/// <summary>
/// Builds all components in this map.
/// </summary>
/// <param name="loopState">State of the loop.</param>
public override void Stage(ParallelLoopState loopState)
{
var allQueues = Configuration.ManifestSet.SelectMany(n => n.ActivityPrintQueues.Values.SelectMany(m => m.OfType <RemotePrintQueueInfo>()));
foreach (RemotePrintQueueInfo queue in allQueues.GroupBy(n => n.PrintQueueId).Select(n => n.First()))
{
RemotePrintQueueElements.Add(new RemotePrintQueueElement(queue.QueueName, queue.ServerHostName));
}
try
{
Parallel.ForEach <RemotePrintQueueElement>(RemotePrintQueueElements, (h, l) => h.Stage(l));
if (!SessionMapElement.AllElementsSetTo <RemotePrintQueueElement>(RemotePrintQueueElements, RuntimeState.Available))
{
loopState.Break();
return;
}
MapElement.UpdateStatus("Available", RuntimeState.Available);
}
catch (AggregateException ex)
{
MapElement.UpdateStatus(RuntimeState.Error, "Staging error", ex);
throw;
}
}
/// <summary>
/// Initializes a new instance of the <see cref="ResourceProfile" /> class.
/// </summary>
/// <param name="detail">The detail.</param>
/// <param name="resourceName">Name of the resource.</param>
public ResourceMetadata(string resourceName, ResourceMetadataDetail detail)
{
ResourceName = resourceName;
Detail = detail;
//MapElement = new SessionMapElement("{0}:{1}".FormatWith(resourceName, detail.Name), ElementType.ResourceMetadata, detail.MetadataType);
MapElement = new SessionMapElement(detail.Name, ElementType.Activity, detail.MetadataType);
}
/// <summary>
/// Turns on all resource hosts in this map.
/// </summary>
public override void PowerUp(ParallelLoopState loopState)
{
try
{
MapElement.UpdateStatus("Starting", RuntimeState.Starting);
TraceFactory.Logger.Debug("Calling PowerUp() in parallel on each Host");
Parallel.ForEach <ResourceHost>(Hosts, (h, l) => h.PowerUp(l));
if (!SessionMapElement.AllElementsSetTo <ResourceHost>(Hosts, RuntimeState.Ready))
{
MapElement.UpdateStatus(RuntimeState.Error);
loopState.Break();
return;
}
MapElement.UpdateStatus("Ready", RuntimeState.Ready);
}
catch (AggregateException ex)
{
TraceFactory.Logger.Error(ex.Message);
// Log the exception at this element level, then throw again to catch it higher
MapElement.UpdateStatus(RuntimeState.Error, "Power up error", ex);
throw;
}
}
/// <summary>
/// Initializes a new instance of the <see cref="RemotePrintQueueElement"/> class.
/// </summary>
/// <param name="printQueueName">Name of the print queue.</param>
/// <param name="serverName">Name of the server that the print queue is on.</param>
public RemotePrintQueueElement(string printQueueName, string serverName)
{
PrintQueueName = printQueueName;
PrintServerName = serverName;
MapElement = new SessionMapElement(PrintQueueName, ElementType.RemotePrintQueue, "Remote Print Queue");
}
public override void Validate(ParallelLoopState loopState, SystemManifest manifest, string machineName)
{
TraceFactory.Logger.Debug("Validating activities for {0} on Machine {1}".FormatWith(Id, machineName));
Parallel.ForEach <ResourceMetadata>(Metadata, (m, l) => m.Validate(l, Id, manifest, machineName));
if (SessionMapElement.AnyElementsSetTo <ResourceMetadata>(Metadata, RuntimeState.Error))
{
var elements = SessionMapElement.GetElements <ResourceMetadata>(RuntimeState.Error, Metadata).Select(x => x.Detail.Name);
TraceFactory.Logger.Debug("Metadata in ERROR: {0}".FormatWith(string.Join(", ", elements.ToArray())));
TraceFactory.Logger.Debug("Activity validation failed for {0}".FormatWith(Id));
MapElement.UpdateStatus("Activity validation failed", RuntimeState.Error);
loopState.Break();
return;
}
else if (SessionMapElement.AnyElementsSetTo <ResourceMetadata>(Metadata, RuntimeState.Warning))
{
var elements = SessionMapElement.GetElements <ResourceMetadata>(RuntimeState.Warning, Metadata).Select(x => x.Detail.Name);
TraceFactory.Logger.Debug("Metadata in WARNING: {0}".FormatWith(string.Join(", ", elements.ToArray())));
TraceFactory.Logger.Debug("Activity validation caused a warning for {0}".FormatWith(Id));
MapElement.UpdateStatus("Activity validation caused a warning", RuntimeState.Warning);
return;
}
MapElement.UpdateStatus("Validated", RuntimeState.Validated);
}
/// <summary>
/// Builds all components in this map.
