using System;
using System.Net;
using System.IO;
using System.Text;
using System.Net.Sockets;
using System.Diagnostics;
using System.Runtime.Remoting;
using System.Runtime.Remoting.Messaging;
/*
* FTP Client library in C#
* Author: Jaimon Mathew
* mailto:jaimonmathew@rediffmail.com
* http://www.csharphelp.com/archives/archive9.html
*
* Addapted for use by Dan Glass 07/03/03
*/
namespace WebCamService
{
public class FtpClient
{
public class FtpException : Exception
{
public FtpException(string message) : base(message){}
public FtpException(string message, Exception innerException) : base(message,innerException){}
}
private static int BUFFER_SIZE = 512;
private static Encoding ASCII = Encoding.ASCII;
private bool verboseDebugging = false;
// defaults
private string server = "localhost";
private string remotePath = ".";
private string username = "anonymous";
private string password = "anonymous@anonymous.net";
private string message = null;
private string result = null;
private int port = 21;
private int bytes = 0;
private int resultCode = 0;
private bool loggedin = false;
private bool binMode = false;
private Byte[] buffer = new Byte[BUFFER_SIZE];
private Socket clientSocket = null;
private int timeoutSeconds = 10;
/// <summary>
/// Default contructor
/// </summary>
public FtpClient()
{
}
/// <summary>
///
/// </summary>
/// <param name="server"></param>
/// <param name="username"></param>
/// <param name="password"></param>
public FtpClient(string server, string username, string password)
{
this.server = server;
this.username = username;
this.password = password;
}
/// <summary>
///
/// </summary>
/// <param name="server"></param>
/// <param name="username"></param>
/// <param name="password"></param>
/// <param name="timeoutSeconds"></param>
/// <param name="port"></param>
public FtpClient(string server, string username, string password, int timeoutSeconds, int port)
{
this.server = server;
this.username = username;
this.password = password;
this.timeoutSeconds = timeoutSeconds;
this.port = port;
}
/// <summary>
/// Display all communications to the debug log
/// </summary>
public bool VerboseDebugging
{
get
{
return this.verboseDebugging;
}
set
{
this.verboseDebugging = value;
}
}
/// <summary>
/// Remote server port. Typically TCP 21
/// </summary>
public int Port
{
get
{
return this.port;
}
set
{
this.port = value;
}
}
/// <summary>
/// Timeout waiting for a response from server, in seconds.
/// </summary>
public int Timeout
{
get
{
return this.timeoutSeconds;
}
set
{
this.timeoutSeconds = value;
}
}
/// <summary>
/// Gets and Sets the name of the FTP server.
/// </summary>
/// <returns></returns>
public string Server
{
get
{
return this.server;
}
set
{
this.server = value;
}
}
/// <summary>
/// Gets and Sets the port number.
/// </summary>
/// <returns></returns>
public int RemotePort
{
get
{
return this.port;
}
set
{
this.port = value;
}
}
/// <summary>
/// GetS and Sets the remote directory.
/// </summary>
public string RemotePath
{
get
{
return this.remotePath;
}
set
{
this.remotePath = value;
}
}
/// <summary>
/// Gets and Sets the username.
/// </summary>
public string Username
{
get
{
return this.username;
}
set
{
this.username = value;
}
}
/// <summary>
/// Gets and Set the password.
/// </summary>
public string Password
{
get
{
return this.password;
}
set
{
this.password = value;
}
}
/// <summary>
/// If the value of mode is true, set binary mode for downloads, else, Ascii mode.
/// </summary>
public bool BinaryMode
{
get
{
return this.binMode;
}
set
{
if ( this.binMode == value ) return;
if ( value )
sendCommand("TYPE I");
else
sendCommand("TYPE A");
if ( this.resultCode != 200 ) throw new FtpException(result.Substring(4));
}
}
/// <summary>
/// Login to the remote server.
