diff --git a/main.go b/main.go index 7f02be9..509e138 100644 --- a/main.go +++ b/main.go @@ -1,10 +1,13 @@ package main import ( + "context" "fmt" "log" "log/slog" "os" + "os/signal" + "syscall" "time" "github.com/tolelom/catacombs/config" @@ -38,16 +41,93 @@ func main() { defer db.Close() lobby := game.NewLobby(cfg) + startTime := time.Now() sshAddr := fmt.Sprintf("0.0.0.0:%d", cfg.Server.SSHPort) webAddr := fmt.Sprintf(":%d", cfg.Server.HTTPPort) - startTime := time.Now() + // Start web server (non-blocking, returns *http.Server) webServer := web.Start(webAddr, cfg.Server.SSHPort, lobby, db, startTime) - _ = webServer // used later for graceful shutdown + + // Create SSH server + sshServer, err := server.NewServer(sshAddr, lobby, db) + if err != nil { + log.Fatalf("Failed to create SSH server: %v", err) + } + + // Start backup scheduler + backupDone := make(chan struct{}) + go backupScheduler(db, cfg.Backup, backupDone) + + // Start SSH server in background + sshErrCh := make(chan error, 1) + go func() { + slog.Info("starting SSH server", "addr", sshAddr) + sshErrCh <- sshServer.ListenAndServe() + }() slog.Info("server starting", "ssh_port", cfg.Server.SSHPort, "http_port", cfg.Server.HTTPPort) - if err := server.Start(sshAddr, lobby, db); err != nil { - log.Fatal(err) + + // Wait for shutdown signal or SSH server error + sigCh := make(chan os.Signal, 1) + signal.Notify(sigCh, syscall.SIGINT, syscall.SIGTERM) + + select { + case sig := <-sigCh: + slog.Info("shutdown signal received", "signal", sig) + case err := <-sshErrCh: + if err != nil { + slog.Error("SSH server error", "error", err) + } + } + + // Graceful shutdown + slog.Info("starting graceful shutdown") + + // Stop backup scheduler + close(backupDone) + + // Shutdown web server (5s timeout) + ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second) + defer cancel() + if err := webServer.Shutdown(ctx); err != nil { + slog.Error("web server shutdown error", "error", err) + } + + // Shutdown SSH server (10s timeout for active sessions) + ctx2, cancel2 := context.WithTimeout(context.Background(), 10*time.Second) + defer cancel2() + if err := sshServer.Shutdown(ctx2); err != nil { + slog.Error("SSH server shutdown error", "error", err) + } + + // Final backup before exit + if path, err := db.Backup(cfg.Backup.Dir); err != nil { + slog.Error("final backup failed", "error", err) + } else { + slog.Info("final backup completed", "path", path) + } + + slog.Info("server stopped") +} + +func backupScheduler(db *store.DB, cfg config.BackupConfig, done chan struct{}) { + if cfg.IntervalMin <= 0 { + return + } + ticker := time.NewTicker(time.Duration(cfg.IntervalMin) * time.Minute) + defer ticker.Stop() + + for { + select { + case <-done: + return + case <-ticker.C: + if path, err := db.Backup(cfg.Dir); err != nil { + slog.Error("scheduled backup failed", "error", err) + } else { + slog.Info("scheduled backup completed", "path", path) + } + } } }