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//------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//------------------------------------------------------------
namespace System.ServiceModel.Diagnostics
{
using System.Diagnostics;
using System.Runtime;
sealed class OperationPerformanceCounters : OperationPerformanceCountersBase
{
internal PerformanceCounter[] Counters { get; set; }
internal OperationPerformanceCounters(string service, string contract, string operationName, string uri)
: base(service, contract, operationName, uri)
{
this.Counters = new PerformanceCounter[(int)PerfCounters.TotalCounters];
for (int i = 0; i < (int)PerfCounters.TotalCounters; i++)
{
PerformanceCounter counter = PerformanceCounters.GetOperationPerformanceCounter(perfCounterNames[i], this.instanceName);
if (counter != null)
{
try
{
counter.RawValue = 0;
this.Counters[i] = counter;
}
#pragma warning suppress 56500 // covered by FxCOP
catch (Exception e)
{
if (Fx.IsFatal(e))
{
throw;
}
if (DiagnosticUtility.ShouldTraceError)
{
TraceUtility.TraceEvent(TraceEventType.Error, TraceCode.PerformanceCounterFailedToLoad,
SR.GetString(SR.TraceCodePerformanceCounterFailedToLoad), null, e);
}
break;
}
}
else
{
break;
}
}
}
void Increment(int counter)
{
this.Increment(this.Counters, counter);
}
void IncrementBy(int counter, long time)
{
this.IncrementBy(this.Counters, counter, time);
}
void Decrement(int counter)
{
this.Decrement(this.Counters, counter);
}
internal override void MethodCalled()
{
Increment((int)PerfCounters.Calls);
Increment((int)PerfCounters.CallsPerSecond);
Increment((int)PerfCounters.CallsOutstanding);
}
internal override void MethodReturnedSuccess()
{
Decrement((int)PerfCounters.CallsOutstanding);
}
internal override void MethodReturnedError()
{
Increment((int)PerfCounters.CallsFailed);
Increment((int)PerfCounters.CallsFailedPerSecond);
Decrement((int)PerfCounters.CallsOutstanding);
}
internal override void MethodReturnedFault()
{
Increment((int)PerfCounters.CallsFaulted);
Increment((int)PerfCounters.CallsFaultedPerSecond);
Decrement((int)PerfCounters.CallsOutstanding);
}
internal override void SaveCallDuration(long time)
{
IncrementBy((int)PerfCounters.CallDuration, time);
Increment((int)PerfCounters.CallDurationBase);
}
internal override void AuthenticationFailed()
{
Increment((int)PerfCounters.SecurityValidationAuthenticationFailures);
Increment((int)PerfCounters.SecurityValidationAuthenticationFailuresPerSecond);
}
internal override void AuthorizationFailed()
{
Increment((int)PerfCounters.CallsNotAuthorized);
Increment((int)PerfCounters.CallsNotAuthorizedPerSecond);
}
internal override void TxFlowed()
{
Increment((int)PerfCounters.TxFlowed);
Increment((int)PerfCounters.TxFlowedPerSecond);
}
internal override bool Initialized
{
get { return this.Counters != null; }
}
protected override void Dispose(bool disposing)
{
try
{
if (disposing)
{
if (PerformanceCounters.PerformanceCountersEnabled)
{
if (null != this.Counters)
{
for (int ctr = this.PerfCounterStart; ctr < this.PerfCounterEnd; ++ctr)
{
PerformanceCounter counter = this.Counters[ctr];
if (counter != null)
{
PerformanceCounters.ReleasePerformanceCounter(ref counter);
}
this.Counters[ctr] = null;
}
this.Counters = null;
}
}
}
}
finally
{
base.Dispose(disposing);
}
}
}
}
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