer peer = peers.get(peerKey); - // recursive depth load - parent and child need to be started - runtime.loadService(plan, peer.name, peer.type, start && peer.autoStart, level + 1); - } - - // valid service config at this point - now determine if its supposed to - // start or not - // if its level 0 then it was requested by user or config - so it needs - // to - // start - // if its not level 0 then it was loaded because peers were defined and - // appropriate config loaded - // peer.autoStart should determine if the peer starts if not explicitly - // requested by the - // user or config - if (level == 0 || start) { - plan.addRegistry(name); - } - - } else { - log.info("could not load {} {} {}", name, type, level); - } - - return plan; - } - } - - /** - * read a service's configuration, in the context of current config set name or - * default - * - * @param name - * @return - */ - public ServiceConfig readServiceConfig(String name) { - return readServiceConfig(name, new StaticType<>() { - }); - } - - /** - * read a service's configuration, in the context of current config set name or - * default - * - * @param name - * @return - */ - public C readServiceConfig(String name, StaticType configType) { - return readServiceConfig(null, name, configType); - } - - public ServiceConfig readServiceConfig(String configName, String name) { - return readServiceConfig(configName, name, new StaticType<>() { - }); - } - - /** - * - * @param configName - filename or dir of config set - * @param name - name of config file within that dir e.g. {name}.yml - * @return - */ - public C readServiceConfig(String configName, String name, StaticType configType) { - // if config path set and yaml file exists - it takes precedence - - if (configName == null) { - configName = runtime.getConfigName(); - } - - if (configName == null) { - log.info("config name is null cannot load {} file system", name); - return null; - } - - String filename = ROOT_CONFIG_DIR + fs + configName + fs + name + ".yml"; - File check = new File(filename); - C sc = null; - if (check.exists()) { - try { - sc = CodecUtils.readServiceConfig(filename, configType); - } catch (ConstructorException e) { - error("config %s invalid %s %s. Please remove it from the file.", name, filename, - e.getCause().getMessage()); - } catch (Exception e) { - error("config could not load %s file is invalid", filename); - } - } - return sc; - } - - public String publishConfigLoaded(String name) { - return name; - } - - @Override - public RuntimeConfig apply(RuntimeConfig config) { - super.apply(config); - - setLocale(config.locale); - - if (config.id == null) { - config.id = NameGenerator.getName(); - } - - if (config.logLevel != null) { - setLogLevel(config.logLevel); - } - - if (config.virtual != null) { - info("setting virtual to %b", config.virtual); - setAllVirtual(config.virtual); - } - - // APPLYING A RUNTIME CONFIG DOES NOT PROCESS THE REGISTRY - // USE startConfig(name) - - broadcastState(); - return config; - } - - /** - * release the current config - */ - static public void releaseConfig() { - String currentConfigPath = Runtime.getInstance().getConfigName(); - if (currentConfigPath != null) { - releaseConfigPath(currentConfigPath); - } - } - - /** - * wrapper - * - * @param configName - */ - static public void releaseConfig(String configName) { - setConfig(configName); - releaseConfigPath(Runtime.getInstance().getConfigName()); - } - - /** - * Release a configuration set - this depends on a runtime file - and it will - * release all the services defined in it, with the exception of the originally - * started services - * - * @param configPath config set to release - * - */ - static public void releaseConfigPath(String configPath) { - try { - String filename = ROOT_CONFIG_DIR + fs + Runtime.getInstance().getConfigName() + fs + "runtime.yml"; - String releaseData = FileIO.toString(new File(filename)); - RuntimeConfig config = CodecUtils.fromYaml(releaseData, RuntimeConfig.class); - List registry = config.getRegistry(); - Collections.reverse(Arrays.asList(registry)); - - // get starting services if any entered on the command line - // -s log Log webgui WebGui ... etc - these will be protected - List startingServices = new ArrayList<>(); - if (options.services.size() % 2 == 0) { - for (int i = 0; i < options.services.size(); i += 2) { - startingServices.add(options.services.get(i)); - } - } - - for (String name : registry) { - if (startingServices.contains(name)) { - continue; - } - release(name); - } - } catch (Exception e) { - Runtime.getInstance().error("could not release %s", configPath); - } - } - - public static String getConfigRoot() { - return ROOT_CONFIG_DIR; - } - - /** - * wrapper for saveConfigPath with default prefix path supplied - * - * @param configName - * @return - */ - static public boolean saveConfig(String configName) { - Runtime runtime = Runtime.getInstance(); - if (configName == null) { - runtime.error("saveConfig require a name cannot be null"); - return false; - } - boolean ret = runtime.saveService(configName, null, null); - runtime.broadcastState(); - return ret; - } - - /** - * - * Saves the current runtime, all services and all configuration for each - * service in the current "config path", if the config path does not exist will - * error - * - * @param configName - config set name if null defaults to default - * @param serviceName - service name if null defaults to saveAll - * @param filename - if not explicitly set - will be standard yml filename - * @return - true if all goes well - */ - public boolean saveService(String configName, String serviceName, String filename) { - try { - - if (configName == null) { - error("config name cannot be null"); - return false; - } - - setConfig(configName); - - String configPath = ROOT_CONFIG_DIR + fs + configName; - - // save running services - Set servicesToSave = new HashSet<>(); - - // conditional boolean to flip and save a config name to start.yml ? - if (startYml.enable) { - startYml.config = configName; - FileIO.toFile("start.yml", CodecUtils.toYaml(startYml)); - } - - if (serviceName == null) { - // all services - servicesToSave = getLocalServices().keySet(); - } else { - // single service - servicesToSave.add(serviceName); - } - - for (String s : servicesToSave) { - ServiceInterface si = getService(s); - // TODO - switch to save "NON FILTERED" config !!!! - // get filtered clone of config for saving - ServiceConfig config = si.getFilteredConfig(); - String data = CodecUtils.toYaml(config); - String ymlFileName = configPath + fs + CodecUtils.getShortName(s) + ".yml"; - FileIO.toFile(ymlFileName, data.getBytes()); - info("saved %s", ymlFileName); - } - - invoke("publishConfigList"); - return true; - - } catch (Exception e) { - error(e); - } - return false; - } - - public String getConfigName() { - return configName; - } - - public boolean isProcessingConfig() { - return processingConfig; - } - - /** - * Sets the directory for the current config. This will be under configRoot + fs - * + configName. Static wrapper around setConfigName - so it can be used in the - * same way as all the other common static service methods - * - * @param name - config dir name under data/config/{config} - * @return config dir name - */ - public static String setConfig(String name) { - if (name == null) { - log.error("config cannot be null"); - if (runtime != null) { - runtime.error("config cannot be null"); - } - return null; - } - - if (name.contains(fs)) { - log.error("invalid character " + fs + " in configuration name"); - if (runtime != null) { - runtime.error("invalid character " + fs + " in configuration name"); - } - return name; - } - - configName = name.trim(); - - File configDir = new File(ROOT_CONFIG_DIR + fs + name); - if (!configDir.exists()) { - configDir.mkdirs(); - } - - if (runtime != null) { - runtime.invoke("publishConfigList"); - runtime.invoke("getConfigName"); - } - - return configName; - } - - public String deleteConfig(String configName) { - - File trashDir = new File(DATA_DIR + fs + "trash"); - if (!trashDir.exists()) { - trashDir.mkdirs(); - } - - File configDir = new File(ROOT_CONFIG_DIR + fs + configName); - // Create a new directory in the trash with a timestamp to avoid name conflicts - File trashTargetDir = new File(trashDir, configName + "_" + System.currentTimeMillis()); - try { - // Use Files.move to move the directory atomically - Files.move(configDir.toPath(), trashTargetDir.toPath(), StandardCopyOption.REPLACE_EXISTING); - log.info("Config moved to trash: " + trashTargetDir.getAbsolutePath()); - invoke("publishConfigList"); - } catch (IOException e) { - error("Failed to move config directory to trash: " + e.getMessage()); - return null; // Return null or throw a custom exception to indicate failure - } - - return configName; - } - - // FIXME - move this to service and add default (no servicename) method - // signature - @Deprecated /* - * I don't think this was a good solution - to handle interface lists in the js - * client - the js runtime should register for lifecycle events, the individiual - * services within that js runtime should only have local event handling to - * change attach lists - */ - public void registerForInterfaceChange(String requestor, Class interestedInterface) { - registerForInterfaceChange(interestedInterface.getCanonicalName()); - } - - /** - * Builds the requestedAttachMatrix which is a mapping between new types and - * their requested interfaces - interfaces they are interested in. - * - * This data should be published whenever new "Type" definitions are found - * - * @param targetedInterface - interface this add new interface to requested - * interfaces - add current names of services which - * fulfill that interface "IS ASKING" - * - */ - public void registerForInterfaceChange(String targetedInterface) { - // boolean changed - Set namesForRequestedInterface = interfaceToNames.get(targetedInterface); - if (namesForRequestedInterface == null) { - namesForRequestedInterface = new HashSet<>(); - interfaceToNames.put(targetedInterface, namesForRequestedInterface); - } - - // search through interfaceToType to find all types that implement this - // interface - - if (interfaceToType.containsKey(targetedInterface)) { - Set types = interfaceToType.get(targetedInterface); - if (types != null) { - for (String type : types) { - Set names = typeToNames.get(type); - namesForRequestedInterface.addAll(names); - } - } - } - invoke("publishInterfaceToNames"); - } - - /** - * Published whenever a new service type definition if found - * - * @return - */ - public Map> publishInterfaceTypeMatrix() { - return interfaceToType; - } - - public Map> publishInterfaceToNames() { - return interfaceToNames; - } - - static public Plan saveDefault(String className) { - try { - Runtime runtime = Runtime.getInstance(); - return runtime.saveDefault(className.toLowerCase(), className); - } catch (Exception e) { - log.error("saving default config failed", e); - } - return null; - } - - /** - * Helper method - returns if a service is started - * - * @param name - name of service - * @return - true if started - */ - static public boolean isStarted(String name) { - String fullname = null; - if (name == null) { - return false; - } - if (!name.contains("@")) { - fullname = name + "@" + Runtime.getInstance().getId(); - } else { - fullname = name; - } - if (registry.containsKey(fullname)) { - ServiceInterface si = registry.get(fullname); - return si.isRunning(); - } - - return false; - } - - /** - * Load all configuration files from a given directory. - * - * @param configPath The directory to load from - */ - public static void loadConfigPath(String configPath) { - - Runtime.setConfig(configPath); - Runtime runtime = Runtime.getInstance(); - - String configSetDir = runtime.getConfigName() + fs + runtime.getConfigName(); - File check = new File(configSetDir); - if (configPath == null || configPath.isEmpty() || !check.exists() || !check.isDirectory()) { - runtime.error("config set %s does not exist or is not a directory", check.getAbsolutePath()); - return; - } - - File[] configFiles = check.listFiles(); - runtime.info("%d config files found", configFiles.length); - for (File f : configFiles) { - if (!f.getName().toLowerCase().endsWith(".yml")) { - log.info("{} - none yml file found in config set", f.getAbsolutePath()); - } else { - runtime.loadFile(f.getAbsolutePath()); - } - } - } - - /** - * Load a service from a file - * - * @param path The full path of the file to load - this DOES NOT set the - * configPath - */ - public void loadFile(String path) { - try { - File f = new File(path); - if (!f.exists() || f.isDirectory()) { - error("loadFile cannot load %s - it does not exist", path); - return; - } - String name = f.getName().substring(0, f.getName().length() - 4); - ServiceConfig sc = CodecUtils.readServiceConfig(path); - loadService(new Plan("runtime"), name, sc.type, true, 0); - } catch (Exception e) { - error("loadFile requirese"); - } - } - - final public Plan getDefault(String name, String type) { - return ServiceConfig.getDefault(new Plan("runtime"), name, type); - } - - final public Plan saveDefault(String name, String type) { - return saveDefault(name, name, type, false); - } - - final public Plan saveDefault(String name, String type, boolean fullPlan) { - return saveDefault(name, name, type, fullPlan); - } - - final public Plan saveDefault(String configName, String name, String type, boolean fullPlan) { - - Plan plan = ServiceConfig.getDefault(new Plan(name), name, type); - String configPath = ROOT_CONFIG_DIR + fs + configName; - - if (!fullPlan) { - try { - String filename = configPath + fs + name + ".yml"; - ServiceConfig sc = plan.get(name); - String yaml = CodecUtils.toYaml(sc); - FileIO.toFile(filename, yaml); - info("saved %s", filename); - } catch (IOException e) { - error(e); - } - } else { - for (String service : plan.keySet()) { - try { - String filename = configPath + fs + service + ".yml"; - ServiceConfig sc = plan.get(service); - String yaml = CodecUtils.toYaml(sc); - FileIO.toFile(filename, yaml); - info("saved %s", filename); - } catch (IOException e) { - error(e); - } - } - } - return plan; - } - - public void savePlan(String name, String type) { - saveDefault(name, type, true); - } - - public void saveAllDefaults() { - saveAllDefaults(new File(getResourceDir()).getParent(), false); - } - - public void saveAllDefaults(String configPath, boolean fullPlan) { - List types = serviceData.getAvailableServiceTypes(); - for (MetaData meta : types) { - saveDefault(configPath + fs + meta.getSimpleName(), meta.getSimpleName().toLowerCase(), - meta.getSimpleName(), fullPlan); - } - } - - /** - * Get current runtime's config path - * - * @return - */ - public String getConfigPath() { - return ROOT_CONFIG_DIR + fs + configName; - } - - /** - * Gets a {serviceName}.yml file config from configName directory - * - * @param configName - * @param serviceName - * @return ServiceConfig - */ - public ServiceConfig getConfig(String configName, String serviceName) { - return readServiceConfig(configName, serviceName); - } - - /** - * Get a {serviceName}.yml file in the current config directory - * - * @param serviceName - * @return - */ - public ServiceConfig getConfig(String serviceName) { - return readServiceConfig(serviceName); - } - - /** - * Save a config with a new Config - * - * @param name - * @param serviceConfig - * @throws IOException - */ - public static void saveConfig(String name, ServiceConfig serviceConfig) throws IOException { - String file = Runtime.ROOT_CONFIG_DIR + fs + runtime.getConfigName() + fs + name + ".yml"; - FileIO.toFile(file, CodecUtils.toYaml(serviceConfig)); - } - - /** - * get the service's peer config - * - * @param serviceName - * @param peerKey - * @return - */ - public ServiceConfig getPeerConfig(String serviceName, String peerKey) { - ServiceConfig sc = runtime.getConfig(serviceName); - if (sc == null) { - return null; - } - Peer peer = sc.getPeer(peerKey); - return runtime.getConfig(peer.name); - } - - /** - * Switches a service's .yml type definition while replacing the set of - * listeners to preserver subscriptions. Useful when switching services that - * support the same interface like SpeechSynthesis services etc. - * - * @param serviceName - * @param type - * @return - */ - public boolean changeType(String serviceName, String type) { - try { - ServiceConfig sc = getConfig(serviceName); - if (sc == null) { - error("could not find %s config", serviceName); - return false; - } - // get target - Plan targetPlan = getDefault(serviceName, type); - if (targetPlan == null || targetPlan.get(serviceName) == null) { - error("%s null", type); - return false; - } - ServiceConfig target = targetPlan.get(serviceName); - // replacing listeners - target.listeners = sc.listeners; - saveConfig(serviceName, target); - return true; - } catch (Exception e) { - error("could not save %s of type %s", serviceName, type); - return false; - } - } - - /** - * Get a peer's config - * - * @param sericeName - * @param peerKey - * @return - */ - public ServiceConfig getPeer(String sericeName, String peerKey) { - ServiceConfig sc = getConfig(sericeName); - if (sc == null) { - return null; - } - Peer peer = sc.getPeer(peerKey); - if (peer == null) { - return null; - } - return getConfig(peer.name); - } - - /** - * Removes a config set and all its files - * - * @param configName - name of config - */ - public static void removeConfig(String configName) { - try { - log.info("removing config"); - - File check = new File(ROOT_CONFIG_DIR + fs + configName); - - if (check.exists()) { - Path pathToBeDeleted = Paths.get(check.getAbsolutePath()); - Files.walk(pathToBeDeleted).sorted(Comparator.reverseOrder()).map(Path::toFile).forEach(File::delete); - } - } catch (Exception e) { - log.error("removeConfig threw", e); - } - } +public class Runtime extends Service implements MessageListener, ServiceLifeCyclePublisher, RemoteMessageHandler, ConnectionManager, Gateway, LocaleProvider { + + final static private long serialVersionUID = 1L; + + // FIXME - AVOID STATIC FIELDS !!! use .getInstance() to get the singleton + + /** + * a registry of all services regardless of which environment they came from - + * each must have a unique name + */ + static volatile private Map registry = new TreeMap<>(); + + /** + * A plan is a request to runtime to change the system. Typically its to ask + * to start and configure new services. The master plan is an accumulation of + * all these requests. + */ + @Deprecated /* use the filesystem only no memory plan */ + protected final Plan masterPlan = new Plan("runtime"); + + /** + * thread for non-blocking install of services + */ + static private transient Thread installerThread = null; + + /** + * services which want to know if another service with an interface they are + * interested in registers or is released + * + * requestor type > interface > set of applicable service names + */ + protected final Map> interfaceToNames = new HashMap<>(); + + protected final Map> typeToNames = new HashMap<>(); + + protected final Map> interfaceToType = new HashMap<>(); + + protected final Map> typeToInterface = new HashMap<>(); + + private transient static final Object processLock = new Object(); + + /** + * FILTERED_INTERFACES are the set of low level interfaces which we are + * interested in filtering out if we want to maintain a data structure which + * has "interfaces of interest" + */ + protected final static Set FILTERED_INTERFACES = new HashSet<>(Arrays.asList("org.myrobotlab.framework.interfaces.Broadcaster", + "org.myrobotlab.service.interfaces.QueueReporter", "org.myrobotlab.framework.interfaces.ServiceQueue", "org.myrobotlab.framework.interfaces.MessageSubscriber", + "org.myrobotlab.framework.interfaces.Invoker", "java.lang.Runnable", "org.myrobotlab.framework.interfaces.ServiceStatus", "org.atmosphere.nettosphere.Handler", + "org.myrobotlab.framework.interfaces.NameProvider", "org.myrobotlab.framework.interfaces.NameTypeProvider", "org.myrobotlab.framework.interfaces.ServiceInterface", + "org.myrobotlab.framework.interfaces.TaskManager", "org.myrobotlab.framework.interfaces.LoggingSink", "org.myrobotlab.framework.interfaces.StatusPublisher", + "org.myrobotlab.framework.interfaces.TypeProvider", "java.io.Serializable", "org.myrobotlab.framework.interfaces.Attachable", + "org.myrobotlab.framework.interfaces.StateSaver", "org.myrobotlab.framework.interfaces.MessageSender", "java.lang.Comparable", + "org.myrobotlab.service.interfaces.ServiceLifeCycleListener", "org.myrobotlab.framework.interfaces.StatePublisher")); + + protected final Set serviceTypes = new HashSet<>(); + + /** + * The directory name currently being used for config. This is NOT full path + * name. It cannot be null, it cannot have "/" or "\" in the name - it has to + * be a valid file name for the OS. It's defaulted to "default". Changed often + */ + protected static String configName = "default"; + + /** + * The runtime config which Runtime was started with. This is the config which + * will be applied to Runtime when its created on startup. + */ + // protected static RuntimeConfig startConfig = null; + + /** + * State variable reporting if runtime is currently starting services from + * config. If true you can find which config from runtime.getConfigName() + */ + boolean processingConfig = false; + + /** + * 
+   * The set of client connections to this mrl instance Some of the connections
+   * are outbound to other webguis, others may be inbound if a webgui is
+   * listening in this instance. These details and many others (such as from
+   * which connection a client is from) is in the Map <String, Object> information.
