Change client side protocol version

idoknow · Jul 7, 2021 · 896e5fb · 896e5fb
1 parent e4b00b4
commit 896e5fb
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Showing 3 changed files with 50 additions and 5 deletions.
diff --git a/BasicInfoAPI/src/main/conn/MinecraftServer.java b/BasicInfoAPI/src/main/conn/MinecraftServer.java
@@ -11,6 +11,7 @@
 import java.net.Socket;
 import java.nio.charset.StandardCharsets;
 import java.util.ArrayList;
+import java.util.Date;
 
 /**
  * A MinecraftServer instance provides methods to create connection to server and communicate with peer.
@@ -31,11 +32,15 @@ public class MinecraftServer extends Thread implements IServerInfo {
 
     public MinecraftServer(String host,int port,boolean debugMode)throws Exception{
         debug=debugMode;
+        long start=new Date().getTime();
         init(host,port);
+        debugMsg("Spent:"+(new Date().getTime()-start)+"ms");
     }
     public MinecraftServer(String host,int port)throws Exception{
         debug=false;
-        init(host, port);
+        long start=new Date().getTime();
+        init(host,port);
+        debugMsg("Spent:"+(new Date().getTime()-start)+"ms");
     }
 
 
@@ -55,7 +60,7 @@ public void init(String host,int port)throws Exception {
         dataInputStream=new DataInputStream(socket.getInputStream());
         dataOutputStream=new DataOutputStream(socket.getOutputStream());
         debugMsg("SocketMadeSuccessfully.");
-        new PacketSend(0).addVarInt(-1)
+        new PacketSend(0).addVarInt(755)
                 .addString(host)
                 .addShort(port)
                 .addVarInt(1).write(dataOutputStream);
@@ -64,7 +69,7 @@ public void init(String host,int port)throws Exception {
         try {
             jsonStr=new PacketRecv(dataInputStream).popString();
             debugMsg("ReadJSONData:"+jsonStr);
-            response = new Gson().fromJson(jsonStr, Response.class);
+            response = new Gson().fromJson(jsonStr.endsWith("}")?jsonStr:jsonStr+"}", Response.class);
             if (response==null){
                 available=false;
                 debugMsg("ResponseIsNull.");
@@ -213,6 +218,16 @@ static class version{
         }
         version version;
         String favicon;
+        static class modinfo{
+            String type;
+            static class mod{
+                String modid;
+                String version;
+            }
+            mod[] modList;
+        }
+        modinfo modinfo;
+
     }
 
     @Override

diff --git a/BasicInfoAPI/src/test/conn/ConnectMethodTest.java b/BasicInfoAPI/src/test/conn/ConnectMethodTest.java
@@ -0,0 +1,30 @@
+package test.conn;
+
+import java.net.*;
+
+public class ConnectMethodTest {
+    static String host="s.maxkim.vip";
+    public static void main(String[] args)throws Exception {
+        try
+        {
+            InetAddress ia1=InetAddress.getByName(host);
+            System.out.println(ia1.getHostName());
+            System.out.println(ia1.getHostAddress());
+        }
+        catch(UnknownHostException e)
+        {
+            e.printStackTrace();
+        }
+        Socket socket=new Socket();
+        socket.connect(new InetSocketAddress(getHost(),25565),10000);
+
+    }
+    public static String getHost() {
+        try {
+            return IDN.toASCII(host);
+        }
+        catch (IllegalArgumentException illegalArgumentException2) {
+            return "";
+        }
+    }
+}
diff --git a/BasicInfoAPI/src/test/conn/MinecraftServerTest.java b/BasicInfoAPI/src/test/conn/MinecraftServerTest.java
@@ -9,7 +9,7 @@
 
 public class MinecraftServerTest {
     public static void main(String[] args)throws Exception {
-        MinecraftServer minecraftServer=new MinecraftServer("cecelia.cn",25565,true);
+        MinecraftServer minecraftServer=new MinecraftServer("s.maxkim.vip",25565,true);
         System.out.println("available:"+minecraftServer.isAvailable());
         System.out.println("version:name:"+minecraftServer.getVersionName()+" protocol:"+minecraftServer.getVersionProtocol());
         System.out.println("defaultDescription:color:"+minecraftServer.getDefaultDescriptionColor()+" text:"+minecraftServer.getDefaultDescriptionText());
@@ -42,4 +42,4 @@ public FaviconDisplay(BufferedImage img){
             this.bufferedImage=img;
         }
     }
-}
+}