CodeTimerPerformance EasyPerformanceCounterHelper .NET 4.5

时间:2023-03-08 16:34:40


//#define NET35
namespace TestConsoleApplication
{
using System;
using System.Diagnostics;
using System.Threading;
using System.Threading.Tasks;
using Microshaoft;
class Program
{
static void Main(string[] args)
{
Console.WriteLine("Begin ...");
Random r = new Random();
int sleep = 100;
int iterations = 2000;
int maxDegreeOfParallelism = 8; // Environment.ProcessorCount;
var performanceCountersCategoryName = "Microshaoft EasyPerformanceCounters Category";
var performanceCountersCategoryInstanceName = string.Format
(
"{2}{0}{3}{1}{4}"
, ": "
, " @ "
, ""
, ""
, Process.GetCurrentProcess().ProcessName
);
//EasyPerformanceCountersHelper 调用示例
//调用 EasyPerformanceCountersHelper.AttachPerformanceCountersCategoryInstance 可加载性能计数器
EasyPerformanceCountersHelper.AttachPerformanceCountersCategoryInstance
(
performanceCountersCategoryName
, performanceCountersCategoryInstanceName + "-1"
);
var enableCounters = MultiPerformanceCountersTypeFlags.ProcessCounter
| MultiPerformanceCountersTypeFlags.ProcessedAverageTimerCounter
| MultiPerformanceCountersTypeFlags.ProcessedCounter
| MultiPerformanceCountersTypeFlags.ProcessedRateOfCountsPerSecondCounter
| MultiPerformanceCountersTypeFlags.ProcessingCounter;
//EasyPerformanceCountersHelper 可以直接使用 比如 用于 ASP.NET page_load 程序中代码中
EasyPerformanceCountersHelper.CountPerformance
(
enableCounters
, performanceCountersCategoryName
, performanceCountersCategoryInstanceName + "-1"
, null
, () =>
{
//需要性能计数器的代码段
//begin ==============================================
var x = r.Next(0, 10) * sleep;
Thread.Sleep(x);
//end ================================================
}
, null
);
Parallel.For
(
0
, 99
, (x) =>
{
Stopwatch stopwatch =
EasyPerformanceCountersHelper.CountPerformanceBegin
(
enableCounters
, performanceCountersCategoryName
, performanceCountersCategoryInstanceName + "-1"
);
//需要性能计数器的代码段
//begin ==============================================
var xx = r.Next(0, 10) * sleep;
Thread.Sleep(xx);
//end ================================================
if (stopwatch != null)
{
EasyPerformanceCountersHelper.CountPerformanceEnd
(
enableCounters
, performanceCountersCategoryName
, performanceCountersCategoryInstanceName + "-1"
, stopwatch
);
stopwatch = null;
}
}
);
//CodeTimerPerformance 调用示例
//CodeTimerPerformance.AttachPerformanceCountersCategoryInstance 可加载性能计数器
CodeTimerPerformance.AttachPerformanceCountersCategoryInstance
(
performanceCountersCategoryName
, performanceCountersCategoryInstanceName + "-2"
);
enableCounters =
MultiPerformanceCountersTypeFlags.ProcessCounter
| MultiPerformanceCountersTypeFlags.ProcessingCounter
| MultiPerformanceCountersTypeFlags.ProcessedCounter
| MultiPerformanceCountersTypeFlags.ProcessedAverageTimerCounter
| MultiPerformanceCountersTypeFlags.ProcessedRateOfCountsPerSecondCounter;
//enableCounters = MultiPerformanceCountersTypeFlags.None;
CodeTimerPerformance.ParallelTime
(
"ParallelTime1"
, iterations
, () =>
{
//需要性能计数器的代码段
//begin ==============================================
var x = r.Next(0, 10) * sleep;
Thread.Sleep(x);
//end ================================================
}
, maxDegreeOfParallelism
, enableCounters
, performanceCountersCategoryName
, performanceCountersCategoryInstanceName + "-1"
);
CodeTimerPerformance.Time
(
"Time2"
, iterations
, () =>
{
//需要性能计数器的代码段
//begin ==============================================
var x = r.Next(0, 10) * sleep;
Thread.Sleep(x);
//end ================================================
}
//, maxDegreeOfParallelism
, enableCounters
, performanceCountersCategoryName
, performanceCountersCategoryInstanceName + "-2"
);
Console.WriteLine("End ...");
Console.ReadLine();
}
}
}
namespace Microshaoft
{
using System;
using System.Diagnostics;
using System.Runtime.InteropServices;
using System.Threading;
using System.Threading.Tasks;
public static class CodeTimerPerformance
{
public static void Initialize()
{
Process.GetCurrentProcess().PriorityClass = ProcessPriorityClass.High;
Thread.CurrentThread.Priority = ThreadPriority.Highest;
Time("", 1, () => { }, MultiPerformanceCountersTypeFlags.None, string.Empty, string.Empty);
}
public static void AttachPerformanceCountersCategoryInstance
(
string performanceCountersCategoryName
, string performanceCountersCategoryInstanceName
)
{
EasyPerformanceCountersHelper.AttachPerformanceCountersCategoryInstance
(
performanceCountersCategoryName
, performanceCountersCategoryInstanceName
);
}
public static void ParallelTime
(
string name
, int iterations
, Action actionOnce
, int maxDegreeOfParallelism //= 1
, MultiPerformanceCountersTypeFlags enablePerformanceCounters //= false
, string performanceCountersCategoryName
, string performanceCountersCategoryInstanceName
)
{
// 1.
