new method to sync chat

src/main/java/vip/fubuki/playersync/config/JdbcConfig.java

@@ -18,6 +18,10 @@ public class JdbcConfig {
     public static ForgeConfigSpec.ConfigValue<List<String>> SYNC_WORLD;
     public static ForgeConfigSpec.BooleanValue USE_SSL;
     public static ForgeConfigSpec.BooleanValue SYNC_CHAT;
+    public static ForgeConfigSpec.BooleanValue IS_CHAT_SERVER;
+    public static ForgeConfigSpec.ConfigValue<String> CHAT_SERVER_IP;
+    public static ForgeConfigSpec.IntValue CHAT_SERVER_PORT;
+    public static ForgeConfigSpec.IntValue CHAT_CLIENT_PORT;
 
     public static ForgeConfigSpec.ConfigValue<Integer> SERVER_ID;
 
@@ -34,6 +38,10 @@ public class JdbcConfig {
         SERVER_ID = COMMON_BUILDER.comment("the server id should be unique").define("Server_id", new Random().nextInt(1,Integer.MAX_VALUE-1));
         SYNC_WORLD = COMMON_BUILDER.comment("The worlds that will be synchronized.If running in server it is supposed to have only one").define("sync_world", new ArrayList<>());
         SYNC_CHAT= COMMON_BUILDER.comment("Whether synchronize chat").define("sync_chat", true);
+        IS_CHAT_SERVER = COMMON_BUILDER.comment("Whether recieve messages from other servers as host").define("IsChatServer",false);
+        CHAT_SERVER_IP = COMMON_BUILDER.define("ChatServerIP","127.0.0.1");
+        CHAT_SERVER_PORT = COMMON_BUILDER.defineInRange("ChatServerPort",7900,0,65535);
+        CHAT_CLIENT_PORT = COMMON_BUILDER.defineInRange("ChatClientPort",7980,0,655535);
         COMMON_BUILDER.pop();
         COMMON_CONFIG = COMMON_BUILDER.build();
     }

src/main/java/vip/fubuki/playersync/sync/ChatSync.java

@@ -6,45 +6,115 @@ import net.minecraft.server.players.PlayerList;
 import net.minecraftforge.common.MinecraftForge;
 import net.minecraftforge.event.entity.player.PlayerEvent;
 import net.minecraftforge.eventbus.api.SubscribeEvent;
-import vip.fubuki.playersync.util.JDBCsetUp;
+import vip.fubuki.playersync.config.JdbcConfig;
 
-import java.sql.Connection;
+import java.io.IOException;
-import java.sql.PreparedStatement;
+import java.io.InputStream;
-import java.sql.ResultSet;
+import java.io.OutputStream;
-import java.sql.SQLException;
+import java.net.ServerSocket;
+import java.net.Socket;
 import java.util.Objects;
+import java.util.Scanner;
+import java.util.Set;
 import java.util.UUID;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
 
 public class ChatSync {
-    static int tick = 0;
-    static long current = System.currentTimeMillis();
 
     static PlayerList playerList;
 
+    static ServerSocket serverSocket;
+    static Socket clientSocket;
+    static Set<Socket> SocketList;
+    static ExecutorService executorService = Executors.newCachedThreadPool();
+
     public static void register(){
+        if(JdbcConfig.IS_CHAT_SERVER.get())
+            new Thread(ChatSync::ServerSocket).start();
+        ClientSocket();
         MinecraftForge.EVENT_BUS.register(ChatSync.class);
     }
 