+   * Since different connections have different requirements, and details regarding
+   * clients the only "fixed" required info to add a client is :
+   *
+   * uuid - key unique identifier for the client
+   * connection - name of the connection currently managing the clients connection
+   * state - state of the client and/or connection
+   * (lots more attributes with the Map<String, Object> to provide necessary data for the connection)
+   *
+ */ + protected final Map connections = new HashMap<>(); + + /** + * corrected route table with (soon to be regex ids) mapped to + * gateway/interfaces + */ + protected final RouteTable routeTable = new RouteTable(); + + static private final String RUNTIME_NAME = "runtime"; + + /** + * user's data directory + */ + static public final String DATA_DIR = "data"; + + /** + * default parent path of configPath static ! + */ + public final static String ROOT_CONFIG_DIR = DATA_DIR + fs + "config"; + + /** + * number of services created by this runtime + */ + protected Integer creationCount = 0; + + /** + * the local repo.json manifest of this machine, which is a list of all + * libraries ivy installed + */ + transient private IvyWrapper repo = null; // was transient abstract Repo + + transient private ServiceData serviceData = ServiceData.getLocalInstance(); + + /** + * command line options + */ + static CmdOptions options = new CmdOptions(); + + /** + * command line configuration + */ + static StartYml startYml = new StartYml(); + + /** + * the platform (local instance) for this runtime. It must be a non-static as + * multiple runtimes will have different platforms + */ + protected Platform platform = null; + + private static long uniqueID = new Random(System.currentTimeMillis()).nextLong(); + + public final static Logger log = LoggerFactory.getLogger(Runtime.class); + + /** + * Object used to synchronize initializing this singleton. + */ + transient private static final Object INSTANCE_LOCK = new Object(); + + /** + * The singleton of this class. + */ + transient private static Runtime runtime = null; + + private List jvmArgs; + + /** + * set of known hosts + */ + private transient Map hosts = null; + + /** + * global startingArgs - whatever came into main each runtime will have its + * individual copy + */ + // FIXME - remove static !!! + static String[] globalArgs; + + static Set networkPeers = null; + + /** + * The name of the folder used to store native library dependencies during + * installation and runtime. + */ + private static final String LIBRARIES = "libraries"; + + String stdCliUuid = null; + + InProcessCli cli = null; + + /** + * available Locales + */ + protected Map locales; + + protected List configList; + + /** + * Wraps {@link java.lang.Runtime#availableProcessors()}. + * + * @return the number of processors available to the Java virtual machine. + * @see java.lang.Runtime#availableProcessors() + * + */ + public static final int availableProcessors() { + return java.lang.Runtime.getRuntime().availableProcessors(); + } + + /** + * Function to test if internet connectivity is available. If it is, will + * return the public gateway address of this computer by sending a request to + * an external server. If there is no internet, returns null. + * + * @return The public IP address or null if no internet available + */ + static public String getPublicGateway() { + try { + + URL url = new URL("http://checkip.amazonaws.com/"); + HttpURLConnection con = (HttpURLConnection) url.openConnection(); + con.setRequestMethod("GET"); + + int status = con.getResponseCode(); + log.info("status " + status); + + String gateway = FileIO.toString(con.getInputStream()); + return gateway; + + } catch (Exception e) { + log.warn("internet not available"); + } + return null; + } + + /** + * Create which only has name (no type). This is only possible, if there is an + * appropriately named service config in the Plan (in memory) or (more + * commonly) on the filesystem. Since ServiceConfig comes with type + * information, a name is all that is needed to start the service. + * + * @param name + * @return + */ + static public ServiceInterface create(String name) { + return create(name, null); + } + + /** + * Create create(name, type) goes through the full service lifecycle of: + * + * 
+   * clear - clearing the plan for construction of service(s) needed 
+   * load  - loading the plan for desired services 
+   * check - checking all planned service have met appropriate licensing and dependency checks create -
+   *
+ * + * @param name + * - Required, cannot be null + * @param type + * - Can be null if a service file exists for named service + * @return the service + */ + static public ServiceInterface create(String name, String type) { + + synchronized (processLock) { + + try { + ServiceInterface si = Runtime.getService(name); + if (si != null) { + return si; + } + + Plan plan = Runtime.load(name, type); + Runtime.check(name, type); + // at this point - the plan should be loaded, now its time to create the + // children peers + // and parent service + createServicesFromPlan(plan, null, name); + si = Runtime.getService(name); + if (si == null) { + Runtime.getInstance().error("coult not create %s of type %s", name, type); + } + return si; + } catch (Exception e) { + runtime.error(e); + } + return null; + } + } + + /** + * Creates all services necessary for this service - "all peers" and the + * parent service too. At this point all type information and configuration + * should be defined in the plan. + * + * FIXME - should Plan be passed in as param ? + * + * @param name + * @return + */ + private static Map createServicesFromPlan(Plan plan, Map createdServices, String name) { + + synchronized (processLock) { + + if (createdServices == null) { + createdServices = new LinkedHashMap<>(); + } + + // Plan's config + RuntimeConfig plansRtConfig = (RuntimeConfig) plan.get("runtime"); + // current Runtime config + RuntimeConfig currentConfig = Runtime.getInstance().config; + + for (String service : plansRtConfig.getRegistry()) { + ServiceConfig sc = plan.get(service); + if (sc == null) { + runtime.error("could not get %s from plan", service); + continue; + } + ServiceInterface si = createService(service, sc.type, null); + // process the base listeners/subscription of ServiceConfig + si.addConfigListeners(sc); + if (si instanceof ConfigurableService) { + try { + ((ConfigurableService) si).apply(sc); + } catch (Exception e) { + Runtime.getInstance().error("could not apply config of type %s to service %s, using default config", sc.type, si.getName(), sc.type); + } + } + createdServices.put(service, si); + currentConfig.add(service); + } + + return createdServices; + } + } + + public String getServiceExample(String serviceType) { + String url = "https://raw.githubusercontent.com/MyRobotLab/myrobotlab/develop/src/main/resources/resource/" + serviceType + "/" + serviceType + ".py"; + byte[] bytes = Http.get(url); + if (bytes != null) { + return new String(bytes); + } + return ""; + } + + public static String getPeerName(String peerKey, ServiceConfig config, Map peers, String parentName) { + + if (peerKey == null || !peers.containsKey(peerKey)) { + return null; + } + + if (config != null) { + + // dynamically get config peer name + // e.g. tilt should be a String value in config.tilt + Field[] fs = config.getClass().getDeclaredFields(); + for (Field f : fs) { + if (peerKey.equals(f.getName())) { + if (f.canAccess(config)) { + Object o; + try { + o = f.get(config); + + if (o == null) { + // config "has" the field, just set to null at the moment + // peer actual name then will be default notation + if (parentName != null) { + return String.format("%s.%s", parentName, peerKey); + } + log.warn("config has field named {} but it's null", peerKey); + return null; + } + + if (o instanceof String) { + return (String) o; + } else { + log.error("config has field named {} but it is not a string", peerKey); + break; + } + } catch (Exception e) { + log.error("getting access to field threw", e); + } + + } else { + log.error("config with field name {} but cannot access it", peerKey); + } + } + } + } + // last ditch attempt at getting the name - will default it if parentName is + // supplied + if (parentName != null) { + return String.format("%s.%s", parentName, peerKey); + } + return null; + } + + public static void check(String name, String type) { + log.info("check - implement - dependencies and licensing"); + // iterate through plan - check dependencies and licensing + } + + /** + * Use {@link #start(String, String)} instead. + * + * @param name + * Name of service + * @param type + * Type of service + * @return Created service + */ + @Deprecated /* use start */ + static public ServiceInterface createAndStart(String name, String type) { + return start(name, type); + } + + /** + * creates and starts services from a cmd line object + * + * @param services + * - services to be created + */ + public final static void createAndStartServices(List services) { + + if (services == null) { + log.error("createAndStartServices(null)"); + return; + } + + log.info("services {}", Arrays.toString(services.toArray())); + + if (services.size() % 2 == 0) { + + for (int i = 0; i < services.size(); i += 2) { + String name = services.get(i); + String type = services.get(i + 1); + + log.info("attempting to invoke : {} of type {}", name, type); + + ServiceInterface s = Runtime.create(name, type); + + if (s != null) { + try { + s.startService(); + } catch (Exception e) { + runtime.error(e.getMessage()); + Logging.logError(e); + } + } else { + runtime.error(String.format("could not create service %s %s", name, type)); + } + + } + return; + } + Runtime.mainHelp(); + shutdown(); + } + + /** + * Setting the runtime virtual will set the platform virtual too. All + * subsequent services will be virtual + */ + @Override + public boolean setVirtual(boolean b) { + boolean changed = config.virtual != b; + config.virtual = b; + isVirtual = b; + setAllVirtual(b); + if (changed) { + broadcastState(); + } + return b; + } + + /** + * Sets all services' virtual state to {@code b}. This allows a single call to + * enable or disable virtualization across all services. + * + * @param b + * Whether all services should be virtual or not + * @return b + */ + static public boolean setAllVirtual(boolean b) { + for (ServiceInterface si : getServices()) { + if (!si.isRuntime()) { + si.setVirtual(b); + } + } + Runtime.getInstance().config.virtual = b; + Runtime.getInstance().broadcastState(); + return b; + } + + /** + * Sets the enable value in start.yml. start.yml is a file which can control + * the automatic loading of config. In general when its on, and a config is + * selected and saved, the next time Runtime starts it will attempt to load + * the last saved config and get the user back to their last state. + * + * @param autoStart + * @throws IOException + * - thrown if cannot write file to filesystem + */ + public void setAutoStart(boolean autoStart) throws IOException { + log.debug("setAutoStart {}", autoStart); + startYml.enable = autoStart; + startYml.config = configName; + FileIO.toFile("start.yml", CodecUtils.toYaml(startYml)); + invoke("getStartYml"); + } + + /** + * Framework owned method - core of creating a new service. This method will + * create a service with the given name and of the given type. If the type + * does not contain any dots, it will be assumed to be in the + * {@code org.myrobotlab.service} package. This method can currently only + * instantiate Java services, but in the future it could be enhanced to call + * native service runtimes. + *

+ * The name parameter must not contain '/' or '@'. Thus, a full name must be + * split into its first and second part, passing the first in as the name and + * the second as the inId. This method will log an error and return null if + * name contains either of those two characters. + *

+ * The {@code inId} is used to determine whether the service is a local one or + * a remote proxy. It should equal the Runtime ID of the MyRobotLab instance + * the service was originally instantiated under. + * + * @param name + * May not contain '/' or '@', i.e. cannot be a full name + * @param type + * The type of the new service + * @param inId + * The ID of the runtime the service is linked to. + * @return An existing service if the requested name and type match, otherwise + * a newly created service. If the name is null, or it contains '@' or + * '/', or a service with the same name exists but has a different + * type, will return null instead. + */ + static private ServiceInterface createService(String name, String type, String inId) { + synchronized (processLock) { + log.info("Runtime.createService {}", name); + + if (name == null) { + runtime.error("service name cannot be null"); + + return null; + } + + if (name.contains("@") || name.contains("/")) { + runtime.error("service name cannot contain '@' or '/': {}", name); + + return null; + } + + String fullName; + if (inId == null || inId.equals("")) + fullName = getFullName(name); + else + fullName = String.format("%s@%s", name, inId); + + if (type == null) { + ServiceConfig sc; + try { + sc = CodecUtils.readServiceConfig(runtime.getConfigName() + fs + name + ".yml"); + } catch (IOException e) { + runtime.error("could not find type for service %s", name); + return null; + } + if (sc != null) { + log.info("found type for {} in plan", name); + type = sc.type; + } else { + runtime.error("createService type not specified and could not get type for {} from plan", name); + return null; + } + } + + if (type == null) { + runtime.error("cannot create service {} no type in plan or yml file", name); + return null; + } + + String fullTypeName = CodecUtils.makeFullTypeName(type); + + ServiceInterface si = Runtime.getService(fullName); + if (si != null) { + if (!si.getTypeKey().equals(fullTypeName)) { + runtime.error("Service with name {} already exists but is of type {} while requested type is ", name, si.getTypeKey(), type); + return null; + } + return si; + } + + // DO NOT LOAD HERE !!! - doing so would violate the service life cycle ! + // only try to resolve type by the plan - if not then error out + + String id = (inId == null) ? Runtime.getInstance().getId() : inId; + if (name.length() == 0 || fullTypeName == null || fullTypeName.length() == 0) { + log.error("{} not a type or {} not defined ", fullTypeName, name); + return null; + } + + // TODO - test new create of existing service + ServiceInterface sw = Runtime.getService(String.format("%s@%s", name, id)); + if (sw != null) { + log.info("service {} already exists", name); + return sw; + } + + try { + + if (log.isDebugEnabled()) { + // TODO - determine if there have been new classes added from + // ivy --> Boot Classloader --> Ext ClassLoader --> System + // ClassLoader + // http://blog.jamesdbloom.com/JVMInternals.html + log.debug("ABOUT TO LOAD CLASS"); + log.debug("loader for this class " + Runtime.class.getClassLoader().getClass().getCanonicalName()); + log.debug("parent " + Runtime.class.getClassLoader().getParent().getClass().getCanonicalName()); + log.debug("system class loader " + ClassLoader.getSystemClassLoader()); + log.debug("parent should be null" + ClassLoader.getSystemClassLoader().getParent().getClass().getCanonicalName()); + log.debug("thread context " + Thread.currentThread().getContextClassLoader().getClass().getCanonicalName()); + log.debug("thread context parent " + Thread.currentThread().getContextClassLoader().getParent().getClass().getCanonicalName()); + } + + // FIXME - error if deps are missing - prompt license + // require restart ! + // FIXME - this should happen after inspecting the "loaded" "plan" not + // during the create/start/apply ! + + // create an instance + Object newService = Instantiator.getThrowableNewInstance(null, fullTypeName, name, id); + log.debug("returning {}", fullTypeName); + si = (ServiceInterface) newService; + + // si.setId(id); + if (Runtime.getInstance().getId().equals(id)) { + si.setVirtual(Runtime.getInstance().isVirtual()); + Runtime.getInstance().creationCount++; + si.setOrder(Runtime.getInstance().creationCount); + } + + if (runtime != null) { + + runtime.invoke("created", getFullName(name)); + + // add all the service life cycle subscriptions + // runtime.addListener("registered", name); + // runtime.addListener("created", name); + // runtime.addListener("started", name); + // runtime.addListener("stopped", name); + // runtime.addListener("released", name); + } + + return (Service) newService; + } catch (Exception e) { + log.error("createService failed for {}@{} of type {}", name, id, fullTypeName, e); + } + return null; + } + } + + static public Map>> getNotifyEntries() { + return getNotifyEntries(null); + } + + static public Map>> getNotifyEntries(String service) { + Map>> ret = new TreeMap>>(); + Map sorted = null; + if (service == null) { + sorted = getLocalServices(); + } else { + sorted = new HashMap(); + ServiceInterface si = Runtime.getService(service); + if (si != null) { + sorted.put(service, si); + } + } + for (Map.Entry entry : sorted.entrySet()) { + log.info(entry.getKey() + "/" + entry.getValue()); + List flks = entry.getValue().getNotifyListKeySet(); + Map> subret = new TreeMap>(); + for (String sn : flks) { + List mrllistners = entry.getValue().getNotifyList(sn); + subret.put(sn, mrllistners); + } + ret.put(entry.getKey(), subret); + } + return ret; + } + + /** + * Dumps {@link #registry} to a file called {@code registry.json} in JSON + * form. + * + * @return The registry in JSON form or null if an error occurred. + */ + public static String dump() { + try { + FileOutputStream dump = new FileOutputStream("registry.json"); + String reg = CodecUtils.toJson(registry); + dump.write(reg.getBytes()); + dump.close(); + return reg; + } catch (Exception e) { + log.error("dump threw", e); + } + return null; + } + + /** + * Wraps {@link java.lang.Runtime#gc()}. + * + * Runs the garbage collector. + */ + public static final void gc() { + java.lang.Runtime.getRuntime().gc(); + } + + /** + * Although "fragile" since it relies on a external source - its useful to + * find the external ip address of NAT'd systems + * + * @return external or routers ip + * @throws Exception + * e + */ + public static String getExternalIp() throws Exception { + URL whatismyip = new URL("http://checkip.amazonaws.com"); + BufferedReader in = null; + try { + in = new BufferedReader(new InputStreamReader(whatismyip.openStream())); + String ip = in.readLine(); + return ip; + } finally { + if (in != null) { + try { + in.close(); + } catch (IOException e) { + e.printStackTrace(); + } + } + } + } + + /** + * Wraps {@link java.lang.Runtime#freeMemory()}. + * + * @return the amount of free memory in the Java Virtual Machine. Calling the + * gc method may result in increasing the value returned by + * freeMemory. + * + * + */ + public static final long getFreeMemory() { + return java.lang.Runtime.getRuntime().freeMemory(); + } + + /** + * Get a handle to the Runtime singleton. + * + * @return the Runtime + */ + public static Runtime getInstance() { + if (runtime == null) { + synchronized (INSTANCE_LOCK) { + try { + + RuntimeConfig c = null; + if (runtime == null) { + c = ConfigUtils.loadRuntimeConfig(options); + runtime = (Runtime) createService(RUNTIME_NAME, "Runtime", c.id); + runtime.startService(); + // klunky + Runtime.register(new Registration(runtime)); + } + + runtime.locales = Locale.getDefaults(); + + runtime.getRepo().addStatusPublisher(runtime); + runtime.startService(); + // extract resources "if a jar" + FileIO.extractResources(); + runtime.startInteractiveMode(); + if (c != null) { + runtime.apply(c); + } + + if (options.services != null && options.services.size() != 0) { + log.info("command line services were specified"); + createAndStartServices(options.services); + } + + if (options.config != null) { + log.info("command line -c config was specified"); + Runtime.startConfig(options.config); + } + + if (startYml.enable && startYml.config != null) { + log.info("start.yml is enabled and config is {}", startYml.config); + Runtime.startConfig(startYml.config); + } + + } catch (Exception e) { + log.error("runtime getInstance threw", e); + } + } // synchronized lock + } + + return runtime; + } + + /** + * The jvm args which started this process + * + * @return all jvm args in a list + */ + static public List getJvmArgs() { + RuntimeMXBean runtimeMxBean = ManagementFactory.getRuntimeMXBean(); + return runtimeMxBean.getInputArguments(); + } + + /** + * gets all non-loopback, active, non-virtual ip addresses + * + * @return list of local ipv4 IP addresses + */ + static public List getIpAddresses() { + log.debug("getLocalAddresses"); + ArrayList ret = new ArrayList(); + + try { + Enumeration interfaces = NetworkInterface.getNetworkInterfaces(); + while (interfaces.hasMoreElements()) { + NetworkInterface current = interfaces.nextElement(); + // log.info(current); + if (!current.isUp() || current.isLoopback() || current.isVirtual()) { + log.debug("skipping interface is down, a loopback or virtual"); + continue; + } + Enumeration addresses = current.getInetAddresses(); + while (addresses.hasMoreElements()) { + InetAddress currentAddress = addresses.nextElement(); + + if (!