/// </summary>
public void Login()
{
if ( this.loggedin ) this.Close();
Debug.WriteLine("Opening connection to " + this.server, "FtpClient" );
IPAddress addr = null;
IPEndPoint ep = null;
try
{
this.clientSocket = new Socket( AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp );
addr = Dns.Resolve(this.server).AddressList[0];
ep = new IPEndPoint( addr, this.port );
this.clientSocket.Connect(ep);
}
catch(Exception ex)
{
// doubtfull
if ( this.clientSocket != null && this.clientSocket.Connected ) this.clientSocket.Close();
throw new FtpException("Couldn't connect to remote server",ex);
}
this.readResponse();
if(this.resultCode != 220)
{
this.Close();
throw new FtpException(this.result.Substring(4));
}
this.sendCommand( "USER " + username );
if( !(this.resultCode == 331 || this.resultCode == 230) )
{
this.cleanup();
throw new FtpException(this.result.Substring(4));
}
if( this.resultCode != 230 )
{
this.sendCommand( "PASS " + password );
if( !(this.resultCode == 230 || this.resultCode == 202) )
{
this.cleanup();
throw new FtpException(this.result.Substring(4));
}
}
this.loggedin = true;
Debug.WriteLine( "Connected to " + this.server, "FtpClient" );
this.ChangeDir(this.remotePath);
}
/// <summary>
/// Close the FTP connection.
/// </summary>
public void Close()
{
Debug.WriteLine("Closing connection to " + this.server, "FtpClient" );
if( this.clientSocket != null )
{
this.sendCommand("QUIT");
}
this.cleanup();
}
/// <summary>
/// Return a string array containing the remote directory's file list.
/// </summary>
/// <returns></returns>
public string[] GetFileList()
{
return this.GetFileList("*.*");
}
/// <summary>
/// Return a string array containing the remote directory's file list.
/// </summary>
/// <param name="mask"></param>
/// <returns></returns>
public string[] GetFileList(string mask)
{
if ( !this.loggedin ) this.Login();
Socket cSocket = createDataSocket();
this.sendCommand("NLST " + mask);
if(!(this.resultCode == 150 || this.resultCode == 125)) throw new FtpException(this.result.Substring(4));
this.message = "";
DateTime timeout = DateTime.Now.AddSeconds(this.timeoutSeconds);
while( timeout > DateTime.Now )
{
int bytes = cSocket.Receive(buffer, buffer.Length, 0);
this.message += ASCII.GetString(buffer, 0, bytes);
if ( bytes < this.buffer.Length ) break;
}
string[] msg = this.message.Replace("\r","").Split('\n');
cSocket.Close();
if ( this.message.IndexOf( "No such file or directory" ) != -1 )
msg = new string[]{};
this.readResponse();
if ( this.resultCode != 226 )
msg = new string[]{};
// throw new FtpException(result.Substring(4));
return msg;
}
/// <summary>
/// Return the size of a file.
/// </summary>
/// <param name="fileName"></param>
/// <returns></returns>
public long GetFileSize(string fileName)
{
if ( !this.loggedin ) this.Login();
this.sendCommand("SIZE " + fileName);
long size=0;
if ( this.resultCode == 213 )
size = long.Parse(this.result.Substring(4));
else
throw new FtpException(this.result.Substring(4));
return size;
}
/// <summary>
/// Download a file to the Assembly's local directory,
/// keeping the same file name.
/// </summary>
/// <param name="remFileName"></param>
public void Download(string remFileName)
{
this.Download(remFileName,"",false);
}
/// <summary>
/// Download a remote file to the Assembly's local directory,
/// keeping the same file name, and set the resume flag.
/// </summary>
/// <param name="remFileName"></param>
/// <param name="resume"></param>
public void Download(string remFileName,Boolean resume)
{
this.Download(remFileName,"",resume);
}
/// <summary>
/// Download a remote file to a local file name which can include
/// a path. The local file name will be created or overwritten,
/// but the path must exist.
