/// <summary>
/// Upload to a temporary file.
/// If the transfer is successful, replace the old file with the temporary one.
/// If not, delete the temporary file.
/// </summary>
/// <param name="i">The item to upload</param>
/// <returns>TransferStatus.Success on success, TransferStatus.Success on failure</returns>
public override TransferStatus SafeUpload(SyncQueueItem i)
{
// is this the first time we check the files?
//if (_controller.FileLog.IsEmpty())
//{
//TODO: allow user to select if the following should happen
// skip synchronization if the file already exists and has the exact same size
if (Exists(i.CommonPath) && SizeOf(i.CommonPath) == i.Item.Size)
{
Log.Write(l.Client, "File seems to be already synced (skipping): {0}", i.CommonPath);
return(TransferStatus.Success);
}
//}
Notifications.ChangeTrayText(MessageType.Uploading, i.Item.Name);
var temp = Common._tempName(i.CommonPath, _controller.Account.TempFilePrefix);
try
{
var startedOn = DateTime.Now;
long transfered = 0;
// upload to a temp file...
lock (ftpcLock)
{
using (
Stream file = File.Open(i.LocalPath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite),
rem = _ftpc.OpenWrite(temp))
{
var buf = new byte[8192];
int read;
while ((read = file.Read(buf, 0, buf.Length)) > 0)
{
rem.Write(buf, 0, read);
transfered += read;
ReportTransferProgress(new TransferProgressArgs(read, transfered, i, startedOn));
ThrottleTransfer(Settings.General.UploadLimit, transfered, startedOn);
}
Notifications.ChangeTrayText(MessageType.Size, null, i.Item.Size);
}
}
}
catch (Exception ex)
{
Common.LogError(ex);
CheckWorkingDirectory();
return(TransferStatus.Failure);
}
CheckWorkingDirectory();
Thread.Sleep(2000); //wait syncing
long size = SizeOf(temp);
if (i.Item.Size == size)
{
if (Exists(i.CommonPath))
{
Remove(i.CommonPath);
}
Rename(temp, i.CommonPath);
return(TransferStatus.Success);
}
Remove(temp);
return(TransferStatus.Failure);
}
