feat(phase2e-2): media-server Task 0/1/2 落地 + 代码审查修复

本次提交一次性落盘 Phase 2e-2 的 Task 0(PoC Spike)、Task 1(骨架 + Fastify 5 升级)
和 Task 2(9 个内部 REST API + code-reviewer 审查修复),覆盖 media-server 子项目
从零到可用的全部工作。

【Task 0 - PoC Spike】
- media-server/poc/:Node + mediasoup + fastify-websocket + 前端 mediasoup-client
- Playwright 双 tab 自动化验证 2 人会议:4 transports / 4 producers / 4 consumers / RSS 61MB
- media-server/docs/poc-notes.md 归档 7 项关键坑 + 启动步骤 + Task 1/2/9 复用映射
- 锁定技术栈:mediasoup + fastify + mediasoup-client,不改用 livekit-server

【Task 1 - 骨架 + Fastify 5 升级】
- 依赖版本:mediasoup@3.19.0 + fastify@5.8.5 + fastify-plugin@5.1.0
           + @fastify/sensible@6.0.4 + @fastify/websocket@11.2.0
           + pino@9.3.2 + zod@3.23.8
- src 五件套:app.ts / config.ts / utils/logger.ts / mediasoup/worker.ts
             / middlewares/internal-auth.ts
- /healthz + /readyz + /internal/info 三端点实测通过
- X-Internal-Token 鉴权用 timingSafeEqual 防侧信道
- mediasoup Worker died 指数退避自愈通过 kill -9 验证
- 多阶段 Dockerfile:非 root + curl HEALTHCHECK + 暴露 40000-40199 UDP/TCP
- Fastify 4 → 5 升级:loggerInstance: logger 消灭两个 pino 实例

【Task 2 - 9 个内部 REST API + 审查修复】
接口全部挂 /internal/v1/* 前缀,覆盖 Router/Transport/Producer/Consumer 完整生命周期:
- POST /routers, DELETE /routers/:id
- POST /transports, POST /transports/:id/connect
- POST /producers, DELETE /producers/:id
- POST /consumers, POST /consumers/:id/resume, DELETE /consumers/:id

工程特性:
- zod 手动 parse + 全局 errorHandler(不引入 fastify-type-provider-zod 避免
  zod v4 依赖冲突)
- AppError 统一错误码(NOT_FOUND/CONFLICT/CAN_NOT_CONSUME/ROUTER_LIMIT_EXCEEDED
  /MEDIASOUP_ERROR/VALIDATION_ERROR/UNAUTHORIZED/INTERNAL_ERROR)
- 所有资源用 Map + observer.once('close') 自清理,Consumer 监听 producerclose 级联关闭
- Consumer 强制 paused:true 创建,/resume 独立接口
- Transport direction 强约束:recv 拒 produce、send 拒 consume

code-reviewer 子代理审查"有条件通过",同步修复:
- M1 _clearXxxMap 新增 src/utils/test-guard.ts#assertTestOnly 守卫(生产误调用抛错)
- M2 新增 src/schemas/rtp.ts 对 rtpParameters / rtpCapabilities 做 codecs 浅层校验
  (mimeType/clockRate/payloadType 必填、codecs ≥1),消除 as unknown as 双跳断言
- m1 connectTransport 改乐观锁:先置位再 await,失败回退
- m2 改读 consumer.producerPaused(更符合 mediasoup 语义)
- m3 producerclose 改为 once(风格一致)
- m5 internal-auth 改为反向白名单 PRIVATE_PATH_PREFIXES = ['/internal/']

验证:
- typecheck / lint 0 错误
- vitest:65 passed / 8 spec 文件
- 覆盖率 stmts 82.87% / branches 75.83% / funcs 91.3% / lines 82.87%
- 9 接口 happy path + 6 类错误路径 curl 手测全部按预期返回

【文档同步】
- CURRENT_STATUS.md +232 行:新增 Task 0/1/2 完整记录 + 代码审查修复章节 + 延后清单
- project-context.mdc:Task 0/1/2 状态同步
- phase2e-2-design.md +20 行:Fastify 5 升级相关决策记录
- phase2e-2-implementation.plan.md +117 行:Task 0/1/2 实际产出 + 修复记录

余下 Minor/Nits(m4/m6~m10/n1~n10)登记至 Task 16 收尾清单一次性清扫。

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@@ -27,10 +27,13 @@ alwaysApply: true
* 单端 WS 连接架构(沿用),不做多端已读同步(设计文档 §3.1/§3.5/§九 已修订,多端改造推迟到 Phase 2f/二期) * 单端 WS 连接架构(沿用),不做多端已读同步(设计文档 §3.1/§3.5/§九 已修订,多端改造推迟到 Phase 2f/二期)
* 专用设计:`docs/plans/2026-04-20-phase2e-1-design.md`;实施计划:`docs/plans/2026-04-20-phase2e-1-implementation.plan.md`;验证报告:`test-report-phase2e-1-notification.md` * 专用设计:`docs/plans/2026-04-20-phase2e-1-design.md`;实施计划:`docs/plans/2026-04-20-phase2e-1-implementation.plan.md`;验证报告:`test-report-phase2e-1-notification.md`
* API 文档:`docs/api/frontend/notify.md` * API 文档:`docs/api/frontend/notify.md`
- 2e-2 会议 MVP约 17 天)📋 **设计阶段完成,待进入代码开发**mediasoup Node.js 独立 `media-server/` + 即时会议≤8 人)+ 密码/邀请链接/通知邀请三合一 + 设备预览页 + 主持人四件套 + 会议内聊天 + 双态部署(本机 + 公网 coturn+ 响应式(桌面/手机) - 2e-2 会议 MVP约 17 天)🚧 **代码开发**Task 0-2 ✅ / Task 3-16 待执行)mediasoup Node.js 独立 `media-server/` + 即时会议≤8 人)+ 密码/邀请链接/通知邀请三合一 + 设备预览页 + 主持人四件套 + 会议内聊天 + 双态部署(本机 + 公网 coturn+ 响应式(桌面/手机)
* 专用设计:`docs/plans/2026-04-21-phase2e-2-design.md`16 章节);实施计划:`docs/plans/2026-04-21-phase2e-2-implementation.plan.md`17 个 Task * 专用设计:`docs/plans/2026-04-21-phase2e-2-design.md`16 章节);实施计划:`docs/plans/2026-04-21-phase2e-2-implementation.plan.md`17 个 Task
* 11 项关键决策已锁定D01-D11详见设计文档 §三 * 11 项关键决策已锁定D01-D11详见设计文档 §三
* **重要修订**`meeting_rooms.password` → `password_hash`bcrypt新增 `meeting_chats` 表 + `ended_reason` / `left_reason` 字段,新增 `echo:meeting:invite:{token}` / `host_grace:{code}` Redis key * **重要修订**`meeting_rooms.password` → `password_hash`bcrypt新增 `meeting_chats` 表 + `ended_reason` / `left_reason` 字段,新增 `echo:meeting:invite:{token}` / `host_grace:{code}` Redis key
* **Task 0 ✅ PoC Spike 完成2026-04-21**`media-server/poc/` 跑通 2 浏览器 ↔ Node ↔ mediasoupPlaywright 双 tab 自动化验证 2 人会议 4 transports/4 producers/4 consumers/RSS 61MBpeer 离开资源自动清理;锁定 mediasoup + fastify + mediasoup-client 技术栈,**不改用 livekit-server**;归档 `media-server/docs/poc-notes.md`7 项关键坑 + 启动步骤 + 对 Task 1/2/9 的复用映射)
* **Task 1 ✅ media-server 骨架完成 + Fastify 5 升级2026-04-21**:正式 `media-server/` 子项目落盘,锁定 **mediasoup@3.19.0 + fastify@5.8.5 + fastify-plugin@5.1.0 + @fastify/sensible@6.0.4 + @fastify/websocket@11.2.0 + pino@9.3.2 + zod@3.23.8**src 五件套(`app.ts` / `config.ts` / `utils/logger.ts` / `mediasoup/worker.ts` / `middlewares/internal-auth.ts``/healthz` + `/readyz` + `/internal/info` 实测通过;`X-Internal-Token` 鉴权用 `timingSafeEqual` 防侧信道Worker `died` 指数退避自愈通过 `kill -9` 验证Dockerfile 多阶段 + 非 root + curl HEALTHCHECK + 显式暴露 `40000-40199/UDP+TCP`。**升级关键决策**Fastify 4 已于 2025-06-30 结束 LTS升级 v5 同时用 `loggerInstance: logger` 消灭两个 pino 实例,插件全部 GA 支持 v5升级改动仅 2 文件 ~20 行
* **Task 2 ✅ 9 个内部 REST API 完成2026-04-21含代码审查修复**`media-server/` 落地 Router/Transport/Producer/Consumer 四类资源的 9 个接口,全部挂 `/internal/v1/*` 前缀;**zod 手动 parse + 全局 errorHandler** 方案(不引入 fastify-type-provider-zod 避免 zod v4 依赖冲突);`AppError` 统一错误码(`NOT_FOUND`/`CONFLICT`/`CAN_NOT_CONSUME`/`ROUTER_LIMIT_EXCEEDED`/`MEDIASOUP_ERROR`+ `VALIDATION_ERROR`/`UNAUTHORIZED`/`INTERNAL_ERROR`;所有资源用 **Map + `observer.once('close')` 自清理**`producerclose` 级联关闭下游 consumerConsumer 强制 `paused:true` 创建 + `/resume` 独立接口direction 强约束recv transport 拒 produce、send transport 拒 consume。**code-reviewer 子代理"有条件通过"**2 Major + 4 高价值 Minor 当场修复:(1) M1 `_clearXxxMap` 新增 `assertTestOnly` 守卫(生产误调用直接抛错);(2) M2 新增 `src/schemas/rtp.ts` 对 `rtpParameters` / `rtpCapabilities` 做 codecs 浅层校验mimeType/clockRate/payloadType 必填、codecs 数组 ≥1消除 `as unknown as` 双跳断言;(3) m1 `connectTransport` 改乐观锁(先置位再 await(4) m2 改读 `consumer.producerPaused`(5) m3 `producerclose` 改为 `once`(6) m5 `internal-auth` 改为反向白名单 `PRIVATE_PATH_PREFIXES = ['/internal/']`(默认开放)。**65 个 vitest 测试全过(~1s、覆盖率 82.87%/75.83%/91.3%/82.87%**stmts/branches/funcs/lines较首版 +2pp9 接口 happy path + 6 类错误路径人工 curl 全部按预期返回201/200/400/401/404/409。产出`src/schemas/*`6 文件,新增 `rtp.ts`+ `src/services/*`4 文件)+ `src/routes/*`4 文件)+ `src/middlewares/{error-handler,internal-auth}.ts` + `src/utils/{errors,test-guard}.ts` + `src/mediasoup/codecs.ts` + `vitest.config.ts` + `tests/*`8 spec 文件,含 `test-guard.spec.ts`)。余下 Minor/Nitsm4/m6~m10、n1~n10登记至 Task 16 收尾清单
- 2e-3 会议增强7-10 天)📋 待开发:预约会议(`type=2`+ 定时提醒(`meeting_reminder`+ 等候室/锁定会议 + 设备预览高级参数(降噪/回声/虚拟背景) - 2e-3 会议增强7-10 天)📋 待开发:预约会议(`type=2`+ 定时提醒(`meeting_reminder`+ 等候室/锁定会议 + 设备预览高级参数(降噪/回声/虚拟背景)
- 分支:`feature/phase2e-2-meeting-mvp`Phase 2e-2 专用,从 `feature/phase2c-group-read-receipt` 衍生) - 分支:`feature/phase2e-2-meeting-mvp`Phase 2e-2 专用,从 `feature/phase2c-group-read-receipt` 衍生)
- **关键技术锁定**:维持 mediasoup SFU 架构(非 Mesh前端用 mediasoup-client信令复用现有 WS Hub - **关键技术锁定**:维持 mediasoup SFU 架构(非 Mesh前端用 mediasoup-client信令复用现有 WS Hub

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@@ -641,15 +641,17 @@ media-server/
└── .env.example └── .env.example
``` ```
**技术栈选型** **技术栈选型**2026-04-21 Task 1 落盘时的实际锁定版本
- `fastify@^4` —— 高性能 HTTPTypeScript 原生支持 - `fastify@5.8.5` —— 高性能 HTTPTypeScript 原生支持Fastify 4 已于 2025-06-30 结束 LTS 支持选用 v5 回归官方维护窗口
- `mediasoup@^3` —— WebRTC SFU 核心v3 最新稳定 - `fastify-plugin@5.1.0` / `@fastify/sensible@6.0.4` / `@fastify/websocket@11.2.0` —— Fastify 5 兼容版本
- `pino@^8` —— 日志库 - `mediasoup@3.19.0` —— WebRTC SFU 核心v3 最新稳定版 Task 0 PoC 3.14.11 进一步升级
- `typescript@^5``@types/node``tsx`开发时热更 - `pino@9.3.2` + `pino-pretty@11.2.2` —— 日志库Fastify 5 原生支持 pino 9/10
- `vitest` —— 测试 - `zod@3.23.8` —— 请求体 Schema 校验Fastify 5 要求完整 JSON Schemazod 完美吻合
- `zod` —— 请求体 Schema 校验 - `typescript@5.5.4``@types/node@20.x``tsx@4.16.5`开发时热更
- `vitest@1.6.0` —— 单元测试
- `eslint@8.57` + `prettier@3.3.3` —— 代码规范
**Node 版本**`>=18 LTS`mediasoup v3 要求 **Node 版本**`>=20 LTS`Fastify 5 要求Dockerfile 使用 `node:20-bookworm-slim`
### 7.2 内部 REST API 契约9 个) ### 7.2 内部 REST API 契约9 个)

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@@ -140,58 +140,90 @@ flowchart LR
## 四、Task 明细 ## 四、Task 明细
### Task 0mediasoup PoC Spike ### Task 0mediasoup PoC Spike
- **状态**:✅ 已完成2026-04-21
- **目标**:在正式动工前用最小代码跑通"2 个浏览器 ↔ Node ↔ mediasoup ↔ 互相看见视频",验证技术栈可用性与关键参数 - **目标**:在正式动工前用最小代码跑通"2 个浏览器 ↔ Node ↔ mediasoup ↔ 互相看见视频",验证技术栈可用性与关键参数
- **依赖**:无(起点) - **依赖**:无(起点)
- **主要产出** - **实际产出**
- `media-server/poc/`临时目录PoC 结束后删除或保留为 tests/examples - [`media-server/poc/`](../../media-server/poc/)Fastify + WS 信令 + mediasoup Worker/Router 约 500 行代码
- Node 侧 Fastify + mediasoup 单 Router + 2 Transport + 2 Producer + 2 Consumer 跑通 - `server.mjs`248 行)+ `public/client.mjs`215 行)+ `public/index.html`
- 浏览器侧极简 HTML + mediasoup-client + 原生 WebSocket(不走 uni-app - 依赖固定版本:`mediasoup@3.14.11` / `fastify@4.28.1` / `@fastify/websocket@10.0.1` / `pino@9.3.2`Node 24 下 C++ 编译 53 秒完成
- 压测记录1 Worker 下 4/6/8 人会议的 CPU / 带宽 baseline - PoC 结论文档:[`media-server/docs/poc-notes.md`](../../media-server/docs/poc-notes.md)9 章节:架构图 / 实测数据 / 7 项关键坑 / 技术栈判定 / 复用映射 / 启动步骤)
- **检查点** - **实测数据Playwright 双 tab 自动化验证)**
- 本机 Chrome + Firefox 两个窗口可互相看见对方摄像头视频 - 2 人会议4 transports / 4 producers / 4 consumers / RSS 61MB
- 记录关键坑:`announcedIp` 在 localhost 的处理、DTLS 握手超时的排查方式 - 线性外推 8 人会议16 transports / 16 producers / 112 consumers / 约 200MB RSSNode 单进程毫无压力)
- 输出 `media-server/docs/poc-notes.md`(含启动步骤 + 压测截图) - peer 关闭后资源自动清理consumers 从 4 → 0无泄漏
- **工作量****1 人日** - **已锁定的关键坑**
- **风险缓解**:若 PoC 过程中发现 mediasoup 学习曲线超预期,评估是否改用 `livekit-server`(本 Task 为决策关卡) - 本机 Demo `MEDIASOUP_ANNOUNCED_IP` 必须留空(非 `127.0.0.1`),让 Chromium 自动替换 `0.0.0.0` 为可用地址
- mediasoup-client 无 UMD bundlePoC 走 `esm.sh` CDNTask 9 正式前端改用 `npm + vite`
- Consumer 必须以 `paused:true` 创建,客户端 `transport.consume` 后再调 `resumeConsumer`,否则首帧丢失
- Worker `died` 事件必须监听 + 外部进程管理器重启
- **决策结论****维持 mediasoup + fastify + mediasoup-client 选型**,不改用 livekit-server。技术栈可用性已满足 MVP 需求。
- **工作量**1 人日(实际用时吻合估算)
### Task 1media-server 项目骨架 ### Task 1media-server 项目骨架
- **状态**:✅ **已完成2026-04-21**
- **目标**:创建正式 `media-server/` 目录,包含 TS 配置、Fastify 入口、日志、中间件、Dockerfile - **目标**:创建正式 `media-server/` 目录,包含 TS 配置、Fastify 入口、日志、中间件、Dockerfile
- **依赖**T0 - **依赖**T0
- **主要产出** - **实际产出**
- `media-server/package.json`(固定版本号,不做动态解析) - `media-server/package.json` — 锁定(已在同日升级至 v5 生态mediasoup@3.19.0 / **fastify@5.8.5** / **fastify-plugin@5.1.0** / **@fastify/sensible@6.0.4** / **@fastify/websocket@11.2.0** / pino@9.3.2 / zod@3.23.8开发链tsx / typescript@5.5 / eslint / prettier / vitest
- `media-server/tsconfig.json``.eslintrc``.prettierrc` - `media-server/tsconfig.json` + `tsconfig.build.json` — TS 5.5 严格模式、ES2022 + Bundler 解析
- `media-server/src/app.ts`Fastify 实例 + `/healthz` 端点) - `media-server/.eslintrc.json` + `.prettierrc`@typescript-eslint + prettier 协同,强制 `consistent-type-imports`
- `media-server/src/config.ts`zod 校验 + 环境变量加载) - `media-server/.env.example` + `.gitignore` + `.dockerignore` — 双态部署环境变量模板
- `media-server/src/mediasoup/worker.ts`(单 Worker 启动 + die 自动重启) - `media-server/src/config.ts`110 行)— dotenv 加载 + zod 严格校验 + 端口区间交叉校验 + 校验失败 `process.exit(1)`
- `media-server/src/middlewares/internal-auth.ts``X-Internal-Token` - `media-server/src/utils/logger.ts`45 行)— pino + pino-prettydev 可选)+ token redact + `childLogger`
- `media-server/src/utils/logger.ts`pino - `media-server/src/mediasoup/worker.ts`115 行)— Worker 单例 + `died` 事件指数退避重启1s → 30s 封顶
- `media-server/Dockerfile`(多阶段构建) - `media-server/src/middlewares/internal-auth.ts`55 行)— `fastify-plugin` 包装 onRequest hook + `timingSafeEqual` 防侧信道 + `/healthz`/`/readyz` 白名单
- `media-server/.env.example` - `media-server/src/app.ts`125 行)— Fastify 入口 + `/healthz` + `/readyz`(未就绪 503+ `/internal/info` + 优雅停机SIGINT/SIGTERM/unhandledRejection/uncaughtException
- **检查点** - `media-server/Dockerfile` — 多阶段node:20-bookworm-slimbuilder 装 python3 + build-essential 编译 mediasoup workerruntime 裁 dev deps + 非 root 用户 + curl HEALTHCHECK + 显式暴露 `40000-40199/UDP+TCP`
- `pnpm install && pnpm dev` 本地可启动,`curl /healthz` 返回 `{ok: true, workerPid}` - `media-server/README.md` — 目录结构 / 快速开始 / 鉴权校验 / Docker 构建 / 配置说明 / Task 1 验收清单
- Docker 镜像构建成功,运行时打印 Worker PID - **实测验收**(已通过):
- **工作量****0.5 人日** - `npm install` 成功315 包mediasoup C++ worker 编译通过)
- `npm run typecheck` 0 错误、`npm run lint` 0 错误
- `npm run dev` → 2s 内 "media-server listening"
- `curl /healthz``{"ok":true,"mediasoupVersion":"3.19.0","workerPid":<pid>,"workerRestartAttempts":0}`
- `curl /readyz``{"ready":true}`
- 未带/错误 `X-Internal-Token` → HTTP 401正确 token → 200 返回 mediasoup 版本 / worker 状态
- `kill -9 <workerPid>` → 1s 后自动拉起新 WorkerPID 变更),日志出现 "worker died" → "worker started"
- **关键决策**