ConsoleColor currentForeColor = Console.ForegroundColor;
Console.ForegroundColor = ConsoleColor.Yellow;
Console.WriteLine(name);
// 2.
GC.Collect(GC.MaxGeneration, GCCollectionMode.Forced);
int[] gcCounts = new int[GC.MaxGeneration + 1];
for (int i = 0; i <= GC.MaxGeneration; i++)
{
gcCounts[i] = GC.CollectionCount(i);
}
IntPtr threadID = GetCurrentThreadId();
Stopwatch watch = Stopwatch.StartNew();
ulong cycleCount = GetCurrentThreadCycleCount();
Parallel.For
(
0
, iterations
, new ParallelOptions()
{
MaxDegreeOfParallelism = maxDegreeOfParallelism
//, TaskScheduler = null
}
, (x) =>
{
EasyPerformanceCountersHelper.CountPerformance
(
enablePerformanceCounters
, performanceCountersCategoryName
, performanceCountersCategoryInstanceName
, null
, actionOnce
, null
);
}
);
ulong cpuCycles = GetCurrentThreadCycleCount() - cycleCount;
watch.Stop();
//watch = null;
// 4.
Console.ForegroundColor = currentForeColor;
Console.WriteLine
(
"{0}Time Elapsed:{0}{1}ms"
, "\t"
, watch.ElapsedMilliseconds.ToString("N0")
);
Console.WriteLine
(
"{0}CPU Cycles:{0}{1}"
, "\t"
, cpuCycles.ToString("N0")
);
// 5.
for (int i = 0; i <= GC.MaxGeneration; i++)
{
int count = GC.CollectionCount(i) - gcCounts[i];
Console.WriteLine
(
"{0}Gen{1}:{0}{0}{2}"
, "\t"
, i
, count
);
}
Console.WriteLine();
}
public static void Time
(
string name
, int iterations
, Action actionOnce
, MultiPerformanceCountersTypeFlags enablePerformanceCounters //= false
, string performanceCountersCategoryName
, string performanceCountersCategoryInstanceName
)
{
ParallelTime
(
name
, iterations
, actionOnce
, 1
, enablePerformanceCounters
, performanceCountersCategoryName
, performanceCountersCategoryInstanceName
);
}
private static ulong GetThreadCycleCount(IntPtr threadID)
{
ulong cycleCount = 0;
QueryThreadCycleTime(threadID, ref cycleCount);
return cycleCount;
}
private static ulong GetCurrentThreadCycleCount()
{
IntPtr threadID = GetCurrentThread();
return GetThreadCycleCount(threadID);
}
[DllImport("kernel32.dll")]
[return: MarshalAs(UnmanagedType.Bool)]
static extern bool QueryThreadCycleTime(IntPtr threadHandle, ref ulong cycleTime);
[DllImport("kernel32.dll")]
static extern IntPtr GetCurrentThread();
[DllImport("kernel32.dll")]
static extern IntPtr GetCurrentThreadId();
}
}
namespace Microshaoft
{
using System;
using System.Collections.Generic;
using System.Diagnostics;
//using System.Collections.Concurrent;
public static class EasyPerformanceCountersHelper
{
private static Dictionary<string, CommonPerformanceCountersContainer> _dictionary = new Dictionary<string, CommonPerformanceCountersContainer>();
public static void AttachPerformanceCountersCategoryInstance
(
string performanceCountersCategoryName
, string performanceCountersCategoryInstanceName
)
{
string key = string.Format
(
"{1}{0}{2}"
, "-"
, performanceCountersCategoryName
, performanceCountersCategoryInstanceName
);
CommonPerformanceCountersContainer container = null;
if (!_dictionary.TryGetValue(key, out container))
{
container = new CommonPerformanceCountersContainer();
_dictionary.Add
(
key
, container //new CommonPerformanceCountersContainer()
);
container.AttachPerformanceCountersToProperties(performanceCountersCategoryInstanceName, performanceCountersCategoryName);
}
}
private static object _lockerObject = new object();
public static Stopwatch CountPerformanceBegin
(
MultiPerformanceCountersTypeFlags enabledPerformanceCounters
, string performanceCountersCategoryName
, string performanceCountersCategoryInstanceName
)
{
Stopwatch r = null;
if (enabledPerformanceCounters != MultiPerformanceCountersTypeFlags.None)
{
string key = string.Format
(
"{1}{0}{2}"
, "-"
, performanceCountersCategoryName
, performanceCountersCategoryInstanceName
);
CommonPerformanceCountersContainer container = null;
if (!_dictionary.TryGetValue(key, out container))
{
lock (_lockerObject)
{
container = new CommonPerformanceCountersContainer();
_dictionary.Add
(
key
, new CommonPerformanceCountersContainer()
);
container.AttachPerformanceCountersToProperties
(
performanceCountersCategoryInstanceName
, performanceCountersCategoryName
);
}
}
var enableProcessCounter =
(
(enabledPerformanceCounters & MultiPerformanceCountersTypeFlags.ProcessCounter)
!= MultiPerformanceCountersTypeFlags.None
);
if (enableProcessCounter)
{
container.PrcocessPerformanceCounter.Increment();
}
var enableProcessingCounter =
(
