public async void RunAllJobs()
{
if (IsRunningJob)
{
return;
}
while (true)
{
IShareJob nextJob = null;
// TryDequeue is thread-safe
if (!InnerQueue.TryDequeue(out nextJob))
{
AllJobsFinished?.Invoke(this, new EventArgs());
return;
}
nextJob.StatusUpdate += Job_StatusUpdate;
nextJob.Finished += NextJob_Finished;
IsRunningJob = true;
CurrentJob = nextJob;
JobStarted?.Invoke(this, new ShareJobQueueStatusEventArgs(nextJob, "Started"));
await nextJob.Execute(); // executes NextJob_Finished when finished
IsRunningJob = false;
CurrentJob.StatusUpdate -= Job_StatusUpdate;
}
}
public async static Task StartJob(string jobDescription, int jobLength)
{
if (!IsJobRunning)
{
IsJobRunning = true;
JobStarted?.Invoke(nameof(StartJob), new JobStartedEventArgs(jobDescription, jobLength));
// task delay so that user would atleast see something happening
await Task.Delay(1000);
}
}
private async Task Run(CancellationToken token)
{
// checking if it's supposed to run
// it assumes that CalculateNextRun has been called previously from somewhere else
if (!NextRun.HasValue)
{
return;
}
// calculating delay
var delay = NextRun.Value - DateTime.Now;
// delaying until it's time to run or a cancellation was requested
await Task.Delay(delay < TimeSpan.Zero?TimeSpan.Zero : delay, token);
// checking if a cancellation was requested
if (token.IsCancellationRequested)
{
return;
}
// used on both JobStarted and JobEnded events
var startTime = DateTime.Now;
// raising JobStarted event
JobStarted?.Invoke(this, new JobStartedEventArgs(startTime));
// used on JobEnded event
Exception exception = null;
try
{
// running the job
_job();
}
catch (Exception e)
{
// catching the exception if any
exception = e;
}
// used on JobEnded event
var endTime = DateTime.Now;
// calculating the next run
// used on both JobEnded event and for the next run of this method
CalculateNextRun(startTime);
// raising JobEnded event
JobEnded?.Invoke(this, new JobEndedEventArgs(exception, startTime, endTime, NextRun));
// recursive call
// note that the NextRun was already calculated in this run
_task = Run(token);
}
public void OnJobStarted(JobInfo job)
{
using var scope = scopeFactory.CreateScope();
using var dataContext = scope.ServiceProvider.GetRequiredService <DataContext>();
job.State = JobState.Running;
job.Started = DateTimeOffset.UtcNow;
dataContext.SaveChanges();
userLogger.LogInfo("Job started", userId: job.UserId, jobId: job.Id);
JobStarted?.Invoke(this, new JobStartedEventArgs()
{
Job = job
});
}
/// <summary>
/// Executes the job.
/// </summary>
/// <param name="job">The job.</param>
/// <exception cref="NotImplementedException"></exception>
public void ExecuteJob(IEngineJob job)
{
// Check if task can be executed
if (!job.CanBeExecuted())
{
job.AddMessage($"The job cannot be executed.", MessageSeverity.Error);
throw new EngineException(logger, $"The job cannot be executed. This job was aborted.");
}
// Execute job
if (JobStarted != null)
{
JobStarted.Invoke((Guid)job.EntityId, (Guid)job.InstanceID);
}
job.Start();
// Stop the job
job.Stop();
if (job.HasErrors)
{
if (JobFinished != null)
{
JobFinished.Invoke((Guid)job.EntityId, (Guid)job.InstanceID, false);
}
job.AddMessage($"The job (instance: {job.InstanceID}) was not executed cause one or more errors occurs.", MessageSeverity.Error);
