Esempio n. 1
0
        public AsyncLock()
        {
            m_semaphore = new AsyncSemaphore(1);
#if NET4_0
            m_releaser = TaskEx.FromResult(new Releaser(this));
#else
            m_releaser = Task.FromResult(new Releaser(this));
#endif
        }
 public void ItCompletesTheTasksWhenWaitAsyncIsCalledSampleTimes()
 {
     var asyncSemaphore = new AsyncSemaphore(SampleTimes);
     var tasks = new Task[SampleTimes];
     for (int i = 0; i < SampleTimes; i++)
     {
         tasks[i] = asyncSemaphore.WaitAsync();
     }
     var task = Task.WhenAll(tasks);
     task.Wait(TimeSpan.FromSeconds(1));
     Assert.IsTrue(task.IsCompleted);
 }
        public void ItReturnsNewUncompletedTasksWhenWaitAsyncIsCalledSamplePlusOneTimes()
        {
            var asyncSemaphore = new AsyncSemaphore(SampleTimes);
            var tasks = new Task[SampleTimes];
            for (int i = 0; i < SampleTimes; i++)
            {
                tasks[i] = asyncSemaphore.WaitAsync();
            }

            var task = Task.WhenAll(tasks);
            task.Wait(TimeSpan.FromSeconds(1));
            var newTask = asyncSemaphore.WaitAsync();
            Assert.IsTrue(newTask != task && task.IsCompleted && !newTask.IsCompleted);
        }
Esempio n. 4
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    public async Task TooManyReleases_CopyOfStruct()
    {
        var sem = new AsyncSemaphore(2);

        AsyncSemaphore.Releaser releaser1 = await sem.EnterAsync();

        AsyncSemaphore.Releaser releaser2 = await sem.EnterAsync();

        // Assigning the releaser struct to another local variable copies it.
        AsyncSemaphore.Releaser releaser2Copy = releaser2;

        // Dispose of each copy of the releaser.
        // The double-release is undetectable. The semaphore should be back at capacity 2.
        releaser2.Dispose();
        Assert.Equal(1, sem.CurrentCount);
        releaser2Copy.Dispose();
        Assert.Equal(2, sem.CurrentCount);

        releaser1.Dispose();
        Assert.Equal(3, sem.CurrentCount);
    }
        protected virtual void Dispose(bool disposing)
        {
            if (!disposing)
            {
                return;
            }

            try
            {
                if (this.connection != null)
                {
                    lock (this.thisLock)
                    {
                        if (this.connection != null)
                        {
                            this.connection.Close();
                            this.connection = null;
                        }
                    }
                }
            }
            finally
            {
                try
                {
                    if (this.semaphore != null)
                    {
                        this.semaphore.Dispose();
                        this.semaphore = null;
                    }
                }
                finally
                {
                    if (File.Exists(this.pathSchema))
                    {
                        File.Delete(this.pathSchema);
                    }
                }
            }
        }
        public async Task DisposeLock()
        {               //****************************************
            var MyLock = new AsyncSemaphore();
            //****************************************

            var MyDispose = MyLock.DisposeAsync();

            try
            {
                MyLock.Take().GetAwaiter().GetResult().Dispose();
            }
            catch (ObjectDisposedException)
            {
            }

            //****************************************

            await MyDispose;

            Assert.AreEqual(0, MyLock.WaitingCount, "Still waiting for Semaphore");
            Assert.AreEqual(MyLock.MaxCount, MyLock.CurrentCount, "Semaphore still held");
        }
Esempio n. 7
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            /// <summary>
            /// Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.
            /// </summary>
            public void Dispose()
            {
                AsyncSemaphore[] semaphores = Interlocked.Exchange(ref _semaphores, null);
                if (semaphores == null)
                {
                    return;
                }

