/// <summary>
/// Reads socket and processes packet
/// </summary>
/// <param name="socket">The active socket.</param>
protected virtual void OnSocket(Socket socket)
{
try
{
if (socket.Poll(-1, SelectMode.SelectRead))
{
var args = new ClientConnectedEventArgs(socket, Logger, _bufferSize);
EndPoint remoteEndPoint = new IPEndPoint(0, 0);
if (socket.Available == 0)
{
return;
}
args.ChannelBuffer.BytesTransferred = socket.ReceiveFrom(args.ChannelBuffer.Buffer,
SocketFlags.None, ref remoteEndPoint);
args.Channel.RemoteEndpoint = remoteEndPoint;
if (args.ChannelBuffer.BytesTransferred > 0)
{
OnClientConnected(args);
if (args.AllowConnect == false)
{
if (args.Response != null)
{
int sentBytes;
while ((sentBytes = args.Response.Read(_sendBuffer, 0, _sendBuffer.Length)) > 0)
{
socket.Send(_sendBuffer, sentBytes, SocketFlags.None);
}
}
Logger?.LogDebug(
"PACKET request on {LocalEndPoint} from {RemoteEndPoint} with channel id {ChannelId} was denied access to connect.",
socket.LocalEndPoint,
args.Channel.RemoteEndpoint,
args.Channel.ChannelId);
}
}
}
else
{
Thread.Sleep(10);
}
}
catch (SocketException ex)
{
if (ex.ErrorCode == (int)SocketError.ConnectionReset)
{
Logger.LogError(ex, "SocketListener: socket connection reset");
}
}
catch (Exception ex)
{
HandleDisconnect(SocketError.SocketError, ex);
}
}
/// <summary>
/// A client has connected (nothing have been sent or received yet)
/// </summary>
/// <param name="args">The <see cref="ClientConnectedEventArgs"/> instance containing the event data.</param>
protected virtual void OnClientConnected(ClientConnectedEventArgs args)
{
ClientConnected(this, args);
}
