Example #1
0
        /// <summary>
        /// Initializes a new instance of the <see cref="TopicSender"/> class, 
        /// automatically creating the given topic if it does not exist.
        /// </summary>
        protected TopicSender(ServiceBusSettings settings, string topic, RetryStrategy retryStrategy)
        {
            this.settings = settings;
            this.topic = topic;

            this.tokenProvider = TokenProvider.CreateSharedSecretTokenProvider(settings.TokenIssuer, settings.TokenAccessKey);
            this.serviceUri = ServiceBusEnvironment.CreateServiceUri(settings.ServiceUriScheme, settings.ServiceNamespace, settings.ServicePath);

            // TODO: This could be injected.
            this.retryPolicy = new RetryPolicy<ServiceBusTransientErrorDetectionStrategy>(retryStrategy);
            this.retryPolicy.Retrying +=
                (s, e) =>
                {
                    var handler = this.Retrying;
                    if (handler != null)
                    {
                        handler(this, EventArgs.Empty);
                    }

                    Trace.TraceWarning("An error occurred in attempt number {1} to send a message: {0}", e.LastException.Message, e.CurrentRetryCount);
                };

            var factory = MessagingFactory.Create(this.serviceUri, this.tokenProvider);
            this.topicClient = factory.CreateTopicClient(this.topic);
        }
Example #2
0
        /// <inheritdoc />
        public EventHubContentLocationEventStore(
            ContentLocationEventStoreConfiguration configuration,
            IContentLocationEventHandler eventHandler,
            string localMachineName,
            CentralStorage centralStorage,
            Interfaces.FileSystem.AbsolutePath workingDirectory)
            : base(configuration, nameof(EventHubContentLocationEventStore), eventHandler, centralStorage, workingDirectory)
        {
            Contract.Requires(configuration.MaxEventProcessingConcurrency >= 1);
            _configuration    = configuration;
            _localMachineName = localMachineName;
            _eventHubClient   = CreateEventHubClient(configuration);
            _extraEventHubClientRetryPolicy = CreateEventHubClientRetryPolicy();

            if (configuration.MaxEventProcessingConcurrency > 1)
            {
                _eventProcessingBlocks =
                    Enumerable.Range(1, configuration.MaxEventProcessingConcurrency)
                    .Select(
                        (_, index) =>
                {
                    var serializer = new ContentLocationEventDataSerializer(configuration.SelfCheckSerialization ? ValidationMode.Trace : ValidationMode.Off);
                    return(new ActionBlock <ProcessEventsInput>(
                               t => ProcessEventsCoreAsync(t, serializer, index: index),
                               new ExecutionDataflowBlockOptions()
                    {
                        MaxDegreeOfParallelism = 1,
                        BoundedCapacity = configuration.EventProcessingMaxQueueSize,
                    }));
                })
                    .ToArray();
            }
        }
        /// <summary>
        /// Initializes a new instance of the <see cref="TopicSender"/> class,
        /// automatically creating the given topic if it does not exist.
        /// </summary>
        protected TopicSender(ServiceBusSettings settings, string topic, RetryStrategy retryStrategy)
        {
            this.settings = settings;
            this.topic    = topic;

            this.tokenProvider = TokenProvider.CreateSharedSecretTokenProvider(settings.TokenIssuer, settings.TokenAccessKey);
            this.serviceUri    = ServiceBusEnvironment.CreateServiceUri(settings.ServiceUriScheme, settings.ServiceNamespace, settings.ServicePath);

            // TODO: This could be injected.
            this.retryPolicy           = new RetryPolicy <ServiceBusTransientErrorDetectionStrategy>(retryStrategy);
            this.retryPolicy.Retrying +=
                (s, e) =>
            {
                var handler = this.Retrying;
                if (handler != null)
                {
                    handler(this, EventArgs.Empty);
                }