(currentAddress instanceof Inet4Address)) { + log.debug("not ipv4 skipping"); + continue; + } + + if (currentAddress.isLoopbackAddress()) { + log.debug("skipping loopback address"); + continue; + } + log.debug(currentAddress.getHostAddress()); + ret.add(currentAddress.getHostAddress()); + } + } + } catch (Exception e) { + Logging.logError(e); + } + + if (ret.size() == 0) { + // if we don't have a "real" ip address - we always have home + ret.add("127.0.0.1"); + } + return ret; + } + + // What's the purpose of this? It doesn't return anything + static public void getNetInfo() { + try { + List local = getIpAddresses(); + String gateway = getPublicGateway(); + getNetworkPeers(); + } catch (Exception e) { + log.error("getNetInfo threw", e); + } + + } + + // TODO - add network to search + static public Set getNetworkPeers() throws UnknownHostException { + networkPeers = new TreeSet<>(); + // String myip = InetAddress.getLocalHost().getHostAddress(); + List myips = getIpAddresses(); // TODO - if nothing else - + // 127.0.0.1 + for (String myip : myips) { + if (myip.equals("127.0.0.1")) { + log.info("This PC is not connected to any network!"); + } else { + String testIp = null; + for (int i = myip.length() - 1; i >= 0; --i) { + if (myip.charAt(i) == '.') { + testIp = myip.substring(0, i + 1); + break; + } + } + + log.info("My Device IP: " + myip + "\n"); + log.info("Search log:"); + + for (int i = 1; i <= 254; ++i) { + try { + + InetAddress addr = InetAddress.getByName(testIp + new Integer(i).toString()); + + if (addr.isReachable(1000)) { + log.info("Available: " + addr.getHostAddress()); + networkPeers.add(addr.getHostAddress()); + } else { + log.info("Not available: " + addr.getHostAddress()); + } + + // TODO - check default port 8888 8887 + + } catch (IOException ioex) { + } + } + + log.info("found {} devices", networkPeers.size()); + + for (String device : networkPeers) { + log.info(device); + } + } + } + return networkPeers; + } + + static public List getApis() { + return CodecUtils.getApis(); + } + + // @TargetApi(9) + static public List getLocalHardwareAddresses() { + log.info("getLocalHardwareAddresses"); + ArrayList ret = new ArrayList(); + try { + Enumeration interfaces = NetworkInterface.getNetworkInterfaces(); + while (interfaces.hasMoreElements()) { + NetworkInterface current = interfaces.nextElement(); + byte[] mac = current.getHardwareAddress(); + + if (mac == null || mac.length == 0) { + continue; + } + + String m = StringUtil.bytesToHex(mac); + log.info("mac address : {}", m); + ret.add(m); + log.info("added mac"); + } + } catch (Exception e) { + log.error("getLocalHardwareAddresses threw", e); + } + + log.info("done"); + return ret; + } + + /** + * Gets a Map between service names and the service object of all services + * local to this MRL instance. + * + * @return A Map between service names and service objects + */ + public static Map getLocalServices() { + Map local = new HashMap<>(); + for (String serviceName : registry.keySet()) { + // FIXME @ should be a requirement of "all" entries for consistency + if (!serviceName.contains("@") || serviceName.endsWith(String.format("@%s", Runtime.getInstance().getId()))) { + local.put(serviceName, registry.get(serviceName)); + } + } + return local; + } + + /** + * FIXME - return + * + * @return filtering/query requests + */ + public static Map getLocalServicesForExport() { + return registry; + } + + /* + * FIXME - DEPRECATE - THIS IS NOT "instance" specific info - its Class + * definition info - Runtime should return based on ClassName + * + * FIXME - INPUT PARAMETER SHOULD BE TYPE NOT INSTANCE NAME !!!! + */ + public static Map getMethodMap(String inName) { + String serviceName = getFullName(inName); + if (!registry.containsKey(serviceName)) { + runtime.error(String.format("%1$s not in registry - can not return method map", serviceName)); + return null; + } + + ServiceInterface sw = registry.get(serviceName); + Class c = sw.getClass(); + + MethodCache cache = MethodCache.getInstance(); + return cache.getRemoteMethods(c.getTypeName()); + + } + + /** + * getServiceList returns the most important identifiers for a service which + * are it's process id, it's name, and it's type. + *

+ * This will be part of the getHelloRequest - and the first listing from a + * process of what services are available. + *

+ * TODO - future work would be to supply a query to the getServiceList(query) + * such that interfaces, types, or processes ids, can selectively be queried + * out of it + * + * @return list of registrations + */ + public List getServiceList() { + synchronized (processLock) { + return registry.values().stream().map(si -> new Registration(si.getId(), si.getName(), si.getTypeKey())).collect(Collectors.toList()); + } + } + + // FIXME - scary function - returns private data + public static Map getRegistry() { + return registry;// FIXME should return copy + } + + public static ServiceInterface getService(String inName) { + return getService(inName, new StaticType<>() { + }); + } + + public static > S getConfigurableService(String inName, StaticType serviceType) { + return getService(inName, serviceType); + } + + /** + * Gets a running service with the specified name. If the name is null or + * there's no such service with the specified name, returns null instead. + * + * @param inName + * The name of the service + * @return The service if it exists, or null + */ + @SuppressWarnings("unchecked") + public static S getService(String inName, StaticType serviceType) { + if (inName == null) { + return null; + } + + String name = getFullName(inName); + + if (!registry.containsKey(name)) { + return null; + } else { + return (S) registry.get(name); + } + } + + /** + * @return all service names in an array form + * + * + */ + static public String[] getServiceNames() { + Set ret = registry.keySet(); + String[] services = new String[ret.size()]; + if (ret.size() == 0) { + return services; + } + + // if there are more than 0 services we need runtime + // to filter to make sure they are "local" + // and this requires a runtime service + String localId = Runtime.getInstance().getId(); + int cnt = 0; + for (String fullname : ret) { + if (fullname.endsWith(String.format("@%s", localId))) { + services[cnt] = CodecUtils.getShortName(fullname); + } else { + services[cnt] = fullname; + } + ++cnt; + } + return services; + } + + // Is it a good idea to modify all regex inputs? For example, if the pattern + // already contains ".?" then the replacement will result in "..?" + // If POSIX-style globs are desired there are different + // pattern matching engines designed for that + public static boolean match(String text, String pattern) { + return text.matches(pattern.replace("?", ".?").replace("*", ".*?")); + } + + public static List getServiceNames(String pattern) { + return getServices().stream().map(NameProvider::getName).filter(serviceName -> match(serviceName, pattern)).collect(Collectors.toList()); + } + + /** + * @param interfaze + * the interface + * @return a list of service names that implement the interface + * @throws ClassNotFoundException + * if the class for the requested interface is not found. + * + */ + public static List getServiceNamesFromInterface(String interfaze) throws ClassNotFoundException { + if (!interfaze.contains(".")) { + interfaze = "org.myrobotlab.service.interfaces." + interfaze; + } + + return getServiceNamesFromInterface(Class.forName(interfaze)); + } + + /** + * @param interfaze + * interface + * @return list of service names + * + */ + public static List getServiceNamesFromInterface(Class interfaze) { + return getServicesFromInterface(interfaze).stream().map(ServiceInterface::getFullName).collect(Collectors.toList()); + } + + /** + * Get all currently-running services + * + * @return A list of all currently-running services + */ + public static List getServices() { + return getServices(null); + } + + /** + * Get all services that belong to an MRL instance with the given ID. + * + * @param id + * The ID of the MRL instance + * @return A list of the services that belong to the given MRL instance + */ + public static List getServices(String id) { + if (id == null) { + return new ArrayList(registry.values()); + } + + List list = new ArrayList<>(); + // otherwise we are getting services of an instance + + for (String serviceName : registry.keySet()) { + ServiceInterface si = registry.get(serviceName); + if (si.getId().equals(id)) { + list.add(registry.get(serviceName)); + } + } + return list; + } + + /** + * @param interfaze + * interface + * @return results + * + */ + public ServiceTypeNameResults getServiceTypeNamesFromInterface(String interfaze) { + ServiceTypeNameResults results = new ServiceTypeNameResults(interfaze); + try { + + if (!interfaze.contains(".")) { + interfaze = "org.myrobotlab.service.interfaces." + interfaze; + } + + ServiceData sd = ServiceData.getLocalInstance(); + + List sts = sd.getServiceTypes(); + + for (MetaData st : sts) { + + Set> ancestry = new HashSet<>(); + Class targetClass = Class.forName(st.getType()); // this.getClass(); + + while (targetClass.getCanonicalName().startsWith("org.myrobotlab") && !targetClass.getCanonicalName().startsWith("org.myrobotlab.framework")) { + ancestry.add(targetClass); + targetClass = targetClass.getSuperclass(); + } + + for (Class c : ancestry) { + Class[] interfaces = Class.forName(c.getName()).getInterfaces(); + for (Class inter : interfaces) { + if (interfaze.equals(inter.getName())) { + results.serviceTypes.add(st.getType()); + break; + } + } + } + } + + } catch (Exception e) { + error("could not find interfaces for %s - %s %s", interfaze, e.getClass().getSimpleName(), e.getMessage()); + log.error("getting class", e); + } + + return results; + } + + /** + * return a list of services which are currently running and implement a + * specific interface + * + * @param interfaze + * class + * @return list of service interfaces + * + */ + // FIXME !!! - use single implementation that gets parents + @Deprecated /* + * no longer used or needed - change events are pushed no longer + * pulled <-- Over complicated solution + */ + public static List getServicesFromInterface(Class interfaze) { + synchronized (processLock) { + List ret = new ArrayList(); + + for (String service : getServiceNames()) { + Class clazz = getService(service).getClass(); + while (clazz != null) { + for (Class inter : clazz.getInterfaces()) { + if (inter.getName().equals(interfaze.getName())) { + ret.add(getService(service)); + continue; + } + } + clazz = clazz.getSuperclass(); + } + } + return ret; + } + } + + /** + * Because startYml is required to be a static variable, since it's needed + * "before" a runtime instance exists it will be null in json serialization. + * This method is needed so we can serialize the data appropriately. + * + * @return + */ + static public StartYml getStartYml() { + return startYml; + } + + /** + * Gets the set of all threads currently running. + * + * @return A set containing thread objects representing all running threads + */ + static public Set getThreads() { + return Thread.getAllStackTraces().keySet(); + } + + /** + * Wraps {@link java.lang.Runtime#totalMemory()}. + * + * @return The amount of memory available to the JVM in bytes. + */ + public static final long getTotalMemory() { + + return java.lang.Runtime.getRuntime().totalMemory(); + } + + /** + * FIXME - terrible use a uuid + * + * unique id's are need for sendBlocking - to uniquely identify the message + * this is a method to support that - it is unique within a process, but not + * across processes + * + * @return a unique id + */ + public static final synchronized long getUniqueID() { + ++uniqueID; + return System.currentTimeMillis(); + } + + /** + * Get how long this MRL instance has been running in human-readable String + * form. + * + * @return The uptime of this instance. + */ + public static String getUptime() { + Date now = new Date(); + Platform platform = Platform.getLocalInstance(); + String uptime = getDiffTime(now.getTime() - platform.getStartTime().getTime()); + log.info("up for {}", uptime); + return uptime; + } + + public static String getPlatformInfo() { + Platform platform = Platform.getLocalInstance(); + StringBuilder sb = new StringBuilder(); + sb.append(platform.getHostname()); + sb.append(" "); + sb.append(platform.getOS()); + sb.append(" "); + sb.append(platform.getArch()); + sb.append("."); + sb.append(platform.getOsBitness()); + + sb.append(" Java "); + sb.append(platform.getVmVersion()); + sb.append(" "); + sb.append(platform.getVMName()); + + return sb.toString(); + } + + /** + * Get a human-readable String form of a difference in time in milliseconds. + * + * @param diff + * The difference of time in milliseconds + * @return The human-readable string form of the difference in time + */ + public static String getDiffTime(long diff) { + + long diffSeconds = diff / 1000 % 60; + long diffMinutes = diff / (60 * 1000) % 60; + long diffHours = diff / (60 * 60 * 1000) % 24; + long diffDays = diff / (24 * 60 * 60 * 1000); + + StringBuffer sb = new StringBuffer(); + sb.append(diffDays).append(" days ").append(diffHours).append(" hours ").append(diffMinutes).append(" minutes ").append(diffSeconds).append(" seconds"); + return sb.toString(); + + } + + /** + * Get version returns the current version of mrl. It must be done this way, + * because the version may be queried on the command line without the desire + * to start a "Runtime" + * + * @return the version of the running platform instance + * + */ + public static String getVersion() { + return Platform.getLocalInstance().getVersion(); + } + + /** + * Get the latest version number of MRL in String form by querying the public + * build server. If it cannot be contacted, this method returns the String + * {@code "unknown"}. + * + * @return The latest build version in String form + */ + public static String getLatestVersion() { + String latest = "https://build.myrobotlab.org:8443/job/myrobotlab/job/develop/lastSuccessfulBuild/buildNumber"; + byte[] b = Http.get(latest); + String version = (b == null) ? "unknown" : "1.1." + new String(b); + return version; + } + + // FIXME - shouldn't this be in platform ??? + + /** + * Get the branch that this installation was built from. + * + * @return The branch + * @see Platform#getBranch() + */ + public static String getBranch() { + return Platform.getLocalInstance().getBranch(); + } + + /** + * Install all services + * + * @throws ParseException + * Unknown + * @throws IOException + * Unknown + */ + // TODO: Check throws list to see if these are still thrown + static public void install() throws ParseException, IOException { + install(null, null); + } + + /** + * Install specified service. + * + * @param serviceType + * Service to install + */ + static public void install(String serviceType) { + install(serviceType, null); + } + + /** + * Maximum complexity install - allows for blocking and non-blocking install. + * During typically runtime install of services - non blocking is desired, + * otherwise status info from the install is blocked until installation is + * completed. For command line installation "blocking" mode would be desired + * + * FIXME - problematic in that Runtime.create calls this directly, and this + * should be stepped through, because: If we need to install new components, a + * restart is likely needed ... we don't do custom dynamic classloaders .... + * yet + * + * License - should be appropriately accepted or rejected by user + * + * @param serviceType + * the service tyype to install + * @param blocking + * if this should block until done. + * + */ + static public void install(String serviceType, Boolean blocking) { + synchronized (processLock) { + Runtime r = getInstance(); + + if (blocking == null) { + blocking = false; + } + + if (installerThread != null) { + log.error("another request to install dependencies, 1st request has not completed"); + return; + } + + installerThread = new Thread() { + @Override + public void run() { + try { + if (serviceType == null) { + r.getRepo().install(); + } else { + r.getRepo().install(serviceType); + } + } catch (Exception e) { + r.error("dependencies failed - install error", e); + throw new RuntimeException(String.format("dependencies failed - install error %s", e.getMessage())); + } + } + }; + + if (blocking) { + installerThread.run(); + } else { + installerThread.start(); + } + + installerThread = null; + } + } + + /** + * Invoke a service method. The parameter must not be null and must have at + * least 2 elements. The first is the service name and the second is the + * service method. The rest of the elements are parameters to the specified + * method. + * + * @param invoke + * The array of service name, method, and parameters + */ + static public void invokeCommands(String[] invoke) { + + if (invoke.length < 2) { + log.error("invalid invoke request, minimally 2 parameters are required: --invoke service method ..."); + return; + } + + String name = invoke[0]; + String method = invoke[1]; + + // params + Object[] data = new Object[invoke.length - 2]; + for (int i = 2; i < invoke.length; ++i) { + data[i - 2] = invoke[i]; + } + + log.info("attempting to invoke : {}.{}({})\n", name, method, Arrays.toString(data)); + getInstance().send(name, method, data); + } + + /** + * Checks if a service is local to this MRL instance. The service must exist. + * + * @param serviceName + * The name of the service to check + * @return Whether the specified service is local or not + */ + public static boolean isLocal(String serviceName) { + ServiceInterface sw = getService(serviceName); + return Objects.equals(sw.getId(), Runtime.getInstance().getId()); + } + + /* + * check if class is a Runtime class + * + * @return true if class == Runtime.class + */ + public static boolean isRuntime(Service newService) { + return newService.getClass().equals(Runtime.class); + } + + /** + * Start interactive mode on {@link System#in} and {@link System#out}. + * + * @see #startInteractiveMode(InputStream, OutputStream) + */ + public void startInteractiveMode() { + startInteractiveMode(System.in, System.out); + } + + /** + * Starts an interactive CLI on the specified input and output streams. The + * CLI command processor runs in its own thread and takes commands according + * to the CLI API. + * + * FIXME - have another shell script which starts jar as ws client with cli + * interface Remove this std in/out - it is overly complex and different OSs + * handle it differently Windows Java updates have broken it several times + * + * @param in + * The input stream to take commands from + * @param out + * The output stream to print command output to + * @return The constructed CLI processor + */ + public InProcessCli startInteractiveMode(InputStream in, OutputStream out) { + if (cli != null) { + log.info("already in interactive mode"); + return cli; + } + + cli = new InProcessCli(this, "runtime", in, out); + Connection c = cli.getConnection(); + stdCliUuid = (String) c.get("uuid"); + + // addRoute(".