throw new EngineException(logger, $"The job (instance: {job.InstanceID}) was not executed cause one or more errors occurs. This job was aborted.");
}
else if (job.HasWarnings)
{
if (JobFinished != null)
{
JobFinished.Invoke((Guid)job.EntityId, (Guid)job.InstanceID, false);
}
job.AddMessage($"The job (instance: {job.InstanceID}) was executed but one or more warning occurs.", MessageSeverity.Warning);
throw new EngineException(logger, $"The job (instance: {job.InstanceID}) was executed but one or more warning occurs. This job was aborted.");
}
if (JobFinished != null)
{
JobFinished.Invoke((Guid)job.EntityId, (Guid)job.InstanceID, true);
}
}
private void _updateTimer_Elapsed(object sender)
{
var scsTelemetry = SharedMemory.Update <SCSTelemetry>();
var time = scsTelemetry.Timestamp;
Data?.Invoke(scsTelemetry, time != lastTime);
// Job close & start events
if (wasFinishingJob != scsTelemetry.SpecialEventsValues.JobFinished)
{
wasFinishingJob = scsTelemetry.SpecialEventsValues.JobFinished;
if (scsTelemetry.SpecialEventsValues.JobFinished)
{
JobFinished?.Invoke(this, new EventArgs());
}
}
if (wasOnJob != scsTelemetry.SpecialEventsValues.OnJob)
{
wasOnJob = scsTelemetry.SpecialEventsValues.OnJob;
if (scsTelemetry.SpecialEventsValues.OnJob)
{
JobStarted?.Invoke(this, new EventArgs());
}
}
if (wasConnected != scsTelemetry.SpecialEventsValues.TrailerConnected)
{
wasConnected = scsTelemetry.SpecialEventsValues.TrailerConnected;
if (scsTelemetry.SpecialEventsValues.TrailerConnected)
{
TrailerConnected?.Invoke(this, new EventArgs());
}
else
{
TrailerDisconnected?.Invoke(this, new EventArgs());
}
}
lastTime = time;
}
private void _updateTimer_Elapsed(object sender)
{
var scsTelemetry = sharedMemory.UpdateData();
// check if sdk is NOT running
if (!scsTelemetry.SdkActive && !paused)
{
// if so don't check so often the data
var tsInterval = new TimeSpan(0, 0, 0, 0, _defaultPausedUpdateInterval);
updateTimer.Change(tsInterval.Add(tsInterval), tsInterval);
paused = true;
// if sdk not active we don't need to do something
return;
}
if (paused && scsTelemetry.SdkActive)
{
// ok sdk is active now
paused = false;
Resume(); // going back to normal update rate
}
var time = scsTelemetry.Timestamp;
var updated = false;
if (time != lastTime || wasPaused != scsTelemetry.Paused)
{
// time changed or game state change -> update data
Data?.Invoke(scsTelemetry, true);
wasPaused = scsTelemetry.Paused;
lastTime = time;
updated = true;
}
//TODO: make it nicer thats a lot of code for such less work
// Job start event
if (wasOnJob != scsTelemetry.SpecialEventsValues.OnJob)
{
wasOnJob = scsTelemetry.SpecialEventsValues.OnJob;
if (wasOnJob)
{
if (!updated)
{
Data?.Invoke(scsTelemetry, true);
updated = true;
}
JobStarted?.Invoke(this, new EventArgs());
}
}
if (cancelled != scsTelemetry.SpecialEventsValues.JobCancelled)
{
cancelled = scsTelemetry.SpecialEventsValues.JobCancelled;
if (cancelled)
{
if (!updated)
{
Data?.Invoke(scsTelemetry, true);
updated = true;
}
JobCancelled?.Invoke(this, new EventArgs());
}
}
if (delivered != scsTelemetry.SpecialEventsValues.JobDelivered)
{
delivered = scsTelemetry.SpecialEventsValues.JobDelivered;
if (delivered)
{
if (!updated)
{
Data?.Invoke(scsTelemetry, true);
updated = true;
}
