public async Task <List <ProcessorRuntimeStatus> > GetDetailedStatus([FromUri] string ProcessorName)
{
string[] validationErrors = Processor.ValidateProcessName(ProcessorName);
if (null != validationErrors)
{
Utils.ThrowHttpError(validationErrors);
}
Processor processor;
using (ITransaction tx = this.Svc.StateManager.CreateTransaction())
{
// do we have it?
ConditionalValue <Processor> cResults = await this.Svc.ProcessorStateStore.TryGetValueAsync(tx, ProcessorName);
if (!cResults.HasValue)
{
Utils.ThrowHttpError(string.Format("Processor with the name {0} does not exist", ProcessorName));
}
processor = cResults.Value;
}
ProcessorOperationHandlerFactory factory = new ProcessorOperationHandlerFactory();
ProcessorOperationHandlerBase operationHandler = factory.CreateHandler(
this.Svc,
new ProcessorOperation()
{
OperationType = ProcessorOperationType.RuntimeStatusCheck, ProcessorName = ProcessorName
});
List <ProcessorRuntimeStatus> runtimeStatus = new List <ProcessorRuntimeStatus>();
Task <HttpResponseMessage>[] tasks = await operationHandler.ExecuteOperation <Task <HttpResponseMessage>[]>(null);
await Task.WhenAll(tasks);
foreach (Task <HttpResponseMessage> completedTask in tasks)
{
HttpResponseMessage httpResponse = completedTask.Result;
if (!httpResponse.IsSuccessStatusCode)
{
Utils.ThrowHttpError("error aggregating status from processor partitions");
}
runtimeStatus.Add(JsonConvert.DeserializeObject <ProcessorRuntimeStatus>(await httpResponse.Content.ReadAsStringAsync()));
}
return(runtimeStatus);
}
protected override async Task RunAsync(CancellationToken cancellationToken)
{
this.SetProcessorAppInstanceDefaults();
// subscribe to configuration changes
this.Context.CodePackageActivationContext.ConfigurationPackageModifiedEvent +=
this.CodePackageActivationContext_ConfigurationPackageModifiedEvent;
this.ProcessorStateStore = await this.StateManager.GetOrAddAsync <IReliableDictionary <string, Processor> >(ProcessorDefinitionStateDictionaryName);
this.ProcessorOperationsQueue = await this.StateManager.GetOrAddAsync <IReliableQueue <ProcessorOperation> >(OperationQueueName);
this.ProcessorOperationFactory = new ProcessorOperationHandlerFactory();
ProcessorOperation processorOperation = null;
// pump and execute ProcessorPperation from the queue
while (!cancellationToken.IsCancellationRequested)
{
using (ITransaction tx = this.StateManager.CreateTransaction())
{
try
{
ConditionalValue <ProcessorOperation> result = await this.ProcessorOperationsQueue.TryDequeueAsync(
tx,
TimeSpan.FromMilliseconds(1000),
cancellationToken);
if (result.HasValue)
{
processorOperation = result.Value;
ProcessorOperationHandlerBase handler = this.ProcessorOperationFactory.CreateHandler(this, processorOperation);
await handler.RunOperation(tx);
await tx.CommitAsync();
}
else
{
await Task.Delay(TimeSpan.FromSeconds(1), cancellationToken);
}
}
catch (TimeoutException toe)
{
ServiceEventSource.Current.Message(
string.Format("Controller service encountered timeout in a work operations de-queue process {0} and will try again", toe.StackTrace));
}
catch (AggregateException aex)
{
AggregateException ae = aex.Flatten();
string sError = string.Empty;
if (null == processorOperation)
{
sError =
string.Format(
"Event Processor Management Service encountered an error processing Processor-Operation {0} {1} and will terminate replica",
ae.GetCombinedExceptionMessage(),
ae.GetCombinedExceptionStackTrace());
}
else
{
sError =
string.Format(
"Event Processor Management Service encountered an error processing Processor-opeartion {0} against {1} Error {2} stack trace {3} and will terminate replica",
processorOperation.OperationType.ToString(),
processorOperation.ProcessorName,
ae.GetCombinedExceptionMessage(),
ae.GetCombinedExceptionStackTrace());
}
ServiceEventSource.Current.ServiceMessage(this, sError);
throw;
}
}
}
}