/// </summary>
/// <param name="remFileName"></param>
/// <param name="locFileName"></param>
public void Download(string remFileName,string locFileName)
{
this.Download(remFileName,locFileName,false);
}
/// <summary>
/// Download a remote file to a local file name which can include
/// a path, and set the resume flag. The local file name will be
/// created or overwritten, but the path must exist.
/// </summary>
/// <param name="remFileName"></param>
/// <param name="locFileName"></param>
/// <param name="resume"></param>
public void Download(string remFileName,string locFileName,Boolean resume)
{
if ( !this.loggedin ) this.Login();
this.BinaryMode = true;
Debug.WriteLine("Downloading file " + remFileName + " from " + server + "/" + remotePath, "FtpClient" );
if (locFileName.Equals(""))
{
locFileName = remFileName;
}
FileStream output = null;
if ( !File.Exists(locFileName) )
output = File.Create(locFileName);
else
output = new FileStream(locFileName,FileMode.Open);
Socket cSocket = createDataSocket();
long offset = 0;
if ( resume )
{
offset = output.Length;
if ( offset > 0 )
{
this.sendCommand( "REST " + offset );
if ( this.resultCode != 350 )
{
//Server dosnt support resuming
offset = 0;
Debug.WriteLine("Resuming not supported:" + result.Substring(4), "FtpClient" );
}
else
{
Debug.WriteLine("Resuming at offset " + offset, "FtpClient" );
output.Seek( offset, SeekOrigin.Begin );
}
}
}
this.sendCommand("RETR " + remFileName);
if ( this.resultCode != 150 && this.resultCode != 125 )
{
throw new FtpException(this.result.Substring(4));
}
DateTime timeout = DateTime.Now.AddSeconds(this.timeoutSeconds);
while ( timeout > DateTime.Now )
{
this.bytes = cSocket.Receive(buffer, buffer.Length, 0);
output.Write(this.buffer,0,this.bytes);
if ( this.bytes <= 0)
{
break;
}
}
output.Close();
if ( cSocket.Connected ) cSocket.Close();
this.readResponse();
if( this.resultCode != 226 && this.resultCode != 250 )
throw new FtpException(this.result.Substring(4));
}
/// <summary>
/// Upload a file.
/// </summary>
/// <param name="fileName"></param>
public void Upload(string fileName)
{
this.Upload(fileName,false);
}
/// <summary>
/// Upload a file and set the resume flag.
/// </summary>
/// <param name="fileName"></param>
/// <param name="resume"></param>
public void Upload(string fileName, bool resume)
{
if ( !this.loggedin ) this.Login();
Socket cSocket = null ;
long offset = 0;
if ( resume )
{
try
{
this.BinaryMode = true;
offset = GetFileSize( Path.GetFileName(fileName) );
}
catch(Exception)
{
// file not exist
offset = 0;
}
}
// open stream to read file
FileStream input = new FileStream(fileName,FileMode.Open);
if ( resume && input.Length < offset )
{
// different file size
Debug.WriteLine("Overwriting " + fileName, "FtpClient");
offset = 0;
}
else if ( resume && input.Length == offset )
{
// file done
input.Close();
Debug.WriteLine("Skipping completed " + fileName + " - turn resume off to not detect.", "FtpClient");
return;
}
// dont create untill we know that we need it
cSocket = this.createDataSocket();
if ( offset > 0 )
{
this.sendCommand( "REST " + offset );
if ( this.resultCode != 350 )
{
Debug.WriteLine("Resuming not supported", "FtpClient");
offset = 0;
}
}
this.sendCommand( "STOR " + Path.GetFileName(fileName) );
if ( this.resultCode != 125 && this.resultCode != 150 ) throw new FtpException(result.Substring(4));
if ( offset != 0 )
{
Debug.WriteLine("Resuming at offset " + offset, "FtpClient" );
input.Seek(offset,SeekOrigin.Begin);
