public static async Task<ColdStorageCoordinator> CreateAsync(string hostName, Configuration configuration)
{
ColdStorageEventSource.Log.InitializingEventHubListener(configuration.EventHubName, configuration.ConsumerGroupName);
var storageAccount = CloudStorageAccount.Parse(configuration.BlobWriterStorageAccount);
Func<string, IBlobWriter> blobWriterFactory =
partitionId =>
new RollingBlobWriter.RollingBlobWriter(new PartitionAndDateNamingStrategy(partitionId, configuration.BlobPrefix),
storageAccount,
configuration.ContainerName,
configuration.RollSizeForBlobWriterMb);
var ns = NamespaceManager.CreateFromConnectionString(configuration.EventHubConnectionString);
try
{
await ns.GetConsumerGroupAsync(configuration.EventHubName, configuration.ConsumerGroupName).ConfigureAwait(false);
}
catch (Exception e)
{
ColdStorageEventSource.Log.InvalidEventHubConsumerGroupName(e, configuration.EventHubName, configuration.ConsumerGroupName);
throw;
}
ColdStorageEventSource.Log.ConsumerGroupFound(configuration.EventHubName, configuration.ConsumerGroupName);
var eventHubId = ConfigurationHelper.GetEventHubName(ns.Address, configuration.EventHubName);
var factory = new ColdStorageEventProcessorFactory(
blobWriterFactory,
configuration.CircuitBreakerWarningLevel,
configuration.CircuitBreakerTripLevel,
configuration.CircuitBreakerStallInterval,
configuration.CircuitBreakerLogCooldownInterval,
eventHubId
);
var options = new EventProcessorOptions()
{
MaxBatchSize = configuration.MaxBatchSize,
PrefetchCount = configuration.PreFetchCount,
ReceiveTimeOut = configuration.ReceiveTimeout,
InvokeProcessorAfterReceiveTimeout = true
};
options.ExceptionReceived +=
(s, e) => ColdStorageEventSource.Log.ErrorProcessingMessage(e.Exception, e.Action);
var host = new EventProcessorHost(
hostName,
consumerGroupName: configuration.ConsumerGroupName,
eventHubPath: configuration.EventHubName,
eventHubConnectionString: configuration.EventHubConnectionString,
storageConnectionString: configuration.CheckpointStorageAccount);
await host.RegisterEventProcessorFactoryAsync(factory, options).ConfigureAwait(false);
return new ColdStorageCoordinator(host);
}
public static async Task <ColdStorageCoordinator> CreateAsync(string hostName, Configuration configuration)
{
ColdStorageEventSource.Log.InitializingEventHubListener(configuration.EventHubName, configuration.ConsumerGroupName);
var storageAccount = CloudStorageAccount.Parse(configuration.BlobWriterStorageAccount);
Func <string, IBlobWriter> blobWriterFactory =
partitionId =>
new RollingBlobWriter.RollingBlobWriter(new PartitionAndDateNamingStrategy(partitionId, configuration.BlobPrefix),
storageAccount,
configuration.ContainerName,
configuration.RollSizeForBlobWriterMb);
var ns = NamespaceManager.CreateFromConnectionString(configuration.EventHubConnectionString);
try
{
await ns.GetConsumerGroupAsync(configuration.EventHubName, configuration.ConsumerGroupName).ConfigureAwait(false);
}
catch (Exception e)
{
ColdStorageEventSource.Log.InvalidEventHubConsumerGroupName(e, configuration.EventHubName, configuration.ConsumerGroupName);
throw;
}
ColdStorageEventSource.Log.ConsumerGroupFound(configuration.EventHubName, configuration.ConsumerGroupName);
var eventHubId = ConfigurationHelper.GetEventHubName(ns.Address, configuration.EventHubName);
var factory = new ColdStorageEventProcessorFactory(
blobWriterFactory,
configuration.CircuitBreakerWarningLevel,
configuration.CircuitBreakerTripLevel,
configuration.CircuitBreakerStallInterval,
configuration.CircuitBreakerLogCooldownInterval,
eventHubId
);
var options = new EventProcessorOptions()
{
MaxBatchSize = configuration.MaxBatchSize,
PrefetchCount = configuration.PreFetchCount,
ReceiveTimeOut = configuration.ReceiveTimeout,
InvokeProcessorAfterReceiveTimeout = true
};
options.ExceptionReceived +=
(s, e) => ColdStorageEventSource.Log.ErrorProcessingMessage(e.Exception, e.Action);
var host = new EventProcessorHost(
hostName,
consumerGroupName: configuration.ConsumerGroupName,
eventHubPath: configuration.EventHubName,
eventHubConnectionString: configuration.EventHubConnectionString,
storageConnectionString: configuration.CheckpointStorageAccount);
await host.RegisterEventProcessorFactoryAsync(factory, options).ConfigureAwait(false);
return(new ColdStorageCoordinator(host));
}
