keep socket waiting test

src/main/java/vip/fubuki/playersync/sync/chat/ChatSyncClient.java

@@ -23,9 +23,6 @@ public class ChatSyncClient {
     private static final int RECONNECT_DELAY = 5000;
     private static final int MAX_RECONNECT_ATTEMPTS = 10;
 
-    private static volatile long lastHeartbeat = System.currentTimeMillis();
-    private static final long HEARTBEAT_INTERVAL = 15000;
-
     public void run() {
         int reconnectAttempts = 0;
 
@@ -48,28 +45,19 @@ public class ChatSyncClient {
                         15000
                 );
 
-                clientSocket.setSoTimeout(30000);
+                clientSocket.setSoTimeout(0);
 
                 out = new PrintWriter(new BufferedWriter(
                         new OutputStreamWriter(clientSocket.getOutputStream())), true);
 
                 PlayerSync.LOGGER.info("Successfully connected to chat server");
                 reconnectAttempts = 0;
-                lastHeartbeat = System.currentTimeMillis();
-
-                startHeartbeatMonitor();
 
                 BufferedReader in = new BufferedReader(
                         new InputStreamReader(clientSocket.getInputStream()));
 
                 String serverMessage;
                 while (running && (serverMessage = in.readLine()) != null) {
-                    lastHeartbeat = System.currentTimeMillis();
-
-                    if ("<heartbeat>".equals(serverMessage)) {
-                        continue;
-                    }
-
                     PlayerSync.LOGGER.info("Received message from chat server: " + serverMessage);
                     Component textComponents = Component.nullToEmpty(serverMessage);
                     if(playerList != null){
@@ -104,32 +92,6 @@ public class ChatSyncClient {
         }
     }
 
-    private void startHeartbeatMonitor() {
-        Thread heartbeatThread = new Thread(() -> {
-            while (running && clientSocket != null && !clientSocket.isClosed()) {
-                try {
-                    Thread.sleep(10000); // 每10秒检查一次
-
-                    long now = System.currentTimeMillis();
-                    if (now - lastHeartbeat > HEARTBEAT_INTERVAL) {
-                        PlayerSync.LOGGER.warn("No heartbeat for {}ms, sending test message",
-                                now - lastHeartbeat);
-
-                        // 发送测试消息检查连接
-                        if (out != null) {
-                            out.println("<heartbeat>");
-                        }
-                    }
-                } catch (InterruptedException e) {
-                    Thread.currentThread().interrupt();
-                    break;
-                }
-            }
-        }, "ChatSync-Heartbeat");
-        heartbeatThread.setDaemon(true);
-        heartbeatThread.start();
-    }
-
     private void closeConnection() {
         try {
             if (out != null) {

src/main/java/vip/fubuki/playersync/sync/chat/ChatSyncServer.java

@@ -3,7 +3,10 @@ package vip.fubuki.playersync.sync.chat;
 import vip.fubuki.playersync.PlayerSync;
 import vip.fubuki.playersync.config.JdbcConfig;
 
-import java.io.*;
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.io.PrintWriter;
 import java.net.ServerSocket;
 import java.net.Socket;
 import java.net.SocketTimeoutException;
@@ -26,12 +29,10 @@ public class ChatSyncServer {
             serverSocket.setReuseAddress(true);
             PlayerSync.LOGGER.info("Chat server started successfully on port {}", JdbcConfig.CHAT_SERVER_PORT.get());
 
-            startHeartbeatBroadcast();
-
             while (running && !Thread.currentThread().isInterrupted()) {
                 try {
                     Socket newSocket = serverSocket.accept();
-                    newSocket.setSoTimeout(30000);
+                    newSocket.setSoTimeout(0);
                     SocketList.add(newSocket);
                     executorService.submit(() -> handleClient(newSocket));
                     PlayerSync.LOGGER.info("New client connected, total clients: {}", SocketList.size());
@@ -96,47 +97,6 @@ public class ChatSyncServer {
         }
     }
 
-    private void startHeartbeatBroadcast() {
-        Thread heartbeatThread = new Thread(() -> {
-            while (running) {
-                try {
-                    Thread.sleep(20000);
-                    broadcastHeartbeat();
-                } catch (InterruptedException e) {
-                    Thread.currentThread().interrupt();
-                    break;
-                }
-            }
-        }, "ChatSync-Server-Heartbeat");
-        heartbeatThread.setDaemon(true);
-        heartbeatThread.start();
-    }
-
-    private void broadcastHeartbeat() {
-        Iterator<Socket> iterator = SocketList.iterator();
-        while (iterator.hasNext()) {
-            Socket socket = iterator.next();
-            if (!socket.isClosed()) {
-                try {
-                    PrintWriter writer = new PrintWriter(
-                            new BufferedWriter(
-                                    new OutputStreamWriter(socket.getOutputStream())), true);
-                    writer.println("<heartbeat>");
-                } catch (IOException e) {
-                    PlayerSync.LOGGER.warn("Failed to send heartbeat to client, removing: {}", e.getMessage());
-                    iterator.remove();
-                    try {
-                        socket.close();
-                    } catch (IOException ex) {
-                        // Ignore
-                    }
-                }
-            } else {
-                iterator.remove();
-            }
-        }
-    }
-
     public void shutdown() {
         running = false;
         try {