(enabledPerformanceCounters & MultiPerformanceCountersTypeFlags.ProcessingCounter)
!= MultiPerformanceCountersTypeFlags.None
);
if (enableProcessingCounter)
{
container.ProcessingPerformanceCounter.Increment();
}
var enableProcessedAverageTimerCounter =
(
(enabledPerformanceCounters & MultiPerformanceCountersTypeFlags.ProcessedAverageTimerCounter)
!= MultiPerformanceCountersTypeFlags.None
);
if (enableProcessedAverageTimerCounter)
{
r = Stopwatch.StartNew();
}
}
return r;
}
public static void CountPerformanceEnd
(
MultiPerformanceCountersTypeFlags enabledPerformanceCounters
, string performanceCountersCategoryName
, string performanceCountersCategoryInstanceName
, Stopwatch stopwatch
)
{
string key = string.Format
(
"{1}{0}{2}"
, "-"
, performanceCountersCategoryName
, performanceCountersCategoryInstanceName
);
CommonPerformanceCountersContainer container = null;
if (!_dictionary.TryGetValue(key, out container))
{
return;
}
var enableProcessedAverageTimerCounter =
(
(enabledPerformanceCounters & MultiPerformanceCountersTypeFlags.ProcessedAverageTimerCounter)
!= MultiPerformanceCountersTypeFlags.None
);
if (enableProcessedAverageTimerCounter)
{
if (stopwatch != null)
{
PerformanceCounter performanceCounter = container.ProcessedAverageTimerPerformanceCounter;
PerformanceCounter basePerformanceCounter = container.ProcessedAverageBasePerformanceCounter;
stopwatch.Stop();
performanceCounter.IncrementBy(stopwatch.ElapsedTicks);
basePerformanceCounter.Increment();
//stopwatch = null;
}
}
var enableProcessingCounter =
(
(enabledPerformanceCounters & MultiPerformanceCountersTypeFlags.ProcessingCounter)
!= MultiPerformanceCountersTypeFlags.None
);
if (enableProcessingCounter)
{
container.ProcessingPerformanceCounter.Decrement();
}
var enableProcessedPerformanceCounter =
(
(enabledPerformanceCounters & MultiPerformanceCountersTypeFlags.ProcessedCounter)
!= MultiPerformanceCountersTypeFlags.None
);
if (enableProcessedPerformanceCounter)
{
container.ProcessedPerformanceCounter.Increment();
}
var enableProcessedRateOfCountsPerSecondPerformanceCounter =
(
(enabledPerformanceCounters & MultiPerformanceCountersTypeFlags.ProcessedRateOfCountsPerSecondCounter)
!= MultiPerformanceCountersTypeFlags.None
);
if (enableProcessedRateOfCountsPerSecondPerformanceCounter)
{
container.ProcessedRateOfCountsPerSecondPerformanceCounter.Increment();
}
}
public static void CountPerformance
(
MultiPerformanceCountersTypeFlags enabledPerformanceCounters
, string performanceCountersCategoryName
, string performanceCountersCategoryInstanceName
, Action onBeforeCountPerformanceInnerProcessAction
, Action onCountPerformanceInnerProcessAction
, Action onAfterCountPerformanceInnerProcessAction
)
{
if (enabledPerformanceCounters != MultiPerformanceCountersTypeFlags.None)
{
if (onCountPerformanceInnerProcessAction != null)
{
string key = string.Format
(
"{1}{0}{2}"
, "-"
, performanceCountersCategoryName
, performanceCountersCategoryInstanceName
);
CommonPerformanceCountersContainer container = null;
if (!_dictionary.TryGetValue(key, out container))
{
lock (_lockerObject)
{
container = new CommonPerformanceCountersContainer();
_dictionary.Add
(
key
, new CommonPerformanceCountersContainer()
);
container.AttachPerformanceCountersToProperties
(
performanceCountersCategoryInstanceName
, performanceCountersCategoryName
);
}
}
var enableProcessCounter =
(
(enabledPerformanceCounters & MultiPerformanceCountersTypeFlags.ProcessCounter)
!= MultiPerformanceCountersTypeFlags.None
);
if (enableProcessCounter)
{
container.PrcocessPerformanceCounter.Increment();
}
var enableProcessingCounter =
(
(enabledPerformanceCounters & MultiPerformanceCountersTypeFlags.ProcessingCounter)
!= MultiPerformanceCountersTypeFlags.None
);
if (enableProcessingCounter)
{
container.ProcessingPerformanceCounter.Increment();
}
var enableProcessedAverageTimerCounter =
(
(enabledPerformanceCounters & MultiPerformanceCountersTypeFlags.ProcessedAverageTimerCounter)
!= MultiPerformanceCountersTypeFlags.None
);
try
{
container.ProcessedAverageTimerPerformanceCounter.ChangeAverageTimerCounterValueWithTryCatchExceptionFinally
(
enableProcessedAverageTimerCounter
, container.ProcessedAverageBasePerformanceCounter
, () =>
{
if (onCountPerformanceInnerProcessAction != null)
{
if (onBeforeCountPerformanceInnerProcessAction != null)
{
onBeforeCountPerformanceInnerProcessAction();
}
onCountPerformanceInnerProcessAction();
