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Claude: Add internal/redisclient entry to srs-codebase-map.

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Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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winlin 2026-05-17 11:59:14 -04:00
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memory/srs-codebase-map.md
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@ -221,6 +221,8 @@ The next-generation server (`cmd/` + `internal/`) is written in Go and maintaine
`internal/lb` — Load balancer abstraction and two implementations. Defines `OriginLoadBalancer` interface and core types in `lb.go` (Initialize, Update, Pick, HLS/WebRTC state management) and `OriginServer` struct representing a backend origin (IP, listen endpoints for RTMP/HTTP/API/SRT/RTC, heartbeat tracking). **Memory LB** (`mem.go`) — in-memory using `sync.Map`, sticky random pick per stream URL, single-proxy deployment. **Redis LB** (`redis.go`) — Redis-backed shared state with TTL-based expiration, enables multi-proxy horizontal scaling behind a network load balancer. Also includes a debug helper (`debug.go`) that creates a fake backend from env vars when `PROXY_DEFAULT_BACKEND_ENABLED=on` for development without real SRS registration.
`internal/redisclient` — Thin Redis client abstraction. Defines a minimal `RedisClient` interface (`Ping`/`Get`/`Set`/`String`) satisfied by `*redis.Client` from `github.com/go-redis/redis/v8`, plus a `New(addr, password, db)` constructor. Used by `internal/lb/redis.go`.
`internal/logger` — Structured logging with context IDs. Four log levels: Debug/Info (stdout), Warn/Error (stderr). Emits JSON via `log/slog` with `pid` and `cid` attributes. Each connection/request gets a unique 7-char hex context ID for log correlation, stored in `context.Context`.
`internal/env` — Environment-based configuration. All settings via env vars (or `.env` file parsed by an in-tree custom parser — no third-party dep; supports comments, `export` prefix, quoted values, escape sequences, and inline comments). Exposes a `ProxyEnvironment` interface (with a counterfeiter-generated fake in `envfakes/` for downstream tests) with methods for each config value. Default ports: RTMP=11935, HTTP API=11985, HTTP Stream=18080, WebRTC=18000, SRT=20080, System API=12025. Timeouts: grace=20s, force=30s. Supports Redis config and default backend config for debugging.