/// <summary>
/// One 'Produce' task generates chunks for one BackupRootDrive (ie 1 mountpoint/filesystem).
/// </summary>
/// <param name='bdr'>
/// the BackupRootDrive to scan for items
/// </param>
private void Produce(Queue <BackupRootDrive> queue /*, BlockingCollection<BChunk> myFeed*/)
{
BlockingCollection <BChunk> myFeed = new BlockingCollection <BChunk>(new ConcurrentQueue <BChunk>(), 1);
Console.WriteLine(" ------- Producer() has " + queue.Count + " drive items in its queue");
chunksFeeds.Add(myFeed);
//IEnumerator<BChunk> chunkEnumerator = bdh.GetNextChunk().GetEnumerator();//backup.GetNextChunk().GetEnumerator();
while (queue.Count > 0)
{
BackupRootDrive bdr = queue.Dequeue();
Logger.Append(Severity.INFO, "Collecting items to backup for drive " + bdr.SystemDrive.MountPoint);
BackupRootDriveHandler bdh = new BackupRootDriveHandler(bdr, this.backup.Id, backup.BackupSet.MaxChunkSize, backup.BackupSet.MaxChunkSize, backup.BackupSet.MaxChunkFiles, backup.Level, backup.RefStartDate, backup.RefEndDate, backup.ParentTrackingId);
bdh.LogEvent += LogReceived;
bdh.SubCompletionEvent += new BackupRootDriveHandler.SubCompletionHandler(IncrementSubCompletion);
foreach (P2PBackup.Common.BasePath baseP in bdr.Paths)
{
bdh.SetCurrentPath(baseP);
IEnumerator <BChunk> chunkEnumerator = bdh.GetNextChunk().GetEnumerator();
while (chunkEnumerator.MoveNext() && !cancellationTokenSource.IsCancellationRequested)
{
BChunk chunk = chunkEnumerator.Current;
try{
myFeed.Add(chunk, cancellationTokenSource.Token);
}
catch (OperationCanceledException) {
Logger.Append(Severity.TRIVIA, "Producer has been manually cancelled on purpose, stopping...");
return;
}
catch (Exception e) {
Logger.Append(Severity.ERROR, "###################### Produce() : add refused : " + e.Message + " ---- " + e.StackTrace);
return;
}
// stats
foreach (IFSEntry item in chunk.Items)
{
backup.ItemsByType[(int)item.Kind]++;
}
Logger.Append(Severity.DEBUG, "Basepath " + baseP.Path + " : Added chunk " + chunk.Name + " containing " + chunk.Items.Count + " items ");
}
}
bdh.SubCompletionEvent -= new BackupRootDriveHandler.SubCompletionHandler(IncrementSubCompletion);
bdh.LogEvent -= LogReceived;
if (!cancellationTokenSource.IsCancellationRequested)
{
ContinueProducing();
}
else
{
bdh.Dispose();
}
}
Console.WriteLine("------------------------- PRODUCE(): done collecting ALL, complete feed adding, cancellationTokenSource.IsCancellationRequested=" + cancellationTokenSource.IsCancellationRequested);
myFeed.CompleteAdding();
}
/// <summary>
/// One 'Produce' task generates chunks for one BackupRootDrive (ie 1 mountpoint).
/// </summary>
/// <param name='bdr'>
/// the BackupRootDrive to scan for items
/// </param>
private void Produce(BackupRootDrive bdr)
{
Logger.Append(Severity.INFO, "Collecting items to backup for drive " + bdr.SystemDrive.MountPoint);
BackupRootDriveHandler bdh = new BackupRootDriveHandler(bdr, this.backup.TaskId, backup.MaxChunkSize, backup.MaxChunkSize, backup.MaxChunkFiles, backup.Level, backup.RefStartDate, backup.RefEndDate, backup.RefTaskId);
bdh.LogEvent += LogReceived;
bdh.SubCompletionEvent += new BackupRootDriveHandler.SubCompletionHandler(IncrementSubCompletion);
//IEnumerator<BChunk> chunkEnumerator = bdh.GetNextChunk().GetEnumerator();//backup.GetNextChunk().GetEnumerator();
foreach (P2PBackup.Common.BasePath baseP in bdr.Paths)
{
bdh.SetCurrentPath(baseP);
IEnumerator <BChunk> chunkEnumerator = bdh.GetNextChunk().GetEnumerator();
while (chunkEnumerator.MoveNext() && !cancellationTokenSource.IsCancellationRequested)
{
BChunk chunk = chunkEnumerator.Current;
try{
chunkBuilderFeed.Add(chunk, cancellationTokenSource.Token);
}
catch (OperationCanceledException) {
Logger.Append(Severity.DEBUG2, "Producer has been manually cancelled on purpose, stopping...");
return;
}
catch (Exception e) {
Logger.Append(Severity.ERROR, "###################### Produce() : add refused : " + e.Message + " ---- " + e.StackTrace);
return;
}
// stats
foreach (IFSEntry item in chunk.Files)
{
backup.ItemsByType[(int)item.Kind]++;
}
Logger.Append(Severity.DEBUG, "Added chunk " + chunk.Name + " containing " + chunk.Files.Count + " items ");
}
}
bdh.SubCompletionEvent -= new BackupRootDriveHandler.SubCompletionHandler(IncrementSubCompletion);
bdh.LogEvent -= LogReceived;
Logger.Append(Severity.INFO, "Producer has done collecting items to backup for drive " + bdr.SystemDrive.MountPoint);
if (!cancellationTokenSource.IsCancellationRequested)
{
ContinueProducing();
}
else
{
bdh.Dispose();
}
}