private Response Send(Request request, bool responseAvailable)
{
using (var memoryStream = new BinaryMemoryStream())
{
memoryStream.Writer.Write((short) request.RequestType);
request.WriteToStream(memoryStream);
var data = memoryStream.ToArray();
_socket.Send(data);
}
if (!responseAvailable)
return null;
var result = _socket.Recv();
using (var stream = new BinaryMemoryStream(result))
{
var responseType = (ResponseType) stream.Reader.ReadInt16();
switch (responseType)
{
case ResponseType.BrokerInfoResponse:
return BrokerInfoResponse.ReadFromStream(stream);
case ResponseType.FetchResponse:
return FetchResponse.ReadFromStream(stream);
case ResponseType.MultiFetchResponse:
return MultiFetchResponse.ReadFromStream(stream);
}
return null;
}
}
public void Run(CancellationToken token)
{
using (Socket socket = CreateSocket(_socketType))
{
// Bind to address
socket.Bind(_address);
// Process while canellation not requested
while (!token.IsCancellationRequested)
{
// Waits for messages
var data = socket.Recv();
if (data == null) continue;
Response response = null;
using (var buffer = new BinaryMemoryStream(data))
{
// by request type we can distinguish actual request
var requestType = (RequestType)buffer.Reader.ReadInt16();
var handler = _handlerMapping(requestType, buffer);
response = handler(buffer);
}
if (response != null)
{
using (var buffer = new BinaryMemoryStream())
{
buffer.Writer.Write((short) response.ResponseType);
response.WriteToStream(buffer);
socket.Send(buffer.ToArray());
}
}
}
}
}