如何用C#写Ftp文件上传方面的程序????????

[email protected]
我要，谢谢

俺也要了，[email protected]
谢了

to:　CForce()
我收到了，可是什么也没有，既没有附件，也没有任何文字，能再发一遍吗?
[email protected]
or
[email protected]
thanks

to javanow(苏珊娜别哭泣) and gap435(晕):
不好意思，两位，检查了一下，给你们的邮件真的无附件。重发了，这次应该不会错了。

我也想要！！
[email protected]
谢谢！！

给我一份 [email protected]

我也要,哈哈,没来晚吧:)[email protected]

我要~~~~~~~~~~~~~~
谢谢[email protected]

可以给我也发一个么？？？
[email protected]

namespace FTP_Server
{
    using System;
using System.Net;
using System.Net.Sockets;
using System.IO;
using System.Text;
using System.Threading;
    /// <summary>
    ///    Server Implementing some of the FTP Protocols
    /// </summary>
    public delegate void CloseFTP();
public delegate void Connected(Thread oThread,string IP);
public delegate void Disconnected(Thread oThread,string IP);
public delegate void Disconnect(Thread oThread);
public class FTPServer
    {
        private TCPListener FTPCommandListner;
private Socket ClientSocket;
private static int ClientID=0;
private string ClientIP;
private static int intPort;
private bool bClose=false;
//Declare a Private Delegate that will be raised when client ask for Passive mode
//for Data Transfer
//private delegate Socket PassiveSocket(ref TCPListener clientDataListner);
//Declare a reference to an Client delegate
//Register the delegate to raise event for the Console update
private OnMsgArrived onMsgArrived=new OnMsgArrived(Console.ClientConnect);

public FTPServer()
{

} public void Dispose()
{
if (FTPCommandListner!=null)
{
bClose=true;
Thread.CurrentThread.Join(1000);
if(FTPCommandListner.Pending())
{
FTPCommandListner.Stop();
}
//FTPCommandListner.Stop();
}
}
public bool Close
{
set
{
bClose=value;
}
}
public Thread Start()
{
Thread startFTPServer=new Thread(new ThreadStart(Run));
startFTPServer.Start();
return startFTPServer;
} public void EndSession()
{
if (FTPCommandListner!=null)
{
bClose=true;
FTPCommandListner.Stop();
}
}

