// STREAM流，建立连接通信
public BaseStream CreateStream(Head create, StreamType st)
{
BaseStream stream;
switch (st)
{
case StreamType.Call_RW:
stream = new CallRWStream();
break;
case StreamType.Send_W:
stream = new SendWStream();
break;
case StreamType.Stream_RW:
stream = new StreamReadWrightStream();
break;
case StreamType.Stream_R:
stream = new StreamReadStream();
break;
case StreamType.Stream_W:
stream = new StreamWrightStream();
break;
default:
stream = new OldPLStream();
break;
}
Streams.Add(stream.StreamId, stream);
stream.StreamCreate(create, this);
return(stream);
}
// 有返回值RPC CALL
public async Task <IMessage> CallAsync(Head request)
{
CallRWStream stream = new CallRWStream();
Streams.Add(stream.StreamId, stream);
return(await stream.StreamWrightAsync(request, this));
}
// 有返回值RPC CALL，可以取消
public async Task <IMessage> CallAsync(Head request, CancellationToken cancellationToken)
{
CallRWStream stream = new CallRWStream();
Streams.Add(stream.StreamId, stream);
cancellationToken.Register(() => this.Streams.Remove(stream.StreamId));
Send(request);
return(await stream.StreamWrightAsync(request, this));
}
