// up- or downloads next file from file list
private void TransferNextFile()
{
string fileName = fileEnumerator.Current.Name;
string destination = fileEnumerator.Current.Destination;
// check if progress should be displayed
if (showProgress)
{
lastTransferred = 0;
SetCurrentFile(fileName);
SetCurrentProgress(0);
}
try
{
string dir = "";
if (destination.IndexOf('/') > 0)
{
dir = destination.Substring(0, destination.LastIndexOf('/'));
}
// check if file should be up- or downloaded
if (download)
{
// create directory if doesn't exist
if (!Directory.Exists(localPath + dir))
{
Directory.CreateDirectory(localPath + dir);
}
// download file
Client.DownloadFileAsync(new Uri(remotePath + fileName), localPath + destination);
}
else
{
// check if directory was created before
if (!directories.Contains(remotePath + dir))
{
// check if directory exists
if (!DirectoryExists(remotePath + dir))
{
CreateDirectory(dir, remotePath);
}
directories.Add(remotePath + dir);
}
// upload file
Client.UploadFileAsync(new Uri(remotePath + destination), localPath + fileName);
}
}
catch (Exception e)
{
ErrorLog.Add(this, e.Message);
CleanUp();
callback.Invoke(FileTransferResult.Failure);
}
}
// sends an request to the remote server (async)
private void SendRequestAsync(string name, Uri remotePath, FileTransferCallback callback, DelegateRequest caller)
{
try
{
caller.BeginInvoke(name, remotePath,
delegate(IAsyncResult iar)
{
var c = (DelegateRequest)iar.AsyncState;
c.EndInvoke(iar);
callback.Invoke(FileTransferResult.Success);
}, caller);
}
catch (Exception e)
{
ErrorLog.Add(this, e.Message);
callback.Invoke(FileTransferResult.Failure);
}
}
// up- or downloads files (async)
private bool TransferFilesAsync(List <TransferFile> files, bool showProgress,
Uri remotePath, string localPath, FileTransferCallback callback, bool download)
{
// set busy flag
lock (this)
{
if (busy)
{
return(false);
}
if (files.Count == 0)
{
callback.Invoke(FileTransferResult.Success);
return(true);
}
busy = true;
}
totalTransferred = 0;
totalSize = 0;
// calculate total size
foreach (TransferFile file in files)
{
totalSize += file.Size;
}
this.files = files;
this.remotePath = remotePath;
this.localPath = localPath;
this.showProgress = showProgress;
this.callback = callback;
this.download = download;
// select next file
fileEnumerator = files.GetEnumerator();
fileEnumerator.MoveNext();
// check if progress should be displayed
if (showProgress)
{
EnableProgress();
buffer.Clear();
startTime = DateTime.Now;
progressTimer.Start();
}
// up- or download next file
TransferNextFile();
return(true);
}