private void OnUploaded(object sender, FTPFileTransferEventArgs e)
{
if (OnTransfering == null)
{
return;
}
Status status = e.Cancel ? Status.Canceled : (e.Succeeded ? Status.Finished : Status.Failed);
#region 怀疑 edtFtp 组件的完成状态判断有 BUG，这里多校验一次
if (status == Status.Finished)
{
if (e.RemoteFileSize != e.LocalFileSize)
{
status = Status.Failed;
}
}
#endregion
TransferEventArgs arg = new TransferEventArgs();
arg.TransferStatus = status;
arg.FileSize = this.FileSize;
arg.TransferredSize = this.TransferredSize;
arg.Exception = e.Exception;
OnTransfering(sender, arg);
}
/// <summary>
/// 传输过程的委托时间
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void On_Transfering(object sender, TransferEventArgs e)
{
_TransferStatus = e.TransferStatus;
_FileSize = e.FileSize;
_TransferredSize = e.TransferredSize;
_Exception = e.Exception;
if ((e.TransferStatus != Status.Connecting) && (e.TransferStatus != Status.Transfering))
{
ftp.AsynchronousDisconnect();
}
}
private void OnBytesTransferred(object sender, BytesTransferredEventArgs e)
{
if (OnTransfering == null)
{
return;
}
this.TransferredSize = this.TargetOriginalFileSize + e.ByteCount;
TransferEventArgs arg = new TransferEventArgs();
arg.TransferStatus = Status.Transfering;
arg.FileSize = this.FileSize;
arg.TransferredSize = this.TransferredSize;
arg.Exception = null;
OnTransfering(sender, arg);
}
private void OnUploading(object sender, FTPFileTransferEventArgs e)
{
if (OnTransfering == null)
{
return;
}
this.FileSize = e.LocalFileSize;
this.TargetOriginalFileSize = e.Append ? e.RemoteFileSize : 0;
TransferEventArgs arg = new TransferEventArgs();
arg.TransferStatus = Status.Transfering;
arg.FileSize = this.FileSize;
arg.TransferredSize = this.TransferredSize;
arg.Exception = e.Exception;
OnTransfering(sender, arg);
}
/// <summary>
/// 连接 FTP 服务器
/// </summary>
/// <returns></returns>
public bool Connect()
{
this.FileSize = 0;
this.TransferredSize = 0;
this.TargetOriginalFileSize = 0;
TransferEventArgs arg = new TransferEventArgs();
if (OnTransfering != null)
{
arg.TransferStatus = Status.Connecting;
arg.FileSize = 0;
arg.TransferredSize = 0;
arg.Exception = null;
OnTransfering(this.m_pFtp, arg);
}
try
{
m_pFtp.Connect();
}
catch (Exception e)
{
if (OnTransfering != null)
{
arg.TransferStatus = Status.Failed;
arg.FileSize = 0;
arg.TransferredSize = 0;
arg.Exception = e;
OnTransfering(this.m_pFtp, arg);
}
else
{
throw e;
}
}
return(m_pFtp.IsConnected);
}
/// <summary>
/// 异步下载文件
/// </summary>
/// <param name="localFileName"></param>
/// <param name="remoteFileName"></param>
/// <param name="mode"></param>
public void _AsynchronousDownload(string localFileName, string remoteFileName, OverrideMode mode)
{
TransferEventArgs arg = new TransferEventArgs();
long localFileSize = 0;
long remoteFileSize = 0;
bool localExists = false;
bool remoteExists = false;
#region Get remote file information.
try
{
remoteExists = FileExists(remoteFileName);
}
catch (Exception e)
{
if (OnTransfering != null)
{
arg.TransferStatus = Status.Failed;
arg.FileSize = 0;
arg.TransferredSize = 0;
arg.Exception = e;
OnTransfering(this, arg);
return;
}
throw e;
}
if (!remoteExists)
{
if (OnTransfering != null)
{
arg.TransferStatus = Status.Failed;
arg.FileSize = 0;
arg.TransferredSize = 0;
arg.Exception = new Exception("远程文件 " + remoteFileName + " 不存在。");
OnTransfering(this, arg);
return;
}
throw new Exception("远程文件 " + remoteFileName + " 不存在。");
}
try
{
remoteFileSize = GetFileSize(remoteFileName);
}
catch (Exception e)
{
if (OnTransfering != null)
{
arg.TransferStatus = Status.Failed;
arg.FileSize = 0;
arg.TransferredSize = 0;
arg.Exception = e;
OnTransfering(this, arg);
return;
}
throw e;
}
#endregion
#region Get local file information.