                List <Exception> ex = null;

                for (int i = 0; i < semaphores.Length; i++)
                {
                    try
                    {
                        AsyncSemaphore sem = Interlocked.Exchange(ref semaphores[i], null);
                        sem?.Release();
                    }
                    catch (Exception e)
                    {
                        if (ex == null)
                        {
                            ex = new List <Exception>();
                        }
                        ex.Add(e);
                    }
                }

                if (ex == null ||
                    ex.Count < 1)
                {
                    return;
                }
                // ReSharper disable once AssignNullToNotNullAttribute
                if (ex.Count < 2)
                {
                    ex[0].ReThrow();
                }
                throw new AggregateException(ex);
            }
                public SemanticChangeProcessor(
                    IAsynchronousOperationListener listener,
                    int correlationId,
                    Workspace workspace,
                    IncrementalAnalyzerProcessor documentWorkerProcessor,
                    int backOffTimeSpanInMS,
                    int projectBackOffTimeSpanInMS,
                    CancellationToken cancellationToken) :
                    base(listener, backOffTimeSpanInMS, cancellationToken)
                {
                    this.gate = new AsyncSemaphore(initialCount: 0);

                    this.correlationId = correlationId;
                    this.workspace     = workspace;

                    this.processor = new ProjectProcessor(listener, correlationId, workspace, documentWorkerProcessor, projectBackOffTimeSpanInMS, cancellationToken);

                    this.workGate    = new NonReentrantLock();
                    this.pendingWork = new Dictionary <DocumentId, Data>();

                    Start();
                }
Esempio n. 9
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        public RazorProjectHostBase(
            IUnconfiguredProjectCommonServices commonServices,
            [Import(typeof(VisualStudioWorkspace))] Workspace workspace,
            RazorProjectChangePublisher razorProjectChangePublisher)
            : base(commonServices.ThreadingService.JoinableTaskContext)
        {
            if (commonServices == null)
            {
                throw new ArgumentNullException(nameof(commonServices));
            }

            if (workspace == null)
            {
                throw new ArgumentNullException(nameof(workspace));
            }

            CommonServices = commonServices;
            _workspace     = workspace;

            _lock                        = new AsyncSemaphore(initialCount: 1);
            _currentDocuments            = new Dictionary <string, HostDocument>(FilePathComparer.Instance);
            _razorProjectChangePublisher = razorProjectChangePublisher;
        }
        public async Task TryTakeLock()
        {               //****************************************
            var MyLock = new AsyncSemaphore();

            //****************************************

            Assert.True(MyLock.TryTake(out var MyHandle), "Lock not taken");

            var MyWait = MyLock.Take();

            Assert.IsFalse(MyWait.IsCompleted, "Nested lock taken");

            MyHandle.Dispose();

            MyHandle = await MyWait;

            MyHandle.Dispose();

            //****************************************

            Assert.AreEqual(0, MyLock.WaitingCount, "Still waiting for Semaphore");
            Assert.AreEqual(MyLock.MaxCount, MyLock.CurrentCount, "Semaphore still held");
        }
        public async Task LockCancelLockLock()
        {               //****************************************
            var MyLock = new AsyncSemaphore();
            var Resource = false;
            ValueTask <AsyncSemaphore.Instance> MyWaiter1, MyWaiter2;

            //****************************************

            using (var MySource = new CancellationTokenSource())
            {
                using (await MyLock.Take())
                {
                    MyWaiter1 = MyLock.Take(MySource.Token);

                    MyWaiter2 = MyLock.Take();

                    MySource.Cancel();

                    Assert.IsTrue(MyWaiter1.IsCanceled, "Wait not cancelled");

                    Assert.IsFalse(MyWaiter2.IsCompleted, "Nested lock taken");

                    Resource = true;
                }
            }

            //****************************************

            await MyWaiter2;

            Assert.IsTrue(Resource, "Block not entered");

            MyWaiter2.Result.Dispose();

            Assert.AreEqual(0, MyLock.WaitingCount, "Still waiting for Semaphore");
            Assert.AreEqual(MyLock.MaxCount, MyLock.CurrentCount, "Semaphore still held");
        }
        public void TryTakeCancel()
        {               //****************************************
            var MyLock = new AsyncSemaphore();

            //****************************************

            Assert.True(MyLock.TryTake(out var MyHandle1), "Lock not taken");

            using (var MyCancel = new CancellationTokenSource())
            {
                MyCancel.CancelAfter(50);

                var StartTime = DateTime.Now;

                try
                {
                    MyLock.TryTake(out _, MyCancel.Token);

                    Assert.Fail("Nested lock taken");
                }
                catch (OperationCanceledException)
                {
                }

                var EndTime = DateTime.Now;

                Assert.GreaterOrEqual((EndTime - StartTime).TotalMilliseconds, 50.0, "Finished too early");
            }

            MyHandle1.Dispose();

