Izvrsavanje FTP komandi iz C# programa...

Code:

private Socket OpenSocketForTransfer()
{
            ExecuteCMD("PASV");
            if (_statusCode != 227)
                {
                     throw new FtpException(result.Substring(4));
                    }
            
            
            int idx1 = result.IndexOf('(');
            int idx2 = result.IndexOf(')');
            
            string ipData = result.Substring((idx1 + 1), (idx2 - idx1) - 1);
            
            int[] msgSegments = new int[6];
            
            int msgLength = ipData.Length;
            int partCount = 0;
            string buffer = "";
            
            for (int i = 0; i < msgLength && partCount <= 6; i++)
            {
                
                char chr = char.Parse(ipData.Substring(i, 1));
                
                if (char.IsDigit(chr))
                {
                    //since its a number we add it to our buffer variable
                    buffer += chr;
                }
                
                else if (chr != ',')
                {
                
                    throw new FtpException("Malformed PASV result: " + result);
                }
                else
                {
                    
                    if (chr == ',' || i + 1 == msgLength)
                    {
                        try
                        {
                            msgSegments[partCount++] = int.Parse(buffer);
                            buffer = "";
                        }
                        
                        catch (Exception ex)
                        {
                            throw new FtpException("Malformed PASV result (not supported?): " + result, ex);
                        }
                    }
                }
            }

            string segment5 = ipData.Substring(ipData.Length - 3, 3);
            if (segment5.Contains(","))
            {
                int position = segment5.IndexOf(',');
                segment5 = segment5.Substring(position+1);
            }
            msgSegments[5] = int.Parse(segment5);
            
            string ipAddress = msgSegments[0] + "." + msgSegments[1] + "." + msgSegments[2] + "." + msgSegments[3];
            
            int port = (msgSegments[4] << 8) + msgSegments[5];
            Socket tranferSocket = null;
            IPEndPoint ipEndPoint = null;

            try
            {
            
                tranferSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
                ipEndPoint = new IPEndPoint(Dns.GetHostEntry("Broan01").AddressList[0], port);
                tranferSocket.Connect(ipEndPoint);
            }
            catch (Exception ex)
            {
            
                if (tranferSocket != null && tranferSocket.Connected) tranferSocket.Close();
            
                throw new FtpException("Can't connect to remote server", ex);
            }

            return tranferSocket;

Code:

string cmd = "QUOTE RCMD SUPLISTCL CSTNBR('10593')";

Byte[] cmdBytes = Encoding.ASCII.GetBytes((msg + "\r\n").ToCharArray());
ftpSocket.Send(cmdBytes, cmdBytes.Length, 0);
//Sada ide onaj deo gde osluskujem response i ako je ok onda ide =>

string cmd = "GET /FOLDER/M88888.TXT C:/PLIST88888.TXT ";

Byte[] cmdBytes = Encoding.ASCII.GetBytes((msg + "\r\n").ToCharArray());
ftpSocket.Send(cmdBytes, cmdBytes.Length, 0);

Code:

string cmd = "QUOTE RCMD SUPLISTCL CSTNBR('10593')";

Byte[] cmdBytes = Encoding.ASCII.GetBytes((msg + "\r\n").ToCharArray());
ftpSocket.Send(cmdBytes, cmdBytes.Length, 0);

Code:

 public void DownloadFile(string ftpFile, string localFile, Boolean resume)
        {
            if (!_isLoggedIn)
            {
               
                throw new FtpException("You need to log in before you can perform this operation");
            }

            IsBinary = true;
            
            Tracer.TraceMessage("Downloading file " + ftpFile + " from " + _ftpServer + "/" + _ftpPath, "FtpClient");
            
            if (localFile.Equals(""))
            {
                localFile = ftpFile;
            }
            
            FileStream output = null;
      
            if (!File.Exists(localFile))
            {
                output = File.Create(localFile);
            }
            else
            {
                
                output = new FileStream(localFile, FileMode.Open);
            }

           
            Socket dataSocket = OpenSocketForTransfer();
      
            long resumeOffset = 0;
      
            if (resume)
            {
                resumeOffset = output.Length;
                if (resumeOffset > 0)
                {
                    ExecuteCMD("REST " + resumeOffset);
                  
                    if (_statusCode != 350)
                    {
                        resumeOffset = 0;
                        Tracer.TraceMessage("Resuming not supported:" + result.Substring(4), "FtpClient");
                    }
                    else
                    {
                        Tracer.TraceMessage("Resuming at offset " + resumeOffset, "FtpClient");                  
                        output.Seek(resumeOffset, SeekOrigin.Begin);
                    }
                }
            }
            ExecuteCMD("RETR " + ftpFile);
            if (_statusCode != 150 && _statusCode != 125)
            {
                throw new FtpException(result.Substring(4));
            }
            DateTime timeout = DateTime.Now.AddSeconds(_timeOut);
            while (timeout > DateTime.Now)
            {
                bytes = dataSocket.Receive(buffer, buffer.Length, 0);
                output.Write(buffer, 0, bytes);              
                if (bytes <= 0)
                {
                    break;
                }
            }
            output.Close();
            if (dataSocket.Connected)
            {
                dataSocket.Close();
            }
            readResponse();         
            if (_statusCode != 226 && _statusCode != 250)
            {
                throw new FtpException(result.Substring(4));
            }
        }

     private Socket OpenSocketForTransfer()
        {
            ExecuteCMD("PASV");
            if (_statusCode != 227)
            {
                throw new FtpException(result.Substring(4));
            }
            Tracer.TraceMessage("Result: " + result, "");
            int idx1 = result.IndexOf('(');
            int idx2 = result.IndexOf(')');
            string ipData = result.Substring((idx1 + 1), (idx2 - idx1) - 1);
            Tracer.TraceMessage(ipData, "");
            int[] msgSegments = new int[6];
            int msgLength = ipData.Length;
            int partCount = 0;
            string buffer = "";
            for (int i = 0; i < msgLength && partCount <= 6; i++)
            {
                char chr = char.Parse(ipData.Substring(i, 1));
                if (char.IsDigit(chr))
                {
                    buffer += chr;
                }
                else if (chr != ',')
                {
                    throw new FtpException("Malformed PASV result: " + result);
                }
                else
                {
                    if (chr == ',' || i + 1 == msgLength)
                    {
                        try
                        {
                            msgSegments[partCount++] = int.Parse(buffer);
                            buffer = "";
                        }
                        //handle any exceptions thrown
                        catch (Exception ex)
                        {
                            throw new FtpException("Malformed PASV result (not supported?): " + result, ex);
                        }
                    }
                }
            }

            string segment5 = ipData.Substring(ipData.Length - 3, 3);
            if (segment5.Contains(","))
            {
                int position = segment5.IndexOf(',');
                segment5 = segment5.Substring(position + 1);
            }
            msgSegments[5] = int.Parse(segment5);
            string ipAddress = msgSegments[0] + "." + msgSegments[1] + "." + msgSegments[2] + "." + msgSegments[3];
            int port = (msgSegments[4] << 8) + msgSegments[5];
            Socket tranferSocket = null;
            IPEndPoint ipEndPoint = null;

            try
            {
                tranferSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
                ipEndPoint = new IPEndPoint(Dns.Resolve(ipAddress).AddressList[0], port);
                tranferSocket.Connect(ipEndPoint);
            }
            catch (Exception ex)
            {
                if (tranferSocket != null && tranferSocket.Connected) tranferSocket.Close();
                throw new FtpException("Can't connect to remote server", ex);
            }
            return tranferSocket;
        }