Beispiel #1
0
func newSession(
	ctx scope.Context, server *Server, conn *websocket.Conn,
	roomName string, room proto.Room, client *proto.Client, agentKey *security.ManagedKey) *session {

	nextID := atomic.AddUint64(&sessionIDCounter, 1)
	sessionCount.WithLabelValues(roomName).Set(float64(nextID))
	sessionID := fmt.Sprintf("%x-%08x", client.Agent.IDString(), nextID)
	ctx = logging.LoggingContext(ctx, os.Stdout, fmt.Sprintf("[%s] ", sessionID))

	session := &session{
		id:        sessionID,
		ctx:       ctx,
		server:    server,
		conn:      conn,
		identity:  newMemIdentity(client.UserID(), server.ID, server.Era),
		client:    client,
		agentKey:  agentKey,
		serverID:  server.ID,
		serverEra: server.Era,
		roomName:  roomName,
		room:      room,
		backend:   server.b,
		kms:       server.kms,
		heim:      server.heim,

		incoming:     make(chan *proto.Packet),
		outgoing:     make(chan *proto.Packet, 100),
		floodLimiter: ratelimit.NewBucketWithQuantum(time.Second, 50, 10),
	}

	return session
}
Beispiel #2
0
func (j *Job) Exec(ctx scope.Context, f func(scope.Context) error) error {
	if j.JobClaim == nil {
		return ErrJobNotClaimed
	}

	w := io.MultiWriter(os.Stdout, j)
	prefix := fmt.Sprintf("[%s-%s] ", j.Queue.Name(), j.HandlerID)
	deadline := time.Now().Add(j.MaxWorkDuration)
	child := logging.LoggingContext(ctx.ForkWithTimeout(j.MaxWorkDuration), w, prefix)
	if err := f(child); err != nil {
		if err != scope.TimedOut {
			delay := time.Duration(j.AttemptsMade+1) * BackoffDuration
			if time.Now().Add(delay).After(deadline) {
				delay = deadline.Sub(time.Now())
			}
			time.Sleep(delay)
		}
		if ferr := j.Fail(ctx, err.Error()); ferr != nil {
			return ferr
		}
		return err
	}

	if err := j.Complete(ctx); err != nil {
		return err
	}

	return nil
}
Beispiel #3
0
func Run(args []string) {
	out = tabwriter.NewWriter(os.Stdout, 0, 8, 1, '\t', 0)

	if len(args) == 0 {
		generalHelp()
		return
	}

	exe := filepath.Base(os.Args[0])
	cmd, ok := subcommands[args[0]]
	if !ok {
		fmt.Fprintf(os.Stderr, "%s: invalid command: %s\n", exe, args[0])
		fmt.Fprintf(os.Stderr, "Run '%s help' for usage.\n", exe)
		os.Exit(2)
	}

	flags := cmd.flags()
	if err := flags.Parse(args[1:]); err != nil {
		fmt.Fprintf(os.Stderr, "%s %s: %s\n", exe, args[0], err)
		os.Exit(2)
	}

	ctx := logging.LoggingContext(scope.New(), os.Stdout, fmt.Sprintf("[%s] ", args[0]))
	logging.Logger(ctx).Printf("starting up")
	if err := cmd.run(ctx, flags.Args()); err != nil {
		fmt.Fprintln(os.Stderr, err.Error())
		os.Exit(1)
	}

	timeout := time.After(10 * time.Second)
	completed := make(chan struct{})
	go func() {
		ctx.WaitGroup().Wait()
		close(completed)
	}()

	fmt.Println("waiting for graceful shutdown...")
	select {
	case <-timeout:
		fmt.Println("timed out")
		os.Exit(1)
	case <-completed:
		fmt.Println("ok")
		os.Exit(0)
	}
}