JobDelivered?.Invoke(this, new EventArgs());
}
}
if (fined != scsTelemetry.SpecialEventsValues.Fined)
{
fined = scsTelemetry.SpecialEventsValues.Fined;
if (fined)
{
Fined?.Invoke(this, new EventArgs());
}
}
if (tollgate != scsTelemetry.SpecialEventsValues.Tollgate)
{
tollgate = scsTelemetry.SpecialEventsValues.Tollgate;
if (tollgate)
{
Tollgate?.Invoke(this, new EventArgs());
}
}
if (ferry != scsTelemetry.SpecialEventsValues.Ferry)
{
ferry = scsTelemetry.SpecialEventsValues.Ferry;
if (ferry)
{
if (!updated)
{
Data?.Invoke(scsTelemetry, true);
updated = true;
}
Ferry?.Invoke(this, new EventArgs());
}
}
if (train != scsTelemetry.SpecialEventsValues.Train)
{
train = scsTelemetry.SpecialEventsValues.Train;
if (train)
{
if (!updated)
{
Data?.Invoke(scsTelemetry, true);
updated = true;
}
Train?.Invoke(this, new EventArgs());
}
}
if (refuel != scsTelemetry.SpecialEventsValues.Refuel)
{
refuel = scsTelemetry.SpecialEventsValues.Refuel;
if (scsTelemetry.SpecialEventsValues.Refuel)
{
RefuelStart?.Invoke(this, new EventArgs());
}
else
{
RefuelEnd?.Invoke(this, new EventArgs());
}
}
if (refuelPayed != scsTelemetry.SpecialEventsValues.RefuelPaid)
{
refuelPayed = scsTelemetry.SpecialEventsValues.RefuelPaid;
if (scsTelemetry.SpecialEventsValues.RefuelPaid)
{
RefuelPaid?.Invoke(this, new EventArgs());
}
}
// currently the design is that the event is called, doesn't matter if data changed
// also the old demo didn't used the flag and expected to be refreshed each call
// so without making a big change also call the event without update with false flag
if (!updated)
{
Data?.Invoke(scsTelemetry, false);
}
}
static void OnJobStarted(IJob job)
{
JobStarted?.Invoke(job);
}
private void _updateTimer_Elapsed(object sender)
{
var scsTelemetry = SharedMemory.Update <SCSTelemetry>();
// check if sdk is NOT running
if (!scsTelemetry.SdkActive && !paused)
{
// if so don't check so often the data
var tsInterval = new TimeSpan(0, 0, 0, 0, DefaultPausedUpdateInterval);
_updateTimer.Change(tsInterval.Add(tsInterval), tsInterval);
paused = true;
// if sdk not active we don't need to do something
return;
}
if (paused && scsTelemetry.SdkActive)
{
// ok sdk is active now
paused = false;
resume(); // going back to normal update rate
}
var time = scsTelemetry.Timestamp;
Data?.Invoke(scsTelemetry, time != lastTime);
//TODO: make it nicer thats a lot of code for such less work
// Job start event
if (wasOnJob != scsTelemetry.SpecialEventsValues.OnJob)
{
wasOnJob = scsTelemetry.SpecialEventsValues.OnJob;
if (scsTelemetry.SpecialEventsValues.OnJob)
{
JobStarted?.Invoke(this, new EventArgs());
}
}
if (cancelled != scsTelemetry.SpecialEventsValues.JobCancelled)
{
cancelled = scsTelemetry.SpecialEventsValues.JobCancelled;
if (scsTelemetry.SpecialEventsValues.JobCancelled)
{
JobCancelled?.Invoke(this, new EventArgs());
}
}
if (delivered != scsTelemetry.SpecialEventsValues.JobDelivered)
{
delivered = scsTelemetry.SpecialEventsValues.JobDelivered;
if (scsTelemetry.SpecialEventsValues.JobDelivered)
{
JobDelivered?.Invoke(this, new EventArgs());
}
}
if (fined != scsTelemetry.SpecialEventsValues.Fined)
{
fined = scsTelemetry.SpecialEventsValues.Fined;
if (scsTelemetry.SpecialEventsValues.Fined)
{
Fined?.Invoke(this, new EventArgs());
}
}
