Files
EchoChat/media-server/.env.example
bujinyuan 6e2e792db0 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。

Made-with: Cursor
2026-04-21 15:31:01 +08:00

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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