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more granular Concurrency control.

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indexer calls are done fully paralleled.
events are dispatched on max of 2 threads.
This commit is contained in:
Keivan Beigi 2013-05-29 18:35:26 -07:00
commit 9181b1bb91
12 changed files with 377 additions and 37 deletions
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34
NzbDrone.Core/IndexerSearch/NzbSearchService.cs
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@ -112,21 +112,33 @@ namespace NzbDrone.Core.IndexerSearch
var indexers = _indexerService.GetAvailableIndexers().ToList();
var reports = new List<ReportInfo>();
Parallel.ForEach(indexers, indexer =>
var taskList = new List<Task>();
var taskFactory = new TaskFactory(TaskCreationOptions.LongRunning, TaskContinuationOptions.None);
foreach (var indexer in indexers)
{
try
var indexerLocal = indexer;
taskList.Add(taskFactory.StartNew(() =>
{
var indexerReports = searchAction(indexer);
lock (indexer)
try
{
reports.AddRange(indexerReports);
var indexerReports = searchAction(indexerLocal);
lock (reports)
{
reports.AddRange(indexerReports);
}
}
}
catch (Exception e)
{
_logger.ErrorException(String.Format("An error has occurred while searching for {0} from: {1}", definitionBase, indexer.Name), e);
}
});
catch (Exception e)
{
_logger.ErrorException("Error while searching for " + definitionBase, e);
}
}));
}
Task.WaitAll(taskList.ToArray());
_logger.Debug("Total of {0} reports were found for {1} in {2} indexers", reports.Count, definitionBase, indexers.Count);