/// </summary>
public override void Stage(ParallelLoopState loopState)
{
Thread.CurrentThread.SetName("Stage-{0}".FormatWith(Thread.CurrentThread.ManagedThreadId));
TraceFactory.Logger.Debug("Entering...");
// Use the index to create an initial unique hostname that will be
// replaced during the validation stage with an actual hostname.
foreach (var manifest in Configuration.ManifestSet)
{
ResourceHost host = new ResourceHost(manifest);
host.OnResourcesComplete += new EventHandler(ResourceHostsCompleted);
Hosts.Add(host);
}
try
{
Parallel.ForEach <ResourceHost>(Hosts, (h, l) => h.Stage(l));
if (!SessionMapElement.AllElementsSetTo <ResourceHost>(Hosts, RuntimeState.Available))
{
loopState.Break();
return;
}
}
catch (AggregateException ex)
{
// Log the exception at this element level, then throw again to catch it higher
MapElement.UpdateStatus(RuntimeState.Error, "Staging error", ex);
throw;
}
}
/// <summary>
/// Updates this instance from a source copy.
/// </summary>
/// <param name="source">The source.</param>
public void UpdateFrom(SessionMapElement source)
{
Name = source.Name;
State = source.State;
Message = source.Message;
ErrorDetail = source.ErrorDetail;
}
/// <summary>
/// Initializes all components in this map.
/// </summary>
public override void Revalidate(ParallelLoopState loopState)
{
Thread.CurrentThread.SetName("Revalidate-{0}".FormatWith(Thread.CurrentThread.ManagedThreadId));
// If we got into a hard error state (not an aggregate error), we won't be able to recover
if (MapElement.State == RuntimeState.Error)
{
MapElement.UpdateStatus();
return;
}
MapElement.UpdateStatus("Validating", RuntimeState.Validating);
try
{
Parallel.ForEach <ResourceHost>(Hosts, (h, l) => h.Revalidate(l));
if (!SessionMapElement.AllElementsSetTo <ResourceHost>(Hosts, RuntimeState.Validated))
{
MapElement.UpdateStatus(RuntimeState.AggregateError);
loopState.Break();
return;
}
MapElement.UpdateStatus("Validated", RuntimeState.Validated);
}
catch (AggregateException ex)
{
// Log the exception at this element level, then throw again to catch it higher
MapElement.UpdateStatus(RuntimeState.Error, "Validation error", ex);
throw;
}
}
/// <summary>
/// Initializes a new instance of the <see cref="ResourceInstance"/> class.
/// </summary>
/// <param name="instanceId">The unique key for this instance.</param>
/// <param name="detail">The detail information from the <see cref="SystemManifest"/>.</param>
public ResourceInstance(string instanceId, ResourceDetailBase detail)
{
Metadata = new Collection <ResourceMetadata>();
Detail = detail;
Id = instanceId;
MapElement = new SessionMapElement(instanceId, ElementType.Worker)
{
ElementSubtype = detail.ResourceType.ToString(),
ResourceId = Detail.ResourceId
};
Endpoint = null;
// Add the metadata detail to the collection
foreach (var data in Detail.MetadataDetails)
{
var metadata = new ResourceMetadata(Id, data);
// Clear the message, we will not worry about showing anything at this level.
metadata.MapElement.Message = string.Empty;
Metadata.Add(metadata);
}
TraceFactory.Logger.Debug("{0} created".FormatWith(instanceId));
}
private void PublishSessionMapElementHandler(SessionMapElement element)
{
_lastUpdate = DateTime.Now;
LastSessionMapElement = element;
if (_mapElementReceived != null)
{
_mapElementReceived(this, new SessionMapElementEventArgs(element));
}
}
/// <summary>
/// Executes this resource host, which may mean different things.
