public override bool OnStart()
{
try
{
// Set up the process defaults for connections to optimize storage performance
ServicePointManager.DefaultConnectionLimit = int.MaxValue;
var configuration = Configuration.GetCurrentConfiguration();
_coordinator = ColdStorageCoordinator.CreateAsync(RoleEnvironment.CurrentRoleInstance.Id, configuration).Result;
return(base.OnStart());
}
catch (Exception ex)
{
Trace.TraceError(ex.ToString());
throw;
}
}
private static async Task RunAsync(CancellationToken token)
{
var configuration = Configuration.GetCurrentConfiguration();
ColdStorageCoordinator processor = null;
try
{
//TODO: using fixed names causes name collision when more than one instance is created within the processor host.
//Consider changing to use Guid instead.
processor = await ColdStorageCoordinator.CreateAsync("Console", configuration);
Console.WriteLine("Running processor");
await Task.Delay(Timeout.InfiniteTimeSpan, token);
}
catch (Exception) {}
if (processor != null)
{
await processor.TearDownAsync();
}
}
private static async Task RunAsync(CancellationToken token)
{
var configuration = Configuration.GetCurrentConfiguration();
ColdStorageCoordinator processor = null;
var instrumentationPublisher =
new ColdStorageInstrumentationManager(true, true).CreatePublisher("Console");
processor =
await ColdStorageCoordinator.CreateAsync(
"Console",
configuration.EventHubName,
configuration.ConsumerGroupName,
configuration.EventHubConnectionString,
configuration.CheckpointStorageAccount,
configuration.MaxBatchSize,
configuration.PreFetchCount,
configuration.ReceiveTimeout,
new[] { configuration.BlobWriterStorageAccount },
configuration.ContainerName,
configuration.RollSizeForBlobWriterMb,
configuration.BlobPrefix,
configuration.CircuitBreakerWarningLevel,
configuration.CircuitBreakerTripLevel,
configuration.CircuitBreakerStallInterval,
configuration.CircuitBreakerLogCooldownInterval,
instrumentationPublisher);
Console.WriteLine("Running processor");
try
{
await Task.Delay(Timeout.InfiniteTimeSpan, token);
}
catch (TaskCanceledException) { /* expected cancellation */ }
processor.Dispose();
}