private void DownloadManagerDownloadAdding(object sender, CancelDownloadEventArgs e)
{
if (e.DownloadItem.SaveTargets == null)
{
return;
}
var fi = new FileInfo(e.DownloadItem.SaveTargets[0]);
var drive1 = Path.GetPathRoot(e.DownloadItem.SaveTargets[0]);
// here we should check for free space,
if (!string.IsNullOrEmpty(drive1) && FileHelper.GetFreeSpace(fi.DirectoryName) < e.DownloadItem.Magnet.Size)
{
throw new NoFreeSpaceException(drive1);
}
if (string.IsNullOrEmpty(drive1))
{
return;
}
// lets check for file size restriction
var driveInfo1 = new DriveInfo(drive1);
var fileSystem1 = driveInfo1.DriveFormat;
if (fileSystem1 == "FAT32")
{
// maximum file size is 4 Gb
if (e.DownloadItem.Magnet.Size > 4L * 1024 * 1024 * 1024)
{
throw new FileTooBigException(4L * 1024 * 1024 * 1024, e.DownloadItem.Magnet.Size);
}
}
if (fileSystem1 == "NTFS")
{
// maximum file size is 16 Tb - 64 Kb
if (e.DownloadItem.Magnet.Size > 16L * 1024 * 1024 * 1024 * 1024 - 64 * 1024)
{
throw new FileTooBigException(16L * 1024 * 1024 * 1024 * 1024 - 64 * 1024,
e.DownloadItem.Magnet.Size);
}
}
if (Settings.InstantAllocate)
{
var path = e.DownloadItem.SaveTargets[0];
var dirInfo = new DirectoryInfo(Path.GetDirectoryName(path));
if (!dirInfo.Exists)
{
dirInfo.Create();
}
FileHelper.AllocateFile(path, e.DownloadItem.Magnet.Size);
}
}
protected virtual bool OnDownloadAdding(DownloadItem di)
{
if (DownloadAdding == null)
{
return(true);
}
var e = new CancelDownloadEventArgs {
DownloadItem = di
};
var handler = DownloadAdding;
if (handler != null)
{
handler(this, e);
}
return(!e.Cancel);
}