private void backgroundWorker1_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
{
// First, handle the case where an exception was thrown.
if (e.Error != null)
{
// MessageBox.Show(e.Error.Message);
}
else if (e.Cancelled)
{
// Next, handle the case where the user canceled
// the operation.
// Note that due to a race condition in
// the DoWork event handler, the Cancelled
// flag may not have been set, even though
// CancelAsync was called.
// resultLabel.Text = "Canceled";
}
else
{
// Finally, handle the case where the operation
// succeeded.
// resultLabel.Text = e.Result.ToString();
}
JobCompleted?.Invoke(sender, e);
// Enable the UpDown control.
}
/// <summary>Called by a runner process to signal end of job</summary>
/// <param name="sender">The sender</param>
/// <param name="args">The command arguments</param>
private void OnEndJob(object sender, SocketServer.CommandArgs args)
{
try
{
EndJobArguments arguments = args.obj as EndJobArguments;
JobCompleteArgs jobCompleteArguments = new JobCompleteArgs();
jobCompleteArguments.job = runningJobs[arguments.key];
if (arguments.errorMessage != null)
{
jobCompleteArguments.exceptionThrowByJob = new Exception(arguments.errorMessage);
}
lock (this)
{
if (JobCompleted != null)
{
JobCompleted.Invoke(this, jobCompleteArguments);
}
runningJobs.Remove(arguments.key);
}
server.Send(args.socket, "OK");
}
catch (Exception err)
{
errors += err.ToString() + Environment.NewLine;
}
}
private async Task FinishOutput(BuildState buildState, JobCompletedEventArgs jobCompletedEventArgs)
{
if (buildOutputStream != null)
{
await buildOutputStream.FlushAsync();
buildOutputStream.Flush(flushToDisk: true);
await buildOutputStream.DisposeAsync();
}
int extraChars = outputDecoder.GetCharCount(Array.Empty <byte>(), 0, 0, flush: true);
if (extraChars > 0)
{
var decoded = new char[extraChars];
outputDecoder.GetChars(Array.Empty <byte>(), 0, 0, decoded, 0, flush: true);
AppendLineChars(decoded);
}
await FileUtil.WriteAllTextToDiskAsync(
Path.Combine(buildDir, "result.json"),
JsonConvert.SerializeObject(new JobBuildResult {
State = buildState,
}),
Encoding.UTF8,
CancellationToken.None
);
outputLines.Add(currentLine.ToString());
OutputLinesChanged?.Invoke(this, new OutputLinesChangedEventArgs(outputLines));
state = buildState;
complete.TrySetResult(null);
JobCompleted?.Invoke(this, jobCompletedEventArgs);
}
protected async void FireJobCompleted(JobEventArgs jobEventArgs)
{
var dispatcher = CoreApplication.MainView.CoreWindow.Dispatcher;
await dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
JobCompleted?.Invoke(this, jobEventArgs);
});
}
public virtual void DoWork()
{
TimeToComplete -= Time.deltaTime;
if (TimeToComplete <= 0)
{
OnJobCompleted?.Invoke();
}
}
/// <summary>
/// Invoke the job completed event.
/// </summary>
/// <param name="job"></param>
/// <param name="jobManager"></param>
/// <param name="startTime"></param>
/// <param name="error"></param>
protected void InvokeJobCompleted(IRunnable job, IJobManager jobManager, DateTime startTime, Exception error)
{
var finishTime = DateTime.Now;
var arguments = new JobCompleteArguments()
{
Job = job,
ExceptionThrowByJob = error,
ElapsedTime = finishTime - startTime
};
jobManager.JobHasCompleted(arguments);
JobCompleted?.Invoke(this, arguments);
}
public void OnJobCompleted(JobInfo job, bool notifyUser = false)
{
using var scope = scopeFactory.CreateScope();
using var dataContext = scope.ServiceProvider.GetRequiredService <DataContext>();
job.State = JobState.Completed;
job.Completed = DateTimeOffset.UtcNow;
dataContext.SaveChanges();
userLogger.LogInfo("Job completed", userId: job.UserId, jobId: job.Id);
JobCompleted?.Invoke(this, new JobCompletedEventArgs()
{
Job = job
});
}
public bool Execute()
{
var startTime = DateTime.Now;
try
{
m_CurrentCancellationToken = new CancellationTokenSource();
var cancellationToken = m_CurrentCancellationToken.Token;
using (var prg = m_App.CreateProgress())
{
LogMessage("Preparing job");
var jobItems = PrepareJob();
JobSet?.Invoke(jobItems, startTime);
for (int i = 0; i < jobItems.Length; i++)
{
cancellationToken.ThrowIfCancellationRequested();
var jobItem = jobItems[i];
prg.SetStatus($"Processing {jobItem.FilePath}");
var res = TryProcessFile(jobItem, cancellationToken);
ProgressChanged?.Invoke(jobItem, res);
prg.Report((double)(i + 1) / (double)jobItems.Length);
}
}
return(true);
}
catch (OperationCanceledException)
{
throw new JobCancelledException();
}
catch (Exception ex)
{
m_Logger.Log(ex);
return(false);
}
finally
{
JobCompleted?.Invoke(DateTime.Now - startTime);
}
}
/// <summary>Run the specified jobs</summary>
/// <param name="jobs">An instance of a class that manages all jobs.</param>
/// <param name="wait">Wait until all jobs finished before returning?</param>
/// <param name="numberOfProcessors">The maximum number of cores to use.</param>
public void Run(IJobManager jobs, bool wait = false, int numberOfProcessors = -1)
{
// No - get another job to run.
