feat: add video websocket handler etc...

readme.md

@@ -0,0 +1 @@
+# 别忘记application.yaml

src/main/java/xin/merlin/myplayerbackend/config/WebsocketConfig.java

@@ -7,14 +7,17 @@ import org.springframework.web.socket.config.annotation.EnableWebSocket;
 import org.springframework.web.socket.config.annotation.WebSocketConfigurer;
 import org.springframework.web.socket.config.annotation.WebSocketHandlerRegistry;
 import xin.merlin.myplayerbackend.config.security.WebsocketInterceptor;
-import xin.merlin.myplayerbackend.utils.websocket.CustomWebSocketHandler;
+import xin.merlin.myplayerbackend.utils.websocket.OnlineWebSocketHandler;
+import xin.merlin.myplayerbackend.utils.websocket.PlayroomWebSocketHandler;
 
 @Configuration
 @EnableWebSocket
 @RequiredArgsConstructor
 public class WebsocketConfig implements WebSocketConfigurer {
 
-    private final CustomWebSocketHandler handler;
+    private final OnlineWebSocketHandler handler;
+
+    private final PlayroomWebSocketHandler playroomHandler;
 
     private final WebsocketInterceptor interceptor;
 
@@ -22,5 +25,6 @@ public class WebsocketConfig implements WebSocketConfigurer {
     @Override
     public void registerWebSocketHandlers(WebSocketHandlerRegistry registry) {
         registry.addHandler(handler, "/ws/online").addInterceptors(interceptor).setAllowedOrigins("*");
+        registry.addHandler(playroomHandler,"/ws/playroom").addInterceptors(interceptor).setAllowedOrigins("*");
     }
 }

src/main/java/xin/merlin/myplayerbackend/config/security/WebsocketInterceptor.java

@@ -45,9 +45,13 @@ public class WebsocketInterceptor implements HandshakeInterceptor {
             attributes.put("account", account);
             if (request instanceof ServletServerHttpRequest servletRequest) {
                 String userName = servletRequest.getServletRequest().getParameter("name");
+                String roomId = servletRequest.getServletRequest().getParameter("r_id");
                 if (userName != null) {
                     attributes.put("name", userName); // 将u_name存储到Attributes中
                 }
+                if (roomId != null) {
+                    attributes.put("r_id", roomId);
+                }
             }
 
             return true;

src/main/java/xin/merlin/myplayerbackend/controller/PlayroomController.java

@@ -7,6 +7,7 @@ import org.springframework.web.bind.annotation.*;
 import xin.merlin.myplayerbackend.entity.PlayroomInfo;
 import xin.merlin.myplayerbackend.entity.Playrooms;
 import xin.merlin.myplayerbackend.entity.UserInfo;
+import xin.merlin.myplayerbackend.entity.http.PlayroomDetails;
 import xin.merlin.myplayerbackend.service.impl.PlayroomServiceImpl;
 import xin.merlin.myplayerbackend.service.impl.PlayroomsServiceImpl;
 import xin.merlin.myplayerbackend.utils.JwtUtil;
@@ -121,4 +122,21 @@ public class PlayroomController {
         }
     }
 
+    @GetMapping("/detail/{r_id}")
+    Response getDetail(@RequestHeader("Authorization")String token,@PathVariable("r_id")Integer r_id){
+        try{
+            token = token.substring(7);
+            Integer id = jwtUtil.getId(token);
+            Integer role = isAdmin(id,r_id)?0:1;
+            PlayroomInfo playroomInfo = playroomService.getById(r_id);
+            Playrooms playrooms = new Playrooms(r_id,id,role);
+            return Response.success(ResultCode.SUCCESS,new PlayroomDetails(playroomInfo,playrooms));
+
+        }catch (Exception e){
+            log.error(e.getMessage());
+            return Response.fail(ResultCode.SERVER_ERROR);
+        }
+    }
+
+
 }

src/main/java/xin/merlin/myplayerbackend/entity/Playrooms.java

@@ -4,10 +4,12 @@ package xin.merlin.myplayerbackend.entity;
 import com.baomidou.mybatisplus.annotation.TableName;
 import lombok.AllArgsConstructor;
 import lombok.Data;
+import lombok.NoArgsConstructor;
 
