ListenerPerfCounters.cs source code in C# .NET

                        Code:
                         / WCF / WCF / 3.5.30729.1 / untmp / Orcas / SP / ndp / cdf / src / WCF / SMSvcHost / System / ServiceModel / Activation / Diagnostics / ListenerPerfCounters.cs / 1 / ListenerPerfCounters.cs
                        
                        
                            //------------------------------------------------------------------------------ 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//-----------------------------------------------------------------------------

namespace System.ServiceModel.Activation.Diagnostics 
{
    using System; 
    using System.Collections.Generic; 
    using System.Diagnostics;
    using System.ServiceModel.Diagnostics; 
    using System.Runtime.InteropServices;
    using System.ServiceModel.Activation.Configuration;

    static class ListenerPerfCounters 
    {
        static readonly string CategoryName = PerformanceCounterStrings.SMSVCHOST.SMSvcHostPerfCounters; 
        static PerformanceCounter perfCounterConnectionsAcceptedNamedPipe; 
        static PerformanceCounter perfCounterConnectionsAcceptedTcp;
        static PerformanceCounter perfCounterDispatchFailuresNamedPipe; 
        static PerformanceCounter perfCounterDispatchFailuresTcp;
        static PerformanceCounter perfCounterProtocolFailuresNamedPipe;
        static PerformanceCounter perfCounterProtocolFailuresTcp;
        static PerformanceCounter perfCounterUrisRegisteredNamedPipe; 
        static PerformanceCounter perfCounterUrisRegisteredTcp;
        static PerformanceCounter perfCounterRegistrationsActiveNamedPipe; 
        static PerformanceCounter perfCounterRegistrationsActiveTcp; 
        static PerformanceCounter perfCounterConnectionsDispatchedNamedPipe;
        static PerformanceCounter perfCounterConnectionsDispatchedTcp; 
        static PerformanceCounter perfCounterUrisUnregisteredNamedPipe;
        static PerformanceCounter perfCounterUrisUnregisteredTcp;
        static List perfList;
        static object syncObject = new object(); 

        static ListenerPerfCounters() 
        { 
            if (ListenerConfig.PerformanceCountersEnabled)
            { 
                ListenerPerfCounters.AddCounterToList(perfCounterConnectionsDispatchedTcp = ListenerPerfCounters.GetListenerPerformanceCounter(CategoryName, PerformanceCounterStrings.SMSVCHOST.ConnectionsDispatchedTcp, string.Empty, PerformanceCounterInstanceLifetime.Global));
                ListenerPerfCounters.AddCounterToList(perfCounterConnectionsDispatchedNamedPipe = ListenerPerfCounters.GetListenerPerformanceCounter(CategoryName, PerformanceCounterStrings.SMSVCHOST.ConnectionsDispatchedNamedPipe, string.Empty, PerformanceCounterInstanceLifetime.Global));
                ListenerPerfCounters.AddCounterToList(perfCounterDispatchFailuresTcp = ListenerPerfCounters.GetListenerPerformanceCounter(CategoryName, PerformanceCounterStrings.SMSVCHOST.DispatchFailuresTcp, string.Empty, PerformanceCounterInstanceLifetime.Global));
                ListenerPerfCounters.AddCounterToList(perfCounterDispatchFailuresNamedPipe = ListenerPerfCounters.GetListenerPerformanceCounter(CategoryName, PerformanceCounterStrings.SMSVCHOST.DispatchFailuresNamedPipe, string.Empty, PerformanceCounterInstanceLifetime.Global)); 
                ListenerPerfCounters.AddCounterToList(perfCounterUrisRegisteredTcp = ListenerPerfCounters.GetListenerPerformanceCounter(CategoryName, PerformanceCounterStrings.SMSVCHOST.UrisRegisteredTcp, string.Empty, PerformanceCounterInstanceLifetime.Global));
                ListenerPerfCounters.AddCounterToList(perfCounterUrisRegisteredNamedPipe = ListenerPerfCounters.GetListenerPerformanceCounter(CategoryName, PerformanceCounterStrings.SMSVCHOST.UrisRegisteredNamedPipe, string.Empty, PerformanceCounterInstanceLifetime.Global)); 
                ListenerPerfCounters.AddCounterToList(perfCounterUrisUnregisteredTcp = ListenerPerfCounters.GetListenerPerformanceCounter(CategoryName, PerformanceCounterStrings.SMSVCHOST.UrisUnregisteredTcp, string.Empty, PerformanceCounterInstanceLifetime.Global)); 
                ListenerPerfCounters.AddCounterToList(perfCounterUrisUnregisteredNamedPipe = ListenerPerfCounters.GetListenerPerformanceCounter(CategoryName, PerformanceCounterStrings.SMSVCHOST.UrisUnregisteredNamedPipe, string.Empty, PerformanceCounterInstanceLifetime.Global));
                ListenerPerfCounters.AddCounterToList(perfCounterRegistrationsActiveTcp = ListenerPerfCounters.GetListenerPerformanceCounter(CategoryName, PerformanceCounterStrings.SMSVCHOST.RegistrationsActiveTcp, string.Empty, PerformanceCounterInstanceLifetime.Global)); 
                ListenerPerfCounters.AddCounterToList(perfCounterRegistrationsActiveNamedPipe = ListenerPerfCounters.GetListenerPerformanceCounter(CategoryName, PerformanceCounterStrings.SMSVCHOST.RegistrationsActiveNamedPipe, string.Empty, PerformanceCounterInstanceLifetime.Global));
                ListenerPerfCounters.AddCounterToList(perfCounterConnectionsAcceptedTcp = ListenerPerfCounters.GetListenerPerformanceCounter(CategoryName, PerformanceCounterStrings.SMSVCHOST.ConnectionsAcceptedTcp, string.Empty, PerformanceCounterInstanceLifetime.Global));
                ListenerPerfCounters.AddCounterToList(perfCounterConnectionsAcceptedNamedPipe = ListenerPerfCounters.GetListenerPerformanceCounter(CategoryName, PerformanceCounterStrings.SMSVCHOST.ConnectionsAcceptedNamedPipe, string.Empty, PerformanceCounterInstanceLifetime.Global));
                ListenerPerfCounters.AddCounterToList(perfCounterProtocolFailuresTcp = ListenerPerfCounters.GetListenerPerformanceCounter(CategoryName, PerformanceCounterStrings.SMSVCHOST.ProtocolFailuresTcp, string.Empty, PerformanceCounterInstanceLifetime.Global)); 
                ListenerPerfCounters.AddCounterToList(perfCounterProtocolFailuresNamedPipe = ListenerPerfCounters.GetListenerPerformanceCounter(CategoryName, PerformanceCounterStrings.SMSVCHOST.ProtocolFailuresNamedPipe, string.Empty, PerformanceCounterInstanceLifetime.Global));
 