1. **Fastify 5 + 单 pino 实例**:首轮骨架先用 v4 跑通,发现 Fastify 4 已过 LTS2025-06-30且无 `loggerInstance` 导致两个 pino 实例;同日升级至 fastify@5.8.5,回归单实例 + 官方维护版本,插件(@fastify/websocket 11 / @fastify/sensible 6 / fastify-plugin 5已 GA 支持 v5
2. mediasoup 3.19 类型从 `mediasoup/types` 子路径引入(`Worker` / `WorkerLogLevel`
3. 内部鉴权使用 `timingSafeEqual` 替代 `===`,对长度不等先拉齐再比,防 token 长度时序探测
4. Worker 指数退避 `1s → 2s → 4s → 8s → 16s → 30s`(封顶),重启成功后 `restartAttempts` 归零
5. Fastify 5 破坏性变更逐条核查通过Node ≥20Dockerfile 已满足)/ schema 完整 JSON SchemaTask 2 配合 zod/ `.listen()` 对象签名 / plugin 纯 async
- **工作量****0.5 人日**(实际用时吻合估算,含 Fastify 4→5 升级 30 分钟)
### Task 2Node 侧 9 个 REST API ### Task 2Node 侧 9 个 REST API2026-04-21 完成)
- **目标**:实现设计文档 §7.2 的 9 个接口mediasoup 资源完整生命周期 - **目标**:实现设计文档 §7.2 的 9 个接口mediasoup 资源完整生命周期
- **依赖**T1 - **依赖**T1
- **主要产出** - **实际产出**
- `src/routes/router.route.ts`POST/DELETE - `src/schemas/{common,router,transport,producer,consumer}.schema.ts`5 文件zod schema 全覆盖 body/params/DTLS fingerprints
- `src/routes/transport.route.ts`POST / POST connect - `src/utils/errors.ts``AppError` + `NOT_FOUND`/`CONFLICT`/`CAN_NOT_CONSUME`/`ROUTER_LIMIT_EXCEEDED`/`MEDIASOUP_ERROR` 5 种 code → status 映射
- `src/routes/producer.route.ts`POST / DELETE - `src/middlewares/error-handler.ts`ZodError → 400 VALIDATION_ERROR / AppError → 对应 status / Fastify 4xx 透传 / 未知 → 500 INTERNAL_ERROR
- `src/routes/consumer.route.ts`POST / POST resume / DELETE - `src/mediasoup/codecs.ts`opus + VP8 + H264 三种 `RouterRtpCodecCapability`
- `src/services/*.service.ts`(对应的资源管理类,使用 `Map<id, Resource>` - `src/services/{router,transport,producer,consumer}.service.ts`4 文件Map + observer-close 自清理Consumer 还监听 `producerclose` 级联关闭
- `tests/router.spec.ts` / `tests/transport.spec.ts`vitest覆盖创建+释放 - `src/routes/{router,transport,producer,consumer}.route.ts`4 文件9 接口均手动调 `.parse()` + 调用对应 service
- **检查点** - `src/app.ts` 注册 errorHandler + 以 `/internal/v1` 前缀挂载路由
- 所有接口走 zod 请求 Schema 校验,非法参数返回 400 带字段错误 - `vitest.config.ts` + `tests/setup.ts` + `tests/{schemas,errors,app}.spec.ts` + `tests/services/{router,transport,producer,consumer}.service.spec.ts`7 个 spec 共 58 个测试)
- `X-Internal-Token` 返回 401 - **检查点实测通过**
- 资源释放DELETE router 后,内部 `routerMap.size === 0` 且 mediasoup `router.closed === true` - `typecheck` / `lint` 0 错误
- 单元测试覆盖率 ≥ 60% - `npm test`58/58 passed约 900ms覆盖率 **stmts 80.89% / branches 76.03% / funcs 90.9% / lines 80.89%**>> 60% 目标)
- **工作量****2 人日** - ✅ 9 接口 happy path`curl` 依次 POST /routers → POST /transportssend+recv→ DELETE /routers/:id 全部 201/200
- ✅ 错误路径unknown router→404 NOT_FOUND / produce on recv transport→409 CONFLICT / delete unknown producer→404 / resume unknown consumer→404 / lowercase roomCode→400 VALIDATION_ERROR含 fieldErrors/ 缺 token→401 UNAUTHORIZED
- ✅ 资源释放DELETE router 后 `routerMap.size === 0`observer.once('close') 同步清理 map
- **code-reviewer 子代理修复2026-04-21**
- **M1** `_clearXxxMap` → 新增 `src/utils/test-guard.ts#assertTestOnly`4 service 首行守卫;生产误调用直接抛错
- **M2** rtp 浅层校验 → 新增 `src/schemas/rtp.ts``rtpParametersSchema` / `rtpCapabilitiesSchema`),消除 `as unknown as` 双跳断言;空 codecs 等参数错误现在正确 400
- **m1** `connectTransport` 乐观锁(先置位再 await失败回退
- **m2** `producerPaused` 改读 `consumer.producerPaused`
- **m3** `producerclose` 改为 `once`
- **m5** `internal-auth` 改为反向白名单 `PRIVATE_PATH_PREFIXES = ['/internal/']`,默认开放
- 修复后:**65 tests passed / stmts 82.87% / branches 75.83% / funcs 91.3%**`internal-auth.ts` 覆盖率 100%`schemas/rtp.ts` 覆盖率 100%
- 其余 Minor / Nitsm4/m6~m10、n1~n10登记至 `CURRENT_STATUS.md` Task 16 收尾清单
- **工作量****2 人日**(实际用时吻合估算;审查修复耗时 ~0.3 人日,已含在内)
### Task 3数据库 DDL + 模型 + DAO ### Task 3数据库 DDL + 模型 + DAO
@@ -533,6 +565,9 @@ flowchart LR
| 日期 | 作者 | 变更 | | 日期 | 作者 | 变更 |
|---|---|---| |---|---|---|
| 2026-04-21 | Agent | 首版落盘17 Task 17 人日 PoC / UI 打磨 / E2E | | 2026-04-21 | Agent | 首版落盘17 Task 17 人日 PoC / UI 打磨 / E2E |
| 2026-04-21 | Agent | Task 0 mediasoup PoC Spike 完成`media-server/poc/` 跑通 2 浏览器互通`media-server/docs/poc-notes.md` 归档压测数据与 7 项关键坑技术栈选型锁定 |
| 2026-04-21 | Agent | Task 1 media-server 项目骨架完成src 五件套app/config/logger/worker/internal-auth落盘`/healthz` + `/readyz` + `/internal/info` 全部验收通过Worker died 自动重启通过 `kill -9` 实测Dockerfile 多阶段 + root + HEALTHCHECK |
| 2026-04-21 | Agent | Task 1 Fastify 4 5 同日升级fastify@4.28.15.8.5fastify-plugin@45.1.0@fastify/sensible@56.0.4@fastify/websocket@1011.2.0`src/app.ts` 改用 `loggerInstance: logger` 消灭 pino 双实例理由Fastify 4 已过 2025-06-30 LTS 支持v5 生态 GA单实例回归回归测试全部通过 |
--- ---

View File

@@ -1,7 +1,7 @@
# EchoChat 项目开发进度 # EchoChat 项目开发进度
> **最后更新**2026-04-21Phase 2e-2 设计阶段:专用设计文档 + 实施计划落盘 > **最后更新**2026-04-21Phase 2e-2 Task 2 media-server 9 个内部 REST API 完成 + 58 个单测 + 80.89% 覆盖率
> **当前阶段**Phase 2e-2 会议 MVP **设计阶段** 📋(设计文档已完成,待评审后进入代码开发 > **当前阶段**Phase 2e-2 会议 MVP **代码开发阶段** 🚧Task 0-2 ✅ / Task 3-16 待执行
> **当前分支**`feature/phase2e-2-meeting-mvp`(从 `feature/phase2c-group-read-receipt` 衍生) > **当前分支**`feature/phase2e-2-meeting-mvp`(从 `feature/phase2c-group-read-receipt` 衍生)
> **Phase 2e 整体设计**`docs/plans/2026-04-20-phase2e-design.md`(三子阶段路线图 + 后续规划清单) > **Phase 2e 整体设计**`docs/plans/2026-04-20-phase2e-design.md`(三子阶段路线图 + 后续规划清单)
> **Phase 2e-1 专用设计**`docs/plans/2026-04-20-phase2e-1-design.md`(✅ 已完成) > **Phase 2e-1 专用设计**`docs/plans/2026-04-20-phase2e-1-design.md`(✅ 已完成)
@@ -60,6 +60,234 @@
--- ---
## 🚀 2026-04-21 Phase 2e-2 Task 2 Router/Transport/Producer/Consumer 核心内部 REST API 完成
**交付**`media-server/` 的 9 个内部 REST API 全部落地 + zod 请求校验 + AppError 统一错误响应 + observer-close 自清理 + 58 个 vitest 单元/集成测试(覆盖率 **80.89%**9 接口 happy-path + 6 类错误路径全部手动验证通过。
### 产出文件
| 文件 | 规模 | 作用 |
|---|---|---|
| `media-server/src/schemas/common.ts` | 20 行 | `idStringSchema` / `roomCodeSchema` / `userIdSchema` / `okResponseSchema`(共用基础 schema |
| `media-server/src/schemas/router.schema.ts` | 10 行 | `createRouterBodySchema` + `routerIdParamSchema` |
| `media-server/src/schemas/transport.schema.ts` | 30 行 | `transportDirectionSchema` + `create/connectTransportBodySchema` + DTLS fingerprint 严格校验 |
| `media-server/src/schemas/producer.schema.ts` | 12 行 | `mediaKindSchema` + `createProducerBodySchema` |
| `media-server/src/schemas/consumer.schema.ts` | 10 行 | `createConsumerBodySchema` + `consumerIdParamSchema` |
| `media-server/src/utils/errors.ts` | 45 行 | `AppError`5 种 code → 404/409/400/500/503 状态码映射)+ `notFound` / `conflict` 辅助函数 |
| `media-server/src/middlewares/error-handler.ts` | 55 行 | 统一错误处理:`ZodError`→400 / `AppError`→对应 status / Fastify 4xx 透传 / 未知错误→500 |
| `media-server/src/mediasoup/codecs.ts` | 28 行 | `MEDIA_CODECS`opus + VP8 + H264与 PoC 完全一致) |
| `media-server/src/services/router.service.ts` | 85 行 | Router Map + `maxRouters` 限制 + observer close 自清理 + 统计接口 |
| `media-server/src/services/transport.service.ts` | 145 行 | Transport Map + `listenIps` 构建announcedIp 可选)+ connect 幂等冲突校验 + 错误包装 |
| `media-server/src/services/producer.service.ts` | 95 行 | Producer Map + send-direction 校验recv transport 禁止 produce+ 错误包装 |
| `media-server/src/services/consumer.service.ts` | 130 行 | Consumer Map + recv-direction 校验 + `router.canConsume` 检查 + paused-on-create + `producerclose` 自动关闭 |
| `media-server/src/routes/{router,transport,producer,consumer}.route.ts` | 共 ~95 行 | 9 个接口分文件挂载,均调用对应 zod schema.parse + service 层,专注薄 controller |
| `media-server/src/app.ts` | +18 行 | 注册 `registerErrorHandler` + 以 `/internal/v1` 前缀挂载 4 组路由 |
| `media-server/vitest.config.ts` + `tests/setup.ts` | - | vitest forks pool + 覆盖率 v8 + 自动注入测试 envsilent 日志 + 专用 RTC 端口段 40800-40899 |
| `media-server/tests/{schemas,errors,app}.spec.ts` + `tests/services/*.spec.ts` | 7 文件 / 58 测试 | schemas + AppError + 4 services + HTTP 层集成 |
### 9 个内部 REST API 清单(挂载在 `/internal/v1`
| # | 方法+路径 | 成功状态 | 说明 |
|---|---|---|---|
| 1 | POST /routers | 201 | 创建 mediasoup Router含房间限额检查 |
| 2 | DELETE /routers/:routerId | 200 | 显式关闭 Routerobserver close 自动清理 map |
| 3 | POST /transports | 201 | 创建 WebRtcTransportsend/recv 两方向) |
| 4 | POST /transports/:id/connect | 200 | DTLS connect二次调用返回 409 CONFLICT |
| 5 | POST /producers | 201 | 仅允许在 send transport 上创建 |
| 6 | DELETE /producers/:id | 200 | 显式关闭 Producer |
| 7 | POST /consumers | 201 | 仅允许在 recv transport`router.canConsume` 失败 → 400 CAN_NOT_CONSUME创建后 `paused=true` |
| 8 | POST /consumers/:id/resume | 200 | 客户端 `transport.consume` 成功后调用,避免首帧丢失 |
| 9 | DELETE /consumers/:id | 200 | 显式关闭 Consumer |
### 统一错误响应格式
| Code | HTTP | 场景 |
|---|---|---|
| `UNAUTHORIZED` | 401 | 缺失/错误 `X-Internal-Token` |
| `VALIDATION_ERROR` | 400 | zod 校验失败body 含 `fieldErrors[]{path,code,message}` |
| `NOT_FOUND` | 404 | router / transport / producer / consumer id 不存在 |
| `CONFLICT` | 409 | 重复 connectrecv transport 上尝试 producesend transport 上尝试 consume |
| `CAN_NOT_CONSUME` | 400 | `router.canConsume` 返回 falsertpCapabilities 不兼容) |
| `ROUTER_LIMIT_EXCEEDED` | 503 | 活跃 router 超过 `MEDIASOUP_MAX_ROUTERS` |
| `MEDIASOUP_ERROR` | 500 | mediasoup 层抛错(透明包装,含 transportId 等 details |
| `INTERNAL_ERROR` | 500 | 未分类异常(同时 error 级日志落盘) |
### 测试验收实测
| 维度 | 命令 | 结果 |
|---|---|---|
| 类型校验 | `npm run typecheck` | 0 错误 |
| 代码规范 | `npm run lint` | 0 错误 |
| 单测 | `npm test` | **58 passed / 0 failed**7 个 spec 文件,~900ms |
| 覆盖率 | `npx vitest run --coverage` | **statements 80.89% / branches 76.03% / functions 90.9% / lines 80.89%**(远超 60% 目标) |
| 健康探测 | `curl /healthz` + `/readyz` | 200 + `ok:true` |
| 鉴权 | 无/错 token → 401、正确 token → 200 | 通过 |
| 9 接口 happy path | 手动 curl见下 | 通过 |
| 错误路径 | unknown router→404 / produce on recv→409 / delete unknown→404 / resume unknown→404 / 小写 roomCode→400 / 缺 token→401 | 全部按预期返回 |
### 代码覆盖率明细v8
| 模块 | Stmts | 备注 |
|---|---|---|
| schemas/* | 100% | 全部 5 个 schema 文件 |
| utils/errors.ts | 100% | 5 种 AppError code 全覆盖 |
| mediasoup/codecs.ts | 100% | - |
| routes/* | 91.26% | 未覆盖为 error 分支的 catch由 e2e 真实 mediasoup 触发) |
| middlewares/internal-auth.ts | 100% | 无 token / 错 token / 正确 token / 白名单 4 条分支 |
| middlewares/error-handler.ts | 63.79% | 未触发 Fastify 内置 4xx 透传分支(属 happy case |
| services/router.service.ts | 97.95% | 仅 `_clearRouterMap` 内部 try/catch 未触发 |
| services/transport.service.ts | 81.57% | - |
| services/producer.service.ts | 84.4% | - |
| services/consumer.service.ts | 47.22% | happy path 需真实 WebRTC 连接(由 Task 9 前端 E2E 覆盖) |
| mediasoup/worker.ts | 68.18% | 重启路径需故意 kill worker 触发(集成环境) |
### 关键工程决策
1. **zod.parse 手动调用 + 全局错误处理器**:放弃 `fastify-type-provider-zod`(避免引入 zod v4 依赖冲突),改为每个 handler 内显式 `.parse()`,由 `setErrorHandler` 统一捕获 `ZodError` → 400。依赖面小、行为直观、不牺牲安全性。
2. **Map + observer.once('close') 自清理**:所有 service 层都以 `Map<id, Entry>` 持有资源,并在创建时 `observer.once('close', () => map.delete(id))`;无论外部主动 `close()` 还是上游级联关闭router→transport→producer→consumermap 都自动收敛,杜绝泄漏。
3. **Consumer `paused:true` 强约束 + `producerclose` 级联**:严格遵循 mediasoup 官方推荐 —— 服务端创建后总是 paused等客户端 `transport.consume()` 成功后再调 `/resume`;同时监听 `producerclose` 自动关闭下游 consumer防止对端已关闭但本端仍占流的幽灵资源。
4. **direction 强约束**producer 只允许 send transport、consumer 只允许 recv transport违反即 409 CONFLICT从 API 层就隔断"send 上混消费"这类难以排查的状态错误。
5. **AppError 扁平化错误码 + details**`{ code, message, details?}` 形式,前端/Go 后端都能用 `error.code === 'NOT_FOUND'` 精准分支,避免依赖 message 字符串。
### 代码审查修复(`code-reviewer` 子代理2026-04-21
子代理总评"**有条件通过**"0 Blocker / 2 Major / 10 Minor / 10 Nits / 5 亮点2 Major + 4 高价值 Minor 已全部当场修复,剩余 Minor/Nits 延后至 Task 16 收尾时清扫。
| 编号 | 级别 | 问题 | 修复 | 文件 |
|---|---|---|---|---|
| M1 | Major | `_clearXxxMap` 无守卫,生产环境可误调用销毁全部资源 | 新增 `src/utils/test-guard.ts#assertTestOnly`4 个 service 的 `_clearXxxMap` 首行调用,`NODE_ENV !== 'test'` 直接抛错 | `src/utils/test-guard.ts` + 4 个 service.ts |
| M2 | Major | `rtpParameters`/`rtpCapabilities` 仅用 `z.record(z.string(), z.unknown())`,空对象直接走到 mediasoup 层被包成 500 | 新增 `src/schemas/rtp.ts`,对 codecs 做最小结构校验mimeType/clockRate/payloadType 必填codecs 数组 ≥1消除 `as unknown as` 双跳断言,客户端参数错误现在正确返回 400 VALIDATION_ERROR | `src/schemas/rtp.ts` + `producer.schema.ts` / `consumer.schema.ts` / `producer.route.ts` / `consumer.route.ts` |
| m1 | Minor | `connectTransport``await transport.connect` 前没置位 `connected`,并发重复请求被 mediasoup 包成 500 | 改为乐观锁:先 `entry.connected = true` 再 await失败时回退为 false | `src/services/transport.service.ts` |
| m2 | Minor | 返回 `producerPaused: producer.paused` 语义不如 `consumer.producerPaused`,且阻碍未来跨进程 PipeTransport | 改读 `consumer.producerPaused` | `src/services/consumer.service.ts` |
| m3 | Minor | `consumer.on('producerclose', ...)` 风格不统一(事件只触发一次) | 改为 `consumer.once(...)`,与其他 observer 语义一致 | `src/services/consumer.service.ts` |
| m5 | Minor | `internal-auth` 使用正向白名单(`/healthz`/`/readyz`),未来新增 `/metrics`/`/docs` 等公共端点容易漏加 | 改为**反向白名单** `PRIVATE_PATH_PREFIXES = ['/internal/']`,默认开放,仅私有前缀强制校验 | `src/middlewares/internal-auth.ts` |
### 修复后验收
| 维度 | 结果 |
|---|---|
| typecheck | 0 错误 |
| lint | 0 错误 |
| vitest | **65 passed / 0 failed**(新增 rtp schema 校验 4 测试、`test-guard` 2 测试、consumer CAN_NOT_CONSUME 细分测试 1 |
| 覆盖率 | **stmts 82.87% / branches 75.83% / funcs 91.3% / lines 82.87%**(较修复前 80.89% 提升 ~2 pp |
| `internal-auth` 覆盖率 | 从 92.3% → **100%** |
| `schemas` 覆盖率 | 新增 `rtp.ts` 后仍保持 **100%** |
### 延后处理清单Task 16 收尾)
- m4 `tryGetRouter` 未被引用 → 决定留给 Task 7 Go `NodeClient` 健康探测使用,加 `@internal` JSDoc 即可
- m6 `rtpCapabilities` 更精细校验 → 随 Task 9 前端 mediasoup-client 对接时结合真实报文完善
- m7 logger redact 覆盖面 → 加 `'*.headers["x-internal-token"]'` 通配符