*", getName(), 100); + addConnection(stdCliUuid, cli.getId(), c); + + return cli; + } + + /** + * Stops interactive mode if it's running. + */ + public void stopInteractiveMode() { + if (cli != null) { + cli.stop(); + cli = null; + } + if (stdCliUuid != null) { + removeConnection(stdCliUuid); + stdCliUuid = null; + } + } + + /** + * prints help to the console + */ + static void mainHelp() { + new CommandLine(new CmdOptions()).usage(System.out); + } + + /** + * Logs a string message and publishes the message. + * + * @param msg + * The message to log and publish + * @return msg + */ + public static String message(String msg) { + getInstance().invoke("publishMessage", msg); + log.info(msg); + return msg; + } + + /** + * Listener for state publishing, updates registry + * + * @param updatedService + * Updated service to put in the registry + */ + public void onState(ServiceInterface updatedService) { + log.info("runtime updating registry info for remote service {}", updatedService.getName()); + registry.put(String.format("%s@%s", updatedService.getName(), updatedService.getId()), updatedService); + } + + public static Registration register(String id, String name, String typeKey, ArrayList interfaces) { + synchronized (processLock) { + Registration proxy = new Registration(id, name, typeKey, interfaces); + register(proxy); + return proxy; + } + } + + /** + * Registration is the process where a remote system sends detailed info + * related to its services. It will have details on each service type, state, + * id, and other info. The registration is serializable, with state + * information in a serialized for so that stateless processes or other + * non-Java instances can register or be registered. + * + * Registration might setup subscriptions to support a UI. + * + * Additional info which will be added in the future is a method map (a + * swagger concept) and a list of supported interfaces + * + * TODO - have rules on what registrations to accept - dependent on security, + * desire, re-broadcasting configuration etc. TODO - determine rules on + * re-broadcasting based on configuration + * + * @param registration + * registration + * @return registration + * + */ + public static Registration register(Registration registration) { + synchronized (processLock) { + try { + + // TODO - have rules on what registrations to accept - dependent on + // security, desire, re-broadcasting configuration etc. + + String fullname = String.format("%s@%s", registration.getName(), registration.getId()); + if (registry.containsKey(fullname)) { + log.info("{} already registered", fullname); + return registration; + } + + // if (!ForeignProcessUtils.isValidTypeKey(registration.getTypeKey())) { + // log.error("Invalid type key being registered: " + + // registration.getTypeKey()); + // return null; + // } + + log.info("{}@{} registering at {} of type {}", registration.getName(), registration.getId(), ConfigUtils.getId(), registration.getTypeKey()); + + if (!registration.isLocal(ConfigUtils.getId())) { + + // Check if we're registering a java service + if (ForeignProcessUtils.isValidJavaClassName(registration.getTypeKey())) { + + String fullTypeName; + if (registration.getTypeKey().contains(".")) { + fullTypeName = registration.getTypeKey(); + } else { + fullTypeName = String.format("org.myrobotlab.service.%s", registration.getTypeKey()); + } + + try { + // de-serialize, class exists + registration.service = Runtime.createService(registration.getName(), fullTypeName, registration.getId()); + if (registration.getState() != null) { + copyShallowFrom(registration.service, CodecUtils.fromJson(registration.getState(), Class.forName(fullTypeName))); + } + } catch (ClassNotFoundException classNotFoundException) { + log.error(String.format("Unknown service class for %s@%s: %s", registration.getName(), registration.getId(), registration.getTypeKey()), classNotFoundException); + return null; + } + } else { + // We're registering a foreign process service. We don't need to + // check + // ForeignProcessUtils.isForeignTypeKey() because the type key is + // valid + // but is not a java class name + + // Class does not exist, check if registration has empty interfaces + // Interfaces should always include ServiceInterface if coming from + // remote client + if (registration.interfaces == null || registration.interfaces.isEmpty()) { + log.error("Unknown service type being registered, registration does not contain any " + "interfaces for proxy generation: " + registration.getTypeKey()); + return null; + } + + // FIXME - probably some more clear definition about the + // requirements + // of remote + // service registration + // In general, there should be very few requirements if any, besides + // providing a + // name, and the proxy + // interface should be responsible for creating a minimal + // interpretation + // (ServiceInterface) for the remote + // service + + // Class[] interfaces = registration.interfaces.stream().map(i -> + // { + // try { + // return Class.forName(i); + // } catch (ClassNotFoundException e) { + // throw new RuntimeException("Unable to load interface " + i + " + // defined in remote registration " + registration, e); + // } + // }).toArray(Class[]::new); + + // registration.service = (ServiceInterface) + // Proxy.newProxyInstance(Runtime.class.getClassLoader(), + // interfaces, + // new ProxyServiceInvocationHandler(registration.getName(), + // registration.getId())); + try { + registration.service = ProxyFactory.createProxyService(registration); + log.info("Created proxy: " + registration.service); + } catch (Exception e) { + // at the moment preventing throw + Runtime.getInstance().error(e); + } + } + } + + registry.put(fullname, registration.service); + + if (runtime != null) { + + String type = registration.getTypeKey(); + + // If type does not exist in typeToNames, make it an empty hash set + // and + // return it + Set names = runtime.typeToNames.computeIfAbsent(type, k -> new HashSet<>()); + names.add(fullname); + + // FIXME - most of this could be static as it represents meta data of + // class and interfaces + + // FIXME - was false - setting now to true .. because + // 1 edge case - "can something fulfill my need of an interface - is + // not + // currently + // switching to true + boolean updatedServiceLists = false; + + // maintaining interface type relations + // see if this service type is new + // PROCESS INDEXES ! - FIXME - will need this in unregister + // ALL CLASS/TYPE PROCESSING only needs to happen once per type + if (!runtime.serviceTypes.contains(type)) { + // CHECK IF "CAN FULFILL" + // add the interfaces of the new service type + Set interfaces = ClassUtil.getInterfaces(registration.service.getClass(), FILTERED_INTERFACES); + for (String interfaze : interfaces) { + Set types = runtime.interfaceToType.get(interfaze); + if (types == null) { + types = new HashSet<>(); + } + types.add(registration.getTypeKey()); + runtime.interfaceToType.put(interfaze, types); + } + + runtime.typeToInterface.put(type, interfaces); + runtime.serviceTypes.add(registration.getTypeKey()); + updatedServiceLists = true; + } + + // check to see if any of our interfaces can fulfill requested ones + Set myInterfaces = runtime.typeToInterface.get(type); + for (String inter : myInterfaces) { + if (runtime.interfaceToNames.containsKey(inter)) { + runtime.interfaceToNames.get(inter).add(fullname); + updatedServiceLists = true; + } + } + + if (updatedServiceLists) { + runtime.invoke("publishInterfaceToNames"); + } + + // TODO - determine rules on re-broadcasting based on configuration + runtime.invoke("registered", registration); + } + + // TODO - remove ? already get state from registration + if (!registration.isLocal(ConfigUtils.getId())) { + runtime.subscribe(registration.getFullName(), "publishState"); + } + + } catch (Exception e) { + log.error("registration threw for {}@{}", registration.getName(), registration.getId(), e); + return null; + } + + return registration; + } + } + + /** + * releases a service - stops the service, its threads, releases its + * resources, and removes registry entries + * + * FIXME - clean up subscriptions from released + * + * @param inName + * name to release + * @return true/false + * + */ + public static boolean releaseService(String inName) { + ServiceInterface sc = getService(inName); + if (sc != null) { + sc.releaseService(); + return true; + } + return false; + } + + /** + * Called after any subclassed releaseService has been called, this cleans up + * the registry and removes peers + * + * @param inName + * @return + */ + public static boolean releaseServiceInternal(String inName) { + synchronized (processLock) { + if (inName == null) { + log.debug("release (null)"); + return false; + } + + String name = getFullName(inName); + + String id = CodecUtils.getId(name); + if (!id.equals(Runtime.getInstance().getId())) { + log.warn("will only release local services - %s is remote", name); + return false; + } + + log.info("releasing service {}", name); + + if (!registry.containsKey(name)) { + log.info("{} not registered", name); + return false; + } + + // get reference from registry + ServiceInterface si = registry.get(name); + if (si == null) { + log.warn("cannot release {} - not in registry"); + return false; + } + + // FIXME - TODO invoke and or blocking on preRelease - Future + + // send msg to service to self terminate + if (si.isLocal()) { + si.purgeTasks(); + si.stopService(); + } else { + if (runtime != null) { + runtime.send(name, "releaseService"); + } + } + + // recursive peer release + Map peers = si.getPeers(); + if (peers != null) { + for (Peer peer : peers.values()) { + release(peer.name); + } + } + + // FOR remote this isn't correct - it should wait for + // a message from the other runtime to say that its released + unregister(name); + return true; + } + } + + /** + * Removes registration for a service. Removes the service from + * {@link #typeToInterface} and {@link #interfaceToNames}. + * + * @param inName + * Name of the service to unregister + */ + public static void unregister(String inName) { + synchronized (processLock) { + String name = getFullName(inName); + log.info("unregister {}", name); + + // get reference from registry + ServiceInterface sw = registry.get(name); + if (sw == null) { + log.debug("{} already unregistered", name); + return; + } + + // you have to send released before removing from registry + if (runtime != null) { + runtime.invoke("released", inName); // <- DO NOT CHANGE THIS IS CORRECT + // !! + // it should be FULLNAME ! + // runtime.broadcast("released", inName); + String type = sw.getTypeKey(); + + boolean updatedServiceLists = false; + + // check to see if any of our interfaces can fullfill requested ones + Set myInterfaces = runtime.typeToInterface.get(type); + if (myInterfaces != null) { + for (String inter : myInterfaces) { + if (runtime.interfaceToNames.containsKey(inter)) { + runtime.interfaceToNames.get(inter).remove(name); + updatedServiceLists = true; + } + } + } + + if (updatedServiceLists) { + runtime.invoke("publishInterfaceToNames"); + } + + } + + // FIXME - release autostarted peers ? + + // last step - remove from registry by making new registry + // thread safe way + Map removedService = new TreeMap<>(); + for (String key : registry.keySet()) { + if (!name.equals(key)) { + removedService.put(key, registry.get(key)); + } + } + registry = removedService; + + // and config + RuntimeConfig c = (RuntimeConfig) Runtime.getInstance().config; + if (c != null) { + c.remove(CodecUtils.getShortName(name)); + } + + log.info("released {}", name); + } + } + + /** + * Get all remote services. + * + * @return List of remote services as proxies + */ + public List getRemoteServices() { + return getRemoteServices(null); + } + + /** + * Get remote services associated with the MRL instance that has the given ID. + * + * @param id + * The id of the target MRL instance + * @return A list of services running on the target instance + */ + public List getRemoteServices(String id) { + List list = new ArrayList<>(); + for (String serviceName : registry.keySet()) { + if (serviceName.contains("@")) { + String sid = serviceName.substring(serviceName.indexOf("@") + 1); + if (id == null || sid.equals(id)) { + list.add(registry.get(serviceName)); + } + } + } + return list; + } + + /** + * Releases all local services including Runtime asynchronously. + * + * @see #releaseAll(boolean, boolean) + */ + public static void releaseAll() { + releaseAll(true, false); + } + + /** + * This does not EXIT(1) !!! releasing just releases all services + * + * FIXME FIXME FIXME - just call release on each - possibly saving runtime for + * last .. send prepareForRelease before releasing + * + * release all local services + * + * FIXME - there "should" be an order to releasing the correct way would be to + * save the Runtime for last and broadcast all the services being released + * + * FIXME - send SHUTDOWN event to all running services with a timeout period - + * end with System.exit() FIXME normalize with releaseAllLocal and + * releaseAllExcept + * + * local only? YES !!! LOCAL ONLY !! + * + * @param releaseRuntime + * Whether the Runtime should also be released + */ + public static void releaseAll(boolean releaseRuntime, boolean block) { + // a command thread is issuing this command is most likely + // tied to one of the services being removed + // therefore this needs to happen asynchronously otherwise + // the thread that issued the command will try to destroy/release itself + // which almost always causes a deadlock + log.debug("releaseAll"); + + if (block) { + processRelease(releaseRuntime); + ConfigUtils.reset(); + } else { + + new Thread() { + @Override + public void run() { + processRelease(releaseRuntime); + ConfigUtils.reset(); + } + }.start(); + + } + } + + /** + * Releases all threads and can be executed in a separate thread. + * + * @param releaseRuntime + * Whether the Runtime should also be released + */ + static private void processRelease(boolean releaseRuntime) { + synchronized (processLock) { + // reverse release to order of creation + Collection local = getLocalServices().values(); + List ordered = new ArrayList<>(local); + ordered.removeIf(Objects::isNull); + Collections.sort(ordered); + Collections.reverse(ordered); + + for (ServiceInterface sw : ordered) { + + // no longer needed now - runtime "should be" guaranteed to be last + if (sw == Runtime.getInstance()) { + // skipping runtime + continue; + } + + log.info("releasing service {}", sw.getName()); + + try { + sw.releaseService(); + } catch (Exception e) { + if (runtime != null) { + runtime.error("%s threw while releasing", e); + } + log.error("release", e); + } + } + + // clean up remote ... the contract should + // probably be just remove their references - do not + // ask for them to be released remotely .. + // in thread safe way + + if (releaseRuntime) { + if (runtime != null) { + runtime.releaseService(); + } + synchronized (INSTANCE_LOCK) { + runtime = null; + } + } else { + // put runtime in new registry + Runtime.getInstance(); + registry = new TreeMap<>(); + registry.put(runtime.getFullName(), registry.get(runtime.getFullName())); + } + } + } + + /** + * Shuts down this instance after the given number of seconds. + * + * @param seconds + * sets task to shutdown in (n) seconds + */ + // Why is this using the wrapper type? Null can be passed in and cause NPE + public static void shutdown(Integer seconds) { + log.info("shutting down in {} seconds", seconds); + if (seconds > 0) { + runtime.addTaskOneShot(seconds * 1000, "shutdown", (Object[]) null); + runtime.invoke("publishShutdown", seconds); + } else { + shutdown(); + } + } + + /** + * shutdown terminates the currently running Java virtual machine by + * initiating its shutdown sequence. This method never returns normally. The + * argument serves as a status code; by convention, a nonzero status code + * indicates abnormal termination + * + */ + public static void shutdown() { + try { + log.info("myrobotlab shutting down"); + + if (runtime != null) { + log.info("stopping interactive mode"); + runtime.stopInteractiveMode(); + } + + log.info("pre shutdown on all services"); + for (ServiceInterface service : getServices()) { + service.preShutdown(); + } + + log.info("releasing all"); + + // release + releaseAll(); + } catch (Exception e) { + log.error("something threw - continuing to shutdown", e); + } + + // calling System.exit(0) before some specialized threads + // are completed will actually end up in a deadlock + Service.sleep(1000); + System.exit(0); + } + + public Integer publishShutdown(Integer seconds) { + return seconds; + } + + /** + * publish the folders of the parent directory of configPath if the configPath + * is null then publish directory names of data/config + * + * @return list of configs + */ + public List publishConfigList() { + configList = new ArrayList<>(); + + File configDirFile = new File(ROOT_CONFIG_DIR); + if (!configDirFile.exists() || !configDirFile.isDirectory()) { + error("%s config root does not exist", configDirFile.getAbsolutePath()); + return configList; + } + + File[] files = configDirFile.listFiles(); + if (files == null) { + // We checked for if directory earlier, so can only be null for IO error + error("IO error occurred while listing config directory files"); + return configList; + } + for (File file : files) { + String n = file.getName(); + + if (!file.isDirectory() || file.isHidden()) { + log.info("ignoring {} expecting directory not file", n); + continue; + } + + configList.add(file.getName()); + } + Collections.sort(configList); + return configList; + } + + /** + * Releases all local services except the services whose names are in the + * given set + * + * @param saveMe + * The set of services that should not be released + */ + public static void releaseAllServicesExcept(HashSet saveMe) { + log.info("releaseAllServicesExcept"); + List list = Runtime.getServices(); + for (ServiceInterface si : list) { + if (saveMe != null && saveMe.contains(si.getName())) { + log.info("leaving {}", si.getName()); + } else { + si.releaseService(); + } + } + } + + /** + * Release a specific service. Releasing shuts down the service and removes it + * from registries. + * + * @param fullName + * full name The service to be released + * + */ + static public void release(String fullName) { + releaseService(fullName); + } + + /** + * Disconnect from remote process. FIXME - not implemented + * + * @throws IOException + * Unknown + */ + // FIXME - implement ! also implement the callback events .. onDisconnect + public void disconnect() throws IOException { + // connect("admin", "ws://localhost:8887/api/messages"); + log.info("disconnect"); + } + + /** + * FIXME - can this be renamed back to attach ? jump to another process using + * the cli + * + * @param id + * instance id. + * @return string + * + */ + // FIXME - remove - the way to 'jump' is just to change + // context to the correct mrl id e.g. cd /runtime@remote07 + public String jump(String id) { + Connection c = getRoute(stdCliUuid); + if (c != null && c.get("cli") != null) { + ((InProcessCli) c.get("cli")).setRemote(id); + } else { + log.error("connection or cli is null for uuid {}", stdCliUuid); + } + + return id; + } + + /** + * Reconnects {@link #cli} to this process. + * + * @return The id of this instance + */ + // FIXME - remove ?!?!!? + public String exit() { + Connection c = getConnection(stdCliUuid); + if (c != null && c.get("cli") != null) { + ((InProcessCli) c.get("cli")).setRemote(getId()); + } + return getId(); + } + + /** + * Send a command to the {@link InProcessCli}. + * + * @param srcFullName + * Unknown + * @param cmd + * The command to execute + */ + public void sendToCli(String srcFullName, String cmd) { + Connection c = getConnection(stdCliUuid); + if (c == null || c.get("cli") == null) { + log.info("starting interactive mode"); + startInteractiveMode(); + sleep(1000); + } + c = getConnection(stdCliUuid); + if (c != null && c.get("cli") != null) { + ((InProcessCli) c.get("cli")).process(srcFullName, cmd); + } else { + log.error("could not start interactive mode"); + } + } + + /** + * Connect to the MRL instance at the given URL, auto-reconnecting if + * specified and the connection drops. + * + * FIXME implement autoReconnect + * + * @param url + * The URL to connect to + * @param autoReconnect + * Whether the connection should be re-established if it is dropped + */ + // FIXME - implement + public void connect(String url, boolean autoReconnect) { + if (!autoReconnect) { + connect(url); + } else { + addTask(1000, "checkConnections"); + } + } + + // FIXME - implement + public void checkConnections() { + for (Connection connection : connections.values()) { + if (connection.containsKey("url")) { + /* + * FIXME - check on "STATE" ... means we support disconnected + * connections .. if (connection.get("url").toString().equals(url)) { // + * already connected continue; } + */ + } + } + // could not find our connection for this "id" - need to reconnect + // connect(url); + } + + // FIXME - + // step 1 - first bind the uuids (1 local and 1 remote) + // step 2 - Clients will contain attribute + // FIXME - RETRIES TIMEOUTS OTHER COMPLEXITIES + // blocking connect - consider a non-blocking thread connect ... e.g. + // autoConnect + + /** + * Connect to the MRL instance at the given URL + * + * @param url + * Where the MRL instance being connected to is located + */ + @Override + public void connect(String url) { + try { + + // TODO - do auth, ssl and unit tests for them + // TODO - get session id + // request default describe - on describe do registrations .. zzz + + // standardize request - TODO check for ws wss not http https + if (!url.contains("api/messages")) { + url += "/api/messages"; + } + + if (!url.contains("id=")) { + url += "?id=" + getId(); + } + + WsClient client2 = new WsClient(); + client2.connect(this, url); + + // URI uri = new URI(url); + // adding "id" as full url :P ... because we don't know it !!! + Connection connection = new Connection(client2.getId(), getId(), getFullName()); + + // connection specific + connection.put("c-type", "Runtime"); + // attributes.put("c-endpoint", endpoint); + connection.put("c-client", client2); + + // cli specific + connection.put("cwd", "/"); + connection.put("url", url); + connection.put("uri", url); // not really correct + connection.put("user", "root"); + connection.put("host", "local"); + + // addendum + connection.put("User-Agent", "runtime-client"); + + addConnection(client2.getId(), url, connection); + + // direct send - may not have and "id" so it will be too runtime vs + // runtime@{id} + // subscribe to "describe" + MRLListener listener = new MRLListener("describe", getFullName(), "onDescribe"); + Message msg = Message.createMessage(getFullName(), "runtime", "addListener", listener); + client2.send(CodecUtils.toJsonMsg(msg)); + + // send describe + client2.send(CodecUtils.toJsonMsg(getDescribeMsg(null))); + + } catch (Exception e) { + log.error("connect to {} giving up {}", url, e.getMessage()); + } + } + + /** + * FIXME - this is a gateway callback - probably should be in the gateway + * interface - this is a "specific" gateway that supports typeless json or + * websockets + *