/// </summary>
public void Run(ParallelLoopState loopState)
{
Parallel.ForEach <ResourceInstance>(Resources, (r, l) => r.Run(l));
if (!SessionMapElement.AllElementsSetTo <ResourceInstance>(Resources, RuntimeState.Running))
{
TraceFactory.Logger.Debug("{0}: Not all resources reached a running state".FormatWith(Machine.Name));
loopState.Break();
}
MapElement.UpdateStatus("Running", RuntimeState.Running);
}
/// <summary>
/// Updates the state of the component.
/// </summary>
/// <param name="element">The state.</param>
public void PublishSessionMapElement(SessionMapElement element)
{
try
{
ThreadPool.QueueUserWorkItem(t => PublishSessionMapElementHandler(element));
}
catch (Exception ex)
{
TraceFactory.Logger.Error("Exception", ex);
throw;
}
}
/// <summary>
/// Initializes all components in this map.
/// </summary>
public override void Validate(ParallelLoopState loopState)
{
Thread.CurrentThread.SetName("Validate-{0}".FormatWith(Thread.CurrentThread.ManagedThreadId));
TraceFactory.Logger.Debug("Entering...");
MapElement.UpdateStatus("Validating", RuntimeState.Validating);
try
{
TraceFactory.Logger.Debug("Reserving required VMs");
// Try to allocate all the needed VMs if this fails then an error
// state will be sent back to the client.
_resourcePool.ReserveMachines();
}
catch (Exception ex)
{
TraceFactory.Logger.Error(ex);
MapElement.UpdateStatus(ex.Message, RuntimeState.Error);
loopState.Break();
return;
}
try
{
// First assign a machine instance to each host. This needs to be done before
// calling validate on each host.
foreach (var host in Hosts)
{
TraceFactory.Logger.Debug("Assigning machine {0}".FormatWith(host.Machine.Name));
_resourcePool.AssignMachine(host);
}
Parallel.ForEach <ResourceHost>(Hosts, (h, l) => h.Validate(l));
// Both "Validated" and "Warning" are valid states to allow the system to continue.
if (!SessionMapElement.AllElementsSetTo <ResourceHost>(Hosts, RuntimeState.Validated, RuntimeState.Warning))
{
MapElement.UpdateStatus(RuntimeState.AggregateError);
loopState.Break();
return;
}
MapElement.UpdateStatus("Validated", RuntimeState.Validated);
}
catch (AggregateException ex)
{
// Log the exception at this element level, then throw again to catch it higher
MapElement.UpdateStatus(RuntimeState.Error, "Validation error", ex);
throw;
}
}
private void SetSessionContext(SessionMapElement element)
{
string sessionId = null;
string elementId = null;
if (element != null)
{
sessionId = element.SessionId;
elementId = element.Id.ToString();
}
TraceFactory.SetSessionContext(sessionId);
TraceFactory.SetThreadContextProperty("SessionMapElementId", elementId, false);
}
/// <summary>
/// Initializes this asset
/// </summary>
public virtual void Validate(ParallelLoopState loopState)
{
Thread.CurrentThread.SetName("Validate-{0}".FormatWith(Thread.CurrentThread.ManagedThreadId));
MapElement.UpdateStatus("Validating", RuntimeState.Validating);
try
{
TraceFactory.Logger.Debug("Validating host {0}".FormatWith(Machine.Name));
Machine.Validate();
// In case a new Machine was chosen, update the name of the map element to be consistent.