if (onAfterCountPerformanceInnerProcessAction != null)
{
onAfterCountPerformanceInnerProcessAction();
}
}
}
, null
, null
);
}
catch (Exception e)
{
throw new Exception("ReThrow Exception On Caught Excepion", e);
}
finally
{
if (enableProcessingCounter)
{
container.ProcessingPerformanceCounter.Decrement();
}
var enableProcessedPerformanceCounter =
(
(enabledPerformanceCounters & MultiPerformanceCountersTypeFlags.ProcessedCounter)
!= MultiPerformanceCountersTypeFlags.None
);
if (enableProcessedPerformanceCounter)
{
container.ProcessedPerformanceCounter.Increment();
}
var enableProcessedRateOfCountsPerSecondPerformanceCounter =
(
(enabledPerformanceCounters & MultiPerformanceCountersTypeFlags.ProcessedRateOfCountsPerSecondCounter)
!= MultiPerformanceCountersTypeFlags.None
);
if (enableProcessedRateOfCountsPerSecondPerformanceCounter)
{
container.ProcessedRateOfCountsPerSecondPerformanceCounter.Increment();
}
}
}
}
else
{
if (onCountPerformanceInnerProcessAction != null)
{
onCountPerformanceInnerProcessAction();
}
}
}
}
}
//=========================================================================================
//=========================================================================================
namespace Microshaoft
{
using System;
using System.Diagnostics;
public class CommonPerformanceCountersContainer
{
#region PerformanceCounters
private PerformanceCounter _processPerformanceCounter;
[PerformanceCounterDefinitionAttribute(CounterType = PerformanceCounterType.NumberOfItems64, CounterName = "01.接收处理笔数(笔)")]
public PerformanceCounter PrcocessPerformanceCounter
{
private set
{
ReaderWriterLockSlimHelper.TryEnterWriterLockSlimWrite<PerformanceCounter>(ref _processPerformanceCounter, value, 2);
}
get
{
return _processPerformanceCounter;
}
}
private PerformanceCounter _processingPerformanceCounter;
[PerformanceCounterDefinitionAttribute(CounterType = PerformanceCounterType.NumberOfItems64, CounterName = "02.正在处理笔数(笔)")]
public PerformanceCounter ProcessingPerformanceCounter
{
private set
{
ReaderWriterLockSlimHelper.TryEnterWriterLockSlimWrite<PerformanceCounter>(ref _processingPerformanceCounter, value, 2);
}
get
{
return _processingPerformanceCounter;
}
}
private PerformanceCounter _processedPerformanceCounter;
[PerformanceCounterDefinitionAttribute(CounterType = PerformanceCounterType.NumberOfItems64, CounterName = "03.完成处理笔数(笔)")]
public PerformanceCounter ProcessedPerformanceCounter
{
private set
{
ReaderWriterLockSlimHelper.TryEnterWriterLockSlimWrite<PerformanceCounter>(ref _processedPerformanceCounter, value, 2);
}
get
{
return _processedPerformanceCounter;
}
}
private PerformanceCounter _processedRateOfCountsPerSecondPerformanceCounter;
[PerformanceCounterDefinitionAttribute(CounterType = PerformanceCounterType.RateOfCountsPerSecond64, CounterName = "04.每秒完成处理笔数(笔/秒)")]
public PerformanceCounter ProcessedRateOfCountsPerSecondPerformanceCounter
{
private set
{
ReaderWriterLockSlimHelper.TryEnterWriterLockSlimWrite<PerformanceCounter>(ref _processedRateOfCountsPerSecondPerformanceCounter, value, 2);
}
get
{
return _processedRateOfCountsPerSecondPerformanceCounter;
}
}
private PerformanceCounter _ProcessedAverageTimerPerformanceCounter;
[PerformanceCounterDefinitionAttribute(CounterType = PerformanceCounterType.AverageTimer32, CounterName = "05.平均每笔处理耗时秒数(秒/笔)")]
public PerformanceCounter ProcessedAverageTimerPerformanceCounter
{
private set
{
ReaderWriterLockSlimHelper.TryEnterWriterLockSlimWrite<PerformanceCounter>(ref _ProcessedAverageTimerPerformanceCounter, value, 2);
}
get
{
return _ProcessedAverageTimerPerformanceCounter;
}
}
private PerformanceCounter _processedAverageBasePerformanceCounter;
[PerformanceCounterDefinitionAttribute(CounterType = PerformanceCounterType.AverageBase)]
public PerformanceCounter ProcessedAverageBasePerformanceCounter
{
private set
{
ReaderWriterLockSlimHelper.TryEnterWriterLockSlimWrite<PerformanceCounter>(ref _processedAverageBasePerformanceCounter, value, 2);
}
get
{
return _processedAverageBasePerformanceCounter;
}
}
#endregion
// indexer declaration
public PerformanceCounter this[string name]
{
get
{
throw new NotImplementedException();
//return null;
}
}
//private bool _isAttachedPerformanceCounters = false;
public void AttachPerformanceCountersToProperties
(
string instanceName
, string categoryName
)
{
var type = this.GetType();
PerformanceCountersHelper.AttachPerformanceCountersToProperties<CommonPerformanceCountersContainer>(instanceName, categoryName, this);
