private void SendStatusMessage(string message)
{
using (var proxyClient = SessionProxyBackendConnection.Create(_dispatcherAddress, _sessionId))
{
proxyClient.Channel.ChangeMachineStatusMessage(Environment.MachineName, message);
}
}
private void AppDomain_ThreadException(object sender, UnhandledExceptionEventArgs e)
{
Exception error = (Exception)e.ExceptionObject;
TraceFactory.Logger.Fatal(error);
SessionProxyBackendConnection.ChangeResourceState(RuntimeState.Error);
Environment.Exit(1);
}
private void Instance_OnExecutionPaused(object sender, EventArgs e)
{
// Once the wait count is met, then this event handler will be called. Set the isPaused
// to true which will discontinue the loop just above looking for missing threads. Turn
// off the event and send a signal out that the resource is now paused.
_isPaused = true;
ApplicationFlowControl.Instance.OnExecutionPaused -= Instance_OnExecutionPaused;
SessionProxyBackendConnection.ChangeResourceState(RuntimeState.Paused);
}
/// <summary>
/// Creates the resources.
/// </summary>
public override void Start()
{
ChangeResourceState(RuntimeState.Starting);
OpenManagementServiceEndpoint(_reservation.Name);
// Register and let the dispatcher know it's available to run.
SessionProxyBackendConnection.RegisterResource(ServiceEndpoint);
}
private void VirtualResourceEventBus_OnReadyToRegister(object sender, EventArgs e)
{
// Register and let the dispatcher know it's available to run.
TraceFactory.Logger.Debug("Registering with proxy: {0}:{1} -> {2}"
.FormatWith(GlobalDataStore.Manifest.HostMachine, GlobalDataStore.ResourceInstanceId, _commandService.BaseAddresses[0].AbsoluteUri));
SessionProxyBackendConnection.RegisterResource(_commandService.BaseAddresses[0]);
TraceFactory.Logger.Debug("Registering with proxy complete");
ChangeState(RuntimeState.Registered);
}
/// <summary>
/// Reports a non-functioning asset to the runtime framework.
/// </summary>
/// <param name="assetInfo">The <see cref="IAssetInfo" /> representing the asset in error.</param>
/// <exception cref="ArgumentNullException"><paramref name="assetInfo" /> is null.</exception>
public void ReportAssetError(IAssetInfo assetInfo)
{
if (assetInfo == null)
{
throw new ArgumentNullException(nameof(assetInfo));
}
RuntimeError assetError = new RuntimeError(assetInfo.AssetId);
SessionProxyBackendConnection.HandleAssetError(assetError);
}
/// <summary>
/// Collects a memory usage profile from the specified device.
/// </summary>
/// <param name="deviceInfo">The <see cref="IDeviceInfo" /> representing the device to profile.</param>
/// <param name="label">The label to apply (for logging purposes).</param>
/// <exception cref="ArgumentNullException"><paramref name="deviceInfo" /> is null.</exception>
public void CollectDeviceMemoryProfile(IDeviceInfo deviceInfo, string label)
{
if (deviceInfo == null)
{
throw new ArgumentNullException(nameof(deviceInfo));
}
//Manually serialize the IDeviceInfo object before going over the wire.
string serializedDeviceInfo = Serializer.Serialize(deviceInfo).ToString();
SessionProxyBackendConnection.CollectDeviceMemoryProfile(serializedDeviceInfo, label);
}
/// <summary>
/// Event raised by the client factory when the "Shutdown" call has been made.