+ * FIXME - decoding should be done at the Connection ! - this should be + * onRemoteMessage(msg) ! + *

+ * callback - from clientRemote - all client connections will recieve here + * TODO - get clients directional api - an api per direction incoming and + * outgoing + * + * @param uuid + * - connection for incoming data + * @param data + * Incoming message in JSON String form + */ + @Override // uuid + public void onRemoteMessage(String uuid, String data) { + try { + + // log.debug("connection {} responded with {}", uuid, data); + // get api - decode msg - process it + Connection connection = getConnection(uuid); + if (connection == null) { + error("no connection with uuid %s", uuid); + return; + } + + if (log.isDebugEnabled()) { + log.debug("data - [{}]", data); + } + + // decoding message envelope + Message msg = CodecUtils.fromJson(data, Message.class); + log.info("==> {} --> {}.{}", msg.sender, msg.name, msg.method); + msg.setProperty("uuid", uuid); // Properties ???? REMOVE ??? + + if (msg.containsHop(getId())) { + log.error("{} dumping duplicate hop msg to avoid cyclical from {} --to--> {}.{} | {}", getName(), msg.sender, msg.name, msg.method, msg.getHops()); + return; + } + + addRoute(msg.getSrcId(), uuid, 10); + + // add our id - we don't want to see it again + msg.addHop(getId()); + + Object ret = null; + + // FIXME - see if same code block exists in WebGui .. normalize + if (isLocal(msg)) { + + // log.info("--> {}.{} from {}", msg.name, msg.method, msg.sender); + + String serviceName = msg.getName(); + // to decode fully we need class name, method name, and an array of json + // encoded parameters + MethodCache cache = MethodCache.getInstance(); + Class clazz = Runtime.getClass(serviceName); + if (clazz == null) { + log.error("local msg but no Class for requested service {}", serviceName); + return; + } + Object[] params = cache.getDecodedJsonParameters(clazz, msg.method, msg.data); + + Method method = cache.getMethod(clazz, msg.method, params); + ServiceInterface si = Runtime.getService(serviceName); + if (method == null) { + log.error("cannot find {}", cache.makeKey(clazz, msg.method, cache.getParamTypes(params))); + return; + } + if (si == null) { + log.error("si null for serviceName {}", serviceName); + return; + } + + ret = method.invoke(si, params); + + // propagate return data to subscribers + si.out(msg.method, ret); + + } else { + log.info("GATEWAY {} RELAY {} --to--> {}.{}", getName(), msg.sender, msg.name, msg.method); + send(msg); + } + + } catch (Exception e) { + log.error("processing msg threw", e); + } + } + + /** + * Add a route to the route table + * + * @param remoteId + * Id of the remote instance + * @param uuid + * Unknown + * @param metric + * Unknown + * @see RouteTable#addRoute(String, String, int) + */ + public void addRoute(String remoteId, String uuid, int metric) { + routeTable.addRoute(remoteId, uuid, metric); + } + + /** + * Start Runtime with the specified config + * + * @param configName + * The name of the config file + */ + static public void startConfig(String configName) { + setConfig(configName); + Runtime runtime = Runtime.getInstance(); + runtime.processingConfig = true; // multiple inbox threads not available + runtime.invoke("publishConfigStarted", configName); + RuntimeConfig rtConfig = runtime.readServiceConfig(runtime.getConfigName(), "runtime", new StaticType<>() { + }); + if (rtConfig == null) { + runtime.error("cannot find %s%s%s", runtime.getConfigName(), fs, "runtime.yml"); + return; + } + + runtime.apply(rtConfig); + + Plan plan = new Plan("runtime"); + // for every service listed in runtime registry - load it + // FIXME - regex match on filesystem matches on *.yml + for (String service : rtConfig.getRegistry()) { + + if ("runtime".equals(service) || Runtime.isStarted(service)) { + continue; + } + + // has to be loaded + File file = new File(Runtime.ROOT_CONFIG_DIR + fs + runtime.getConfigName() + fs + service + ".yml"); + if (!file.exists()) { + runtime.error("cannot read file %s - skipping", file.getPath()); + continue; + } + + ServiceConfig sc = runtime.readServiceConfig(runtime.getConfigName(), service); + try { + if (sc == null) { + continue; + } + runtime.loadService(plan, service, sc.type, true, 0); + } catch (Exception e) { + runtime.error(e); + } + } + + // for all newly created services start them + Map created = Runtime.createServicesFromPlan(plan, null, null); + for (ServiceInterface si : created.values()) { + si.startService(); + } + + runtime.processingConfig = false; // multiple inbox threads not available + runtime.invoke("publishConfigFinished", configName); + + } + + public String publishConfigStarted(String configName) { + log.info("publishConfigStarted {}", configName); + // Make Note: done inline, because the thread actually doing the config + // processing + // would need to be finished with it before this thread could be invoked + // if multiple inbox threads were available then this would be possible + // processingConfig = true; + return configName; + } + + public String publishConfigFinished(String configName) { + log.info("publishConfigFinished {}", configName); + // Make Note: done inline, because the thread actually doing the config + // processing + // would need to be finished with it before this thread could be invoked + // if multiple inbox threads were available then this would be possible + // processingConfig = false; + return configName; + } + + /** + * Start a service of the specified type as the specified name. + * + * @param name + * The name of the new service + * @param type + * The type of the new service + * @return The started service + */ + static public ServiceInterface start(String name, String type) { + synchronized (processLock) { + try { + + ServiceInterface requestedService = Runtime.getService(name); + if (requestedService != null) { + log.info("requested service already exists"); + if (requestedService.isRunning()) { + log.info("requested service already running"); + } else { + requestedService.startService(); + } + return requestedService; + } + + Plan plan = Runtime.load(name, type); + + Map services = createServicesFromPlan(plan, null, name); + + if (services == null) { + Runtime.getInstance().error("cannot create instance of %s with type %s given current configuration", name, type); + return null; + } + + requestedService = Runtime.getService(name); + + // FIXME - does some order need to be maintained e.g. all children + // before + // parent + // breadth first, depth first, external order ordinal ? + for (ServiceInterface service : services.values()) { + if (service.getName().equals(name)) { + continue; + } + if (!Runtime.isStarted(service.getName())) { + service.startService(); + } + } + + if (requestedService == null) { + Runtime.getInstance().error("could not start %s of type %s", name, type); + return null; + } + + // getConfig() was problematic here for JMonkeyEngine + ServiceConfig sc = requestedService.getConfig(); + // Map peers = sc.getPeers(); + // if (peers != null) { + // for (String p : peers.keySet()) { + // Peer peer = peers.get(p); + // log.info("peer {}", peer); + // } + // } + // recursive - start peers of peers of peers ... + Map subPeers = sc.getPeers(); + if (sc != null && subPeers != null) { + for (String subPeerKey : subPeers.keySet()) { + // IF AUTOSTART !!! + Peer subPeer = subPeers.get(subPeerKey); + if (subPeer.autoStart) { + Runtime.start(sc.getPeerName(subPeerKey), subPeer.type); + } + } + } + + requestedService.startService(); + return requestedService; + } catch (Exception e) { + runtime.error(e); + } + return null; + } + } + + /** + * single parameter name info supplied - potentially all information regarding + * this service could be found in on the filesystem or in the plan + * + * @param name + * @return + */ + static public ServiceInterface start(String name) { + synchronized (processLock) { + if (Runtime.getService(name) != null) { + // already exists + ServiceInterface si = Runtime.getService(name); + if (!si.isRunning()) { + si.startService(); + } + return si; + } + Plan plan = Runtime.load(name, null); + Map services = createServicesFromPlan(plan, null, name); + // FIXME - order ? + for (ServiceInterface service : services.values()) { + service.startService(); + } + return Runtime.getService(name); + } + } + + public static Plan load(String name, String type) { + synchronized (processLock) { + try { + Runtime runtime = Runtime.getInstance(); + return runtime.loadService(new Plan("runtime"), name, type, true, 0); + } catch (IOException e) { + runtime.error(e); + } + return null; + } + } + + /** + * Construct a new Runtime with the given name and ID. The name should always + * be "runtime" as parts of interprocess communication assume it to be so. + * + * TODO Check if there's a way to remove the assumptions about Runtime's name + * + * @param n + * Name of the runtime. Should always be {@code "runtime"} + * @param id + * The ID of the instance this runtime belongs to. + */ + public Runtime(String n, String id) { + super(n, id); + + // because you need to start with something ... + config = new RuntimeConfig(); + + repo = (IvyWrapper) Repo.getInstance(LIBRARIES, "IvyWrapper"); + + /** + * This is used to run through all the possible services and determine if + * they have any missing dependencies. If they do not they become + * "installed". The installed flag makes the gui do a crossout when a + * service type is selected. + */ + for (MetaData metaData : serviceData.getServiceTypes()) { + Set deps = repo.getUnfulfilledDependencies(metaData.getType()); + if (deps.size() == 0) { + metaData.installed = true; + } else { + log.info("{} not installed", metaData.getSimpleName()); + } + } + + setLocale(Locale.getDefault().getTag()); + locales = Locale.getDefaults(); + + if (runtime.platform == null) { + runtime.platform = Platform.getLocalInstance(); + } + + // setting the id and the platform + platform = Platform.getLocalInstance(); + + String libararyPath = System.getProperty("java.library.path"); + String userDir = System.getProperty("user.dir"); + String userHome = System.getProperty("user.home"); + + // initialize the config list + publishConfigList(); + + // TODO this should be a single log statement + // http://developer.android.com/reference/java/lang/System.html + + String format = "yyyy/MM/dd HH:mm:ss"; + SimpleDateFormat sdf = new SimpleDateFormat(format); + SimpleDateFormat gmtf = new SimpleDateFormat(format); + gmtf.setTimeZone(TimeZone.getTimeZone("UTC")); + log.info("============== args begin =============="); + StringBuffer sb = new StringBuffer(); + + jvmArgs = getJvmArgs(); + if (globalArgs != null) { + for (int i = 0; i < globalArgs.length; ++i) { + sb.append(globalArgs[i]); + } + } + if (jvmArgs != null) { + log.info("jvmArgs {}", Arrays.toString(jvmArgs.toArray())); + } + log.info("file.encoding {}", System.getProperty("file.encoding")); + log.info("args {}", Arrays.toString(globalArgs)); + + log.info("============== args end =============="); + + log.info("============== env begin =============="); + + Map env = System.getenv(); + if (env.containsKey("PATH")) { + log.info("PATH={}", env.get("PATH")); + } else { + log.info("PATH not defined"); + } + if (env.containsKey("JAVA_HOME")) { + log.info("JAVA_HOME={}", env.get("JAVA_HOME")); + } else { + log.info("JAVA_HOME not defined"); + } + + // also look at bitness detection in framework.Platform + String procArch = env.get("PROCESSOR_ARCHITECTURE"); + String procArchWow64 = env.get("PROCESSOR_ARCHITEW6432"); + if (procArch != null) { + log.info("PROCESSOR_ARCHITECTURE={}", procArch); + } else { + log.info("PROCESSOR_ARCHITECTURE not defined"); + } + if (procArchWow64 != null) { + log.info("PROCESSOR_ARCHITEW6432={}", procArchWow64); + } else { + log.info("PROCESSOR_ARCHITEW6432 not defined"); + } + log.info("============== env end =============="); + + log.info("============== platform =============="); + long startTime = platform.getStartTime().getTime(); + log.info("{} - GMT - {}", sdf.format(startTime), gmtf.format(startTime)); + log.info("pid {}", platform.getPid()); + log.info("hostname {}", platform.getHostname()); + log.info("ivy [runtime,{}.{}.{}]", platform.getArch(), platform.getJvmBitness(), platform.getOS()); + log.info("version {} branch {} commit {} build {}", platform.getVersion(), platform.getBranch(), platform.getCommit(), platform.getBuild()); + System.out.println(String.format("version %s branch %s commit %s build %s", platform.getVersion(), platform.getBranch(), platform.getCommit(), platform.getBuild())); + log.info("platform manifest {}", Platform.getManifest()); + log.info("platform [{}}]", platform); + log.info("version [{}]", platform.getVersion()); + log.info("root [{}]", FileIO.getRoot()); + log.info("cfg dir [{}]", FileIO.getCfgDir()); + log.info("sun.arch.data.model [{}]", System.getProperty("sun.arch.data.model")); + + log.info("============== non-normalized =============="); + log.info("os.name [{}] getOS [{}]", System.getProperty("os.name"), platform.getOS()); + log.info("os.arch [{}] getArch [{}]", System.getProperty("os.arch"), platform.getArch()); + log.info("os.version [{}]", System.getProperty("os.version")); + + log.info("java.vm.name [{}]", System.getProperty("java.vm.name")); + log.info("java.vm.vendor [{}]", System.getProperty("java.vm.vendor")); + log.info("java.specification.version [{}]", System.getProperty("java.specification.version")); + + String vmVersion = System.getProperty("java.specification.version"); + vmVersion = "11"; + if ("1.8".equals(vmVersion)) { + error("Unsupported Java %s - please remove version and install Java 1.8", vmVersion); + } + + // test ( force encoding ) + // System.setProperty("file.encoding","UTF-8" ); + log.info("file.encoding [{}]", System.getProperty("file.encoding")); + log.info("Charset.defaultCharset() [{}]", Charset.defaultCharset()); + log.info("user.language [{}]", System.getProperty("user.language")); + log.info("user.country [{}]", System.getProperty("user.country")); + log.info("user.variant [{}]", System.getProperty("user.variant")); + + // System.getProperty("pi4j.armhf") + + log.info("java.home [{}]", System.getProperty("java.home")); + log.debug("java.class.path [{}]", System.getProperty("java.class.path")); + log.info("java.library.path [{}]", libararyPath); + log.info("user.dir [{}]", userDir); + + log.info("user.home [{}]", userHome); + log.info("total mem [{}] Mb", Runtime.getTotalMemory() / 1048576); + log.info("total free [{}] Mb", Runtime.getFreeMemory() / 1048576); + // Access restriction - log.info("total physical mem [{}] Mb", + // Runtime.getTotalPhysicalMemory() / 1048576); + + if (platform.isWindows()) { + log.info("guessed os bitness [{}]", platform.getOsBitness()); + // try to compare os bitness with jvm bitness + if (platform.getOsBitness() != platform.getJvmBitness()) { + log.warn("detected possible bitness mismatch between os & jvm"); + } + } + + log.info("getting local repo"); + + if (repo != null)/* transient */ { + repo.addStatusPublisher(this); + } + } + + /** + * Get the process ID of the current JVM. + * + * @return The process ID. + * @see Platform#getPid() + */ + public String getPid() { + return Platform.getLocalInstance().getPid(); + } + + public String publishDefaultRoute(String defaultRoute) { + return defaultRoute; + } + + /** + * Get the hostname of the computer this instance is running on. + * + * @return The computer's hostname + * @see Platform#getHostname() + */ + public String getHostname() { + return Platform.getLocalInstance().getHostname(); + } + + /** + * publishing event - since checkForUpdates may take a while + */ + public void checkingForUpdates() { + log.info("checking for updates"); + } + + /** + * Read an entire input stream as a string and return it. If the input stream + * does not have any more tokens, returns an empty string instead. + * + * @param is + * The input stream to read from + * @return The entire input stream read as a string + */ + static public String getInputAsString(InputStream is) { + try (java.util.Scanner s = new java.util.Scanner(is)) { + return s.useDelimiter("\\A").hasNext() ? s.next() : ""; + } + } + + /** + * list the contents of the current working directory + * + * @return object + */ + public Object ls() { + return ls(null, null); + } + + /** + * List the contents of an absolute path. + * + * @param path + * The path to list + * @return The contents of the directory + */ + public Object ls(String path) { + return ls(null, path); + } + + /** + * list the contents of a specific path + *

+ *

