Ejemplo n.º 1
0
        public static bool SetPeerRespondingState(this IPeerRepository repository, PeerId peerId, bool isResponding, DateTime timestampUtc)
        {
            var peer = repository.Get(peerId);

            if (peer == null || peer.TimestampUtc > timestampUtc)
            {
                return(false);
            }

            peer.Peer.IsResponding = isResponding;
            peer.TimestampUtc      = timestampUtc;
            repository.AddOrUpdatePeer(peer);

            return(true);
        }
Ejemplo n.º 2
0
        public Task RegisterAsync(IBus bus, Peer self, IEnumerable <Subscription> subscriptions)
        {
            _self = self;

            var selfDescriptor = new PeerDescriptor(self.Id, self.EndPoint, false, self.IsUp, self.IsResponding, SystemDateTime.UtcNow, subscriptions.ToArray())
            {
                HasDebuggerAttached = Debugger.IsAttached
            };

            _peerRepository.AddOrUpdatePeer(selfDescriptor);
            _pingStopwatch.Restart();

            bus.Publish(new PeerStarted(selfDescriptor));

            Registered?.Invoke();

            return(Task.CompletedTask);
        }
Ejemplo n.º 3
0
        public void Handle(RegisterPeerCommand message)
        {
            if (_blacklistedMachines.Contains(Context !.Originator.SenderMachineName !))
            {
                throw new InvalidOperationException($"Peer {Context.SenderId} on host {Context.Originator.SenderMachineName} is not allowed to register on this directory");
            }

            var peerTimestampUtc = message.Peer.TimestampUtc;

            if (!peerTimestampUtc.HasValue)
            {
                throw new InvalidOperationException("The TimestampUtc must be provided when registering");
            }

            var utcNow = SystemDateTime.UtcNow;

            if (_configuration.MaxAllowedClockDifferenceWhenRegistering != null && peerTimestampUtc.Value > utcNow + _configuration.MaxAllowedClockDifferenceWhenRegistering)
            {
                throw new InvalidOperationException($"The client provided timestamp [{peerTimestampUtc}] is too far ahead of the the server's current time [{utcNow}]");
            }

            var stopwatch      = Stopwatch.StartNew();
            var peerDescriptor = message.Peer;

            peerDescriptor.Peer.IsUp         = true;
            peerDescriptor.Peer.IsResponding = true;

            var existingPeer = _peerRepository.Get(peerDescriptor.PeerId);

            if (IsPeerInConflict(existingPeer, peerDescriptor))
            {
                throw new DomainException(DirectoryErrorCodes.PeerAlreadyExists, string.Format("Peer {0} already exists (running on {1})", peerDescriptor.PeerId, existingPeer.Peer.EndPoint));
            }

            _peerRepository.RemoveAllDynamicSubscriptionsForPeer(peerDescriptor.PeerId, DateTime.SpecifyKind(peerDescriptor.TimestampUtc !.Value, DateTimeKind.Utc));
            _peerRepository.AddOrUpdatePeer(peerDescriptor);
            _bus.Publish(new PeerStarted(peerDescriptor));

            var registredPeerDescriptors = _peerRepository.GetPeers(loadDynamicSubscriptions: true);

            _bus.Reply(new RegisterPeerResponse(registredPeerDescriptors.ToArray()));
            _speedReporter.ReportRegistrationDuration(stopwatch.Elapsed);
        }
Ejemplo n.º 4
0
        public static PeerDescriptor UpdatePeerSubscriptions(this IPeerRepository repository, PeerId peerId, Subscription[] subscriptions, DateTime?timestampUtc)
        {
            var peerDescriptor = repository.Get(peerId);

            if (peerDescriptor == null)
            {
                throw new InvalidOperationException(string.Format("The specified Peer ({0}) does not exist.", peerId));
            }

            if (peerDescriptor.TimestampUtc > timestampUtc)
            {
                return(null);
            }

            peerDescriptor.TimestampUtc  = timestampUtc;
            peerDescriptor.Subscriptions = subscriptions;
            repository.AddOrUpdatePeer(peerDescriptor);

            return(peerDescriptor);
        }
Ejemplo n.º 5
0
 public void AddOrUpdatePeerEntry(PeerDescriptor peerDescriptor)
 {
     _peerRepository.AddOrUpdatePeer(peerDescriptor);
 }