/// </summary>
private void EventBus_OnStop(object sender, EventArgs e)
{
TraceFactory.Logger.Info("Stop message received.");
foreach (PerfMonCounterByInterval counter in _perfMonCountersInterval)
{
counter.Stop();
}
TraceFactory.Logger.Debug("Logs flushed, sending offline signal");
SessionProxyBackendConnection.ChangeResourceState(RuntimeState.Offline);
}
private void EventBus_OnStart(object sender, EventArgs e)
{
TraceFactory.Logger.Info("Start message received.");
Console.WriteLine("Starting counters");
//start monitoring based on interval
foreach (PerfMonCounterByInterval counter in _perfMonCountersInterval)
{
counter.Start();
}
SessionProxyBackendConnection.ChangeResourceState(RuntimeState.Running);
}
protected virtual void ChangeState(RuntimeState state, bool copyLogs = false)
{
var instanceId = GlobalDataStore.ResourceInstanceId;
TraceFactory.Logger.Debug("{0} - change state to: {1}".FormatWith(instanceId, state));
TraceFactory.Logger.Debug("Machine: {0}".FormatWith(GlobalDataStore.Manifest.HostMachine));
SessionProxyBackendConnection.ChangeResourceState(state);
if (WorkerStateChanged != null)
{
WorkerStateChanged(this, new ResourceEventArgs(instanceId, state, copyLogs));
}
}
/// <summary>
/// Creates all EventLogCollector virtual resources.
/// </summary>
public override void Start()
{
ChangeResourceState(RuntimeState.Starting);
OpenManagementServiceEndpoint(_credential.UserName);
ChangeMachineStatusMessage("Configuring User");
CitrixSessionManager.ConfigureLocalUserGroups(_credential, _citrixServer);
ChangeMachineStatusMessage("Resetting Citrix");
CitrixSessionManager.ResetCitrixSession(_credential.UserName, _citrixServer);
// Register and let the dispatcher know it's available to run.
SessionProxyBackendConnection.RegisterResource(ServiceEndpoint);
}
private void engineController_WorkerStateChanged(object sender, ResourceEventArgs e)
{
if (logTextBox.InvokeRequired)
{
logTextBox.Invoke(new MethodInvoker(() => this.engineController_WorkerStateChanged(sender, e)));
}
else
{
switch (e.State)
{
case RuntimeState.Running:
case RuntimeState.Paused:
case RuntimeState.Halted:
case RuntimeState.Completed:
string message = "{0}: Activities are {1}.".FormatWith(TimeStamp, e.State);
logTextBox.AppendText(message + Environment.NewLine);
break;
case RuntimeState.ShuttingDown:
logTextBox.AppendText(TimeStamp + ": Shutting down..." + Environment.NewLine);
TraceFactory.Logger.Info("Shutdown message received, exiting in a few seconds");
// Dispose the controller which will cascade down and dispose all participating plugins
TraceFactory.Logger.Info("Disposing controller, engines and activities");
try
{
_controller.Dispose();
}
catch (Exception ex)
{
TraceFactory.Logger.Error(ex.Message);
}
if (e.CopyLogs)
{
TraceFactory.Logger.Debug("Pushing log file back to SessionProxy. Log Location: {0}".FormatWith(_logPath));
SessionProxyBackendConnection.SaveLogFiles(_logPath);
TraceFactory.Logger.Debug("Log files saved, changing state to offline.");
}
SessionProxyBackendConnection.ChangeResourceState(RuntimeState.Offline);
Thread.Sleep(TimeSpan.FromSeconds(2));
Application.Exit();
break;
}
}
}
private void ExecuteTasks()
{
LoadTesterActivityController.SetThreadName();
TraceFactory.Logger.Debug("Starting parallel execution of all tasks");
// Spin up each thread in parallel to get them all started at about the same time.
foreach (var thread in _threads)
{
thread.Task.Start();
}
// Wait for all the tasks to complete before proceeding
Task.WaitAll(_threads.Select(x => x.Task).ToArray());
TraceFactory.Logger.Debug("ALL TASKS COMPLETE");
SessionProxyBackendConnection.ChangeResourceState(RuntimeState.Completed);
}
/// <summary>
///
/// </summary>
/// <param name="resourceId"></param>
public Program(string resourceId)
{
//Set up the local service port
LoadServiceEndpoint();
// Sign up for the event that is fired when the client tells us to run.