if (tollgate != scsTelemetry.SpecialEventsValues.Tollgate)
{
tollgate = scsTelemetry.SpecialEventsValues.Tollgate;
if (scsTelemetry.SpecialEventsValues.Tollgate)
{
Tollgate?.Invoke(this, new EventArgs());
}
}
if (ferry != scsTelemetry.SpecialEventsValues.Ferry)
{
ferry = scsTelemetry.SpecialEventsValues.Ferry;
if (scsTelemetry.SpecialEventsValues.Ferry)
{
Ferry?.Invoke(this, new EventArgs());
}
}
if (train != scsTelemetry.SpecialEventsValues.Train)
{
train = scsTelemetry.SpecialEventsValues.Train;
if (scsTelemetry.SpecialEventsValues.Train)
{
Train?.Invoke(this, new EventArgs());
}
}
if (refuel != scsTelemetry.SpecialEventsValues.Refuel)
{
refuel = scsTelemetry.SpecialEventsValues.Refuel;
if (scsTelemetry.SpecialEventsValues.Refuel)
{
Refuel?.Invoke(this, new EventArgs());
}
}
lastTime = time;
}
protected virtual void OnJobStarted(JobStartedEventArgs <CachedLog> e)
{
JobStarted?.Invoke(this, e);
}
public async Task RunArea(int x1, int y1, int x2, int y2, Municipality m)
{
cancellationSource = new CancellationTokenSource();
jobs = new ObservableCollection <Job>();
Dictionary <TileId, Tile> tiles = new Dictionary <TileId, Tile>();
for (int x = x1; x <= x2; x++)
{
for (int y = y1; y <= y2; y++)
{
TileId id = new TileId(x, y);
if (repository.Municipalities.map[id] != m.Id)
{
continue;
}
if (repository.Tiles.ContainsKey(id))
{
tiles[id] = repository.Tiles[id];
}
else
{
var tile = repository.GenerateTile(id);
tiles[id] = repository.Tiles[id] = tile;
}
repository.UpdateTile(tiles[id]);
}
}
waitingQueue = new BufferBlock <Tile>(new DataflowBlockOptions()
{
EnsureOrdered = true
});
workerBlock = new TransformBlock <Tile, Tile>(async t =>
{
t.Rescan(repository.DirectoryForTile(t.Id));
var job = Job.NextJob(t);
if (job == null)
{
return(t);
}
JobStarted.Invoke(this, job);
await job.Run(cancellationSource.Token, Cleanup);
t.Rescan(repository.DirectoryForTile(t.Id));
JobFinished.Invoke(this, job);
byte[] csvLine = job.CsvBytes;
repository.logFile.Write(csvLine, 0, csvLine.Length);
repository.logFile.Flush();
return(t);
}, new ExecutionDataflowBlockOptions()
{
CancellationToken = cancellationSource.Token,
MaxDegreeOfParallelism = workers,
});
//ActionBlock<Tile> mapUpdater = new ActionBlock<Tile>(t => repository.UpdateTile(t));
TaskCompletionSource <int> finishTask = new TaskCompletionSource <int>();
int finishedCounter = tiles.Count;
ActionBlock <Tile> tileFinished = new ActionBlock <Tile>(t => {
finishedCounter--;
if (finishedCounter == 0)
{
finishTask.SetResult(finishedCounter);
}
});
waitingQueue.LinkTo(workerBlock);
link = workerBlock.LinkTo(waitingQueue, t => Job.NextJob(t) != null);
workerBlock.LinkTo(tileFinished, t => Job.NextJob(t) == null);
//workerBlock.LinkTo(mapUpdater);
foreach (var pair in tiles)
{
await waitingQueue.SendAsync(pair.Value);
}
await finishTask.Task;
}
public void Started(AgentConfig agent)
{
state = BuildState.Running;
JobStarted?.Invoke(this, new JobStartedEventArgs(agent));
}
private void OnJobStarted(JobStartedEventArgs eventArgs) => JobStarted?.Invoke(this, eventArgs);
protected void OnJobStarted()
{
JobStarted?.Invoke(this, new WorkStateEventArgs(CurrentWorkState));
}
private static void OnJobStarted(AsyncJob args)
{
JobStarted?.Invoke(JobStarted, args);
}
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
});
}