private void ProcessPingPong()
{
var contentLength = _pongBuffer.Count;
if (CurrentHeader.ContentLength < 125)
{
contentLength = (int)CurrentHeader.ContentLength;
}
var readed = 0;
while (CurrentHeader.RemainingBytes > 0)
{
readed = _clientStream.Read(_pongBuffer.Array, _pongBuffer.Offset + readed, contentLength - readed);
CurrentHeader.DecodeBytes(_pongBuffer.Array, _pongBuffer.Offset, readed);
}
if (CurrentHeader.Flags.Option == WebSocketFrameOption.Pong)
{
_ping.NotifyPong(_pongBuffer);
}
else
{// pong frames echo what was 'pinged'
WriteInternal(_pongBuffer, readed, true, false, WebSocketFrameOption.Pong, WebSocketExtensionFlags.None);
}
}
private void ProcessControlFrame(Stream clientStream)
{
switch (CurrentHeader.Flags.Option)
{
case WebSocketFrameOption.Continuation:
case WebSocketFrameOption.Text:
case WebSocketFrameOption.Binary:
throw new WebSocketException("Text, Continuation or Binary are not protocol frames");
case WebSocketFrameOption.ConnectionClose:
this.Close(WebSocketCloseReasons.NormalClose);
break;
case WebSocketFrameOption.Ping:
case WebSocketFrameOption.Pong:
Int32 contentLength = _pongBuffer.Count;
if (CurrentHeader.ContentLength < 125)
{
contentLength = (Int32)CurrentHeader.ContentLength;
}
Int32 readed = 0;
while (CurrentHeader.RemainingBytes > 0)
{
readed = clientStream.Read(_pongBuffer.Array, _pongBuffer.Offset + readed, contentLength - readed);
CurrentHeader.DecodeBytes(_pongBuffer.Array, _pongBuffer.Offset, readed);
}
if (CurrentHeader.Flags.Option == WebSocketFrameOption.Pong)
{
_ping.NotifyPong(_pongBuffer);
}
else // pong frames echo what was 'pinged'
{
this.WriteInternal(_pongBuffer, readed, true, false, WebSocketFrameOption.Pong, WebSocketExtensionFlags.None);
}
break;
default: throw new WebSocketException("Unexpected header option '" + CurrentHeader.Flags.Option.ToString() + "'");
}
}