FileInfo fi = new FileInfo(localFileName);
localExists = fi.Exists;
if (localExists)
{
localFileSize = fi.Length;
}
#endregion
#region If local file is exists and wanring then return.
if (localExists && (mode == OverrideMode.Wanring))
{
if (OnTransfering != null)
{
arg.TransferStatus = Status.Exists;
arg.FileSize = 0;
arg.TransferredSize = 0;
arg.Exception = new Exception("本地文件 " + localFileName + " 已存在。");
OnTransfering(this, arg);
return;
}
throw new Exception("本地文件 " + localFileName + " 已存在。");
}
#endregion
#region Resume but local file is not exists.
if ((mode == OverrideMode.Resume) && (!localExists))
{
if (OnTransfering != null)
{
arg.TransferStatus = Status.Failed;
arg.FileSize = 0;
arg.TransferredSize = 0;
arg.Exception = new Exception("本地文件 " + localFileName + " 不存在。");
OnTransfering(this, arg);
return;
}
throw new Exception("本地文件 " + localFileName + " 不存在。");
}
#endregion
#region Local file be using.
if (FileUsing(localFileName))
{
if (OnTransfering != null)
{
arg.TransferStatus = Status.Using;
arg.FileSize = 0;
arg.TransferredSize = 0;
arg.Exception = new Exception("本地文件 " + localFileName + " 被占用。");
OnTransfering(this, arg);
return;
}
throw new Exception("本地文件 " + localFileName + " 被占用。");
}
#endregion
#region Resume
if (mode == OverrideMode.Resume)
{
if (localFileSize == remoteFileSize)
{
if (OnTransfering != null)
{
arg.TransferStatus = Status.Finished;
arg.FileSize = remoteFileSize;
arg.TransferredSize = remoteFileSize;
arg.Exception = null;
OnTransfering(this, arg);
}
return;
}
else if (localFileSize > remoteFileSize)
{
if (OnTransfering != null)
{
arg.TransferStatus = Status.Failed;
arg.FileSize = 0;
arg.TransferredSize = 0;
arg.Exception = new Exception("本地文件 " + localFileName + " 大小异常。");
OnTransfering(this, arg);
return;
}
throw new Exception("本地文件 " + localFileName + " 大小异常。");
}
try
{
m_pFtp.ResumeNextTransfer();
m_pFtp.DownloadFile(localFileName, remoteFileName);
m_pFtp.CancelResume();
}
catch (Exception e)
{
if (OnTransfering != null)
{
arg.TransferStatus = Status.Failed;
arg.FileSize = this.FileSize;
arg.TransferredSize = this.TransferredSize;
arg.Exception = e;
OnTransfering(this, arg);
return;
}
throw e;
}
return;
}
#endregion
#region Delete local file when local is exists.
if (localExists)
{
try
{
System.IO.File.Delete(localFileName);
}
catch (Exception e)
{
if (OnTransfering != null)
{
arg.TransferStatus = Status.Failed;
arg.FileSize = this.FileSize;
arg.TransferredSize = this.TransferredSize;
arg.Exception = e;
OnTransfering(this, arg);
return;
}
throw e;
}
}
#endregion
#region Create local dir
if (!localExists)
{
string path = Path.GetDirectoryName(localFileName);
if (!Directory.Exists(path))
{
try
{
Directory.CreateDirectory(path);
}
catch (Exception e)
{
if (OnTransfering != null)
{
arg.TransferStatus = Status.Failed;
arg.FileSize = 0;
arg.TransferredSize = 0;
arg.Exception = e;
OnTransfering(this, arg);
return;
}
throw e;
}
}
}
#endregion
#region Download file.
try
{
m_pFtp.CancelResume();
m_pFtp.DownloadFile(localFileName, remoteFileName);
}
catch (Exception e)
{
if (OnTransfering != null)
{
arg.TransferStatus = Status.Failed;
arg.FileSize = this.FileSize;
arg.TransferredSize = this.TransferredSize;
arg.Exception = e;
OnTransfering(this, arg);
return;
}
throw e;
}
#endregion
}
/// <summary>
/// 异步上传文件
/// </summary>
/// <param name="localFileName"></param>
/// <param name="remoteFileName"></param>
/// <param name="mode"></param>
public void _AsynchronousUpdate(string localFileName, string remoteFileName, OverrideMode mode)
{
TransferEventArgs arg = new TransferEventArgs();
long LocalFileSize = 0;
long RemoteFileSize = 0;
bool localExists = false;
bool remoteExists = false;
#region Get local file information.
