public async Task <AcknowledgementMessage> ExecuteTask(JobStartedMessage taskMessage)
{
return(await Task.Delay(100)
.ContinueWith <AcknowledgementMessage>(task =>
{
AcknowledgementReceipt receipt = AcknowledgementReceipt.SUCCESS;
long taskTime = 0;
Task externalTask = Task.Factory.StartNew(() =>
{
// call or execute an external application here
});
// wait for task to complete
externalTask.Wait();
switch (externalTask.Status)
{
case TaskStatus.Faulted:
receipt = AcknowledgementReceipt.FAILED;
break;
case TaskStatus.Canceled:
receipt = AcknowledgementReceipt.CANCELED;
break;
case TaskStatus.RanToCompletion:
receipt = AcknowledgementReceipt.SUCCESS;
break;
}
// send the acknowledgement
return new AcknowledgementMessage(taskMessage.ID, taskMessage.Description, taskTime, receipt);
}));
}
/// <summary>
/// Perform the exceution of job, Handles "BeginJobMessage" message
/// </summary>
/// <param name="job"></param>
private void HandleJobExecute(JobStartedMessage job)
{
_logger.Info("Worker has received BeginJobMessage from {0} for Task ID: {1}", Sender.Path.Name, job.ID);
_myJob = job;
_logger.Info("Worker has started Task ID: {0}", job.ID);
// use pipeto to handle async call from caller ( taskexecuter )
_taskExecuter.ExecuteTask(job).PipeTo(Self, Sender);
}
/// <summary>
/// Perform the exceution of job, Handles "BeginJobMessage" message
/// </summary>
/// <param name="job"></param>
private void HandleJobExecute(JobStartedMessage job)
{
_myJob = new JobStartedMessage(job.Description, job.ID, job.TimeOut);
ColorConsole.WriteLineCyan($"Task {job.ID}. { job.Description} is started with timeout {job.TimeOut.ToString()} minute.");
// use pipeto to handle async call from caller ( taskexecuter )
_taskExecuter.ExecuteTask(job).PipeTo(Self, Sender);
_taskTimer = Context.System.Scheduler.ScheduleTellRepeatedlyCancelable(
TimeSpan.FromMinutes(1), //initial delay in minutes
TimeSpan.FromSeconds(10), // interval
Self,
new TaskTimer(),
Self);
}
private void Asking()
{
_logger.Debug("Commander's current state is Asking.");
// received UnableToAcceptJobMessage from coordinator
Receive <UnableToAcceptJobMessage>(job =>
{
_logger.Debug($"Commander has received UnableToAcceptJobMessage from { Sender.Path.Name} for Task ID: {job.ID}");
// each routee is giving response to cordinator
_pendingJobReplies--;
if (_pendingJobReplies == 0)
{
// send response to client
_currentJob.Client.Tell(job);
// move to next state
BecomeReady();
}
});
// received AbleToAcceptJobMessage from coordinator
Receive <AbleToAcceptJobMessage>(job =>
{
ColorConsole.WriteLineCyan($"Starting Job for Task ID: {job.ID}. {job.Description}");
_logger.Debug($"Commander has received AbleToAcceptJobMessage from {Sender.Path.Name} for Task ID: {job.ID}");
var jobMessage = new JobStartedMessage(job.Description, job.ID);
Sender.Tell(jobMessage, Self);
// tell the client that job has been started
_currentJob.Client.Tell(jobMessage);
BecomeReady();
});
// means at least one actor failed to respond
Receive <ReceiveTimeout>(timeout =>
{
_logger.Warning("Commander has received ReceiveTimeout from {0}", Sender.Path.Name);
// move to next state
BecomeReady();
});
}
private void Asking()
{
// received UnableToAcceptJobMessage from coordinator
Receive <UnableToAcceptJobMessage>(job =>
{
// each routee is giving response to cordinator
_pendingJobReplies--;
if (_pendingJobReplies == 0)
{
// send response to client
_currentJob.Client.Tell(job);
// move to next state
BecomeReady();
}
});
// received AbleToAcceptJobMessage from coordinator
Receive <AbleToAcceptJobMessage>(job =>
{
ColorConsole.WriteLineYellow($"Starting Job for Task ID: {job.ID}. {job.Description}");
// ask coordinator for processing message
var jobMessage = new JobStartedMessage(job.Description, job.ID);
Sender.Tell(jobMessage, Self);
// tell the client that job has been started
_currentJob.Client.Tell(jobMessage);
BecomeReady();
});
// means at least one actor failed to respond
Receive <ReceiveTimeout>(timeout =>
{
// send response to client
ColorConsole.WriteLineYellow($"Receive timeout from { Sender.Path.Name } for Task ID. {_currentJob.ID}. {_currentJob.Description}");
BecomeAsking();
});
}
public async Task <AcknowledgementMessage> ExecuteTask(JobStartedMessage taskMessage)
{
string outputPath = ConfigurationManager.AppSettings["ClientOutputFolderPath"];
string exePath = ConfigurationManager.AppSettings["ClientExecutablePath"];
string title = string.Format($"Executer : Task {taskMessage.ID}");
outputPath = ConvertToURIPath(outputPath);
exePath = ConvertToURIPath(exePath);
string extractor1 = outputPath + @"/" + "Extractor1.txt";
string extractor2 = outputPath + @"/" + taskMessage.Description;
return(await Task.Delay(100)
.ContinueWith <AcknowledgementMessage>(task =>
{
// execute task here
long taskTime = 0;
int exitCode = 0;
AcknowledgementReceipt receipt = AcknowledgementReceipt.SUCCESS;
if (string.IsNullOrEmpty(extractor2) || string.IsNullOrEmpty(extractor1) ||
string.IsNullOrEmpty(outputPath) || string.IsNullOrEmpty(exePath))
{
receipt = AcknowledgementReceipt.INVALID_TASK;
}
else
{
Task exteranlTask = Task.Factory.StartNew(() =>
{
ExecuteExternalApplication(extractor1, extractor2,
outputPath, exePath, title, ref taskTime, ref exitCode);
});
// wait for task to complete
exteranlTask.Wait();
Console.WriteLine(string.Format("Clpping process for task {0} exited with exit code {1}:",
taskMessage.ID.ToString(), exitCode.ToString()));
switch (exteranlTask.Status)
{
case TaskStatus.Faulted:
receipt = AcknowledgementReceipt.FAILED;
break;
case TaskStatus.Canceled:
receipt = AcknowledgementReceipt.CANCELED;
break;
case TaskStatus.RanToCompletion:
{
if (exitCode == 0 || exitCode == -529697949)
{
receipt = AcknowledgementReceipt.SUCCESS;
}
else if (exitCode == -1073741510)
{
receipt = AcknowledgementReceipt.CANCELED;
}
else
{
receipt = AcknowledgementReceipt.FAILED;
}
break;
}
}
}
// send the acknowledgement
return new AcknowledgementMessage(taskMessage.ID, taskMessage.Description, taskTime, receipt);
}));
}
/// <summary>
/// Perform the exceution of job, Handles "BeginJobMessage" message
/// </summary>
/// <param name="job"></param>
private void HandleJobExecute(JobStartedMessage job)
{
_myJob = job;
// use pipeto to handle async call from caller ( taskexecuter )
_taskExecuter.ExecuteTask(job).PipeTo(Self, Sender);
}