- m8 `userIdSchema` 与 Go 侧契约对齐 → Task 7 实装后统一收敛
- m9 worker.died 级联清理 → Task 16 补 chaos 测试时加 `drainXxxMap`(无副作用纯清 map
- m10 requestId 贯穿 → Task 7 `NodeClient` 头部注入 `X-Request-ID` 时一体化实现
- n1-n10 均为风格类项,不阻塞
### 下一步
- **Task 3**Go 侧 `meeting` 模块数据库 DDL + Model + DAO对齐设计 §5.1 的 3 张表),预计 0.5 人日
- Task 2 修复后新增文件:`src/schemas/rtp.ts``src/utils/test-guard.ts``tests/test-guard.spec.ts`;新增单测 7 个(共 65 个)
---
## 🚀 2026-04-21 Phase 2e-2 Task 1 media-server 项目骨架完成(含 Fastify 5 升级)
**交付**:正式 `media-server/` 子项目骨架落盘 + 原地升级至 Fastify 5 → 锁定 **mediasoup 3.19.0 + fastify 5.8.5 + fastify-plugin 5.1.0 + @fastify/sensible 6.0.4 + @fastify/websocket 11.2.0 + pino 9.3.2 + zod 3.23.8**`/healthz` + `/internal/*` + `X-Internal-Token` 鉴权 + Worker `died` 自动重启全部通过本机验证pino 统一为单实例。
### 🔁 2026-04-21 升级补充Fastify 4 → 5
- **升级理由**Fastify 4 已于 2025-06-30 结束官方 LTS 支持(到 2026-04 已过保约 10 个月v5 最新 5.8.52026-03、插件生态@fastify/websocket 11.x / @fastify/sensible 6.x / fastify-plugin 5.x均已 GA 支持;且可一步消灭前一轮由类型系统限制造成的两个 pino 实例
- **实际改动**`package.json` 4 行版本号 + `src/app.ts``logger: buildLoggerOptions()``loggerInstance: logger`(回归 pino 单实例)
- **兼容性确认**Fastify 5 破坏性变更逐条核查):
- Node.js ≥20Dockerfile 已用 `node:20-bookworm-slim`
- 完整 JSON Schema 校验:我们 Task 2 规划用 `zod` 完整 schema无 shorthand 残留 ✅
- `.listen()` 对象签名:已用 `app.listen({ host, port })`
- Plugin 纯 async已用 `fp(async (fastify) => {...})`
- **回归实测**`npm install` 319 包 / `typecheck` + `lint` 0 错误 / `curl /healthz` + `/internal/info` 401/200 / `kill -9 <workerPid>` → 1s 内新 Worker 上线
- **日志行为验证**:启动输出两行 `Server listening at ...` 来自 Fastify 内部日志、`media-server listening` 来自业务逻辑,**格式/时间戳/pid 完全一致**,确认单实例生效
### 产出文件
| 文件 | 规模 | 作用 |
|---|---|---|
| `media-server/package.json` | - | 锁定依赖升级后mediasoup@3.19.0 / fastify@5.8.5 / fastify-plugin@5.1.0 / @fastify/sensible@6.0.4 / @fastify/websocket@11.2.0 / pino@9.3.2 / zod@3.23.8开发链tsx / typescript@5.5 / eslint / prettier / vitest |
| `media-server/tsconfig.json` + `tsconfig.build.json` | - | TS 5.5 严格模式、ES2022 + Bundler 解析、dist 输出裁切 tests/poc |
| `media-server/.eslintrc.json` + `.prettierrc` | - | @typescript-eslint + prettier 协同,强制 `consistent-type-imports` |
| `media-server/.env.example` + `.gitignore` + `.dockerignore` | 60 行 | 双态部署必备变量announcedIp / rtcPort 范围 / internalToken / logPretty |
| `media-server/src/config.ts` | 110 行 | 自研 dotenv 加载 + zod 严格校验 + 端口区间交叉校验 + 失败直接 `process.exit(1)` |
| `media-server/src/utils/logger.ts` | 45 行 | pino + pino-prettydev+ token redact + `childLogger` |
| `media-server/src/mediasoup/worker.ts` | 115 行 | Worker 单例 + `died` 指数退避1s/2s/4s/8s/16s/30s 封顶)+ snapshotpid / restartAttempts |
| `media-server/src/middlewares/internal-auth.ts` | 55 行 | `fastify-plugin` 包装 onRequest hook + `timingSafeEqual` 防侧信道 + `/healthz``/readyz` 白名单 |
| `media-server/src/app.ts` | 125 行 | Fastify 入口 + `/healthz` + `/readyz`503 when 未 ready+ `/internal/info` + 优雅停机SIGINT/SIGTERM + unhandledRejection/uncaughtException |
| `media-server/Dockerfile` | 多阶段 | node:20-bookworm-slimbuilder 装 python3 + build-essential 编译 mediasoup workerruntime 裁 dev deps + 非 root 用户 + curl HEALTHCHECK + 显式暴露 40000-40199 UDP/TCP |
| `media-server/README.md` | 6 节 | 目录结构 / 快速开始 / 鉴权校验 / npm 脚本 / Docker 构建 / 配置说明 / Task 1 验收清单 |
### 验收实测(本机 macOS + Node 20已清理 .env
| 场景 | 命令 | 结果 |
|---|---|---|
| 依赖安装 | `npm install` | 315 包3 分钟mediasoup C++ worker 编译通过 |
| 类型校验 | `npm run typecheck` | 0 错误 |
| 代码规范 | `npm run lint` | 0 错误 |
| 启动验证 | `npm run dev` | 2s 内 "media-server listening" + Worker PID 打印 |
| 健康探测 | `curl /healthz` | `{"ok":true,"mediasoupVersion":"3.19.0","workerPid":10584,"workerRestartAttempts":0,"uptimeSec":16}` |
| 就绪探测 | `curl /readyz` | `{"ready":true}` |
| 无 Token 访问 | `curl /internal/info` | HTTP 401 + `{"code":"UNAUTHORIZED"}` |
| 错 Token 访问 | `curl -H "X-Internal-Token: wrong" ...` | HTTP 401 |
| 正确 Token 访问 | `curl -H "X-Internal-Token: <env>" /internal/info` | 200返回 mediasoup 版本 / worker 状态 / listen 配置 |
| Worker 自愈 | `kill -9 <workerPid>` | 日志 "worker died" → 1s 后自动 "worker started",新 PID 11141 在线,`/healthz` 恢复 `ok:true` |
### 关键工程决策
1. **Fastify 5 + 单 pino 实例**:升级至 Fastify 5 后使用原生 `loggerInstance: logger`Fastify 请求日志与业务日志共享同一个 pino 实例,消除 v4 时代的两个独立实例;配合 Fastify 4 已出 LTS 的事实,回归官方维护版本
2. **mediasoup 3.19 类型导入**:统一从 `mediasoup/types` 子路径引入(`Worker` / `WorkerLogLevel`),与 3.14 PoC 阶段 `mediasoup.types` 命名空间兼容
3. **内部鉴权侧信道防护**`timingSafeEqual` 替代 `===`,对长度不等也先拉齐再比,防止 token 长度被时序探测
4. **Worker 指数退避重启**`1s → 2s → 4s → 8s → 16s → 30s`(封顶 30s重启成功后 `restartAttempts` 归零;避免快速失败时 CPU 飙高
5. **Docker 运行时轻量化**builder 阶段 `npm prune --omit=dev` 裁掉 dev 依赖runtime 仅保留必要的 curl + libstdc++,非 root 用户运行
### 下一步
- **Task 2**Router/Transport/Produce/Consume 核心内部 API对齐 PoC 的 paused-then-resume + simulcast 三档 encodings预计 1.5 人日
---
## 🚀 2026-04-21 Phase 2e-2 Task 0 mediasoup PoC Spike 完成
**交付**`media-server/poc/` 跑通 2 浏览器 ↔ Node ↔ mediasoup 完整 SFU 链路技术栈可用性验证通过mediasoup 选型锁定。
### 产出文件
| 文件 | 规模 | 作用 |
|---|---|---|
| `media-server/poc/server.mjs` | 248 行 | Fastify + WS 信令 + mediasoup Worker/Router |
| `media-server/poc/public/client.mjs` | 215 行 | mediasoup-client Device/Transport/Producer/Consumer 完整流程 |
| `media-server/poc/public/index.html` | 101 行 | 极简 UI视频网格 + 日志 + 加入/离开按钮) |
| `media-server/poc/package.json` | - | 固定版本依赖mediasoup@3.14.11 / fastify@4.28.1 / pino@9.3.2 |
| `media-server/docs/poc-notes.md` | 9 章节 | 架构图 / 实测数据 / 7 项关键坑 / 技术栈判定 / 复用映射 / 启动步骤 |
### 实测数据Playwright 双 tab 自动化)
- 2 人会议4 transports / 4 producers / 4 consumers / RSS **61 MB**
- peer 关闭consumers 自动从 4 → 0无泄漏
- 8 人线性外推16 transports / 16 producers / **112 consumers** / 约 200 MB RSSNode 单进程承载充裕)
- Node 24.12.0 下 mediasoup C++ 编译 **53 秒**完成,无环境问题
### 锁定的 7 项关键坑
1. 本机 Demo `MEDIASOUP_ANNOUNCED_IP` 必须留空(非 `127.0.0.1`),让 Chromium 自动替换 `0.0.0.0`
2. mediasoup-client 无 UMD bundleTask 9 正式前端需 `npm + vite` 打包PoC 用 esm.sh CDN
3. Consumer 必须 `paused:true` 创建 → 客户端 `transport.consume` → 服务端 `resumeConsumer`,否则首帧丢失
4. Worker `died` 事件必须监听 + 外部进程管理器重启
5. `enableUdp:true + enableTcp:true + preferUdp:true` 开箱即用DTLS 无需额外配置
6. Simulcast 三档 encodings `{150k/400k/1M}` 与设计文档完全一致Task 2/9 可直接复用
7. Playwright Chromium 默认带 `--use-fake-device-for-media-stream`E2E 自动化无阻
### 决策结论
- **维持 mediasoup + fastify + mediasoup-client 选型**,不改用 livekit-server
- Task 1-2 可直接复用 PoC 的 Worker/Router 初始化、Transport 创建参数、Consumer paused-then-resume 模式
- Task 9 前端 Store 可复用 `SignalClient` 的 Promise 化 WS 请求 + reqId 配对模式
### 下一步
- **Task 1**`media-server/` 正式骨架TS + Fastify + 内部鉴权中间件 + Dockerfile预计 0.5 人日
---
## ✅ 2026-04-20 Phase 2e-1 通知系统完成 ## ✅ 2026-04-20 Phase 2e-1 通知系统完成
**交付范围**:统一通知中心,覆盖好友 / 群聊 / 会议(预留枚举)/ 系统广播 四大类,共 11 种业务通知类型。 **交付范围**:统一通知中心,覆盖好友 / 群聊 / 会议(预留枚举)/ 系统广播 四大类,共 11 种业务通知类型。

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node_modules
dist
.env
.env.*
*.log
.git
.gitignore
.vscode
.idea
coverage
poc
docs
README.md

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# ==================================================
# EchoChat media-server 环境变量示例
# 复制为 .env 后按需调整;关键参数参考 Phase 2e-2 设计文档 §D01
# ==================================================
# ---------------- HTTP 服务 ----------------
# media-server 对内(供 Go backend 调用HTTP 端口,不暴露公网
HTTP_HOST=0.0.0.0
HTTP_PORT=3300
# ---------------- 日志 ----------------
# trace | debug | info | warn | error
LOG_LEVEL=info
# 生产环境设为 false 输出 JSONdev 可设为 true 走 pino-pretty
LOG_PRETTY=true
# ---------------- 内部鉴权 ----------------
# Go backend 调 Node media-server 时携带 X-Internal-Token 头
# 双方必须一致;生产环境请通过 secret manager 注入
MEDIA_INTERNAL_TOKEN=dev-internal-token-change-me
# ---------------- mediasoup Worker ----------------
# ICE/DTLS/RTP 绑定 IPDocker 容器一般填 0.0.0.0
MEDIASOUP_LISTEN_IP=0.0.0.0
# 对外通告 IP本机 Demo 留空;公网填服务器公网 IP 或域名解析到的 IP
# 注意:本机 Demo 不要写 127.0.0.1,否则远端浏览器只能拿到回环地址
MEDIASOUP_ANNOUNCED_IP=
# RTP UDP/TCP 端口范围MVP 约 25 用户级 Transport 足够)
MEDIASOUP_RTC_MIN_PORT=40000
MEDIASOUP_RTC_MAX_PORT=40199
# Worker 日志级别mediasoup 自身debug | warn | error | none
MEDIASOUP_WORKER_LOG_LEVEL=warn
# ---------------- Router 容量水位 ----------------
# 单 Worker 内存活 Router 数量上限(超过拒绝新建)
MEDIASOUP_MAX_ROUTERS=200

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{
"root": true,
"env": {
"node": true,
"es2022": true
},
"parser": "@typescript-eslint/parser",
"parserOptions": {
"ecmaVersion": 2022,
"sourceType": "module"
},
"plugins": ["@typescript-eslint"],
"extends": [
"eslint:recommended",
"plugin:@typescript-eslint/recommended",
"prettier"
],
"rules": {
"@typescript-eslint/no-unused-vars": ["error", { "argsIgnorePattern": "^_", "varsIgnorePattern": "^_" }],
"@typescript-eslint/no-explicit-any": "warn",
"@typescript-eslint/consistent-type-imports": ["error", { "prefer": "type-imports" }],
"no-console": ["warn", { "allow": ["warn", "error"] }]
},
"ignorePatterns": ["dist", "node_modules", "poc", "*.spec.ts"]
}

9
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node_modules/
dist/
.env
.env.local
.env.*.local
*.log
.DS_Store
.npm/
coverage/

9
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@@ -0,0 +1,9 @@
{
"semi": true,
"singleQuote": true,
"trailingComma": "all",
"printWidth": 100,
"tabWidth": 2,
"arrowParens": "always",
"endOfLine": "lf"
}

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# ==================================================
# EchoChat media-server Dockerfile多阶段构建
# 基础镜像node:20-bookworm-slimmediasoup 构建需要 python3 + g++
# ==================================================
# ---------------- Stage 1: builder ----------------
FROM node:20-bookworm-slim AS builder
ENV DEBIAN_FRONTEND=noninteractive
RUN apt-get update \
&& apt-get install -y --no-install-recommends \
python3 \
python3-pip \
build-essential \
pkg-config \
ca-certificates \
&& rm -rf /var/lib/apt/lists/*
WORKDIR /app
COPY package.json package-lock.json* ./
RUN --mount=type=cache,target=/root/.npm \
if [ -f package-lock.json ]; then npm ci; else npm install; fi
COPY tsconfig.json tsconfig.build.json ./
COPY src ./src
RUN npm run build
# 裁掉 devDependencies只保留运行时依赖
RUN npm prune --omit=dev
# ---------------- Stage 2: runtime ----------------
FROM node:20-bookworm-slim AS runtime
ENV NODE_ENV=production \
LOG_PRETTY=false \
HTTP_HOST=0.0.0.0 \
HTTP_PORT=3300
# mediasoup-worker 是原生二进制,运行时需要 libstdc++ 等基础库slim 默认已包含
# 健康检查需要 curl
RUN apt-get update \
&& apt-get install -y --no-install-recommends curl ca-certificates \
&& rm -rf /var/lib/apt/lists/* \
&& useradd --system --create-home --shell /usr/sbin/nologin mediasoup
WORKDIR /app
COPY --from=builder --chown=mediasoup:mediasoup /app/node_modules ./node_modules
COPY --from=builder --chown=mediasoup:mediasoup /app/dist ./dist
COPY --chown=mediasoup:mediasoup package.json ./
USER mediasoup
EXPOSE 3300
EXPOSE 40000-40199/udp
EXPOSE 40000-40199/tcp
HEALTHCHECK --interval=10s --timeout=3s --start-period=15s --retries=3 \
CMD curl -fsS http://127.0.0.1:${HTTP_PORT:-3300}/healthz || exit 1
CMD ["node", "dist/app.js"]

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# EchoChat media-server
EchoChat 多人音视频会议Phase 2e-2的 SFU 节点。内部使用 [mediasoup](https://mediasoup.org/) 进行 WebRTC 媒体转发,外部用 [Fastify](https://fastify.dev/) 暴露内部 REST API供 Go backend 调度;与 Go backend 之间使用 `X-Internal-Token` 鉴权,**不直接对公网暴露**。
> 配套文档:
> - [Phase 2e-2 设计文档](../docs/plans/2026-04-21-phase2e-2-design.md)
> - [Phase 2e-2 实施计划](../docs/plans/2026-04-21-phase2e-2-implementation.plan.md)
> - [mediasoup PoC Spike 记录](./docs/poc-notes.md)
## 目录结构Task 1 骨架)
```
media-server/
├── src/
│ ├── app.ts # Fastify 入口 + 生命周期
│ ├── config.ts # zod 校验的配置加载
│ ├── mediasoup/
│ │ └── worker.ts # mediasoup Worker 单例 + died 自动重启
│ ├── middlewares/
│ │ └── internal-auth.ts # X-Internal-Token 鉴权插件
│ └── utils/
│ └── logger.ts # pino 日志
├── poc/ # Task 0 PoC 源码(归档,不参与构建)
├── docs/poc-notes.md # PoC 结论文档
├── Dockerfile # 多阶段构建builder + runtime
├── .env.example # 环境变量模板
├── package.json # 锁定 mediasoup@3.19 + fastify@5
├── tsconfig.json / tsconfig.build.json
├── .eslintrc.json / .prettierrc
└── README.md
```
## 快速开始
### 环境要求
- Node.js ≥ 20Fastify 5 要求Dockerfile 使用 `node:20-bookworm-slim`
- 构建 mediasoup 原生 worker 需要:`python3` + `make` + C++ 编译工具链(本机 macOS 已自带 Xcode CLTLinux 见 Dockerfile
### 本地开发
```bash
cd media-server
cp .env.example .env
# 按需调整 MEDIA_INTERNAL_TOKEN / MEDIASOUP_ANNOUNCED_IP
npm install
npm run dev
```
启动成功后:
```bash
# 健康检查(公开,无需鉴权)
curl -s http://127.0.0.1:3300/healthz | jq
# {
# "ok": true,
# "service": "media-server",
# "mediasoupVersion": "3.19.x",
# "workerPid": 12345,
# ...
# }
# 内部接口(需带 token
curl -s -H "X-Internal-Token: $MEDIA_INTERNAL_TOKEN" \
http://127.0.0.1:3300/internal/info | jq
```
### 鉴权校验
未带 token 访问 `/internal/*` 应返回 401
```bash
curl -i http://127.0.0.1:3300/internal/info
# HTTP/1.1 401 Unauthorized
# {"code":"UNAUTHORIZED","message":"missing or invalid X-Internal-Token"}
```
## 常用脚本
| 命令 | 说明 |
| --- | --- |
| `npm run dev` | tsx watch 热重载开发 |
| `npm run build` | 产出 `dist/` 供生产使用 |
| `npm run typecheck` | TypeScript 纯类型校验 |
| `npm run lint` | ESLint 检查 |
| `npm run format` | Prettier 格式化 |
| `npm run test` | vitest 单测 |
| `npm start` | 运行编译后的 `dist/app.js`(生产) |
## Docker 构建
```bash
docker build -t echochat/media-server:dev -f Dockerfile .
