/// <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 AcceptCallback(IAsyncResult asyncResult)
{
FtpControlStream asyncState = (FtpControlStream)asyncResult.AsyncState;
LazyAsyncResult result = asyncResult as LazyAsyncResult;
Socket asyncObject = (Socket)result.AsyncObject;
try
{
asyncState.m_DataSocket = asyncObject.EndAccept(asyncResult);
if (!asyncState.ServerAddress.Equals(((IPEndPoint)asyncState.m_DataSocket.RemoteEndPoint).Address))
{
asyncState.m_DataSocket.Close();
throw new WebException(SR.GetString("net_ftp_active_address_different"), WebExceptionStatus.ProtocolError);
}
asyncState.ContinueCommandPipeline();
}
catch (Exception exception)
{
asyncState.CloseSocket();
asyncState.InvokeRequestCallback(exception);
}
finally
{
asyncObject.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);
}
}