/// <summary>
/// Run the service.
/// </summary>
protected override void Run()
{
while (true)
{
if ((_threadPool.QueueCount + _threadPool.ActiveCount) < _threadPool.Concurrency)
{
try
{
RestoreQueue queueItem = _hsmArchive.GetRestoreCandidate();
if (queueItem != null)
{
HsmStudyRestore archiver = new HsmStudyRestore(_hsmArchive);
_threadPool.Enqueue(queueItem, archiver.Run);
}
else if (CheckStop(HsmSettings.Default.PollDelayMilliseconds))
{
Platform.Log(LogLevel.Info, "Shutting down {0} restore service.", _hsmArchive.PartitionArchive.Description);
return;
}
}
catch (Exception e)
{
Platform.Log(LogLevel.Error, e, "Unexpected exception when querying for restore candidates. Rescheduling.");
if (CheckStop(HsmSettings.Default.PollDelayMilliseconds))
{
Platform.Log(LogLevel.Info, "Shutting down {0} restore service.", _hsmArchive.PartitionArchive.Description);
return;
}
}
}
else
{
if (CheckStop(HsmSettings.Default.PollDelayMilliseconds))
{
Platform.Log(LogLevel.Info, "Shutting down {0} restore service.", _hsmArchive.PartitionArchive.Description);
return;
}
}
}
}
private void ProcessStudyFolder(string folder)
{
try
{
string studyInstanceUid = Path.GetFileName(folder);
var location = new StudyLocation(studyInstanceUid);
var reprocessStudyFolder = new ReprocessStudyFolder(location);
_threadPool.Enqueue(reprocessStudyFolder, delegate(ReprocessStudyFolder r)
{
var del = new ThreadPoolStopProxy(r);
_threadPool.StartStopStateChangedEvent += del.ProxyDelegate;
// TODO (CR Jun 2012): Should check the thread pool state right after
// subscribing; otherwise, the folder will process to completion, rather than canceling.
r.Process();
lock (_syncLock)
EventsHelper.Fire(
r.Failed ? _studyFailedEvent
: _studyFolderProcessedEvent,
this,
new StudyEventArgs
{
StudyInstanceUid = r.Location.Study.StudyInstanceUid,
Message = r.FailureMessage
});
_threadPool.StartStopStateChangedEvent -= del.ProxyDelegate;
});
}
catch (Exception x)
{
// TODO (CR Jun 2012): Shouldn't this cause the work item to fail?
Platform.Log(LogLevel.Error, x, "Unexpected exception reindexing folder: {0}", folder);
}
}
