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Code Issues Releases Wiki Activity

Cleaned up JobController.

This commit is contained in:
Keivan Beigi 2013-03-04 18:34:38 -08:00
parent 8ebcf0eb8b
commit 5e77d51510
3 changed files with 59 additions and 102 deletions
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40
NzbDrone.Core.Test/JobTests/JobControllerFixture.cs
View File

@ -79,7 +79,7 @@ namespace NzbDrone.Core.Test.JobTests
{
GivenPendingJob(new List<JobDefinition> { new JobDefinition { TypeName = _fakeJob.GetType().FullName } });
Subject.QueueScheduled();
Subject.EnqueueScheduled();
WaitForQueue();
_updatedJob.LastExecution.Should().BeWithin(TimeSpan.FromSeconds(10));
@ -92,7 +92,7 @@ namespace NzbDrone.Core.Test.JobTests
{
GivenPendingJob(new List<JobDefinition> { new JobDefinition { TypeName = _brokenJob.GetType().FullName } });
Subject.QueueScheduled();
Subject.EnqueueScheduled();
WaitForQueue();
_updatedJob.LastExecution.Should().BeWithin(TimeSpan.FromSeconds(10));
@ -102,11 +102,11 @@ namespace NzbDrone.Core.Test.JobTests
}
[Test]
public void can_run_async_job_again()
public void can_run_job_again()
{
Subject.QueueJob(typeof(FakeJob));
Subject.Enqueue(typeof(FakeJob));
WaitForQueue();
Subject.QueueJob(typeof(FakeJob));
Subject.Enqueue(typeof(FakeJob));
WaitForQueue();
Subject.Queue.Should().BeEmpty();
@ -116,9 +116,9 @@ namespace NzbDrone.Core.Test.JobTests
[Test]
public void should_ignore_job_with_same_arg()
{
Subject.QueueJob(typeof(SlowJob2), 1);
Subject.QueueJob(typeof(FakeJob), 1);
Subject.QueueJob(typeof(FakeJob), 1);
Subject.Enqueue(typeof(SlowJob2), 1);
Subject.Enqueue(typeof(FakeJob), 1);
Subject.Enqueue(typeof(FakeJob), 1);
WaitForQueue();
@ -131,10 +131,10 @@ namespace NzbDrone.Core.Test.JobTests
[Test]
public void can_run_broken_job_again()
{
Subject.QueueJob(typeof(BrokenJob));
Subject.Enqueue(typeof(BrokenJob));
WaitForQueue();
Subject.QueueJob(typeof(BrokenJob));
Subject.Enqueue(typeof(BrokenJob));
WaitForQueue();
@ -145,8 +145,8 @@ namespace NzbDrone.Core.Test.JobTests
[Test]
public void schedule_hit_should_be_ignored_if_queue_is_running()
{
Subject.QueueJob(typeof(SlowJob));
Subject.QueueScheduled();
Subject.Enqueue(typeof(SlowJob));
Subject.EnqueueScheduled();
WaitForQueue();
_slowJob.ExecutionCount.Should().Be(1);
@ -158,9 +158,9 @@ namespace NzbDrone.Core.Test.JobTests
public void can_queue_jobs_at_the_same_time()
{
Subject.QueueJob(typeof(SlowJob));
var thread1 = new Thread(() => Subject.QueueJob(typeof(FakeJob)));
var thread2 = new Thread(() => Subject.QueueJob(typeof(FakeJob)));
Subject.Enqueue(typeof(SlowJob));
var thread1 = new Thread(() => Subject.Enqueue(typeof(FakeJob)));
var thread2 = new Thread(() => Subject.Enqueue(typeof(FakeJob)));
thread1.Start();
thread2.Start();
@ -179,7 +179,7 @@ namespace NzbDrone.Core.Test.JobTests
[Test]
public void job_with_specific_target_should_not_update_status()
{
Subject.QueueJob(typeof(FakeJob), 10);
Subject.Enqueue(typeof(FakeJob), 10);
WaitForQueue();
@ -194,12 +194,12 @@ namespace NzbDrone.Core.Test.JobTests
{
GivenPendingJob(new List<JobDefinition> { new JobDefinition { TypeName = _slowJob.GetType().FullName } });
var jobThread = new Thread(Subject.QueueScheduled);
var jobThread = new Thread(Subject.EnqueueScheduled);
jobThread.Start();
Thread.Sleep(200);
Subject.QueueJob(typeof(DisabledJob), 12);
Subject.Enqueue(typeof(DisabledJob), 12);
WaitForQueue();
@ -210,7 +210,7 @@ namespace NzbDrone.Core.Test.JobTests
[Test]
public void trygin_to_queue_unregistered_job_should_fail()
{
Subject.QueueJob(typeof(UpdateInfoJob));
Subject.Enqueue(typeof(UpdateInfoJob));
WaitForQueue();
ExceptionVerification.ExpectedErrors(1);
}
@ -219,7 +219,7 @@ namespace NzbDrone.Core.Test.JobTests
public void scheduled_job_should_have_scheduler_as_source()
{
GivenPendingJob(new List<JobDefinition> { new JobDefinition { TypeName = _slowJob.GetType().FullName }, new JobDefinition { TypeName = _slowJob2.GetType().FullName } });
Subject.QueueScheduled();
Subject.EnqueueScheduled();
Subject.Queue.Should().OnlyContain(c => c.Source == JobQueueItem.JobSourceType.Scheduler);