}
}
}
namespace Microshaoft
{
using System;
using System.Diagnostics;
public static class PerformanceCounterExtensionMethodsManager
{
public static T ChangeCounterValueWithTryCatchExceptionFinally<T>
(
this PerformanceCounter performanceCounter
, bool enabled
, Func<PerformanceCounter, T> onCounterChangeProcessFunc //= null
, Action<PerformanceCounter> onCounterChangedProcessAction //= null
, Func<PerformanceCounter, Exception, bool> onCaughtExceptionProcessFunc //= null
, Action<PerformanceCounter> onCaughtExceptionFinallyProcessAction //= null
)
{
T r = default(T);
if (enabled)
{
if (onCounterChangeProcessFunc != null)
{
var caughtException = false;
try
{
r = onCounterChangeProcessFunc(performanceCounter);
}
catch (Exception e)
{
caughtException = true;
var reThrow = true;
if (onCaughtExceptionProcessFunc != null)
{
reThrow = onCaughtExceptionProcessFunc(performanceCounter, e);
}
if (reThrow)
{
throw new Exception("ReThrow Exception On Caught Excepion", e);
}
}
finally
{
if (caughtException)
{
if (onCaughtExceptionFinallyProcessAction != null)
{
onCaughtExceptionFinallyProcessAction(performanceCounter);
}
}
}
}
}
if (onCounterChangedProcessAction != null)
{
var caughtException = false;
try
{
onCounterChangedProcessAction(performanceCounter);
}
catch (Exception e)
{
caughtException = true;
var reThrow = true;
if (onCaughtExceptionProcessFunc != null)
{
reThrow = onCaughtExceptionProcessFunc(performanceCounter, e);
}
if (reThrow)
{
throw new Exception("ReThrow Exception On Caught Excepion", e);
}
}
finally
{
if (caughtException)
{
if (onCaughtExceptionFinallyProcessAction != null)
{
onCaughtExceptionFinallyProcessAction(performanceCounter);
}
}
}
}
return r;
}
public static void ChangeAverageTimerCounterValueWithTryCatchExceptionFinally
(
this PerformanceCounter performanceCounter
, bool enabled
, PerformanceCounter basePerformanceCounter
, Action onCountPerformanceInnerProcessAction //= null
, Func<PerformanceCounter, Exception, bool> onCaughtExceptionProcessFunc //= null
, Action<PerformanceCounter, PerformanceCounter> onCaughtExceptionFinallyProcessAction //= null
)
{
if (enabled)
{
var stopwatch = Stopwatch.StartNew();
if (onCountPerformanceInnerProcessAction != null)
{
var caughtException = false;
try
{
onCountPerformanceInnerProcessAction();
}
catch (Exception e)
{
caughtException = true;
var reThrow = true;
if (onCaughtExceptionProcessFunc != null)
{
reThrow = onCaughtExceptionProcessFunc(performanceCounter, e);
}
if (reThrow)
{
throw new Exception("ReThrow Exception On Caught Excepion", e);
}
}
finally
{
stopwatch.Stop();
performanceCounter.IncrementBy(stopwatch.ElapsedTicks);
stopwatch = null;
basePerformanceCounter.Increment();
if (caughtException)
{
if (onCaughtExceptionFinallyProcessAction != null)
{
onCaughtExceptionFinallyProcessAction(performanceCounter, basePerformanceCounter);
}
}
}
}
}
}
}
}
namespace Microshaoft
{
using System;
using System.Diagnostics;
[FlagsAttribute]
public enum MultiPerformanceCountersTypeFlags : ushort
{
None = 0,
ProcessCounter = 1,
ProcessingCounter = 2,
ProcessedCounter = 4,
ProcessedAverageTimerCounter = 8,
ProcessedRateOfCountsPerSecondCounter = 16
};
[AttributeUsage(AttributeTargets.Property, AllowMultiple = false, Inherited = false)]
public class PerformanceCounterDefinitionAttribute : Attribute
{
public PerformanceCounterType CounterType;
public string CounterName;
}
}
namespace Microshaoft
{
using System.Diagnostics;
using System.Linq;
public static class PerformanceCountersHelper
{
public static void AttachPerformanceCountersToProperties<T>
(
string performanceCounterInstanceName
, string category
, T target //= default(T)
)
{
var type = typeof(T);
var propertiesList = type.GetProperties().ToList();
propertiesList = propertiesList.Where
(
(pi) =>
{
var parameters = pi.GetIndexParameters();
return
(
pi.PropertyType == typeof(PerformanceCounter)
&& (parameters == null ? 0 : parameters.Length) <= 0
);
}
).ToList();
if (PerformanceCounterCategory.Exists(category))
{
propertiesList.ForEach
(
(pi) =>
{
if (PerformanceCounterCategory.CounterExists(pi.Name, category))
{
if (PerformanceCounterCategory.InstanceExists(performanceCounterInstanceName, category))
{
//var pc = new PerformanceCounter(category, pi.Name, instanceName, false);
//pc.InstanceName = instanceName;
//pc.RemoveInstance();
}
}
}
);
//PerformanceCounterCategory.Delete(category);