private void  Run()
        {
Thread ClientThread;
FTPCommandListner=new TCPListener(21);
FTPCommandListner.Start();
            try
{
while (true)
{
ClientSocket=FTPCommandListner.Accept();
ClientThread=new Thread(new ThreadStart(FTPClientThread));
ClientIP=ClientSocket.RemoteEndpoint.ToString();
//Raise Event
ClientID++;
onMsgArrived(ClientID,ClientIP);
Connected clientConnected=new Connected(Console.Connected);
clientConnected(ClientThread,ClientIP);
ClientThread.Start();
}
}
catch(ThreadInterruptedException e)
{
Thread.CurrentThread.Abort();
}
catch(ThreadStopException e)
{
System.Console.WriteLine("Thread killed");
}
        } private void FTPClientThread()
{
int Port=0;
string user="",dir="/";
string PresentDirOnFTP="/";
string rootDirOnSystem="C:";
int ClientID =  FTPServer.ClientID;
TCPListener FTPDataListner=null;
TCPClient FTPDataClient=null;
Socket ClientSocket=this.ClientSocket;
Socket PassiveClientDataSocket=null;
bool PassiveMode=false;
string serverMsg="";
string strIP=ClientSocket.RemoteEndpoint.ToString();
try
{
//Open a Buffered Network Stream for PI(Protocol Interpreter) IN.
NetworkStream inBuffer=new NetworkStream(ClientSocket,FileAccess.Read);
//Open a Buffered Network Stream for PI(Protocol Interpreter) OUT.
NetworkStream outBuffer=new NetworkStream(ClientSocket,FileAccess.Write);
//Open a Buffered Network Stream for DTP (Data Transfer Protocol).
NetworkStream nwClientData;
string oldFileName="";
//Send Greeting to Client
serverMsg="220 FTP server[FTP Server in C# by Pramod Kumar Singh]\r\n" ;
SendMsg(serverMsg,ref outBuffer);
bool done = false;
    while(!done)
{
//break for some time
//other wise with the loop the CPU is 100%
Thread.Sleep(100);
if(!bClose)
{
string clientMsg ;
//Poll on the Socket to see do we have data to read
clientMsg=ReadMsgFromBuffer(ref ClientSocket,ref inBuffer);
string strSwitchExpression=clientMsg.Length==0?"": clientMsg.Substring(0,4).Trim();
//Parse the FTP Command from Client.
//Tested all the Commands here with Microsoft Command Prompt FTP .
strSwitchExpression=strSwitchExpression.ToUpper();
switch(strSwitchExpression)
{
case "USER":
Console.ClientConnect(ClientID,clientMsg);
user = clientMsg.Substring(4).Trim();
SendMsg("331 Password\r\n",ref outBuffer);
break;
case "PASS":
Console.ClientConnect(ClientID,clientMsg);
SendMsg("230 User "+ user +" logged in\r\n",ref outBuffer);
break;
case "XCWD":
goto case "CWD";
case "CDUP":
Console.ClientConnect(ClientID,clientMsg);
//Move up one directory
string changeToDir ="..";
SendMsg(ChangeDirectory(rootDirOnSystem,ref PresentDirOnFTP,changeToDir),ref outBuffer);
break;
case "XCUP":
//Move up one directory
Console.ClientConnect(ClientID,clientMsg);
changeToDir ="..";
SendMsg(ChangeDirectory(rootDirOnSystem,ref PresentDirOnFTP,changeToDir),ref outBuffer);
break;
case "CWD":
Console.ClientConnect(ClientID,clientMsg);
changeToDir =clientMsg.Substring(3).Trim();
SendMsg(ChangeDirectory(rootDirOnSystem,ref PresentDirOnFTP,changeToDir),ref outBuffer);
break;
case "PORT":
Console.ClientConnect(ClientID,clientMsg);
PortData(clientMsg,out Port,out strIP);
PassiveMode=false;
SendMsg("200 PORT command successful\r\n",ref outBuffer);
break;
case "PASV":
Console.ClientConnect(ClientID,clientMsg);
FTPDataListner=null;
int intPassivePort=PassiveModePort(ref FTPDataListner);
string strIPAddress=ClientSocket.RemoteEndpoint.ToString();
//Remove the client Port
strIPAddress=strIPAddress.IndexOf(":")>0?strIPAddress.Substring(0,strIPAddress.IndexOf(":")):strIPAddress;
strIPAddress=strIPAddress.Replace(new string(".").ToChar(), new string(",").ToChar());
strIPAddress = strIPAddress + "," + intPassivePort / 256 + "," + (intPassivePort % 256);
SendMsg("227 Entering Passive Mode (" + strIPAddress + ")\r\n",ref outBuffer);
PassiveClientDataSocket=PassiveClientSocket(ref FTPDataListner,intPassivePort);
if(PassiveClientDataSocket==null)
{
SendMsg("425 Error in Passive Mode connection\r\n",ref outBuffer);
}
PassiveMode=true;
break;
case "TYPE":
//Emulate the TYPE Command
Console.ClientConnect(ClientID,clientMsg);
SendMsg("200 type set\r\n",ref outBuffer);
break;
case "RETR":
//Send the requested file to Client.
//Raise event for the Console Window to register the request