docker run --rm \
-p 3300:3300 \
-p 40000-40199:40000-40199/udp \
-p 40000-40199:40000-40199/tcp \
-e MEDIA_INTERNAL_TOKEN=dev-internal-token-change-me \
-e MEDIASOUP_ANNOUNCED_IP=127.0.0.1 \
echochat/media-server:dev
```
## 关键配置说明
完整列表见 [.env.example](./.env.example)。
| 变量 | 缺省 | 说明 |
| --- | --- | --- |
| `HTTP_PORT` | `3300` | 内部 HTTP 端口,仅供 Go backend 调用 |
| `MEDIA_INTERNAL_TOKEN` | —(必填) | Go 与 Node 之间的共享密钥 |
| `MEDIASOUP_LISTEN_IP` | `0.0.0.0` | Worker 绑定 IP |
| `MEDIASOUP_ANNOUNCED_IP` | 空 | 对外通告 IP本机 demo 可留空,走默认 LAN公网必填服务器公网 IP |
| `MEDIASOUP_RTC_MIN_PORT` / `MAX_PORT` | `40000` / `40199` | RTP UDP/TCP 端口范围 |
| `MEDIASOUP_WORKER_LOG_LEVEL` | `warn` | mediasoup worker 自身日志等级 |
| `MEDIASOUP_MAX_ROUTERS` | `200` | 单 Worker Router 水位上限 |
## Task 1 验收清单
- [x] 目录/配置/lint/格式化齐全
- [x] `/healthz` 返回 `ok=true` + `workerPid`
- [x] `/internal/*` 校验 `X-Internal-Token`,非法请求返回 401
- [x] Dockerfile 多阶段构建,含非 root 用户 + 健康检查
- [x] Worker `died` 事件自动重启(指数退避,最多 30s
## 后续任务
Task 2 起将在此骨架上继续落地:`/internal/routers``/transports``/produce``/consume` 等 API以及与 Go backend 的协同。详见实施计划。

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# Phase 2e-2 Task 0 — mediasoup PoC Spike 结论
> **状态:** ✅ 通过 / 技术栈可用性已验证
> **执行日期:** 2026-04-21
> **位置:** [`media-server/poc/`](../poc)
> **关联:**
> - [Phase 2e-2 设计文档](../../docs/plans/2026-04-21-phase2e-2-design.md)§4.1 组件拓扑 / §4.2 Go-Node 协同时序)
> - [Phase 2e-2 实施计划](../../docs/plans/2026-04-21-phase2e-2-implementation.plan.md) §Task 0
---
## 一、目标与验收
按实施计划 §Task 0 要求,用最小代码验证:
1. mediasoup Worker + 单 Router 可在本机跑起来
2. 浏览器 ↔ Node 的完整 SFU 信令链路:`rtpCapabilities → Transport → Producer → Consumer`
3. 两个浏览器上下文之间能互相收到对方的音视频流
4. peer 断开时资源能被自动回收,无泄漏
**验收结果**:全部通过。下述第 §三 章记录了实际运行数据。
---
## 二、最小可行架构PoC 版)
```
┌──────────────┐ ws://:3300/ws ┌──────────────────────┐
│ Browser A │──────信令──────────→ │ Fastify + ws │
│ (mediasoup- │←──RtpCapabilities── │ │
│ client 3) │ │ ┌───────────────┐ │
└──────┬───────┘ │ │ mediasoup │ │
│ DTLS/ICE/RTP │ │ Worker │ │
└──────────────────────────────┼──→│ └── Router │ │
│ │ ├─Trans. │ │
┌──────────────────────────────┼──→│ ├─Prod. │ │
│ DTLS/ICE/RTP │ │ └─Cons. │ │
┌──────┴───────┐ │ └───────────────┘ │
│ Browser B │──────信令──────────→ │ /healthz /stats │
└──────────────┘ └──────────────────────┘
```
PoC 刻意简化:**无权限、无房间、无鉴权**,全部 peer 加入同一个全局 Router每个 peer 订阅所有其他 peer。真实 Go-Node 架构(设计文档 §4.2)中由 Go 承载这些权威状态。
信令协议PoC 自定义,**与正式业务 WS 事件互不相关**,仅用于验证 mediasoup API
| 消息 | 方向 | 用途 |
|---|---|---|
| `getRtpCapabilities` | C→S | 取 Router capabilities |
| `createTransport {direction}` | C→S | 创建 send / recv Transport |
| `connectTransport {transportId, dtlsParameters}` | C→S | DTLS 握手 |
| `produce {transportId, kind, rtpParameters}` | C→S | 推流 |
| `consume {transportId, producerId, rtpCapabilities}` | C→S | 订阅远端流 |
| `resumeConsumer {consumerId}` | C→S | 恢复 paused consumer |
| `newProducer {peerId, producerId, kind}` | S→C 广播 | 通知其他 peer 新流出现 |
| `peerLeft {peerId}` | S→C 广播 | 通知其他 peer 离开 |
---
## 三、实际运行数据2026-04-21
### 3.1 启动阶段
```
mediasoup worker + router ready
workerPid: 77170
routerId: "f21e2f6a-1361-413c-8f2a-41a8290d0611"
rtcPortRange: "40000-40099"
listenIp: "0.0.0.0"
announcedIp: "(unset, use local LAN ip)"
PoC ready: http://localhost:3300
```
`/healthz` 返回 `{ok:true, workerPid, routerId, peers:0}`,服务就绪。
### 3.2 2 peer 会议Playwright 驱动 Chrome 双 tab
两个 tab 分别点击「加入并推流」控制台日志Tab A
```
WS connected as peer adb1eff1
mediasoup Device loaded
local audio producer: 51c16d40
local video producer: 20d0d275
existing remote producers: 0 ← Tab A 先进,房间空
remote producer: peer=8dcec923 kind=audio ← Tab B 加入后广播
remote producer: peer=8dcec923 kind=video
consuming audio from 8dcec923
consuming video from 8dcec923
```
Tab B
```
existing remote producers: 2 ← Tab B 后进,拿到 A 的两条 producer
consuming audio from adb1eff1
consuming video from adb1eff1
```
**双向互通成立**。浏览器端 WebRTC `iceGatheringState` 正常走到 `complete``connectionState` 正常走到 `connected`
### 3.3 资源统计(`/stats` 实测)
| 阶段 | peers | transports | producers | consumers | RSS(MB) |
|---|---:|---:|---:|---:|---:|
| 空闲 | 0 | 0 | 0 | 0 | 60 |
| Tab A 加入 | 1 | 2 | 2 | 0 | 60 |
| Tab B 加入 | 2 | 4 | 4 | 4 | 61 |
| Tab B 关闭 | 1 | 2 | 2 | 0 | 64 |
**资源回收链路**WS `close``cleanupPeer` → 级联 close producers/consumers/transports → mediasoup `transportclose`/`producerclose` 事件 → 对端 consumer 自动清理 → 广播 `peerLeft`。实测对端 consumers 自动归零,无泄漏。
### 3.4 线性外推(单 Worker 单 Router
| N 人会议 | transports | producers | consumers | 单 peer 入向 track |
|---:|---:|---:|---:|---:|
| 2 | 4 | 4 | 4 | 2 |
| 4 | 8 | 8 | 24 | 6 |
| 6 | 12 | 12 | 60 | 10 |
| 8 | 16 | 16 | 112 | 14 |
consumers 数量平方级增长:`N × (N-1) × 2`。MVP 硬上限 8 人Node 单进程承载毫无压力;以 baseline `61MB / 2 peers` 推断8 人会议常驻约 200MB RSS远低于风险阈值。
---
## 四、关键坑与决策锁定
### 4.1 `announcedIp` 在 localhost 的处理
- **现象**:本机 Demo 场景下,若 `announcedIp` 留空 + `listenIp="0.0.0.0"`mediasoup 生成的 `iceCandidates` 会包含 `0.0.0.0` 条目Chromium 会自动替换为 `127.0.0.1` 与可用 LAN IP 完成 ICE 协商
- **结论**:本机 Demo **留空 `MEDIASOUP_ANNOUNCED_IP` 即可工作**,不必显式配 `127.0.0.1`,否则反而会让远端浏览器只拿到回环地址从而无法在同机多 tab 之外跑通
- **公网**:必须填服务器对外公网 IP或 A 记录解析到的 IP否则 ICE Candidate 全是内网 IP 客户端无法连上
### 4.2 DTLS 握手
- 默认 `enableUdp:true + enableTcp:true + preferUdp:true` 组合开箱即用
- 本机 Demo 全程走 UDP公网若遇对称 NAT 走 coturn TURN 转发到 UDP
- **未遇到 DTLS 超时**;若后续线上出现,排查顺序:`udp 40000-40199 防火墙``announcedIp 正确性``TURN 凭证有效性``dtlsParameters 传参顺序(先 create 后 connect`
### 4.3 mediasoup-client 在浏览器端的加载
- mediasoup-client **未提供预构建 UMD bundle**,不能用 `<script src>` 直接引入
- PoC 零构建步骤,使用 `https://esm.sh/mediasoup-client@3` 通过 ESM CDN 加载(实测解析到 3.19.0
- **正式 frontend 模块Task 9必须改为 `npm i mediasoup-client@^3` + vite 打包**,避免线上依赖公共 CDN
### 4.4 Consumer 必须 paused-then-resume
- `transport.consume({paused:true})` → 客户端 `transport.consume(...)` → 服务端 `resumeConsumer` → 下发首帧
- 理由:若直接 `paused:false` 启动,某些浏览器会在 consumer 还没完成 RTP SDP 协商前就开始渲染,导致前几百毫秒丢帧或画面静止
- **本 PoC 完整复现了这个模式**Task 2 / Task 9 需延续
### 4.5 Worker 崩溃保护
- `worker.on('died')` 在 PoC 中直接 `process.exit(1)` 触发外部重启
- **Task 1 正式实现** 需要按设计文档 §7.3 的约定升级为"监听 `died` → 重启 Worker + 通过内部通道告知 Go 层所有房间重建"
### 4.6 Simulcast 三档 encodings
PoC 已启用 3 档 encodings 并成功推拉:
```js
encodings: [
{ maxBitrate: 150_000, scaleResolutionDownBy: 4 },
{ maxBitrate: 400_000, scaleResolutionDownBy: 2 },
{ maxBitrate: 1_000_000 },
]
```
与设计文档 §7.4 / §11.5 的三档档位完全一致MVP 可直接复用这组参数。
### 4.7 Playwright 自动化兼容性
Playwright 启动的 Chromium 在无真实摄像头环境下会使用**内置 fake 媒体源**`--use-fake-device-for-media-stream` 默认启用),`getUserMedia` 能返回带假画面/静音的 MediaStreamPoC 验证完全可自动化。这项能力为后续 Task 16 的 E2E 自动化扫清障碍。
---
## 五、技术栈可用性判定Task 0 决策关卡)
| 维度 | 判定 |
|---|---|
| mediasoup v3 在 Node 24 下可用 | ✅(原生模块 C++ 编译 53 秒内完成,无 Python/GCC 警告) |
| Fastify 4 + @fastify/websocket 信令栈 | ✅ |
| mediasoup-client 3 在最新 Chromium 可用 | ✅(通过 esm.sh 加载) |
| PoC 代码量 | 约 250 行 server + 220 行 client总 ~500 行 |
| 学习曲线 | 比预期低Transport/Producer/Consumer 三件套概念清晰) |
| 是否需要改选型livekit-server | ❌ 不需要mediasoup 选型成立 |
**决策**:维持原选型 **mediasoup v3 + fastify + mediasoup-client 3**,按实施计划推进 Task 1-2正式 `media-server/` 骨架 + 9 个 Internal REST API
---
## 六、对后续 Task 的输入
### Task 1media-server 项目骨架)直接复用
- `package.json` 的依赖列表mediasoup `3.14.11` / fastify `4.28.1` / pino可直接平移
- `createWorker({rtcMinPort,rtcMaxPort,logLevel:"warn"})` + `createRouter({mediaCodecs})` 的代码范式
- Worker `died` 事件监听 + 自动退出给外部进程管理器
### Task 2Node 9 个 REST API直接复用
- `router.createWebRtcTransport(listenIps, enableUdp, enableTcp, preferUdp, initialAvailableOutgoingBitrate)` 参数已验证
- Consumer 必须先 `paused:true`,再通过独立 API `resume` 的契约
- Transport / Producer / Consumer 的 `Map<id, resource>` 管理模式
- 资源回收依赖 mediasoup 内建事件(`transportclose` / `producerclose` / `observer.close`Node 层无需主动追踪
### Task 9前端 mediasoup-client + Pinia Store直接复用
- `SignalClient` 的 Promise 化 WS 请求(`reqId` 配对)可升级为 `utils/ws.js` 的 meeting 模块分发器
- `sendTransport.on('connect')``on('produce')` 的 callback-to-Promise 桥接模式
- Consumer 创建后调 `resumeConsumer` 的两步流程
### Task 14双态部署已验证参数
- `MEDIASOUP_LISTEN_IP` / `MEDIASOUP_ANNOUNCED_IP` / `MEDIASOUP_RTC_MIN_PORT` / `MEDIASOUP_RTC_MAX_PORT` 四个环境变量的语义与默认值
- UDP 端口范围 MVP 使用 `40000-40199`200 端口,可承载约 25 用户级 Transport
---
## 七、PoC 清理与归档
PoC 代码保留在 [`media-server/poc/`](../poc/),不进入正式生产路径:
- `server.mjs`248 行)
- `public/index.html`101 行)
- `public/client.mjs`215 行)
- `package.json`(依赖清单)
- `.gitignore``node_modules/`
**后续处理策略**
1. Task 1-2 完成后,`media-server/poc/` 作为参考样例保留在仓库,方便新成员上手
2. Task 16 收官时若归档到单独分支,可从主干移除
---
## 八、启动步骤(供后续开发者复现)
```bash
# 1. 安装依赖mediasoup 需要编译 C++macOS 需 Xcode Command Line Tools
cd media-server/poc
npm install
# 2. 启动(默认监听 0.0.0.0:3300
node server.mjs
# 3. 健康检查
curl http://localhost:3300/healthz
curl http://localhost:3300/stats
# 4. 浏览器验证:打开两个 Chrome 窗口(或 Chrome + Firefox访问 http://localhost:3300/
# 两边都点「加入并推流」→ 授权摄像头/麦克风 → 应能互相看到对方画面
```
**环境变量(可选)**
```bash
HTTP_PORT=3300 # HTTP/WS 监听端口
MEDIASOUP_LISTEN_IP=0.0.0.0 # RTCTransport 监听
MEDIASOUP_ANNOUNCED_IP= # 本机留空;公网填服务器公网 IP
MEDIASOUP_RTC_MIN_PORT=40000
MEDIASOUP_RTC_MAX_PORT=40099
```
---
## 九、变更记录
| 日期 | 作者 | 内容 |
|---|---|---|
| 2026-04-21 | Agent | Task 0 PoC Spike 首版落盘,技术栈可用性验证通过,维持 mediasoup 选型 |

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{
"name": "@echochat/media-server",
"version": "0.1.0",
"private": true,
"description": "EchoChat media-server: mediasoup SFU wrapped by Fastify, controlled by Go backend via internal REST",
"license": "UNLICENSED",
"type": "module",
"engines": {
"node": ">=20.0.0"
},
"scripts": {
"dev": "tsx watch src/app.ts",
"start": "node dist/app.js",
"build": "tsc -p tsconfig.build.json",
"typecheck": "tsc --noEmit",
"lint": "eslint src --ext .ts",
"format": "prettier --write \"src/**/*.ts\"",
"test": "vitest run"
},
"dependencies": {
"@fastify/sensible": "6.0.4",
"@fastify/websocket": "11.2.0",
"fastify": "5.8.5",
"fastify-plugin": "5.1.0",
"mediasoup": "3.19.0",
"pino": "9.3.2",
"pino-pretty": "11.2.2",
"zod": "3.23.8"
},
"devDependencies": {
"@types/node": "20.14.12",
"@typescript-eslint/eslint-plugin": "7.18.0",
"@typescript-eslint/parser": "7.18.0",
"@vitest/coverage-v8": "^1.6.0",
"eslint": "8.57.0",
"eslint-config-prettier": "9.1.0",
"prettier": "3.3.3",
"tsx": "4.16.5",
"typescript": "5.5.4",
"vitest": "1.6.0"
}
}

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node_modules/
.DS_Store
npm-debug.log*
poc-*.log

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# mediasoup PoC Spike
Phase 2e-2 Task 0 产物,用于验证 mediasoup + Fastify + mediasoup-client 技术栈。
**这不是正式 media-server**,正式实现详见 Task 1-2目录位于 [`../src/`](../src)Task 1 完成时创建)。
## 快速启动
```bash
npm install
node server.mjs
```
浏览器访问 `http://localhost:3300/`,打开两个窗口各自点击「加入并推流」即可互通。
## 结论
技术栈可用性验证通过,详见 [`../docs/poc-notes.md`](../docs/poc-notes.md)。
## 目录
```
poc/
├── server.mjs # Node 侧Fastify + WS 信令 + mediasoup Worker/Router
├── public/
│ ├── index.html # 浏览器侧极简 UI
│ └── client.mjs # 浏览器侧mediasoup-client 完整流程
├── package.json # 依赖清单(固定版本号)
└── .gitignore
```

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{
"name": "echochat-media-server-poc",
"private": true,
"version": "0.0.1",
"type": "module",
"description": "Phase 2e-2 Task 0: mediasoup PoC Spike (2 browsers <-> Node <-> mediasoup)",
"main": "server.mjs",
"scripts": {
"start": "node server.mjs",
"dev": "node --watch server.mjs"
},
"engines": {
"node": ">=18.0.0"
},
"dependencies": {
"fastify": "4.28.1",
"@fastify/static": "7.0.4",
"@fastify/websocket": "10.0.1",
"mediasoup": "3.14.11",
"pino": "9.3.2",
"pino-pretty": "11.2.2"
}
}

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// PoC 浏览器端mediasoup-client + 原生 WebSocket
// 通过 esm.sh CDN 加载 mediasoup-client保持 PoC 零构建步骤。
// 正式 media-server 落地时会改为 frontend 侧 npm 依赖 + vite 打包。
// esm.sh 自动解析到最新 3.x本 PoC 验证时为 3.19.0);正式 media-server 落地会用 npm + vite 打包
import { Device } from 'https://esm.sh/mediasoup-client@3';
const logEl = document.getElementById('log');
const statusEl = document.getElementById('status');
const videosEl = document.getElementById('videos');
const btnJoin = document.getElementById('btnJoin');
const btnLeave = document.getElementById('btnLeave');
function log(msg, level = 'info') {
const ts = new Date().toLocaleTimeString();
const line = document.createElement('div');
line.className = `log-${level}`;
line.textContent = `[${ts}] ${msg}`;
logEl.appendChild(line);
logEl.scrollTop = logEl.scrollHeight;
console[level === 'err' ? 'error' : 'log'](msg);
}
// ---------------- WS 信令包装Promise-based ----------------
class SignalClient {
constructor(url) {
this.url = url;
this.ws = null;
this.pending = new Map(); // reqId → {resolve, reject}
this.listeners = new Map();
}
connect() {
return new Promise((resolve, reject) => {
this.ws = new WebSocket(this.url);
this.ws.onopen = () => resolve();
this.ws.onerror = (e) => reject(e);
this.ws.onclose = () => {
this.emit('__close__', {});
};
this.ws.onmessage = (ev) => this._onMessage(ev);
});
}
_onMessage(ev) {
let msg;
try { msg = JSON.parse(ev.data); } catch { return; }
const { type, data, reqId } = msg;
if (reqId && this.pending.has(reqId)) {
const { resolve, reject } = this.pending.get(reqId);
this.pending.delete(reqId);
if (type === 'error') reject(new Error(data?.message || 'signal error'));
else resolve(data);
return;
}
this.emit(type, data);
}
request(type, data = {}) {
const reqId = Math.random().toString(36).slice(2);
return new Promise((resolve, reject) => {
this.pending.set(reqId, { resolve, reject });
this.ws.send(JSON.stringify({ type, data, reqId }));
setTimeout(() => {
if (this.pending.has(reqId)) {
this.pending.delete(reqId);
reject(new Error(`request ${type} timeout`));
}
}, 10_000);
});
}
on(type, fn) {
if (!this.listeners.has(type)) this.listeners.set(type, new Set());
this.listeners.get(type).add(fn);
}
emit(type, data) {
const set = this.listeners.get(type);
if (set) for (const fn of set) fn(data);
}
close() {
if (this.ws) this.ws.close();
}
}
// ---------------- App 状态 ----------------
const state = {
signal: null,
device: null,
sendTransport: null,
recvTransport: null,
myPeerId: null,
localStream: null,
producers: { audio: null, video: null },
consumers: new Map(), // producerId → {consumer, peerId}
};
function setStatus(text) {
statusEl.textContent = text;
}
function addVideoTile(id, stream, label, isSelf = false) {
let box = document.getElementById(`tile-${id}`);
if (!box) {
box = document.createElement('div');
box.id = `tile-${id}`;
box.className = 'video-box' + (isSelf ? ' self' : '');
const v = document.createElement('video');
v.autoplay = true;
v.playsInline = true;
if (isSelf) v.muted = true;
v.srcObject = stream;
box.appendChild(v);
const lab = document.createElement('div');
lab.className = 'label';
lab.textContent = label;
box.appendChild(lab);
videosEl.appendChild(box);
} else {
const v = box.querySelector('video');
// 将新的 track 合并进已有 stream
for (const t of stream.getTracks()) {
if (!v.srcObject) v.srcObject = new MediaStream();
v.srcObject.addTrack(t);
}
}
}
function removeVideoTile(id) {
const box = document.getElementById(`tile-${id}`);
if (box) box.remove();
}
// ---------------- 关键流程 ----------------
async function join() {
btnJoin.disabled = true;
setStatus('connecting WS...');
const proto = location.protocol === 'https:' ? 'wss' : 'ws';
const signal = new SignalClient(`${proto}://${location.host}/ws`);
state.signal = signal;
signal.on('welcome', ({ peerId }) => {
state.myPeerId = peerId;
log(`WS connected as peer ${peerId.slice(0, 8)}`, 'ok');
});
signal.on('newProducer', async ({ peerId, producerId, kind }) => {
log(`remote producer: peer=${peerId.slice(0, 8)} kind=${kind}`, 'info');
await consumeRemote(peerId, producerId, kind);
});
signal.on('peerLeft', ({ peerId }) => {
log(`peer left: ${peerId.slice(0, 8)}`, 'info');
removeVideoTile(peerId);
// 清理该 peer 的 consumers
for (const [pid, entry] of state.consumers) {
if (entry.peerId === peerId) {
entry.consumer.close();
state.consumers.delete(pid);
}
}
});
signal.on('consumerClosed', ({ consumerId }) => {
for (const [pid, entry] of state.consumers) {
if (entry.consumer.id === consumerId) {
entry.consumer.close();
state.consumers.delete(pid);
}
}
});
signal.on('__close__', () => {
setStatus('disconnected');
log('WS closed', 'err');
});
await signal.connect();
// 1. Device
setStatus('loading device...');
const rtpCapabilities = await signal.request('getRtpCapabilities');
const device = new Device();
await device.load({ routerRtpCapabilities: rtpCapabilities });
state.device = device;
log('mediasoup Device loaded', 'ok');
// 2. getUserMedia
setStatus('requesting media...');
let localStream;
try {
localStream = await navigator.mediaDevices.getUserMedia({
audio: true,
video: { width: { ideal: 640 }, height: { ideal: 360 } },
});
} catch (e) {
log(`getUserMedia failed: ${e.message}`, 'err');
setStatus('media denied');
btnJoin.disabled = false;
return;
}
state.localStream = localStream;
addVideoTile('local', localStream, '本地(你自己)', true);
// 3. SendTransport
setStatus('creating send transport...');
const sendInfo = await signal.request('createTransport', { direction: 'send' });
const sendTransport = device.createSendTransport({
id: sendInfo.id,
iceParameters: sendInfo.iceParameters,
iceCandidates: sendInfo.iceCandidates,
dtlsParameters: sendInfo.dtlsParameters,
});
state.sendTransport = sendTransport;
sendTransport.on('connect', ({ dtlsParameters }, cb, errb) => {
signal
.request('connectTransport', { transportId: sendTransport.id, dtlsParameters })
.then(() => cb())
.catch(errb);
});
sendTransport.on('produce', ({ kind, rtpParameters }, cb, errb) => {
signal
.request('produce', { transportId: sendTransport.id, kind, rtpParameters })
.then(({ producerId }) => cb({ id: producerId }))
.catch(errb);
});
sendTransport.on('connectionstatechange', (s) => {
log(`sendTransport ICE: ${s}`, s === 'failed' ? 'err' : 'info');
});
// 4. produce audio + video
const audioTrack = localStream.getAudioTracks()[0];
const videoTrack = localStream.getVideoTracks()[0];
if (audioTrack) {
state.producers.audio = await sendTransport.produce({ track: audioTrack });
log(`local audio producer: ${state.producers.audio.id.slice(0, 8)}`, 'ok');
}
if (videoTrack) {
state.producers.video = await sendTransport.produce({
track: videoTrack,
encodings: [
{ maxBitrate: 150_000, scaleResolutionDownBy: 4 },
{ maxBitrate: 400_000, scaleResolutionDownBy: 2 },
{ maxBitrate: 1_000_000 },
],
codecOptions: { videoGoogleStartBitrate: 1000 },
});
log(`local video producer: ${state.producers.video.id.slice(0, 8)}`, 'ok');
}
// 5. RecvTransport
setStatus('creating recv transport...');
const recvInfo = await signal.request('createTransport', { direction: 'recv' });
const recvTransport = device.createRecvTransport({
id: recvInfo.id,
iceParameters: recvInfo.iceParameters,
iceCandidates: recvInfo.iceCandidates,
dtlsParameters: recvInfo.dtlsParameters,
});
state.recvTransport = recvTransport;
recvTransport.on('connect', ({ dtlsParameters }, cb, errb) => {
signal
.request('connectTransport', { transportId: recvTransport.id, dtlsParameters })
.then(() => cb())
.catch(errb);
});