            //****************************************

            Assert.AreEqual(0, MyLock.WaitingCount, "Still waiting for Semaphore");
            Assert.AreEqual(MyLock.MaxCount, MyLock.CurrentCount, "Semaphore still held");
        }
        public void TryTakeMaxTime()
        {               //****************************************
            var MyLock = new AsyncSemaphore();

            //****************************************

            Assert.True(MyLock.TryTake(out var MyHandle1), "Lock not taken");

            var StartTime = DateTime.Now;


            Assert.False(MyLock.TryTake(out _, TimeSpan.FromMilliseconds(50)), "Nested lock taken");

            var EndTime = DateTime.Now;

            MyHandle1.Dispose();

            //****************************************

            Assert.GreaterOrEqual((EndTime - StartTime).TotalMilliseconds, 50.0, "Finished too early");

            Assert.AreEqual(0, MyLock.WaitingCount, "Still waiting for Semaphore");
            Assert.AreEqual(MyLock.MaxCount, MyLock.CurrentCount, "Semaphore still held");
        }
        public MacRazorProjectHostBase(
            DotNetProject project,
            ProjectSnapshotManagerDispatcher projectSnapshotManagerDispatcher,
            ProjectSnapshotManagerBase projectSnapshotManager,
            ProjectConfigurationFilePathStore projectConfigurationFilePathStore)
        {
            if (project is null)
            {
                throw new ArgumentNullException(nameof(project));
            }

            if (projectSnapshotManagerDispatcher is null)
            {
                throw new ArgumentNullException(nameof(projectSnapshotManagerDispatcher));
            }

            if (projectSnapshotManager is null)
            {
                throw new ArgumentNullException(nameof(projectSnapshotManager));
            }

            if (projectConfigurationFilePathStore is null)
            {
                throw new ArgumentNullException(nameof(projectConfigurationFilePathStore));
            }

            DotNetProject = project;
            ProjectSnapshotManagerDispatcher  = projectSnapshotManagerDispatcher;
            _projectSnapshotManager           = projectSnapshotManager;
            ProjectConfigurationFilePathStore = projectConfigurationFilePathStore;
            _onProjectChangedInnerSemaphore   = new AsyncSemaphore(initialCount: 1);
            _projectChangedSemaphore          = new AsyncSemaphore(initialCount: 1);
            _currentDocuments = new Dictionary <string, HostDocument>(FilePathComparer.Instance);

            AttachToProject();
        }
Esempio n. 15
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 public AsyncLock()
 {
     m_semaphore = new AsyncSemaphore(1);
     m_releaser  = Task.FromResult(new Releaser(this));
 }
 public MainPage()
 {
     this.InitializeComponent();
     _ = new AsyncSemaphore(1);
     new MessageDialog("dsgfadsf").ShowAsync().AsTask().Forget();
 }
Esempio n. 17
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 /// <summary>
 /// Disposes of managed resources.
 /// </summary>
 /// <param name="asyncSemaphore">The <see cref="T:Nito.AsyncEx.AsyncSemaphore"/> instance.</param>
 public static void Dispose(this AsyncSemaphore asyncSemaphore)
 {
     // None to do.  The original implementation of Nito.AsyncEx.AsyncSemaphore is not IDisposable.
 }
        public void WhenClientsCountIsLessThen_SemaphoreShouldNotMakeClientsWaitedAsync()
        {
            var sut = new AsyncSemaphore(3);

            ConcurrentAssert.EnsureThatTaskIsCompleted(Task.WhenAll(sut.WaitAsync(), sut.WaitAsync()));
        }
Esempio n. 19
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 public DialogService()
 {
     _lock = new AsyncSemaphore(1);
 }
 public void ItReturnsTaskWhenWaitAsyncIsCalled()
 {
     var asyncSemaphore = new AsyncSemaphore(SampleTimes);
     Assert.IsInstanceOfType(asyncSemaphore.WaitAsync(), typeof(Task));
 }
        public CommaDelimitedFileAdapter(string filePath, IReadOnlyCollection<string> columnNames)
        {
            if (string.IsNullOrWhiteSpace(filePath))
            {
                throw new ArgumentNullException(CommaDelimitedFileAdapter.ArgumentNameFilePath);
            }

            if (null == columnNames)
            {
                throw new ArgumentNullException(CommaDelimitedFileAdapter.ArgumentNameColumnNames);
            }