                AppDomain.CurrentDomain.UnhandledException += new UnhandledExceptionEventHandler(ListenerPerfCounters.ExitOrUnloadEventHandler); 
                AppDomain.CurrentDomain.DomainUnload += new EventHandler(ListenerPerfCounters.ExitOrUnloadEventHandler);
                AppDomain.CurrentDomain.ProcessExit += new EventHandler(ListenerPerfCounters.ExitOrUnloadEventHandler); 
            }
        }

        static PerformanceCounter GetListenerPerformanceCounter(string categoryName, string perfCounterName, string instanceName, PerformanceCounterInstanceLifetime instanceLifetime) 
        {
            return PerformanceCounters.GetPerformanceCounterInternal(categoryName, perfCounterName, instanceName, instanceLifetime); 
        } 

        static void AddCounterToList(PerformanceCounter counter) 
        {
            if (counter != null)
            {
                ListenerPerfCounters.PerformanceList.Add(counter); 
            }
        } 
 
        static List PerformanceList
        { 
            get
            {
                if (ListenerPerfCounters.perfList == null)
                { 
                    lock (ListenerPerfCounters.syncObject)
                    { 
                        if (ListenerPerfCounters.perfList == null) 
                        {
                            ListenerPerfCounters.perfList = new List(); 
                        }
                    }
                }
 
                return ListenerPerfCounters.perfList;
            } 
        } 

 
        internal static void DecrementRegistrationsActiveNamedPipe()
        {
            ListenerPerfCounters.DecrementCounter(ref perfCounterRegistrationsActiveNamedPipe);
        } 

        internal static void DecrementRegistrationsActiveTcp() 
        { 
            ListenerPerfCounters.DecrementCounter(ref perfCounterRegistrationsActiveTcp);
        } 

        internal static void IncrementConnectionsAcceptedNamedPipe()
        {
            ListenerPerfCounters.IncrementCounter(ref perfCounterConnectionsAcceptedNamedPipe); 
        }
 
        internal static void IncrementConnectionsAcceptedTcp() 
        {
            ListenerPerfCounters.IncrementCounter(ref perfCounterConnectionsAcceptedTcp); 
        }

        internal static void IncrementDispatchFailuresNamedPipe()
        { 
            ListenerPerfCounters.IncrementCounter(ref perfCounterDispatchFailuresNamedPipe);
        } 
 
        internal static void IncrementDispatchFailuresTcp()
        { 
            ListenerPerfCounters.IncrementCounter(ref perfCounterDispatchFailuresTcp);
        }