MapElement.Name = Machine.Name;
MapElement.UpdateStatus();
Manifest.HostMachine = Machine.Name;
}
catch (Exception ex)
{
TraceFactory.Logger.Error(ex);
MapElement.UpdateStatus(ex.Message, RuntimeState.Error);
loopState.Break();
return;
}
TraceFactory.Logger.Debug("Now validating each resource running on {0}".FormatWith(Machine.Name));
Parallel.ForEach <ResourceInstance>(Resources, (r, l) => r.Validate(l, Manifest, Machine.Name));
if (SessionMapElement.AnyElementsSetTo <ResourceInstance>(Resources, RuntimeState.Error))
{
var elements = SessionMapElement.GetElements <ResourceInstance>(RuntimeState.Error, Resources).Select(x => x.Id);
TraceFactory.Logger.Debug("Resources in ERROR: {0}".FormatWith(string.Join(", ", elements.ToArray())));
TraceFactory.Logger.Debug("Resource validation for {0}".FormatWith(Machine.Name));
MapElement.UpdateStatus("Resource validation failed", RuntimeState.Error);
loopState.Break();
return;
}
else if (SessionMapElement.AnyElementsSetTo <ResourceInstance>(Resources, RuntimeState.Warning))
{
var elements = SessionMapElement.GetElements <ResourceInstance>(RuntimeState.Warning, Resources).Select(x => x.Id);
TraceFactory.Logger.Debug("Resources in WARNING: {0}".FormatWith(string.Join(", ", elements.ToArray())));
TraceFactory.Logger.Debug("Resource validation caused warning on {0}".FormatWith(Machine.Name));
MapElement.UpdateStatus("Resource validation caused a warning", RuntimeState.Warning);
return;
}
MapElement.UpdateStatus("Validated", RuntimeState.Validated);
}
/// <summary>
/// Builds all components in this map.
/// </summary>
public override void Stage(ParallelLoopState loopState)
{
foreach (var asset in Configuration.ManifestSet.SelectMany(x => x.Assets.Devices).Distinct())
{
var className = string.Empty;
var attribute =
(
from a in asset.GetType().GetCustomAttributes(true)
where a.GetType() == typeof(AssetHostAttribute)
select a as AssetHostAttribute
).FirstOrDefault();
if (attribute != null)
{
className = "{0}.{1}".FormatWith(GetType().Namespace, attribute.ClassName);
}
else
{
var assetName = asset.GetType().Name;
var exception = new DispatcherOperationException("Invalid AssetHost class for {0}".FormatWith(assetName));
MapElement.UpdateStatus(RuntimeState.Error, "Invalid asset: ".FormatWith(assetName), exception);
}
TraceFactory.Logger.Debug(string.Format("Type:{0} Asset: {1}", className, asset.Description));
var assetHost = (AssetHost)Activator.CreateInstance(Type.GetType(className), new object[] { asset });
TraceFactory.Logger.Debug("Adding {0}".FormatWith(assetHost.Asset.AssetId));
Hosts.Add(assetHost);
}
try
{
Parallel.ForEach <AssetHost>(Hosts, (h, l) => h.Stage(l));
if (!SessionMapElement.AllElementsSetTo <AssetHost>(Hosts, RuntimeState.Available))
{
loopState.Break();
return;
}
MapElement.UpdateStatus("Available", RuntimeState.Available);
}
catch (AggregateException ex)
{
// Log the exception at this element level, the throw again to catch it higher
MapElement.UpdateStatus(RuntimeState.Error, "Staging error", ex);
throw;
}
}
private void PublishSessionMapElementHandler(SessionMapElement element, Uri subscriber)
{
try
{
using (SessionClientConnection callback = GetConnection(subscriber))
{
//TraceFactory.Logger.Debug("PublishSessionMapElement({0}, {1})".FormatWith(element.Name, subscriber.AbsoluteUri));
callback.Channel.PublishSessionMapElement(element);
//TraceFactory.Logger.Debug("PublishSessionMapElement({0}, {1})...DONE".FormatWith(element.Name, subscriber.AbsoluteUri));
}
}
catch (Exception ex)
{
TraceFactory.Logger.Debug("Error: {0}: {1}".FormatWith(subscriber.AbsoluteUri, ex.Message));
DropSubscriber(subscriber);
}
}
/// <summary>
/// Runs all components in this map.
/// </summary>
/// <param name="loopState">State of the loop.</param>
public override void Run(ParallelLoopState loopState)
{
try
{
Parallel.ForEach <RemotePrintQueueElement>(RemotePrintQueueElements, (h, l) => h.Run(l));
if (!SessionMapElement.AllElementsSetTo <RemotePrintQueueElement>(RemotePrintQueueElements, RuntimeState.Running))
{
loopState.Break();
}
MapElement.UpdateStatus("Running", RuntimeState.Running);
}
catch (AggregateException ex)
{
MapElement.UpdateStatus(RuntimeState.Error, "Run error", ex);
throw;
}
}
/// <summary>
/// Runs all components in this map.