 @Data
 @TableName("playrooms")
 @AllArgsConstructor
+@NoArgsConstructor
 public class Playrooms {
     private Integer r_id;
     private Integer id;

src/main/java/xin/merlin/myplayerbackend/mapper/PlayroomMapper.java

@@ -10,5 +10,4 @@ import java.util.List;
 
 @Mapper
 public interface PlayroomMapper extends BaseMapper<PlayroomInfo> {
-    List<PlayroomDetails> selectPlayroomDetails(@Param("userId") Integer id);
 }

src/main/java/xin/merlin/myplayerbackend/service/impl/PlayroomsServiceImpl.java

@@ -20,7 +20,7 @@ public class PlayroomsServiceImpl extends ServiceImpl<PlayroomsMapper, Playrooms
     public Integer playroomIsAdmin(Integer id, Integer r_id) {
         try {
             Playrooms playrooms = playroomsMapper.selectOne(Wrappers.<Playrooms>lambdaQuery().eq(Playrooms::getId,id).eq(Playrooms::getR_id,r_id));
-            if (playrooms == null) return 1;
+            if (playrooms == null) return -1;
             else return playrooms.getRole();
         } catch (Exception e) {
             log.error(e.getMessage());

src/main/java/xin/merlin/myplayerbackend/utils/websocket/OnlineWebSocketHandler.java

@@ -17,9 +17,9 @@ import xin.merlin.myplayerbackend.service.OnlineStatusService;
 @Slf4j
 @Component
 @RequiredArgsConstructor
-public class CustomWebSocketHandler extends TextWebSocketHandler {
+public class OnlineWebSocketHandler extends TextWebSocketHandler {
 
-    private final WebSocketSessionManager webSocketSessionManager;
+    private final OnlineWebSocketSessionManager sessionManager;
 
     private final RabbitTemplate rabbitTemplate;
 
@@ -38,13 +38,14 @@ public class CustomWebSocketHandler extends TextWebSocketHandler {
 
         onlineStatusService.online(userId);
 
-        webSocketSessionManager.addSession(userId, session);
+        sessionManager.addSession(userId, session);
         log.info("用户 {} 已连接", userId);
     }
 
     @Override
     protected void handleTextMessage(WebSocketSession session, TextMessage message) throws Exception {
         String payload = message.getPayload();
+        System.out.println(payload);
         rabbitTemplate.convertAndSend(RabbitMQConfig.WS_MESSAGE_QUEUE, payload);
 
 //        JSONObject msg = JSON.parseObject(payload);
@@ -72,14 +73,14 @@ public class CustomWebSocketHandler extends TextWebSocketHandler {
 
         onlineStatusService.offline(userId);
 
-        webSocketSessionManager.removeSession(userId);
+        sessionManager.removeSession(userId);
         log.info("用户 {} 已断开", userId);
     }
 
     @EventListener
     public void onShutdown(ContextClosedEvent event) {
         log.info("Shutting down... closing websocket sessions");
-        webSocketSessionManager.closeAll();
+        sessionManager.closeAll();
     }
 
 

src/main/java/xin/merlin/myplayerbackend/utils/websocket/OnlineWebSocketSessionManager.java

@@ -11,7 +11,7 @@ import java.util.Map;
 import java.util.concurrent.ConcurrentHashMap;
 
 @Component
-public class WebSocketSessionManager {
+public class OnlineWebSocketSessionManager {
 
     private static final Map<Integer, WebSocketSession> websocketSessions = new ConcurrentHashMap<>();
 

src/main/java/xin/merlin/myplayerbackend/utils/websocket/PlayroomWebSocketHandler.java

