/// <summary>
/// Can be used to create filtering of new connections.
/// </summary>
/// <param name="socket">Accepted socket</param>
/// <returns>
/// true if connection can be accepted; otherwise false.
/// </returns>
protected override bool OnAcceptingSocket(Socket socket)
{
ClientAcceptedEventArgs args = new ClientAcceptedEventArgs(socket);
Accepted(this, args);
return(!args.Revoked);
}
/// <summary>
/// Can be used to create filtering of new connections.
/// </summary>
/// <param name="socket">Accepted socket</param>
/// <returns>
/// true if connection can be accepted; otherwise false.
/// </returns>
protected override bool OnAcceptingSocket(Socket socket)
{
ClientAcceptedEventArgs args = new ClientAcceptedEventArgs(socket);
Accepted(this, args);
return !args.Revoked;
}
private void OnAccept(IAsyncResult ar)
{
try
{
// i'm not trying to avoid ALL cases here. but just the most simple ones.
// doing a lock would defeat the purpose since only one socket could be accepted at once.
// the lock kills performance and that's why I temporarly disabled it.
// right now it's up to the exception block to handle Stop()
/*lock (_listenLock)
* if (!_canListen)
* return;
*/
Socket socket = _listener.EndAcceptSocket(ar);
_listener.BeginAcceptSocket(OnAccept, null);
ClientAcceptedEventArgs args = new ClientAcceptedEventArgs(socket);
Accepted(this, args);
if (args.Revoked)
{
_logWriter.Write(this, LogPrio.Debug, "Socket was revoked by event handler.");
socket.Close();
return;
}
_logWriter.Write(this, LogPrio.Debug, "Accepted connection from: " + socket.RemoteEndPoint);
NetworkStream stream = new NetworkStream(socket, true);
IPEndPoint remoteEndPoint = (IPEndPoint)socket.RemoteEndPoint;
if (_certificate != null)
{
CreateSecureContext(stream, remoteEndPoint);
}
else
{
new HttpClientContextImp(false, remoteEndPoint, _requestHandler, _disconnectHandler, stream,
LogWriter);
}
}
catch (Exception err)
{
if (err is ObjectDisposedException || err is NullReferenceException) // occurs when we shut down the listener.
{
if (UseTraceLogs)
{
_logWriter.Write(this, LogPrio.Trace, err.Message);
}
return;
}
_logWriter.Write(this, LogPrio.Debug, err.Message);
if (ExceptionThrown == null)
#if DEBUG
{ throw; }
#else
{ _logWriter.Write(this, LogPrio.Fatal, err.Message); }
// we can't really do anything but close the connection
#endif
if (ExceptionThrown != null)
{
ExceptionThrown(this, err);
}
}
}
private void _listener_Accepted(object sender, ClientAcceptedEventArgs e)
{
LogInfo("_listener_Accepted " + e.Socket);
}
private void OnAccept(IAsyncResult ar)
{
try
{
// i'm not trying to avoid ALL cases here. but just the most simple ones.
// doing a lock would defeat the purpose since only one socket could be accepted at once.
// the lock kills performance and that's why I temporarly disabled it.
// right now it's up to the exception block to handle Stop()
/*lock (_listenLock)
if (!_canListen)
return;
*/
Socket socket = _listener.EndAcceptSocket(ar);
_listener.BeginAcceptSocket(OnAccept, null);
ClientAcceptedEventArgs args = new ClientAcceptedEventArgs(socket);
Accepted(this, args);
if (args.Revoked)
{
_logWriter.Write(this, LogPrio.Debug, "Socket was revoked by event handler.");
socket.Close();
return;
}
_logWriter.Write(this, LogPrio.Debug, "Accepted connection from: " + socket.RemoteEndPoint);
NetworkStream stream = new NetworkStream(socket, true);
IPEndPoint remoteEndPoint = (IPEndPoint)socket.RemoteEndPoint;
if (_certificate != null)
CreateSecureContext(stream, remoteEndPoint);
else
new HttpClientContextImp(false, remoteEndPoint, _requestHandler, _disconnectHandler, stream,
LogWriter);
}
catch (Exception err)
{
if (err is ObjectDisposedException || err is NullReferenceException) // occurs when we shut down the listener.
{
if (UseTraceLogs)
_logWriter.Write(this, LogPrio.Trace, err.Message);
return;
}
_logWriter.Write(this, LogPrio.Debug, err.Message);
if (ExceptionThrown == null)
#if DEBUG
throw;
#else
_logWriter.Write(this, LogPrio.Fatal, err.Message);
// we can't really do anything but close the connection
#endif
if (ExceptionThrown != null)
ExceptionThrown(this, err);
}
}
