private void AssignmentWidgetInfo()
{
if (WidgetModelEntity == null)
{
DateTypeId = (int)DateTypeEnum.CurrentPeriod;
DataTypeId = (int)BenchmarkTypeEnum.AllProgram;
DisplayType = DisplayTypeList.FirstOrDefault();
}
else
{
WidgetTitle = WidgetModelEntity.Title;
DateTypeId = WidgetModelEntity.DateTypeId;
#region 设置指标
_metricString = WidgetModelEntity.Metrics;
var metricsx = WidgetModelEntity.Metrics.Split(new[] { "," }, StringSplitOptions.RemoveEmptyEntries);
foreach (var metricx in metricsx)
{
var selectedMetricx = MetricsCache.Find(m => m.EnName == metricx && m.SystemTypeId == WidgetModelEntity.SystemTypeId);
if (selectedMetricx != null)
{
_selectedMetrics.Add(selectedMetricx);
}
}
foreach (var metricItems in MetricItemsSource)
{
foreach (var metric in metricItems.Items)
{
if (metricsx.Contains(metric.EnName))
{
metric.IsChecked = true;
}
}
}
#endregion
#region 设置显示类型
//SetDisplayType();
var displayType = DisplayTypeList.FirstOrDefault(d => d.Type == WidgetModelEntity.DisplayType && d.TypeIndex == WidgetModelEntity.DisplayTypeIndex);
DisplayType = displayType;
#endregion
}
}
private static Metric GetOrCreateMetric(
TelemetryClient telemetryClient,
MetricAggregationScope aggregationScope,
string metricId,
string dimension1Name,
string dimension2Name,
IMetricConfiguration metricConfiguration)
{
Util.ValidateNotNull(telemetryClient, nameof(telemetryClient));
MetricManager metricManager = telemetryClient.GetMetricManager(aggregationScope);
MetricsCache cache = metricManager.GetOrCreateExtensionState(MetricsCache.CreateNewInstance);
if (cache == null)
{
throw new InvalidOperationException($"telemetryConfiguration.GetMetricManager().GetOrCreateExtensionState(..) unexpectedly returned null."
+ $" This indicates that multiple extensions attempt to use"
+ $" the \"Cache\" extension point of the {nameof(MetricManager)} in a conflicting manner.");
}
Metric metric = cache.GetOrCreateMetric(metricId, dimension1Name, dimension2Name, metricConfiguration);
return(metric);
}
/// <summary>
/// Initializes the privates and activates them atomically.
/// </summary>
/// <param name="maxDependencyTypesToDiscoverCount">Max number of Dependency Types to discover.</param>
private void ReinitializeMetrics(int maxDependencyTypesToDiscoverCount)
{
MetricManager thisMetricManager = this.metricManager;
if (thisMetricManager == null)
{
MetricsCache newMetrics = new MetricsCache();
newMetrics.MaxDependencyTypesToDiscover = maxDependencyTypesToDiscoverCount;
this.metrics = newMetrics;
return;
}
if (maxDependencyTypesToDiscoverCount == 0)
{
MetricsCache newMetrics = new MetricsCache();
newMetrics.Default = new SucceessAndFailureMetrics(
thisMetricManager.CreateMetric(
MetricTerms.Autocollection.Metric.DependencyCallDuration.Name,
new Dictionary <string, string>()
{
[MetricTerms.Autocollection.DependencyCall.PropertyNames.Success] = Boolean.TrueString, // SUCCESS metric
[MetricTerms.Autocollection.MetricId.Moniker.Key] = MetricTerms.Autocollection.Metric.DependencyCallDuration.Id,
}),
thisMetricManager.CreateMetric(