Console.ClientConnect(ClientID,clientMsg);
SendMsg("150 Binary data connection\r\n",ref outBuffer);
clientMsg = clientMsg.Substring(4).Trim();
//Open the requested file for Transfer.
clientMsg=clientMsg.Replace(new string("\\").ToChar(),'/');
clientMsg=(clientMsg.Substring(0,1)=="/"?clientMsg.Substring(1):clientMsg);
string strPath = rootDirOnSystem+ PresentDirOnFTP;
strPath=(strPath.Substring(strPath.Length-1,1)=="/"?strPath:strPath+"/");
strPath+=clientMsg;
nwClientData= Mode(PassiveMode,ref FTPDataClient,ref PassiveClientDataSocket,strIP,Port);
if(SendFile(strPath,ref nwClientData))
{
SendMsg("226 transfer complete\r\n",ref outBuffer);
}
else
{
SendMsg("550 file not found, or no access.\r\n",ref outBuffer);
}
PassiveMode=false;
break;
case "STOR":
//Create File on the FTP Server
SendMsg("150 Binary data connection\r\n",ref outBuffer);
Console.ClientConnect(ClientID,clientMsg);
clientMsg= clientMsg.Substring(4).Trim();
nwClientData= Mode(PassiveMode,ref FTPDataClient,ref PassiveClientDataSocket,strIP,Port);
//Open the requested file for Transfer.
clientMsg=clientMsg.Replace(new string("\\").ToChar(),'/');
clientMsg=(clientMsg.Substring(0,1)=="/"?clientMsg.Substring(1):clientMsg);
strPath = rootDirOnSystem+ PresentDirOnFTP;
strPath=(strPath.Substring(strPath.Length-1,1)=="/"?strPath:strPath+"/");
strPath+=clientMsg;
//Open the requested file for Transfer.
if(CreateFile(strPath,ref nwClientData))
{
SendMsg("226 transfer complete \r\n",ref outBuffer);
}
else
{
SendMsg("550 file not found, or no access.\r\n",ref outBuffer);
}
PassiveMode=false;
break;
case "NLST":
goto case "LIST";
case "LIST":
Console.ClientConnect(ClientID,clientMsg);
SendMsg("150 ASCII data\r\n",ref outBuffer);
nwClientData=Mode(PassiveMode,ref FTPDataClient,ref PassiveClientDataSocket,strIP,Port);
ListDirectory(rootDirOnSystem,PresentDirOnFTP,ref nwClientData);
//Close the socket to signal the End of Data Transfer
if(!PassiveMode)
{
nwClientData.Close();
}
else
{
if(PassiveClientDataSocket!=null)
{
nwClientData.Close();
}
}
SendMsg("226 Transfer complete.\r\n",ref outBuffer);
break;
case "XPWD":
goto case "PWD";
case "PWD":
Console.ClientConnect(ClientID,clientMsg);
SendMsg("257 " + "\"" + PresentDirOnFTP + "\"" + " is current directory \r\n" ,ref outBuffer);
break;
case "DELE":
//Delete the file from the Server and reply back.
Console.ClientConnect(ClientID,clientMsg);
clientMsg= clientMsg.Substring(4).Trim();
SendMsg(DeleteFileForServer(rootDirOnSystem,PresentDirOnFTP,clientMsg),ref outBuffer);
break;
case "XRMD":
goto case "RMD";
case "RMD":
//Remove Directory
Console.ClientConnect(ClientID,clientMsg);
clientMsg= clientMsg.Substring(4).Trim();
SendMsg(RemoveDirectory(rootDirOnSystem,PresentDirOnFTP,clientMsg),ref outBuffer);
break;
case "XMKD":
goto case "MKD";
case "MKD":
//Make Directory
Console.ClientConnect(ClientID,clientMsg);
clientMsg= clientMsg.Substring(4).Trim();
SendMsg(CreateDirectory(rootDirOnSystem,PresentDirOnFTP,clientMsg),ref outBuffer);
break;
case "NOOP":
SendMsg("200 NOOP command executed.\r\n",ref outBuffer);
break;
case "HELP":
//214 list of supported command
break;
case "ABOR":
goto case "QUIT";
case "QUIT":
Console.ClientConnect(ClientID,clientMsg);
if(PassiveClientDataSocket!=null)
{
PassiveClientDataSocket.Close();
}
if(FTPDataClient!=null)
{
FTPDataClient.Close();
}
SendMsg("221 GOOD BYE\r\n",ref outBuffer);
done = true;
break;
case "RNFR":
//Rename File
Console.ClientConnect(ClientID,clientMsg);
oldFileName=FilePath(rootDirOnSystem,PresentDirOnFTP,clientMsg.Substring(4).Trim());
if(File.FileExists(oldFileName))
{
SendMsg("350 Requested file action pending further info \r\n",ref outBuffer);
}
else
{
SendMsg("550 Requested file not found\r\n",ref outBuffer);
oldFileName="";
}
break;
case "RNTO":
Console.ClientConnect(ClientID,clientMsg);
if(oldFileName!="")
{
string strNewFile=FilePath(rootDirOnSystem,PresentDirOnFTP,clientMsg.Substring(4).Trim());
File.Copy(oldFileName,strNewFile);
File.Delete(oldFileName);
}
SendMsg("250 Requested file action completed. \r\n",ref outBuffer);
break;
case "REST":
SendMsg("350 Requested file action pending further info \r\n",ref outBuffer);
break;

