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//------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//------------------------------------------------------------
namespace System.ServiceModel.Diagnostics
{
using System.Collections.Generic;
using System.Diagnostics.PerformanceData;
using System.Runtime;
using System.Security;
using System.ServiceModel;
using System.ServiceModel.Administration;
sealed class OperationPerformanceCountersV2 : OperationPerformanceCountersBase
{
static object syncRoot = new object();
static Guid serviceModelProviderId = new Guid("{890c10c3-8c2a-4fe3-a36a-9eca153d47cb}");
static Guid operationCounterSetId = new Guid("{8ebb0470-da6d-485b-8441-8e06b049157a}");
private static readonly CounterSetInstanceCache counterSetInstanceCache = new CounterSetInstanceCache();
// Double-checked locking pattern requires volatile for read/write synchronization
static volatile CounterSet operationCounterSet; // Defines the counter set
CounterSetInstance operationCounterSetInstance; // Instance of the counter set
CounterData[] counters;
internal OperationPerformanceCountersV2(string service, string contract, string operationName, string uri)
: base(service, contract, operationName, uri)
{
EnsureCounterSet();
// Create an instance of the counter set (contains the counter data).
this.operationCounterSetInstance = CreateCounterSetInstance(this.InstanceName);
this.counters = new CounterData[(int)PerfCounters.TotalCounters]; // Cache to dodge dictionary lookups in ServiceModelInstance
for (int i = 0; i < (int)PerfCounters.TotalCounters; i++)
{
this.counters[i] = this.operationCounterSetInstance.Counters[i];
this.counters[i].Value = 0;
}
}
internal static void EnsureCounterSet()
{
if (operationCounterSet == null)
{
lock (syncRoot)
{
if (operationCounterSet == null)
{
CounterSet localCounterSet = CreateCounterSet();
// Add the counters to the counter set definition.
localCounterSet.AddCounter((int)PerfCounters.Calls, CounterType.RawData32, perfCounterNames[(int)PerfCounters.Calls]);
localCounterSet.AddCounter((int)PerfCounters.CallsPerSecond, CounterType.RateOfCountPerSecond32, perfCounterNames[(int)PerfCounters.CallsPerSecond]);
localCounterSet.AddCounter((int)PerfCounters.CallsOutstanding, CounterType.RawData32, perfCounterNames[(int)PerfCounters.CallsOutstanding]);
localCounterSet.AddCounter((int)PerfCounters.CallsFailed, CounterType.RawData32, perfCounterNames[(int)PerfCounters.CallsFailed]);
localCounterSet.AddCounter((int)PerfCounters.CallsFailedPerSecond, CounterType.RateOfCountPerSecond32, perfCounterNames[(int)PerfCounters.CallsFailedPerSecond]);
localCounterSet.AddCounter((int)PerfCounters.CallsFaulted, CounterType.RawData32, perfCounterNames[(int)PerfCounters.CallsFaulted]);
localCounterSet.AddCounter((int)PerfCounters.CallsFaultedPerSecond, CounterType.RateOfCountPerSecond32, perfCounterNames[(int)PerfCounters.CallsFaultedPerSecond]);
localCounterSet.AddCounter((int)PerfCounters.CallDurationBase, CounterType.AverageBase, perfCounterNames[(int)PerfCounters.CallDurationBase]);
localCounterSet.AddCounter((int)PerfCounters.CallDuration, CounterType.AverageTimer32, perfCounterNames[(int)PerfCounters.CallDuration]);
localCounterSet.AddCounter((int)PerfCounters.SecurityValidationAuthenticationFailures, CounterType.RawData32, perfCounterNames[(int)PerfCounters.SecurityValidationAuthenticationFailures]);
localCounterSet.AddCounter((int)PerfCounters.SecurityValidationAuthenticationFailuresPerSecond, CounterType.RateOfCountPerSecond32, perfCounterNames[(int)PerfCounters.SecurityValidationAuthenticationFailuresPerSecond]);
localCounterSet.AddCounter((int)PerfCounters.CallsNotAuthorized, CounterType.RawData32, perfCounterNames[(int)PerfCounters.CallsNotAuthorized]);
localCounterSet.AddCounter((int)PerfCounters.CallsNotAuthorizedPerSecond, CounterType.RateOfCountPerSecond32, perfCounterNames[(int)PerfCounters.CallsNotAuthorizedPerSecond]);