@@ -0,0 +1,65 @@
+package xin.merlin.myplayerbackend.utils.websocket;
+
+import com.alibaba.fastjson2.JSONObject;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.amqp.rabbit.core.RabbitTemplate;
+import org.springframework.context.event.ContextClosedEvent;
+import org.springframework.context.event.EventListener;
+import org.springframework.data.redis.core.StringRedisTemplate;
+import org.springframework.stereotype.Component;
+import org.springframework.web.socket.CloseStatus;
+import org.springframework.web.socket.TextMessage;
+import org.springframework.web.socket.WebSocketSession;
+import org.springframework.web.socket.handler.TextWebSocketHandler;
+import xin.merlin.myplayerbackend.config.RabbitMQConfig;
+
+import java.time.LocalDateTime;
+
+@Slf4j
+@Component
+@RequiredArgsConstructor
+public class PlayroomWebSocketHandler extends TextWebSocketHandler {
+
+    private final PlayroomWebSocketSessionManager sessionManager;
+
+    private final RabbitTemplate rabbitTemplate;
+
+    private final StringRedisTemplate redis;
+
+    private final String IN_ROOM_BASE_KEY = "room:";
+
+    @Override
+    public void afterConnectionEstablished(WebSocketSession session) throws Exception {
+        Integer userId =  (Integer) session.getAttributes().get("id");
+        String payload = "{\"cmd\": \"PING\", \"to\": "+ userId +", \"time\":\""+ LocalDateTime.now() +"\"}";
+        sessionManager.addSession(userId, session);
+        rabbitTemplate.convertAndSend(RabbitMQConfig.WS_VIDEO_QUEUE,payload);
+    }
+
+    @Override
+    protected void handleTextMessage(WebSocketSession session, TextMessage message) throws Exception {
+        JSONObject payload = JSONObject.parseObject(message.getPayload());
+        Integer userId = (Integer) session.getAttributes().get("id");
+        if(payload.get("cmd").equals("PONG")) {
+            if(Boolean.TRUE.equals(redis.opsForSet().isMember(IN_ROOM_BASE_KEY + session.getAttributes().get("r_id") + ":", String.valueOf(userId)))){
+                return;
+            }
+            redis.opsForSet().add(IN_ROOM_BASE_KEY+session.getAttributes().get("r_id")+":", String.valueOf(userId));
+        }
+
+    }
+
+    @Override
+    public void afterConnectionClosed(WebSocketSession session, CloseStatus status) throws Exception {
+        Integer userId = (Integer) session.getAttributes().get("id");
+        redis.opsForSet().remove(IN_ROOM_BASE_KEY+session.getAttributes().get("r_id")+":", userId.toString());
+        sessionManager.removeSession(userId);
+    }
+
+    @EventListener
+    public void onShutdown(ContextClosedEvent event) {
+        log.info("Shutting down... closing websocket sessions");
+        sessionManager.closeAll();
+    }
+}

src/main/java/xin/merlin/myplayerbackend/utils/websocket/PlayroomWebSocketSessionManager.java

@@ -0,0 +1,47 @@
+package xin.merlin.myplayerbackend.utils.websocket;
+
+import org.springframework.stereotype.Component;
+import org.springframework.web.socket.CloseStatus;
+import org.springframework.web.socket.TextMessage;
+import org.springframework.web.socket.WebSocketSession;
+
+import java.io.IOException;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+
+@Component
+public class PlayroomWebSocketSessionManager {
+
+    private static final Map<Integer, WebSocketSession> websocketSessions = new ConcurrentHashMap<>();
+
+    public void addSession(Integer id, WebSocketSession session) {websocketSessions.put(id, session);}
+
+    public WebSocketSession getSession(Integer id) {return websocketSessions.get(id);}
+
+    public void removeSession(Integer id) {websocketSessions.remove(id);}
+
+    public Map<Integer, WebSocketSession> getSessions() {return websocketSessions;}
+
+    public void sendToUser(Integer userId, String message) throws IOException {
+        WebSocketSession session = websocketSessions.get(userId);
+        if (session != null && session.isOpen()) {
+            session.sendMessage(new TextMessage(message));
+        }
+    }
+
+    public void broadcast(String message) throws IOException {
+        for (WebSocketSession session : websocketSessions.values()) {
+            if (session.isOpen()) {
+                session.sendMessage(new TextMessage(message));
+            }
+        }
+    }
+
+    public void closeAll() {
+        websocketSessions.forEach((uid, session) -> {
+            try {
+                session.close(CloseStatus.GOING_AWAY);
+            } catch (Exception ignored) {}
+        });
+    }
+}

src/main/java/xin/merlin/myplayerbackend/utils/websocket/WebSocketMessageConsumer.java