3
NzbDrone.Core.Test/NzbDrone.Core.Test.ncrunchproject
View File

@ -546,6 +546,9 @@
<RegexTestSelector>
<RegularExpression>NzbDrone\.Core\.Test\.TvTests\.QualityModelFixture\..*</RegularExpression>
</RegexTestSelector>
<RegexTestSelector>
<RegularExpression>NzbDrone\.Core\.Test\.JobTests\.JobControllerFixture\..*</RegularExpression>
</RegexTestSelector>
</IgnoredTests>
<HiddenWarnings>PostBuildEventDisabled;PreBuildEventDisabled</HiddenWarnings>
</ProjectConfiguration>

82
NzbDrone.Core/Jobs/JobController.cs
View File

@ -4,6 +4,7 @@ using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using NLog;
using NzbDrone.Core.Model;
using NzbDrone.Core.Model.Notification;
@ -15,9 +16,9 @@ namespace NzbDrone.Core.Jobs
{
bool IsProcessing { get; }
IEnumerable<JobQueueItem> Queue { get; }
void QueueScheduled();
void QueueJob(Type jobType, dynamic options = null, JobQueueItem.JobSourceType source = JobQueueItem.JobSourceType.User);
bool QueueJob(string jobTypeString);
void EnqueueScheduled();
void Enqueue(Type jobType, dynamic options = null, JobQueueItem.JobSourceType source = JobQueueItem.JobSourceType.User);
bool Enqueue(string jobTypeString);
}
public class JobController : IJobController
@ -27,14 +28,10 @@ namespace NzbDrone.Core.Jobs
private readonly IJobRepository _jobRepository;
private readonly Logger _logger;
private Thread _jobThread;
private readonly object _executionLock = new object();
private readonly BlockingCollection<JobQueueItem> _queue = new BlockingCollection<JobQueueItem>();
private ProgressNotification _notification;
private readonly CancellationTokenSource _cancellationTokenSource;
public JobController(NotificationProvider notificationProvider, IEnumerable<IJob> jobs, IJobRepository jobRepository, Logger logger)
{
@ -42,12 +39,14 @@ namespace NzbDrone.Core.Jobs
_jobs = jobs;
_jobRepository = jobRepository;
_logger = logger;
ResetThread();
_cancellationTokenSource = new CancellationTokenSource();
Task.Factory.StartNew(ProcessQueue, _cancellationTokenSource.Token);
}
public bool IsProcessing { get; private set; }
public IEnumerable<JobQueueItem> Queue
{
get
@ -56,27 +55,24 @@ namespace NzbDrone.Core.Jobs
}
}
public virtual void QueueScheduled()
public void EnqueueScheduled()
{
lock (_executionLock)
{
if (_jobThread.IsAlive)
if (IsProcessing)
{
_logger.Trace("Queue is already running. Ignoring scheduler's request.");
return;
}
}
var pendingJobs = _jobRepository.GetPendingJobs()
.Select(c => _jobs.Single(t => t.GetType().ToString() == c.TypeName)
.GetType()).ToList();
