/// <summary>
/// Provides a wrapper for the async accept operations.
/// </summary>
private static void AcceptCallback(IAsyncResult asyncResult)
{
FtpControlStream connection = (FtpControlStream)asyncResult.AsyncState !;
Socket listenSocket = connection._dataSocket !;
try
{
connection._dataSocket = listenSocket.EndAccept(asyncResult);
if (!connection.ServerAddress.Equals(((IPEndPoint)connection._dataSocket.RemoteEndPoint !).Address))
{
connection._dataSocket.Close();
throw new WebException(SR.net_ftp_active_address_different, WebExceptionStatus.ProtocolError);
}
connection.ContinueCommandPipeline();
}
catch (Exception e)
{
connection.CloseSocket();
connection.InvokeRequestCallback(e);
}
finally
{
listenSocket.Close();
}
}
private static void SSLHandshakeCallback(IAsyncResult asyncResult)
{
FtpControlStream asyncState = (FtpControlStream)asyncResult.AsyncState;
try
{
asyncState.ContinueCommandPipeline();
}
catch (Exception exception)
{
asyncState.CloseSocket();
asyncState.InvokeRequestCallback(exception);
}
}
private static void SSLHandshakeCallback(IAsyncResult asyncResult)
{
FtpControlStream connection = (FtpControlStream)asyncResult.AsyncState;
try
{
connection._tlsStream.EndAuthenticateAsClient(asyncResult);
connection.ContinueCommandPipeline();
}
catch (Exception e)
{
connection.CloseSocket();
connection.InvokeRequestCallback(e);
}
}
/// <summary>
/// <para>Provides a wrapper for the async accept operations</para>
/// </summary>
private static void ConnectCallback(IAsyncResult asyncResult)
{
FtpControlStream connection = (FtpControlStream)asyncResult.AsyncState;
try
{
connection._dataSocket.EndConnect(asyncResult);
connection.ContinueCommandPipeline();
}
catch (Exception e)
{
connection.CloseSocket();
connection.InvokeRequestCallback(e);
}
}
private static void ConnectCallback(IAsyncResult asyncResult)
{
FtpControlStream asyncState = (FtpControlStream)asyncResult.AsyncState;
try
{
LazyAsyncResult result = asyncResult as LazyAsyncResult;
((Socket)result.AsyncObject).EndConnect(asyncResult);
asyncState.ContinueCommandPipeline();
}
catch (Exception exception)
{
asyncState.CloseSocket();
asyncState.InvokeRequestCallback(exception);
}
}