/// <summary>
/// 没有ID的构造函数,用于添加操作
/// </summary>
/// <param name="address"></param>
/// <param name="port"></param>
/// <param name="username"></param>
/// <param name="password"></param>
/// <param name="literal"></param>
public FTPServer(string address, int port, string username, string password, string literal, FTPServerType type)
{
_address = address;
_port = port;
_username = username;
_password = password;
_literal = literal;
_ftpservertype = type;
Init();
}
/// <summary>
/// Disconnect from the FTP server
/// </summary>
public void Disconnect()
{
if (m_cmdsocket != null)
{
FTPResponse response = SendCommand("QUIT");
m_cmdsocket.Close();
m_cmdsocket = null;
}
m_server = FTPServerType.Unknown;
m_connected = false;
}
/// <summary>
/// 没有ID的构造函数,用于添加操作
/// </summary>
/// <param name="address"></param>
/// <param name="port"></param>
/// <param name="username"></param>
/// <param name="password"></param>
/// <param name="literal"></param>
public FTPServer(string address, int port, string username, string password, string literal, FTPServerType type)
{
_address = address;
_port = port;
_username = username;
_password = password;
_literal = literal;
_ftpservertype = type;
Init();
}
/// <summary>
/// Disconnect from the FTP server
/// </summary>
public void Disconnect()
{
if(m_cmdsocket != null)
{
FTPResponse response = SendCommand("QUIT");
m_cmdsocket.Close();
m_cmdsocket = null;
}
m_server = FTPServerType.Unknown;
m_connected = false;
}
private void ConnectThread()
{
IPEndPoint endpoint;
FTPResponse response;
m_cmdsocket = new Socket(AddressFamily.InterNetwork,
SocketType.Stream,
ProtocolType.Tcp);
try
{
IPAddress address=IPAddress.Parse(m_host);
endpoint = new IPEndPoint(address, m_port);
}
catch(System.FormatException )
{
try
{
IPAddress address = Dns.Resolve(m_host).AddressList[0];
endpoint = new IPEndPoint(address, m_port);
}
catch(SocketException)
{
return;
}
}
// make the connection
try
{
m_cmdsocket.Connect(endpoint);
}
catch(Exception)
{
return;
}
// check the result
response = ReadResponse();
if(response.ID != 220)
{
m_cmdsocket.Close();
m_cmdsocket = null;
if(!m_exceptions)
{
return;
}
else
{
m_connected = false;
return;
}
}
// set the user id
response = SendCommand("USER " + m_uid, false);
// check the response
if( !((response.ID == 331) || (response.ID == 230)) )
{
m_cmdsocket.Close();
m_cmdsocket=null;
Disconnect();
if(!m_exceptions)
{
return;
}
else
{
m_connected = false;
return;
}
}
// if a PWD is required, send it
if( response.ID == 331 )
{
response = SendCommand("PASS " + m_pwd, false);
if( !((response.ID == 202) || (response.ID == 230)) )
{
m_cmdsocket.Close();
m_cmdsocket=null;
Disconnect();
m_connected = false;
return;
}
}
// get the server type
response = SendCommand("SYST", false);
if(response.Text.ToUpper().IndexOf("UNIX") > -1)
{
m_server = FTPServerType.Unix;
}
else if(response.Text.ToUpper().IndexOf("WINDOWS") > -1)
{
m_server = FTPServerType.Windows;
}
else
{
m_server = FTPServerType.Unknown;
}
m_connected = true;
foreach (FTPConnectedHandler fh in Connected.GetInvocationList())
{
fh(this);
}
}
private void ConnectThread()
{
IPEndPoint endpoint;
FTPResponse response;
m_cmdsocket = new Socket(AddressFamily.InterNetwork,
SocketType.Stream,
ProtocolType.Tcp);
try
{
IPAddress address = IPAddress.Parse(m_host);
endpoint = new IPEndPoint(address, m_port);
}
catch (System.FormatException)
{
try
{
IPAddress address = Dns.GetHostEntry(m_host).AddressList[0];
//IPAddress address = Dns.Resolve(m_host).AddressList[0];
endpoint = new IPEndPoint(address, m_port);
}
catch (SocketException)
{
return;
}
}
// make the connection
try
{
m_cmdsocket.Connect(endpoint);
}
catch (Exception)
{
return;
}
// check the result
response = ReadResponse();
if (response.ID != 220)
{
m_cmdsocket.Close();
m_cmdsocket = null;
if (!m_exceptions)
{
return;
}
else
{
m_connected = false;
return;
}
}
// set the user id
response = SendCommand("USER " + m_uid, false);
// check the response
if (!((response.ID == 331) || (response.ID == 230)))
{
m_cmdsocket.Close();
m_cmdsocket = null;
Disconnect();
if (!m_exceptions)
{
return;
}
else
{
m_connected = false;
return;
}
}
// if a PWD is required, send it
if (response.ID == 331)
{
response = SendCommand("PASS " + m_pwd, false);
if (!((response.ID == 202) || (response.ID == 230)))
{
m_cmdsocket.Close();
m_cmdsocket = null;
Disconnect();
