internal FtpDataTransferException(string message, FtpResponse ftpResponse)
: base(message, ftpResponse)
{
}
internal FtpResumeNotSupportedException(FtpResponse ftpResponse)
: base("Data transfer error: server does not support resuming.", ftpResponse)
{
}
internal FtpServerDownException(string message, FtpResponse ftpResponse)
: base(message, ftpResponse)
{
}
internal FtpCommandException(string message, FtpResponse ftpResponse)
: base(message, ftpResponse)
{
}
internal FtpAuthenticationException(string message, FtpResponse ftpResponse)
: base(message, ftpResponse)
{
}
internal FtpServerDownException(FtpResponse ftpResponse)
: this("FTP service was down.", ftpResponse)
{
}
internal FtpInvalidResponseException(string message, FtpResponse ftpResponse)
: base(message, ftpResponse)
{
}
internal FtpExceptionBase(string message, FtpResponse ftpResponse)
: base(message)
{
m_ftpResponse = ftpResponse;
}
/// <summary>
/// Refresh response from control channel.
/// </summary>
public void RefreshResponse()
{
lock (this)
{
m_lastResponse = new FtpResponse(m_connection.GetStream());
}
foreach (string s in m_lastResponse.Respones)
{
m_sessionHost.OnResponseReceived(s);
}
}
/// <summary>
/// Connects the <see cref="FtpControlChannel"/>.
/// </summary>
public void Connect()
{
m_connection.Connect(m_server, m_port);
try
{
m_lastResponse = new FtpResponse(m_connection.GetStream());
if (m_lastResponse.Code != FtpResponse.ServiceReady)
throw new FtpServerDownException("FTP service unavailable.", m_lastResponse);
}
catch
{
Close();
throw;
}
}
/// <summary>
/// Releases the unmanaged resources used by the <see cref="FtpControlChannel"/> object and optionally releases the managed resources.
/// </summary>
/// <param name="disposing">true to release both managed and unmanaged resources; false to release only unmanaged resources.</param>
protected virtual void Dispose(bool disposing)
{
if (!m_disposed)
{
try
{
// This will be done regardless of whether the object is finalized or disposed.
if (disposing)
{
m_lastResponse = null;
if (m_connection != null)
m_connection.Close();
m_connection = null;
}
}
finally
{
m_disposed = true; // Prevent duplicate dispose.
}
}
}
