/// <summary>
/// Called when a connection is accepted.
/// </summary>
private void OnAccept(object sender, SocketAsyncEventArgs args)
{
var sock = args.AcceptSocket;
if (!sock.Connected)
return;
// Wrap stuff in a try block, in case the socket is disposed of.
try
{
var accept = true;
// Do we accept multiple connections from the same address?
if (!AllowMultipleConnections)
lock (_clients)
accept = _clients.All(cl => !cl.EndPoint.Equals(sock.RemoteEndPoint.ToIPEndPoint()));
if (!accept)
{
_log.Warn("Disconnecting client from {0}; already connected.", sock.RemoteEndPoint);
sock.Shutdown(SocketShutdown.Both);
sock.Disconnect(false);
sock.Close();
}
else
{
// Add the client and thus start receiving.
var client = new TcpClient(sock, this, _propagator);
client.AddPermission(new ConnectedPermission());
AddClient(client);
}
}
catch (Exception ex)
{
if (ex is SocketException)
ExceptionManager.RegisterException(ex);
if (!(ex is ObjectDisposedException))
throw;
throw;
}
// Continue accepting with the event args we were using before.
Accept(args);
}