forked from uav/ard-uav-server
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; @@ -71,6 +83,19 @@ } /** * 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); } /** * 处理流消息 * <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 @@ -80,10 +105,10 @@ */ private void handleStreamMessage(String payload, Long userId) { // 解析JSON负载数据为BaseMessage对象，包含UavStreamMessage类型的有效载荷 BaseMessage<UavStreamMessage> streamMessage = JSON.parseObject(payload, BaseMessage<UavStreamMessage> baseMessage = JSON.parseObject(payload, new TypeReference<BaseMessage<UavStreamMessage>>() { }); UavStreamMessage uavStreamMessage = streamMessage.getPayload(); UavStreamMessage uavStreamMessage = baseMessage.getPayload(); // 检查解析后的UavStreamMessage对象是否非空 if (uavStreamMessage != null) { @@ -107,11 +132,11 @@ */ private void handleStateMessage(String payload, Long userId) { // 解析接收到的JSON消息，将其转换为BaseMessage对象 BaseMessage<UavStateMessage> stateMessage = JSON.parseObject(payload, BaseMessage<UavStateMessage> baseMessage = JSON.parseObject(payload, new TypeReference<BaseMessage<UavStateMessage>>() { }); // 获取消息的有效载荷部分 UavStateMessage uavStateMessage = stateMessage.getPayload(); UavStateMessage uavStateMessage = baseMessage.getPayload(); // 检查有效载荷是否存在 if (uavStateMessage != null) { @@ -138,11 +163,11 @@ */ private void handleTelemetryMessage(String payload, Long userId) { // 解析接收到的JSON消息，将其转换为BaseMessage对象 BaseMessage<UavTelemetryMessage> telemetryMessage = JSON.parseObject(payload, BaseMessage<UavTelemetryMessage> baseMessage = JSON.parseObject(payload, new TypeReference<BaseMessage<UavTelemetryMessage>>() { }); // 获取消息的有效载荷部分 UavTelemetryMessage uavTelemetryMessage = telemetryMessage.getPayload(); UavTelemetryMessage uavTelemetryMessage = baseMessage.getPayload(); // 检查有效载荷是否存在 if (uavTelemetryMessage != null) { @@ -169,11 +194,11 @@ */ private void handleSignalMessage(String payload, Long userId) { // 解析接收到的JSON消息，将其转换为BaseMessage对象 BaseMessage<UavSignalMessage> signalMessage = JSON.parseObject(payload, BaseMessage<UavSignalMessage> baseMessage = JSON.parseObject(payload, new TypeReference<BaseMessage<UavSignalMessage>>() { }); // 获取消息的有效载荷部分 UavSignalMessage uavSignalMessage = signalMessage.getPayload(); UavSignalMessage uavSignalMessage = baseMessage.getPayload(); // 检查有效载荷是否存在 if (uavSignalMessage != null) { @@ -192,19 +217,19 @@ } /** * 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 */ private void handleControlMessage(String payload, Long userId) { // 解析接收到的JSON消息，将其转换为BaseMessage对象 BaseMessage<UavControlMessage> controlMessage = JSON.parseObject(payload, BaseMessage<UavControlMessage> baseMessage = JSON.parseObject(payload, new TypeReference<BaseMessage<UavControlMessage>>() { }); // 获取消息的有效载荷部分 UavControlMessage uavControlMessage = controlMessage.getPayload(); UavControlMessage uavControlMessage = baseMessage.getPayload(); // 检查有效载荷是否存在 if (uavControlMessage != null) { @@ -224,18 +249,18 @@ private void handleAllMessage(String payload, Long userId) { // 解析接收到的JSON消息，将其转换为BaseMessage对象 BaseMessage<UavControlMessage> controlMessage = JSON.parseObject(payload, new TypeReference<BaseMessage<UavControlMessage>>() { BaseMessage<UavAllMessage> baseMessage = JSON.parseObject(payload, new TypeReference<BaseMessage<UavAllMessage>>() { }); // 获取消息的有效载荷部分 UavControlMessage uavControlMessage = controlMessage.getPayload(); UavAllMessage uavAllMessage = baseMessage.getPayload(); // 检查有效载荷是否存在 if (uavControlMessage != null) { if (uavAllMessage != null) { // 获取无人机盒子的序列号 String boxSn = uavControlMessage.getBoxSn(); String boxSn = uavAllMessage.getBoxSn(); // 根据消息中的订阅标志，决定是订阅还是退订无人机状态 Boolean subscribe = uavControlMessage.getSubscribe(); Boolean subscribe = uavAllMessage.getSubscribe(); if (subscribe) { // 执行订阅操作 uavAllManager.subscribe(boxSn, userId, 1); @@ -250,7 +275,11 @@ 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()); } @@ -259,16 +288,39 @@ 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()); 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); } } }); } }