                Trace.TraceWarning("An error occurred in attempt number {1} to send a message: {0}", e.LastException.Message, e.CurrentRetryCount);
            };

            var factory = MessagingFactory.Create(this.serviceUri, this.tokenProvider);

            this.topicClient = factory.CreateTopicClient(this.topic);
        }
Example #4
0
        public AzureMessageLogWriter(CloudStorageAccount account, string tableName)
        {
            if (account == null)
            {
                throw new ArgumentNullException("account");
            }
            if (tableName == null)
            {
                throw new ArgumentNullException("tableName");
            }
            if (string.IsNullOrWhiteSpace(tableName))
            {
                throw new ArgumentException("tableName");
            }

            this.account     = account;
            this.tableName   = tableName;
            this.tableClient = account.CreateCloudTableClient();
#pragma warning disable 618
            // this.tableClient.RetryPolicy = RetryPolicies.NoRetry();
#pragma warning restore 618

            var retryStrategy = new ExponentialBackoff(10, TimeSpan.FromMilliseconds(100), TimeSpan.FromSeconds(15), TimeSpan.FromSeconds(1));
            this.retryPolicy = new RetryPolicy <StorageTransientErrorDetectionStrategy>(retryStrategy);
            var cloudTable = tableClient.GetTableReference(tableName);
            this.retryPolicy.ExecuteAction(() => cloudTable.CreateIfNotExists());
        }
Example #5
0
        public EventStore(CloudStorageAccount account, string tableName)
        {
            if (account == null) throw new ArgumentNullException("account");
            if (tableName == null) throw new ArgumentNullException("tableName");
            if (string.IsNullOrWhiteSpace(tableName)) throw new ArgumentException("tableName");

            this.account = account;
            this.tableName = tableName;
            this.tableClient = account.CreateCloudTableClient();
            this.tableClient.RetryPolicy = RetryPolicies.NoRetry();

            // TODO: This could be injected.
            var backgroundRetryStrategy = new ExponentialBackoff(10, TimeSpan.FromMilliseconds(100), TimeSpan.FromSeconds(15), TimeSpan.FromSeconds(1));
            var blockingRetryStrategy = new Incremental(3, TimeSpan.FromMilliseconds(100), TimeSpan.FromSeconds(1));
            this.pendingEventsQueueRetryPolicy = new RetryPolicy<StorageTransientErrorDetectionStrategy>(backgroundRetryStrategy);
            this.pendingEventsQueueRetryPolicy.Retrying += (s, e) =>
            {
                var handler = this.Retrying;
                if (handler != null)
                {
                    handler(this, EventArgs.Empty);
                }

                Trace.TraceWarning("An error occurred in attempt number {1} to access table storage (PendingEventsQueue): {0}", e.LastException.Message, e.CurrentRetryCount);
            };
            this.eventStoreRetryPolicy = new RetryPolicy<StorageTransientErrorDetectionStrategy>(blockingRetryStrategy);
            this.eventStoreRetryPolicy.Retrying += (s, e) => Trace.TraceWarning(
                "An error occurred in attempt number {1} to access table storage (EventStore): {0}",
                e.LastException.Message,
                e.CurrentRetryCount);

            this.eventStoreRetryPolicy.ExecuteAction(() => tableClient.CreateTableIfNotExist(tableName));
        }
 public SubscriptionDisposer(string topic, string subscription, bool isTransient, NamespaceManager namespaceManager, RetryPolicy retryPolicy)
 {
     _topic = topic;
     _subscription = subscription;
     _isTransient = isTransient;
     _namespaceManager = namespaceManager;
     _retryPolicy = retryPolicy;
 }
Example #7
0
        public EventStore(CloudStorageAccount account, string tableName)
        {
            if (account == null)
            {
                throw new ArgumentNullException("account");
            }
            if (tableName == null)
            {
                throw new ArgumentNullException("tableName");
            }
            if (string.IsNullOrWhiteSpace(tableName))
            {
                throw new ArgumentException("tableName");
            }

            this.account     = account;
            this.tableName   = tableName;
            this.tableClient = account.CreateCloudTableClient();
#pragma warning disable 618
            //this.tableClient.RetryPolicy = RetryPolicies.NoRetry();
#pragma warning restore 618

