private IEnumerable <ActorIdentity> LookupRemoteActors(string actorType, Func <IEnumerable <ActorIdentity>, IEnumerable <ActorIdentity> > matchActorFunc)
{
var actorLookupCondition = new ActorIdentityLookup()
{
Type = actorType,
};
var actorLookupRequestData = this.ChannelConfiguration.FrameBuilder.ControlFrameDataEncoder.EncodeFrameData(actorLookupCondition);
var actorLookupRequest = new WhereFrame(actorLookupRequestData);
var actorLookupRequestBuffer = this.ChannelConfiguration.FrameBuilder.EncodeFrame(actorLookupRequest);
ManualResetEventSlim waitingResponse = new ManualResetEventSlim(false);
ActorChannelDataReceivedEventArgs lookupResponseEvent = null;
EventHandler <ActorChannelDataReceivedEventArgs> onDataReceived =
(s, e) =>
{
lookupResponseEvent = e;
waitingResponse.Set();
};
_centerChannel.ChannelDataReceived += onDataReceived;
_centerChannel.BeginSend(_centerChannel.Identifier, actorLookupRequestBuffer);
bool lookedup = waitingResponse.Wait(TimeSpan.FromSeconds(15));
_centerChannel.ChannelDataReceived -= onDataReceived;
waitingResponse.Dispose();
if (lookedup && lookupResponseEvent != null)
{
ActorFrameHeader actorLookupResponseFrameHeader = null;
bool isHeaderDecoded = this.ChannelConfiguration.FrameBuilder.TryDecodeFrameHeader(
lookupResponseEvent.Data, lookupResponseEvent.DataOffset, lookupResponseEvent.DataLength,
out actorLookupResponseFrameHeader);
if (isHeaderDecoded && actorLookupResponseFrameHeader.OpCode == OpCode.Here)
{
byte[] payload;
int payloadOffset;
int payloadCount;
this.ChannelConfiguration.FrameBuilder.DecodePayload(
lookupResponseEvent.Data, lookupResponseEvent.DataOffset, actorLookupResponseFrameHeader,
out payload, out payloadOffset, out payloadCount);
var actorLookupResponseData = this.ChannelConfiguration.FrameBuilder.ControlFrameDataDecoder.DecodeFrameData <ActorIdentityCollection>(
payload, payloadOffset, payloadCount);
var actors = actorLookupResponseData != null ? actorLookupResponseData.Items : null;
if (actors != null)
{
_log.DebugFormat("Lookup actors, ActorType[{0}], Count[{1}].", actorType, actors.Count);
var matchedActors = matchActorFunc(actors);
if (matchedActors != null && matchedActors.Any())
{
_log.DebugFormat("Resolve actors, ActorType[{0}], Count[{1}].", actorType, matchedActors.Count());
return(matchedActors);
}
}
}
}
return(null);
}
private IPEndPoint LookupRemoteActorEndPoint(string actorType, Func <IEnumerable <ActorIdentity>, ActorIdentity> matchActorFunc)
{
var actorLookupCondition = new ActorIdentityLookup()
{
Type = actorType,
};
var actorLookupRequestData = _channelConfiguration.FrameBuilder.ControlFrameDataEncoder.EncodeFrameData(actorLookupCondition);
var actorLookupRequest = new WhereFrame(actorLookupRequestData);
var actorLookupRequestBuffer = _channelConfiguration.FrameBuilder.EncodeFrame(actorLookupRequest);
ManualResetEventSlim waitingResponse = new ManualResetEventSlim(false);
ActorDataReceivedEventArgs lookupResponseEvent = null;
EventHandler <ActorDataReceivedEventArgs> onDataReceived =
(s, e) =>
{
lookupResponseEvent = e;
waitingResponse.Set();
};
_centerChannel.DataReceived += onDataReceived;
_centerChannel.BeginSend(_centerActor.Type, _centerActor.Name, actorLookupRequestBuffer);
bool lookedup = waitingResponse.Wait(TimeSpan.FromSeconds(15));
_centerChannel.DataReceived -= onDataReceived;
waitingResponse.Dispose();
if (lookedup && lookupResponseEvent != null)
{
ActorFrameHeader actorLookupResponseFrameHeader = null;
bool isHeaderDecoded = _channelConfiguration.FrameBuilder.TryDecodeFrameHeader(
lookupResponseEvent.Data, lookupResponseEvent.DataOffset, lookupResponseEvent.DataLength,
out actorLookupResponseFrameHeader);
if (isHeaderDecoded && actorLookupResponseFrameHeader.OpCode == OpCode.Here)
{
byte[] payload;
int payloadOffset;
int payloadCount;
_channelConfiguration.FrameBuilder.DecodePayload(
lookupResponseEvent.Data, lookupResponseEvent.DataOffset, actorLookupResponseFrameHeader,
out payload, out payloadOffset, out payloadCount);
var actorLookupResponseData = _channelConfiguration.FrameBuilder.ControlFrameDataDecoder.DecodeFrameData <ActorIdentityCollection>(
payload, payloadOffset, payloadCount);
var actors = actorLookupResponseData != null ? actorLookupResponseData.Items : null;
if (actors != null)
{
_log.DebugFormat("Lookup actors [{0}].", actors.Count);
var actor = matchActorFunc(actors);
if (actor != null)
{
IPAddress actorAddress = ResolveIPAddress(actor.Address);
int actorPort = int.Parse(actor.Port);
var actorEndPoint = new IPEndPoint(actorAddress, actorPort);
return(actorEndPoint);
}
}
}
}
return(null);
}
