214 lines
6.7 KiB
Go
214 lines
6.7 KiB
Go
package main
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import (
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"context"
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"errors"
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"net/http"
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"os/signal"
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"strings"
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"syscall"
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"time"
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"github.com/gin-gonic/gin"
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"github.com/hhs/camtalk/internal/api"
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"github.com/hhs/camtalk/internal/auth"
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"github.com/hhs/camtalk/internal/ai/llm"
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"github.com/hhs/camtalk/internal/ai/stt"
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"github.com/hhs/camtalk/internal/ai/tts"
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"github.com/hhs/camtalk/internal/config"
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"github.com/hhs/camtalk/internal/logger"
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"github.com/hhs/camtalk/internal/orchestrator"
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"github.com/hhs/camtalk/internal/session"
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"github.com/hhs/camtalk/internal/store"
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"github.com/hhs/camtalk/internal/ws"
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migrations "github.com/hhs/camtalk/migrations"
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)
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// Version 通过构建时 -ldflags 注入，如：
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// go build -ldflags "-X main.Version=v1.0.0" ./cmd/server
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var Version string
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var startTime = time.Now()
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func main() {
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// 加载配置
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cfg, err := config.Load()
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if err != nil {
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panic("failed to load config: " + err.Error())
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}
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// 初始化日志
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logger.Init(cfg.Log.Level, cfg.Log.Format)
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defer logger.Sync()
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logger.Log.Infow("config loaded",
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"env", cfg.App.Env,
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"addr", cfg.Server.Addr(),
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)
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// 初始化存储层（条件初始化 PostgreSQL）
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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var userRepo store.UserRepository
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var msgRepo store.MessageRepository
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var sessRepo store.SessionRepository
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if cfg.Storage.Driver == "postgres" {
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pool, err := store.NewPostgresPool(ctx, cfg.Storage.DSN)
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if err != nil {
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logger.Log.Fatalw("failed to connect to postgres", "error", err)
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}
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defer pool.Close()
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// 执行数据库迁移
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if err := store.RunMigrations(ctx, pool, migrations.FS); err != nil {
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logger.Log.Fatalw("failed to run migrations", "error", err)
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}
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userRepo = store.NewPgUserRepository(pool)
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msgRepo = store.NewPgMessageRepository(pool)
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sessRepo = store.NewPgSessionRepository(pool)
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logger.Log.Infow("postgres storage initialized", "driver", cfg.Storage.Driver)
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} else {
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userRepo = store.NewMemUserRepository()
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logger.Log.Info("using in-memory storage")
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}
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// 初始化 Session Manager
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var sessionMgr session.Manager
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var sessionOpts []session.Option
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if msgRepo != nil {
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sessionOpts = append(sessionOpts, session.WithMessageRepository(msgRepo))
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}
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if sessRepo != nil {
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sessionOpts = append(sessionOpts, session.WithSessionRepository(sessRepo))
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}
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sessionMgr = session.NewMemoryManager(
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time.Duration(cfg.Session.TTL)*time.Minute,
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cfg.Session.MaxHistory,
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sessionOpts...,
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)
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defer sessionMgr.(*session.MemoryManager).Stop()
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// 初始化 AI 服务
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logger.Log.Infow("initializing AI services",
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"stt.provider", cfg.AI.STT.Provider,
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"stt.model", cfg.AI.STT.Model,
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"llm.provider", cfg.AI.LLM.Provider,
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"llm.model", cfg.AI.LLM.Model,
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"tts.provider", cfg.AI.TTS.Provider,
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"tts.model", cfg.AI.TTS.Model,
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"tts.voice", cfg.AI.TTS.Voice,
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)
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var sttService stt.Service
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switch strings.ToLower(cfg.AI.STT.Provider) {
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case "mimo", "xiaomi":
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sttService = stt.NewMiMoService(cfg.AI.STT.APIKey, cfg.AI.STT.Model, cfg.AI.STT.Endpoint, cfg.AI.STT.Timeout, logger.Log)
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logger.Log.Infow("STT service initialized", "provider", "mimo", "model", cfg.AI.STT.Model, "endpoint", cfg.AI.STT.Endpoint)
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default:
