feat(phase2e-2): WS 稳定性改进——重连后自动重绑定房间 + 多端登录抖动检测
背景 - Task 9 联调发现同账号多 tab 登录会触发后端单设备踢下线机制,WS 每秒被关闭一次, 所有 meeting.* 的 sendWithAck 都因 "连接已断开" 而失败,表现为"开启音视频提示失败" - 同时 WS 断线重连后后端对该连接的 roomCode 绑定丢失,会议广播不再送达本端 改动 - store/meeting.js:_registerListeners 增加 WS 生命周期监听 - _disconnected:从 CONNECTED/CONNECTING 切到 RECONNECTING,UI 可展示"重连中…" - _connected:在 RECONNECTING 状态自动重发 meeting.room.join 重绑定房间,并刷新参与者列表 - services/websocket.js:_recordCloseForFlapping 做 10s 滑窗 flapping 检测 - 窗口内累计 >=3 次非主动断连 → 触发 _flapping 事件(含 count/windowMs) - 15s 冷却避免抖动期间重复告警 - debug.vue:新增 WS 状态指示灯(已连接/重连中/已断)+ flapping 警告横幅 - 订阅 _connected / _disconnected / _flapping 三个 WS 内置事件,onBeforeUnmount 注销 验证(Playwright) - 单次断连:testuser1 创建会议后手动 close WS → 指示灯 reconnecting,1s 后重连 - 日志链 "WS 已断开 → 进入 reconnecting → 连接成功 → 重绑定房间 307-857-909 → 恢复 connected" 全通 - 4 次连续断连:第 3 次触发 flapping,UI 横幅 "⚠ 检测到异常重连(3 次/10s),可能同账号在其他端登录" - 每次断连后房号、主持人状态、localState 均正确恢复为 connected Made-with: Cursor
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@@ -177,7 +177,10 @@ export const useMeetingStore = defineStore('meeting', () => {
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[MEETING_WS_MEMBER_KICKED]: _onMemberKicked,
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[MEETING_WS_MEMBER_PRODUCER_NEW]: _onProducerNew,
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[MEETING_WS_HOST_CHANGED]: _onHostChanged,
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[MEETING_WS_CHAT_MESSAGE]: _onChatMessage
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[MEETING_WS_CHAT_MESSAGE]: _onChatMessage,
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// WS 连接生命周期:用于断线/重连期间维持会议会话,避免"连接断开 → 后端失去 roomCode 绑定 → 广播丢失"
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_connected: _onWsReconnected,
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_disconnected: _onWsDisconnected
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}
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Object.entries(handlers).forEach(([event, handler]) => {
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wsService.on(event, handler)
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@@ -321,6 +324,51 @@ export const useMeetingStore = defineStore('meeting', () => {
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chatMessages.value.push(data)
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}
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/**
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* WS 连接断开:仅当当前已进入会议(CONNECTED/CONNECTING)时切换到 RECONNECTING,
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* 供 UI 展示"重连中…",避免用户误以为自己已离会。
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*/
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const _onWsDisconnected = () => {
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if (!currentRoom.value) return
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if (
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localState.value === MEETING_LOCAL_STATE_CONNECTED ||
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localState.value === MEETING_LOCAL_STATE_CONNECTING
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) {
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_log('warn', '[Meeting] WS 已断开,进入 reconnecting')
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localState.value = MEETING_LOCAL_STATE_RECONNECTING
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}
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}
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/**
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* WS 重连成功:若当前仍在某个房间内,自动重发 meeting.room.join 以恢复后端 WS↔roomCode 绑定。
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* 后端 WS Handler 对同一用户重连后,需要再次收到 meeting.room.join 才会将该连接加入房间广播组,
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* 否则即使 mediasoup 层仍在线,所有 meeting.* 广播都不会再送达本端。
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*/
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const _onWsReconnected = async () => {
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if (!currentRoom.value) return
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// 仅在 RECONNECTING 状态触发(避免首次进房 _onOpen 与 _afterJoined 的首次 join 并发冲突)
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if (localState.value !== MEETING_LOCAL_STATE_RECONNECTING) return
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const roomCode = currentRoom.value.room_code
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try {
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_log('info', '[Meeting] WS 重连后重绑定房间', roomCode)
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await wsService.sendWithAck(MEETING_WS_ROOM_JOIN, { room_code: roomCode })
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// 重连期间可能错过若干广播,重新拉一次详情对齐参与者列表
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try {
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const detail = await meetingApi.getRoom(roomCode)
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if (detail && Array.isArray(detail.participants)) {
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participants.value = detail.participants
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}
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} catch (e) {
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_log('warn', '[Meeting] 重绑定后拉取房间详情失败', e)
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}
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localState.value = MEETING_LOCAL_STATE_CONNECTED
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_log('info', '[Meeting] WS 重绑定房间成功,恢复 connected')
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} catch (err) {
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_log('warn', '[Meeting] WS 重绑定房间失败,保持 reconnecting 等待下次重连', err)
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// 保留 RECONNECTING 状态,下一次 WS 重连会再次触发本回调
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}
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}
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// ==================== 远端媒体清理 ====================
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const _cleanupRemoteProducer = (userId, producerId) => {
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