IRunnable job = jobs.GetNextJobToRun();
CancellationTokenSource cancelToken = new CancellationTokenSource();
// Iterate through all jobs and run them.
while (job != null)
{
JobCompleteArgs jobCompleteArguments = new JobCompleteArgs();
jobCompleteArguments.job = job;
try
{
job.Run(cancelToken);
}
catch (Exception err)
{
jobCompleteArguments.exceptionThrowByJob = err;
}
if (JobCompleted != null)
{
JobCompleted.Invoke(this, jobCompleteArguments);
}
job = jobs.GetNextJobToRun();
}
Exception exceptionThrown = null;
try
{
jobs.Completed();
}
catch (Exception err)
{
exceptionThrown = err;
}
if (AllJobsCompleted != null)
{
AllJobsCompleted.Invoke(this, new AllCompletedArgs()
{
exceptionThrown = exceptionThrown
});
}
}
/// <summary>Main DoWork method for the scheduler thread. NB this does NOT run on the UI thread. /// </summary>
/// <param name="jobs">An instance of a class that manages all jobs.</param>
private void JobRunnerThread(IJobManager jobs)
{
// No - get another job to run.
IRunnable job = jobs.GetNextJobToRun();
Exception exceptionThrown = null;
try
{
// Iterate through all jobs and run them.
while (job != null && !cancelToken.IsCancellationRequested)
{
JobCompleteArgs jobCompleteArguments = new JobCompleteArgs();
jobCompleteArguments.job = job;
try
{
job.Run(cancelToken);
}
catch (Exception err)
{
jobCompleteArguments.exceptionThrowByJob = err;
}
if (JobCompleted != null)
{
JobCompleted.Invoke(this, jobCompleteArguments);
}
job = jobs.GetNextJobToRun();
}
jobs.Completed();
}
catch (Exception err)
{
exceptionThrown = err;
}
allJobsFinished = true;
AllJobsCompleted?.Invoke(this, new AllCompletedArgs()
{
exceptionThrown = exceptionThrown
});
}
public Task <bool> ExecuteAsync()
{
var startTime = DateTime.Now;
try
{
using (var prg = m_App.CreateProgress())
{
LogMessage("Preparing job");
var jobItems = PrepareJob();
JobSet?.Invoke(jobItems, startTime);
for (int i = 0; i < jobItems.Length; i++)
{
var jobItem = jobItems[i];
prg.SetStatus($"Processing {jobItem.FilePath}");
var res = TryProcessFile(jobItem, default);
ProgressChanged?.Invoke(jobItem, res);
prg.Report((double)i / (double)jobItems.Length);
}
}
return(Task.FromResult(true));
}
catch
{
return(Task.FromResult(false));
}
finally
{
JobCompleted?.Invoke(DateTime.Now - startTime);
}
}
/// <summary>Main DoWork method for the scheduler thread. NB this does NOT run on the UI thread. /// </summary>
/// <param name="jobs">An instance of a class that manages all jobs.</param>
/// <param name="numberOfTasksToUse">The number of tasks to run asyhchronously</param>
private void JobRunnerThread(IJobManager jobs, int numberOfTasksToUse = -1)
{
Exception exceptionThrown = null;
try
{
numberTasksRunning = 0;
// Main worker thread for keeping jobs running
while (!cancelToken.IsCancellationRequested)
{
// Have we reached our maximum number of running jobs?
if (numberTasksRunning >= numberOfTasksToUse)
{
Thread.Sleep(200); // Yes
}
else
{
// No - get another job to run.
IRunnable job = jobs.GetNextJobToRun();
// If no job available then exit - we're done.
if (job == null)
{
break;
}
// If the job is computationally intensive and will potentially take some time
// to run, then we want to keep track of how many of these are running.
if (typeof(IComputationalyTimeConsuming).IsAssignableFrom(job.GetType()))
{
lock (this)
numberTasksRunning++;
}
// Run the job.