}
if (!PerformanceCounterCategory.Exists(category))
{
var ccdc = new CounterCreationDataCollection();
propertiesList.ForEach
(
(pi) =>
{
var propertyName = pi.Name;
var performanceCounterType = PerformanceCounterType.NumberOfItems64;
var performanceCounterName = propertyName;
var attribute = pi.GetCustomAttributes(false).FirstOrDefault
(
(x) =>
{
return x as PerformanceCounterDefinitionAttribute != null;
}
) as PerformanceCounterDefinitionAttribute;
if (attribute != null)
{
var counterName = attribute.CounterName;
if (!string.IsNullOrEmpty(counterName))
{
performanceCounterName = counterName;
}
var counterType = attribute.CounterType;
//if (counterType != null)
{
performanceCounterType = counterType;
}
}
var ccd = PerformanceCountersHelper.GetCounterCreationData
(
performanceCounterName
, performanceCounterType
);
ccdc.Add(ccd);
}
);
PerformanceCounterCategory.Create
(
category,
string.Format("{0} Category Help.", category),
PerformanceCounterCategoryType.MultiInstance,
ccdc
);
}
propertiesList.ForEach
(
(pi) =>
{
var propertyName = pi.Name;
var performanceCounterType = PerformanceCounterType.NumberOfItems64;
var performanceCounterName = propertyName;
var attribute = pi.GetCustomAttributes(false).FirstOrDefault
(
(x) =>
{
return x as PerformanceCounterDefinitionAttribute != null;
}
) as PerformanceCounterDefinitionAttribute;
if (attribute != null)
{
var counterName = attribute.CounterName;
if (!string.IsNullOrEmpty(counterName))
{
performanceCounterName = counterName;
}
var counterType = attribute.CounterType;
//if (counterType != null)
{
performanceCounterType = counterType;
}
}
var pc = new PerformanceCounter()
{
CategoryName = category
,
CounterName = performanceCounterName
,
InstanceLifetime = PerformanceCounterInstanceLifetime.Process
,
InstanceName = performanceCounterInstanceName
,
ReadOnly = false
,
RawValue = 0
};
if (pi.GetGetMethod().IsStatic)
{
var setter = DynamicPropertyAccessor.CreateSetStaticPropertyValueAction<PerformanceCounter>(type, propertyName);
setter(pc);
}
else
{
if (target != null)
{
var setter = DynamicPropertyAccessor.CreateSetPropertyValueAction<PerformanceCounter>(type, propertyName);
setter(target, pc);
}
}
}
);
}
public static CounterCreationData GetCounterCreationData(string counterName, PerformanceCounterType performanceCounterType)
{
return new CounterCreationData()
{
CounterName = counterName
,
CounterHelp = string.Format("{0} Help", counterName)
,
CounterType = performanceCounterType
};
}
}
}
namespace Microshaoft
{
using System;
using System.Threading;
public static class ReaderWriterLockSlimHelper
{
public static bool TryEnterWriterLockSlimWrite<T>
(
ref T target
, T newValue
, int enterTimeOutSeconds
)
where T : class
{
bool r = false;
var rwls = new ReaderWriterLockSlim();
int timeOut = Timeout.Infinite;
if (enterTimeOutSeconds >= 0)
{
timeOut = enterTimeOutSeconds * 1000;
}
try
{
r = (rwls.TryEnterWriteLock(timeOut));
if (r)
{
Interlocked.Exchange<T>(ref target, newValue);
r = true;
}
}
finally
{
if (r)
{
rwls.ExitWriteLock();
}
}
return r;
}
public static bool TryEnterWriterLockSlim
(
Action action
, int enterTimeOutSeconds
)
{
bool r = false;
if (action != null)
{
var rwls = new ReaderWriterLockSlim();
int timeOut = Timeout.Infinite;
if (enterTimeOutSeconds >= 0)
{
timeOut = enterTimeOutSeconds * 1000;
}
try
{
r = (rwls.TryEnterWriteLock(timeOut));
if (r)
{
action();
r = true;
}
}
finally
{
if (r)
{
rwls.ExitWriteLock();
}
}
}
return r;
}
}
}
namespace Microshaoft
{
using System;
using System.Linq;
using System.Linq.Expressions;
using System.Reflection;
public class DynamicPropertyAccessor
{
private static Assembly GetAssemblyByTypeName(string typeName)
{
return
AppDomain
.CurrentDomain
.GetAssemblies()
.First
(
(a) =>
{
return
a
.GetTypes()
.Any
(
(t) =>
{
return
(
t.FullName
== typeName
);
}
);
}
);
}
public static Func<object, object> CreateGetPropertyValueFunc
(
string typeName
, string propertyName
, bool isTypeFromAssembly = false
)
{
Type type;
if (isTypeFromAssembly)
{
var assembly = GetAssemblyByTypeName(typeName);
type = assembly.GetType(typeName);
}
else
{
type = Type.GetType(typeName);
}
return CreateGetPropertyValueFunc(type, propertyName);
}
public static Func<object, object> CreateGetPropertyValueFunc
(
Type type
, string propertyName
)
{
var target = Expression.Parameter(typeof(object));
var castTarget = Expression.Convert(target, type);