+ * TODO It looks like this only returns Object because it wants to return + * either a String array or a method entry list. It would probably be best to + * just convert the method entry list to a string array using streams and + * change the signature to match. + * + * @param contextPath + * c + * @param path + * p + * @return object + * + */ + public Object ls(String contextPath, String path) { + String absPath = null; + + if (contextPath != null) { + path = contextPath + path; + } + + if (path == null) { + path = "/"; + } + + // ALL SHOULD BE ABSOLUTE PATH AT THIS POINT + // IE STARTING WITH / + + if (!path.startsWith("/")) { + path = "/" + path; + } + + absPath = path; + + String[] parts = absPath.split("/"); + + String ret = null; + if (absPath.equals("/")) { + return Runtime.getServiceNames(); + } else if (parts.length == 2 && !absPath.endsWith("/")) { + return Runtime.getService(parts[1]); + } else if (parts.length == 2 && absPath.endsWith("/")) { + ServiceInterface si = Runtime.getService(parts[1]); + if (si == null) { + return null; + } + return si.getDeclaredMethodNames(); + /* + * } else if (parts.length == 3 && !absPath.endsWith("/")) { // execute 0 + * parameter function ??? return Runtime.getService(parts[1]); + */ + } else if (parts.length == 3) { + ServiceInterface si = Runtime.getService(parts[1]); + MethodCache cache = MethodCache.getInstance(); + List me = cache.query(si.getTypeKey(), parts[2]); + return me; // si.getMethodMap().get(parts[2]); + } + return ret; + } + + /** + * serviceName at id + * + * @return runtime name with instance id. + * + */ + public String whoami() { + return "runtime@" + getId(); + } + + // end cli commands ---- + + // ---------- Java Runtime wrapper functions begin -------- + /** + * Executes the specified command and arguments in a separate process. Returns + * the exit value for the subprocess. + * + * @param program + * The name of or path to an executable program. If given a name, the + * program must be on the system PATH. + * @return The exit value of the subprocess + */ + static public String exec(String program) { + return execute(program, null, null, null, null); + } + + /* + * FIXME - see if this is used anymore publishing point of Ivy sub system - + * sends event failedDependency when the retrieve report for a Service fails + */ + @Deprecated /* remove */ + public String failedDependency(String dep) { + return dep; + } + + public static Platform getPlatform() { + return getInstance().platform; + } + + // FIXME - should be removed - use Platform.getLocalInstance().is64bit() + @Deprecated + public boolean is64bit() { + return getInstance().platform.getJvmBitness() == 64; + } + + public Repo getRepo() { + return repo; + } + + /** + * Returns an array of all the simple type names of all the possible services. + * The data originates from the repo's serviceData.json file. + *

+ * There is a local one distributed with the installation jar. When an + * "update" is forced, MRL will try to download the latest copy from the repo. + *

+ * The serviceData.json lists all service types, dependencies, categories and + * other relevant information regarding service creation + * + * @return list of all service type names + */ + public String[] getServiceTypeNames() { + return getServiceTypeNames("all"); + } + + /** + * getServiceTypeNames will publish service names based on some filter + * criteria + * + * @param filter + * f + * @return array of service types + * + */ + public String[] getServiceTypeNames(String filter) { + return serviceData.getServiceTypeNames(filter); + } + + // FIXME THIS IS NOT NORMALIZED !!! + + /** + * Send the full log of the currently running MRL instance to the MyRobotLab + * developers for help. The userID is the name of the MyRobotLab.org user + * account + * + * @param userId + * Name of the MRL website account to link the log to + * @return Whether the log was sent successfully, info if yes and error if no. + */ + static public Status noWorky(String userId) { + Status status = null; + try { + String retStr = HttpRequest.postFile("http://noworky.myrobotlab.org/no-worky", userId, "file", new File(LoggingFactory.getLogFileName())); + if (retStr.contains("Upload:")) { + log.info("noWorky successfully sent - our crack team of experts will check it out !"); + status = Status.info("no worky sent"); + } else { + status = Status.error("could not send"); + } + } catch (Exception e) { + log.error("the noWorky didn't worky !"); + status = Status.error(e); + } + + // this makes the 'static' of this method pointless + // perhaps the webgui should invoke rather than call directly .. :P + Runtime.getInstance().invoke("publishNoWorky", status); + return status; + } + + static public Status publishNoWorky(Status status) { + return status; + } + + // FIXME - create interface for this + public String publishMessage(String msg) { + return msg; + } + + @Override + @Deprecated /* use onResponse ??? */ + public void onMessage(Message msg) { + // TODO: what do we do when we get a message? + log.info("onMessage()"); + } + + /** + * Publishing point when a service was successfully registered locally - + * regardless if the service is local or not. + * + * TODO - more business logic can be created here to limit broadcasting or + * re-broadcasting published registrations + * + * @param registration + * - contains all the information need for a registration to process + */ + @Override + public Registration registered(Registration registration) { + return registration; + } + + /** + * released event - when a service is successfully released from the registry + * this event is triggered + * + */ + @Override + public String released(String name) { + return name; + } + + /** + * A function for runtime to "save" a service - or if the service does not + * exists save the "default" config of that type of service + * + * @param name + * name of service to export + * @return true/false + * @throws IOException + * boom + * + */ + @Deprecated /* use save(name) */ + public boolean export(String name /* , String type */) throws IOException { + return save(name); + } + + public boolean save(String name /* , String type */) throws IOException { + ServiceInterface si = getService(name); + if (si != null) { + return si.save(); + } + error("cannot save %s - does not exist", name); + return false; + } + + /** + * restart occurs after applying updates - user or config data needs to be + * examined and see if its an appropriate time to restart - if it is the + * spawnBootstrap method will be called and bootstrap.jar will go through its + * sequence to update myrobotlab.jar + */ + public void restart() { + // to avoid deadlock of shutting down from external messages + // we spawn a kill thread + new Thread("kill-thread") { + @Override + public void run() { + try { + + info("restarting"); + + // FIXME - should we save() load() ??? + // export("last-restart"); + + // shutdown all services process - send ready to shutdown - ask back + // release all services + for (ServiceInterface service : getServices()) { + service.preShutdown(); + } + + // check if ready ??? + + // release all local services + releaseAll(); + + if (runtime != null) { + runtime.releaseService(); + } + + // make sure python is included + // options.services.add("python"); + // options.services.add("Python"); + + // force invoke + // options.invoke = new String[] { "python", "execFile", + // "lastRestart.py" }; + + // create builder from Launcher daemonize ? + log.info("re launching with commands \n{}", CmdOptions.toString(options.getOutputCmd())); + ProcessBuilder pb = Launcher.createBuilder(options); + + // fire it off + Process restarted = pb.start(); + // it "better" not be a requirement that a process must consume its + // std streams + // "hopefully" - if the OS realizes the process is dead it moves the + // streams to /dev/null ? + // StreamGobbler gobbler = new + // StreamGobbler(String.format("%s-gobbler", getName()), + // restarted.getInputStream()); + // gobbler.start(); + + // dramatic pause + sleep(2000); + + // check if process exists + if (restarted.isAlive()) { + log.info("yay! we continue to live in future generations !"); + } else { + log.error("omg! ... I killed all the services and now there is no offspring ! :("); + } + log.error("goodbye ..."); + shutdown(); + } catch (Exception e) { + log.error("shutdown threw", e); + } + } + }.start(); + } + + /** + * Get the META-INF/MANIFEST.MF file from the myrobotlab.jar as String + * key-value pairs. + * + * @return key-value pairs contained in the manifest file + * @see Platform#getManifest() + */ + static public Map getManifest() { + return Platform.getManifest(); + } + + /** + * Runtime's setLogLevel will set the root log level if its called from a + * service - it will only set that Service type's log level + * + * @param level + * - DEBUG | INFO | WARN | ERROR + * @return the level which was set + */ + static public String setLogLevel(String level) { + log.info("setLogLevel {}", level); + Logging logging = LoggingFactory.getInstance(); + logging.setLevel(level); + log.info("setLogLevel {}", level); + return level; + } + + /** + * Get the log level of this MRL instance + * + * @return The log level as a String. + * @see Logging#getLevel() + */ + static public String getLogLevel() { + Logging logging = LoggingFactory.getInstance(); + return logging.getLevel(); + } + + /** + * Set the file to output logs to. This will remove all previously-applied + * appenders from the logging system. + * + * @param file + * The file to output logs to + * @return file + * @see Logging#removeAllAppenders() + */ + static public String setLogFile(String file) { + log.info("setLogFile {}", file); + Logging logging = LoggingFactory.getInstance(); + logging.removeAllAppenders(); + LoggingFactory.setLogFile(file); + logging.addAppender(AppenderType.FILE); + return file; + } + + /** + * Disables logging by removing all appenders. To re-enable call + * {@link #setLogFile(String)} or add appenders. + * + * @see Logging#addAppender(String) + */ + static public void disableLogging() { + Logging logging = LoggingFactory.getInstance(); + logging.removeAllAppenders(); + } + + /** + * Stops all service-related running items. This releases the singleton + * referenced by this class, but it does not guarantee that the old service + * will be GC'd. FYI - if stopServices does not remove INSTANCE - it is not + * re-entrant in junit tests + */ + @Override + public void releaseService() { + if (runtime != null) { + runtime.purgeTasks(); + runtime.stopService(); + runtime.stopInteractiveMode(); + runtime.getRepo().removeStatusPublishers(); + if (cli != null) { + cli.stop(); + } + registry = new TreeMap<>(); + } + synchronized (INSTANCE_LOCK) { + runtime = null; + } + } + + /** + * Close all connections using this runtime as the gateway. This includes both + * inbound and outbound connections. + */ + public void closeConnections() { + for (Connection c : connections.values()) { + String gateway = c.getGateway(); + if (getFullName().equals(gateway)) { + WsClient client = (WsClient) c.get("c-client"); + client.close(); + } + } + } + + // FYI - the way to call "all" service methods ! + + /** + * Clear all services' last error. + * + * @see ServiceInterface#clearLastError() + */ + public void clearErrors() { + for (String serviceName : registry.keySet()) { + send(serviceName, "clearLastError"); + } + } + + /** + * Check if any services have errors. + * + * @return Whether any service has an error + * @see ServiceInterface#hasError() + */ + public static boolean hasErrors() { + for (ServiceInterface si : registry.values()) { + if (si.hasError()) { + return true; + } + } + return false; + } + + /** + * remove all subscriptions from all local Services + */ + static public void removeAllSubscriptions() { + for (ServiceInterface si : getLocalServices().values()) { + List nlks = si.getNotifyListKeySet(); + for (int i = 0; i < nlks.size(); ++i) { + si.getNotifyList().clear(); + } + } + } + + /** + * Get recent errors from all local services. + * + * @return A list of most recent service errors + * @see ServiceInterface#getLastError() + */ + public static List getErrors() { + ArrayList stati = new ArrayList(); + for (ServiceInterface si : getLocalServices().values()) { + Status status = si.getLastError(); + if (status != null && status.isError()) { + log.info(status.toString()); + stati.add(status); + } + } + return stati; + } + + /** + * Broadcast the states of all local services. + */ + public static void broadcastStates() { + for (ServiceInterface si : getLocalServices().values()) { + si.broadcastState(); + } + } + + /** + * Get the Runtime singleton instance. + * + * @return The singleton instance + * @see #getInstance() + */ + public static Runtime get() { + return Runtime.getInstance(); + } + + /** + * Execute an external program with arguments if specified. args must not be + * null and the length must be greater than zero, the first element is the + * program to be executed. If the program is just a name and not a path to the + * executable then it must be on the operating system PATH. + * + * @see + * What are PATH and other environment variables? + * @param args + * The program to be executed as the first element and the args to + * the program as the rest, if any + * @return The program's stdout and stderr output + */ + static public String execute(String... args) { + if (args == null || args.length == 0) { + log.error("execute invalid number of args"); + return null; + } + String program = args[0]; + List list = null; + + if (args.length > 1) { + list = new ArrayList(); + for (int i = 1; i < args.length; ++i) { + list.add(args[i]); + } + } + + return execute(program, list, null, null, true); + } + + /** + * Execute an external program with a list of arguments, a specified working + * directory, any additional environment variables, and whether the execution + * blocks. + * + * TODO Implement workingDir and block + * + * @param program + * The program to be executed + * @param args + * Any arguments to the command + * @param workingDir + * The directory to execute the program in + * @param additionalEnv + * Any additional environment variables + * @param block + * Whether this method blocks for the program to execute + * @return The programs stderr and stdout output + */ + + static public String execute(String program, List args, String workingDir, Map additionalEnv, boolean block) { + log.debug("execToString(\"{} {}\")", program, args); + + List command = new ArrayList<>(); + command.add(program); + if (args != null) { + command.addAll(args); + } + + ProcessBuilder builder = new ProcessBuilder(command); + if (workingDir != null) { + builder.directory(new File(workingDir)); + } + + Map environment = builder.environment(); + if (additionalEnv != null) { + environment.putAll(additionalEnv); + } + + StringBuilder outputBuilder = new StringBuilder(); + + try { + Process handle = builder.start(); + + InputStream stdErr = handle.getErrorStream(); + InputStream stdOut = handle.getInputStream(); + + // Read the output streams in separate threads to avoid potential blocking + Thread stdErrThread = new Thread(() -> readStream(stdErr, outputBuilder)); + stdErrThread.start(); + + Thread stdOutThread = new Thread(() -> readStream(stdOut, outputBuilder)); + stdOutThread.start(); + + if (block) { + int exitValue = handle.waitFor(); + outputBuilder.append("Exit Value: ").append(exitValue); + log.info("Command exited with exit value: {}", exitValue); + } else { + log.info("Command started"); + } + + return outputBuilder.toString(); + } catch (IOException e) { + log.error("Error executing command", e); + return e.getMessage(); + } catch (InterruptedException e) { + Thread.currentThread().interrupt(); + log.error("Command execution interrupted", e); + return e.getMessage(); + } + } + + private static void readStream(InputStream inputStream, StringBuilder outputBuilder) { + try (BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream))) { + String line; + while ((line = reader.readLine()) != null) { + outputBuilder.append(line).append(System.lineSeparator()); + } + } catch (IOException e) { + log.error("Error reading process output", e); + } + } + + /** + * Get the current battery level of the computer this MRL instance is running + * on. + * + * @return The battery level as a double from 0.0 to 100.0, expressed as a + * percentage. + */ + public static Double getBatteryLevel() { + Platform platform = Platform.getLocalInstance(); + Double r = 100.0; + try { + if (platform.isWindows()) { + // String ret = Runtime.execute("cmd.exe", "/C", "WMIC.exe", "PATH", + // "Win32_Battery", "Get", "EstimatedChargeRemaining"); + String ret = Runtime.execute("WMIC.exe", "PATH", "Win32_Battery", "Get", "EstimatedChargeRemaining"); + int pos0 = ret.indexOf("\n"); + if (pos0 != -1) { + pos0 = pos0 + 1; + int pos1 = ret.indexOf("\n", pos0); + String dble = ret.substring(pos0, pos1).trim(); + try { + r = Double.parseDouble(dble); + } catch (Exception e) { + log.error("no Battery detected by system"); + } + + return r; + } + + } else if (platform.isLinux()) { + // TODO This is incorrect, will not work when unplugged + // and acpitool output is different than expected, + // at least on Ubuntu 22.04 - consider oshi library + String ret = Runtime.execute("acpi"); + int pos0 = ret.indexOf("%"); + + if (pos0 != -1) { + int pos1 = ret.lastIndexOf(" ", pos0); + // int pos1 = ret.indexOf("%", pos0); + String dble = ret.substring(pos1, pos0).trim(); + try { + r = Double.parseDouble(dble); + } catch (Exception e) { + log.error("no Battery detected by system"); + } + return r; + } + log.info(ret); + } else if (platform.isMac()) { + String ret = Runtime.execute("pmset -g batt"); + int pos0 = ret.indexOf("Battery-0"); + if (pos0 != -1) { + pos0 = pos0 + 10; + int pos1 = ret.indexOf("%", pos0); + String dble = ret.substring(pos0, pos1).trim(); + try { + r = Double.parseDouble(dble); + } catch (Exception e) { + log.error("no Battery detected by system"); + } + return r; + } + log.info(ret); + } + + } catch (Exception e) { + log.info("execToString threw", e); + } + return r; + } + + /** + * Get the local service data instance. + * + * @return The local service data + * @see ServiceData#getLocalInstance() + */ + public ServiceData getServiceData() { + return serviceData; + } + + /** + * Return supported system languages + * + * @return map of languages to locales + */ + public Map getLanguages() { + return Locale.getAvailableLanguages(); + } + + /** + * Get a map between locale IDs and the associated {@link Locale} instance. + * + * @return A map between IDs and instances. + */ + @Override + public Map getLocales() { + return locales; + } + + /** + * Set the locales by passing a list of locale IDs. + * + * @param codes + * A list of locale IDs + * @return A map between the IDs and the Locale instances. + */ + public Map setLocales(String... codes) { + locales = Locale.getLocaleMap(codes); + return locales; + } + + /** + * @return get the Security singleton + * + * + */ + static public Security getSecurity() { + return Security.getInstance(); + } + + /** + * Execute a program with arguments, if any. Wraps + * {@link java.lang.Runtime#exec(String[])}. + * + * @param cmd + * A list with the program name as the first element and any + * arguments as the subsequent elements. + * @return The Process spawned by the execution + * @throws IOException + * if an I/O error occurs while spawning the process + */ + public static Process exec(String... cmd) throws IOException { + // FIXME - can't return a process - it will explode in serialization + // but we might want to keep it and put it on a transient map + log.info("Runtime exec {}", Arrays.toString(cmd)); + Process p = java.lang.Runtime.getRuntime().exec(cmd); + return p; + } + + /** + * Get all the options passed on the command line when MyRobotLab is executed. + * + * @return The options that were passed on the command line + */ + public static CmdOptions getOptions() { + return options; + } + + /** + * TODO Unimplemented + * + * @param sd + * ServiceData to use + * @return sd + */ + public ServiceData setServiceTypes(ServiceData sd) { + return sd; + } + + /** + * FIXME - describe will have the capability to describe many aspects of a + * running service. Default behavior will show a list of local names, but + * depending on input criteria it should be possible to show * interfaces * + * service data * service methods * details of a service method * help/javadoc + * of a service method * list of other known instances * levels of detail, or + * lists of fields to display * meaningful default + * + * FIXME - input parameters will need to change - at some point, a subscribe + * to describe, and appropriate input parameters should replace the current + * onRegistered system + * + * @param type + * t + * @param id + * i + * @param remoteUuid + * remote id + * @return describe results + * + */ + public DescribeResults describe(String type, String id, String remoteUuid) { + DescribeQuery query = new DescribeQuery(type, remoteUuid); + return describe(type, query); + } + + /** + * Get a default DescribeResults from this instance. + * + * @return A default description of this instance + */ + public DescribeResults describe() { + // default query + return describe("platform", null); + } + + /** + * Describe results returns the information of a "describe" which can be + * detailed information regarding services, theire methods and input or output + * types. + *

+ * FIXME - describe(String[] filters) where filter can be name, type, local, + * state, etc + *

