Implementation of failure detector using an absolute timeout of missing heartbeats to trigger unavailability
Inheritance: Akka.Remote.FailureDetector
Example #1
0
        public ClusterClient(ClusterClientSettings settings)
        {
            if (settings.InitialContacts.Count == 0)
            {
                throw new ArgumentException("Initial contacts for cluster client cannot be empty");
            }

            _settings = settings;
            _failureDetector = new DeadlineFailureDetector(_settings.AcceptableHeartbeatPause, _settings.HeartbeatInterval);

            _contactPaths = settings.InitialContacts.ToImmutableHashSet();
            _initialContactsSelections = _contactPaths.Select(Context.ActorSelection).ToArray();
            _contacts = _initialContactsSelections;

            SendGetContacts();

            _contactPathsPublished = ImmutableHashSet<ActorPath>.Empty;
            _subscribers = ImmutableList<IActorRef>.Empty;

            _heartbeatTask = Context.System.Scheduler.ScheduleTellRepeatedlyCancelable(
                settings.HeartbeatInterval,
                settings.HeartbeatInterval,
                Self,
                HeartbeatTick.Instance,
                Self);

            _refreshContactsCancelable = null;
            ScheduleRefreshContactsTick(settings.EstablishingGetContactsInterval);
            Self.Tell(RefreshContactsTick.Instance);

            _buffer = new Queue<Tuple<object, IActorRef>>();
        }
Example #2
0
        public ClusterClient(ClusterClientSettings settings)
        {
            if (!settings.InitialContacts.Any()) throw new ArgumentException("Initial contacts for cluster client cannot be empty");
            Settings = settings;
            _failureDetector = new DeadlineFailureDetector(Settings.AcceptableHeartbeatPause, () => Settings.HeartbeatInterval.Ticks);
            _initialContactsSelections = settings.InitialContacts.Select(Context.ActorSelection).ToArray();
            _contacts = _initialContactsSelections;
            _buffer = new Queue<Tuple<object, IActorRef>>();

            SendGetContacts();

            _heartbeatCancelable = Context.System.Scheduler.ScheduleTellRepeatedlyCancelable(
                settings.HeartbeatInterval, settings.HeartbeatInterval, Self, InternalMessage.HeartbeatTick, Self);

            ScheduleRefreshContactsTick(settings.EstablishingGetContactsInterval);
            Self.Tell(InternalMessage.RefreshContactsTick);
        }