var getPropertyValue = Expression.Property(castTarget, propertyName);
var castPropertyValue = Expression.Convert(getPropertyValue, typeof(object));
var lambda = Expression.Lambda<Func<object, object>>(castPropertyValue, target);
return lambda.Compile();
}
public static Func<object, TProperty> CreateGetPropertyValueFunc<TProperty>
(
string typeName
, string propertyName
, bool isTypeFromAssembly = false
)
{
Type type;
if (isTypeFromAssembly)
{
var assembly = GetAssemblyByTypeName(typeName);
type = assembly.GetType(typeName);
}
else
{
type = Type.GetType(typeName);
}
return CreateGetPropertyValueFunc<TProperty>(type, propertyName);
}
public static Func<object, TProperty> CreateGetPropertyValueFunc<TProperty>
(
Type type
, string propertyName
)
{
var target = Expression.Parameter(typeof(object));
var castTarget = Expression.Convert(target, type);
var getPropertyValue = Expression.Property(castTarget, propertyName);
var lambda = Expression.Lambda<Func<object, TProperty>>(getPropertyValue, target);
return lambda.Compile();
}
public static Func<TProperty> CreateGetStaticPropertyValueFunc<TProperty>
(
string typeName
, string propertyName
, bool isTypeFromAssembly = false
)
{
Type type;
if (isTypeFromAssembly)
{
var assembly = GetAssemblyByTypeName(typeName);
type = assembly.GetType(typeName);
}
else
{
type = Type.GetType(typeName);
}
return CreateGetStaticPropertyValueFunc<TProperty>(type, propertyName);
}
public static Func<TProperty> CreateGetStaticPropertyValueFunc<TProperty>
(
Type type
, string propertyName
)
{
Func<TProperty> func = null;
var property = type.GetProperty(propertyName, typeof(TProperty));
if (property == null)
{
property =
type
.GetProperties()
.ToList()
.FirstOrDefault
(
(x) =>
{
return
(
x.Name.ToLower()
== propertyName.ToLower()
);
}
);
}
if (property != null)
{
var getPropertyValue = Expression.Property(null, property);
var lambda = Expression.Lambda<Func<TProperty>>(getPropertyValue, null);
func = lambda.Compile();
}
return func;
}
public static Func<object> CreateGetStaticPropertyValueFunc
(
Type type
, string propertyName
)
{
Func<object> func = null;
var property = type.GetProperty(propertyName);
if (property == null)
{
property =
type
.GetProperties()
.ToList()
.FirstOrDefault
(
(x) =>
{
return
(
x.Name.ToLower()
== propertyName.ToLower()
);
}
);
}
if (property != null)
{
var getPropertyValue = Expression.Property(null, property);
var castPropertyValue = Expression.Convert(getPropertyValue, typeof(object));
var lambda = Expression.Lambda<Func<object>>(castPropertyValue, null);
func = lambda.Compile();
}
return func;
}
public static Func<object> CreateGetStaticPropertyValueFunc
(
string typeName
, string propertyName
, bool isTypeFromAssembly = false
)
{
Type type;
if (isTypeFromAssembly)
{
var assembly = GetAssemblyByTypeName(typeName);
type = assembly.GetType(typeName);
}
else
{
type = Type.GetType(typeName);
}
return CreateGetStaticPropertyValueFunc(type, propertyName);
}
public static Action<object, object> CreateSetPropertyValueAction
(
Type type
, string propertyName
)
{
Action<object, object> action = null;
var property = type.GetProperty(propertyName);
if (property == null)
{
property =
type
.GetProperties()
.ToList()
.FirstOrDefault
(
(x) =>
{
return
(
x.Name.ToLower()
== propertyName.ToLower()
);
}
);
}
if (property != null)
{
var target = Expression.Parameter(typeof(object));
var propertyValue = Expression.Parameter(typeof(object));
var castTarget = Expression.Convert(target, type);
var castPropertyValue = Expression.Convert(propertyValue, property.PropertyType);
var getSetMethod = property.GetSetMethod();
if (getSetMethod == null)
{
getSetMethod = property.GetSetMethod(true);
}
var call = Expression.Call(castTarget, getSetMethod, castPropertyValue);
var lambda = Expression.Lambda<Action<object, object>>(call, target, propertyValue);
action = lambda.Compile();
}
return action;
}
public static Action<object, object> CreateSetPropertyValueAction
(
string typeName
, string propertyName
, bool isTypeFromAssembly = false
)
{
Type type;
if (isTypeFromAssembly)
{
var assembly = GetAssemblyByTypeName(typeName);
type = assembly.GetType(typeName);
}
else
{
type = Type.GetType(typeName);
}
return CreateSetPropertyValueAction(type, propertyName);
}
public static Action<object, TProperty> CreateSetPropertyValueAction<TProperty>
(
Type type
, string propertyName
)
{
Action<object, TProperty> action = null;