MetricTerms.Autocollection.Metric.DependencyCallDuration.Name,
new Dictionary <string, string>()
{
[MetricTerms.Autocollection.DependencyCall.PropertyNames.Success] = Boolean.FalseString, // FAILURE metric
[MetricTerms.Autocollection.MetricId.Moniker.Key] = MetricTerms.Autocollection.Metric.DependencyCallDuration.Id,
}));
newMetrics.Unknown = null;
newMetrics.ByType = null;
newMetrics.MaxDependencyTypesToDiscover = maxDependencyTypesToDiscoverCount;
newMetrics.TypeDiscoveryLock = null;
newMetrics.DependencyTypesDiscoveredCount = 0;
this.metrics = newMetrics;
}
else
{
MetricsCache newMetrics = new MetricsCache();
newMetrics.Default = new SucceessAndFailureMetrics(
thisMetricManager.CreateMetric(
MetricTerms.Autocollection.Metric.DependencyCallDuration.Name,
new Dictionary <string, string>()
{
[MetricTerms.Autocollection.DependencyCall.PropertyNames.Success] = Boolean.TrueString, // SUCCESS metric
[MetricTerms.Autocollection.MetricId.Moniker.Key] = MetricTerms.Autocollection.Metric.DependencyCallDuration.Id,
[MetricTerms.Autocollection.DependencyCall.PropertyNames.TypeName] = MetricTerms.Autocollection.DependencyCall.TypeNames.Other,
}),
thisMetricManager.CreateMetric(
MetricTerms.Autocollection.Metric.DependencyCallDuration.Name,
new Dictionary <string, string>()
{
[MetricTerms.Autocollection.DependencyCall.PropertyNames.Success] = Boolean.FalseString, // FAILURE metric
[MetricTerms.Autocollection.MetricId.Moniker.Key] = MetricTerms.Autocollection.Metric.DependencyCallDuration.Id,
[MetricTerms.Autocollection.DependencyCall.PropertyNames.TypeName] = MetricTerms.Autocollection.DependencyCall.TypeNames.Other,
}));
newMetrics.Unknown = new SucceessAndFailureMetrics(
thisMetricManager.CreateMetric(
MetricTerms.Autocollection.Metric.DependencyCallDuration.Name,
new Dictionary <string, string>()
{
[MetricTerms.Autocollection.DependencyCall.PropertyNames.Success] = Boolean.TrueString, // SUCCESS metric
[MetricTerms.Autocollection.MetricId.Moniker.Key] = MetricTerms.Autocollection.Metric.DependencyCallDuration.Id,
[MetricTerms.Autocollection.DependencyCall.PropertyNames.TypeName] = MetricTerms.Autocollection.DependencyCall.TypeNames.Unknown,
}),
thisMetricManager.CreateMetric(
MetricTerms.Autocollection.Metric.DependencyCallDuration.Name,
new Dictionary <string, string>()
{
[MetricTerms.Autocollection.DependencyCall.PropertyNames.Success] = Boolean.FalseString, // FAILURE metric
[MetricTerms.Autocollection.MetricId.Moniker.Key] = MetricTerms.Autocollection.Metric.DependencyCallDuration.Id,
[MetricTerms.Autocollection.DependencyCall.PropertyNames.TypeName] = MetricTerms.Autocollection.DependencyCall.TypeNames.Unknown,
}));
newMetrics.ByType = new ConcurrentDictionary <string, SucceessAndFailureMetrics>();
newMetrics.MaxDependencyTypesToDiscover = maxDependencyTypesToDiscoverCount;
newMetrics.TypeDiscoveryLock = new object();
newMetrics.DependencyTypesDiscoveredCount = 0;
this.metrics = newMetrics;
}
}
/// <summary>
/// Extracts appropriate data points for auto-collected, pre-aggregated metrics from a single <c>DependencyTelemetry</c> item.
