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change JobEngine stop code and add a extra check for thread removed on watchdog timeout checks

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This commit is contained in:
UbitUmarov
2015-11-27 13:28:10 +00:00
parent 3029080d9b
commit baf8e762a6
2 changed files with 78 additions and 88 deletions
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114
OpenSim/Framework/Monitoring/JobEngine.cs
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@@ -40,6 +40,8 @@ namespace OpenSim.Framework.Monitoring
public int LogLevel { get; set; }
private object JobLock = new object();
public string Name { get; private set; }
public string LoggingName { get; private set; }
@@ -95,7 +97,7 @@ namespace OpenSim.Framework.Monitoring
public void Start()
{
lock (this)
lock (JobLock)
{
if (IsRunning)
return;
@@ -119,43 +121,22 @@ namespace OpenSim.Framework.Monitoring
public void Stop()
{
lock (this)
lock (JobLock)
{
try
{
if (!IsRunning)
return;
m_log.DebugFormat("[JobEngine] Stopping {0}", Name);
IsRunning = false;
int requestsLeft = m_jobQueue.Count;
if (requestsLeft <= 0)
{
m_finishedProcessingAfterStop.Reset();
if(m_jobQueue.Count <= 0)
m_cancelSource.Cancel();
}
else
{
m_log.InfoFormat("[{0}]: Waiting to write {1} events after stop.", LoggingName, requestsLeft);
while (requestsLeft > 0)
{
if (!m_finishedProcessingAfterStop.WaitOne(RequestProcessTimeoutOnStop))
{
// After timeout no events have been written
if (requestsLeft == m_jobQueue.Count)
{
m_log.WarnFormat(
"[{0}]: No requests processed after {1} ms wait. Discarding remaining {2} requests",
LoggingName, RequestProcessTimeoutOnStop, requestsLeft);
break;
}
}
requestsLeft = m_jobQueue.Count;
}
}
m_finishedProcessingAfterStop.WaitOne(RequestProcessTimeoutOnStop);
}
finally
{
@@ -244,48 +225,51 @@ namespace OpenSim.Framework.Monitoring
private void ProcessRequests()
{
try
while(IsRunning || m_jobQueue.Count > 0)
{
while (IsRunning || m_jobQueue.Count > 0)
try
{
try
{
CurrentJob = m_jobQueue.Take(m_cancelSource.Token);
}
catch (ObjectDisposedException e)
{
// If we see this whilst not running then it may be due to a race where this thread checks
// IsRunning after the stopping thread sets it to false and disposes of the cancellation source.
if (IsRunning)
throw e;
else
break;
}
if (LogLevel >= 1)
m_log.DebugFormat("[{0}]: Processing job {1}", LoggingName, CurrentJob.Name);
try
{
CurrentJob.Action();
}
catch (Exception e)
{
m_log.Error(
string.Format(
"[{0}]: Job {1} failed, continuing. Exception ", LoggingName, CurrentJob.Name), e);
}
if (LogLevel >= 1)
m_log.DebugFormat("[{0}]: Processed job {1}", LoggingName, CurrentJob.Name);
CurrentJob = null;
CurrentJob = m_jobQueue.Take(m_cancelSource.Token);
}
}
catch (OperationCanceledException)
{
catch(ObjectDisposedException e)
{
// If we see this whilst not running then it may be due to a race where this thread checks
// IsRunning after the stopping thread sets it to false and disposes of the cancellation source.
if(IsRunning)
throw e;
else
{
m_log.DebugFormat("[JobEngine] {0} stopping ignoring {1} jobs in queue",
Name,m_jobQueue.Count);
break;
}
}
catch(OperationCanceledException)
{
break;
}
if(LogLevel >= 1)
m_log.DebugFormat("[{0}]: Processing job {1}",LoggingName,CurrentJob.Name);
try
{
CurrentJob.Action();
}
catch(Exception e)
{
m_log.Error(
string.Format(
"[{0}]: Job {1} failed, continuing. Exception ",LoggingName,CurrentJob.Name),e);
}
if(LogLevel >= 1)
m_log.DebugFormat("[{0}]: Processed job {1}",LoggingName,CurrentJob.Name);
CurrentJob = null;
}
Watchdog.RemoveThread(false);
m_finishedProcessingAfterStop.Set();
}