/// </summary>
public override void Run(ParallelLoopState loopState)
{
try
{
Parallel.ForEach <AssetHost>(Hosts, (h, l) => h.Run(l));
if (!SessionMapElement.AllElementsSetTo <AssetHost>(Hosts, RuntimeState.Running))
{
loopState.Break();
}
MapElement.UpdateStatus("Running", RuntimeState.Running);
}
catch (AggregateException ex)
{
// Log the exception at this element level, the throw again to catch it higher
MapElement.UpdateStatus(RuntimeState.Error, "Run error", ex);
throw;
}
}
/// <summary>
/// Shuts down all maps using the specified options
/// </summary>
/// <param name="options">The shutdown options (unused).</param>
/// <param name="loopState">State of the loop.</param>
public override void Shutdown(ShutdownOptions options, ParallelLoopState loopState)
{
try
{
MapElement.UpdateStatus("Shutdown", RuntimeState.ShuttingDown);
Parallel.ForEach <RemotePrintQueueElement>(RemotePrintQueueElements, (h, l) => h.Shutdown(options, l));
if (!SessionMapElement.AllElementsSetTo <RemotePrintQueueElement>(RemotePrintQueueElements, RuntimeState.Offline))
{
loopState.Break();
}
MapElement.UpdateStatus("Offline", RuntimeState.Offline);
}
catch (AggregateException ex)
{
MapElement.UpdateStatus(RuntimeState.Error, "Shutdown error", ex);
throw;
}
}
/// <summary>
/// Turns on all components in this map.
/// </summary>
/// <param name="loopState">State of the loop.</param>
public override void PowerUp(ParallelLoopState loopState)
{
try
{
MapElement.UpdateStatus("Starting", RuntimeState.Starting);
Parallel.ForEach <RemotePrintQueueElement>(RemotePrintQueueElements, (h, l) => h.PowerUp(l));
if (!SessionMapElement.AllElementsSetTo <RemotePrintQueueElement>(RemotePrintQueueElements, RuntimeState.Ready))
{
loopState.Break();
}
MapElement.UpdateStatus("Ready", RuntimeState.Ready);
}
catch (AggregateException ex)
{
MapElement.UpdateStatus(RuntimeState.Error, "Power up error", ex);
throw;
}
}
/// <summary>
/// Turns on all components in this map.
/// </summary>
public override void PowerUp(ParallelLoopState loopState)
{
try
{
TraceFactory.Logger.Debug("Starting...");
MapElement.UpdateStatus("Starting", RuntimeState.Starting);
Parallel.ForEach <AssetHost>(Hosts, (h, l) => h.PowerUp(l));
if (!SessionMapElement.AllElementsSetTo <AssetHost>(Hosts, RuntimeState.Ready))
{
loopState.Break();
}
MapElement.UpdateStatus("Ready", RuntimeState.Ready);
}
catch (AggregateException ex)
{
// Log the exception at this element level, the throw again to catch it higher
MapElement.UpdateStatus(RuntimeState.Error, "Power up error", ex);
throw;
}
}
/// <summary>
/// Shuts down all maps
/// </summary>
public override void Shutdown(ShutdownOptions options, ParallelLoopState loopState)
{
// The shutdown options are not used by the asset map so just ignore them
try
{
MapElement.UpdateStatus("Shutdown", RuntimeState.ShuttingDown);
Parallel.ForEach <AssetHost>(Hosts, (h, l) => h.Shutdown(options, l));
if (!SessionMapElement.AllElementsSetTo <AssetHost>(Hosts, RuntimeState.Offline))
{
loopState.Break();
}
MapElement.UpdateStatus("Offline", RuntimeState.Offline);
}
catch (AggregateException ex)
{
// Log the exception at this element level, the throw again to catch it higher
MapElement.UpdateStatus(RuntimeState.Error, "Shutdown error", ex);
throw;
}
}
/// <summary>
/// Initializes a new instance of the <see cref="ResourceHost" /> class.
