hex-bot
90fd028bfc
- Add internal/clients/moonraker.go: HTTP client for Moonraker REST API - Add internal/clients/mqtt.go: MQTT client via paho.mqtt.golang with TLS support - Add internal/workers/moonraker_poller.go: background polling, usage logging, SSE broadcasts - Add internal/workers/mqtt_subscriber.go: per-printer MQTT subscriber, Bambu telemetry parsing, SSE broadcasts - Wire workers into cmd/server/main.go (Start/Stop with graceful shutdown) Blocked at step 4: go toolchain not installed on build host
111 lines
2.9 KiB
Go
111 lines
2.9 KiB
Go
package main
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import (
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"context"
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"log/slog"
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"net/http"
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"os"
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"os/signal"
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"syscall"
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"time"
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"github.com/CubeCraft-Creations/Extrudex/backend/internal/config"
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"github.com/CubeCraft-Creations/Extrudex/backend/internal/db"
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"github.com/CubeCraft-Creations/Extrudex/backend/internal/repositories"
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"github.com/CubeCraft-Creations/Extrudex/backend/internal/router"
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"github.com/CubeCraft-Creations/Extrudex/backend/internal/sse"
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"github.com/CubeCraft-Creations/Extrudex/backend/internal/workers"
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)
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func main() {
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// Setup structured logging
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slog.SetDefault(slog.New(slog.NewTextHandler(os.Stdout, &slog.HandlerOptions{
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Level: slog.LevelInfo,
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})))
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// Load configuration
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cfg, err := config.Load()
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if err != nil {
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slog.Error("failed to load config", "error", err)
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os.Exit(1)
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}
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slog.Info("config loaded", "port", cfg.Port, "cors_origin", cfg.CorsOrigin)
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// Connect to database
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dbPool, err := db.NewPool(cfg.DatabaseURL)
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if err != nil {
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slog.Error("failed to connect to database", "error", err)
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os.Exit(1)
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}
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defer db.ClosePool(dbPool)
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slog.Info("database connected")
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// Repositories (for background workers)
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printerRepo := repositories.NewPrinterRepository(dbPool)
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jobRepo := repositories.NewPrintJobRepository(dbPool)
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usageLogRepo := repositories.NewUsageLogRepository(dbPool)
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// Create SSE broadcaster and start it
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sseBC := sse.NewBroadcaster(128)
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sseBC.Start()
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defer sseBC.Stop()
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slog.Info("sse broadcaster started")
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// Start background workers
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mrCfg := workers.DefaultMoonrakerPollerConfig()
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mrPoller := workers.NewMoonrakerPoller(mrCfg, dbPool, printerRepo, jobRepo, usageLogRepo, sseBC)
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mrPoller.Start()
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defer mrPoller.Stop()
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mqttCfg := workers.DefaultMQTTSubscriberConfig()
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mqttSub := workers.NewMQTTSubscriber(mqttCfg, dbPool, printerRepo, usageLogRepo, sseBC)
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mqttSub.Start()
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defer mqttSub.Stop()
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slog.Info("background workers started")
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// Create router
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r := router.New(cfg, dbPool, sseBC)
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// Create HTTP server
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// WriteTimeout is 0 for SSE support — the Chi middleware.Timeout(60s)
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// handles request-level timeouts on non-SSE routes.
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server := &http.Server{
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Addr: ":" + cfg.Port,
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Handler: r,
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ReadTimeout: 15 * time.Second,
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WriteTimeout: 0, // disabled for SSE long-lived connections
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IdleTimeout: 60 * time.Second,
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}
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// Start server in goroutine
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go func() {
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slog.Info("server starting", "addr", server.Addr)
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if err := server.ListenAndServe(); err != nil && err != http.ErrServerClosed {
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slog.Error("server error", "error", err)
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os.Exit(1)
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}
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}()
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// Wait for shutdown signal
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quit := make(chan os.Signal, 1)
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signal.Notify(quit, syscall.SIGINT, syscall.SIGTERM)
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<-quit
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slog.Info("server shutting down")
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// Graceful shutdown
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ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
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defer cancel()
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if err := server.Shutdown(ctx); err != nil {
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slog.Error("server shutdown error", "error", err)
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}
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db.ClosePool(dbPool)
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slog.Info("server stopped")
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}
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