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sttService = stt.NewDeepgramService(cfg.AI.STT.APIKey, cfg.AI.STT.Model, cfg.AI.STT.Endpoint, cfg.AI.STT.Timeout, logger.Log)
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logger.Log.Infow("STT service initialized", "provider", "deepgram", "model", cfg.AI.STT.Model)
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}
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llmService := llm.NewOpenAIService(cfg.AI.LLM.APIKey, cfg.AI.LLM.Model, cfg.AI.LLM.Endpoint, cfg.AI.LLM.Timeout, cfg.AI.LLM.HTTPClientTimeout, logger.Log)
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logger.Log.Infow("LLM service initialized", "provider", cfg.AI.LLM.Provider, "model", cfg.AI.LLM.Model, "endpoint", cfg.AI.LLM.Endpoint, "timeout", cfg.AI.LLM.Timeout)
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var ttsService tts.Service
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switch strings.ToLower(cfg.AI.TTS.Provider) {
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case "mimo", "xiaomi":
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ttsService = tts.NewMiMoService(cfg.AI.TTS.APIKey, cfg.AI.TTS.Model, cfg.AI.TTS.Voice, cfg.AI.TTS.Endpoint, cfg.AI.TTS.Timeout, cfg.AI.TTS.HTTPClientTimeout, logger.Log)
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logger.Log.Infow("TTS service initialized", "provider", "mimo", "model", cfg.AI.TTS.Model, "voice", cfg.AI.TTS.Voice, "endpoint", cfg.AI.TTS.Endpoint)
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default:
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ttsService = tts.NewOpenAIService(cfg.AI.TTS.APIKey, cfg.AI.TTS.Model, cfg.AI.TTS.Voice, cfg.AI.TTS.Endpoint, cfg.AI.TTS.Speed, cfg.AI.TTS.Timeout, cfg.AI.TTS.HTTPClientTimeout, logger.Log)
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logger.Log.Infow("TTS service initialized", "provider", "openai", "model", cfg.AI.TTS.Model, "voice", cfg.AI.TTS.Voice, "speed", cfg.AI.TTS.Speed)
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}
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// 初始化 Orchestrator
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orch := orchestrator.New(sttService, llmService, ttsService, sessionMgr, cfg)
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// 初始化认证服务
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tokenMgr := auth.NewTokenManager(
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cfg.Auth.JWTSecret,
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time.Duration(cfg.Auth.AccessTTL)*time.Minute,
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time.Duration(cfg.Auth.RefreshTTL)*time.Minute,
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)
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authService := auth.NewAuthService(tokenMgr, userRepo)
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// Gin 模式
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if cfg.App.Env == "prod" {
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gin.SetMode(gin.ReleaseMode)
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}
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r := gin.New()
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r.Use(gin.Recovery())
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// REST API
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apiGroup := r.Group("/api")
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{
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apiGroup.GET("/health", healthHandler(sessionMgr, cfg))
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}
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// Session REST 端点
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sessionHandler := api.NewSessionHandler(sessionMgr)
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sessionHandler.RegisterRoutes(apiGroup)
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// Auth REST 端点
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authHandler := api.NewAuthHandler(authService, tokenMgr)
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authHandler.RegisterRoutes(apiGroup)
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// Conversation REST 端点
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convHandler := api.NewConversationHandler(sessionMgr, tokenMgr, msgRepo)
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convHandler.RegisterRoutes(apiGroup)
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// WebSocket
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r.GET("/ws", ws.ServeWS(sessionMgr, orch, cfg, tokenMgr))
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// HTTP Server
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srv := &http.Server{
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Addr: cfg.Server.Addr(),
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Handler: r,
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ReadTimeout: time.Duration(cfg.Server.ReadTimeout) * time.Second,
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WriteTimeout: time.Duration(cfg.Server.WriteTimeout) * time.Second,
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}
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// Graceful shutdown
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ctx, stop := signal.NotifyContext(context.Background(), syscall.SIGINT, syscall.SIGTERM)
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defer stop()
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go func() {
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logger.Log.Infow("server starting", "addr", srv.Addr)
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if err := srv.ListenAndServe(); err != nil && !errors.Is(err, http.ErrServerClosed) {
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logger.Log.Fatalw("listen failed", "error", err)
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}
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}()
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<-ctx.Done()
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logger.Log.Info("shutting down...")
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shutdownCtx, cancel := context.WithTimeout(context.Background(), time.Duration(cfg.Server.ShutdownTimeout)*time.Second)
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defer cancel()
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if err := srv.Shutdown(shutdownCtx); err != nil {
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logger.Log.Errorw("shutdown error", "error", err)
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}
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logger.Log.Info("server stopped")
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}
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// healthHandler 健康检查。
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func healthHandler(sessionMgr session.Manager, cfg *config.Config) gin.HandlerFunc {
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return func(c *gin.Context) {
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version := Version
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if version == "" {
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version = cfg.App.Version
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}
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c.JSON(200, gin.H{
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"status": "ok",
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"version": version,
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"uptime_seconds": int(time.Since(startTime).Seconds()),
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"active_sessions": sessionMgr.ActiveCount(),
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})
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}
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}
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