@@ -8,16 +8,19 @@ import org.springframework.amqp.rabbit.annotation.RabbitListener;
 import org.springframework.stereotype.Component;
 import xin.merlin.myplayerbackend.config.RabbitMQConfig;
 import xin.merlin.myplayerbackend.utils.websocket.command.CommandDispatcher;
+import xin.merlin.myplayerbackend.utils.websocket.command.CommandDispatcherVideo;
 
 @Slf4j
 @Component
 @RequiredArgsConstructor
 public class WebSocketMessageConsumer {
 
-    private final WebSocketSessionManager sessionManager;
+    private final OnlineWebSocketSessionManager sessionManager;
 
     private final CommandDispatcher commandDispatcher;
 
+    private final CommandDispatcherVideo commandDispatcherVideo;
+
     @RabbitListener(queues = RabbitMQConfig.WS_MESSAGE_QUEUE)
     public void onMessage(String json) {
         try {
@@ -33,8 +36,8 @@ public class WebSocketMessageConsumer {
     public void onVideoMessage(String json) {
         try {
             JSONObject msg = JSON.parseObject(json);
-            commandDispatcher.dispatch(msg);
-
+            commandDispatcherVideo.dispatch(msg);
+            System.out.println("sending video message");
         } catch (Exception e) {
             log.info(e.getMessage());
         }

src/main/java/xin/merlin/myplayerbackend/utils/websocket/command/BaseCommandHandler.java

@@ -6,5 +6,7 @@ import java.io.IOException;
 
 public interface BaseCommandHandler {
     void handle(JSONObject msg) throws IOException;
+
+    void handle(String msg, Integer to) throws IOException;
 }
 

src/main/java/xin/merlin/myplayerbackend/utils/websocket/command/CommandDispatcher.java

@@ -3,6 +3,7 @@ package xin.merlin.myplayerbackend.utils.websocket.command;
 import com.alibaba.fastjson2.JSONObject;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Component;
+import xin.merlin.myplayerbackend.utils.websocket.OnlineWebSocketSessionManager;
 import xin.merlin.myplayerbackend.utils.websocket.command.impl.*;
 
 import java.io.IOException;
@@ -10,6 +11,8 @@ import java.io.IOException;
 @Component
 @RequiredArgsConstructor
 public class CommandDispatcher {
+    private final OnlineWebSocketSessionManager sessionManager;
+
     private final Ping pingCommand;
     private final Message messageCommand;
     private final Typing typingCommand;
@@ -31,7 +34,15 @@ public class CommandDispatcher {
             case "GROUP_MESSAGE" -> groupMessageCommand.handle(msg);
 
             default -> {
-                System.err.println("Unknown command: " + cmd);
+//                System.err.println("Unknown command: " + cmd);
+                // TODO: 这里应该使用default的一个类统一封装
+
+                try {
+                    String to = msg.getString("to");
+                    sessionManager.sendToUser(Integer.valueOf(to), msg.toJSONString());
+                } catch (IOException e) {
+                    throw new RuntimeException(e);
+                }
             }
         }
     }

src/main/java/xin/merlin/myplayerbackend/utils/websocket/command/CommandDispatcherVideo.java

@@ -0,0 +1,34 @@
+package xin.merlin.myplayerbackend.utils.websocket.command;
+
+import com.alibaba.fastjson2.JSONObject;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Component;
+import xin.merlin.myplayerbackend.utils.websocket.PlayroomWebSocketSessionManager;
+import xin.merlin.myplayerbackend.utils.websocket.command.impl.Ping;
+
+import java.io.IOException;
+
+@Component
+@RequiredArgsConstructor
+public class CommandDispatcherVideo {
+
+    private final Ping pingCommand;
+
+
+    public void dispatch(JSONObject msg) throws IOException {
+        String cmd = msg.getString("cmd");
+        Integer to = Integer.valueOf(msg.getString("to"));
+        String jsonString = msg.toJSONString();
+
+        switch (cmd){
+            case "PING" -> pingCommand.handle(jsonString,to);
+            default -> {
+//                System.err.println("Unknown command: " + cmd);
+                // TODO: 这里应该使用default的一个类统一封装
+
+            }
+        }
+
+
+    }
+}

src/main/java/xin/merlin/myplayerbackend/utils/websocket/command/impl/GroupMessage.java

