From 35495ee5392c705604b5a07242451f00db287a34 Mon Sep 17 00:00:00 2001
From: liusuyi <1951119284@qq.com>
Date: Tue, 09 Dec 2025 11:42:37 +0800
Subject: [PATCH] 优化

---
 ard-work/src/main/java/com/ard/work/component/websocket/handler/TyMessageHandler.java |   38 +++++++++++++++++++++++---------------
 1 files changed, 23 insertions(+), 15 deletions(-)

diff --git a/ard-work/src/main/java/com/ard/work/component/websocket/handler/TyMessageHandler.java b/ard-work/src/main/java/com/ard/work/component/websocket/handler/TyMessageHandler.java
index a46cfb6..2d376d4 100644
--- a/ard-work/src/main/java/com/ard/work/component/websocket/handler/TyMessageHandler.java
+++ b/ard-work/src/main/java/com/ard/work/component/websocket/handler/TyMessageHandler.java
@@ -17,7 +17,10 @@
 import org.springframework.web.socket.handler.TextWebSocketHandler;
 
 import javax.annotation.Resource;
+import java.util.Map;
+import java.util.Objects;
 import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.ConcurrentHashMap;
 
 
 @Component
@@ -40,6 +43,7 @@
     private UavAllManager uavAllManager;
     @Resource
     private TokenService tokenService;
+    private final Map<Long, Long> lastDisconnectTime = new ConcurrentHashMap<>();
 
     @Override
     public void handleTextMessage(WebSocketSession session, TextMessage message) {
@@ -47,8 +51,8 @@
             String userIdStr = (String) session.getAttributes().get("userId");
             Long userId = Long.parseLong(userIdStr);
             String payload = message.getPayload();
-            log.info("【cmd】Received message: {}", payload);
-            log.info("【cmd】size: {}", WebSocketSessionManager.getOnlineUserCount());
+            log.info("【ws】【{}】Received message: {}, size: {}", userId, payload,
+                    WebSocketSessionManager.getOnlineUserCount());
             BaseMessage<?> baseMessage = JSON.parseObject(payload, BaseMessage.class);
             MessageType messageType = MessageType.fromString(baseMessage.getType());
             switch (messageType) {
@@ -270,45 +274,49 @@
 
     @Override
     public void afterConnectionEstablished(WebSocketSession session) {
-        log.info("【cmd】Connected: {}", session.getId());
         String userIdStr = (String) session.getAttributes().get("userId");
         if (userIdStr == null || userIdStr.isBlank()) {
             return;
         }
         Long userId = Long.parseLong(userIdStr);
+        lastDisconnectTime.remove(userId); // 清除断开标记
         WebSocketSessionManager.addSession(userId, session);
-        log.info("【cmd】size: {}", WebSocketSessionManager.getOnlineUserCount());
+        log.info("【ws】【{}】Connected,size: {}",userId, WebSocketSessionManager.getOnlineUserCount());
     }
 
     @Override
     public void afterConnectionClosed(WebSocketSession session, CloseStatus status) {
-        log.info("【cmd】Disconnected: {}", session.getId());
+
         String userIdStr = (String) session.getAttributes().get("userId");
         if (userIdStr == null || userIdStr.isBlank()) {
             return;
         }
         Long userId = Long.parseLong(userIdStr);
         WebSocketSessionManager.removeSession(userId);
-        log.info("【cmd】size: {}", WebSocketSessionManager.getOnlineUserCount());
-
+        log.info("【ws】【{}】Disconnected,size: {}",userId, WebSocketSessionManager.getOnlineUserCount());
+        long version = System.currentTimeMillis();
+        lastDisconnectTime.put(userId, version);
         // 释放该用户所有 UAV 控制权
-        uavControlService.releaseAllControls(userId);
-        uavStreamManager.stopAllPullStreamByUser(userId);
-        uavStateManager.removeSubscribe(userId);
-        uavTelemetryManager.removeSubscribe(userId);
-        uavSignalManager.removeSubscribe(userId);
-        uavControlManager.removeSubscribe(userId);
 
         // 延迟10秒删除token(若期间没重连)
         CompletableFuture.runAsync(() -> {
             try {
-                Thread.sleep(10_000); // 延迟10秒
+                Thread.sleep(3_000); // 延迟3秒
             } catch (InterruptedException ignored) {
             }
-
+            // 如果版本号不一致,说明用户曾重连 → 不执行删除
+            if (!Objects.equals(lastDisconnectTime.get(userId), version)) {
+                return;
+            }
             if (!WebSocketSessionManager.containsUser(userId)) {
                 LoginUser loginUser = tokenService.getLoginUserByUserId(userId);
                 if (loginUser != null) {
+                    uavControlService.releaseAllControls(userId);
+                    uavStreamManager.stopAllPullStreamByUser(userId);
+                    uavStateManager.removeSubscribe(userId);
+                    uavTelemetryManager.removeSubscribe(userId);
+                    uavSignalManager.removeSubscribe(userId);
+                    uavControlManager.removeSubscribe(userId);
                     tokenService.delLoginUser(loginUser.getToken(), userId);
                     log.info("【cmd】用户 [{}] 超时未重连,已删除 token", userId);
                 }

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