/// <summary>
/// Ends the current client connection.
/// </summary>
/// <param name="sender">The current server to client connection channel.</param>
private void EndConnection(SingleContext sender)
{
// Decrement the count.
DecrementCount();
// Signal to the blocking handler
// to un-block.
lock (_lockingObject)
_connAvailable.Set();
try
{
lock (_lockingObject)
{
// Send the new disconnection to the caller.
if (OnClientDisconnected != null)
{
OnClientDisconnected(this, sender);
}
}
}
catch { }
try
{
lock (_lockingObject)
{
// Attempt to release all the resources of the curretn server context.
sender.Dispose();
sender = null;
}
}
catch { }
}
/// <summary>
/// Create a new instance of the server context type.
/// </summary>
/// <param name="state">The current state, contains a socket client.</param>
private void CreateServerContext(object state)
{
SingleContext client = null;
bool endTriggered = false;
try
{
// Clear last error.
ClearLastError();
// Create a new client host
client = new SingleContext();
// Assign the accepted socket.
client.Socket = (System.Net.Sockets.Socket)state;
client.UseSslConnection = _useSslConnection;
client.BeginSslAuthentication = _beginSslAuthentication;
client.X509Certificate = _sslCertificate;
client.Name = _serverName;
client.SslProtocols = _sslProtocols;
client.SocketType = _socketType;
client.ProtocolType = _protocolType;
client.ReceiveSocketFlags = _receiveSocketFlags;
client.SendSocketFlags = _sendSocketFlags;
client.Timeout = _timeOut;
client.RequestBufferCapacity = _requestBufferCapacity;
client.ResponseBufferCapacity = _responseBufferCapacity;
client.Port = _port;
client.ServiceName = _serviceName;
client.NumberOfClients = _clientCount;
client.OnReceivedHandler = _onReceivedActionHandler;
client.SendToServerInfoHandler = _sendToServerInfoHandler;
client.WriteBufferSize = WRITE_BUFFER_SIZE;
client.ReadBufferSize = READ_BUFFER_SIZE;
client.EndConnectionCallback = (end, socketClient) =>
{
// End has been triggered.
endTriggered = end;
// End the connection.
EndConnection(socketClient);
};
// Create and assign each component.
client.Initialise();
// Increment the count.
IncrementCount();
try
{
// Send the new connection to the caller.
if (OnClientConnected != null)
{
OnClientConnected(this, client);
}
}
catch (Exception ex)
{
if (client != null)
{
client.Dispose();
}
SetLastError(ex);
}
}
catch (Exception ex)
{
SetLastError(ex);
}
}
/// <summary>
/// Called when the socket has some data to read.
/// </summary>
void IMultiplexed.ReadyRead()
{
// Do not allow any more clients
// if maximum is reached.
if (_clientCount <= _maxNumClients)
{
Socket clientSocket = null;
SingleContext client = null;
bool endTriggered = false;
try
{
// Clear last error.
ClearLastError();
// Get the socket that handles the client request.
clientSocket = _socket.Accept();
// Determine which buffer this client should use.
int bufferIndex = (int)(_clientCount / _totalNumSegments);
// Create a new client host
// Add this client socket to the list.
client = new SingleContext();
// Assign the accepted socket.
client.Socket = clientSocket;
client.UseSslConnection = _useSslConnection;
client.BeginSslAuthentication = _beginSslAuthentication;
client.X509Certificate = _sslCertificate;
client.Name = _serverName;
client.SslProtocols = _sslProtocols;
client.SocketType = _socketType;
client.ProtocolType = _protocolType;
client.ReceiveSocketFlags = _receiveSocketFlags;
client.SendSocketFlags = _sendSocketFlags;
client.Timeout = _timeOut;
client.RequestBufferCapacity = _requestBufferCapacity;
client.ResponseBufferCapacity = _responseBufferCapacity;
client.Port = _port;
client.ServiceName = _serviceName;
client.NumberOfClients = _clientCount;
client.OnReceivedHandler = _onReceivedActionHandler;
client.SendToServerInfoHandler = _sendToServerInfoHandler;
client.WritePoller = !_pollWriter;
client.WriteBufferSize = WRITE_BUFFER_SIZE;
client.ReadBufferSize = READ_BUFFER_SIZE;
client.EndConnectionCallback = (end, context) =>
{
// End has been triggered.
endTriggered = end;
try
{
// Uregisters the socket from issuing notifications.
_multiplexer.RemoveSocket(context.Socket);
}
catch { }
// End the connection.
EndConnection(context);
};
// Create and assign each component.
client.Initialise();
// Increment the count.
IncrementCount();
try
{
// Send the new connection to the caller.
if (OnClientConnected != null)
{
OnClientConnected(this, client);
}
// Add the socket to the multiplexer.
if (!endTriggered)
{
_multiplexer.AddSocket(clientSocket, client);
}
}
catch (Exception ex)
{
if (client != null)
{
client.Dispose();
}
SetLastError(ex);
}
}
catch (Exception ex)
{
SetLastError(ex);
}
}
}
