public ChangeTrackerResponseCode ProcessResponseStream(Stream stream, CancellationToken token)
{
_pauseWait.Wait();
var type = (ChangeTrackerMessageType)stream.ReadByte();
if (type == ChangeTrackerMessageType.Plaintext || type == ChangeTrackerMessageType.GZip)
{
return(ProcessResponseStream(stream, token, type == ChangeTrackerMessageType.GZip));
}
else if (type == ChangeTrackerMessageType.EOF)
{
Log.To.ChangeTracker.D(Tag, "{0} Received EOF for processing", this);
if (_changeProcessor == null)
{
if (!_caughtUp)
{
_caughtUp = true;
OnCaughtUp?.Invoke();
}
}
else
{
_changeProcessor.ScheduleCaughtUp();
}
return(ChangeTrackerResponseCode.Normal);
}
Log.To.Sync.E(Tag, "Unknown response code {0}, returning failed status", type);
return(ChangeTrackerResponseCode.Failed);
}
public ChunkedChanges(bool compressed, CancellationToken token, ManualResetEventSlim pauseWait)
{
_innerStream = new ChunkStream();
_innerStream.BookmarkReached += (sender, args) => OnCaughtUp?.Invoke(this, null);
if (compressed)
{
_inflater = new Inflater(true);
}
token.Register(Dispose);
_pauseWait = pauseWait;
Task.Factory.StartNew(Process, TaskCreationOptions.LongRunning);
}
private void SetupChangeProcessorCallback()
{
_changeProcessor.ChunkFound += (sender, args) =>
{
OnChangeFound?.Invoke(args);
};
_changeProcessor.Finished += (sender, args) =>
{
OnFinished?.Invoke(args);
};
_changeProcessor.OnCaughtUp += (sender, args) =>
{
if (!_caughtUp)
{
_caughtUp = true;
OnCaughtUp?.Invoke();
}
};
}