public override void OnStop()
{
if (_scheduler != null)
{
_scheduler.AbortWaitingSchedule();
_scheduler = null;
}
base.OnStop();
}
public override bool OnStart()
{
ServicePointManager.DefaultConnectionLimit = 48;
ServicePointManager.Expect100Continue = false;
ServicePointManager.UseNagleAlgorithm = false;
RoleEnvironment.Changing += RoleEnvironmentChanging;
_scheduler = new Scheduler(
() => GlobalSetup.Container.Resolve<IEnumerable<CloudService>>(),
service => service.Start());
return base.OnStart();
}
/// <summary>Called once by the service fabric. Call is not supposed to return
/// until stop is requested, or an uncaught exception is thrown.</summary>
public void Execute()
{
_log.DebugFormat("Runtime: started on worker {0}.", CloudEnvironment.PartitionKey);
// hook on the current thread to force shut down
_executeThread = Thread.CurrentThread;
IContainer applicationContainer = null;
try
{
List<CloudService> services;
// note: we need to keep the container alive until the finally block
// because the finalizer (of the container) is called there.
applicationContainer = LoadAndBuildApplication(out services);
_applicationFinalizer = applicationContainer.ResolveOptional<IRuntimeFinalizer>();
_scheduler = new Scheduler(services, service => service.Start(), _observer);
foreach (var action in _scheduler.Schedule())
{
if (_isStopRequested)
{
break;
}
action();
}
}
catch (ThreadInterruptedException)
{
_log.WarnFormat("Runtime: execution was interrupted on worker {0} in service {1}. The Runtime will be restarted.",
CloudEnvironment.PartitionKey, GetNameOfServiceInExecution());
}
catch (ThreadAbortException)
{
Thread.ResetAbort();
_log.DebugFormat("Runtime: execution was aborted on worker {0} in service {1}. The Runtime is stopping.",
CloudEnvironment.PartitionKey, GetNameOfServiceInExecution());
}
catch (TimeoutException)
{
_log.WarnFormat("Runtime: execution timed out on worker {0} in service {1}. The Runtime will be restarted.",
CloudEnvironment.PartitionKey, GetNameOfServiceInExecution());
}
catch (TriggerRestartException)
{
// Supposed to be handled by the runtime host (i.e. SingleRuntimeHost)
throw;
}
catch (Exception ex)
{
_log.ErrorFormat(ex, "Runtime: An unhandled {0} exception occurred on worker {1} in service {2}. The Runtime will be restarted.",
ex.GetType().Name, CloudEnvironment.PartitionKey, GetNameOfServiceInExecution());
}
finally
{
_log.DebugFormat("Runtime: stopping on worker {0}.", CloudEnvironment.PartitionKey);
if (_runtimeFinalizer != null)
{
_runtimeFinalizer.FinalizeRuntime();
}
if (_applicationFinalizer != null)
{
_applicationFinalizer.FinalizeRuntime();
}
if (applicationContainer != null)
{
applicationContainer.Dispose();
}
_log.DebugFormat("Runtime: stopped on worker {0}.", CloudEnvironment.PartitionKey);
}
}