m_connected = false;
return;
}
}
// get the server type
response = SendCommand("SYST", false);
if (response.Text.ToUpper().IndexOf("UNIX") > -1)
{
m_server = FTPServerType.Unix;
}
else if (response.Text.ToUpper().IndexOf("WINDOWS") > -1)
{
m_server = FTPServerType.Windows;
}
else
{
m_server = FTPServerType.Unknown;
}
m_connected = true;
if (Connected != null)
{
foreach (FTPConnectedHandler fh in Connected.GetInvocationList())
{
fh(this);
}
}
}
private void ConnectThread()
{
IPEndPoint endpoint;
FTPResponse response;
m_cmdsocket = new Socket(AddressFamily.InterNetwork,
SocketType.Stream,
ProtocolType.Tcp);
try
{
IPAddress address=IPAddress.Parse(m_host);
endpoint = new IPEndPoint(address, m_port);
}
catch(System.FormatException )
{
try
{
IPAddress address = Dns.Resolve(m_host).AddressList[0];
endpoint = new IPEndPoint(address, m_port);
}
catch(SocketException)
{
return;
}
}
// make the connection
try
{
m_cmdsocket.Connect(endpoint);
}
catch(Exception ee)
{
System.Diagnostics.Debug.WriteLine("Exception in ConnectThread: " + ee.Message);
return;
}
// check the result
response = ReadResponse();
if(response.ID != StatusCode.ServiceReady)
{
m_cmdsocket.Close();
m_cmdsocket = null;
if(!m_exceptions)
{
return;
}
else
{
m_connected = false;
return;
}
}
// set the user id
response = SendCommand("USER " + m_uid, false);
// check the response
if (!((response.ID == StatusCode.NameAccepted) || (response.ID == StatusCode.LoginSuccess)))
{
// m_cmdsocket.Close();
// m_cmdsocket=null;
Disconnect();
if(!m_exceptions)
{
return;
}
else
{
m_connected = false;
return;
}
}
// if a PWD is required, send it
if (response.ID == StatusCode.NameAccepted)
{
response = SendCommand("PASS " + m_pwd, false);
if (!((response.ID == StatusCode.CommandNotImplemented) || (response.ID == StatusCode.LoginSuccess)))
{
// m_cmdsocket.Close();
// m_cmdsocket=null;
Disconnect();
// m_connected = false;
return;
}
}
// get the server type
response = SendCommand("SYST", false);
if(response.Text.ToUpper().IndexOf("UNIX") > -1)
{
m_server = FTPServerType.Unix;
}
else if(response.Text.ToUpper().IndexOf("WINDOWS") > -1)
{
m_server = FTPServerType.Windows;
}
else
{
m_server = FTPServerType.Unknown;
}
m_connected = true;
//foreach (FTPConnectedHandler fh in Connected.GetInvocationList())
//{
// fh(this);
//}
if (Connected != null)
{
Connected(this);
}
}
/// <summary>
/// Connect to the FTP server using the supplied username and password
/// </summary>
/// <param name="username">Username</param>
/// <param name="password">Password</param>
public void Connect(string username, string password)
{
m_uid = username;
m_pwd = password;
if (m_connected)
{
throw new FTPException("Already Connected");
}
try
{
IPEndPoint endpoint;
FTPResponse response;
m_cmdsocket = new Socket(AddressFamily.InterNetwork,
SocketType.Stream,
ProtocolType.Tcp);
try
{
IPAddress address = IPAddress.Parse(m_host);
endpoint = new IPEndPoint(address, m_port);
}
catch (System.FormatException)
{
try
{
IPAddress address = Dns.GetHostEntry(m_host).AddressList[0];
endpoint = new IPEndPoint(address, m_port);
}
catch (SocketException)
{
m_cmdsocket = null;
m_connected = false;
return;
}
}
// make the connection
FTPParameters.EndConnectEvent = new AutoResetEvent(false);
m_cmdsocket.BeginConnect(endpoint, EndConnection, m_cmdsocket);
FTPParameters.EndConnectEvent.WaitOne(m_timeout, false);
if (!m_cmdsocket.Connected)
{
m_cmdsocket.Close();
return;
}
// check the result
ReadResponse();
if (m_response.ID != StatusCode.ServiceReady)
{
m_cmdsocket.Close();
m_cmdsocket = null;
if (!m_exceptions)
{
return;
}
else
{
m_connected = false;
return;
}
}
// set the user id
response = SendCommand("USER " + m_uid, false);
// check the response
if (!((response.ID == StatusCode.NameAccepted) || (response.ID == StatusCode.LoginSuccess)))
{
m_cmdsocket.Close();
m_cmdsocket = null;
Disconnect();
if (!m_exceptions)
{
return;
}
else
{
m_connected = false;
return;
}
}
// if a PWD is required, send it
if (response.ID == StatusCode.NameAccepted)
{
response = SendCommand("PASS " + m_pwd, false);
if (!((response.ID == StatusCode.CommandNotImplemented) || (response.ID == StatusCode.LoginSuccess)))
{
m_cmdsocket.Close();
m_cmdsocket = null;
Disconnect();
m_connected = false;
return;
}
}
m_server = FTPServerType.Unix;
m_connected = true;
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex.Message);
}
}