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);
}
}
}
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);
}
}
/// <summary>
/// Starts a hashcheck. If forceFullScan is false, the library will attempt to load fastresume data
/// before performing a full scan, otherwise fast resume data will be ignored and a full scan will be started
/// </summary>
/// <param name="forceFullScan">True if a full hash check should be performed ignoring fast resume data</param>
public async Task HashCheckAsync(bool autoStart)
{
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;
var hashingMode = new HashingMode(this);
Mode = hashingMode;
try {
await hashingMode.WaitForHashingToComplete();
HashChecked = true;
if (autoStart)
{
await StartAsync();
}
else
{
Mode = new StoppedMode(this);
}
} 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);
}
}
}