            // TODO: This could be injected.
            var backgroundRetryStrategy = new ExponentialBackoff(10, TimeSpan.FromMilliseconds(100),
                                                                 TimeSpan.FromSeconds(15), TimeSpan.FromSeconds(1));
            var blockingRetryStrategy = new Incremental(3, TimeSpan.FromMilliseconds(100), TimeSpan.FromSeconds(1));
            this.pendingEventsQueueRetryPolicy =
                new RetryPolicy <StorageTransientErrorDetectionStrategy>(backgroundRetryStrategy);
            this.pendingEventsQueueRetryPolicy.Retrying += (s, e) =>
            {
                var handler = this.Retrying;
                if (handler != null)
                {
                    handler(this, EventArgs.Empty);
                }

                Trace.TraceWarning(
                    "An error occurred in attempt number {1} to access table storage (PendingEventsQueue): {0}",
                    e.LastException.Message, e.CurrentRetryCount);
            };
            this.eventStoreRetryPolicy           = new RetryPolicy <StorageTransientErrorDetectionStrategy>(blockingRetryStrategy);
            this.eventStoreRetryPolicy.Retrying += (s, e) => Trace.TraceWarning(
                "An error occurred in attempt number {1} to access table storage (EventStore): {0}",
                e.LastException.Message,
                e.CurrentRetryCount);
            //Changed as Part of Code Migration
            //Previous Code:tableClient.CreateTableIfNotExist(tableName));
            var cloudTable = tableClient.GetTableReference(tableName);
            this.eventStoreRetryPolicy.ExecuteAction(() => cloudTable.CreateIfNotExists());

            // cloudTable.CreateIfNotExists()
        }
        public AzureMessageLogWriter(CloudStorageAccount account, string tableName)
        {
            if (account == null) throw new ArgumentNullException("account");
            if (tableName == null) throw new ArgumentNullException("tableName");
            if (string.IsNullOrWhiteSpace(tableName)) throw new ArgumentException("tableName");

            this.account = account;
            this.tableName = tableName;
            this.tableClient = account.CreateCloudTableClient();
            this.tableClient.RetryPolicy = RetryPolicies.NoRetry();

            var retryStrategy = new ExponentialBackoff(10, TimeSpan.FromMilliseconds(100), TimeSpan.FromSeconds(15), TimeSpan.FromSeconds(1));
            this.retryPolicy = new RetryPolicy<StorageTransientErrorDetectionStrategy>(retryStrategy);

            this.retryPolicy.ExecuteAction(() => tableClient.CreateTableIfNotExist(tableName));
        }
        /// <summary>
        /// Initializes a new instance of the <see cref="SubscriptionReceiver"/> class, 
        /// automatically creating the topic and subscription if they don't exist.
        /// </summary>
        protected SubscriptionReceiver(ServiceBusSettings settings, string topic, string subscription, bool processInParallel, RetryStrategy backgroundRetryStrategy)
        {
            this.settings = settings;
            this.topic = topic;
            this.subscription = subscription;
            this.processInParallel = processInParallel;

            this.tokenProvider = TokenProvider.CreateSharedSecretTokenProvider(settings.TokenIssuer, settings.TokenAccessKey);
            this.serviceUri = ServiceBusEnvironment.CreateServiceUri(settings.ServiceUriScheme, settings.ServiceNamespace, settings.ServicePath);

            var messagingFactory = MessagingFactory.Create(this.serviceUri, tokenProvider);
            this.client = messagingFactory.CreateSubscriptionClient(topic, subscription);
            if (this.processInParallel)
            {
                this.client.PrefetchCount = 18;
            }
            else
            {
                this.client.PrefetchCount = 14;
            }

            this.dynamicThrottling =
                new DynamicThrottling(
                    maxDegreeOfParallelism: 100,
                    minDegreeOfParallelism: 50,
                    penaltyAmount: 3,
                    workFailedPenaltyAmount: 5,
                    workCompletedParallelismGain: 1,
                    intervalForRestoringDegreeOfParallelism: 8000);
            this.receiveRetryPolicy = new RetryPolicy<ServiceBusTransientErrorDetectionStrategy>(backgroundRetryStrategy);
            this.receiveRetryPolicy.Retrying += (s, e) =>
            {
                this.dynamicThrottling.Penalize();
                Trace.TraceWarning(
                    "An error occurred in attempt number {1} to receive a message from subscription {2}: {0}",
                    e.LastException.Message,
                    e.CurrentRetryCount,
                    this.subscription);
            };