VirtualResourceEventBus.OnStartMainRun += EventBus_OnStart;
VirtualResourceEventBus.OnShutdownResource += EventBus_OnStop;
VirtualResourceEventBus.OnPauseResource += EventBus_OnPause;
VirtualResourceEventBus.OnResumeResource += EventBus_OnResume;
LoadManifest(ref resourceId);
InitializeCounters();
SessionProxyBackendConnection.RegisterResource(_serviceEndpoint);
TraceFactory.Logger.Info("Monitoring {0}".FormatWith(GlobalDataStore.ResourceInstanceId));
//TraceFactory.Logger.Debug("Counters to monitor: " + components); //TODO: Hook this up
}
/// <summary>
/// Creates all EventLogCollector virtual resources.
/// </summary>
public override void Start()
{
LoadManifest();
ChangeResourceState(Runtime.RuntimeState.Starting);
// Sign up for the event that is fired when the client tells us to run.
VirtualResourceEventBus.OnStartMainRun += VirtualResourceEventBus_OnStart;
VirtualResourceEventBus.OnShutdownResource += VirtualResourceEventBus_OnStop;
VirtualResourceEventBus.OnPauseResource += VirtualResourceEventBus_OnPause;
VirtualResourceEventBus.OnResumeResource += VirtualResourceEventBus_OnResume;
OpenManagementServiceEndpoint(_collector.ResourceDefinition.HostName);
TraceFactory.Logger.Info("Monitoring: {0}{1}{2}".FormatWith(_collector.ResourceDefinition.HostName, Environment.NewLine, DisplayCollection(_collector.ResourceDefinition.Components)));
SessionProxyBackendConnection.RegisterResource(ServiceEndpoint);
TraceFactory.Logger.Debug("Dispatcher notified that system is ready to start");
}
public override void Start()
{
// Open the service endpoint so this resource can receive commands from the dispatcher,
// then start the engine controller and then let the dispatcher know that this
// resource is ready to run.
var name = SystemManifest.Resources.OfType <LoadTesterDetail>().First().Name;
ChangeResourceState(RuntimeState.Starting);
OpenManagementServiceEndpoint(GlobalDataStore.ResourceInstanceId);
TraceFactory.Logger.Debug("Service endpoint opened");
_controller = new LoadTesterActivityController();
_controller.Start();
TraceFactory.Logger.Debug("Load tester activity controller started");
// Register and let the dispatcher know it's available to run.
SessionProxyBackendConnection.RegisterResource(ServiceEndpoint);
TraceFactory.Logger.Debug("Dispatcher notified that system is ready to start");
}
void VirtualResourceEventBus_OnStartMainRun(object sender, VirtualResourceEventBusRunArgs e)
{
var resource = _manifest.Resources.First();
TraceFactory.Logger.Debug("Metadata count: {0}".FormatWith(resource.MetadataDetails.Count));
SessionProxyBackendConnection.ChangeResourceState(RuntimeState.Starting);
foreach (var metadataDetail in resource.MetadataDetails.Cast <LoadTesterMetadataDetail>())
{
var plan = metadataDetail.Plan as LoadTesterExecutionPlan;
if (plan.Mode != ExecutionMode.Poisson)
{
TraceFactory.Logger.Debug("Mode: {0}".FormatWith(plan.RampUpMode));
switch (plan.RampUpMode)
{
case RampUpMode.RateBased:
StartWithRateBasedRampUp(metadataDetail);
break;
case RampUpMode.TimeBased:
StartWithTimeBasedRampUp(metadataDetail);
break;
}
}
else
{
Task.Factory.StartNew(() => StartPoissonHandler(metadataDetail));
}
}
// Notify clients that this resource is now running
SessionProxyBackendConnection.ChangeResourceState(RuntimeState.Running);
}
/// <summary>
/// Signals a synchronization event with the specified name.