@@ -6,7 +6,7 @@ import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Component;
 import xin.merlin.myplayerbackend.entity.Groups;
 import xin.merlin.myplayerbackend.mapper.GroupsMapper;
-import xin.merlin.myplayerbackend.utils.websocket.WebSocketSessionManager;
+import xin.merlin.myplayerbackend.utils.websocket.OnlineWebSocketSessionManager;
 import xin.merlin.myplayerbackend.utils.websocket.command.BaseCommandHandler;
 
 import java.io.IOException;
@@ -18,7 +18,7 @@ public class GroupMessage implements BaseCommandHandler {
 
     private final GroupsMapper groupsMapper;
 
-    private final WebSocketSessionManager sessionManager;
+    private final OnlineWebSocketSessionManager sessionManager;
 
     @Override
     public void handle(JSONObject msg) throws IOException {
@@ -44,4 +44,9 @@ public class GroupMessage implements BaseCommandHandler {
         }
     }
 
+    @Override
+    public void handle(String msg, Integer to) throws IOException {
+
+    }
+
 }

src/main/java/xin/merlin/myplayerbackend/utils/websocket/command/impl/Heartbeat.java

@@ -6,6 +6,7 @@ import org.springframework.data.redis.core.RedisTemplate;
 import org.springframework.stereotype.Component;
 import xin.merlin.myplayerbackend.utils.websocket.command.BaseCommandHandler;
 
+import java.io.IOException;
 import java.time.Duration;
 
 @Component
@@ -19,4 +20,9 @@ public class Heartbeat implements BaseCommandHandler {
         String userId = msg.getString("from");
         redis.opsForValue().set("online:" + userId, "1", Duration.ofMinutes(5));
     }
+
+    @Override
+    public void handle(String msg, Integer to) throws IOException {
+
+    }
 }

src/main/java/xin/merlin/myplayerbackend/utils/websocket/command/impl/Message.java

@@ -3,7 +3,7 @@ package xin.merlin.myplayerbackend.utils.websocket.command.impl;
 import com.alibaba.fastjson2.JSONObject;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Component;
-import xin.merlin.myplayerbackend.utils.websocket.WebSocketSessionManager;
+import xin.merlin.myplayerbackend.utils.websocket.OnlineWebSocketSessionManager;
 import xin.merlin.myplayerbackend.utils.websocket.command.BaseCommandHandler;
 
 import java.io.IOException;
@@ -12,7 +12,7 @@ import java.io.IOException;
 @RequiredArgsConstructor
 public class Message implements BaseCommandHandler {
 
-    private final WebSocketSessionManager sessionManager;
+    private final OnlineWebSocketSessionManager sessionManager;
 
     @Override
     public void handle(JSONObject msg) throws IOException {
@@ -22,5 +22,10 @@ TODO: 这里需要处理如果目标用户不在线，如何去完成消息的
         String to = msg.getString("to");
         sessionManager.sendToUser(Integer.valueOf(to), msg.toJSONString());
     }
+
+    @Override
+    public void handle(String msg, Integer to) throws IOException {
+
+    }
 }
 

src/main/java/xin/merlin/myplayerbackend/utils/websocket/command/impl/PersonalNotify.java

@@ -3,7 +3,7 @@ package xin.merlin.myplayerbackend.utils.websocket.command.impl;
 import com.alibaba.fastjson2.JSONObject;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Component;
-import xin.merlin.myplayerbackend.utils.websocket.WebSocketSessionManager;
+import xin.merlin.myplayerbackend.utils.websocket.OnlineWebSocketSessionManager;
 import xin.merlin.myplayerbackend.utils.websocket.command.BaseCommandHandler;
 
 import java.io.IOException;
@@ -12,11 +12,16 @@ import java.io.IOException;
 @RequiredArgsConstructor
 public class PersonalNotify implements BaseCommandHandler {
 
-    private final WebSocketSessionManager sessionManager;
+    private final OnlineWebSocketSessionManager sessionManager;
 
