/// <summary>
/// Creates the worker factory
/// </summary>
public ThreadPoolWorkerFactory(ITransport transport, IRebusLoggerFactory rebusLoggerFactory, IPipeline pipeline, IPipelineInvoker pipelineInvoker, Options options, Func<RebusBus> busGetter, BusLifetimeEvents busLifetimeEvents, ISyncBackoffStrategy backoffStrategy)
{
if (transport == null) throw new ArgumentNullException(nameof(transport));
if (rebusLoggerFactory == null) throw new ArgumentNullException(nameof(rebusLoggerFactory));
if (pipeline == null) throw new ArgumentNullException(nameof(pipeline));
if (pipelineInvoker == null) throw new ArgumentNullException(nameof(pipelineInvoker));
if (options == null) throw new ArgumentNullException(nameof(options));
if (busGetter == null) throw new ArgumentNullException(nameof(busGetter));
if (busLifetimeEvents == null) throw new ArgumentNullException(nameof(busLifetimeEvents));
if (backoffStrategy == null) throw new ArgumentNullException(nameof(backoffStrategy));
_transport = transport;
_rebusLoggerFactory = rebusLoggerFactory;
_pipeline = pipeline;
_pipelineInvoker = pipelineInvoker;
_options = options;
_busGetter = busGetter;
_backoffStrategy = backoffStrategy;
_parallelOperationsManager = new ParallelOperationsManager(options.MaxParallelism);
_log = _rebusLoggerFactory.GetCurrentClassLogger();
if (_options.MaxParallelism < 1)
{
throw new ArgumentException($"Max parallelism is {_options.MaxParallelism} which is an invalid value");
}
if (options.WorkerShutdownTimeout < TimeSpan.Zero)
{
throw new ArgumentOutOfRangeException($"Cannot use '{options.WorkerShutdownTimeout}' as worker shutdown timeout as it");
}
busLifetimeEvents.WorkersStopped += WaitForContinuationsToFinish;
}
internal ParallelOperation(bool canContinue, ParallelOperationsManager parallelOperationsManager)
{
_canContinue = canContinue;
_parallelOperationsManager = parallelOperationsManager;
if (!_canContinue) return;
_parallelOperationsManager.OperationStarted();
}
/// <summary>
/// Constructs the worker factory
/// </summary>
public ThreadWorkerFactory(ITransport transport, IPipeline pipeline, IPipelineInvoker pipelineInvoker, int maxParallelism)
{
if (transport == null) throw new ArgumentNullException("transport");
if (pipeline == null) throw new ArgumentNullException("pipeline");
if (pipelineInvoker == null) throw new ArgumentNullException("pipelineInvoker");
if (maxParallelism <= 0) throw new ArgumentOutOfRangeException(string.Format("Cannot use value '{0}' as max parallelism!", maxParallelism));
_transport = transport;
_pipeline = pipeline;
_pipelineInvoker = pipelineInvoker;
_parallelOperationsManager = new ParallelOperationsManager(maxParallelism);
}
public void DoesNotAllowMoreThanMaxParallelismToContinue()
{
var manager = new ParallelOperationsManager(3);
var operation1 = manager.TryBegin();
var operation2 = manager.TryBegin();
var operation3 = manager.TryBegin();
var operation4 = manager.TryBegin();
Assert.That(operation1.CanContinue(), Is.True);
Assert.That(operation2.CanContinue(), Is.True);
Assert.That(operation3.CanContinue(), Is.True);
Assert.That(operation4.CanContinue(), Is.False);
}
internal ThreadWorker(ITransport transport, IPipeline pipeline, IPipelineInvoker pipelineInvoker, string workerName, ThreadWorkerSynchronizationContext threadWorkerSynchronizationContext, ParallelOperationsManager parallelOperationsManager)
{
Name = workerName;
_transport = transport;
_pipeline = pipeline;
_pipelineInvoker = pipelineInvoker;
_threadWorkerSynchronizationContext = threadWorkerSynchronizationContext;
_parallelOperationsManager = parallelOperationsManager;
_workerThread = new Thread(ThreadStart)
{
Name = workerName,
IsBackground = true
};
_workerThread.Start();
}
internal ThreadWorker(ITransport transport, IPipeline pipeline, IPipelineInvoker pipelineInvoker, string workerName, ThreadWorkerSynchronizationContext threadWorkerSynchronizationContext, ParallelOperationsManager parallelOperationsManager, IBackoffStrategy backoffStrategy, IRebusLoggerFactory rebusLoggerFactory)
{
Name = workerName;
_log = rebusLoggerFactory.GetCurrentClassLogger();
_transport = transport;
_pipeline = pipeline;
_pipelineInvoker = pipelineInvoker;