}
Debug.WriteLine( "Uploading file " + fileName + " to " + remotePath, "FtpClient" );
while ((bytes = input.Read(buffer,0,buffer.Length)) > 0)
{
cSocket.Send(buffer, bytes, 0);
}
input.Close();
if (cSocket.Connected)
{
cSocket.Close();
}
this.readResponse();
if( this.resultCode != 226 && this.resultCode != 250 ) throw new FtpException(this.result.Substring(4));
}
/// <summary>
/// Upload a directory and its file contents
/// </summary>
/// <param name="path"></param>
/// <param name="recurse">Whether to recurse sub directories</param>
public void UploadDirectory(string path, bool recurse)
{
this.UploadDirectory(path,recurse,"*.*");
}
/// <summary>
/// Upload a directory and its file contents
/// </summary>
/// <param name="path"></param>
/// <param name="recurse">Whether to recurse sub directories</param>
/// <param name="mask">Only upload files of the given mask - everything is '*.*'</param>
public void UploadDirectory(string path, bool recurse, string mask)
{
string[] dirs = path.Replace("/",@"\").Split('\\');
string rootDir = dirs[ dirs.Length - 1 ];
// make the root dir if it doed not exist
if ( this.GetFileList(rootDir).Length < 1 ) this.MakeDir(rootDir);
this.ChangeDir(rootDir);
foreach ( string file in Directory.GetFiles(path,mask) )
{
this.Upload(file,true);
}
if ( recurse )
{
foreach ( string directory in Directory.GetDirectories(path) )
{
this.UploadDirectory(directory,recurse,mask);
}
}
this.ChangeDir("..");
}
/// <summary>
/// Delete a file from the remote FTP server.
/// </summary>
/// <param name="fileName"></param>
public void DeleteFile(string fileName)
{
if ( !this.loggedin ) this.Login();
this.sendCommand( "DELE " + fileName );
if ( this.resultCode != 250 ) throw new FtpException(this.result.Substring(4));
Debug.WriteLine( "Deleted file " + fileName, "FtpClient" );
}
/// <summary>
/// Rename a file on the remote FTP server.
/// </summary>
/// <param name="oldFileName"></param>
/// <param name="newFileName"></param>
/// <param name="overwrite">setting to false will throw exception if it exists</param>
public void RenameFile(string oldFileName,string newFileName, bool overwrite)
{
if ( !this.loggedin ) this.Login();
this.sendCommand( "RNFR " + oldFileName );
if ( this.resultCode != 350 ) throw new FtpException(this.result.Substring(4));
if ( !overwrite && this.GetFileList(newFileName).Length > 0 ) throw new FtpException("File already exists");
this.sendCommand( "RNTO " + newFileName );
if ( this.resultCode != 250 ) throw new FtpException(this.result.Substring(4));
Debug.WriteLine( "Renamed file " + oldFileName + " to " + newFileName, "FtpClient" );
}
/// <summary>
/// Create a directory on the remote FTP server.
/// </summary>
/// <param name="dirName"></param>
public void MakeDir(string dirName)
{
if ( !this.loggedin ) this.Login();
this.sendCommand( "MKD " + dirName );
if ( this.resultCode != 250 && this.resultCode != 257 ) throw new FtpException(this.result.Substring(4));
Debug.WriteLine( "Created directory " + dirName, "FtpClient" );
}
/// <summary>
/// Delete a directory on the remote FTP server.
/// </summary>
/// <param name="dirName"></param>
public void RemoveDir(string dirName)
{
if ( !this.loggedin ) this.Login();
this.sendCommand( "RMD " + dirName );
if ( this.resultCode != 250 ) throw new FtpException(this.result.Substring(4));
Debug.WriteLine( "Removed directory " + dirName, "FtpClient" );
}
/// <summary>
/// Change the current working directory on the remote FTP server.