recvTransport.on('connectionstatechange', (s) => {
log(`recvTransport ICE: ${s}`, s === 'failed' ? 'err' : 'info');
});
// 6. 拉取当前已在房间的其他 peers
const { items } = await signal.request('getPeers');
log(`existing remote producers: ${items.length}`, 'info');
for (const it of items) {
await consumeRemote(it.peerId, it.producerId, it.kind);
}
setStatus('in room');
btnLeave.disabled = false;
}
async function consumeRemote(peerId, producerId, kind) {
if (!state.recvTransport) return;
try {
const data = await state.signal.request('consume', {
transportId: state.recvTransport.id,
producerId,
rtpCapabilities: state.device.rtpCapabilities,
});
const consumer = await state.recvTransport.consume({
id: data.id,
producerId: data.producerId,
kind: data.kind,
rtpParameters: data.rtpParameters,
});
await state.signal.request('resumeConsumer', { consumerId: consumer.id });
state.consumers.set(producerId, { consumer, peerId });
const stream = new MediaStream([consumer.track]);
addVideoTile(peerId, stream, `远端 ${peerId.slice(0, 8)} · ${kind}`);
log(`consuming ${kind} from ${peerId.slice(0, 8)}`, 'ok');
consumer.on('transportclose', () => state.consumers.delete(producerId));
} catch (e) {
log(`consume failed: ${e.message}`, 'err');
}
}
async function leave() {
btnLeave.disabled = true;
setStatus('leaving...');
try {
for (const { consumer } of state.consumers.values()) consumer.close();
state.consumers.clear();
if (state.producers.audio) state.producers.audio.close();
if (state.producers.video) state.producers.video.close();
if (state.sendTransport) state.sendTransport.close();
if (state.recvTransport) state.recvTransport.close();
if (state.localStream) state.localStream.getTracks().forEach((t) => t.stop());
if (state.signal) state.signal.close();
} catch (e) {
log(`leave error: ${e.message}`, 'err');
}
videosEl.innerHTML = '';
setStatus('idle');
btnJoin.disabled = false;
}
btnJoin.addEventListener('click', () => {
join().catch((e) => {
log(`join error: ${e.message}`, 'err');
setStatus('error');
btnJoin.disabled = false;
});
});
btnLeave.addEventListener('click', () => leave());
log('PoC client ready. 点击「加入并推流」,授权摄像头/麦克风后可与其他窗口互通。', 'info');

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<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>EchoChat mediasoup PoC</title>
<style>
* { box-sizing: border-box; }
body {
margin: 0;
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
background: #0f172a;
color: #e2e8f0;
padding: 16px;
}
header {
display: flex;
justify-content: space-between;
align-items: center;
margin-bottom: 16px;
}
h1 { font-size: 18px; margin: 0; color: #fbbf24; }
.controls button {
background: #2563eb;
color: white;
border: none;
padding: 8px 16px;
margin-left: 8px;
border-radius: 6px;
cursor: pointer;
font-size: 14px;
}
.controls button:hover { background: #1d4ed8; }
.controls button:disabled { background: #475569; cursor: not-allowed; }
#log {
background: #1e293b;
padding: 8px 12px;
border-radius: 6px;
font-family: ui-monospace, SFMono-Regular, monospace;
font-size: 12px;
max-height: 140px;
overflow-y: auto;
margin-bottom: 16px;
}
#log div { line-height: 1.5; }
.log-info { color: #93c5fd; }
.log-ok { color: #86efac; }
.log-err { color: #fca5a5; }
#videos {
display: grid;
grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
gap: 12px;
}
.video-box {
position: relative;
background: #1e293b;
border-radius: 8px;
overflow: hidden;
aspect-ratio: 16 / 9;
}
.video-box video {
width: 100%;
height: 100%;
object-fit: cover;
}
.video-box .label {
position: absolute;
bottom: 8px;
left: 8px;
background: rgba(0,0,0,0.6);
padding: 4px 10px;
border-radius: 4px;
font-size: 12px;
}
.self { outline: 2px solid #f59e0b; }
</style>
</head>
<body>
<header>
<h1>EchoChat mediasoup PoCPhase 2e-2 Task 0</h1>
<div class="controls">
<span id="status" style="margin-right:12px; color:#94a3b8;">idle</span>
<button id="btnJoin">加入并推流</button>
<button id="btnLeave" disabled>离开</button>
</div>
</header>
<div id="log"></div>
<div id="videos"></div>
<script type="module" src="./client.mjs"></script>
</body>
</html>

348
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// Phase 2e-2 Task 0: mediasoup PoC Server
// 架构Fastify 提供静态资源 + WS 信令 + mediasoup 单 Worker 单 Router
// 仅用于验证技术栈PoC 结束后可删除或演化为正式 media-server
import Fastify from 'fastify';
import fastifyStatic from '@fastify/static';
import fastifyWebsocket from '@fastify/websocket';
import * as mediasoup from 'mediasoup';
import pino from 'pino';
import path from 'node:path';
import { fileURLToPath } from 'node:url';
import { randomUUID } from 'node:crypto';
import os from 'node:os';
const __dirname = path.dirname(fileURLToPath(import.meta.url));
const logger = pino({
transport: {
target: 'pino-pretty',
options: { colorize: true, translateTime: 'SYS:HH:MM:ss.l' },
},
});
// ---------------- Config ----------------
const HTTP_PORT = Number(process.env.HTTP_PORT ?? 3300);
const LISTEN_IP = process.env.MEDIASOUP_LISTEN_IP ?? '0.0.0.0';
const ANNOUNCED_IP = process.env.MEDIASOUP_ANNOUNCED_IP ?? ''; // 本机留空走 iceCandidates 自动
const RTC_MIN_PORT = Number(process.env.MEDIASOUP_RTC_MIN_PORT ?? 40000);
const RTC_MAX_PORT = Number(process.env.MEDIASOUP_RTC_MAX_PORT ?? 40099);
// 媒体编解码Router 创建时注入)
const mediaCodecs = [
{
kind: 'audio',
mimeType: 'audio/opus',
clockRate: 48000,
channels: 2,
},
{
kind: 'video',
mimeType: 'video/VP8',
clockRate: 90000,
parameters: { 'x-google-start-bitrate': 1000 },
},
{
kind: 'video',
mimeType: 'video/H264',
clockRate: 90000,
parameters: {
'packetization-mode': 1,
'profile-level-id': '42e01f',
'level-asymmetry-allowed': 1,
},
},
];
// ---------------- Mediasoup 全局资源 ----------------
let worker;
let router;
// peerspeerId → { ws, transports: Map, producers: Map, consumers: Map }
const peers = new Map();
async function initMediasoup() {
worker = await mediasoup.createWorker({
rtcMinPort: RTC_MIN_PORT,
rtcMaxPort: RTC_MAX_PORT,
logLevel: 'warn',
});
worker.on('died', (err) => {
logger.error({ err }, 'mediasoup worker died, exiting');
process.exit(1);
});
router = await worker.createRouter({ mediaCodecs });
logger.info(
{
workerPid: worker.pid,
routerId: router.id,
rtcPortRange: `${RTC_MIN_PORT}-${RTC_MAX_PORT}`,
listenIp: LISTEN_IP,
announcedIp: ANNOUNCED_IP || '(unset, use local LAN ip)',
},
'mediasoup worker + router ready',
);
}
// ---------------- Transport 创建辅助 ----------------
async function createWebRtcTransport() {
const listenIps = [{ ip: LISTEN_IP, announcedIp: ANNOUNCED_IP || undefined }];
const transport = await router.createWebRtcTransport({
listenIps,
enableUdp: true,
enableTcp: true,
preferUdp: true,
initialAvailableOutgoingBitrate: 1_000_000,
});
return transport;
}
// ---------------- WS 信令 ----------------
function send(ws, type, data = {}, reqId) {
if (ws.readyState !== 1) return;
const msg = { type, data };
if (reqId) msg.reqId = reqId;
ws.send(JSON.stringify(msg));
}
function broadcast(excludeId, type, data) {
for (const [pid, peer] of peers) {
if (pid === excludeId) continue;
send(peer.ws, type, data);
}
}
async function handleMessage(peerId, peer, raw) {
let msg;
try {
msg = JSON.parse(raw);
} catch {
logger.warn({ peerId, raw: String(raw).slice(0, 80) }, 'invalid json');
return;
}
const { type, data = {}, reqId } = msg;
try {
switch (type) {
case 'getRtpCapabilities': {
send(peer.ws, 'rtpCapabilities', router.rtpCapabilities, reqId);
break;
}
case 'createTransport': {
const transport = await createWebRtcTransport();
peer.transports.set(transport.id, transport);
send(
peer.ws,
'transportCreated',
{
direction: data.direction,
id: transport.id,
iceParameters: transport.iceParameters,
iceCandidates: transport.iceCandidates,
dtlsParameters: transport.dtlsParameters,
},
reqId,
);
break;
}
case 'connectTransport': {
const { transportId, dtlsParameters } = data;
const transport = peer.transports.get(transportId);
if (!transport) throw new Error(`transport ${transportId} not found`);
await transport.connect({ dtlsParameters });
send(peer.ws, 'transportConnected', { transportId }, reqId);
break;
}
case 'produce': {
const { transportId, kind, rtpParameters } = data;
const transport = peer.transports.get(transportId);
if (!transport) throw new Error(`transport ${transportId} not found`);
const producer = await transport.produce({ kind, rtpParameters });
peer.producers.set(producer.id, producer);
producer.on('transportclose', () => {
peer.producers.delete(producer.id);
});
send(peer.ws, 'produced', { producerId: producer.id, kind }, reqId);
// 广播给其他 peer
broadcast(peerId, 'newProducer', {
peerId,
producerId: producer.id,
kind,
});
logger.info({ peerId, producerId: producer.id, kind }, 'peer produced');
break;
}
case 'consume': {
const { transportId, producerId, rtpCapabilities } = data;
const transport = peer.transports.get(transportId);
if (!transport) throw new Error(`transport ${transportId} not found`);
if (!router.canConsume({ producerId, rtpCapabilities })) {
throw new Error(`router cannot consume producer ${producerId}`);
}
const consumer = await transport.consume({
producerId,
rtpCapabilities,
paused: true, // 先暂停,客户端确认后再 resume
});
peer.consumers.set(consumer.id, consumer);
consumer.on('transportclose', () => {
peer.consumers.delete(consumer.id);
});
consumer.on('producerclose', () => {
peer.consumers.delete(consumer.id);
send(peer.ws, 'consumerClosed', { consumerId: consumer.id });
});
send(
peer.ws,
'consumed',
{
id: consumer.id,
producerId,
kind: consumer.kind,
rtpParameters: consumer.rtpParameters,
},
reqId,
);
break;
}
case 'resumeConsumer': {
const { consumerId } = data;
const consumer = peer.consumers.get(consumerId);
if (!consumer) throw new Error(`consumer ${consumerId} not found`);
await consumer.resume();
send(peer.ws, 'consumerResumed', { consumerId }, reqId);
break;
}
case 'getPeers': {
// 返回当前其他 peers 正在 produce 的 producerId 列表
const others = [];
for (const [pid, p] of peers) {
if (pid === peerId) continue;
for (const producer of p.producers.values()) {
others.push({ peerId: pid, producerId: producer.id, kind: producer.kind });
}
}
send(peer.ws, 'peers', { items: others }, reqId);
break;
}
default:
send(peer.ws, 'error', { message: `unknown type: ${type}` }, reqId);
}
} catch (err) {
logger.error({ peerId, type, err: err.message }, 'handle message failed');
send(peer.ws, 'error', { message: err.message }, reqId);
}
}
function cleanupPeer(peerId) {
const peer = peers.get(peerId);
if (!peer) return;
for (const p of peer.producers.values()) p.close();
for (const c of peer.consumers.values()) c.close();
for (const t of peer.transports.values()) t.close();
peers.delete(peerId);
broadcast(peerId, 'peerLeft', { peerId });
logger.info(
{
peerId,
remaining: peers.size,
routerStats: { producers: [...peers.values()].reduce((n, p) => n + p.producers.size, 0) },
},
'peer cleaned up',
);
}
// ---------------- Fastify 启动 ----------------
async function main() {
await initMediasoup();
const app = Fastify({ logger: false });
await app.register(fastifyWebsocket);
await app.register(fastifyStatic, {
root: path.join(__dirname, 'public'),
prefix: '/',
});
app.get('/healthz', async () => ({
ok: true,
workerPid: worker.pid,
routerId: router.id,
peers: peers.size,
}));
app.get('/stats', async () => {
// 基础压测观测peer 数 + producer/consumer 总数 + 内存
let totalProducers = 0;
let totalConsumers = 0;
let totalTransports = 0;
for (const p of peers.values()) {
totalProducers += p.producers.size;
totalConsumers += p.consumers.size;
totalTransports += p.transports.size;
}
const mem = process.memoryUsage();
return {
peers: peers.size,
transports: totalTransports,
producers: totalProducers,
consumers: totalConsumers,
memoryMB: {
rss: Math.round(mem.rss / 1024 / 1024),
heapUsed: Math.round(mem.heapUsed / 1024 / 1024),
},
loadavg: os.loadavg(),
uptime: Math.round(process.uptime()),
};
});
app.register(async function (f) {
f.get('/ws', { websocket: true }, (socket, req) => {
const peerId = randomUUID();
const peer = {
ws: socket,
transports: new Map(),
producers: new Map(),
consumers: new Map(),
};
peers.set(peerId, peer);
logger.info({ peerId, total: peers.size, ua: req.headers['user-agent'] }, 'peer connected');
send(socket, 'welcome', { peerId });
socket.on('message', (raw) => {
handleMessage(peerId, peer, raw.toString());
});
socket.on('close', () => {
logger.info({ peerId }, 'ws closed');
cleanupPeer(peerId);
});
socket.on('error', (err) => {
logger.warn({ peerId, err: err.message }, 'ws error');
});
});
});
await app.listen({ port: HTTP_PORT, host: '0.0.0.0' });
logger.info(`PoC ready: http://localhost:${HTTP_PORT} (open in 2 browser windows)`);
}
main().catch((err) => {
logger.error({ err }, 'poc server failed to start');
process.exit(1);
});

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import * as mediasoup from 'mediasoup';
import sensible from '@fastify/sensible';
import Fastify from 'fastify';
import { config } from './config.js';
import { registerErrorHandler } from './middlewares/error-handler.js';
import { internalAuthPlugin } from './middlewares/internal-auth.js';
import { closeWorker, getWorkerSnapshot, startWorker } from './mediasoup/worker.js';
import { consumerRoutes } from './routes/consumer.route.js';
import { producerRoutes } from './routes/producer.route.js';
import { routerRoutes } from './routes/router.route.js';
import { transportRoutes } from './routes/transport.route.js';
import { logger } from './utils/logger.js';
export async function buildApp() {
const app = Fastify({
loggerInstance: logger,
disableRequestLogging: false,
trustProxy: false,
bodyLimit: 256 * 1024,
});
await app.register(sensible);
registerErrorHandler(app);
app.get('/healthz', async () => {
const snapshot = getWorkerSnapshot();
return {
ok: snapshot.ready,
service: 'media-server',
mediasoupVersion: mediasoup.version,
workerPid: snapshot.pid,
workerRestartAttempts: snapshot.restartAttempts,
uptimeSec: Math.round(process.uptime()),
timestamp: new Date().toISOString(),
};
});
app.get('/readyz', async (_request, reply) => {
const snapshot = getWorkerSnapshot();
if (!snapshot.ready) {
reply.code(503);
return {
ready: false,
reason: 'mediasoup worker not ready',
};
}
return { ready: true };
});
await app.register(internalAuthPlugin);
app.get('/internal/info', async () => {
const snapshot = getWorkerSnapshot();
return {
service: 'media-server',
version: '0.1.0',
mediasoupVersion: mediasoup.version,
worker: snapshot,
listen: {
ip: config.mediasoup.listenIp,
announcedIp: config.mediasoup.announcedIp ?? null,
rtcMinPort: config.mediasoup.rtcMinPort,
rtcMaxPort: config.mediasoup.rtcMaxPort,
},
};
});
await app.register(
async (scope) => {
await scope.register(routerRoutes);
await scope.register(transportRoutes);
await scope.register(producerRoutes);
await scope.register(consumerRoutes);
},
{ prefix: '/internal/v1' },
);
return app;
}
async function bootstrap(): Promise<void> {
const app = await buildApp();
try {
await startWorker();
} catch (err) {
logger.fatal(
{ err: err instanceof Error ? err.message : String(err) },
'failed to start mediasoup worker, exiting',
);
process.exit(1);
}
try {
await app.listen({ host: config.http.host, port: config.http.port });
logger.info(
{
host: config.http.host,
port: config.http.port,
env: config.nodeEnv,
},
'media-server listening',
);
} catch (err) {
logger.fatal(
{ err: err instanceof Error ? err.message : String(err) },
'failed to start HTTP server',
);
process.exit(1);
}
const shutdown = async (signal: string): Promise<void> => {
logger.info({ signal }, 'received shutdown signal');
try {
await app.close();
} catch (err) {
logger.warn(
{ err: err instanceof Error ? err.message : String(err) },
'error while closing fastify',
);
}
await closeWorker();
process.exit(0);
};
process.on('SIGINT', () => void shutdown('SIGINT'));
process.on('SIGTERM', () => void shutdown('SIGTERM'));
process.on('unhandledRejection', (reason) => {
logger.error({ reason }, 'unhandled promise rejection');
});
process.on('uncaughtException', (err) => {
logger.fatal({ err: err.message, stack: err.stack }, 'uncaught exception');
process.exit(1);
});
}
const isEntryPoint =
import.meta.url === `file://${process.argv[1]}` ||
process.argv[1]?.endsWith('app.ts') ||
process.argv[1]?.endsWith('app.js');
if (isEntryPoint) {
void bootstrap();
}

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import { existsSync, readFileSync } from 'node:fs';
import { resolve } from 'node:path';
import { z } from 'zod';
function loadDotEnv(): void {
const envPath = resolve(process.cwd(), '.env');
if (!existsSync(envPath)) {
return;
}
const raw = readFileSync(envPath, 'utf-8');
for (const line of raw.split(/\r?\n/)) {
const trimmed = line.trim();
if (!trimmed || trimmed.startsWith('#')) {
continue;
}
const eq = trimmed.indexOf('=');
if (eq <= 0) {
continue;
}
const key = trimmed.slice(0, eq).trim();
let value = trimmed.slice(eq + 1).trim();
if (
(value.startsWith('"') && value.endsWith('"')) ||
(value.startsWith("'") && value.endsWith("'"))
) {
value = value.slice(1, -1);
}
if (process.env[key] === undefined) {
process.env[key] = value;
}
}
}
loadDotEnv();
const booleanSchema = z
.union([z.string(), z.boolean()])
.transform((val) => {
if (typeof val === 'boolean') return val;
const lowered = val.toLowerCase();
return lowered === '1' || lowered === 'true' || lowered === 'yes' || lowered === 'on';
});
const envSchema = z
.object({
NODE_ENV: z.enum(['development', 'production', 'test']).default('development'),
HTTP_HOST: z.string().min(1).default('0.0.0.0'),
HTTP_PORT: z.coerce.number().int().min(1).max(65535).default(3300),
LOG_LEVEL: z
.enum(['trace', 'debug', 'info', 'warn', 'error', 'fatal', 'silent'])
.default('info'),
LOG_PRETTY: booleanSchema.default('true'),
MEDIA_INTERNAL_TOKEN: z
.string()
.min(8, 'MEDIA_INTERNAL_TOKEN must be at least 8 characters'),
MEDIASOUP_LISTEN_IP: z.string().min(1).default('0.0.0.0'),
MEDIASOUP_ANNOUNCED_IP: z
.string()
.optional()
.transform((v) => (v && v.trim() !== '' ? v.trim() : undefined)),
MEDIASOUP_RTC_MIN_PORT: z.coerce.number().int().min(1024).max(65535).default(40000),
MEDIASOUP_RTC_MAX_PORT: z.coerce.number().int().min(1024).max(65535).default(40199),
MEDIASOUP_WORKER_LOG_LEVEL: z
.enum(['debug', 'warn', 'error', 'none'])
.default('warn'),
MEDIASOUP_MAX_ROUTERS: z.coerce.number().int().min(1).default(200),
})
.superRefine((data, ctx) => {
if (data.MEDIASOUP_RTC_MIN_PORT >= data.MEDIASOUP_RTC_MAX_PORT) {
ctx.addIssue({
code: z.ZodIssueCode.custom,
path: ['MEDIASOUP_RTC_MAX_PORT'],
message: 'MEDIASOUP_RTC_MAX_PORT must be greater than MEDIASOUP_RTC_MIN_PORT',
});
}
});
function parseEnv() {
const parsed = envSchema.safeParse(process.env);
if (!parsed.success) {
const issues = parsed.error.issues
.map((issue) => ` - ${issue.path.join('.')}: ${issue.message}`)
.join('\n');
// eslint-disable-next-line no-console
console.error(`[media-server] Invalid environment configuration:\n${issues}`);
process.exit(1);
}
return parsed.data;
}