FileInfo fi = new FileInfo(localFileName);
localExists = fi.Exists;
if (!localExists)
{
if (OnTransfering != null)
{
arg.TransferStatus = Status.Failed;
arg.FileSize = 0;
arg.TransferredSize = 0;
arg.Exception = new Exception("本地文件 " + localFileName + " 不存在。");
OnTransfering(this, arg);
return;
}
throw new Exception("本地文件 " + localFileName + " 不存在。");
}
LocalFileSize = fi.Length;
#endregion
#region Get remote file is exists.
try
{
remoteExists = FileExists(remoteFileName);
}
catch (Exception e)
{
if (OnTransfering != null)
{
arg.TransferStatus = Status.Failed;
arg.FileSize = 0;
arg.TransferredSize = 0;
arg.Exception = e;
OnTransfering(this, arg);
return;
}
throw e;
}
#endregion
#region If remote file is exists and wanring then return.
if ((remoteExists) && (mode == OverrideMode.Wanring))
{
if (OnTransfering != null)
{
arg.TransferStatus = Status.Exists;
arg.FileSize = 0;
arg.TransferredSize = 0;
arg.Exception = new Exception("远程文件 " + remoteFileName + " 已存在。");
OnTransfering(this, arg);
return;
}
throw new Exception("远程文件 " + remoteFileName + " 已存在。");
}
#endregion
#region Get remote file size.
if (remoteExists)
{
try
{
RemoteFileSize = GetFileSize(remoteFileName);
}
catch (Exception e)
{
if (OnTransfering != null)
{
arg.TransferStatus = Status.Failed;
arg.FileSize = 0;
arg.TransferredSize = 0;
arg.Exception = e;
OnTransfering(this, arg);
return;
}
throw e;
}
}
#endregion
#region Resume but remote file is not exists.
if ((mode == OverrideMode.Resume) && (!remoteExists))
{
if (OnTransfering != null)
{
arg.TransferStatus = Status.Failed;
arg.FileSize = 0;
arg.TransferredSize = 0;
arg.Exception = new Exception("远程文件 " + remoteFileName + " 不存在。");
OnTransfering(this, arg);
return;
}
throw new Exception("远程文件 " + remoteFileName + " 不存在。");
}
#endregion
#region Resume
if (mode == OverrideMode.Resume)
{
if (RemoteFileSize == LocalFileSize)
{
if (OnTransfering != null)
{
arg.TransferStatus = Status.Finished;
arg.FileSize = LocalFileSize;
arg.TransferredSize = LocalFileSize;
arg.Exception = null;
OnTransfering(this, arg);
}
return;
}
else if (RemoteFileSize > LocalFileSize)
{
if (OnTransfering != null)
{
arg.TransferStatus = Status.Failed;
arg.FileSize = 0;
arg.TransferredSize = 0;
arg.Exception = new Exception("远程文件 " + remoteFileName + " 大小异常。");
OnTransfering(this, arg);
return;
}
throw new Exception("远程文件 " + remoteFileName + " 大小异常。");
}
try
{
m_pFtp.ResumeNextTransfer();
m_pFtp.UploadFile(localFileName, remoteFileName);
m_pFtp.CancelResume();
}
catch (Exception e)
{
if (OnTransfering != null)
{
arg.TransferStatus = Status.Failed;
arg.FileSize = 0;
arg.TransferredSize = 0;
arg.Exception = e;
OnTransfering(this, arg);
return;
}
throw e;
}
return;
}
#endregion
#region Delete remote file when remote is exists.
if (remoteExists)
{
try
{
DeleteFile(remoteFileName);
}
catch (Exception e)
{
if (OnTransfering != null)
{
arg.TransferStatus = Status.Failed;
arg.FileSize = this.FileSize;
arg.TransferredSize = this.TransferredSize;
arg.Exception = e;
OnTransfering(this, arg);
return;
}
throw e;
}
}
#endregion
#region Create remote dir
if (!remoteExists)
{
string path = Path.GetDirectoryName(remoteFileName).Replace('\\', '/').TrimStart('/');
try
{
if (!DirectoryExists(path))
{
CreateDirectory(path);
}
}
catch (Exception e)
{
if (OnTransfering != null)
{
arg.TransferStatus = Status.Failed;
arg.FileSize = this.FileSize;
arg.TransferredSize = this.TransferredSize;
arg.Exception = e;
OnTransfering(this, arg);
return;
}
throw e;
}
}
#endregion
#region Upload file.
try
{
m_pFtp.CancelResume();
m_pFtp.UploadFile(localFileName, remoteFileName);
}
catch (Exception e)
{
if (OnTransfering != null)
{
arg.TransferStatus = Status.Failed;
arg.FileSize = this.FileSize;
arg.TransferredSize = this.TransferredSize;
arg.Exception = e;
OnTransfering(this, arg);
return;
}
throw e;
}
#endregion
}