            var namespaceManager = new NamespaceManager(this.serviceUri, this.tokenProvider);

            if (!namespaceManager.SubscriptionExists(topic, subscription))
            {
                namespaceManager.CreateSubscription(topic, subscription);
            }
        }
        /// <summary>
        /// Initializes a new instance of the <see cref="SubscriptionReceiver"/> class, 
        /// automatically creating the topic and subscription if they don't exist.
        /// </summary>
        protected SubscriptionReceiver(ServiceBusSettings settings, string topic, string subscription, RetryStrategy backgroundRetryStrategy)
        {
            this.settings = settings;
            this.topic = topic;
            this.subscription = subscription;

            this.tokenProvider = TokenProvider.CreateSharedSecretTokenProvider(settings.TokenIssuer, settings.TokenAccessKey);
            this.serviceUri = ServiceBusEnvironment.CreateServiceUri(settings.ServiceUriScheme, settings.ServiceNamespace, settings.ServicePath);

            var messagingFactory = MessagingFactory.Create(this.serviceUri, tokenProvider);
            this.client = messagingFactory.CreateSubscriptionClient(topic, subscription);

            this.receiveRetryPolicy = new RetryPolicy<ServiceBusTransientErrorDetectionStrategy>(backgroundRetryStrategy);
            this.receiveRetryPolicy.Retrying +=
                (s, e) =>
                {
                    Trace.TraceError("An error occurred in attempt number {1} to receive a message: {0}", e.LastException.Message, e.CurrentRetryCount);
                };
        }
Example #11
0
        public EventStore(CloudStorageAccount account, string tableName)
        {
            if (account == null) throw new ArgumentNullException("account");
            if (tableName == null) throw new ArgumentNullException("tableName");
            if (string.IsNullOrWhiteSpace(tableName)) throw new ArgumentException("tableName");

            this.account = account;
            this.tableName = tableName;
            this.tableClient = account.CreateCloudTableClient();
            this.tableClient.RetryPolicy = RetryPolicies.NoRetry();

            // TODO: This could be injected.
            var backgroundRetryStrategy = new ExponentialBackoff(10, TimeSpan.FromMilliseconds(100), TimeSpan.FromSeconds(15), TimeSpan.FromSeconds(1));
            var blockingRetryStrategy = new Incremental(3, TimeSpan.FromMilliseconds(100), TimeSpan.FromSeconds(1));
            this.pendingEventsQueueRetryPolicy = new RetryPolicy<StorageTransientErrorDetectionStrategy>(backgroundRetryStrategy);
            this.eventStoreRetryPolicy = new RetryPolicy<StorageTransientErrorDetectionStrategy>(blockingRetryStrategy);

            this.eventStoreRetryPolicy.ExecuteAction(() => tableClient.CreateTableIfNotExist(tableName));
        }
Example #12
0
        /// <summary>
        /// Initializes a new instance of the <see cref="SessionSubscriptionReceiver"/> class,
        /// automatically creating the topic and subscription if they don't exist.
        /// </summary>
        protected SessionSubscriptionReceiver(ServiceBusSettings settings, string topic, string subscription, bool requiresSequentialProcessing, ISessionSubscriptionReceiverInstrumentation instrumentation, RetryStrategy backgroundRetryStrategy)
        {
            this.settings     = settings;
            this.topic        = topic;
            this.subscription = subscription;
            this.requiresSequentialProcessing = requiresSequentialProcessing;
            this.instrumentation = instrumentation;

            this.tokenProvider = TokenProvider.CreateSharedSecretTokenProvider(settings.TokenIssuer, settings.TokenAccessKey);
            this.serviceUri    = ServiceBusEnvironment.CreateServiceUri(settings.ServiceUriScheme, settings.ServiceNamespace, settings.ServicePath);

