private bool SendStart()
{
Debug.Assert(_state == State.Buffering);
Debug.Assert(_sending.Count == 0);
if (_pushed.Count == 0)
{
// simple case - only the _tail.Data needs to be transmit
_socketEvent.BufferList = null;
_socketEvent.SetBuffer(_tail.Data.Array, _tail.Data.Offset, _tail.Data.Count);
}
else
{
// complex case - move _pushed segments to _sending
var empty = _sending;
_sending = _pushed;
_pushed = empty;
// make a buffer list of all _sending[].Data and _tail.Data
var bufferList = new ArraySegment <byte> [_sending.Count + 1];
for (var index = 0; index != _sending.Count; ++index)
{
bufferList[index] = _sending[index].Data;
}
bufferList[_sending.Count] = _tail.Data;
if (_socketEvent.Buffer != null)
{
_socketEvent.SetBuffer(null, 0, 0);
}
_socketEvent.BufferList = bufferList;
}
// cursor is advanced past this point, further buffering will copy after this mark
_tail.Data = new ArraySegment <byte>(_tail.Data.Array, _tail.Data.Offset + _tail.Data.Count, 0);
// alloc an action field lazily. assign that field to this property only while an async operation is outstanding
if (_socketEventCompleted == null)
{
_socketEventCompleted = SocketEventCompleted;
}
_socketEvent.Completed = _socketEventCompleted;
if (!_socket.SendAsync(_socketEvent))
{
_socketEvent.Completed = null;
return(false);
}
return(true);
}
public void Execute()
{
_services.Trace.Event(TraceEventType.Start, TraceMessage.Connection);
_baton = new Baton(_services.Memory);
_fault = ex => { Debug.WriteLine(ex.Message); };
_receiveSocketEvent = _services.Memory.AllocSocketEvent();
_receiveSocketEvent.SetBuffer(_services.Memory.Empty, 0, 0);
_frameConsumeCallback = frame =>
{
try
{
Go(false, frame);
}
catch (Exception ex)
{
_fault(ex);
}
};
try
{
_socket.Blocking = false;
_socket.NoDelay = true;
Go(true, null);
}
catch (Exception ex)
{
_fault(ex);
}
}
public void Execute()
{
_services.Trace.Event(TraceEventType.Start, TraceMessage.Connection);
_baton = new Baton(_services.Memory);
_fault = ex => { Debug.WriteLine(ex.Message); };
_receiveSocketEvent = _services.Memory.AllocSocketEvent();
_receiveSocketEvent.SetBuffer(_services.Memory.Empty, 0, 0);
_frameConsumeCallback = (frame, error) =>
{
if (error != null)
{
_fault(error);
}
try
{
Go(false, frame);
}
catch (Exception ex)
{
_fault(ex);
}
};
try
{
_socket.Blocking = false;
_socket.NoDelay = true;
Go(true, null);
}
catch (Exception ex)
{
_fault(ex);
}
}
