protected override void DoWork()
{
if (!NetworkStream.CanRead)
{
return;
}
int length = 0;
try
{
Array.Clear(_data, 0, _data.Length);
// Receive header first - 4 bytes indicating total packet length
length = ReceiveHeader();
// Receive actual packet
ReceivePayload(length);
// Invoke event
var eventArgs = new PacketReceivedEventArgs(_data, length);
PacketReceived?.Invoke(this, eventArgs);
}
catch (ArgumentOutOfRangeException)
{
Logger.LogWarning("Received message, length bytes error (invalid protocol), len: " + length);
}
catch (IOException ex) when(ex.InnerException is SocketException innerEx && innerEx.SocketErrorCode == SocketError.TimedOut)
{
// Receive timeout
// Swallow
}
catch (IOException ex)
{
// Critical fault - probably need to restart connection
var eventArgs = new FaultExceptionEventArgs(ex);
ReceiverNetworkFault?.Invoke(this, eventArgs);
}
}
private void _receiverWorker_PacketReceived(object sender, PacketReceivedEventArgs args) => PacketReceived?.Invoke(sender, args);