case "": //We have recieved blank
break;
default: //We Don't understand the Command
Console.ClientConnect(ClientID,clientMsg);
SendMsg("500 Command not understood\r\n",ref outBuffer);
break;
}
}
else
{
done=true;
SendMsg("221 Connection forcefull closed. \r\n",ref outBuffer);
outBuffer.Close();
inBuffer.Close();
}
}
Disconnected clientDisconnted=new Disconnected(Console.Disconnected);
clientDisconnted(Thread.CurrentThread,ClientSocket.RemoteEndpoint.ToString());
ClientSocket.Close();
}
catch(ThreadInterruptedException e)
{
//SendMsg("221 Connection forcefull closed. \r\n",ref outBuffer);
//outBuffer.Close();
//inBuffer.Close();
Disconnected clientDisconnted=new Disconnected(Console.Disconnected);
clientDisconnted(Thread.CurrentThread,ClientSocket.RemoteEndpoint.ToString());
bClose=false;
Thread.CurrentThread.Abort();
}
catch (Exception e)
{
  //System.out.println(e);
Console.ClientConnect(ClientID,e.ToString());
}
//At the End make the flag true;
bClose=false;
}
//Interpreat the File Path
private string FilePath(string rootDirOnServer,string PresentDirOfFTP,string fileName)
{
Thread oThread =Thread.CurrentThread;
lock(oThread)
{
//Change to proper file format..
fileName= fileName.Trim();
rootDirOnServer=rootDirOnServer.Trim();
PresentDirOfFTP=PresentDirOfFTP.Trim();
rootDirOnServer=rootDirOnServer.Replace(new string("\\").ToChar(),'/');
PresentDirOfFTP=PresentDirOfFTP.Replace(new string("\\").ToChar(),'/');
fileName=fileName.Replace(new string("\\").ToChar(),'/');
//Remove the PresentDirOfFTP from filename
string root="";
string changeTo="";
//???? Open Point
if(fileName.LastIndexOf("/")>0)
{
//fileName=fileName.Remove(0,PresentDirOfFTP.Length);
fileName=fileName.Substring(0,1)!="/"?"/" +fileName : fileName;
root=rootDirOnServer + fileName;
changeTo=fileName;
}
else
{
root=rootDirOnServer + PresentDirOfFTP;
if (root.Substring(root.Length-1,1)!="/")
{
root+="/";
}
if(fileName.Substring(0,1)=="/")
{
fileName=fileName.Substring(1).Trim();
}
//Error Correction Logic
//??
string tmpRoot=root+fileName;
try
{
if(Directory.DirectoryExists(tmpRoot))
{
//Change to this Directory
root=tmpRoot;
}
else
{
//Not found try with System Root
tmpRoot=fileName.Substring(0,1)!="/"?"/" +fileName : fileName;
tmpRoot=rootDirOnServer + tmpRoot;
if(Directory.DirectoryExists(tmpRoot))
{
root=tmpRoot;
}
else
{
//Directory doen't exist...
root+=fileName;
}
}