            this.headers = this.ComposeHeaders(columnNames);
            this.headersNormalized =
                this
                .headers
                .Select(
                    (string item) =>
                        item.ToUpperInvariant())
                .ToArray();
            this.header = string.Join(CommaDelimitedFileAdapter.Comma, this.headers);
            this.FilePath = System.IO.Path.GetFullPath(filePath);
            this.pathFolder = System.IO.Path.GetDirectoryName(this.FilePath);
            if (!Directory.Exists(this.pathFolder))
            {
                Directory.CreateDirectory(pathFolder);
            }
            this.fileName = System.IO.Path.GetFileName(FilePath);
            this.pathSchema = System.IO.Path.Combine(this.pathFolder, CommaDelimitedFileAdapter.SchemaFileName);
            this.schema = 
                string.Format(
                    CultureInfo.InvariantCulture,
                    CommaDelimitedFileAdapter.SchemaFileTemplate,
                    this.fileName);

            this.ValidateFile(columnNames);

            string connectionString =
                string.Format(
                    CultureInfo.InvariantCulture,
                    CommaDelimitedFileAdapter.ConnectionStringTemplate,
                    pathFolder);

            this.connection = new OleDbConnection(connectionString);
            this.connection.Open();

            this.semaphore = new AsyncSemaphore(1);
        }
Esempio n. 22
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 /// <summary>
 /// Reset the number of connections we allow to remote machines at once.
 /// </summary>
 /// <param name="numberOfConnections"></param>
 /// <remarks>
 /// This doesn't wait to drain current connections. It just opens up new slots - the old connections will
 /// eventually terminate and the system will drift towards the proper number of active connections.
 /// </remarks>
 public static void ResetAllowedSimultaniousConnections(uint numberOfConnections)
 {
     _gConnectionInterlockLimiter = new AsyncSemaphore(numberOfConnections);
 }
Esempio n. 23
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        /// <summary>
        /// Downloads binary (non-"Google Docs") file.
        /// </summary>
        /// <param name="service">Google Drive service used to download a file.</param>
        /// <param name="file">Meta-information about file to download.</param>
        /// <param name="semaphore">Semaphore used to throttle downloading process.</param>
        /// <param name="unitsOfWork">Abstract units of work assigned to download this file. Used in progress reporting.</param>
        /// <param name="directories">Dictionary that contains possible directories to save a file.</param>
        /// <returns>Information about downloaded file, null if downloading failed.</returns>
        /// <exception cref="InternalErrorException">Something is wrong with downloader code itself.</exception>
        public async Task <DownloadedFile> DownloadBinaryFile(
            DriveService service,
            File file,
            AsyncSemaphore semaphore,
            int unitsOfWork,
            IDictionary <File, IEnumerable <DirectoryInfo> > directories)
        {
            this.Info       = file.Name;
            this.Estimation = unitsOfWork;

            if (file.Size.HasValue && (file.Size.Value == 0))
            {
                try
                {
                    var fileName = FileDownloadUtils.GetFileName(file, directories);
                    System.IO.File.Create(fileName);
                    this.Done();
                    return(new DownloadedFile(file, fileName));
                }
                catch (Exception e)
                {
                    this.Log.LogError($"Saving zero-length file '{file.Name}' error.", e);
                    this.StatusAccumulator.FailureOccurred();
                    throw;
                }
            }

            var request = service.Files.Get(file.Id);

            request.MediaDownloader.ProgressChanged += downloadProgress =>
            {
                switch (downloadProgress.Status)
                {
                case DownloadStatus.NotStarted:
                    break;

                case DownloadStatus.Downloading:
                    this.Progress = (int)(downloadProgress.BytesDownloaded * unitsOfWork / (file.Size ?? 1));
                    break;

                case DownloadStatus.Completed:
                    this.Progress = this.Estimation;
                    break;

                case DownloadStatus.Failed:
                    this.Progress = this.Estimation;
                    if (!this.CancellationToken.IsCancellationRequested)
                    {
                        this.Status = Status.Error;
                        this.Log.LogError($"Downloading file '{file.Name}' error.", downloadProgress.Exception);
                        this.StatusAccumulator.FailureOccurred();
                    }

                    break;

                default:
                    throw new InternalErrorException("DownloadStatus enum contains unknown value.");
                }
            };

            await semaphore.WaitAsync();

            this.Log.LogDebugMessage($"Starting to download '{file.Name}' binary file.");