            var messagingFactory = MessagingFactory.Create(this.serviceUri, tokenProvider);

            this.client = messagingFactory.CreateSubscriptionClient(topic, subscription);
            if (this.requiresSequentialProcessing)
            {
                this.client.PrefetchCount = 10;
            }
            else
            {
                this.client.PrefetchCount = 15;
            }

            this.dynamicThrottling =
                new DynamicThrottling(
                    maxDegreeOfParallelism: 160,
                    minDegreeOfParallelism: 30,
                    penaltyAmount: 3,
                    workFailedPenaltyAmount: 5,
                    workCompletedParallelismGain: 1,
                    intervalForRestoringDegreeOfParallelism: 10000);
            this.receiveRetryPolicy           = new RetryPolicy <ServiceBusTransientErrorDetectionStrategy>(backgroundRetryStrategy);
            this.receiveRetryPolicy.Retrying += (s, e) =>
            {
                this.dynamicThrottling.Penalize();
                Trace.TraceWarning(
                    "An error occurred in attempt number {1} to receive a message from subscription {2}: {0}",
                    e.LastException.Message,
                    e.CurrentRetryCount,
                    this.subscription);
            };
        }
Example #13
0
        /// <summary>
        /// Initializes a new instance of the <see cref="TopicSender"/> class, 
        /// automatically creating the given topic if it does not exist.
        /// </summary>
        protected TopicSender(ServiceBusSettings settings, string topic, RetryStrategy retryStrategy)
        {
            this.settings = settings;
            this.topic = topic;

            // TODO: This could be injected.
            this.retryPolicy = new RetryPolicy<ServiceBusTransientErrorDetectionStrategy>(retryStrategy);
            this.retryPolicy.Retrying +=
                (s, e) =>
                {
                    var handler = this.Retrying;
                    if (handler != null)
                    {
                        handler(this, EventArgs.Empty);
                    }

                    Trace.TraceWarning("An error occurred in attempt number {1} to send a message: {0}", e.LastException.Message, e.CurrentRetryCount);
                };

            var factory = settings.GetMessagingFactory();
            this.topicClient = factory.CreateTopicClient(this.topic);
        }
Example #14
0
 /// <nodoc />
 public TransientFaultHandlingRetryPolicy(RetryPolicy policy) => _policy = policy;
        /// <summary>
        /// Initializes a new instance of the <see cref="SubscriptionReceiver"/> class, 
        /// automatically creating the topic and subscription if they don't exist.
        /// </summary>
        protected SubscriptionReceiver(ServiceBusSettings settings, string topic, string subscription, bool processInParallel, ISubscriptionReceiverInstrumentation instrumentation, RetryStrategy backgroundRetryStrategy)
        {
            this.settings = settings;
            this.topic = topic;
            this.subscription = subscription;
            this.processInParallel = processInParallel;
            this.instrumentation = instrumentation;

            var messagingFactory = settings.GetMessagingFactory();

            this.client = messagingFactory.CreateSubscriptionClient(topic, subscription);
            if (this.processInParallel)
            {
                this.client.PrefetchCount = 18;
            }
            else
            {
                this.client.PrefetchCount = 14;
            }

            this.dynamicThrottling =
                new DynamicThrottling(
                    maxDegreeOfParallelism: 100,
                    minDegreeOfParallelism: 50,
                    penaltyAmount: 3,
                    workFailedPenaltyAmount: 5,
                    workCompletedParallelismGain: 1,
                    intervalForRestoringDegreeOfParallelism: 8000);
            this.receiveRetryPolicy = new RetryPolicy<ServiceBusTransientErrorDetectionStrategy>(backgroundRetryStrategy);
            this.receiveRetryPolicy.Retrying += (s, e) =>
            {
                this.dynamicThrottling.Penalize();
                Trace.TraceWarning(
                    "An error occurred in attempt number {1} to receive a message from subscription {2}: {0}",
                    e.LastException.Message,
                    e.CurrentRetryCount,
                    this.subscription);
            };
        }