}
catch(Exception e)
{
//No Directory Exist
root+=fileName;
}
}
return root;
}
}
//Rename the File
private string RenameTheFile(string fileName)
{
Thread oThread=Thread.CurrentThread;
lock(oThread)
{
try
{
if(File.FileExists(fileName))
{

}
}
catch(Exception e)
{
}
return null;
}
}
//Remove Directory
private string RemoveDirectory(string rootDirOnServer,string PresentDirOfFTP,string fileName)
{
Thread oThread=Thread.CurrentThread;
lock(oThread)
{
rootDirOnServer=rootDirOnServer.Replace(new string("\\").ToChar(),'/');
PresentDirOfFTP=PresentDirOfFTP.Replace(new string("\\").ToChar(),'/');
fileName=fileName.Replace(new string("\\").ToChar(),'/');
string root="";
root=rootDirOnServer + PresentDirOfFTP;
if (root.Substring(root.Length-1,1)!="/")
{
root+="/";
}
if(fileName.Substring(0,1)=="/")
{
fileName=fileName.Substring(1).Trim();
}
root+=fileName;
try
{
if(Directory.DirectoryExists(root))
{
Directory.Delete(root,true);
return "250 Directory deleted.\r\n";
}
else
{
return "550 Directory not found, or no access.\r\n";
}
}
catch(Exception e)
{
return "550 Command can't be executed.\r\n";
}
}
}
//Create Directory Command
private string CreateDirectory(string rootDirOnServer,string PresentDirOfFTP,string fileName)
{
Thread oThread =Thread.CurrentThread;
lock(oThread)
{
//Change to proper file format..
string root=FilePath(rootDirOnServer,PresentDirOfFTP,fileName);
try
{
if(Directory.DirectoryExists(root))
{
return "550 Directory already exists!\r\n";
}
else
{
Directory.CreateDirectory(root);
return "257 Directory Created.\r\n";
}
}
catch(Exception e)
{
Console.ClientConnect(ClientID,e.ToString());
return "550 Command can't executed.\r\n";
}
}
}
//Check for the directory
private string ChangeDirectory(string rootDirOnServer,ref string PresentDirOfFTP,string fileName)
{
Thread oThread =Thread.CurrentThread;
lock(oThread)
{
bool bUp =false;
string root=FilePath(rootDirOnServer,PresentDirOfFTP,fileName);
if(fileName.Length>=2)
{
if(fileName.Substring(0,2)==".." ||fileName.IndexOf("..")>0)
{
//change to parent dir..
//int iPos=fileName.IndexOf("..");
//string strChangeDir=fileName.Substring(iPos);
if(PresentDirOfFTP.Length>1)
{
string temp="";
string [] updir=fileName.Split(new char[] {'/'});
int iDirectoryUp=updir.Length;
int iStart=PresentDirOfFTP.Length;
for(int i=0;i<iDirectoryUp;i++)
{
int iPosUnder = PresentDirOfFTP.LastIndexOf("/",iStart);
temp = PresentDirOfFTP.Substring(0,iPosUnder);
iStart=iPosUnder-1;
if(iStart<=0)
{
break;
}
}
//string reverse=PresentDirOfFTP;
//StringBuilder t;
fileName=temp;
}
else if (PresentDirOfFTP.LastIndexOf("/")==0)
{
//We are at root
fileName="";
}
root=rootDirOnServer + fileName;
bUp=true ;
}
}
try
{
//Directory oDir=new Directory(root);
if(Directory.DirectoryExists(root))
{
//fileName=fileName.Substring(0,fileName.Length);
if (PresentDirOfFTP.Substring(PresentDirOfFTP.Length-1,1)=="/")
{
PresentDirOfFTP=PresentDirOfFTP.Substring(0,PresentDirOfFTP.Length-1);
}
if(bUp)
{
PresentDirOfFTP=root.Remove(0,rootDirOnServer.Length);
if(PresentDirOfFTP=="")
{
PresentDirOfFTP="/";
}
}
else
{
PresentDirOfFTP=root.Remove(0,rootDirOnServer.Length);
}
return "250 CWD command succesful\r\n";
}
else
{
Console.ClientConnect(ClientID,"Directory not found, or no access." + fileName);
return "550 Directory not found, or no access.\r\n";
}
}
catch(IOException e)
{
Console.ClientConnect(ClientID,e.ToString());
return "550 Directory not found, or no access.\r\n";
}
}
}
//Check for the FileName
private string DeleteFileForServer(string rootDirOnServer,string PresentDirOfFTP,string fileName)
{
//check for seperator
Thread oThread =Thread.CurrentThread;
lock(oThread)
{
string root=FilePath(rootDirOnServer,PresentDirOfFTP,fileName);
try
{
File oFile=new File(root);
if(oFile.FullName!="")
{
oFile.Delete();
return "250 delete command successful\r\n";
}
}
catch(FileNotFoundException e)
{
Console.ClientConnect(ClientID,e.ToString());
return "550 file not found, or no access.\r\n";
}
catch(IOException e)
{
Console.ClientConnect(ClientID,e.ToString());
return "550 file not found, or no access.\r\n";
}
Console.ClientConnect(ClientID,"Error in Deleteing file " + fileName);
return "550 file not found, or no access.\r\n";
}
}
//Directory Listing
private bool ListDirectory(string rootDirOnSystem,string PresentDirOnFTP ,ref NetworkStream nw)
{
//Open the Directory
string strPath=rootDirOnSystem + PresentDirOnFTP;
string strFileNameTemp="";
Directory oDir=new Directory(strPath);
File[] oFiles=oDir.GetFiles();
Directory[] oDirectories= oDir.GetDirectories();
try
{
foreach(File oFile in oFiles)
{
string strFile;
strFile="-rwxr--r-- 1 owner group ";
try
{
if(oFile.Name.Substring(oFile.Name.Length-4)!=".SYS")
{
strFileNameTemp=oFile.Name.Replace(new String("\\").ToChar(),'/');
//strFileNameTemp=strFileNameTemp.Remove(0,strPath.Length);
strFile+= oFile.Length + " " + oFile.LastWriteTime.Format("MMM dd  yyyy",null).ToString() + " "  + strFileNameTemp.Trim() + "\r\n";
byte[] Buffer=Encoding.ASCII.GetBytes(strFile);
try
{
if(nw.CanWrite)
{
nw.Write(Buffer,0,Buffer.Length);
}
}
catch(Exception e)
{