/// </summary>
/// <param name="manifest">The manifest.</param>
public ResourceHost(SystemManifest manifest)
{
Manifest = manifest;
// Set the logging thread context
if (manifest != null)
{
TraceFactory.SetThreadContextProperty("SessionId", manifest.SessionId, false);
TraceFactory.SetThreadContextProperty("Dispatcher", manifest.Dispatcher, false);
}
Resources = new Collection <ResourceInstance>();
// Define an empty machine class as simply a placeholder. It will be replaced with an
// actual machine class in the validate step.
Machine = new HostMachine(manifest);
Machine.OnStatusChanged += Machine_OnStatusChanged;
// Create a temporary Id for the map element as it won't be set until the machines are created
MapElement = new SessionMapElement(Guid.NewGuid().ToString(), ElementType.Machine);
MapElement.Enabled = false;
}
/// <summary>
/// Revalidates the state
/// </summary>
/// <param name="loopState"></param>
public override void Revalidate(ParallelLoopState loopState)
{
try
{
MapElement.UpdateStatus("Validating", RuntimeState.Validating);
Parallel.ForEach <AssetHost>(Hosts, (h, l) => h.Revalidate(l)); // Used to call Validate()
if (SessionMapElement.AnyElementsSetTo(Hosts, RuntimeState.Error, RuntimeState.AggregateError))
{
TraceFactory.Logger.Debug("Some elements not validated");
MapElement.UpdateStatus(RuntimeState.AggregateError);
loopState.Break();
return;
}
MapElement.UpdateStatus("Validated", RuntimeState.Validated);
}
catch (AggregateException ex)
{
// Log the exception at this element level, the throw again to catch it higher
MapElement.UpdateStatus(RuntimeState.Error, "Validation error", ex);
throw;
}
}
/// <summary>
/// Initializes all components in this map.
/// </summary>
/// <param name="loopState">State of the loop.</param>
public override void Validate(ParallelLoopState loopState)
{
try
{
MapElement.UpdateStatus("Validating", RuntimeState.Validating);
Parallel.ForEach <RemotePrintQueueElement>(RemotePrintQueueElements, (h, l) => h.Validate(l));
if (SessionMapElement.AnyElementsSetTo(RemotePrintQueueElements, RuntimeState.Error, RuntimeState.AggregateError))
{
TraceFactory.Logger.Error("Some elements not validated");
MapElement.UpdateStatus(RuntimeState.AggregateError);
loopState.Break();
return;
}
MapElement.UpdateStatus("Validated", RuntimeState.Validated);
}
catch (AggregateException ex)
{
MapElement.UpdateStatus(RuntimeState.Error, "Validation error", ex);
throw;
}
}
/// <summary>
/// Initializes a new instance of the <see cref="AssetHost" /> class.
/// </summary>
/// <param name="asset">The asset data.</param>
/// <param name="name">The name of this host.</param>
/// <param name="type">The type of status element.</param>
/// <param name="subtype">The subtype.</param>
public AssetHost(AssetDetail asset, string name, ElementType type, string subtype)
{
Asset = asset;
MapElement = new SessionMapElement(name, type, subtype);
AssetMemoryRetrieved = DateTime.Now.AddDays(-1);
}
/// <summary>
/// Initializes a new instance of the <see cref="SessionMapObject"/> class.
/// </summary>
/// <param name="config">The system manifest information.</param>
/// <param name="type">The type of element, used by the <see cref="SessionMapElement"/>.</param>
public SessionMapObject(SystemManifestAgent config, ElementType type)
{
Configuration = config;
MapElement = new SessionMapElement(type.ToString(), type);
}
/// <summary>
/// Initializes a new instance of the <see cref="SessionMapObject"/> class.
/// </summary>
/// <param name="config">The configuration.</param>
/// <param name="type">The type.</param>
/// <param name="elementName">Name of the element.</param>
public SessionMapObject(SystemManifestAgent config, ElementType type, string elementName)
{
Configuration = config;
MapElement = new SessionMapElement(elementName, type);
}
/// <summary>
/// Initializes a new instance of the <see cref="SessionMapElementEventArgs"/> class.
/// </summary>
/// <param name="mapElement">The element.</param>
public SessionMapElementEventArgs(SessionMapElement mapElement)
{
MapElement = mapElement;
}