localCounterSet.AddCounter((int)PerfCounters.TxFlowed, CounterType.RawData32, perfCounterNames[(int)PerfCounters.TxFlowed]);
localCounterSet.AddCounter((int)PerfCounters.TxFlowedPerSecond, CounterType.RateOfCountPerSecond32, perfCounterNames[(int)PerfCounters.TxFlowedPerSecond]);
operationCounterSet = localCounterSet;
}
}
}
}
[Fx.Tag.SecurityNote(Critical = "Calls into Sys.Diag.PerformanceData.CounterSet..ctor marked as SecurityCritical", Safe = "No user provided data is passed to the call")]
[SecuritySafeCritical]
static CounterSet CreateCounterSet()
{
return new CounterSet(serviceModelProviderId, operationCounterSetId, CounterSetInstanceType.Multiple);
}
[Fx.Tag.SecurityNote(Critical = "Calls into Sys.Diag.PerformanceData.CounterSetInstance.CreateCounterSetInstance marked as SecurityCritical", Safe = "No user provided data is passed to the call, instance name parameter is generated by Sys.ServiceModel.Diagnostics code from service description")]
[SecuritySafeCritical]
static CounterSetInstance CreateCounterSetInstance(string name)
{
return counterSetInstanceCache.Get(name) ?? operationCounterSet.CreateCounterSetInstance(name);
}
internal override void MethodCalled()
{
this.counters[(int)PerfCounters.Calls].Increment();
this.counters[(int)PerfCounters.CallsPerSecond].Increment();
this.counters[(int)PerfCounters.CallsOutstanding].Increment();
}
internal override void MethodReturnedSuccess()
{
this.counters[(int)PerfCounters.CallsOutstanding].Decrement();
}
internal override void MethodReturnedError()
{
this.counters[(int)PerfCounters.CallsFailed].Increment();
this.counters[(int)PerfCounters.CallsFailedPerSecond].Increment();
this.counters[(int)PerfCounters.CallsOutstanding].Decrement();
}
internal override void MethodReturnedFault()
{
this.counters[(int)PerfCounters.CallsFaulted].Increment();
this.counters[(int)PerfCounters.CallsFaultedPerSecond].Increment();
this.counters[(int)PerfCounters.CallsOutstanding].Decrement();
}
internal override void SaveCallDuration(long time)
{
this.counters[(int)PerfCounters.CallDuration].IncrementBy(time);
this.counters[(int)PerfCounters.CallDurationBase].Increment();
}
internal override void AuthenticationFailed()
{
this.counters[(int)PerfCounters.SecurityValidationAuthenticationFailures].Increment();
this.counters[(int)PerfCounters.SecurityValidationAuthenticationFailuresPerSecond].Increment();
}
internal override void AuthorizationFailed()
{
this.counters[(int)PerfCounters.CallsNotAuthorized].Increment();
this.counters[(int)PerfCounters.CallsNotAuthorizedPerSecond].Increment();
}
internal override void TxFlowed()
{
this.counters[(int)PerfCounters.TxFlowed].Increment();
this.counters[(int)PerfCounters.TxFlowedPerSecond].Increment();
}
internal override bool Initialized
{
get { return this.operationCounterSetInstance != null; }
}
// Immediately disposes and nulls the CounterSetInstance. This differs from Dispose because Dispose is "lazy" in that
// it holds weak references to the instances so we don't get corrupted state if the values are updated later. This
// method is used in situations when we need to delete the instance immediately and know the values won't be updated.
internal void DeleteInstance()
{
if (this.operationCounterSetInstance != null)
{
this.operationCounterSetInstance.Dispose();
this.operationCounterSetInstance = null;
}
}
protected override void Dispose(bool disposing)
{
try
{
if (disposing && PerformanceCounters.PerformanceCountersEnabled && this.operationCounterSetInstance != null)
{
counterSetInstanceCache.Add(this.InstanceName, this.operationCounterSetInstance);
}
}
finally
{
// Not really necessary as base.Dispose(bool) does nothing
// But forced to leave this with try/finally by unability to suspend FxCop 1.35 warning
base.Dispose(disposing);
}
}
internal static void CleanupCache()
{
counterSetInstanceCache.Cleanup();
}
}
}
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