}
}
}
catch(Exception e)
{
//Some Error in Reading the Files Information
}
}
foreach(Directory od in oDirectories)
{
string strDirectory;
strDirectory ="drwxr-xr-x 1 owner group ";
if(od.IsDirectory)
{
strFileNameTemp=od.Name.Replace(new String("\\").ToChar(),'/');
//strFileNameTemp=strFileNameTemp.Remove(0,strPath.Length);
strDirectory+="  0  " + "  " + od.CreationTime.Format("MMM dd  yyyy",null).ToString() + "  " + strFileNameTemp.Trim() +  "\r\n";
byte[] Buffer=Encoding.ASCII.GetBytes(strDirectory);
try
{
if(nw.CanWrite)
{
nw.Write(Buffer,0,Buffer.Length);
}
}
catch(Exception e)
{

}
}
}
}
catch(IOException e)
{
Console.ClientConnect(ClientID,e.ToString());
return false;
}
return true;
}
//Check For the MODE Passive or Port
private NetworkStream Mode(bool PassiveMode,ref TCPClient client,ref Socket clientSocket,string strIP,int Port)
{
Thread oThread=Thread.CurrentThread;
NetworkStream nw=null;
lock (oThread)
{
if(PassiveMode)
{
//Socket is Opened
if (clientSocket!=null)
{
nw=new NetworkStream(clientSocket,FileAccess.ReadWrite);
}
}
else
{
//Client Need to be Connected
client=new TCPClient(strIP,Port);
nw=client.GetStream();
}
}
return nw;
}
//Read Message from Network Stream
private string ReadMsgFromBuffer(ref Socket clientSocket,ref NetworkStream inBuffer)
{
string clientMsg="";
StringBuilder clientTmp=new StringBuilder();
byte[] buffer=new Byte[1024];
int iBytes=0;
//inBuffer.Flush();
Thread oThread=Thread.CurrentThread;
lock(oThread)
{
string tmp="";
/*
iBytes=inBuffer.Read(buffer,0,buffer.Length);
tmp=Encoding.ASCII.GetString(buffer,0,iBytes);
clientTmp.Append(tmp);
*/
if(clientSocket.Available > 0)
{
while(clientSocket.Available>0)
{
iBytes=inBuffer.Read(buffer,0,buffer.Length);
tmp=Encoding.ASCII.GetString(buffer,0,iBytes);
clientTmp.Append(tmp);
}
}
clientMsg=clientTmp.ToString();
}
return clientMsg;
}
//Send Message through Network Stream
private void SendMsg(string msg,ref NetworkStream outBuffer)
{
Thread oThread=Thread.CurrentThread;
lock(oThread)
{
byte[] buffer;
buffer=Encoding.ASCII.GetBytes(msg);
outBuffer.Write(buffer,0,buffer.Length);
}
} //Read Data from File and Send to the Client
private bool SendFile(string strpath,ref NetworkStream nw)
{