/// </summary>
/// <param name="eventName">The synchronization event name.</param>
public void SignalSynchronizationEvent(string eventName)
{
SessionProxyBackendConnection.SignalSynchronizationEvent(eventName);
}
private void EngineEventBus_ActivityStatusMessageChanged(object sender, StatusChangedEventArgs e)
{
SessionProxyBackendConnection.ChangeResourceStatusMessage(e.StatusMessage);
}
private void UnhandledException(Exception e)
{
TraceFactory.Logger.Fatal(e);
SessionProxyBackendConnection.ChangeResourceState(RuntimeState.Error);
Environment.Exit(1);
}
private void EventBus_OnPause(object sender, EventArgs e)
{
TraceFactory.Logger.Info("Pause message received.");
SessionProxyBackendConnection.ChangeResourceState(RuntimeState.Paused);
}
/// <summary>
/// Starts this instance of the <see cref=" VirtualClientController"/> to work with the Dispatcher,
/// then creates the virtual resources based on the provided <see cref="SystemManifest"/>.
/// </summary>
/// <remarks>
/// Creates a <see cref="SessionProxyBackendConnection"/> that is used to communicate with the
/// Dispatcher to provide status updates. Loads the <see cref="SystemManifest"/> into
/// the <see cref="GlobalDataStore"/> and into the <see cref="GlobalSettings"/>.
/// </remarks>
public void Start(string sessionId)
{
_sessionId = sessionId;
// Contact the dispatcher and register.
string manifestData = string.Empty;
TraceFactory.Logger.Debug("Registering with Dispatcher {0}, SessionId: {1}".FormatWith(_dispatcherAddress, _sessionId));
using (var proxyClient = SessionProxyBackendConnection.Create(_dispatcherAddress, _sessionId))
{
manifestData = proxyClient.Channel.RegisterMachine(Environment.MachineName);
}
_manifest = SystemManifest.Deserialize(manifestData);
string resourceInstanceId = string.Empty;
switch (_manifest.ResourceType)
{
case VirtualResourceType.AdminWorker:
case VirtualResourceType.OfficeWorker:
case VirtualResourceType.SolutionTester:
// These types don't use the resource instance Id as there can be multiple instances
// of the worker within the client controller process.
_manifest.PushToGlobalDataStore();
//The following code monitors the local host VM client event logs.
if (_manifest.CollectEventLogs)
{
EventLogCollectorDetail detail = new EventLogCollectorDetail();
detail.ComponentsData = Resources.ClientEventLogComponents;
detail.EntryTypesData = Resources.ClientEventLogEntryTypes;
detail.Description = "Client VM Event Collector";
detail.Enabled = true;
detail.HostName = Environment.MachineName;
detail.Name = Environment.MachineName;
detail.ResourceType = VirtualResourceType.EventLogCollector;
detail.PollingInterval = 15;
_manifest.Resources.Add(detail);
resourceInstanceId = _manifest.Resources.OfType <EventLogCollectorDetail>().First().HostName;
_manifest.PushToGlobalDataStore(resourceInstanceId);
}
break;
case VirtualResourceType.CitrixWorker:
case VirtualResourceType.LoadTester:
// These resources use credentials like the workers above, but run in the
// client controller process, so the data store needs the resource instance Id set.
resourceInstanceId = _manifest.Resources.Credentials.First().ResourceInstanceId;
_manifest.PushToGlobalDataStore(resourceInstanceId);
break;
case VirtualResourceType.EventLogCollector:
// This resource is unique as it uses the hostname as its unique name. It also
// runs within the client controller process so it needs its instance Id set.
// This event log collector monitors target machines rather than the local VM running the client controller
resourceInstanceId = _manifest.Resources.OfType <EventLogCollectorDetail>().First().HostName;
_manifest.PushToGlobalDataStore(resourceInstanceId);
break;
default:
// All other resources also run in the client controller process, but they use Name
// as their unique id.
var type = GetDetailType(_manifest.ResourceType);
resourceInstanceId = _manifest.Resources.Where(x => x.GetType().Equals(type)).First().Name;
TraceFactory.Logger.Debug("Resource Instance Id: {0}".FormatWith(resourceInstanceId));
_manifest.PushToGlobalDataStore(resourceInstanceId);
break;
}
TraceFactory.Logger.Debug("Resource Instance Id: {0}".FormatWith(resourceInstanceId));
_manifest.PushToGlobalSettings();
GlobalSettings.SetDispatcher(_dispatcherAddress);
TraceFactory.Logger.Debug(_manifest.ToString());
InstallPrintingCertficates();
InstallClientSoftware();
// Creates all the virtual resources specified in the provided manifest.
