private void ProcessReceivedBytes(byte[] buffer, int offset, int bytesTransferred)
{
while (bytesTransferred > 0)
{
if (!_handshakeCompleted)
{
var isCompleted = _handshakeFrame.Read(buffer, ref offset, ref bytesTransferred);
if (!isCompleted)
{
return;
}
HandshakeReceived(this, new HandshakeFrameReceivedEventArgs(_handshakeFrame));
_handshakeFrame.ResetRead();
continue;
}
switch (_frameType)
{
case FrameType.Unknown:
var flags = (FrameFlags)buffer[offset];
if ((flags & FrameFlags.ExtensionFrame) != 0)
{
_frameType = FrameType.Extension;
}
else if ((flags & FrameFlags.CommandFrame) != 0)
{
_frameType = FrameType.Command;
}
else
{
_frameType = FrameType.Message;
}
//do not increase offset, let the frame handle the flags.
//only peek it to be able to switch state
break;
case FrameType.Message:
var isCompleted = _inboundMessage.Read(buffer, ref offset, ref bytesTransferred);
if (isCompleted)
{
MessageFrameReceived(_inboundMessage);
_inboundMessage.ResetRead();
_frameType = FrameType.Unknown;
}
break;
case FrameType.Extension:
var isCompleted2 = _extensionFrameProcessor.Read(buffer, ref offset, ref bytesTransferred);
if (isCompleted2)
{
_frameType = FrameType.Unknown;
}
break;
}
}
}
