OutboundConnectionHandler(StreamsTransport transport, Address remoteAddress, EndPoint remoteSocketAddr)
{
var settings = transport.Settings;
var transmissionHandle =
Source.ActorRef <Google.Protobuf.ByteString>(settings.BufferedMessages, OverflowStrategy.Backpressure);
var fromLocalActors = FromProtobuf().Via(Encode(4, settings.MaxFrameSize, settings.ByteOrder));
var fromRemoteActors = Decode(4, settings.MaxFrameSize, settings.ByteOrder).Via(ToProtobuf());
var transmissionRef = transmissionHandle.PreMaterialize(transport.StreamMaterializer);
var finalOutput = new RemoteOutboundAssociationSink(transport, remoteAddress, remoteSocketAddr, transmissionRef.Item1);
var dsl = GraphDsl.Create(finalOutput, (builder, remoteOutput) =>
{
// local stages
var localInput = builder.Add(transmissionRef.Item2);
var compilerCeremony = builder.Add(Flow.Create <Google.Protobuf.ByteString>());
var local = builder.Add(fromLocalActors);
var merge = builder.Add(new Merge <Google.Protobuf.ByteString, Google.Protobuf.ByteString>(2, false));
builder.From(localInput.Outlet).To(merge.In(0));
builder.From(compilerCeremony.Outlet).To(merge.In(1));
builder.From(merge.Out).To(local.Inlet);
// remote stages
var remote = builder.Add(fromRemoteActors);
builder.From(remote.Outlet).To(remoteOutput.Inlet);
return(new BidiShape <ByteString, Google.Protobuf.ByteString, Google.Protobuf.ByteString, ByteString>(remote.Inlet, remote.Outlet, compilerCeremony.Inlet, local.Outlet));
});
return(BidiFlow.FromGraph(dsl));
}
public RemoteOutboundAssociationLogic(RemoteOutboundAssociationSink sink, TaskCompletionSource <AssociationHandle> associationCompletion)
: base(sink.Shape)
{
_associationCompletion = associationCompletion;
_sink = sink;
// start off by buffering pending messages until the association process completes
SetHandler(_sink.In, () => Buffer(Grab(_sink.In)), Finish, OnUpstreamFailure);
}