_handlers = VirtualResourceHandlerFactory.Create(_manifest);
foreach (var handler in _handlers)
{
handler.Start();
}
}
public static void RegisterResource(string resourceInstanceId, Uri endpoint)
{
SessionProxyBackendConnection.RegisterResource(endpoint);
}
/// <summary>
/// Changes the machine status.
/// </summary>
/// <param name="message">The status.</param>
public static void ChangeMachineStatusMessage(string message)
{
SessionProxyBackendConnection.ChangeMachineStatusMessage(message);
}
private void VirtualResourceEventBus_OnShutdownResource(object sender, VirtualResourceEventBusShutdownArgs e)
{
SessionProxyBackendConnection.ChangeResourceState(RuntimeState.ShuttingDown);
}
/// <summary>
/// Changes the state.
/// </summary>
/// <param name="state">The state.</param>
public static void ChangeResourceState(RuntimeState state)
{
SessionProxyBackendConnection.ChangeResourceState(state);
}
private void StartPoissonHandler(LoadTesterMetadataDetail metadataDetail)
{
var plan = metadataDetail.Plan as LoadTesterExecutionPlan;
var duration = TimeSpan.FromMinutes(plan.DurationTime);
var distribution = new PoissonDistribution().GetNormalizedValues(plan.ThreadCount);
if (distribution.Count() == 0)
{
TraceFactory.Logger.Debug("NO TASKS TO RUN");
SessionProxyBackendConnection.ChangeResourceState(RuntimeState.Completed);
return;
}
// Get the time delta between each sample point.
var delta = TimeSpan.FromTicks(duration.Ticks / (distribution.Count() - 1));
TraceFactory.Logger.Debug("Time Delta {0}".FormatWith(delta));
// Change the plan to support the Poisson settings. This will create
// each Task with a shorter execution time and will only create a
// DurationBased execution engine.
plan.DurationTime = (int)delta.TotalMinutes;
plan.Mode = ExecutionMode.Duration;
foreach (int threadCount in distribution)
{
// Create all the threads that will be used.
for (int i = 0; i < threadCount; i++)
{
// There is now ramp up delay with a Poisson thread
_threads.Add(new LoadTestThread(metadataDetail, TimeSpan.Zero));
}
// Start each thread for this segment
TraceFactory.Logger.Debug("Created {0} Tasks, now starting them...".FormatWith(threadCount));
foreach (var thread in _threads)
{
thread.Task.Start();
}
TraceFactory.Logger.Debug("{0} Tasks started, waiting for them to complete".FormatWith(threadCount));
// Wait for all the current threads to complete.
Task.WaitAll(_threads.Select(x => x.Task).ToArray());
// Clean up the completed threads
TraceFactory.Logger.Debug("{0} Tasks completed, disposing and clearing list".FormatWith(threadCount));
foreach (var thread in _threads)
{
thread.Dispose();
}
_threads.Clear();
}
TraceFactory.Logger.Debug("ALL TASKS COMPLETE");
SessionProxyBackendConnection.ChangeResourceState(RuntimeState.Completed);
}
private void VirtualResourceEventBus_ResumeResource(object sender, EventArgs e)
{
ApplicationFlowControl.Instance.Resume();
SessionProxyBackendConnection.ChangeResourceState(RuntimeState.Running);
}
/// <summary>
/// Changes the state.
/// </summary>
/// <param name="resourceInstanceId">Unique id for this resource.</param>
/// <param name="state">The state.</param>
public static void ChangeResourceState(string resourceInstanceId, RuntimeState state)
{
SessionProxyBackendConnection.ChangeResourceState(resourceInstanceId, state);
}
