134 lines
3.2 KiB
Go
134 lines
3.2 KiB
Go
package main
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import (
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"context"
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"fmt"
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"log"
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"log/slog"
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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/tolelom/catacombs/config"
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"github.com/tolelom/catacombs/game"
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"github.com/tolelom/catacombs/server"
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"github.com/tolelom/catacombs/store"
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"github.com/tolelom/catacombs/web"
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)
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func main() {
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os.MkdirAll("data", 0755)
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logger := slog.New(slog.NewJSONHandler(os.Stdout, &slog.HandlerOptions{
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Level: slog.LevelInfo,
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}))
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slog.SetDefault(logger)
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cfg, err := config.Load("config.yaml")
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if err != nil {
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if os.IsNotExist(err) {
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cfg, _ = config.Load("")
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} else {
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log.Fatalf("Failed to load config: %v", err)
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}
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}
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db, err := store.Open("data/catacombs.db")
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if err != nil {
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log.Fatalf("Failed to open database: %v", err)
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}
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defer db.Close()
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lobby := game.NewLobby(cfg)
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startTime := time.Now()
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sshAddr := fmt.Sprintf("0.0.0.0:%d", cfg.Server.SSHPort)
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webAddr := fmt.Sprintf(":%d", cfg.Server.HTTPPort)
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// Start web server (non-blocking, returns *http.Server)
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webServer := web.Start(webAddr, cfg.Server.SSHPort, lobby, db, startTime)
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// Create SSH server
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sshServer, err := server.NewServer(sshAddr, lobby, db)
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if err != nil {
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log.Fatalf("Failed to create SSH server: %v", err)
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}
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// Start backup scheduler
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backupDone := make(chan struct{})
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go backupScheduler(db, cfg.Backup, backupDone)
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// Start SSH server in background
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sshErrCh := make(chan error, 1)
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go func() {
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slog.Info("starting SSH server", "addr", sshAddr)
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sshErrCh <- sshServer.ListenAndServe()
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}()
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slog.Info("server starting", "ssh_port", cfg.Server.SSHPort, "http_port", cfg.Server.HTTPPort)
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// Wait for shutdown signal or SSH server error
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sigCh := make(chan os.Signal, 1)
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signal.Notify(sigCh, syscall.SIGINT, syscall.SIGTERM)
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select {
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case sig := <-sigCh:
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slog.Info("shutdown signal received", "signal", sig)
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case err := <-sshErrCh:
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if err != nil {
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slog.Error("SSH server error", "error", err)
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}
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}
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// Graceful shutdown
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slog.Info("starting graceful shutdown")
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// Stop backup scheduler
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close(backupDone)
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// Shutdown web server (5s timeout)
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ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer cancel()
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if err := webServer.Shutdown(ctx); err != nil {
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slog.Error("web server shutdown error", "error", err)
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}
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// Shutdown SSH server (10s timeout for active sessions)
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ctx2, cancel2 := context.WithTimeout(context.Background(), 10*time.Second)
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defer cancel2()
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if err := sshServer.Shutdown(ctx2); err != nil {
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slog.Error("SSH server shutdown error", "error", err)
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}
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// Final backup before exit
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if path, err := db.Backup(cfg.Backup.Dir); err != nil {
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slog.Error("final backup failed", "error", err)
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} else {
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slog.Info("final backup completed", "path", path)
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}
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slog.Info("server stopped")
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}
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func backupScheduler(db *store.DB, cfg config.BackupConfig, done chan struct{}) {
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if cfg.IntervalMin <= 0 {
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return
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}
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ticker := time.NewTicker(time.Duration(cfg.IntervalMin) * time.Minute)
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defer ticker.Stop()
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for {
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select {
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case <-done:
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return
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case <-ticker.C:
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if path, err := db.Backup(cfg.Dir); err != nil {
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slog.Error("scheduled backup failed", "error", err)
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} else {
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slog.Info("scheduled backup completed", "path", path)
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}
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}
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}
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}
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