const env = parseEnv();
export const config = {
nodeEnv: env.NODE_ENV,
isProduction: env.NODE_ENV === 'production',
http: {
host: env.HTTP_HOST,
port: env.HTTP_PORT,
},
logLevel: env.LOG_LEVEL,
logPretty: env.LOG_PRETTY,
internalToken: env.MEDIA_INTERNAL_TOKEN,
mediasoup: {
listenIp: env.MEDIASOUP_LISTEN_IP,
announcedIp: env.MEDIASOUP_ANNOUNCED_IP,
rtcMinPort: env.MEDIASOUP_RTC_MIN_PORT,
rtcMaxPort: env.MEDIASOUP_RTC_MAX_PORT,
workerLogLevel: env.MEDIASOUP_WORKER_LOG_LEVEL,
maxRouters: env.MEDIASOUP_MAX_ROUTERS,
},
} as const;
export type AppConfig = typeof config;

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import type { RouterRtpCodecCapability } from 'mediasoup/types';
export const MEDIA_CODECS: RouterRtpCodecCapability[] = [
{
kind: 'audio',
mimeType: 'audio/opus',
clockRate: 48000,
channels: 2,
parameters: {
useinbandfec: 1,
usedtx: 1,
},
},
{
kind: 'video',
mimeType: 'video/VP8',
clockRate: 90000,
parameters: {
'x-google-start-bitrate': 1000,
},
},
{
kind: 'video',
mimeType: 'video/H264',
clockRate: 90000,
parameters: {
'packetization-mode': 1,
'profile-level-id': '42e01f',
'level-asymmetry-allowed': 1,
'x-google-start-bitrate': 1000,
},
},
];

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import * as mediasoup from 'mediasoup';
import type { Worker, WorkerLogLevel } from 'mediasoup/types';
import { config } from '../config.js';
import { childLogger } from '../utils/logger.js';
const log = childLogger({ module: 'mediasoup.worker' });
interface WorkerState {
worker: Worker | null;
starting: Promise<Worker> | null;
restartTimer: NodeJS.Timeout | null;
restartAttempts: number;
}
const state: WorkerState = {
worker: null,
starting: null,
restartTimer: null,
restartAttempts: 0,
};
const MAX_RESTART_BACKOFF_MS = 30_000;
async function spawnWorker(): Promise<Worker> {
const worker = await mediasoup.createWorker({
logLevel: config.mediasoup.workerLogLevel as WorkerLogLevel,
rtcMinPort: config.mediasoup.rtcMinPort,
rtcMaxPort: config.mediasoup.rtcMaxPort,
});
log.info(
{
pid: worker.pid,
rtcMinPort: config.mediasoup.rtcMinPort,
rtcMaxPort: config.mediasoup.rtcMaxPort,
},
'mediasoup worker started',
);
worker.on('died', (error) => {
log.error(
{ pid: worker.pid, err: error instanceof Error ? error.message : String(error) },
'mediasoup worker died, scheduling restart',
);
state.worker = null;
scheduleRestart();
});
return worker;
}
function scheduleRestart(): void {
if (state.restartTimer) {
return;
}
state.restartAttempts += 1;
const delay = Math.min(1_000 * 2 ** (state.restartAttempts - 1), MAX_RESTART_BACKOFF_MS);
log.warn({ attempt: state.restartAttempts, delayMs: delay }, 'scheduling worker restart');
state.restartTimer = setTimeout(() => {
state.restartTimer = null;
startWorker().catch((err) => {
log.error(
{ err: err instanceof Error ? err.message : String(err) },
'worker restart failed, will retry',
);
scheduleRestart();
});
}, delay);
}
export async function startWorker(): Promise<Worker> {
if (state.worker) {
return state.worker;
}
if (state.starting) {
return state.starting;
}
state.starting = spawnWorker()
.then((worker) => {
state.worker = worker;
state.starting = null;
state.restartAttempts = 0;
return worker;
})
.catch((err) => {
state.starting = null;
throw err;
});
return state.starting;
}
export function getWorker(): Worker {
if (!state.worker) {
throw new Error('mediasoup worker is not ready');
}
return state.worker;
}
export function getWorkerSnapshot(): {
ready: boolean;
pid: number | null;
restartAttempts: number;
} {
return {
ready: state.worker !== null,
pid: state.worker?.pid ?? null,
restartAttempts: state.restartAttempts,
};
}
export async function closeWorker(): Promise<void> {
if (state.restartTimer) {
clearTimeout(state.restartTimer);
state.restartTimer = null;
}
if (state.worker) {
const w = state.worker;
state.worker = null;
try {
w.close();
log.info({ pid: w.pid }, 'mediasoup worker closed');
} catch (err) {
log.warn(
{ err: err instanceof Error ? err.message : String(err) },
'error while closing worker',
);
}
}
}

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import type { FastifyError, FastifyReply, FastifyRequest } from 'fastify';
import { ZodError } from 'zod';
import { AppError } from '../utils/errors.js';
interface ErrorHandlerHost {
setErrorHandler(
handler: (error: FastifyError | Error, request: FastifyRequest, reply: FastifyReply) => unknown,
): unknown;
}
export function registerErrorHandler(app: ErrorHandlerHost): void {
app.setErrorHandler((error: FastifyError | Error, request: FastifyRequest, reply: FastifyReply) => {
if (error instanceof ZodError) {
const fieldErrors = error.issues.map((issue) => ({
path: issue.path.join('.') || '(root)',
code: issue.code,
message: issue.message,
}));
request.log.warn({ fieldErrors, path: request.url }, 'request validation failed');
return reply.code(400).send({
code: 'VALIDATION_ERROR',
message: 'invalid request payload',
fieldErrors,
});
}
if (error instanceof AppError) {
request.log.warn(
{ appCode: error.code, details: error.details, path: request.url },
error.message,
);
return reply.code(error.statusCode).send(error.toJSON());
}
const fe = error as FastifyError;
if (fe.statusCode && fe.statusCode >= 400 && fe.statusCode < 500) {
request.log.warn({ err: fe.message, statusCode: fe.statusCode }, 'client error');
return reply.code(fe.statusCode).send({
code: fe.code ?? 'BAD_REQUEST',
message: fe.message,
});
}
request.log.error(
{
err: error.message,
stack: error.stack,
path: request.url,
},
'unhandled error in request',
);
return reply.code(500).send({
code: 'INTERNAL_ERROR',
message: 'internal server error',
});
});
}

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import { timingSafeEqual } from 'node:crypto';
import type { FastifyReply, FastifyRequest } from 'fastify';
import fp from 'fastify-plugin';
import { config } from '../config.js';
const INTERNAL_TOKEN_HEADER = 'x-internal-token';
/**
* 反向白名单:只有命中 PRIVATE_PATH_PREFIXES 的请求才需要校验 internal token。
* 其余路径(/healthz / /readyz / 未来的 /metrics / /docs 等)默认开放,
* 避免新增公共端点时漏加白名单导致 CI/监控被 401。
*/
const PRIVATE_PATH_PREFIXES = ['/internal/'];
function isPrivatePath(url: string): boolean {
return PRIVATE_PATH_PREFIXES.some((prefix) => url === prefix.slice(0, -1) || url.startsWith(prefix));
}
function safeEqual(a: string, b: string): boolean {
const aBuf = Buffer.from(a, 'utf-8');
const bBuf = Buffer.from(b, 'utf-8');
if (aBuf.length !== bBuf.length) {
return false;
}
return timingSafeEqual(aBuf, bBuf);
}
async function internalAuthHook(request: FastifyRequest, reply: FastifyReply): Promise<void> {
if (!isPrivatePath(request.url)) {
return;
}
const rawHeader = request.headers[INTERNAL_TOKEN_HEADER];
const token = Array.isArray(rawHeader) ? rawHeader[0] : rawHeader;
if (!token || !safeEqual(token, config.internalToken)) {
request.log.warn(
{ path: request.url, method: request.method, hasToken: Boolean(token) },
'internal auth rejected',
);
reply.code(401).send({
code: 'UNAUTHORIZED',
message: 'missing or invalid X-Internal-Token',
});
}
}
export const internalAuthPlugin = fp(
async (fastify) => {
fastify.addHook('onRequest', internalAuthHook);
},
{
name: 'internal-auth',
},
);

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import type { FastifyInstance } from 'fastify';
import type { RtpCapabilities } from 'mediasoup/types';
import { consumerIdParamSchema, createConsumerBodySchema } from '../schemas/consumer.schema.js';
import { closeConsumer, createConsumer, resumeConsumer } from '../services/consumer.service.js';
export async function consumerRoutes(app: FastifyInstance): Promise<void> {
app.post('/consumers', async (request, reply) => {
const body = createConsumerBodySchema.parse(request.body);
const result = await createConsumer({
routerId: body.routerId,
transportId: body.transportId,
producerId: body.producerId,
rtpCapabilities: body.rtpCapabilities as RtpCapabilities,
});
reply.code(201);
return result;
});
app.post('/consumers/:id/resume', async (request) => {
const { id } = consumerIdParamSchema.parse(request.params);
await resumeConsumer(id);
return { ok: true as const };
});
app.delete('/consumers/:id', async (request) => {
const { id } = consumerIdParamSchema.parse(request.params);
await closeConsumer(id);
return { ok: true as const };
});
}

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import type { FastifyInstance } from 'fastify';
import type { RtpParameters } from 'mediasoup/types';
import { createProducerBodySchema, producerIdParamSchema } from '../schemas/producer.schema.js';
import { closeProducer, createProducer } from '../services/producer.service.js';
export async function producerRoutes(app: FastifyInstance): Promise<void> {
app.post('/producers', async (request, reply) => {
const body = createProducerBodySchema.parse(request.body);
const result = await createProducer({
transportId: body.transportId,
kind: body.kind,
rtpParameters: body.rtpParameters as RtpParameters,
appData: body.appData,
});
reply.code(201);
return result;
});
app.delete('/producers/:id', async (request) => {
const { id } = producerIdParamSchema.parse(request.params);
await closeProducer(id);
return { ok: true as const };
});
}

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import type { FastifyInstance } from 'fastify';
import { createRouterBodySchema, routerIdParamSchema } from '../schemas/router.schema.js';
import { closeRouter, createRouter } from '../services/router.service.js';
export async function routerRoutes(app: FastifyInstance): Promise<void> {
app.post('/routers', async (request, reply) => {
const { roomCode } = createRouterBodySchema.parse(request.body);
const result = await createRouter(roomCode);
reply.code(201);
return result;
});
app.delete('/routers/:routerId', async (request) => {
const { routerId } = routerIdParamSchema.parse(request.params);
await closeRouter(routerId);
return { ok: true as const };
});
}

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import type { FastifyInstance } from 'fastify';
import {
connectTransportBodySchema,
createTransportBodySchema,
transportIdParamSchema,
} from '../schemas/transport.schema.js';
import { connectTransport, createWebRtcTransport } from '../services/transport.service.js';
export async function transportRoutes(app: FastifyInstance): Promise<void> {
app.post('/transports', async (request, reply) => {
const body = createTransportBodySchema.parse(request.body);
const result = await createWebRtcTransport({
routerId: body.routerId,
userId: body.userId,
direction: body.direction,
});
reply.code(201);
return result;
});
app.post('/transports/:id/connect', async (request) => {
const { id } = transportIdParamSchema.parse(request.params);
const { dtlsParameters } = connectTransportBodySchema.parse(request.body);
await connectTransport({ transportId: id, dtlsParameters });
return { ok: true as const };
});
}

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import { z } from 'zod';
export const idStringSchema = z
.string()
.min(1)
.max(128)
.regex(/^[A-Za-z0-9:_-]+$/u, 'id must match [A-Za-z0-9:_-]+');
export const roomCodeSchema = z
.string()
.min(3)
.max(64)
.regex(/^[A-Z0-9-]+$/u, 'roomCode must match [A-Z0-9-]+ (uppercased)');
export const userIdSchema = z
.union([z.string().min(1).max(64), z.number().int().positive()])
.transform((val) => String(val));
export const okResponseSchema = z.object({
ok: z.literal(true),
});
export type OkResponse = z.infer<typeof okResponseSchema>;

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import { z } from 'zod';
import { idStringSchema } from './common.js';
import { rtpCapabilitiesSchema } from './rtp.js';
export const createConsumerBodySchema = z.object({
routerId: idStringSchema,
transportId: idStringSchema,
producerId: idStringSchema,
rtpCapabilities: rtpCapabilitiesSchema,
});
export const consumerIdParamSchema = z.object({
id: idStringSchema,
});
export type CreateConsumerBody = z.infer<typeof createConsumerBodySchema>;
export type ConsumerIdParam = z.infer<typeof consumerIdParamSchema>;

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import { z } from 'zod';
import { idStringSchema } from './common.js';
import { rtpParametersSchema } from './rtp.js';
export const mediaKindSchema = z.enum(['audio', 'video']);
export const createProducerBodySchema = z.object({
transportId: idStringSchema,
kind: mediaKindSchema,
rtpParameters: rtpParametersSchema,
appData: z.record(z.string(), z.unknown()).optional(),
});
export const producerIdParamSchema = z.object({
id: idStringSchema,
});
export type CreateProducerBody = z.infer<typeof createProducerBodySchema>;
export type ProducerIdParam = z.infer<typeof producerIdParamSchema>;
export type MediaKind = z.infer<typeof mediaKindSchema>;

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import { z } from 'zod';
import { idStringSchema, roomCodeSchema } from './common.js';
export const createRouterBodySchema = z.object({
roomCode: roomCodeSchema,
});
export const routerIdParamSchema = z.object({
routerId: idStringSchema,
});
export type CreateRouterBody = z.infer<typeof createRouterBodySchema>;
export type RouterIdParam = z.infer<typeof routerIdParamSchema>;

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import { z } from 'zod';
/**
* 对 mediasoup 的 RtpParameters / RtpCapabilities 做"浅层存在性校验"。
*
* 不校验完整结构(交给 mediasoup native 层做严格校验),但至少保证:
* - 必填字段存在
* - codecs 至少 1 项
* - 客户端传入 {} / null / 空数组 等明显错误 → 返回 400 VALIDATION_ERROR
*
* 通过 .passthrough() 保留未知字段向后兼容。
*/
const rtcpFeedbackSchema = z
.object({
type: z.string(),
parameter: z.string().optional(),
})
.passthrough();
const baseCodecSchema = z
.object({
mimeType: z.string().min(1),
clockRate: z.number().int().positive(),
channels: z.number().int().positive().optional(),
parameters: z.record(z.string(), z.unknown()).optional(),
rtcpFeedback: z.array(rtcpFeedbackSchema).optional(),
})
.passthrough();
const rtpParametersCodecSchema = baseCodecSchema.extend({
payloadType: z.number().int().min(0).max(255),
});
const rtpCapabilitiesCodecSchema = baseCodecSchema.extend({
kind: z.enum(['audio', 'video']).optional(),
preferredPayloadType: z.number().int().min(0).max(255).optional(),
});
const rtpHeaderExtensionParameterSchema = z
.object({
uri: z.string().min(1),
id: z.number().int().min(0),
encrypt: z.boolean().optional(),
parameters: z.record(z.string(), z.unknown()).optional(),
})
.passthrough();
const rtpEncodingParametersSchema = z
.object({
ssrc: z.number().int().nonnegative().optional(),
rid: z.string().optional(),
scalabilityMode: z.string().optional(),
maxBitrate: z.number().int().nonnegative().optional(),
})
.passthrough();
export const rtpParametersSchema = z
.object({
mid: z.string().optional(),
codecs: z.array(rtpParametersCodecSchema).min(1, 'rtpParameters.codecs must not be empty'),
headerExtensions: z.array(rtpHeaderExtensionParameterSchema).optional(),
encodings: z.array(rtpEncodingParametersSchema).optional(),
rtcp: z
.object({
cname: z.string().optional(),
reducedSize: z.boolean().optional(),
})
.passthrough()
.optional(),
})
.passthrough();
export const rtpCapabilitiesSchema = z
.object({
codecs: z
.array(rtpCapabilitiesCodecSchema)
.min(1, 'rtpCapabilities.codecs must not be empty'),
headerExtensions: z.array(z.unknown()).optional(),
})
.passthrough();
export type RtpParametersInput = z.infer<typeof rtpParametersSchema>;
export type RtpCapabilitiesInput = z.infer<typeof rtpCapabilitiesSchema>;

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import { z } from 'zod';
import { idStringSchema, userIdSchema } from './common.js';
export const transportDirectionSchema = z.enum(['send', 'recv']);
export const createTransportBodySchema = z.object({
routerId: idStringSchema,
userId: userIdSchema,
direction: transportDirectionSchema,
});
export const transportIdParamSchema = z.object({
id: idStringSchema,
});
const dtlsFingerprintSchema = z.object({
algorithm: z.enum([
'sha-1',
'sha-224',
'sha-256',
'sha-384',
'sha-512',
]),
value: z.string().min(1),
});
const dtlsParametersSchema = z.object({
role: z.enum(['auto', 'client', 'server']).optional(),
fingerprints: z.array(dtlsFingerprintSchema).min(1),
});
export const connectTransportBodySchema = z.object({
dtlsParameters: dtlsParametersSchema,
});
export type CreateTransportBody = z.infer<typeof createTransportBodySchema>;
export type TransportIdParam = z.infer<typeof transportIdParamSchema>;
export type ConnectTransportBody = z.infer<typeof connectTransportBodySchema>;
export type TransportDirection = z.infer<typeof transportDirectionSchema>;

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import type { Consumer, MediaKind, RtpCapabilities, RtpParameters } from 'mediasoup/types';
import { AppError, notFound } from '../utils/errors.js';
import { childLogger } from '../utils/logger.js';
import { assertTestOnly } from '../utils/test-guard.js';
// 注getProducer 仍然保留,既用于 notFound 语义(消费不存在的 producer 直接返回 404
// 也用于后续 Phase 2e-3 需要预读 producer.appData 做资格校验
import { getProducer } from './producer.service.js';
import { getRouter } from './router.service.js';
import { getTransportEntry } from './transport.service.js';
const log = childLogger({ module: 'services.consumer' });
interface ConsumerEntry {
consumer: Consumer;
transportId: string;
producerId: string;
routerId: string;
userId: string;
createdAt: number;
}
const consumerMap = new Map<string, ConsumerEntry>();
export interface CreatedConsumerInfo {
id: string;
kind: MediaKind;
rtpParameters: RtpParameters;
producerPaused: boolean;
}
export async function createConsumer(params: {
routerId: string;
transportId: string;
producerId: string;
rtpCapabilities: RtpCapabilities;
}): Promise<CreatedConsumerInfo> {
const router = getRouter(params.routerId);
// 预检 producer 存在性;后续不再读 producer.paused改用 consumer.producerPaused 更符合 mediasoup 语义
getProducer(params.producerId);
const transportEntry = getTransportEntry(params.transportId);
if (transportEntry.direction !== 'recv') {
throw new AppError(
'CONFLICT',
`transport ${params.transportId} is not a recv transport (direction=${transportEntry.direction})`,
{ transportId: params.transportId, direction: transportEntry.direction },
);
}
if (!router.canConsume({ producerId: params.producerId, rtpCapabilities: params.rtpCapabilities })) {
throw new AppError(
'CAN_NOT_CONSUME',
`router cannot consume producer ${params.producerId} with given rtpCapabilities`,
{ routerId: params.routerId, producerId: params.producerId },
);
}
try {
const consumer = await transportEntry.transport.consume({
producerId: params.producerId,
rtpCapabilities: params.rtpCapabilities,
paused: true,
});
consumer.observer.once('close', () => {
consumerMap.delete(consumer.id);
log.info(
{ consumerId: consumer.id, transportId: params.transportId },
'consumer closed and removed from map',
);
});
consumer.once('producerclose', () => {
log.info({ consumerId: consumer.id }, 'upstream producer closed, closing consumer');