            try
            {
                var fileName = FileDownloadUtils.GetFileName(file, directories);
                using (var fileStream = new FileStream(fileName, FileMode.Create))
                {
                    await GoogleRequestHelper.Execute(
                        ct => request.DownloadAsync(fileStream, ct),
                        this.CancellationToken,
                        GoogleRequestHelper.Cooldown *Utils.Constants.DownloadThreadsCount);
                }

                var fileInfo = FileDownloadUtils.CorrectFileTimes(file, fileName);
                this.Log.LogDebugMessage($"File '{file.Name}' downloading finished, saved as {fileInfo.FullName}.");
                this.StatusAccumulator.SuccessItem();
                this.Done();
                return(new DownloadedFile(file, fileInfo.FullName));
            }
            catch (Exception e)
            {
                if (this.CancellationToken.IsCancellationRequested)
                {
                    throw;
                }

                this.Log.LogError($"Downloading file '{file.Name}' error.", e);
                this.StatusAccumulator.FailureOccurred();

                throw;
            }
            finally
            {
                semaphore.Release();
            }
        }
Esempio n. 24
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 public MaxConnectionsEnforcer(int maxConnections)
 {
     semaphore = new AsyncSemaphore(maxConnections);
 }
Esempio n. 25
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        /// <summary>
        /// A probe attempt to one destination.
        /// </summary>
        private async Task ProbeDestinationAsync(DestinationInfo destination, AsyncSemaphore semaphore, CancellationToken cancellationToken)
        {
            // Conduct a dither for every endpoint probe to optimize concurrency.
            var randomDither = _randomFactory.CreateRandomInstance();
            await _timer.Delay(TimeSpan.FromMilliseconds(randomDither.Next(_ditheringIntervalInMilliseconds)), cancellationToken);

            var    outcome   = HealthProbeOutcome.Unknown;
            string logDetail = null;

            // Enforce max concurrency.
            await semaphore.WaitAsync();

            Log.ProberStarted(_logger, BackendId, destination.DestinationId);
            try
            {
                using (var timeoutCts = CancellationTokenSource.CreateLinkedTokenSource(_cts.Token))
                {
                    // Set up timeout and start probing.
                    timeoutCts.CancelAfter(_httpTimeoutInterval, _timer);
                    var response = await _operationLogger.ExecuteAsync(
                        "ReverseProxy.Service.HealthProbe",
                        () => _backendProbeHttpClient.GetAsync(new Uri(new Uri(destination.Config.Value.Address, UriKind.Absolute), _healthControllerUrl), timeoutCts.Token));

                    // Collect response status.
                    outcome   = response.IsSuccessStatusCode ? HealthProbeOutcome.Success : HealthProbeOutcome.HttpFailure;
                    logDetail = $"Received status code {(int)response.StatusCode}";
                }
            }
            catch (HttpRequestException ex)
            {
                // If there is a error during the http request process. Swallow the error and log error message.
                outcome   = HealthProbeOutcome.TransportFailure;
                logDetail = ex.Message;
            }
            catch (OperationCanceledException)
            {
                // If the cancel requested by our StopAsync method. It is a expected graceful shut down.
                if (_cts.IsCancellationRequested)
                {
                    outcome   = HealthProbeOutcome.Canceled;
                    logDetail = "Operation deliberately canceled";
                    throw;
                }
                else
                {
                    outcome   = HealthProbeOutcome.Timeout;
                    logDetail = $"Health probe timed out after {Config.HealthCheckOptions.Interval.TotalSeconds} second";
                }
            }
            catch (Exception ex)
            {
                throw new Exception($"Prober for '{destination.DestinationId}' encounters unexpected exception.", ex);
            }
            finally
            {
                if (outcome != HealthProbeOutcome.Canceled)
                {
                    // Update the health state base on the response.
                    var healthState = outcome == HealthProbeOutcome.Success ? DestinationHealth.Healthy : DestinationHealth.Unhealthy;
                    destination.DynamicState.Value = new DestinationDynamicState(healthState);
                    Log.ProberResult(_logger, destination.DestinationId, outcome, logDetail);
                }

