private bool IsWokerProccesAlive()
{
bool isAlive = false;
foreach (Process process in Process.GetProcessesByName(WorkerProccessName))
{
isAlive = true;
process.Dispose();
}
if (isAlive)
{
WorkerProcessClient client = CreateWorkerProcessClient();
try
{
client.Endpoint.Binding.OpenTimeout = new TimeSpan(0, 0, 2);
client.Endpoint.Binding.SendTimeout = new TimeSpan(0, 0, 2);
client.Endpoint.Binding.ReceiveTimeout = new TimeSpan(0, 0, 2);
client.Endpoint.Binding.CloseTimeout = new TimeSpan(0, 0, 2);
client.Open();
return(client.IsAlive());
}
catch
{
isAlive = false;
}
}
return(isAlive);
}
private LCAWrapperResult SendGroupToWorkerProcess(IList <PBROW> rows, IList <AISLE_WAYPOINT> waypoints, LCASettings lcaSettings)
{
LCAWrapperResult lcaResult = new LCAWrapperResult(new List <LCAWrapperResultLine>(), new Dictionary <int, List <string> >());
_processingLock.AcquireReaderLock(-1);
bool recycle = false;
lock (_syncLock)
{
if (!_isRecycling)
{
if (!IsWokerProccesAlive())
{
AbortClients();
recycle = true;
}
else if (_processCount == _recycleThresholdWP + 1)
{
recycle = true;
}
else
{
_processCount++;
}
_isRecycling = recycle;
}
}
if (recycle)
{
LockCookie cookie = _processingLock.UpgradeToWriterLock(-1);
_isRecycling = false;
try
{
Tracing.TraceEvent(TraceEventType.Verbose, 0, "Recycling worker process...");
CreateWorkerProcess();
Tracing.TraceEvent(TraceEventType.Verbose, 0, "Done recycling worker process.");
}
finally
{
_processingLock.DowngradeFromWriterLock(ref cookie);
}
}
WorkerProcessClient client = CreateWorkerProcessClient();
try
{
lock (_clientList)
{
_clientList.Add(client);
}
client.Open();
try
{
lcaResult = client.ProcessGroup(rows, waypoints, lcaSettings);
}
catch (TimeoutException)
{
Tracing.TraceEvent(TraceEventType.Warning, 0, "Timed out while processing group");
throw;
}
}
finally
{
lock (_clientList)
{
_clientList.Remove(client);
}
try
{
client.Close();
}
catch (TimeoutException)
{
client.Abort();
}
catch (CommunicationException)
{
client.Abort();
}
}
return(lcaResult);
}
private void DisposeWorkerProcess()
{
if (_workerProcess != null)
{
try
{
Tracing.TraceEvent(TraceEventType.Verbose, 0, "Disposing worker process...");
WorkerProcessClient client = CreateWorkerProcessClient();
try
{
client.Endpoint.Binding.OpenTimeout = new TimeSpan(0, 0, 5);
client.Endpoint.Binding.SendTimeout = new TimeSpan(0, 0, 5);
client.Endpoint.Binding.ReceiveTimeout = new TimeSpan(0, 0, 5);
client.Endpoint.Binding.CloseTimeout = new TimeSpan(0, 0, 5);
client.Open();
client.Terminate();
_workerProcess.WaitForExit(5000);
}
finally
{
try
{
client.Close();
}
catch (TimeoutException)
{
client.Abort();
}
catch (CommunicationException)
{
client.Abort();
}
}
}
catch
{
}
finally
{
try
{
if (!_workerProcess.HasExited)
{
_workerProcess.Kill();
}
}
catch
{
}
finally
{
_workerProcess.Dispose();
}
}
}
}