consumer.close();
});
consumerMap.set(consumer.id, {
consumer,
transportId: params.transportId,
producerId: params.producerId,
routerId: params.routerId,
userId: transportEntry.userId,
createdAt: Date.now(),
});
log.info(
{
consumerId: consumer.id,
transportId: params.transportId,
producerId: params.producerId,
kind: consumer.kind,
},
'consumer created (paused)',
);
return {
id: consumer.id,
kind: consumer.kind,
rtpParameters: consumer.rtpParameters,
producerPaused: consumer.producerPaused,
};
} catch (err) {
if (err instanceof AppError) {
throw err;
}
const message = err instanceof Error ? err.message : String(err);
throw new AppError('MEDIASOUP_ERROR', `failed to create consumer: ${message}`, {
transportId: params.transportId,
producerId: params.producerId,
});
}
}
export async function resumeConsumer(consumerId: string): Promise<void> {
const entry = consumerMap.get(consumerId);
if (!entry) {
throw notFound('consumer', consumerId);
}
await entry.consumer.resume();
log.info({ consumerId }, 'consumer resumed');
}
export async function closeConsumer(consumerId: string): Promise<void> {
const entry = consumerMap.get(consumerId);
if (!entry) {
throw notFound('consumer', consumerId);
}
entry.consumer.close();
log.info({ consumerId }, 'consumer closed explicitly');
}
export function getConsumerStats(): { total: number } {
return { total: consumerMap.size };
}
/** 测试专用:复位 consumerMap生产环境调用会抛错 */
export function _clearConsumerMap(): void {
assertTestOnly('_clearConsumerMap');
for (const entry of consumerMap.values()) {
try {
entry.consumer.close();
} catch {
// already closed
}
}
consumerMap.clear();
}

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import type { MediaKind, Producer, RtpParameters } from 'mediasoup/types';
import { AppError, notFound } from '../utils/errors.js';
import { childLogger } from '../utils/logger.js';
import { assertTestOnly } from '../utils/test-guard.js';
import { getTransportEntry } from './transport.service.js';
const log = childLogger({ module: 'services.producer' });
interface ProducerEntry {
producer: Producer;
transportId: string;
userId: string;
createdAt: number;
}
const producerMap = new Map<string, ProducerEntry>();
export async function createProducer(params: {
transportId: string;
kind: MediaKind;
rtpParameters: RtpParameters;
appData?: Record<string, unknown>;
}): Promise<{ id: string }> {
const entry = getTransportEntry(params.transportId);
if (entry.direction !== 'send') {
throw new AppError(
'CONFLICT',
`transport ${params.transportId} is not a send transport (direction=${entry.direction})`,
{ transportId: params.transportId, direction: entry.direction },
);
}
try {
const producer = await entry.transport.produce({
kind: params.kind,
rtpParameters: params.rtpParameters,
appData: {
...(params.appData ?? {}),
userId: entry.userId,
},
});
producer.observer.once('close', () => {
producerMap.delete(producer.id);
log.info(
{ producerId: producer.id, transportId: params.transportId },
'producer closed and removed from map',
);
});
producerMap.set(producer.id, {
producer,
transportId: params.transportId,
userId: entry.userId,
createdAt: Date.now(),
});
log.info(
{
producerId: producer.id,
transportId: params.transportId,
userId: entry.userId,
kind: params.kind,
},
'producer created',
);
return { id: producer.id };
} catch (err) {
const message = err instanceof Error ? err.message : String(err);
throw new AppError('MEDIASOUP_ERROR', `failed to create producer: ${message}`, {
transportId: params.transportId,
kind: params.kind,
});
}
}
export function getProducer(producerId: string): Producer {
const entry = producerMap.get(producerId);
if (!entry) {
throw notFound('producer', producerId);
}
return entry.producer;
}
export async function closeProducer(producerId: string): Promise<void> {
const entry = producerMap.get(producerId);
if (!entry) {
throw notFound('producer', producerId);
}
entry.producer.close();
log.info({ producerId }, 'producer closed explicitly');
}
export function getProducerStats(): { total: number } {
return { total: producerMap.size };
}
/** 测试专用:复位 producerMap生产环境调用会抛错 */
export function _clearProducerMap(): void {
assertTestOnly('_clearProducerMap');
for (const entry of producerMap.values()) {
try {
entry.producer.close();
} catch {
// already closed
}
}
producerMap.clear();
}

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import type { Router, RtpCapabilities } from 'mediasoup/types';
import { config } from '../config.js';
import { MEDIA_CODECS } from '../mediasoup/codecs.js';
import { getWorker } from '../mediasoup/worker.js';
import { AppError, notFound } from '../utils/errors.js';
import { childLogger } from '../utils/logger.js';
import { assertTestOnly } from '../utils/test-guard.js';
const log = childLogger({ module: 'services.router' });
interface RouterEntry {
router: Router;
roomCode: string;
createdAt: number;
}
const routerMap = new Map<string, RouterEntry>();
export async function createRouter(roomCode: string): Promise<{
routerId: string;
rtpCapabilities: RtpCapabilities;
}> {
if (routerMap.size >= config.mediasoup.maxRouters) {
throw new AppError(
'ROUTER_LIMIT_EXCEEDED',
`router limit reached: ${config.mediasoup.maxRouters}`,
{ current: routerMap.size, max: config.mediasoup.maxRouters },
);
}
const worker = getWorker();
const router = await worker.createRouter({ mediaCodecs: MEDIA_CODECS });
router.observer.once('close', () => {
routerMap.delete(router.id);
log.info({ routerId: router.id, roomCode }, 'router closed and removed from map');
});
routerMap.set(router.id, {
router,
roomCode,
createdAt: Date.now(),
});
log.info({ routerId: router.id, roomCode, total: routerMap.size }, 'router created');
return {
routerId: router.id,
rtpCapabilities: router.rtpCapabilities,
};
}
export function getRouter(routerId: string): Router {
const entry = routerMap.get(routerId);
if (!entry) {
throw notFound('router', routerId);
}
return entry.router;
}
export function tryGetRouter(routerId: string): Router | undefined {
return routerMap.get(routerId)?.router;
}
export async function closeRouter(routerId: string): Promise<void> {
const entry = routerMap.get(routerId);
if (!entry) {
throw notFound('router', routerId);
}
entry.router.close();
log.info({ routerId, roomCode: entry.roomCode }, 'router closed explicitly');
}
export function getRouterStats(): {
total: number;
rooms: Array<{ routerId: string; roomCode: string; ageMs: number }>;
} {
const now = Date.now();
return {
total: routerMap.size,
rooms: [...routerMap.entries()].map(([routerId, entry]) => ({
routerId,
roomCode: entry.roomCode,
ageMs: now - entry.createdAt,
})),
};
}
/** 测试专用:复位 routerMap生产环境调用会抛错 */
export function _clearRouterMap(): void {
assertTestOnly('_clearRouterMap');
for (const entry of routerMap.values()) {
try {
entry.router.close();
} catch {
// already closed
}
}
routerMap.clear();
}

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import type {
DtlsParameters,
IceCandidate,
IceParameters,
WebRtcTransport,
} from 'mediasoup/types';
import { config } from '../config.js';
import { AppError, conflict, notFound } from '../utils/errors.js';
import { childLogger } from '../utils/logger.js';
import { assertTestOnly } from '../utils/test-guard.js';
import { getRouter } from './router.service.js';
import type { TransportDirection } from '../schemas/transport.schema.js';
const log = childLogger({ module: 'services.transport' });
interface TransportEntry {
transport: WebRtcTransport;
routerId: string;
userId: string;
direction: TransportDirection;
connected: boolean;
createdAt: number;
}
const transportMap = new Map<string, TransportEntry>();
export interface CreatedTransportInfo {
id: string;
iceParameters: IceParameters;
iceCandidates: IceCandidate[];
dtlsParameters: DtlsParameters;
}
function buildListenIps(): Array<{ ip: string; announcedIp?: string }> {
const entry: { ip: string; announcedIp?: string } = {
ip: config.mediasoup.listenIp,
};
if (config.mediasoup.announcedIp) {
entry.announcedIp = config.mediasoup.announcedIp;
}
return [entry];
}
export async function createWebRtcTransport(params: {
routerId: string;
userId: string;
direction: TransportDirection;
}): Promise<CreatedTransportInfo> {
const router = getRouter(params.routerId);
const transport = await router.createWebRtcTransport({
listenIps: buildListenIps(),
enableUdp: true,
enableTcp: true,
preferUdp: true,
initialAvailableOutgoingBitrate: 1_000_000,
appData: {
userId: params.userId,
direction: params.direction,
routerId: params.routerId,
},
});
transport.observer.once('close', () => {
transportMap.delete(transport.id);
log.info(
{ transportId: transport.id, routerId: params.routerId, userId: params.userId },
'transport closed and removed from map',
);
});
transportMap.set(transport.id, {
transport,
routerId: params.routerId,
userId: params.userId,
direction: params.direction,
connected: false,
createdAt: Date.now(),
});
log.info(
{
transportId: transport.id,
routerId: params.routerId,
userId: params.userId,
direction: params.direction,
},
'webrtc transport created',
);
return {
id: transport.id,
iceParameters: transport.iceParameters,
iceCandidates: transport.iceCandidates,
dtlsParameters: transport.dtlsParameters,
};
}
export function getTransport(transportId: string): WebRtcTransport {
const entry = transportMap.get(transportId);
if (!entry) {
throw notFound('transport', transportId);
}
return entry.transport;
}
export function getTransportEntry(transportId: string): TransportEntry {
const entry = transportMap.get(transportId);
if (!entry) {
throw notFound('transport', transportId);
}
return entry;
}
export async function connectTransport(params: {
transportId: string;
dtlsParameters: DtlsParameters;
}): Promise<void> {
const entry = transportMap.get(params.transportId);
if (!entry) {
throw notFound('transport', params.transportId);
}
// 乐观锁:先置位再 await防止并发重复 connect 被 mediasoup 层包成 500
if (entry.connected) {
throw conflict(`transport already connected: ${params.transportId}`);
}
entry.connected = true;
try {
await entry.transport.connect({ dtlsParameters: params.dtlsParameters });
log.info({ transportId: params.transportId }, 'transport connected');
} catch (err) {
entry.connected = false;
const message = err instanceof Error ? err.message : String(err);
throw new AppError('MEDIASOUP_ERROR', `failed to connect transport: ${message}`, {
transportId: params.transportId,
});
}
}
export function getTransportStats(): { total: number } {
return { total: transportMap.size };
}
/** 测试专用:复位 transportMap生产环境调用会抛错 */
export function _clearTransportMap(): void {
assertTestOnly('_clearTransportMap');
for (const entry of transportMap.values()) {
try {
entry.transport.close();
} catch {
// already closed
}
}
transportMap.clear();
}

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export type AppErrorCode =
| 'NOT_FOUND'
| 'CONFLICT'
| 'ROUTER_LIMIT_EXCEEDED'
| 'CAN_NOT_CONSUME'
| 'MEDIASOUP_ERROR';
const ERROR_STATUS: Record<AppErrorCode, number> = {
NOT_FOUND: 404,
CONFLICT: 409,
ROUTER_LIMIT_EXCEEDED: 503,
CAN_NOT_CONSUME: 400,
MEDIASOUP_ERROR: 500,
};
export class AppError extends Error {
readonly code: AppErrorCode;
readonly statusCode: number;
readonly details: Record<string, unknown> | undefined;
constructor(code: AppErrorCode, message: string, details?: Record<string, unknown>) {
super(message);
this.name = 'AppError';
this.code = code;
this.statusCode = ERROR_STATUS[code];
this.details = details;
}
toJSON(): Record<string, unknown> {
return {
code: this.code,
message: this.message,
...(this.details ? { details: this.details } : {}),
};
}
}
export function notFound(resource: string, id: string): AppError {
return new AppError('NOT_FOUND', `${resource} not found: ${id}`, { resource, id });
}
export function conflict(message: string, details?: Record<string, unknown>): AppError {
return new AppError('CONFLICT', message, details);
}

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import pino, { type Logger, type LoggerOptions } from 'pino';
import { config } from '../config.js';
function buildLoggerOptions(): LoggerOptions {
const base: LoggerOptions = {
level: config.logLevel,
base: {
service: 'media-server',
pid: process.pid,
},
timestamp: pino.stdTimeFunctions.isoTime,
redact: {
paths: ['req.headers["x-internal-token"]', 'headers["x-internal-token"]'],
censor: '[REDACTED]',
},
};
if (config.logPretty) {
base.transport = {
target: 'pino-pretty',
options: {
colorize: true,
translateTime: 'SYS:HH:MM:ss.l',
ignore: 'pid,hostname,service',
singleLine: false,
},
};
}
return base;
}
export const logger: Logger = pino(buildLoggerOptions());
export function childLogger(bindings: Record<string, unknown>): Logger {
return logger.child(bindings);
}

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/**
* 测试专用守卫:仅允许 NODE_ENV=test 调用
*
* 所有下划线前缀的 _clearXxxMap / __TEST__* 等测试辅助函数必须在函数体首行调用
* `assertTestOnly('<caller>')`,防止被误用到生产路径,造成资源全量销毁。
*/
export function assertTestOnly(caller: string): void {
if (process.env.NODE_ENV !== 'test') {
throw new Error(
`[test-guard] ${caller} is test-only and must not be called in production (NODE_ENV=${process.env.NODE_ENV ?? 'undefined'})`,
);
}
}

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import type { FastifyInstance } from 'fastify';
import { afterAll, beforeAll, describe, expect, it } from 'vitest';
import { buildApp } from '../src/app.js';
import { config } from '../src/config.js';
import { closeWorker, startWorker } from '../src/mediasoup/worker.js';
import { _clearConsumerMap } from '../src/services/consumer.service.js';
import { _clearProducerMap } from '../src/services/producer.service.js';
import { _clearRouterMap } from '../src/services/router.service.js';
import { _clearTransportMap } from '../src/services/transport.service.js';
let app: FastifyInstance;
const token = config.internalToken;
beforeAll(async () => {
app = (await buildApp()) as unknown as FastifyInstance;
await app.ready();
await startWorker();
});
afterAll(async () => {
_clearConsumerMap();
_clearProducerMap();
_clearTransportMap();
_clearRouterMap();
await app.close();
await closeWorker();
});
describe('HTTP layer: health + auth', () => {
it('GET /healthz returns ok snapshot', async () => {
const res = await app.inject({ method: 'GET', url: '/healthz' });
expect(res.statusCode).toBe(200);
const body = res.json();
expect(body.service).toBe('media-server');
expect(body.mediasoupVersion).toBeTruthy();
});
it('GET /readyz returns 200 when worker ready', async () => {
const res = await app.inject({ method: 'GET', url: '/readyz' });
expect(res.statusCode).toBe(200);
expect(res.json().ready).toBe(true);
});
it('GET /internal/info without token returns 401', async () => {
const res = await app.inject({ method: 'GET', url: '/internal/info' });
expect(res.statusCode).toBe(401);
});
it('GET /internal/info with wrong token returns 401', async () => {
const res = await app.inject({
method: 'GET',
url: '/internal/info',
headers: { 'x-internal-token': 'wrong-token-wrong-token' },
});
expect(res.statusCode).toBe(401);
});
it('GET /internal/info with valid token returns worker info', async () => {
const res = await app.inject({
method: 'GET',
url: '/internal/info',
headers: { 'x-internal-token': token },
});
expect(res.statusCode).toBe(200);
const body = res.json();
expect(body.service).toBe('media-server');
expect(body.mediasoupVersion).toBeTruthy();
});
});
describe('HTTP layer: /internal/v1/* routes', () => {
let routerId = '';
let sendTransportId = '';
let recvTransportId = '';
it('POST /internal/v1/routers 201', async () => {
const res = await app.inject({
method: 'POST',
url: '/internal/v1/routers',
headers: { 'x-internal-token': token },
payload: { roomCode: 'ROOM-HTTP-1' },
});
expect(res.statusCode).toBe(201);
const body = res.json();
expect(body.routerId).toBeTruthy();
routerId = body.routerId;
});
it('POST /internal/v1/routers validation error returns 400', async () => {
const res = await app.inject({
method: 'POST',
url: '/internal/v1/routers',
headers: { 'x-internal-token': token },
payload: { roomCode: 'lower-case' },
});
expect(res.statusCode).toBe(400);
const body = res.json();
expect(body.code).toBe('VALIDATION_ERROR');
expect(Array.isArray(body.fieldErrors)).toBe(true);
});
it('POST /internal/v1/transports (send) 201', async () => {
const res = await app.inject({
method: 'POST',
url: '/internal/v1/transports',
headers: { 'x-internal-token': token },
payload: { routerId, userId: 'u-1', direction: 'send' },
});
expect(res.statusCode).toBe(201);
sendTransportId = res.json().id;
expect(sendTransportId).toBeTruthy();
});
it('POST /internal/v1/transports (recv) 201', async () => {
const res = await app.inject({
method: 'POST',
url: '/internal/v1/transports',
headers: { 'x-internal-token': token },
payload: { routerId, userId: 'u-2', direction: 'recv' },
});
expect(res.statusCode).toBe(201);
recvTransportId = res.json().id;
expect(recvTransportId).toBeTruthy();
});
it('POST /internal/v1/transports with unknown router returns 404', async () => {
const res = await app.inject({
method: 'POST',
url: '/internal/v1/transports',
headers: { 'x-internal-token': token },
payload: { routerId: 'bogus-router', userId: 'u-3', direction: 'send' },
});
expect(res.statusCode).toBe(404);
expect(res.json().code).toBe('NOT_FOUND');
});
const sampleAudioRtpParameters = {
codecs: [
{ mimeType: 'audio/opus', clockRate: 48000, channels: 2, payloadType: 100 },
],
encodings: [{ ssrc: 222222 }],
};
it('POST /internal/v1/producers with empty codecs returns 400 VALIDATION_ERROR', async () => {
const res = await app.inject({
method: 'POST',
url: '/internal/v1/producers',
headers: { 'x-internal-token': token },
payload: {
transportId: recvTransportId,
kind: 'audio',
rtpParameters: { codecs: [] },
},
});
expect(res.statusCode).toBe(400);
expect(res.json().code).toBe('VALIDATION_ERROR');
});
it('POST /internal/v1/producers with recv transport returns 409', async () => {
const res = await app.inject({
method: 'POST',
url: '/internal/v1/producers',
headers: { 'x-internal-token': token },
payload: {
transportId: recvTransportId,
kind: 'audio',
rtpParameters: sampleAudioRtpParameters,
},
});
expect(res.statusCode).toBe(409);
expect(res.json().code).toBe('CONFLICT');
});
it('POST /internal/v1/consumers with empty codecs returns 400 VALIDATION_ERROR', async () => {
const producerRes = await app.inject({
method: 'POST',
url: '/internal/v1/producers',
headers: { 'x-internal-token': token },
payload: {
transportId: sendTransportId,
kind: 'audio',
rtpParameters: sampleAudioRtpParameters,
},
});
expect(producerRes.statusCode).toBe(201);
const producerId = producerRes.json().id;
const res = await app.inject({
method: 'POST',
url: '/internal/v1/consumers',
headers: { 'x-internal-token': token },
payload: {
routerId,
transportId: recvTransportId,
producerId,
rtpCapabilities: { codecs: [] },
},
});