var property = type.GetProperty(propertyName);
if (property == null)
{
property =
type
.GetProperties()
.ToList()
.FirstOrDefault
(
(x) =>
{
return
(
x.Name.ToLower()
== propertyName.ToLower()
);
}
);
}
if (property != null)
{
var target = Expression.Parameter(typeof(object));
var propertyValue = Expression.Parameter(typeof(TProperty));
var castTarget = Expression.Convert(target, type);
var castPropertyValue = Expression.Convert(propertyValue, property.PropertyType);
var getSetMethod = property.GetSetMethod();
if (getSetMethod == null)
{
getSetMethod = property.GetSetMethod(true);
}
var call = Expression.Call(castTarget, getSetMethod, castPropertyValue);
var lambda = Expression.Lambda<Action<object, TProperty>>(call, target, propertyValue);
action = lambda.Compile();
}
return action;
}
public static Action<object, TProperty> CreateSetPropertyValueAction<TProperty>
(
string typeName
, string propertyName
, bool isTypeFromAssembly = false
)
{
Type type;
if (isTypeFromAssembly)
{
var assembly = GetAssemblyByTypeName(typeName);
type = assembly.GetType(typeName);
}
else
{
type = Type.GetType(typeName);
}
return CreateSetPropertyValueAction<TProperty>(type, propertyName);
}
public static Action<object> CreateSetStaticPropertyValueAction
(
Type type
, string propertyName
)
{
Action<object> action = null;
var property = type.GetProperty(propertyName);
if (property == null)
{
property =
type
.GetProperties()
.ToList()
.FirstOrDefault
(
(x) =>
{
return
(
x.Name.ToLower()
== propertyName.ToLower()
);
}
);
}
if (property != null)
{
var propertyValue = Expression.Parameter(typeof(object));
var castPropertyValue = Expression.Convert(propertyValue, property.PropertyType);
var getSetMethod = property.GetSetMethod();
if (getSetMethod == null)
{
getSetMethod = property.GetSetMethod(true);
}
var call = Expression.Call(null, getSetMethod, castPropertyValue);
var lambda = Expression.Lambda<Action<object>>(call, propertyValue);
action = lambda.Compile();
}
return action;
}
public static Action<object> CreateSetStaticPropertyValueAction
(
string typeName
, string propertyName
, bool isTypeFromAssembly = false
)
{
Type type;
if (isTypeFromAssembly)
{
var assembly = GetAssemblyByTypeName(typeName);
type = assembly.GetType(typeName);
}
else
{
type = Type.GetType(typeName);
}
return CreateSetStaticPropertyValueAction(type, propertyName);
}
public static Action<TProperty> CreateSetStaticPropertyValueAction<TProperty>
(
Type type
, string propertyName
)
{
Action<TProperty> action = null;
var property = type.GetProperty(propertyName);
if (property == null)
{
property =
type
.GetProperties()
.ToList()
.FirstOrDefault
(
(x) =>
{
return
(
x.Name.ToLower()
== propertyName.ToLower()
);
}
);
}
if (property != null)
{
var propertyValue = Expression.Parameter(typeof(TProperty));
//var castPropertyValue = Expression.Convert(propertyValue, property.PropertyType);
var getSetMethod = property.GetSetMethod();
if (getSetMethod == null)
{
getSetMethod = property.GetSetMethod(true);
}
var call = Expression.Call(null, getSetMethod, propertyValue);
var lambda = Expression.Lambda<Action<TProperty>>(call, propertyValue);
action = lambda.Compile();
}
return action;
}
public static Action<TProperty> CreateSetStaticPropertyValueAction<TProperty>
(
string typeName
, string propertyName
, bool isTypeFromAssembly = false
)
{
Type type;
if (isTypeFromAssembly)
{
var assembly = GetAssemblyByTypeName(typeName);
type = assembly.GetType(typeName);
}
else
{
type = Type.GetType(typeName);
}
return CreateSetStaticPropertyValueAction<TProperty>(type, propertyName);
}
}
}
//以下 only for .NET 3.5 =============================
#if NET35
namespace System.Threading.Tasks
{
using System;
using System.Threading;
public class ParallelOptions
{
public int MaxDegreeOfParallelism
{
set;
get;
}
}
public static class Parallel
{
public static void For
(
int from
, int to
, ParallelOptions options
, Action<int> action
)
{
var iterations = to - from;
var threads = options.MaxDegreeOfParallelism;
var ares = new AutoResetEvent[threads];
var i = 0;
var count = 0;
Array.ForEach
(
ares
, (x) =>
{
var are = new AutoResetEvent(false);
ares[i++] = are;
new Thread
(
new ThreadStart
(
() =>
{
while (true)
{
int j = Interlocked.Increment(ref from);
if (j <= to)
{
Interlocked.Increment(ref count);
action(j);
}
else
{
break;
}
}
are.Set();
}
)
).Start();
}
);
WaitHandle.WaitAll(ares);
Console.WriteLine(count);
}
}
}
#endif