+ * FIXME uuid and query are unused + * + * @param uuid + * u + * @param query + * q + * @return describe results + * + * + * + */ + public DescribeResults describe(String uuid, DescribeQuery query) { + + DescribeResults results = new DescribeResults(); + results.setStatus(Status.success("Ahoy!")); + + String fullname = null; + + try { + + results.setId(getId()); + results.setPlatform(Platform.getLocalInstance()); + + // broadcast completed connection information + invoke("getConnections"); // FIXME - why isn't this done before ??? + + Set set = registry.keySet(); + String[] list = new String[set.size()]; + set.toArray(list); + + // TODO - filtering on what is broadcasted or re-broadcasted + for (int i = 0; i < list.length; ++i) { + fullname = list[i]; + ServiceInterface si = registry.get(fullname); + + Registration registration = new Registration(si); + + results.addRegistration(registration); + } + + } catch (Exception e) { + log.error("describe threw on {}", fullname, e); + } + + return results; + } + + /** + * Describe results from remote query to describe + * + * @param results + * describe results + * + * + */ + public void onDescribe(DescribeResults results) { + List reservations = results.getReservations(); + if (reservations != null) { + for (Registration reservation : reservations) { + if ("runtime".equals(reservation.getName()) && !getId().equals(reservation.getId())) { + // If there's a reservation for a remote runtime, subscribe to its + // registered + // Maybe this should be done in register()? + subscribe(reservation.getFullName(), "registered"); + } + register(reservation); + } + } + + } + + /** + * IMPORTANT IMPORTANT IMPORTANT - Newly connected remote mrl processes blas a + * list of registrations through onRegistered messages, for each service they + * currently have in their registry. This process will send a list of + * registrations to the newly connected remote process. If the "registered" + * event is subscribed, any newly created service will be broadcasted thorough + * this publishing point as well. + * + * TODO - write filtering, configuration, or security which affects what can + * be registered + * + * Primarily, this is where new services are registered from remote systems + * + * + */ + public void onRegistered(Registration registration) { + try { + // check if registered ? + + // TODO - filtering - include/exclude + + String fullname = registration.getName() + "@" + registration.getId(); + if (!registry.containsKey(fullname)) { + register(registration); + if (fullname.startsWith("runtime@")) { + // We want to TELL remote runtime if we have new registrations - we'll + // send them + // to it's runtime + // subscribe(fullname, "registered"); + // subscribe(fullname, "released"); + // IMPORTANT w + addListener("registered", fullname); + addListener("released", fullname); + } + } else { + log.info("{} onRegistered already registered", fullname); + } + } catch (Exception e) { + log.error("onRegistered threw {}", registration, e); + } + } + + /** + * Listener for authentication. + * + * @param response + * The results from a foreign instance's + * {@link Runtime#describe(String, DescribeQuery)} + */ + public void onAuthenticate(DescribeResults response) { + log.info("onAuthenticate {}", response); + } + + /** + * Get a list of metadata about all services local to this instance. + * + * @return A list of metadata about local services + * @see ServiceData#getServiceTypes() + */ + public List getServiceTypes() { + List filteredTypes = new ArrayList<>(); + for (MetaData metaData : serviceData.getServiceTypes()) { + if (metaData.isAvailable()) { + filteredTypes.add(metaData); + } + } + return filteredTypes; + } + + /** + * Register a connection route from one instance to this one. + * + * @param uuid + * Unique ID for a connecting client + * @param id + * Name or ID of the connecting client + * @param connection + * Details of the connection + */ + @Override + public void addConnection(String uuid, String id, Connection connection) { + Connection attr = null; + if (!connections.containsKey(uuid)) { + attr = connection; + invoke("publishConnect", connection); + } else { + attr = connections.get(uuid); + attr.putAll(connection); + } + connections.put(uuid, attr); + // String id = (String)attr.get("id"); + + addRoute(id, uuid, 10); + } + + /** + * Unregister all connections that a specified client has made. + * + * @param uuid + * The ID of the client + */ + @Override + public void removeConnection(String uuid) { + + Connection conn = connections.remove(uuid); + + if (conn != null) { + invoke("publishDisconnect", uuid); + invoke("getConnections"); + + Set remoteIds = routeTable.getAllIdsFor(uuid); + for (String id : remoteIds) { + unregisterId(id); + } + routeTable.removeRoute(uuid); + } + } + + /** + * Unregister all services originating from the instance with the given ID. + * + * @param id + * The ID of the instance that is being unregistered + */ + public void unregisterId(String id) { + Set names = new HashSet<>(registry.keySet()); + for (String name : names) { + if (name.endsWith("@" + id)) { + unregister(name); + } + } + } + + public String publishDisconnect(String uuid) { + return uuid; + } + + // FIXME - filter only serializable objects ? + public Connection publishConnect(Connection attributes) { + return attributes; + } + + /** + * globally get all client + * + * @return connection map + */ + public Map getConnections() { + return connections; + } + + /** + * separated by connection - send connection name and get filter results back + * for a specific connections connected clients + * + * @param gatwayName + * name + * @return map of connections + * + */ + public Map getConnections(String gatwayName) { + Map ret = new HashMap<>(); + for (String uuid : connections.keySet()) { + Connection c = connections.get(uuid); + String gateway = (String) c.get("gateway"); + if (gatwayName == null || gateway.equals(gatwayName)) { + ret.put(uuid, c); + } + } + return ret; + } + + /** + * @return list connections - current connection names to this mrl runtime + * + */ + public Map lc() { + return getConnections(); + } + + /** + * get a specific clients data + * + * @param uuid + * uuid to get + * @return connection for uuid + * + */ + public Connection getConnection(String uuid) { + return connections.get(uuid); + } + + /** + * @return Globally get all connection uuids + * + */ + public List getConnectionUuids() { + return getConnectionUuids(null); + } + + /** + * Get whether a connection to the given client exists. + * + * @param uuid + * Unique ID of the client to check for + * @return Whether a connection between this instance and the given client + * exists + */ + boolean connectionExists(String uuid) { + return connections.containsKey(uuid); + } + + /** + * Get connection ids that belong to a specific gateway + * + * @param name + * n + * @return list of uuids + * + */ + public List getConnectionUuids(String name) { + List ret = new ArrayList<>(); + for (String uuid : connections.keySet()) { + Connection c = connections.get(uuid); + String gateway = (String) c.get("gateway"); + if (name == null || gateway.equals(name)) { + ret.add(uuid); + } + } + return ret; + } + + /** + * Get the Class instance for a specific service. + * + * @param inName + * The name of the service + * @return The Class of the service. + * @see #getFullName(String) + */ + public static Class getClass(String inName) { + String name = getFullName(inName); + ServiceInterface si = registry.get(name); + if (si == null) { + return null; + } + return si.getClass(); + } + + /** + * takes an id returns a connection uuid + * + * @param id + * id + * @return the connection + * + */ + public Connection getRoute(String id) { + return connections.get(routeTable.getRoute(id)); + } + + public RouteTable getRouteTable() { + return routeTable; + } + + /** + * get gateway based on remote address of a msg e.g. msg.getRemoteId() + * + * @param remoteId + * remote + * @return the gateway + * + */ + public Gateway getGatway(String remoteId) { + // get a connection from the route + Connection conn = getRoute(remoteId); + if (conn == null) { + log.debug("no connection for id {}", remoteId); + return null; + } + // find the gateway managing the connection + return (Gateway) getService((String) conn.get("gateway")); + } + + /** + * Get the full name of the service. A full name is defined as a "short name" + * plus the ID of the Runtime instance it is attached to. The two components + * are separated by an '@' character. If the given name is already a full + * name, it is returned immediately, otherwise a full name is constructed by + * assuming the service is local to this instance. Example: + * + * 

+   * {
+   *   @code
+   *   String shortName = "python";
+   *
+   *   // Assume the local name is "bombastic-cherry"
+   *   String fullName = getFullName(shortName);
+   *   // fullName is now "python@bombastic-cherry"
+   *
+   *   fullName = getFullName(fullName);
+   *   // fullName is unchanged because it was already a full name
+   *
+   * }
+   *
+ * + * + * @param shortname + * The name to convert to a full name + * @return shortname if it is already a full name, or a newly constructed full + * name + */ + static public String getFullName(String shortname) { + if (shortname == null || shortname.contains("@")) { + // already long form + return shortname; + } + // if nothing is supplied assume local + return String.format("%s@%s", shortname, Runtime.getInstance().getId()); + } + + @Override + public List getClientIds() { + return getConnectionUuids(getName()); + } + + @Override + public Map getClients() { + return getConnections(getName()); + } + + public void pollHosts() { + runtime.addTask(20000, "getHosts"); + } + + // FIXME - remove if not using ... + @Override + public void sendRemote(Message msg) throws IOException { + if (isLocal(msg)) { + log.error("msg NOT REMOTE yet sendRemote is called {}", msg); + return; + } + + // get a connection from the route + Connection conn = getRoute(msg.getId()); + if (conn == null) { + log.error("could not get connection for {} from msg {}", msg.getId(), msg); + return; + } + + // two possible types of "remote" for this gateway cli & ws + if ("Cli".equals(conn.get("c-type"))) { + invoke("publishCli", msg); + + InProcessCli cli = ((InProcessCli) conn.get("cli")); + cli.onMsg(msg); + + } else { + // websocket Client ! + WsClient client = (WsClient) conn.get("c-client"); + if (client == null) { + log.error("could not get client for connection {}", msg.getId()); + return; + } + + /** + * ====================================================================== + * DYNAMIC ROUTE TABLE - outbound msg hop starts now + */ + + // add our id - we don't want to see it again + msg.addHop(getId()); + + log.info("<== {}.{} <-- {}", msg.name, msg.method, msg.sender); + + /** + * ====================================================================== + */ + + client.send(CodecUtils.toJsonMsg(msg)); + } + } + + public Object publishCli(Message msg) { + if (msg.data == null || msg.data.length == 0) { + return null; + } + return msg.data[0]; + } + + /** + * DONT MODIFY NAME - JUST work on is Local - and InvokeOn should handle it + * + * if the incoming Message's remote Id is the (same as ours) OR (it can't be + * found it our route table) - peel it off and treat it as local. + * + * if we have an @{id/connection} but do not have the connection - we'll peel + * off the @{id/connection} and treat it as local if id is ours - peel it off + * ! + */ + @Override + public boolean isLocal(Message msg) { + + if (msg.getId() == null || getId().equals(msg.getId())) { + return true; + } + + return false; + } + + public Object localizeDefault(String key) { + key = key.toUpperCase(); + return defaultLocalization.get(key); + } + + static public void setAllLocales(String code) { + for (ServiceInterface si : getLocalServices().values()) { + si.setLocale(code); + } + } + + @Override + public String created(String name) { + return name; + } + + @Override + public String started(String name) { + // if this is to be used as a callback in Python + // users typically would want simple name ... not "fullname" + + return name; + } + + @Override + public String stopped(String name) { + return name; + } + + /** + * Wrapper for {@link ServiceData#getMetaData(String, String)} + * + * @param serviceName + * The name of the service + * @param serviceType + * The type of the service + * @return The metadata of the service. + */ + public static MetaData getMetaData(String serviceName, String serviceType) { + return ServiceData.getMetaData(serviceName, serviceType); + } + + /** + * Wrapper for {@link ServiceData#getMetaData(String)} + * + * @param serviceType + * The type of the service + * @return The metadata of the service. + */ + public static MetaData getMetaData(String serviceType) { + return ServiceData.getMetaData(serviceType); + } + + /** + * Whether the singleton has been created + * + * @return Whether the singleton exists + */ + public static boolean exists() { + return runtime != null; + } + + /** + * Attempt to get the most likely valid address priority would be a lan + * address - possibly the smallest class + * + * @return string address + * + */ + public String getAddress() { + List addresses = getIpAddresses(); + if (addresses.size() > 0) { + + // class priority + for (String ip : addresses) { + if (ip.startsWith("192.168")) { + return ip; + } + } + + for (String ip : addresses) { + if (ip.startsWith("172.")) { + return ip; + } + } + + for (String ip : addresses) { + if (ip.startsWith("10.")) { + return ip; + } + } + + // give up - return first :P + return addresses.get(0); + } + return null; + } + + public List getHosts() { + List ips = getIpAddresses(); + String selectedIp = (ips.size() == 1) ? ips.get(0) : null; + if (selectedIp == null) { + for (String ip : ips) { + if ((selectedIp != null) && (ip.startsWith(("192.")))) { + selectedIp = ip; + } else if (selectedIp == null) { + selectedIp = ip; + } + } + } + String subnet = selectedIp.substring(0, selectedIp.lastIndexOf(".")); + return getHosts(subnet); + } + + public List getHosts(String subnet) { + + if (hosts == null) { + hosts = new HashMap(); + File check = new File(FileIO.gluePaths(getDataDir(), "hosts.json")); + if (check.exists()) { + try { + Host[] hf = CodecUtils.fromJson(FileIO.toString(check), Host[].class); + for (Host h : hf) { + hosts.put(h.ip, h); + } + info("found %d saved hosts", hosts.size()); + } catch (Exception e) { + error("could not load %s - %s", check, e.getMessage()); + } + } + } + + int timeout = 1500; + try { + for (int i = 1; i < 255; i++) { + Thread pinger = new Thread(new Pinger(this, hosts, subnet + "." + i, timeout), "pinger-" + i); + pinger.start(); + } + } catch (Exception e) { + log.error("getHosts threw", e); + } + List h = new ArrayList<>(); + for (Host hst : hosts.values()) { + if (hst.lastActiveTs != null) { + h.add(hst); + } + } + return h; + } + + public Host publishFoundHost(Host host) { + log.info("found host {}", host); + return host; + } + + public Host publishFoundNewHost(Host host) { + log.info("found new host {}", host); + return host; + } + + public Host publishLostHost(Host host) { + log.info("lost host {}", host); + return host; + } + + public void saveHosts() throws IOException { + FileOutputStream fos = new FileOutputStream(FileIO.gluePaths(getDataDir(), "hosts.json")); + List h = new ArrayList<>(hosts.values()); + String json = CodecUtils.toPrettyJson(h); + fos.write(json.getBytes()); + fos.close(); + } + + /** + * start python interactively at the command line + */ + public void python() { + if (cli == null) { + startInteractiveMode(); + } + start("python", "Python"); + // since we've suscribed to pythons st + cli.relay("python", "exec", "publishStdOut"); + cli.relay("python", "exec", "publishStdError"); + Logging logging = LoggingFactory.getInstance(); + logging.removeAllAppenders(); + } + + /** + * Main entry point for the MyRobotLab Runtime Check CmdOptions for list of + * options -h help -v version -list jvm args -Dhttp.proxyHost=webproxy + * f-Dhttp.proxyPort=80 -Dhttps.proxyHost=webproxy -Dhttps.proxyPort=80 + * + * @param args + * cmd line args from agent spawn + * + */ + public static void main(String[] args) { + + try { + + // loading args + globalArgs = args; + new CommandLine(options).parseArgs(args); + log.info("in args {}", Launcher.toString(args)); + log.info("options {}", CodecUtils.toJson(options)); + log.info("\n" + Launcher.banner); + + // creating initial data/config directory + File cfgRoot = new File(ROOT_CONFIG_DIR); + cfgRoot.mkdirs(); + + // initialize logging + initLog(); + + // extract if necessary + FileIO.extractResources(); + + // help and exit + if (options.help) { + mainHelp(); + return; + } + + // start.yml file is required, if not pre-existing + // is created immediately. It contains static information + // which needs to be available before a Runtime is created + Runtime.startYml = ConfigUtils.loadStartYml(); + + // resolve configName before starting getting runtime configuration + Runtime.configName = (startYml.enable) ? startYml.config : "default"; + if (options.config != null) { + // cmd line options has the highest priority + Runtime.configName = options.config; + } + + // start.yml is processed, config name is set, runtime config + // is resolved, now we can start instance + Runtime.getInstance(); + + if (options.install != null) { + // resetting log level to info + // for an install otherwise ivy + // info will not be shown in the terminal + // during install of dependencies + // which makes users panic and hit ctrl+C + setLogLevel("info"); + + // we start the runtime so there is a status publisher which will + // display status updates from the repo install + log.info("requesting install"); + Repo repo = getInstance().getRepo(); + if (options.install.length == 0) { + repo.install(LIBRARIES, (String) null); + } else { + for (String service : options.install) { + repo.install(LIBRARIES, service); + } + } + shutdown(); + return; + } + + } catch (Exception e) { + log.error("runtime exception", e); + Runtime.mainHelp(); + shutdown(); + log.error("main threw", e); + } + } + + public static void initLog() { + if (options != null) { + LoggingFactory.init(options.logLevel); + } else { + LoggingFactory.init("info"); + } + } + + public void test() { + for (int statusCnt = 0; statusCnt < 500; statusCnt++) { + statusCnt++; + invoke("publishStatus", Status.info("this is status %d", statusCnt)); + } + } + + public Connection getConnectionFromId(String remoteId) { + for (Connection c : connections.values()) { + if (c.getId().equals(remoteId)) { + return c; + } + } + return null; + } + + /** + * A gateway is responsible for creating a key to associate a unique + * "Connection". This key should be retrievable, when a msg arrives at the + * service which needs to be sent remotely. This key is used to get the + * "Connection" to send the msg remotely + * + * @param string + * s + * @param uuid + * u + * + */ + public void addLocalGatewayKey(String string, String uuid) { + routeTable.addLocalGatewayKey(string, uuid); + } + + public boolean containsRoute(String remoteId) { + return routeTable.contains(remoteId); + } + + public String getConnectionUuidFromGatewayKey(String gatewayKey) { + return routeTable.getConnectionUuid(gatewayKey); + } + + /** + * This helper method will create, load then start a service + * + * @param name + * - name of instance + * @param type + * - type + * @return returns the service in the form of a ServiceInterface + */ + static public ServiceInterface loadAndStart(String name, String type) { + ServiceInterface s = null; + try { + s = create(name, type); + s.load(); + s.startService(); + } catch (Exception e) { + log.error("loadAndStart threw", e); + } + return s; + } + + /** + * DEFAULT IF NOTHING EXISTS DO NOT DEFAULT SOMETHING THAT'S ALREADY IN PLAN + * OVERRIDE WITH FILE + * + * Load a single service entry into the plan through yml or default. This + * method is responsible for resolving the Type and ServiceConfig for a single + * service. Since some service Types are composites and require Peers, it can + * potentially be recursive. The level of overrides are from highest priority + * to lowest : + * + * 
+   *       if a Plan definition of {name} exists, use it   - "current" plan definition !