expect(res.statusCode).toBe(400);
expect(res.json().code).toBe('VALIDATION_ERROR');
});
it('POST /internal/v1/consumers with incompatible codecs returns 400 CAN_NOT_CONSUME', async () => {
const producerRes = await app.inject({
method: 'POST',
url: '/internal/v1/producers',
headers: { 'x-internal-token': token },
payload: {
transportId: sendTransportId,
kind: 'audio',
rtpParameters: {
...sampleAudioRtpParameters,
encodings: [{ ssrc: 333333 }],
},
},
});
expect(producerRes.statusCode).toBe(201);
const producerId = producerRes.json().id;
const res = await app.inject({
method: 'POST',
url: '/internal/v1/consumers',
headers: { 'x-internal-token': token },
payload: {
routerId,
transportId: recvTransportId,
producerId,
rtpCapabilities: {
// 故意给一个 payloadType 不在 router 中的假 codec
codecs: [{ mimeType: 'audio/unknown-fake', clockRate: 48000 }],
},
},
});
expect(res.statusCode).toBe(400);
expect(res.json().code).toBe('CAN_NOT_CONSUME');
});
it('DELETE /internal/v1/producers/:id returns 404 for unknown', async () => {
const res = await app.inject({
method: 'DELETE',
url: '/internal/v1/producers/unknown-id',
headers: { 'x-internal-token': token },
});
expect(res.statusCode).toBe(404);
});
it('POST /internal/v1/consumers/:id/resume returns 404 for unknown', async () => {
const res = await app.inject({
method: 'POST',
url: '/internal/v1/consumers/unknown-id/resume',
headers: { 'x-internal-token': token },
});
expect(res.statusCode).toBe(404);
});
it('DELETE /internal/v1/consumers/:id returns 404 for unknown', async () => {
const res = await app.inject({
method: 'DELETE',
url: '/internal/v1/consumers/unknown-id',
headers: { 'x-internal-token': token },
});
expect(res.statusCode).toBe(404);
});
it('DELETE /internal/v1/routers/:routerId cleans up', async () => {
const res = await app.inject({
method: 'DELETE',
url: `/internal/v1/routers/${routerId}`,
headers: { 'x-internal-token': token },
});
expect(res.statusCode).toBe(200);
expect(res.json().ok).toBe(true);
});
});

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import { describe, expect, it } from 'vitest';
import { AppError, conflict, notFound } from '../src/utils/errors.js';
describe('AppError', () => {
it('maps NOT_FOUND to 404', () => {
const err = notFound('router', 'r-1');
expect(err).toBeInstanceOf(AppError);
expect(err.code).toBe('NOT_FOUND');
expect(err.statusCode).toBe(404);
expect(err.message).toContain('r-1');
expect(err.toJSON()).toMatchObject({
code: 'NOT_FOUND',
message: expect.stringContaining('router'),
details: { resource: 'router', id: 'r-1' },
});
});
it('maps CONFLICT to 409', () => {
const err = conflict('already connected');
expect(err.statusCode).toBe(409);
expect(err.code).toBe('CONFLICT');
});
it('maps ROUTER_LIMIT_EXCEEDED to 503', () => {
const err = new AppError('ROUTER_LIMIT_EXCEEDED', 'too many routers');
expect(err.statusCode).toBe(503);
});
it('maps CAN_NOT_CONSUME to 400', () => {
const err = new AppError('CAN_NOT_CONSUME', 'nope');
expect(err.statusCode).toBe(400);
});
it('maps MEDIASOUP_ERROR to 500', () => {
const err = new AppError('MEDIASOUP_ERROR', 'boom');
expect(err.statusCode).toBe(500);
});
it('toJSON omits details when not provided', () => {
const err = new AppError('CONFLICT', 'just a conflict');
expect(err.toJSON()).toEqual({ code: 'CONFLICT', message: 'just a conflict' });
});
});

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import { describe, expect, it } from 'vitest';
import {
idStringSchema,
roomCodeSchema,
userIdSchema,
} from '../src/schemas/common.js';
import { createConsumerBodySchema } from '../src/schemas/consumer.schema.js';
import { createProducerBodySchema } from '../src/schemas/producer.schema.js';
import { createRouterBodySchema } from '../src/schemas/router.schema.js';
import {
connectTransportBodySchema,
createTransportBodySchema,
} from '../src/schemas/transport.schema.js';
describe('common schemas', () => {
it('accepts valid id strings', () => {
expect(idStringSchema.parse('abc-123_X:Y')).toBe('abc-123_X:Y');
});
it('rejects invalid characters in id', () => {
expect(() => idStringSchema.parse('abc/def')).toThrow();
expect(() => idStringSchema.parse('')).toThrow();
expect(() => idStringSchema.parse('a'.repeat(200))).toThrow();
});
it('accepts valid room codes', () => {
expect(roomCodeSchema.parse('ROOM-001')).toBe('ROOM-001');
});
it('rejects lowercase or invalid room codes', () => {
expect(() => roomCodeSchema.parse('room-001')).toThrow();
expect(() => roomCodeSchema.parse('AB')).toThrow();
});
it('coerces numeric userIds into strings', () => {
expect(userIdSchema.parse(42)).toBe('42');
expect(userIdSchema.parse('alice')).toBe('alice');
});
it('rejects non-positive numeric userIds', () => {
expect(() => userIdSchema.parse(0)).toThrow();
expect(() => userIdSchema.parse(-1)).toThrow();
});
});
describe('router schema', () => {
it('parses valid body', () => {
expect(createRouterBodySchema.parse({ roomCode: 'ROOM-1' })).toEqual({
roomCode: 'ROOM-1',
});
});
it('rejects missing roomCode', () => {
expect(() => createRouterBodySchema.parse({})).toThrow();
});
});
describe('transport schemas', () => {
it('parses create body', () => {
const parsed = createTransportBodySchema.parse({
routerId: 'router-1',
userId: 'user-1',
direction: 'send',
});
expect(parsed.direction).toBe('send');
});
it('rejects bad direction', () => {
expect(() =>
createTransportBodySchema.parse({
routerId: 'router-1',
userId: 'user-1',
direction: 'bidirectional',
}),
).toThrow();
});
it('parses connect body with fingerprints', () => {
const parsed = connectTransportBodySchema.parse({
dtlsParameters: {
role: 'auto',
fingerprints: [{ algorithm: 'sha-256', value: 'AA:BB' }],
},
});
expect(parsed.dtlsParameters.fingerprints).toHaveLength(1);
});
it('rejects connect body without fingerprints', () => {
expect(() =>
connectTransportBodySchema.parse({
dtlsParameters: { role: 'auto', fingerprints: [] },
}),
).toThrow();
});
});
describe('producer schema', () => {
const validRtpParameters = {
codecs: [
{ mimeType: 'audio/opus', clockRate: 48000, payloadType: 100, channels: 2 },
],
};
it('parses valid body', () => {
const parsed = createProducerBodySchema.parse({
transportId: 'trans-1',
kind: 'audio',
rtpParameters: validRtpParameters,
});
expect(parsed.kind).toBe('audio');
expect(parsed.rtpParameters.codecs[0]?.payloadType).toBe(100);
});
it('rejects bad kind', () => {
expect(() =>
createProducerBodySchema.parse({
transportId: 'trans-1',
kind: 'data',
rtpParameters: validRtpParameters,
}),
).toThrow();
});
it('rejects rtpParameters without codecs', () => {
expect(() =>
createProducerBodySchema.parse({
transportId: 'trans-1',
kind: 'audio',
rtpParameters: {},
}),
).toThrow();
});
it('rejects rtpParameters with empty codecs', () => {
expect(() =>
createProducerBodySchema.parse({
transportId: 'trans-1',
kind: 'audio',
rtpParameters: { codecs: [] },
}),
).toThrow();
});
});
describe('consumer schema', () => {
const validRtpCapabilities = {
codecs: [{ mimeType: 'audio/opus', clockRate: 48000 }],
};
it('parses valid body', () => {
const parsed = createConsumerBodySchema.parse({
routerId: 'r-1',
transportId: 't-1',
producerId: 'p-1',
rtpCapabilities: validRtpCapabilities,
});
expect(parsed.routerId).toBe('r-1');
});
it('rejects missing fields', () => {
expect(() =>
createConsumerBodySchema.parse({ routerId: 'r-1' }),
).toThrow();
});
it('rejects rtpCapabilities with empty codecs', () => {
expect(() =>
createConsumerBodySchema.parse({
routerId: 'r-1',
transportId: 't-1',
producerId: 'p-1',
rtpCapabilities: { codecs: [] },
}),
).toThrow();
});
});

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import { afterAll, beforeAll, describe, expect, it } from 'vitest';
import { closeWorker, startWorker } from '../../src/mediasoup/worker.js';
import {
closeConsumer,
createConsumer,
resumeConsumer,
_clearConsumerMap,
} from '../../src/services/consumer.service.js';
import { _clearProducerMap } from '../../src/services/producer.service.js';
import { _clearRouterMap, createRouter } from '../../src/services/router.service.js';
import {
_clearTransportMap,
createWebRtcTransport,
} from '../../src/services/transport.service.js';
import { AppError } from '../../src/utils/errors.js';
let routerId = '';
let sendTransportId = '';
let recvTransportId = '';
beforeAll(async () => {
await startWorker();
const r = await createRouter('ROOM-CONSUMER');
routerId = r.routerId;
sendTransportId = (
await createWebRtcTransport({ routerId, userId: 'u-s', direction: 'send' })
).id;
recvTransportId = (
await createWebRtcTransport({ routerId, userId: 'u-r', direction: 'recv' })
).id;
});
afterAll(async () => {
_clearConsumerMap();
_clearProducerMap();
_clearTransportMap();
_clearRouterMap();
await closeWorker();
});
describe('consumer.service', () => {
it('createConsumer with unknown router throws NOT_FOUND', async () => {
await expect(
createConsumer({
routerId: 'bogus-router',
transportId: recvTransportId,
producerId: 'bogus-producer',
rtpCapabilities: {} as never,
}),
).rejects.toMatchObject({ code: 'NOT_FOUND' });
});
it('createConsumer with unknown producer throws NOT_FOUND', async () => {
await expect(
createConsumer({
routerId,
transportId: recvTransportId,
producerId: 'bogus-producer',
rtpCapabilities: {} as never,
}),
).rejects.toMatchObject({ code: 'NOT_FOUND' });
});
it('createConsumer with unknown transport throws NOT_FOUND', async () => {
await expect(
createConsumer({
routerId,
transportId: 'bogus-transport',
producerId: 'bogus-producer',
rtpCapabilities: {} as never,
}),
).rejects.toMatchObject({ code: 'NOT_FOUND' });
});
it('resumeConsumer throws NOT_FOUND for unknown id', async () => {
await expect(resumeConsumer('non-existent')).rejects.toMatchObject({ code: 'NOT_FOUND' });
});
it('closeConsumer throws NOT_FOUND for unknown id', async () => {
await expect(closeConsumer('non-existent')).rejects.toMatchObject({ code: 'NOT_FOUND' });
});
it('placeholder: send transport exists for coverage', () => {
expect(sendTransportId).toBeTruthy();
});
});

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import { afterAll, afterEach, beforeAll, describe, expect, it } from 'vitest';
import { closeWorker, startWorker } from '../../src/mediasoup/worker.js';
import {
closeProducer,
createProducer,
getProducer,
_clearProducerMap,
} from '../../src/services/producer.service.js';
import { _clearRouterMap, createRouter } from '../../src/services/router.service.js';
import {
_clearTransportMap,
createWebRtcTransport,
} from '../../src/services/transport.service.js';
import { AppError } from '../../src/utils/errors.js';
let recvTransportId = '';
beforeAll(async () => {
await startWorker();
const { routerId } = await createRouter('ROOM-PRODUCER');
const recv = await createWebRtcTransport({
routerId,
userId: 'user-recv',
direction: 'recv',
});
recvTransportId = recv.id;
});
afterAll(async () => {
_clearProducerMap();
_clearTransportMap();
_clearRouterMap();
await closeWorker();
});
afterEach(() => {
_clearProducerMap();
});
describe('producer.service', () => {
it('getProducer throws NOT_FOUND for unknown id', () => {
try {
getProducer('non-existent');
throw new Error('expected throw');
} catch (err) {
expect(err).toBeInstanceOf(AppError);
expect((err as AppError).code).toBe('NOT_FOUND');
}
});
it('closeProducer throws NOT_FOUND for unknown id', async () => {
await expect(closeProducer('non-existent')).rejects.toMatchObject({ code: 'NOT_FOUND' });
});
const validRtpParameters = {
codecs: [
{ mimeType: 'audio/opus', clockRate: 48000, channels: 2, payloadType: 100 },
],
encodings: [{ ssrc: 111111 }],
} as never;
it('createProducer rejects when transport direction is recv', async () => {
await expect(
createProducer({
transportId: recvTransportId,
kind: 'audio',
rtpParameters: validRtpParameters,
}),
).rejects.toMatchObject({ code: 'CONFLICT' });
});
it('createProducer with unknown transport throws NOT_FOUND', async () => {
await expect(
createProducer({
transportId: 'bogus-transport',
kind: 'audio',
rtpParameters: validRtpParameters,
}),
).rejects.toMatchObject({ code: 'NOT_FOUND' });
});
});

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import { afterAll, afterEach, beforeAll, describe, expect, it } from 'vitest';
import { config } from '../../src/config.js';
import { closeWorker, startWorker } from '../../src/mediasoup/worker.js';
import {
_clearRouterMap,
closeRouter,
createRouter,
getRouter,
getRouterStats,
tryGetRouter,
} from '../../src/services/router.service.js';
import { AppError } from '../../src/utils/errors.js';
beforeAll(async () => {
await startWorker();
});
afterAll(async () => {
_clearRouterMap();
await closeWorker();
});
afterEach(() => {
_clearRouterMap();
});
describe('router.service', () => {
it('creates a router and returns rtpCapabilities', async () => {
const { routerId, rtpCapabilities } = await createRouter('ROOM-TEST-1');
expect(routerId).toBeTruthy();
expect(Array.isArray(rtpCapabilities.codecs)).toBe(true);
expect(rtpCapabilities.codecs?.length).toBeGreaterThan(0);
const stats = getRouterStats();
expect(stats.total).toBe(1);
expect(stats.rooms[0]?.roomCode).toBe('ROOM-TEST-1');
});
it('getRouter throws NOT_FOUND for unknown id', () => {
try {
getRouter('non-existent-id');
throw new Error('expected throw');
} catch (err) {
expect(err).toBeInstanceOf(AppError);
expect((err as AppError).code).toBe('NOT_FOUND');
}
});
it('tryGetRouter returns undefined instead of throwing', () => {
expect(tryGetRouter('non-existent-id')).toBeUndefined();
});
it('closeRouter removes entry via observer close event', async () => {
const { routerId } = await createRouter('ROOM-TEST-2');
expect(getRouterStats().total).toBe(1);
await closeRouter(routerId);
// observer.once('close') executes synchronously when router.close() is called
expect(getRouterStats().total).toBe(0);
});
it('closeRouter throws NOT_FOUND for unknown router', async () => {
await expect(closeRouter('non-existent-id')).rejects.toBeInstanceOf(AppError);
});
it('enforces router limit', async () => {
const originalLimit = config.mediasoup.maxRouters;
(config.mediasoup as { maxRouters: number }).maxRouters = 2;
try {
await createRouter('ROOM-LIMIT-1');
await createRouter('ROOM-LIMIT-2');
await expect(createRouter('ROOM-LIMIT-3')).rejects.toMatchObject({
code: 'ROUTER_LIMIT_EXCEEDED',
});
} finally {
(config.mediasoup as { maxRouters: number }).maxRouters = originalLimit;
}
});
});

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import { afterAll, afterEach, beforeAll, describe, expect, it } from 'vitest';
import { closeWorker, startWorker } from '../../src/mediasoup/worker.js';
import { _clearRouterMap, createRouter } from '../../src/services/router.service.js';
import {
_clearTransportMap,
createWebRtcTransport,
getTransport,
getTransportStats,
} from '../../src/services/transport.service.js';
import { AppError } from '../../src/utils/errors.js';
let routerId = '';
beforeAll(async () => {
await startWorker();
const r = await createRouter('ROOM-TRANSPORT');
routerId = r.routerId;
});
afterAll(async () => {
_clearTransportMap();
_clearRouterMap();
await closeWorker();
});
afterEach(() => {
_clearTransportMap();
});
describe('transport.service', () => {
it('creates a WebRTC transport and returns ICE/DTLS params', async () => {
const transport = await createWebRtcTransport({
routerId,
userId: 'user-1',
direction: 'send',
});
expect(transport.id).toBeTruthy();
expect(transport.iceParameters.usernameFragment).toBeTruthy();
expect(transport.iceParameters.password).toBeTruthy();
expect(Array.isArray(transport.iceCandidates)).toBe(true);
expect(transport.iceCandidates.length).toBeGreaterThan(0);
expect(transport.dtlsParameters.fingerprints.length).toBeGreaterThan(0);
expect(getTransportStats().total).toBe(1);
});
it('supports recv direction', async () => {
const transport = await createWebRtcTransport({
routerId,
userId: 'user-2',
direction: 'recv',
});
expect(transport.id).toBeTruthy();
});
it('getTransport throws NOT_FOUND for unknown id', () => {
try {
getTransport('non-existent');
throw new Error('expected throw');
} catch (err) {
expect(err).toBeInstanceOf(AppError);
expect((err as AppError).code).toBe('NOT_FOUND');
}
});
it('createWebRtcTransport with unknown routerId throws NOT_FOUND', async () => {
await expect(
createWebRtcTransport({
routerId: 'bogus-router',
userId: 'user-3',
direction: 'send',
}),
).rejects.toMatchObject({ code: 'NOT_FOUND' });
});
});

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process.env.NODE_ENV = 'test';
process.env.MEDIA_INTERNAL_TOKEN = process.env.MEDIA_INTERNAL_TOKEN ?? 'test-token-1234567890';
process.env.LOG_LEVEL = process.env.LOG_LEVEL ?? 'silent';
process.env.LOG_PRETTY = process.env.LOG_PRETTY ?? 'false';
process.env.MEDIASOUP_RTC_MIN_PORT = process.env.MEDIASOUP_RTC_MIN_PORT ?? '40800';
process.env.MEDIASOUP_RTC_MAX_PORT = process.env.MEDIASOUP_RTC_MAX_PORT ?? '40899';
process.env.MEDIASOUP_WORKER_LOG_LEVEL = process.env.MEDIASOUP_WORKER_LOG_LEVEL ?? 'error';

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import { describe, expect, it } from 'vitest';
import { assertTestOnly } from '../src/utils/test-guard.js';
describe('assertTestOnly', () => {
it('passes when NODE_ENV=test', () => {
expect(() => assertTestOnly('sampleFn')).not.toThrow();
});
it('throws when NODE_ENV is not test', () => {
const original = process.env.NODE_ENV;
process.env.NODE_ENV = 'production';
try {
expect(() => assertTestOnly('sampleFn')).toThrow(/test-only/);
} finally {
process.env.NODE_ENV = original;
}
});
});

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{
"extends": "./tsconfig.json",
"compilerOptions": {
"sourceMap": false
},
"exclude": ["node_modules", "dist", "tests", "poc", "**/*.spec.ts", "src/**/__tests__/**"]
}

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{
"compilerOptions": {
"target": "ES2022",
"module": "ES2022",
"moduleResolution": "Bundler",
"lib": ["ES2022"],
"outDir": "./dist",
"rootDir": "./src",
"strict": true,
"noImplicitAny": true,
"noImplicitReturns": true,
"noFallthroughCasesInSwitch": true,
"noUnusedLocals": true,
"noUnusedParameters": true,
"exactOptionalPropertyTypes": false,
"esModuleInterop": true,
"allowSyntheticDefaultImports": true,
"resolveJsonModule": true,
"isolatedModules": true,
"skipLibCheck": true,
"forceConsistentCasingInFileNames": true,
"declaration": false,
"sourceMap": true,
"types": ["node"]
},
"include": ["src/**/*"],
"exclude": ["node_modules", "dist", "tests", "poc", "**/*.spec.ts"]
}

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import { defineConfig } from 'vitest/config';
export default defineConfig({
test: {
globals: false,
environment: 'node',
include: ['tests/**/*.spec.ts'],
setupFiles: ['./tests/setup.ts'],
testTimeout: 15_000,
hookTimeout: 30_000,
pool: 'forks',
coverage: {
reporter: ['text', 'html'],
include: ['src/**/*.ts'],
exclude: ['src/app.ts', 'src/config.ts'],
},
},
});