protected virtual void OnConnectionAttemptFailed(SslEndPoint sslEndPoint, Exception e)
{
var handler = ConnectionAttemptFailed;
if (null != handler)
{
handler(this, new ConnectionAttemptFailedEventArgs(sslEndPoint, e));
}
}
// Event dispatchers
protected virtual void OnConnectionAttemptStarted(SslEndPoint sslEndPoint)
{
var handler = ConnectionAttemptStarted;
if (null != handler)
{
handler(this, new ConnectionAttemptStartedEventArgs(sslEndPoint));
}
}
protected virtual void Dispose(bool disposing)
{
if (disposing)
{
ConnectionAttemptStarted = null;
ConnectionAttemptFailed = null;
ConnectionFailed = null;
ConnectionEstablished = null;
EndPoints = null;
IPAddresses = null;
CurrentEndPoint = null;
CertificateCollection = null;
Configuration = null;
if (null != EndPointEnumerator)
{
EndPointEnumerator.Dispose( );
EndPointEnumerator = null;
}
if (null != TcpClient)
{
TcpClient.Close( );
TcpClient = null;
}
if (null != _protocolHandler)
{
_protocolHandler.Dispose( );
_protocolHandler = null;
}
if (null != _sslStream)
{
_sslStream.Dispose( );
_sslStream = null;
}
}
}
private void TryEstablishConnection( )
{
if (null == TcpClient)
{
TcpClient = new TcpClient( );
}
while (EndPointEnumerator.MoveNext( ))
{
CurrentEndPoint = EndPointEnumerator.Current;
Debug.Print("ServerConnector.TryEstablishConnection: trying {0}", CurrentEndPoint);
OnConnectionAttemptStarted(CurrentEndPoint);
try {
TcpClient.BeginConnect(CurrentEndPoint.Address, CurrentEndPoint.Port, ConnectCallback, null);
return;
}
catch (NotSupportedException e) {
Debug.Print("ServerConnector.TryEstablishConnection: TcpClient.BeginConnect: caught NotSupportedException:\n{0}", e);
}
catch (Exception e) {
Debug.Print("ServerConnector.TryEstablishConnection: TcpClient.BeginConnect: caught exception:\n{0}", e);
}
}
if (null != TcpClient)
{
SocketRegistry.Unregister(TcpClient.Client.LocalEndPoint as IPEndPoint);
TcpClient.Close( );
TcpClient = null;
}
EndPointEnumerator.Dispose( );
EndPoints = null;
OnConnectionFailed(new Exception("Ran out of IP addresses and ports to try."));
}
public ConnectionAttemptFailedEventArgs(SslEndPoint sslEndPoint, Exception e)
{
SslEndPoint = sslEndPoint;
Exception = e;
}
public ConnectionAttemptStartedEventArgs(SslEndPoint sslEndPoint)
{
SslEndPoint = sslEndPoint;
}