_threadWorkerSynchronizationContext = threadWorkerSynchronizationContext;
_parallelOperationsManager = parallelOperationsManager;
_backoffStrategy = backoffStrategy;
_workerThread = new Thread(ThreadStart)
{
Name = workerName,
IsBackground = true
};
_workerThread.Start();
}
internal ThreadPoolWorker(string name, ITransport transport, IRebusLoggerFactory rebusLoggerFactory, IPipeline pipeline, IPipelineInvoker pipelineInvoker, ParallelOperationsManager parallelOperationsManager, RebusBus owningBus, Options options, ISyncBackoffStrategy backoffStrategy)
{
Name = name;
_log = rebusLoggerFactory.GetCurrentClassLogger();
_transport = transport;
_pipeline = pipeline;
_pipelineInvoker = pipelineInvoker;
_parallelOperationsManager = parallelOperationsManager;
_owningBus = owningBus;
_options = options;
_backoffStrategy = backoffStrategy;
_workerThread = new Thread(Run)
{
Name = name,
IsBackground = true
};
_workerThread.Start();
}
/// <summary>
/// Constructs the worker factory
/// </summary>
public ThreadWorkerFactory(ITransport transport, IPipeline pipeline, IPipelineInvoker pipelineInvoker, int maxParallelism, IBackoffStrategy backoffStrategy, IRebusLoggerFactory rebusLoggerFactory, TimeSpan workerShutdownTimeout)
{
if (transport == null) throw new ArgumentNullException(nameof(transport));
if (pipeline == null) throw new ArgumentNullException(nameof(pipeline));
if (pipelineInvoker == null) throw new ArgumentNullException(nameof(pipelineInvoker));
if (backoffStrategy == null) throw new ArgumentNullException(nameof(backoffStrategy));
if (rebusLoggerFactory == null) throw new ArgumentNullException(nameof(rebusLoggerFactory));
if (maxParallelism <= 0) throw new ArgumentOutOfRangeException($"Cannot use value '{maxParallelism}' as max parallelism!");
if (workerShutdownTimeout == null) throw new ArgumentNullException(nameof(workerShutdownTimeout));
_transport = transport;
_pipeline = pipeline;
_pipelineInvoker = pipelineInvoker;
_backoffStrategy = backoffStrategy;
_rebusLoggerFactory = rebusLoggerFactory;
_parallelOperationsManager = new ParallelOperationsManager(maxParallelism);
_workerShutdownTimeout = workerShutdownTimeout;
}
public void ReleasesOperationAsExpected()
{
var manager = new ParallelOperationsManager(3);
var operation1 = manager.TryBegin();
var operation2 = manager.TryBegin();
var operation3 = manager.TryBegin();
operation1.Dispose();
var operation4 = manager.TryBegin();
var operation5 = manager.TryBegin();
Assert.That(operation1.CanContinue(), Is.True);
Assert.That(operation2.CanContinue(), Is.True);
Assert.That(operation3.CanContinue(), Is.True);
Assert.That(operation4.CanContinue(), Is.True);
Assert.That(operation5.CanContinue(), Is.False);
}
public void ReleasingOperationThatCouldNotContinueDoesNotAffectAnything()
{
var manager = new ParallelOperationsManager(2);
var op1 = manager.TryBegin();
var op2 = manager.TryBegin();
var op3 = manager.TryBegin();
var op4 = manager.TryBegin();
op1.Dispose();
op2.Dispose();
op3.Dispose();
op4.Dispose();
var op5 = manager.TryBegin();
var op6 = manager.TryBegin();
var op7 = manager.TryBegin();
Assert.That(op5.CanContinue(), Is.True);
Assert.That(op6.CanContinue(), Is.True);
Assert.That(op7.CanContinue(), Is.False);
}
internal ParallelOperation(bool canContinue, ParallelOperationsManager parallelOperationsManager)
{
_canContinue = canContinue;
_parallelOperationsManager = parallelOperationsManager;
}
public AsyncTaskWorker(string name, ITransport transport, IPipeline pipeline, IPipelineInvoker pipelineInvoker, int maxParallelismPerWorker, IRebusLoggerFactory rebusLoggerFactory)
{
_transport = transport;
_pipeline = pipeline;
_pipelineInvoker = pipelineInvoker;
_parallelOperationsManager = new ParallelOperationsManager(maxParallelismPerWorker);
_log = rebusLoggerFactory.GetCurrentClassLogger();
Name = name;
_workerTask = new AsyncTask(name, DoWork, new ConsoleLoggerFactory(false), prettyInsignificant: true)
{
Interval = TimeSpan.FromMilliseconds(1)
};
_log.Debug("Starting (task-based) worker {0}", Name);
_workerTask.Start();
}
internal ParallelOperation(bool canContinue, ParallelOperationsManager parallelOperationsManager)
{
_canContinue = canContinue;
_parallelOperationsManager = parallelOperationsManager;
}