/// </summary>
/// <param name="dirName"></param>
public void ChangeDir(string dirName)
{
if( dirName == null || dirName.Equals(".") || dirName.Length == 0 )
{
return;
}
if ( !this.loggedin ) this.Login();
this.sendCommand( "CWD " + dirName );
if ( this.resultCode != 250 ) throw new FtpException(result.Substring(4));
this.sendCommand( "PWD" );
if ( this.resultCode != 257 ) throw new FtpException(result.Substring(4));
// gonna have to do better than this....
this.remotePath = this.message.Split('"')[1];
Debug.WriteLine( "Current directory is " + this.remotePath, "FtpClient" );
}
/// <summary>
///
/// </summary>
private void readResponse()
{
this.message = "";
this.result = this.readLine();
if ( this.result.Length > 3 )
this.resultCode = int.Parse( this.result.Substring(0,3) );
else
this.result = null;
}
/// <summary>
///
/// </summary>
/// <returns></returns>
private string readLine()
{
while(true)
{
this.bytes = clientSocket.Receive( this.buffer, this.buffer.Length, 0 );
this.message += ASCII.GetString( this.buffer, 0, this.bytes );
if ( this.bytes < this.buffer.Length )
{
break;
}
}
string[] msg = this.message.Split('\n');
if ( this.message.Length > 2 )
this.message = msg[ msg.Length - 2 ];
else
this.message = msg[0];
if ( this.message.Length > 4 && !this.message.Substring(3,1).Equals(" ") ) return this.readLine();
if ( this.verboseDebugging )
{
for(int i = 0; i < msg.Length - 1; i++)
{
Debug.Write( msg[i], "FtpClient" );
}
}
return message;
}
/// <summary>
///
/// </summary>
/// <param name="command"></param>
private void sendCommand(String command)
{
if ( this.verboseDebugging ) Debug.WriteLine(command,"FtpClient");
Byte[] cmdBytes = Encoding.ASCII.GetBytes( ( command + "\r\n" ).ToCharArray() );
clientSocket.Send( cmdBytes, cmdBytes.Length, 0);
this.readResponse();
}
/// <summary>
/// when doing data transfers, we need to open another socket for it.
/// </summary>
/// <returns>Connected socket</returns>
private Socket createDataSocket()
{
this.sendCommand("PASV");
if ( this.resultCode != 227 ) throw new FtpException(this.result.Substring(4));
int index1 = this.result.IndexOf('(');
int index2 = this.result.IndexOf(')');
string ipData = this.result.Substring(index1+1,index2-index1-1);
int[] parts = new int[6];
int len = ipData.Length;
int partCount = 0;
string buf="";
for (int i = 0; i < len && partCount <= 6; i++)
{
char ch = char.Parse( ipData.Substring(i,1) );
if ( char.IsDigit(ch) )
buf+=ch;
else if (ch != ',')
throw new FtpException("Malformed PASV result: " + result);
if ( ch == ',' || i+1 == len )
{
try
{
parts[partCount++] = int.Parse(buf);
buf = "";
}
catch (Exception ex)
{
throw new FtpException("Malformed PASV result (not supported?): " + this.result, ex);
}
}
}
string ipAddress = parts[0] + "."+ parts[1]+ "." + parts[2] + "." + parts[3];
int port = (parts[4] << 8) + parts[5];
Socket socket = null;
IPEndPoint ep = null;
try
{
socket = new Socket(AddressFamily.InterNetwork,SocketType.Stream,ProtocolType.Tcp);
ep = new IPEndPoint(Dns.Resolve(ipAddress).AddressList[0], port);
socket.Connect(ep);
}
catch(Exception ex)
{
// doubtfull....
if ( socket != null && socket.Connected ) socket.Close();
throw new FtpException("Can't connect to remote server", ex);
}
return socket;
}
/// <summary>
/// Always release those sockets.