Task.Run(() =>
{
JobCompleteArgs jobCompleteArguments = new JobCompleteArgs();
jobCompleteArguments.job = job;
try
{
job.Run(cancelToken);
}
catch (Exception err)
{
jobCompleteArguments.exceptionThrowByJob = err;
}
if (JobCompleted != null)
{
JobCompleted.Invoke(this, jobCompleteArguments);
}
lock (this)
numberTasksRunning--;
});
}
}
// All jobs now completed
while (numberTasksRunning > 0)
{
Thread.Sleep(200);
}
jobs.Completed();
}
catch (Exception err)
{
exceptionThrown = err;
}
if (AllJobsCompleted != null)
{
AllJobsCompleted.Invoke(this, new AllCompletedArgs()
{
exceptionThrown = exceptionThrown
});
}
}
private void OnJobCompleted(TimeSpan duration) => JobCompleted?.Invoke(duration);
protected virtual void OnJobCompleted(Worker worker, Job job)
{
JobCompleted?.Invoke(worker, job);
}
protected virtual void OnJobCompleted(object sender, EventArgs e)
{
JobCompleted?.Invoke(sender, e);
}
public void NotifyJobCompleted()
{
JobCompleted?.Invoke(this, EventArgs.Empty);
}
public static void OnJobCompleted(object sender, JobStatus e)
{
JobCompleted?.Invoke(sender, e);
}
public void OnJobCompleted(IJob e)
{
JobCompleted?.Invoke(this, e);
}
public void InvokeJobCompleted(TranslationJob job)
{
JobCompleted?.Invoke(job);
}
protected virtual void OnJobCompleted(JobCompletedEventArgs e) => JobCompleted?.Invoke(this, e);
private void OnJobCompleted(JobCompletedEventArgs eventArgs) => JobCompleted?.Invoke(this, eventArgs);
/// <summary>Main DoWork method for the scheduler thread. NB this does NOT run on the UI thread. /// </summary>
/// <param name="jobs">An instance of a class that manages all jobs.</param>
/// <param name="numberOfTasksToUse">The number of tasks to run asyhchronously</param>
private void JobRunnerThread(IJobManager jobs, int numberOfTasksToUse = -1)
{
Exception exceptionThrown = null;
try
{
int numberTasksRunning = 0;
// Main worker thread for keeping jobs running
while (!cancelToken.IsCancellationRequested)
{
// Have we reached our maximum number of running jobs?
if (numberTasksRunning >= numberOfTasksToUse)
{
Thread.Sleep(200); // Yes
}
else
{
// No - get another job to run.
IRunnable job = jobs.GetNextJobToRun();
// If no job available then exit - we're done.
if (job == null)
{
break;
}
lock (this)
numberTasksRunning++;
// Run the job.
Task.Run(() =>
{
JobCompleteArgs jobCompleteArguments = new JobCompleteArgs();
jobCompleteArguments.job = job;
try
{
job.Run(cancelToken);
}
catch (Exception err)
{
jobCompleteArguments.exceptionThrowByJob = err;
}
if (JobCompleted != null)
{
JobCompleted.Invoke(this, jobCompleteArguments);
}
lock (this)
numberTasksRunning--;
});
}
}
// All jobs now completed
while (numberTasksRunning > 0)
{
Thread.Sleep(200);
}
jobs.Completed();
}
catch (Exception err)
{
exceptionThrown = err;
}
if (AllJobsCompleted != null)
{
AllJobsCompleted.Invoke(this, new AllCompletedArgs()
{
exceptionThrown = exceptionThrown
});
}
}
public WorkflowResult Execute()
{
//A given instance of this class should only be executable one time since we hold
//on to processing and error state at the end of the run.
//We're not expecting this class to be used in a multi-threaded situation, but
//just the same, it's easy to prevent that unintended usage, so we'll do so here.
lock (_syncObject)
{
if (Complete || Executed)
{
throw new InvalidOperationException("The process may only be executed once.");
}
Executed = true;
}
JobStarted?.Invoke();
var rollback = false;
for (var i = 0; i < _steps.Count; ++i)
{
CurrentStep = i;
var step = _steps[i];
try
{
RunStep(step);
_lastStepCompleted = i;
}
catch (Exception e)
{
ActionException = e;
Error = true;
ErrorMessage = step.GetFormattedFailureMessage(e);
_logger.Error($"{WorkflowName} - {ErrorMessage}");
rollback = true;
break;
}
}
if (rollback)
{
Rollback();
}
Complete = true;
JobCompleted?.Invoke();
return(new WorkflowResult
{
Error = Error,
ActionException = ActionException,
ErrorDuringRollback = ErrorDuringRollback,
ErrorMessage = ErrorMessage,
RollbackErrorMessage = RollbackErrorMessage,
RollbackException = RollbackException,
TotalSteps = TotalSteps,
StepsCompletedSuccessfully = StepsCompletedSuccessfully,
StepsRolledBack = StepsRolledBack
});
}