+   *       /data/config/{configName}/{service}.yml          - user's yml override
+   *       /resource/config/{configName}/{service}.yml      - system yml default
+   *       {ServiceConfig}.java                             - system java type default
+   * 
+   * 
+   *
+ * + * @param plan + * - plan to load + * @param name + * - name of service + * @param type + * - type of service + * @param start + * - weather to specify in RuntimeConfig.registry to "start" this + * service when createFromPlan is run + * @param level + * - level of the depth, services may load peers which in turn will + * load more, this is the depth of recursion + * @return + * @throws IOException + */ + public Plan loadService(Plan plan, String name, String type, boolean start, int level) throws IOException { + synchronized (processLock) { + + if (plan == null) { + log.error("plan required to load a system"); + return null; + } + + log.info("loading - {} {} {}", name, type, level); + // from recursive memory definition + ServiceConfig sc = plan.get(name); + + // HIGHEST PRIORITY - OVERRIDE WITH FILE + String configPath = runtime.getConfigPath(); + String configFile = configPath + fs + name + ".yml"; + + // PRIORITY #1 + // find if a current yml config file exists - highest priority + log.debug("priority #1 user's yml override {} ", configFile); + ServiceConfig fileSc = readServiceConfig(Runtime.getInstance().getConfigName(), name); + if (fileSc != null) { + // if definition exists in file form, it overrides current memory one + sc = fileSc; + } else if (sc != null) { + // if memory config is available but not file + // we save it + String yml = CodecUtils.toYaml(sc); + FileIO.toFile(configFile, yml); + } + + // special conflict case - type is specified, but its not the same as + // file version - in that case specified parameter type wins and + // overwrites + // config. User can force type by supplying one as a parameter, however, + // the + // recursive + // call other peer types will have name/file.yml definition precedence + if ((type != null && sc != null && !type.equals(sc.type) && level == 0) || (sc == null)) { + if (sc != null) { + warn("type %s overwriting type %s specified in %s.yml file", type, sc.type, name); + } + ServiceConfig.getDefault(plan, name, type); + sc = plan.get(name); + + // create new file if it didn't exist or overwrite it if new type is + // required + String yml = CodecUtils.toYaml(sc); + FileIO.toFile(configFile, yml); + } + + if (sc == null && type == null) { + log.error("no local config and unknown type"); + return plan; + } + + // finalize + if (sc != null) { + plan.put(name, sc); + // RECURSIVE load peers + Map peers = sc.getPeers(); + for (String peerKey : peers.keySet()) { + Peer peer = peers.get(peerKey); + // recursive depth load - parent and child need to be started + runtime.loadService(plan, peer.name, peer.type, start && peer.autoStart, level + 1); + } + + // valid service config at this point - now determine if its supposed to + // start or not + // if its level 0 then it was requested by user or config - so it needs + // to + // start + // if its not level 0 then it was loaded because peers were defined and + // appropriate config loaded + // peer.autoStart should determine if the peer starts if not explicitly + // requested by the + // user or config + if (level == 0 || start) { + plan.addRegistry(name); + } + + } else { + log.info("could not load {} {} {}", name, type, level); + } + + return plan; + } + } + + /** + * read a service's configuration, in the context of current config set name + * or default + * + * @param name + * @return + */ + public ServiceConfig readServiceConfig(String name) { + return readServiceConfig(name, new StaticType<>() { + }); + } + + /** + * read a service's configuration, in the context of current config set name + * or default + * + * @param name + * @return + */ + public C readServiceConfig(String name, StaticType configType) { + return readServiceConfig(null, name, configType); + } + + public ServiceConfig readServiceConfig(String configName, String name) { + return readServiceConfig(configName, name, new StaticType<>() { + }); + } + + /** + * + * @param configName + * - filename or dir of config set + * @param name + * - name of config file within that dir e.g. {name}.yml + * @return + */ + public C readServiceConfig(String configName, String name, StaticType configType) { + // if config path set and yaml file exists - it takes precedence + + if (configName == null) { + configName = runtime.getConfigName(); + } + + if (configName == null) { + log.info("config name is null cannot load {} file system", name); + return null; + } + + String filename = ROOT_CONFIG_DIR + fs + configName + fs + name + ".yml"; + File check = new File(filename); + C sc = null; + if (check.exists()) { + try { + sc = CodecUtils.readServiceConfig(filename, configType); + } catch (ConstructorException e) { + error("config %s invalid %s %s. Please remove it from the file.", name, filename, e.getCause().getMessage()); + } catch (Exception e) { + error("config could not load %s file is invalid", filename); + } + } + return sc; + } + + public String publishConfigLoaded(String name) { + return name; + } + + @Override + public RuntimeConfig apply(RuntimeConfig config) { + super.apply(config); + + setLocale(config.locale); + + if (config.id == null) { + config.id = NameGenerator.getName(); + } + + if (config.logLevel != null) { + setLogLevel(config.logLevel); + } + + if (config.virtual != null) { + info("setting virtual to %b", config.virtual); + setAllVirtual(config.virtual); + } + + // APPLYING A RUNTIME CONFIG DOES NOT PROCESS THE REGISTRY + // USE startConfig(name) + + broadcastState(); + return config; + } + + /** + * release the current config + */ + static public void releaseConfig() { + String currentConfigPath = Runtime.getInstance().getConfigName(); + if (currentConfigPath != null) { + releaseConfigPath(currentConfigPath); + } + } + + /** + * wrapper + * + * @param configName + */ + static public void releaseConfig(String configName) { + setConfig(configName); + releaseConfigPath(Runtime.getInstance().getConfigName()); + } + + /** + * Release a configuration set - this depends on a runtime file - and it will + * release all the services defined in it, with the exception of the + * originally started services + * + * @param configPath + * config set to release + * + */ + static public void releaseConfigPath(String configPath) { + try { + String filename = ROOT_CONFIG_DIR + fs + Runtime.getInstance().getConfigName() + fs + "runtime.yml"; + String releaseData = FileIO.toString(new File(filename)); + RuntimeConfig config = CodecUtils.fromYaml(releaseData, RuntimeConfig.class); + List registry = config.getRegistry(); + Collections.reverse(Arrays.asList(registry)); + + // get starting services if any entered on the command line + // -s log Log webgui WebGui ... etc - these will be protected + List startingServices = new ArrayList<>(); + if (options.services.size() % 2 == 0) { + for (int i = 0; i < options.services.size(); i += 2) { + startingServices.add(options.services.get(i)); + } + } + + for (String name : registry) { + if (startingServices.contains(name)) { + continue; + } + release(name); + } + } catch (Exception e) { + Runtime.getInstance().error("could not release %s", configPath); + } + } + + public static String getConfigRoot() { + return ROOT_CONFIG_DIR; + } + + /** + * wrapper for saveConfigPath with default prefix path supplied + * + * @param configName + * @return + */ + static public boolean saveConfig(String configName) { + Runtime runtime = Runtime.getInstance(); + if (configName == null) { + runtime.error("saveConfig require a name cannot be null"); + return false; + } + boolean ret = runtime.saveService(configName, null, null); + runtime.broadcastState(); + return ret; + } + + /** + * + * Saves the current runtime, all services and all configuration for each + * service in the current "config path", if the config path does not exist + * will error + * + * @param configName + * - config set name if null defaults to default + * @param serviceName + * - service name if null defaults to saveAll + * @param filename + * - if not explicitly set - will be standard yml filename + * @return - true if all goes well + */ + public boolean saveService(String configName, String serviceName, String filename) { + try { + + if (configName == null) { + error("config name cannot be null"); + return false; + } + + setConfig(configName); + + String configPath = ROOT_CONFIG_DIR + fs + configName; + + // save running services + Set servicesToSave = new HashSet<>(); + + // conditional boolean to flip and save a config name to start.yml ? + if (startYml.enable) { + startYml.config = configName; + FileIO.toFile("start.yml", CodecUtils.toYaml(startYml)); + } + + if (serviceName == null) { + // all services + servicesToSave = getLocalServices().keySet(); + } else { + // single service + servicesToSave.add(serviceName); + } + + for (String s : servicesToSave) { + ServiceInterface si = getService(s); + // TODO - switch to save "NON FILTERED" config !!!! + // get filtered clone of config for saving + ServiceConfig config = si.getFilteredConfig(); + String data = CodecUtils.toYaml(config); + String ymlFileName = configPath + fs + CodecUtils.getShortName(s) + ".yml"; + FileIO.toFile(ymlFileName, data.getBytes()); + info("saved %s", ymlFileName); + } + + invoke("publishConfigList"); + return true; + + } catch (Exception e) { + error(e); + } + return false; + } + + public String getConfigName() { + return configName; + } + + public boolean isProcessingConfig() { + return processingConfig; + } + + /** + * Sets the directory for the current config. This will be under configRoot + + * fs + configName. Static wrapper around setConfigName - so it can be used in + * the same way as all the other common static service methods + * + * @param name + * - config dir name under data/config/{config} + * @return config dir name + */ + public static String setConfig(String name) { + if (name == null) { + log.error("config cannot be null"); + if (runtime != null) { + runtime.error("config cannot be null"); + } + return null; + } + + if (name.contains(fs)) { + log.error("invalid character " + fs + " in configuration name"); + if (runtime != null) { + runtime.error("invalid character " + fs + " in configuration name"); + } + return name; + } + + configName = name.trim(); + + File configDir = new File(ROOT_CONFIG_DIR + fs + name); + if (!configDir.exists()) { + configDir.mkdirs(); + } + + if (runtime != null) { + runtime.invoke("publishConfigList"); + runtime.invoke("getConfigName"); + } + + return configName; + } + + public String deleteConfig(String configName) { + + File trashDir = new File(DATA_DIR + fs + "trash"); + if (!trashDir.exists()) { + trashDir.mkdirs(); + } + + File configDir = new File(ROOT_CONFIG_DIR + fs + configName); + // Create a new directory in the trash with a timestamp to avoid name + // conflicts + File trashTargetDir = new File(trashDir, configName + "_" + System.currentTimeMillis()); + try { + // Use Files.move to move the directory atomically + Files.move(configDir.toPath(), trashTargetDir.toPath(), StandardCopyOption.REPLACE_EXISTING); + log.info("Config moved to trash: " + trashTargetDir.getAbsolutePath()); + invoke("publishConfigList"); + } catch (IOException e) { + error("Failed to move config directory to trash: " + e.getMessage()); + return null; // Return null or throw a custom exception to indicate + // failure + } + + return configName; + } + + // FIXME - move this to service and add default (no servicename) method + // signature + @Deprecated /* + * I don't think this was a good solution - to handle interface + * lists in the js client - the js runtime should register for + * lifecycle events, the individiual services within that js + * runtime should only have local event handling to change attach + * lists + */ + public void registerForInterfaceChange(String requestor, Class interestedInterface) { + registerForInterfaceChange(interestedInterface.getCanonicalName()); + } + + /** + * Builds the requestedAttachMatrix which is a mapping between new types and + * their requested interfaces - interfaces they are interested in. + * + * This data should be published whenever new "Type" definitions are found + * + * @param targetedInterface + * - interface this add new interface to requested interfaces - add + * current names of services which fulfill that interface "IS ASKING" + * + */ + public void registerForInterfaceChange(String targetedInterface) { + // boolean changed + Set namesForRequestedInterface = interfaceToNames.get(targetedInterface); + if (namesForRequestedInterface == null) { + namesForRequestedInterface = new HashSet<>(); + interfaceToNames.put(targetedInterface, namesForRequestedInterface); + } + + // search through interfaceToType to find all types that implement this + // interface + + if (interfaceToType.containsKey(targetedInterface)) { + Set types = interfaceToType.get(targetedInterface); + if (types != null) { + for (String type : types) { + Set names = typeToNames.get(type); + namesForRequestedInterface.addAll(names); + } + } + } + invoke("publishInterfaceToNames"); + } + + /** + * Published whenever a new service type definition if found + * + * @return + */ + public Map> publishInterfaceTypeMatrix() { + return interfaceToType; + } + + public Map> publishInterfaceToNames() { + return interfaceToNames; + } + + static public Plan saveDefault(String className) { + try { + Runtime runtime = Runtime.getInstance(); + return runtime.saveDefault(className.toLowerCase(), className); + } catch (Exception e) { + log.error("saving default config failed", e); + } + return null; + } + + /** + * Helper method - returns if a service is started + * + * @param name + * - name of service + * @return - true if started + */ + static public boolean isStarted(String name) { + String fullname = null; + if (name == null) { + return false; + } + if (!name.contains("@")) { + fullname = name + "@" + Runtime.getInstance().getId(); + } else { + fullname = name; + } + if (registry.containsKey(fullname)) { + ServiceInterface si = registry.get(fullname); + return si.isRunning(); + } + + return false; + } + + /** + * Load all configuration files from a given directory. + * + * @param configPath + * The directory to load from + */ + public static void loadConfigPath(String configPath) { + + Runtime.setConfig(configPath); + Runtime runtime = Runtime.getInstance(); + + String configSetDir = runtime.getConfigName() + fs + runtime.getConfigName(); + File check = new File(configSetDir); + if (configPath == null || configPath.isEmpty() || !check.exists() || !check.isDirectory()) { + runtime.error("config set %s does not exist or is not a directory", check.getAbsolutePath()); + return; + } + + File[] configFiles = check.listFiles(); + runtime.info("%d config files found", configFiles.length); + for (File f : configFiles) { + if (!f.getName().toLowerCase().endsWith(".yml")) { + log.info("{} - none yml file found in config set", f.getAbsolutePath()); + } else { + runtime.loadFile(f.getAbsolutePath()); + } + } + } + + /** + * Load a service from a file + * + * @param path + * The full path of the file to load - this DOES NOT set the + * configPath + */ + public void loadFile(String path) { + try { + File f = new File(path); + if (!f.exists() || f.isDirectory()) { + error("loadFile cannot load %s - it does not exist", path); + return; + } + String name = f.getName().substring(0, f.getName().length() - 4); + ServiceConfig sc = CodecUtils.readServiceConfig(path); + loadService(new Plan("runtime"), name, sc.type, true, 0); + } catch (Exception e) { + error("loadFile requirese"); + } + } + + final public Plan getDefault(String name, String type) { + return ServiceConfig.getDefault(new Plan("runtime"), name, type); + } + + final public Plan saveDefault(String name, String type) { + return saveDefault(name, name, type, false); + } + + final public Plan saveDefault(String name, String type, boolean fullPlan) { + return saveDefault(name, name, type, fullPlan); + } + + final public Plan saveDefault(String configName, String name, String type, boolean fullPlan) { + + Plan plan = ServiceConfig.getDefault(new Plan(name), name, type); + String configPath = ROOT_CONFIG_DIR + fs + configName; + + if (!fullPlan) { + try { + String filename = configPath + fs + name + ".yml"; + ServiceConfig sc = plan.get(name); + String yaml = CodecUtils.toYaml(sc); + FileIO.toFile(filename, yaml); + info("saved %s", filename); + } catch (IOException e) { + error(e); + } + } else { + for (String service : plan.keySet()) { + try { + String filename = configPath + fs + service + ".yml"; + ServiceConfig sc = plan.get(service); + String yaml = CodecUtils.toYaml(sc); + FileIO.toFile(filename, yaml); + info("saved %s", filename); + } catch (IOException e) { + error(e); + } + } + } + return plan; + } + + public void savePlan(String name, String type) { + saveDefault(name, type, true); + } + + public void saveAllDefaults() { + saveAllDefaults(new File(getResourceDir()).getParent(), false); + } + + public void saveAllDefaults(String configPath, boolean fullPlan) { + List types = serviceData.getAvailableServiceTypes(); + for (MetaData meta : types) { + saveDefault(configPath + fs + meta.getSimpleName(), meta.getSimpleName().toLowerCase(), meta.getSimpleName(), fullPlan); + } + } + + /** + * Get current runtime's config path + * + * @return + */ + public String getConfigPath() { + return ROOT_CONFIG_DIR + fs + configName; + } + + /** + * Gets a {serviceName}.yml file config from configName directory + * + * @param configName + * @param serviceName + * @return ServiceConfig + */ + public ServiceConfig getConfig(String configName, String serviceName) { + return readServiceConfig(configName, serviceName); + } + + /** + * Get a {serviceName}.yml file in the current config directory + * + * @param serviceName + * @return + */ + public ServiceConfig getConfig(String serviceName) { + return readServiceConfig(serviceName); + } + + /** + * Save a config with a new Config + * + * @param name + * @param serviceConfig + * @throws IOException + */ + public static void saveConfig(String name, ServiceConfig serviceConfig) throws IOException { + String file = Runtime.ROOT_CONFIG_DIR + fs + runtime.getConfigName() + fs + name + ".yml"; + FileIO.toFile(file, CodecUtils.toYaml(serviceConfig)); + } + + /** + * get the service's peer config + * + * @param serviceName + * @param peerKey + * @return + */ + public ServiceConfig getPeerConfig(String serviceName, String peerKey) { + ServiceConfig sc = runtime.getConfig(serviceName); + if (sc == null) { + return null; + } + Peer peer = sc.getPeer(peerKey); + return runtime.getConfig(peer.name); + } + + /** + * Switches a service's .yml type definition while replacing the set of + * listeners to preserver subscriptions. Useful when switching services that + * support the same interface like SpeechSynthesis services etc. + * + * @param serviceName + * @param type + * @return + */ + public boolean changeType(String serviceName, String type) { + try { + ServiceConfig sc = getConfig(serviceName); + if (sc == null) { + error("could not find %s config", serviceName); + return false; + } + // get target + Plan targetPlan = getDefault(serviceName, type); + if (targetPlan == null || targetPlan.get(serviceName) == null) { + error("%s null", type); + return false; + } + ServiceConfig target = targetPlan.get(serviceName); + // replacing listeners + target.listeners = sc.listeners; + saveConfig(serviceName, target); + return true; + } catch (Exception e) { + error("could not save %s of type %s", serviceName, type); + return false; + } + } + + /** + * Get a peer's config + * + * @param sericeName + * @param peerKey + * @return + */ + public ServiceConfig getPeer(String sericeName, String peerKey) { + ServiceConfig sc = getConfig(sericeName); + if (sc == null) { + return null; + } + Peer peer = sc.getPeer(peerKey); + if (peer == null) { + return null; + } + return getConfig(peer.name); + } + + /** + * Removes a config set and all its files + * + * @param configName + * - name of config + */ + public static void removeConfig(String configName) { + try { + log.info("removing config"); + + File check = new File(ROOT_CONFIG_DIR + fs + configName); + + if (check.exists()) { + Path pathToBeDeleted = Paths.get(check.getAbsolutePath()); + Files.walk(pathToBeDeleted).sorted(Comparator.reverseOrder()).map(Path::toFile).forEach(File::delete); + } + } catch (Exception e) { + log.error("removeConfig threw", e); + } + } }