-    @SubscribeEvent
+
-    public static void onPlayerChat(net.minecraftforge.event.ServerChatEvent event) throws SQLException {
+    private static void ServerSocket() {
-        String sql = "INSERT INTO chat (player, message, timestamp) VALUES (?, ?, ?)";
+        try {
-        try (Connection connection = JDBCsetUp.getConnection();
+            serverSocket = new ServerSocket(JdbcConfig.CHAT_SERVER_PORT.get());
-             PreparedStatement preparedStatement = connection.prepareStatement(sql)) {
+            while (true) {
-                preparedStatement.setString(1, event.getUsername());
+                Socket newSocket = serverSocket.accept();
-                preparedStatement.setString(2, event.getMessage());
+                SocketList.add(newSocket);
-                preparedStatement.setLong(3, current);
+                executorService.submit(() -> handleClient(newSocket));
-                preparedStatement.executeUpdate();
+            }
+        } catch (IOException e) {
+            e.printStackTrace();
+        } finally {
+            try {
+                serverSocket.close();
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
         }
     }
 
-    @SubscribeEvent
+    private static void handleClient(Socket socket) {
-    public static void Tick(net.minecraftforge.event.TickEvent.ServerTickEvent event) throws SQLException {
+        try (InputStream inputStream = socket.getInputStream()) {
-        tick++;
+            byte[] buffer = new byte[1024];
-        if(tick == 20) {
+            int bytesRead;
-            ReadMessage(playerList);
+            while ((bytesRead = inputStream.read(buffer)) != -1) {
+                String message = new String(buffer, 0, bytesRead);
+                broadcastMessage(socket, message);
+            }
+        } catch (IOException e) {
+            e.printStackTrace();
+        } finally {
+            SocketList.remove(socket);
+            try {
+                socket.close();
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
         }
     }
 
+    private static void broadcastMessage(Socket sender, String message) {
+        for (Socket socket : SocketList) {
+            if (!socket.equals(sender)) {
+                try {
+                    OutputStream outputStream = socket.getOutputStream();
+                    outputStream.write(message.getBytes());
+                } catch (IOException e) {
+                    e.printStackTrace();
+                }
+            }
+        }
+    }
+
+    private static void ClientSocket() {
+        try {
+            clientSocket = new Socket(JdbcConfig.CHAT_SERVER_IP.get(), JdbcConfig.CHAT_SERVER_PORT.get());
+            Scanner scanner = new Scanner(clientSocket.getInputStream());
+            while (scanner.hasNextLine()) {
+                String line = scanner.nextLine();
+                Component textComponents = Component.nullToEmpty(line);
+                playerList.broadcastMessage(textComponents, ChatType.CHAT, UUID.randomUUID());
+            }
+        } catch (IOException e) {
+            e.printStackTrace();
+            reconnectClient();
+        }
+    }
+
+    private static void reconnectClient() {
+       //TODO
+    }
+
+    @SubscribeEvent
+    public static void onPlayerChat(net.minecraftforge.event.ServerChatEvent event) throws IOException {
+        String message= event.getUsername()+":"+event.getMessage();
+        OutputStream outputStream = clientSocket.getOutputStream();
+        outputStream.write(message.getBytes());
+    }
+
     @SubscribeEvent
     public static void onPlayerJoin(PlayerEvent.PlayerLoggedInEvent event){
         playerList= Objects.requireNonNull(event.getPlayer().getServer()).getPlayerList();
@@ -54,19 +124,4 @@ public class ChatSync {
     public static void onPlayerLeave(PlayerEvent.PlayerLoggedOutEvent event){
         playerList= Objects.requireNonNull(event.getPlayer().getServer()).getPlayerList();
     }
-
-    public static void ReadMessage(PlayerList playerList) throws SQLException {
-        JDBCsetUp.QueryResult queryResult=JDBCsetUp.executeQuery("SELECT * FROM chat WHERE timestamp > " + current);
-        ResultSet resultSet= queryResult.getResultSet();
-        current = System.currentTimeMillis();
-        tick = 0;
-        while(resultSet.next()) {
-            String player = resultSet.getString("player");
-            String message = resultSet.getString("message");
-            Component textComponents = Component.nullToEmpty(player+": "+message);
-            playerList.broadcastMessage(textComponents, ChatType.CHAT, UUID.nameUUIDFromBytes(player.getBytes()));
-        }
-        resultSet.close();
-        queryResult.getConnection().close();
-    }
 }