Exemple #1
0
        private void MemberLeft(MemberLeftEvent msg, IContext context)
        {
            _logger.LogInformation($"Kind {_kind} Member Left {msg.Address}");
            foreach (var(actorId, pid) in _partition.ToArray())
            {
                if (pid.Address == msg.Address)
                {
                    _partition.Remove(actorId);
                    _reversePartition.Remove(pid);
                }
            }

            //If the left member is self, transfer remaining pids to others
            if (msg.Address == ProcessRegistry.Instance.Address)
            {
                //TODO: right now we transfer ownership on a per actor basis.
                //this could be done in a batch
                //ownership is also racy, new nodes should maybe forward requests to neighbours (?)
                foreach (var(actorId, _) in _partition.ToArray())
                {
                    var address = MemberList.GetPartition(actorId, _kind);

                    if (!string.IsNullOrEmpty(address))
                    {
                        TransferOwnership(actorId, address, context);
                    }
                }
            }
        }
 private void MemberLeft(MemberLeftEvent msg)
 {
     _logger.LogInformation("Member Left {0}", msg.Address);
     foreach (var(actorId, pid) in _partition.ToArray())
     {
         if (pid.Address == msg.Address)
         {
             _partition.Remove(actorId);
         }
     }
 }
Exemple #3
0
        private void Notify(MemberStatus @new, MemberStatus old)
        {
            if (@new == null && old == null)
            {
                return; //ignore
            }

            if (@new == null)
            {
                //notify left
                var left = new MemberLeftEvent(old.Host, old.Port, old.Kinds);
                Actor.EventStream.Publish(left);
                _members.Remove(old.Address);
                var endpointTerminated = new EndpointTerminatedEvent
                {
                    Address = old.Address
                };
                Actor.EventStream.Publish(endpointTerminated);

                return;
            }

            if (old == null)
            {
                //notify joined
                var joined = new MemberJoinedEvent(@new.Host, @new.Port, @new.Kinds);
                Actor.EventStream.Publish(joined);
                return;
            }

            if (@new.MemberId != old.MemberId)
            {
                var rejoined = new MemberRejoinedEvent(@new.Host, @new.Port, @new.Kinds);
                Actor.EventStream.Publish(rejoined);
                return;
            }

            if (old.Alive && [email protected])
            {
                var unavailable = new MemberUnavailableEvent(@new.Host, @new.Port, @new.Kinds);
                Actor.EventStream.Publish(unavailable);
                return;
            }

            if (@new.Alive && !old.Alive)
            {
                var available = new MemberAvailableEvent(@new.Host, @new.Port, @new.Kinds);
                Actor.EventStream.Publish(available);
            }
        }
        private static void UpdateAndNotify(MemberStatus @new, MemberStatus old)
        {
            if (@new == null && old == null)
            {
                return; //ignore
            }

            if (@new == null)
            {
                //update MemberStrategy
                foreach (var k in old.Kinds)
                {
                    if (MemberStrategyByKind.TryGetValue(k, out var ms))
                    {
                        ms.RemoveMember(old);
                        if (ms.GetAllMembers().Count == 0)
                        {
                            MemberStrategyByKind.Remove(k);
                        }
                    }
                }

                //notify left
                var left = new MemberLeftEvent(old.Host, old.Port, old.Kinds);
                Actor.EventStream.Publish(left);
                Members.Remove(old.Address);
                var endpointTerminated = new EndpointTerminatedEvent
                {
                    Address = old.Address
                };
                Actor.EventStream.Publish(endpointTerminated);
                return;
            }

            if (old == null)
            {
                //update MemberStrategy
                foreach (var k in @new.Kinds)
                {
                    if (!MemberStrategyByKind.ContainsKey(k))
                    {
                        MemberStrategyByKind[k] = Cluster.Config.MemberStrategyBuilder(k);
                    }
                    MemberStrategyByKind[k].AddMember(@new);
                }

                //notify joined
                var joined = new MemberJoinedEvent(@new.Host, @new.Port, @new.Kinds);
                Actor.EventStream.Publish(joined);
                return;
            }

            //update MemberStrategy
            if (@new.Alive != old.Alive || @new.MemberId != old.MemberId || @new.StatusValue != null && [email protected](old.StatusValue))
            {
                foreach (var k in @new.Kinds)
                {
                    if (MemberStrategyByKind.TryGetValue(k, out var ms))
                    {
                        ms.UpdateMember(@new);
                    }
                }
            }

            //notify changes
            if (@new.MemberId != old.MemberId)
            {
                var rejoined = new MemberRejoinedEvent(@new.Host, @new.Port, @new.Kinds);
                Actor.EventStream.Publish(rejoined);
            }
        }