                // The probe operation is done, release the semaphore to allow other probes to proceed.
                semaphore.Release();
            }
        }
Esempio n. 26
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 public NonblockingChannel(ConcurrentQueue <T> writeQueue, AsyncSemaphore readSemaphore, AsyncSemaphore writeSemaphore)
 {
     this.writeQueue     = writeQueue;
     this.readSemaphore  = readSemaphore;
     this.writeSemaphore = writeSemaphore;
 }
Esempio n. 27
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 public AsyncLock() {
     _semaphore = new AsyncSemaphore(1);
     _releaser = Task.Factory.FromResult(new Releaser(this));
 }
Esempio n. 28
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 /// <summary>
 /// Initializes a new instance of the BlobReadStrea class.
 /// </summary>
 /// <param name="blob">Blob reference to read from</param>
 /// <param name="accessCondition">An object that represents the access conditions for the blob. If null, no condition is used.</param>
 /// <param name="options">An object that specifies any additional options for the request.</param>
 /// <param name="operationContext">An <see cref="OperationContext"/> object for tracking the current operation.</param>
 internal BlobReadStream(ICloudBlob blob, AccessCondition accessCondition, BlobRequestOptions options, OperationContext operationContext)
     : base(blob, accessCondition, options, operationContext)
 {
     this.parallelOperationSemaphore = new AsyncSemaphore(1);
 }
Esempio n. 29
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 public ProjectLocalSecretsManager(IProjectPropertiesProvider propertiesProvider, Lazy <IServiceProvider> serviceProvider)
 {
     _propertiesProvider = propertiesProvider ?? throw new ArgumentNullException(nameof(propertiesProvider));
     _services           = serviceProvider ?? throw new ArgumentNullException(nameof(serviceProvider));
     _semaphore          = new AsyncSemaphore(1);
 }
Esempio n. 30
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        public void Id_IsNotZero()
        {
            AsyncSemaphore semaphore = new AsyncSemaphore(0);

            Assert.NotEqual(0, semaphore.Id);
        }
 public void SetConcurrentCalls(int concurrentCalls)
 {
     _asyncSemaphore           = new AsyncSemaphore(concurrentCalls);
     Config.MaxConcurrentCalls = concurrentCalls;
 }
Esempio n. 32
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 /// <inheritdoc/>
 public void Start(AsyncSemaphore semaphore)
 {
     // Start background work, wake up for every interval(set in backend config).
     _backgroundPollingLoopTask = TaskScheduler.Current.Run(() => ProbeDestinationsAsync(semaphore, _cts.Token));
 }
 public AsyncLock()
 {
     _semaphore = new AsyncSemaphore();
     _releaser  = Task.FromResult((IDisposable) new Releaser(this));
 }
 public MongoIdentityStorage(string clusterName, IMongoCollection <PidLookupEntity> pids, int maxConcurrency = 50)
 {
     _asyncSemaphore = new AsyncSemaphore(maxConcurrency);
     _clusterName    = clusterName;
     _pids           = pids;
 }
        /// <summary>
        /// Asynchronously downloads meta-information for one file.
        /// </summary>
        /// <param name="service">Google Drive service that is used to download files metainformation.</param>
        /// <param name="file">File with filled Id field.</param>
        /// <param name="semaphore">Semaphore used to throttle downloading process.</param>
        /// <returns>Asynchronous task that downloads meta-information.</returns>
        private async Task <File> DownloadFileMetaInformation(DriveService service, File file, AsyncSemaphore semaphore)
        {
            var fileInfoRequest = service.Files.Get(file.Id);

            fileInfoRequest.Fields = "*";

            await semaphore.WaitAsync();

            try
            {
                var fileInfo = await GoogleRequestHelper.Execute(
                    fileInfoRequest.ExecuteAsync,
                    this.CancellationToken,
                    GoogleRequestHelper.Cooldown *Utils.Constants.DownloadThreadsCount);

                ++this.Progress;
                this.StatusAccumulator.SuccessItem();
                return(fileInfo);
            }
            catch (Exception e)
            {
                if (this.CancellationToken.IsCancellationRequested)
                {
                    throw;
                }

                this.Log.LogError($"Downloading meta-information for file {file.Name} failed.", e);
                this.StatusAccumulator.FailureOccurred();

                throw;
            }
            finally
            {
                semaphore.Release();
            }
        }
Esempio n. 36
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        public void ItReturnsTaskWhenWaitAsyncIsCalled()
        {
            var asyncSemaphore = new AsyncSemaphore(SampleTimes);

            Assert.IsInstanceOfType(asyncSemaphore.WaitAsync(), typeof(Task));
        }
 public MaxConnectionsEnforcer(int maxConnections)
 {
     semaphore = new AsyncSemaphore(maxConnections);
 }