/// </summary>
private void cleanup()
{
if ( this.clientSocket!=null )
{
this.clientSocket.Close();
this.clientSocket = null;
}
this.loggedin = false;
}
/// <summary>
/// Destuctor
/// </summary>
~FtpClient()
{
this.cleanup();
}
/**************************************************************************************************************/
#region Async methods (auto generated)
/*
WinInetApi.FtpClient ftp = new WinInetApi.FtpClient();
MethodInfo[] methods = ftp.GetType().GetMethods(BindingFlags.DeclaredOnly|BindingFlags.Instance|BindingFlags.Public);
foreach ( MethodInfo method in methods )
{
string param = "";
string values = "";
foreach ( ParameterInfo i in method.GetParameters() )
{
param += i.ParameterType.Name + " " + i.Name + ",";
values += i.Name + ",";
}
Debug.WriteLine("private delegate " + method.ReturnType.Name + " " + method.Name + "Callback(" + param.TrimEnd(',') + ");");
Debug.WriteLine("public System.IAsyncResult Begin" + method.Name + "( " + param + " System.AsyncCallback callback )");
Debug.WriteLine("{");
Debug.WriteLine("" + method.Name + "Callback ftpCallback = new " + method.Name + "Callback(" + values + " this." + method.Name + ");");
Debug.WriteLine("return ftpCallback.BeginInvoke(callback, null);");
Debug.WriteLine("}");
Debug.WriteLine("public void End" + method.Name + "(System.IAsyncResult asyncResult)");
Debug.WriteLine("{");
Debug.WriteLine(method.Name + "Callback fc = (" + method.Name + "Callback) ((AsyncResult)asyncResult).AsyncDelegate;");
Debug.WriteLine("fc.EndInvoke(asyncResult);");
Debug.WriteLine("}");
//Debug.WriteLine(method);
}
*/
private delegate void LoginCallback();
public System.IAsyncResult BeginLogin( System.AsyncCallback callback )
{
LoginCallback ftpCallback = new LoginCallback( this.Login);
return ftpCallback.BeginInvoke(callback, null);
}
private delegate void CloseCallback();
public System.IAsyncResult BeginClose( System.AsyncCallback callback )
{
CloseCallback ftpCallback = new CloseCallback( this.Close);
return ftpCallback.BeginInvoke(callback, null);
}
private delegate String[] GetFileListCallback();
public System.IAsyncResult BeginGetFileList( System.AsyncCallback callback )
{
GetFileListCallback ftpCallback = new GetFileListCallback( this.GetFileList);
return ftpCallback.BeginInvoke(callback, null);
}
private delegate String[] GetFileListMaskCallback(String mask);
public System.IAsyncResult BeginGetFileList( String mask, System.AsyncCallback callback )
{
GetFileListMaskCallback ftpCallback = new GetFileListMaskCallback(this.GetFileList);
return ftpCallback.BeginInvoke(mask, callback, null);
}
private delegate Int64 GetFileSizeCallback(String fileName);
public System.IAsyncResult BeginGetFileSize( String fileName, System.AsyncCallback callback )
{
GetFileSizeCallback ftpCallback = new GetFileSizeCallback(this.GetFileSize);
return ftpCallback.BeginInvoke(fileName, callback, null);
}
private delegate void DownloadCallback(String remFileName);
public System.IAsyncResult BeginDownload( String remFileName, System.AsyncCallback callback )
{
DownloadCallback ftpCallback = new DownloadCallback(this.Download);
return ftpCallback.BeginInvoke(remFileName, callback, null);
}
private delegate void DownloadFileNameResumeCallback(String remFileName,Boolean resume);
public System.IAsyncResult BeginDownload( String remFileName,Boolean resume, System.AsyncCallback callback )
{
DownloadFileNameResumeCallback ftpCallback = new DownloadFileNameResumeCallback(this.Download);
return ftpCallback.BeginInvoke(remFileName, resume, callback, null);
}
private delegate void DownloadFileNameFileNameCallback(String remFileName,String locFileName);