        internal static void IncrementProtocolFailuresNamedPipe() 
        {
            ListenerPerfCounters.IncrementCounter(ref perfCounterProtocolFailuresNamedPipe); 
        } 
        internal static void IncrementProtocolFailuresTcp()
        { 
            ListenerPerfCounters.IncrementCounter(ref perfCounterProtocolFailuresTcp);
        }

        internal static void IncrementUrisRegisteredNamedPipe() 
        {
            ListenerPerfCounters.IncrementCounter(ref perfCounterUrisRegisteredNamedPipe); 
        } 

        internal static void IncrementUrisRegisteredTcp() 
        {
            ListenerPerfCounters.IncrementCounter(ref perfCounterUrisRegisteredTcp);
        }
 
        internal static void IncrementRegistrationsActiveNamedPipe()
        { 
            ListenerPerfCounters.IncrementCounter(ref perfCounterRegistrationsActiveNamedPipe); 
        }
 
        internal static void IncrementRegistrationsActiveTcp()
        {
            ListenerPerfCounters.IncrementCounter(ref perfCounterRegistrationsActiveTcp);
        } 

        internal static void IncrementConnectionsDispatchedNamedPipe() 
        { 
            ListenerPerfCounters.IncrementCounter(ref perfCounterConnectionsDispatchedNamedPipe);
        } 

        internal static void IncrementConnectionsDispatchedTcp()
        {
            ListenerPerfCounters.IncrementCounter(ref perfCounterConnectionsDispatchedTcp); 
        }
 
        internal static void IncrementUrisUnregisteredNamedPipe() 
        {
            ListenerPerfCounters.IncrementCounter(ref perfCounterUrisUnregisteredNamedPipe); 
        }

        internal static void IncrementUrisUnregisteredTcp()
        { 
            ListenerPerfCounters.IncrementCounter(ref perfCounterUrisUnregisteredTcp);
        } 
 
        static void IncrementCounter(ref PerformanceCounter counter)
        { 
            if (counter != null)
            {
                try
                { 
                    counter.Increment();
                } 
#pragma warning suppress 56500 // covered by FxCOP 
                catch (Exception exception)
                { 
                    if (DiagnosticUtility.IsFatal(exception))
                    {
                        throw;
                    } 

                    ListenerPerfCounters.TracePerformanceCounterUpdateFailure(counter.InstanceName, counter.CounterName); 
                    counter = null; 
                }
            } 
        }

        static void DecrementCounter(ref PerformanceCounter counter)
        { 
            if (counter != null)
            { 
                try 
                {
                    counter.Decrement(); 
                }
#pragma warning suppress 56500 // covered by FxCOP
                catch (Exception exception)
                { 
                    if (DiagnosticUtility.IsFatal(exception))
                    { 
                        throw; 
                    }
 
                    ListenerPerfCounters.TracePerformanceCounterUpdateFailure(counter.InstanceName, counter.CounterName);
                    counter = null;
                }
            } 
        }
 
        static internal void TracePerformanceCounterUpdateFailure(string instanceName, string perfCounterName) 
        {
            if (DiagnosticUtility.ShouldTraceError) 
            {
                DiagnosticUtility.DiagnosticTrace.TraceEvent(
                    System.Diagnostics.TraceEventType.Error,
                    TraceCode.PerformanceCountersFailedDuringUpdate, 
                    SR.GetString(System.ServiceModel.SR.TraceCodePerformanceCountersFailedDuringUpdate,
                        perfCounterName + "::" + instanceName)); 
            } 
        }
 
        static void ExitOrUnloadEventHandler(object sender, EventArgs e)
        {
            List countersToRemove = null;
 
            if (ListenerPerfCounters.perfList != null)
            { 
                lock (syncObject) 
                {
                    if (ListenerPerfCounters.perfList != null) 
                    {
                        countersToRemove = ListenerPerfCounters.perfList;
                        ListenerPerfCounters.perfList = null;
                    } 
                }
            } 
 
            if (null != countersToRemove)
            { 
                foreach (PerformanceCounter counter in countersToRemove)
                {
                    string counterName = counter.CounterName;
                    string categoryName = counter.CategoryName; 
                    string instanceName = counter.InstanceName;
 
                    try 
                    {
                        counter.RemoveInstance(); 
                    }
#pragma warning suppress 56500 // covered by FxCOP
                    catch (Exception exception)
                    { 
                        if (DiagnosticUtility.IsFatal(exception))
                        { 
                            throw; 
                        }
 
                        ListenerTraceUtility.EventLog.LogEvent(
                            TraceEventType.Error,
                            EventLogCategory.PerformanceCounter,
                            EventLogEventId.FailedToRemovePerformanceCounter, 
                            false,
                            categoryName, 
                            counterName, 
                            instanceName,
                            exception.ToString()); 
                    }
                }
            }
 
        }
 
    } 
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
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ListenerPerfCounters.cs source code in C# .NET

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