Merge pull request #490 from pennam/dev-thi-loop-fix

Improve device and thing state machine message handling and fix infinite disconnetct loop

src/ArduinoIoTCloudDevice.cpp

@@ -38,6 +38,19 @@ void ArduinoCloudDevice::begin() {
 }
 
 void ArduinoCloudDevice::update() {
+  handleMessage(nullptr);
+}
+
+int ArduinoCloudDevice::connected() {
+  return _state != State::Disconnected ? 1 : 0;
+}
+
+void ArduinoCloudDevice::handleMessage(Message *m) {
+  _command = UnknownCmdId;
+  if (m != nullptr) {
+    _command = m->id;
+  }
+
   /* Run through the state machine. */
   State nextState = _state;
   switch (_state) {
@@ -80,17 +93,6 @@ void ArduinoCloudDevice::update() {
   _state = nextState;
 }
 
-int ArduinoCloudDevice::connected() {
-  return _state != State::Disconnected ? 1 : 0;
-}
-
-void ArduinoCloudDevice::handleMessage(Message *m) {
-  _command = UnknownCmdId;
-  if (m != nullptr) {
-    _command = m->id;
-  }
-}
-
 ArduinoCloudDevice::State ArduinoCloudDevice::handleInit() {
   /* Reset attempt struct for the nex retry after disconnection */
   _attachAttempt.begin(AIOT_CONFIG_DEVICE_TOPIC_SUBSCRIBE_RETRY_DELAY_ms,

src/ArduinoIoTCloudThing.cpp

@@ -59,6 +59,23 @@ void ArduinoCloudThing::begin() {
 }
 
 void ArduinoCloudThing::update() {
+  handleMessage(nullptr);
+}
+
+int ArduinoCloudThing::connected() {
+  return _state > State::Disconnect ? 1 : 0;
+}
+
+void ArduinoCloudThing::handleMessage(Message* m) {
+  _command = UnknownCmdId;
+  if (m != nullptr) {
+    _command = m->id;
+    if (_command == TimezoneCommandDownId) {
+      _utcOffset = reinterpret_cast<TimezoneCommandDown*>(m)->params.offset;
+      _utcOffsetExpireTime = reinterpret_cast<TimezoneCommandDown*>(m)->params.until;
+    }
+  }
+
   /* Run through the state machine. */
   State nextState = _state;
   switch (_state) {
@@ -95,21 +112,6 @@ void ArduinoCloudThing::update() {
   _state = nextState;
 }
 
-int ArduinoCloudThing::connected() {
-  return _state > State::Disconnect ? 1 : 0;
-}
-
-void ArduinoCloudThing::handleMessage(Message* m) {
-  _command = UnknownCmdId;
-  if (m != nullptr) {
-    _command = m->id;
-    if (_command == TimezoneCommandDownId) {
-      _utcOffset = reinterpret_cast<TimezoneCommandDown*>(m)->params.offset;
-      _utcOffsetExpireTime = reinterpret_cast<TimezoneCommandDown*>(m)->params.until;
-    }
-  }
-}
-
 ArduinoCloudThing::State ArduinoCloudThing::handleInit() {
   _syncAttempt.begin(AIOT_CONFIG_TIMEOUT_FOR_LASTVALUES_SYNC_ms);
   return State::RequestLastValues;