     @Override
     public void handle(JSONObject msg) throws IOException {
         String to = msg.getString("to");
         sessionManager.sendToUser(Integer.valueOf(to), msg.toJSONString());
     }
+
+    @Override
+    public void handle(String msg, Integer to) throws IOException {
+
+    }
 }

src/main/java/xin/merlin/myplayerbackend/utils/websocket/command/impl/Ping.java

@@ -3,7 +3,8 @@ package xin.merlin.myplayerbackend.utils.websocket.command.impl;
 import com.alibaba.fastjson2.JSONObject;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Component;
-import xin.merlin.myplayerbackend.utils.websocket.WebSocketSessionManager;
+import xin.merlin.myplayerbackend.utils.websocket.OnlineWebSocketSessionManager;
+import xin.merlin.myplayerbackend.utils.websocket.PlayroomWebSocketSessionManager;
 import xin.merlin.myplayerbackend.utils.websocket.command.BaseCommandHandler;
 
 import java.io.IOException;
@@ -12,13 +13,21 @@ import java.io.IOException;
 @RequiredArgsConstructor
 public class Ping implements BaseCommandHandler {
 
-    private final WebSocketSessionManager sessionManager;
+    private final OnlineWebSocketSessionManager onlineWebSocketSessionManager;
+
+    private final PlayroomWebSocketSessionManager playroomWebSocketSessionManager;
 
     @Override
     public void handle(JSONObject msg) throws IOException {
         String from = msg.getString("from");
         msg.put("cmd", "PONG");
-        sessionManager.sendToUser(Integer.valueOf(from), msg.toJSONString());
+        onlineWebSocketSessionManager.sendToUser(Integer.valueOf(from), msg.toJSONString());
+    }
+
+    @Override
+    public void handle(String msg, Integer to) throws IOException {
+        System.out.println(to+":"+msg);
+        playroomWebSocketSessionManager.sendToUser(to, msg);
     }
 }
 

src/main/java/xin/merlin/myplayerbackend/utils/websocket/command/impl/SystemNotify.java

@@ -3,7 +3,7 @@ package xin.merlin.myplayerbackend.utils.websocket.command.impl;
 import com.alibaba.fastjson2.JSONObject;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Component;
-import xin.merlin.myplayerbackend.utils.websocket.WebSocketSessionManager;
+import xin.merlin.myplayerbackend.utils.websocket.OnlineWebSocketSessionManager;
 import xin.merlin.myplayerbackend.utils.websocket.command.BaseCommandHandler;
 
 import java.io.IOException;
@@ -12,11 +12,16 @@ import java.io.IOException;
 @RequiredArgsConstructor
 public class SystemNotify implements BaseCommandHandler {
 
-    private final WebSocketSessionManager sessionManager;
+    private final OnlineWebSocketSessionManager sessionManager;
 
     @Override
     public void handle(JSONObject msg) throws IOException {
         sessionManager.broadcast(msg.toJSONString());
     }
+
+    @Override
+    public void handle(String msg, Integer to) throws IOException {
+
+    }
 }
 

src/main/java/xin/merlin/myplayerbackend/utils/websocket/command/impl/Typing.java

@@ -3,7 +3,7 @@ package xin.merlin.myplayerbackend.utils.websocket.command.impl;
 import com.alibaba.fastjson2.JSONObject;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Component;
-import xin.merlin.myplayerbackend.utils.websocket.WebSocketSessionManager;
+import xin.merlin.myplayerbackend.utils.websocket.OnlineWebSocketSessionManager;
 import xin.merlin.myplayerbackend.utils.websocket.command.BaseCommandHandler;
 
 import java.io.IOException;
@@ -12,11 +12,16 @@ import java.io.IOException;
 @RequiredArgsConstructor
 public class Typing implements BaseCommandHandler {
 
-    private final WebSocketSessionManager sessionManager;
+    private final OnlineWebSocketSessionManager sessionManager;
 
     @Override
     public void handle(JSONObject msg) throws IOException {
         String to = msg.getString("to");
         sessionManager.sendToUser(Integer.valueOf(to), msg.toJSONString());
     }
+
+    @Override
+    public void handle(String msg, Integer to) throws IOException {
+
+    }
 }