/// <summary>
/// Removes the performance counter data specified in the arguments
/// </summary>
/// <param name="data">Data to remove performance counters</param>
/// <returns>Installation result</returns>
public static PmcInstallationResult RemovePerformanceCounters(PmcCreationData data)
{
var errors = new Dictionary <string, Exception>();
var categories = new List <string>();
if (data == null)
{
throw new ArgumentNullException("data");
}
// --- Remove categories one-by-one
foreach (var category in data.Categories.Values.Where(category => !category.IsPredefined))
{
var categoryName = AppConfigurationManager.ProviderSettings.InstancePrefix + category.Name;
try
{
// --- Delete the whole category
if (PerformanceCounterCategory.Exists(categoryName))
{
PerformanceCounterCategory.Delete(categoryName);
}
categories.Add(categoryName);
}
catch (Exception ex)
{
// --- Administer errors
errors[categoryName] = ex;
}
}
return(new PmcInstallationResult(categories, errors));
}
static void Main()
{
// --- Create performance counters if not installed yet
var counter = PmcManager.GetCounter<TasksProcessedPmc>("consumer");
if (!counter.HasInstance)
{
Console.WriteLine("Installing performance counters...");
var pmcData = new PmcCreationData();
pmcData.MergeCountersFromAssembly(typeof(TasksProcessedPmc).Assembly);
PmcManager.InstallPerformanceCounters(pmcData);
}
// --- Clean up the message queues
var requestQueue = ResourceConnectionFactory.CreateResourceConnection<INamedQueue>(REQUEST_QUEUE);
requestQueue.Clear();
var responseQueue = ResourceConnectionFactory.CreateResourceConnection<INamedQueue>(RESPONSE_QUEUE);
responseQueue.Clear();
// --- Set up the background host
var settings = AppConfigurationManager.GetSettings<BackgroundTaskHostSettings>(BACKGROUND_TASK_HOST_SECTION);
var host = new BackgroundTaskHost(settings);
// --- Do the work for 10 seconds
Console.WriteLine("Starting background task host.");
host.Start();
Thread.Sleep(5000);
var context = host.Configuration.DefaultContext;
var processors = host.Configuration.GetTaskProcessors();
foreach (var processor in processors.Where(processor => processor.Name == "Processor"))
{
processor.InstanceCount = 3;
break;
}
host.Reconfigure(new BackgroundTaskHostSettings(context, processors));
Thread.Sleep(5000);
Console.WriteLine("Stopping background task host.");
host.Stop();
}