/// </summary>
/// <param name="fromItem">The telemetry item from which to extract the metric data points.</param>
/// <param name="isItemProcessed">Whether of not the specified item was processed (aka not ignored) by this extractor.</param>
public void ExtractMetrics(ITelemetry fromItem, out bool isItemProcessed)
{
//// If this item is not a DependencyTelemetry, we will not process it:
DependencyTelemetry dependencyCall = fromItem as DependencyTelemetry;
if (dependencyCall == null)
{
isItemProcessed = false;
return;
}
MetricManager thisMetricManager = this.metricManager;
MetricsCache thisMetrics = this.metrics;
//// If there is no MetricManager, then this extractor has not been properly initialized yet:
if (thisMetricManager == null)
{
//// This will be caught and properly logged by the base class:
throw new InvalidOperationException("Cannot execute ExtractMetrics because this metrics extractor has not been initialized (no metrics manager).");
}
//// Get dependency call success status:
bool dependencyFailed = (dependencyCall.Success != null) && (dependencyCall.Success == false);
//// Now we need to determine which data series to use:
Metric metricToTrack = null;
if (thisMetrics.MaxDependencyTypesToDiscover == 0)
{
//// If auto-discovering dependency types is disabled, just pick series based on success status:
metricToTrack = dependencyFailed
? thisMetrics.Default.Failure
: thisMetrics.Default.Success;
}
else
{
//// Pick series based on dependency type (and success status):
string dependencyType = dependencyCall.Type;
if (dependencyType == null || dependencyType.Equals(string.Empty, StringComparison.OrdinalIgnoreCase))
{
//// If dependency type is not set, we use "Unknown":
metricToTrack = dependencyFailed
? thisMetrics.Unknown.Failure
: thisMetrics.Unknown.Success;
}
else
{
//// See if we have already discovered the current dependency type:
SucceessAndFailureMetrics typeMetrics;
bool previouslyDiscovered = thisMetrics.ByType.TryGetValue(dependencyType, out typeMetrics);
if (previouslyDiscovered)
{
metricToTrack = dependencyFailed
? typeMetrics.Failure
: typeMetrics.Success;
}
else
{
//// We have not seen the current dependency type yet:
if (thisMetrics.ByType.Count >= thisMetrics.MaxDependencyTypesToDiscover)
{
//// If the limit of types to discover is already reached, just use "Other":
metricToTrack = dependencyFailed
? thisMetrics.Default.Failure
: thisMetrics.Default.Success;
}
else
{
//// So we have not yet reached the limit.
//// We will need to take a lock to make sure that the number of discovered types is used correctly as a limit.
//// Note: this is a very rare case. It is expected to occur only MaxDependencyTypesToDiscover times.
//// In case of very high contention, this may happen a little more often,
//// but will no longer happen once the MaxDependencyTypesToDiscover limit is reached.
const string TypeDiscoveryLimitReachedMessage = "Cannot discover more dependency types because the MaxDependencyTypesToDiscover limit"
+ " is reached. This is a control-flow exception that should not propagate outside "
+ "the metric extraction logic.";
try
{
typeMetrics = thisMetrics.ByType.GetOrAdd(
dependencyType,
(depType) =>
{
lock (thisMetrics.TypeDiscoveryLock)
{
if (thisMetrics.DependencyTypesDiscoveredCount >= thisMetrics.MaxDependencyTypesToDiscover)
{
throw new InvalidOperationException(TypeDiscoveryLimitReachedMessage);
}
thisMetrics.DependencyTypesDiscoveredCount++;
return(new SucceessAndFailureMetrics(
thisMetricManager.CreateMetric(
MetricTerms.Autocollection.Metric.DependencyCallDuration.Name,
new Dictionary <string, string>()
{
[MetricTerms.Autocollection.DependencyCall.PropertyNames.Success] = Boolean.TrueString, // SUCCESS metric
[MetricTerms.Autocollection.MetricId.Moniker.Key] = MetricTerms.Autocollection.Metric.DependencyCallDuration.Id,
[MetricTerms.Autocollection.DependencyCall.PropertyNames.TypeName] = depType,
}),
thisMetricManager.CreateMetric(
MetricTerms.Autocollection.Metric.DependencyCallDuration.Name,
new Dictionary <string, string>()
{
[MetricTerms.Autocollection.DependencyCall.PropertyNames.Success] = Boolean.FalseString, // FAILURE metric
[MetricTerms.Autocollection.MetricId.Moniker.Key] = MetricTerms.Autocollection.Metric.DependencyCallDuration.Id,
[MetricTerms.Autocollection.DependencyCall.PropertyNames.TypeName] = depType,
})));
}
});
}
catch (InvalidOperationException ex)
{
if (!ex.Message.Equals(TypeDiscoveryLimitReachedMessage, StringComparison.Ordinal))
{
#if NET40
throw;
#else
ExceptionDispatchInfo.Capture(ex).Throw();
#endif
}
//// Limit was reached concurrently. We will use "Other" after all:
metricToTrack = dependencyFailed
? thisMetrics.Default.Failure
: thisMetrics.Default.Success;
}
//// Use the newly created metric for this newly discovered dependency type:
metricToTrack = dependencyFailed
? typeMetrics.Failure
: typeMetrics.Success;
}
} // else OF if (previouslyDiscovered)
}
}
//// Now that we selected the right metric, track the value:
isItemProcessed = true;
metricToTrack.Track(dependencyCall.Duration.TotalMilliseconds);
}
