Sftp.cs :  » Network-Clients » SharpSSH » Tamir » SharpSsh » C# / CSharp Open Source

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C# / C Sharp
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C# / CSharp Open Source » Network Clients » SharpSSH 
SharpSSH » Tamir » SharpSsh » Sftp.cs
using System;
using Tamir.SharpSsh.jsch;
using System.Collections;

/* 
 * Sftp.cs
 * 
 * Copyright (c) 2006 Tamir Gal, http://www.tamirgal.com, All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *    1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *
 *      2. Redistributions in binary form must reproduce the above copyright 
 *    notice, this list of conditions and the following disclaimer in 
 *    the documentation and/or other materials provided with the distribution.
 *
 *      3. The names of the authors may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR
 *  *OR ANY CONTRIBUTORS TO THIS SOFTWARE BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * 
 **/

namespace Tamir.SharpSsh{
  public class Sftp : SshTransferProtocolBase
  {
    private MyProgressMonitor m_monitor;
    private bool cancelled = false;

    public Sftp(string sftpHost, string user, string password)
      : base(sftpHost, user, password)
    {
      Init();
    }

    public Sftp(string sftpHost, string user)
      : base(sftpHost, user)
    {
      Init();
    }

    private void Init()
    {
      m_monitor = new MyProgressMonitor(this);
    }

    protected override string ChannelType
    {
      get { return "sftp"; }
    }

    private ChannelSftp SftpChannel
    {
      get { return (ChannelSftp)m_channel; }
    }

    public override void Cancel()
    {
      cancelled = true;
    }

    //Get

    public void Get(string fromFilePath)
    {
      Get(fromFilePath, ".");
    }

    public void Get(string[] fromFilePaths)
    {
      for (int i = 0; i < fromFilePaths.Length; i++)
      {
        Get(fromFilePaths[i]);
      }
    }

    public void Get(string[] fromFilePaths, string toDirPath)
    {
      for (int i = 0; i < fromFilePaths.Length; i++)
      {
        Get(fromFilePaths[i], toDirPath);
      }
    }

    public override void Get(string fromFilePath, string toFilePath)
    {
      cancelled=false;
      SftpChannel.get(fromFilePath, toFilePath, m_monitor, ChannelSftp.OVERWRITE);
    }

    //Put

    public void Put(string fromFilePath)
    {
      Put(fromFilePath, ".");
    }

    public void Put(string[] fromFilePaths)
    {
      for (int i = 0; i < fromFilePaths.Length; i++)
      {
        Put(fromFilePaths[i]);
      }
    }

    public void Put(string[] fromFilePaths, string toDirPath)
    {
      for (int i = 0; i < fromFilePaths.Length; i++)
      {
        Put(fromFilePaths[i], toDirPath);
      }
    }

    public override void Put(string fromFilePath, string toFilePath)
    {
      cancelled=false;
      SftpChannel.put(fromFilePath, toFilePath, m_monitor, ChannelSftp.OVERWRITE);
    }

    //MkDir

    public override  void Mkdir(string directory)
    {
      SftpChannel.mkdir(directory);
    }

    //Ls

    public ArrayList GetFileList(string path)
    {
      ArrayList list = new ArrayList();
      foreach(Tamir.SharpSsh.jsch.ChannelSftp.LsEntry entry in SftpChannel.ls(path))
      {
        list.Add(entry.getFilename().ToString());
      }
      return list;
    }

    #region ProgressMonitor Implementation

    private class MyProgressMonitor : SftpProgressMonitor
    {
      private long transferred = 0;
      private long total = 0;
      private int elapsed = -1;
      private Sftp m_sftp;
      private string src;
      private string dest;

      System.Timers.Timer timer;

      public MyProgressMonitor(Sftp sftp)
      {
        m_sftp = sftp;
      }

      public override void init(int op, String src, String dest, long max)
      {
        this.src=src;
        this.dest=dest;
        this.elapsed = 0;
        this.total = max;
        timer = new System.Timers.Timer(1000);
        timer.Start();
        timer.Elapsed += new System.Timers.ElapsedEventHandler(timer_Elapsed);

        string note;
        if (op.Equals(GET))
        {
          note = "Downloading " + System.IO.Path.GetFileName( src ) + "...";
        }
        else
        {
          note = "Uploading " + System.IO.Path.GetFileName( src ) + "...";
        }
        m_sftp.SendStartMessage(src, dest, (int)total, note);
      }
      public override bool count(long c)
      {
        this.transferred += c;
        string note = ("Transfering... [Elapsed time: " + elapsed + "]");
        m_sftp.SendProgressMessage(src, dest, (int)transferred, (int)total, note);
        return !m_sftp.cancelled;
      }
      public override void end()
      {
        timer.Stop();
        timer.Dispose();
        string note = ("Done in " + elapsed + " seconds!");
        m_sftp.SendEndMessage(src, dest, (int)transferred, (int)total, note);
        transferred = 0;
        total = 0;
        elapsed = -1;
        src=null;
        dest=null;
      }

      private void timer_Elapsed(object sender, System.Timers.ElapsedEventArgs e)
      {
        this.elapsed++;
      }
    }

    #endregion ProgressMonitor Implementation
  }  
}
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