修复多次连接断开误判删除token问题

liusuyi

2025-12-09 a789ceeb0c548a12304fc9ce5ddbfd2685414698

 ard-work/src/main/java/com/ard/work/component/websocket/handler/TyMessageHandler.java

@@ -2,7 +2,10 @@

import com.alibaba.fastjson2.JSON;
import com.alibaba.fastjson2.TypeReference;
import com.ard.common.core.domain.model.LoginUser;
import com.ard.framework.web.service.TokenService;
import com.ard.work.component.websocket.WebSocketSessionManager;
import com.ard.work.component.websocket.utils.WebSocketUtil;
import com.ard.work.domain.enums.MessageType;
import com.ard.work.domain.message.*;
import com.ard.work.service.control.UavControlService;
@@ -14,6 +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
@@ -34,18 +41,23 @@
    private UavControlManager uavControlManager;
    @Resource
    private UavAllManager uavAllManager;

    @Resource
    private TokenService tokenService;
    private final Map<Long, Long> lastDisconnectTime = new ConcurrentHashMap<>();
    @Override
    public void handleTextMessage(WebSocketSession session, TextMessage message) {
        try {
            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("【cmd】Received【{}】message: {} size: {}", userId, payload,
                    WebSocketSessionManager.getOnlineUserCount());
            BaseMessage<?> baseMessage = JSON.parseObject(payload, BaseMessage.class);
            MessageType messageType = MessageType.fromString(baseMessage.getType());
            switch (messageType) {
                case HEARTBEAT:
                    handleHeartbeatMessage(payload, userId);
                    break;
                case STREAM:
                    handleStreamMessage(payload, userId);
                    break;
@@ -68,6 +80,19 @@
        } catch (Exception e) {
            log.error("Error handling message: {}", message, e);
        }
    }

    /**
     * 处理心跳消息
     * <p>
     * 该方法解析给定的负载数据，以获取无人机流消息，并根据消息类型决定是否开始或停止流
     *
     * @param payload 消息的负载数据，通常为JSON字符串
     * @param userId  接收消息的用户ID
     */
    private void handleHeartbeatMessage(String payload, Long userId) {

        WebSocketUtil.sendMessage(userId, payload);
    }

    /**
@@ -192,8 +217,8 @@
    }

    /**
     * 处理无人机控制
     * 根据接收到的消息内容，决定无人机控制信息的订阅或退订
     * 处理无人机控制者
     * 根据接收到的消息内容，决定无人机控制者信息的订阅或退订
     *
     * @param payload 消息负载，包含控制信息
     * @param userId  用户ID，用于标识用户
@@ -254,6 +279,7 @@
            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());
    }
@@ -268,15 +294,33 @@
        Long userId = Long.parseLong(userIdStr);
        WebSocketSessionManager.removeSession(userId);
        log.info("【cmd】size: {}", 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(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);
                }
            }
        });
    }


}