public System.IAsyncResult BeginDownload( String remFileName,String locFileName, System.AsyncCallback callback )
{
DownloadFileNameFileNameCallback ftpCallback = new DownloadFileNameFileNameCallback(this.Download);
return ftpCallback.BeginInvoke(remFileName, locFileName, callback, null);
}
private delegate void DownloadFileNameFileNameResumeCallback(String remFileName,String locFileName,Boolean resume);
public System.IAsyncResult BeginDownload( String remFileName,String locFileName,Boolean resume, System.AsyncCallback callback )
{
DownloadFileNameFileNameResumeCallback ftpCallback = new DownloadFileNameFileNameResumeCallback(this.Download);
return ftpCallback.BeginInvoke(remFileName, locFileName, resume, callback, null);
}
private delegate void UploadCallback(String fileName);
public System.IAsyncResult BeginUpload( String fileName, System.AsyncCallback callback )
{
UploadCallback ftpCallback = new UploadCallback(this.Upload);
return ftpCallback.BeginInvoke(fileName, callback, null);
}
private delegate void UploadFileNameResumeCallback(String fileName,Boolean resume);
public System.IAsyncResult BeginUpload( String fileName,Boolean resume, System.AsyncCallback callback )
{
UploadFileNameResumeCallback ftpCallback = new UploadFileNameResumeCallback(this.Upload);
return ftpCallback.BeginInvoke(fileName, resume, callback, null);
}
private delegate void UploadDirectoryCallback(String path,Boolean recurse);
public System.IAsyncResult BeginUploadDirectory( String path,Boolean recurse, System.AsyncCallback callback )
{
UploadDirectoryCallback ftpCallback = new UploadDirectoryCallback(this.UploadDirectory);
return ftpCallback.BeginInvoke(path, recurse, callback, null);
}
private delegate void UploadDirectoryPathRecurseMaskCallback(String path,Boolean recurse,String mask);
public System.IAsyncResult BeginUploadDirectory( String path,Boolean recurse,String mask, System.AsyncCallback callback )
{
UploadDirectoryPathRecurseMaskCallback ftpCallback = new UploadDirectoryPathRecurseMaskCallback(this.UploadDirectory);
return ftpCallback.BeginInvoke(path, recurse, mask, callback, null);
}
private delegate void DeleteFileCallback(String fileName);
public System.IAsyncResult BeginDeleteFile( String fileName, System.AsyncCallback callback )
{
DeleteFileCallback ftpCallback = new DeleteFileCallback(this.DeleteFile);
return ftpCallback.BeginInvoke(fileName, callback, null);
}
private delegate void RenameFileCallback(String oldFileName,String newFileName,Boolean overwrite);
public System.IAsyncResult BeginRenameFile( String oldFileName,String newFileName,Boolean overwrite, System.AsyncCallback callback )
{
RenameFileCallback ftpCallback = new RenameFileCallback(this.RenameFile);
return ftpCallback.BeginInvoke(oldFileName, newFileName, overwrite, callback, null);
}
private delegate void MakeDirCallback(String dirName);
public System.IAsyncResult BeginMakeDir( String dirName, System.AsyncCallback callback )
{
MakeDirCallback ftpCallback = new MakeDirCallback(this.MakeDir);
return ftpCallback.BeginInvoke(dirName, callback, null);
}
private delegate void RemoveDirCallback(String dirName);
public System.IAsyncResult BeginRemoveDir( String dirName, System.AsyncCallback callback )
{
RemoveDirCallback ftpCallback = new RemoveDirCallback(this.RemoveDir);
return ftpCallback.BeginInvoke(dirName, callback, null);
}
private delegate void ChangeDirCallback(String dirName);
public System.IAsyncResult BeginChangeDir( String dirName, System.AsyncCallback callback )
{
ChangeDirCallback ftpCallback = new ChangeDirCallback(this.ChangeDir);
return ftpCallback.BeginInvoke(dirName, callback, null);
}
#endregion
}
}
