internal async Task HashCheckAsync(bool autoStart, bool setStoppedModeWhenDone)
{
if (!HasMetadata)
{
throw new TorrentException("A hashcheck cannot be performed if the TorrentManager was created with a Magnet link and the metadata has not been downloaded.");
}
await ClientEngine.MainLoop;
if (!Mode.CanHashCheck)
{
throw new TorrentException(string.Format("A hashcheck can only be performed when the manager is stopped. State is: {0}", State));
}
CheckRegisteredAndDisposed();
StartTime = DateTime.Now;
// An IgnoringPicker is created to ensure pieces which *have not* been hash checked
// are not requested from other peers. The intention is that files marked as DoNotDownload
// will not be hashed, or downloaded.
UnhashedPieces.SetAll(true);
var hashingMode = new HashingMode(this, Engine.DiskManager, Engine.ConnectionManager, Engine.Settings);
Mode = hashingMode;
try {
await hashingMode.WaitForHashingToComplete();
hashingMode.Token.ThrowIfCancellationRequested();
} catch (OperationCanceledException) {
return;
} catch (Exception ex) {
TrySetError(Reason.ReadFailure, ex);
return;
}
HashChecked = true;
if (autoStart)
{
await StartAsync();
}
else if (setStoppedModeWhenDone)
{
Mode = new StoppedMode(this, Engine.DiskManager, Engine.ConnectionManager, Engine.Settings);
}
}
internal async Task HashCheckAsync(bool autoStart, bool setStoppedModeWhenDone)
{
if (!HasMetadata)
{
throw new TorrentException("A hashcheck cannot be performed if the TorrentManager was created with a Magnet link and the metadata has not been downloaded.");
}
await ClientEngine.MainLoop;
if (!Mode.CanHashCheck)
{
throw new TorrentException(string.Format("A hashcheck can only be performed when the manager is stopped. State is: {0}", State));
}
CheckRegisteredAndDisposed();
StartTime = DateTime.Now;
// An IgnoringPicker is created to ensure pieces which *have not* been hash checked
// are not requested from other peers. The intention is that files marked as DoNotDownload
// will not be hashed, or downloaded.
UnhashedPieces.SetAll(true);
var hashingMode = new HashingMode(this, Engine.DiskManager, Engine.ConnectionManager, Engine.Settings);
Mode = hashingMode;
try {
await hashingMode.WaitForHashingToComplete();
HashChecked = true;
if (autoStart)
{
await StartAsync();
}
else if (setStoppedModeWhenDone)
{
Mode = new StoppedMode(this, Engine.DiskManager, Engine.ConnectionManager, Engine.Settings);
}
} catch {
HashChecked = false;
// If the hash check was cancelled (by virtue of a new Mode being set on the TorrentManager) then
// we don't want to overwrite the Mode which was set.
if (Mode == hashingMode)
{
Mode = new StoppedMode(this, Engine.DiskManager, Engine.ConnectionManager, Engine.Settings);
}
}
}
public void LoadFastResume(FastResume data)
{
Check.Data(data);
CheckMetadata();
if (State != TorrentState.Stopped)
{
throw new InvalidOperationException("Can only load FastResume when the torrent is stopped");
}
if (InfoHash != data.Infohash || Torrent.Pieces.Count != data.Bitfield.Length)
{
throw new ArgumentException("The fast resume data does not match this torrent", "fastResumeData");
}
for (int i = 0; i < Torrent.Pieces.Count; i++)
{
OnPieceHashed(i, data.Bitfield[i]);
}
UnhashedPieces.From(data.UnhashedPieces);
this.HashChecked = true;
}