Thread oThread=Thread.CurrentThread;
try
{
lock(oThread)
{
StreamReader outFile=new StreamReader(strpath);

char[] buff=new Char[1024];
int amount;
while((amount = outFile.Read(buff,0,1024)) != 0)
{
byte[] buffer = Encoding.ASCII.GetBytes(buff);
nw.Write(buffer,0,amount);
}
}
}
catch( Exception e )
{
Console.ClientConnect(ClientID,e.ToString());
nw.Close();
return false;
}
nw.Close();
return true;
} //Write Data to File and Send to the Client
private bool CreateFile(string strpath,ref NetworkStream nw)
{
Thread oThread=Thread.CurrentThread;
lock(oThread)
{
try
{
StreamWriter inFile=new StreamWriter(strpath);
byte[] buffer=new Byte[128];
int iBytes=1;
while(iBytes != 0)
{
string tmp="";
iBytes=nw.Read(buffer,0,buffer.Length);
char[] buff=Encoding.ASCII.GetChars(buffer);
inFile.Write(buff,0,buff.Length);
}
inFile.Close();
}
catch(Exception e )
{
nw.Close();
return false;
}
nw.Close();
return true;
}
} //Passive Data MODE
private int PassiveModePort(ref TCPListener clientDataListner)
{
Thread oThread = Thread.CurrentThread;
lock(oThread)
{
int intPort=0;
bool done=true;
while (done)
{
intPort=Port();
try
{
if(clientDataListner!=null)
{
clientDataListner.Stop();
}
clientDataListner=new TCPListener(intPort);
clientDataListner.Start();
//This Port is free
done=false;
}
catch (Exception e)
{
//done=false;
}
}
return intPort;
/*
strIPAddress = CStr(wscControl.LocalIP)
strSend = "PORT " & Replace(strIPAddress, ".", ",")
strSend = strSend & "," & intPort \ 256 & "," & (intPort Mod 256)
strSend = strSend & vbCrLf
wscControl.SendData strSend
*/
}
}

//Passive Mode Data Transfer Listner.
private Socket PassiveClientSocket(ref TCPListener clientDataListner,int intPort)
{
Thread oThread=Thread.CurrentThread;
lock(oThread)
{
try
{
if(clientDataListner.LocalEndpoint==null)
{
bool done=false;
Socket s=null;
try
{
s= clientDataListner.Accept();
done=true;
}
catch(Exception e)
{

}
return s;
}
else
{
Socket s= clientDataListner.Accept();
return s;
}
}
catch(Exception e)
{
Console.ClientConnect(ClientID,e.StackTrace);
}
return null;
}
}
//Get Free Port Numeber from Operating System
private int Port()
{
if(intPort==0)
{
  intPort = 1100;
}
else
{
intPort++;
}
return  intPort;
}
//Process PORT Command and get the IP and Port to Connect
//for Data Transfer
private void PortData(string clientMsg,out int Port,out string strIP)
{
Thread oThread=Thread.CurrentThread;
lock (oThread)
{
//string strDataAddress = clientMsg.Replace(',', '.', 1, 3);
Port=0;
//Remove the FTP Command
clientMsg=clientMsg.Remove(0,5);
//Remove the last two character
clientMsg=clientMsg.Substring(0,clientMsg.Length-2);
int iLen =clientMsg.Length;
int iCounter=0;
StringBuilder IP=new StringBuilder();
string clientPort="";
for(int i=0;i<iLen;i++)
{
if (clientMsg.Substring(i,1)==",")
{
iCounter++;
if(iCounter==4)
{
clientPort=clientMsg.Substring(i+1);
break;
}
else
{
IP.Append(clientMsg.Substring(i,1));
}
}
else
{
IP.Append(clientMsg.Substring(i,1));
}
}
//IP of the Client
strIP=IP.ToString().Replace(',','.');
string[] strPort=clientPort.Split(new Char[]{','});
if (strPort.Length>0)
{
Port =(int)(strPort[0].ToDecimal() * 256 + strPort[1].ToDecimal());
}
/*
iPos = InStr(1, strDataAddress, ",")
strIP = Left$(strDataAddress, iPos - 1)
lPort = CLng(Mid$(strDataAddress, iPos + 1, InStr(iPos + 1, strDataAddress, ",") - iPos))
lPort = lPort * 256
lPort = lPort + CLng(Mid$(strDataAddress, InStrRev(strDataAddress, ",") + 1))
     */
}
}
    }
}

谢了~~~
cforce()大哥留个联系方式，好吗？

我也要，有没有来晚呀，谢谢[email protected]

我也要 [email protected].
没有来晚吧！

调试易

如何用C#写Ftp文件上传方面的程序????????

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