pendingJobs.ForEach(jobType => QueueJob(jobType, source: JobQueueItem.JobSourceType.Scheduler));
pendingJobs.ForEach(jobType => Enqueue(jobType, source: JobQueueItem.JobSourceType.Scheduler));
_logger.Trace("{0} Scheduled tasks have been added to the queue", pendingJobs.Count);
}
public virtual void QueueJob(Type jobType, dynamic options = null, JobQueueItem.JobSourceType source = JobQueueItem.JobSourceType.User)
public void Enqueue(Type jobType, dynamic options = null, JobQueueItem.JobSourceType source = JobQueueItem.JobSourceType.User)
{
IsProcessing = true;
@ -89,8 +85,6 @@ namespace NzbDrone.Core.Jobs
_logger.Debug("Attempting to queue {0}", queueItem);
lock (_executionLock)
{
lock (_queue)
{
if (!_queue.Contains(queueItem))
@ -104,53 +98,30 @@ namespace NzbDrone.Core.Jobs
}
}
if (_jobThread.IsAlive)
{
_logger.Trace("Queue is already running. No need to start it up.");
return;
}
ResetThread();
_jobThread.Start();
}
}
public virtual bool QueueJob(string jobTypeString)
public bool Enqueue(string jobTypeString)
{
var type = Type.GetType(jobTypeString);
if (type == null)
return false;
QueueJob(type);
Enqueue(type);
return true;
}
private void ProcessQueue()
{
try
{
while (true)
{
try
{
IsProcessing = false;
var item = _queue.Take();
IsProcessing = true;
try
{
Execute(item);
}
catch (ThreadAbortException)
{
throw;
}
catch (Exception e)
{
_logger.FatalException("An error has occurred while executing job.", e);
}
}
}
catch (ThreadAbortException e)
{
_logger.Warn(e.Message);
@ -159,14 +130,13 @@ namespace NzbDrone.Core.Jobs
{
_logger.ErrorException("Error has occurred in queue processor thread", e);
}
finally
{
_logger.Trace("Finished processing jobs in the queue.");
}
}
private void Execute(JobQueueItem queueItem)
{
IsProcessing = true;
var jobImplementation = _jobs.SingleOrDefault(t => t.GetType() == queueItem.JobType);
if (jobImplementation == null)
{
@ -194,10 +164,6 @@ namespace NzbDrone.Core.Jobs
_logger.Debug("Job {0} successfully completed in {1:0}.{2} seconds.", queueItem, sw.Elapsed.TotalSeconds, sw.Elapsed.Milliseconds / 100,
sw.Elapsed.Seconds);
}
catch (ThreadAbortException)
{
throw;
}
catch (Exception e)
{
_logger.ErrorException("An error has occurred while executing job [" + jobImplementation.Name + "].", e);
@ -215,17 +181,5 @@ namespace NzbDrone.Core.Jobs
_jobRepository.Update(jobDefinition);
}
}
private void ResetThread()
{
if (_jobThread != null)
{
_jobThread.Abort();
}
_logger.Trace("resetting queue processor thread");
_jobThread = new Thread(ProcessQueue) { Name = "JobQueueThread" };
}
}
}