ConcurrentAsyncQueue 2012-07-21
# define stopwatch
//# define datetime
//# define long
namespace Test
{
using System;
using System.Threading;
using System.Threading.Tasks;
using Microshaoft;
class Program
{
static void Main()
{
GCNotifier.RegisterForFullGCNotification
(
99
, 99
, 10
, (x) =>
{
//if (x != GCNotificationStatus.Timeout)
{
Console.WriteLine("FullGCApproach {0}", x);
}
}
, (x) =>
{
//if (x != GCNotificationStatus.Timeout)
{
Console.WriteLine("FullGCComplete {0}", x);
}
}
);
var q = new ConcurrentAsyncQueue<int>();
q.AttachPerformanceCounters
(
"new"
, "Microshaoft ConcurrentAsyncQueue Performance Counters"
, new PerformanceCountersContainer()
);
Random random = new Random();
q.OnDequeue += new ConcurrentAsyncQueue<int>.QueueEventHandler
(
(x) =>
{
int sleep = random.Next(0, 9) * 50;
//Console.WriteLine(sleep);
//Thread.Sleep(sleep);
if (sleep > 400)
{
Console.WriteLine(x);
}
}
);
q.OnException += new ConcurrentAsyncQueue<int>.ExceptionEventHandler
(
(x) =>
{
Console.WriteLine(x.ToString());
}
);
Console.WriteLine("begin ...");
//q.StartAdd(10);
string r = string.Empty;
while ((r = Console.ReadLine()) != "q")
{
int i;
if (int.TryParse(r, out i))
{
Console.WriteLine("Parallel Enqueue {0} begin ...", i);
new Thread
(
new ParameterizedThreadStart
(
(x) =>
{
Parallel.For
(
0
, i
, (xx) =>
{
q.Enqueue(xx);
}
);
Console.WriteLine("Parallel Enqueue {0} end ...", i);
}
)
).Start();
}
else if (r.ToLower() == "stop")
{
q.StartStop(10);
}
else if (r.ToLower() == "add")
{
q.StartAdd(20);
}
else
{
Console.WriteLine("please input Number!");
}
}
}
}
}
namespace Microshaoft
{
using System;
using System.Collections.Concurrent;
using System.Diagnostics;
using System.Threading;
public class ConcurrentAsyncQueue<T>
{
public delegate void QueueEventHandler(T item);
public event QueueEventHandler OnDequeue;
public delegate void QueueLogEventHandler(string logMessage);
public QueueLogEventHandler
OnQueueLog
, OnDequeueThreadStart
, OnDequeueThreadEnd;
public delegate void ExceptionEventHandler(Exception exception);
public event ExceptionEventHandler OnException;
private ConcurrentQueue
<
Tuple
<
#if stopwatch
Stopwatch
#elif datetime
DateTime?
#elif long
long
#endif
, T
>
> _queue =
new ConcurrentQueue
<
Tuple
<
#if stopwatch
Stopwatch
#elif datetime
DateTime?
#elif long
long
#endif
, T
>
>();
private ConcurrentQueue<Action> _callbackProcessBreaksActions;
private long _concurrentDequeueThreadsCount = 0; //Microshaoft 用于控制并发线程数
private ConcurrentQueue<ThreadProcessor> _dequeueThreadsProcessorsPool;
private int _dequeueIdleSleepSeconds = 10;
public PerformanceCountersContainer PerformanceCounters
{
get;
private set;
}
public int DequeueIdleSleepSeconds
{
set
{
_dequeueIdleSleepSeconds = value;
}
get
{
return _dequeueIdleSleepSeconds;
}
}
private bool _isAttachedPerformanceCounters = false;
private class ThreadProcessor
{
public bool Break
{
set;
get;
}
public EventWaitHandle Wait
{
private set;
get;
}
public ConcurrentAsyncQueue<T> Sender
{
private set;
get;
}
public void StopOne()
{
Break = true;
}
public ThreadProcessor
(
ConcurrentAsyncQueue<T> queue
, EventWaitHandle wait
)
{
Wait = wait;
Sender = queue;
}
public void ThreadProcess()
{
Interlocked.Increment(ref Sender._concurrentDequeueThreadsCount);
bool counterEnabled = Sender._isAttachedPerformanceCounters;
if (counterEnabled)
{
Sender.PerformanceCounters.DequeueThreadStartPerformanceCounter.ChangeCounterValueWithTryCatchExceptionFinally<long>
(
counterEnabled
, (x) =>
{
return x.Increment();
}
);
Sender.PerformanceCounters.DequeueThreadsCountPerformanceCounter.Increment();
}
long r = 0;
try
{
if (Sender.OnDequeueThreadStart != null)
{
r = Interlocked.Read(ref Sender._concurrentDequeueThreadsCount);
Sender.OnDequeueThreadStart
(
string.Format
(
"{0} Threads Count {1},Queue Count {2},Current Thread: {3} at {4}"
, "Threads ++ !"
, r
, Sender._queue.Count
, Thread.CurrentThread.Name
, DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss.fffff")
)
);
}
while (true)
{
#region while true loop
if (Break)
{
break;
}
while (!Sender._queue.IsEmpty)
{
#region while queue.IsEmpty loop
if (Break)
{
break;
}
#if stopwatch
Tuple<Stopwatch, T>
#elif datetime
Tuple<DateTime?,T>
#elif long
Tuple<long,T>
#endif
item = null;
if (Sender._queue.TryDequeue(out item))
{
if (counterEnabled)
{
Sender.PerformanceCounters.DequeuePerformanceCounter.Increment();
Sender.PerformanceCounters.QueueLengthPerformanceCounter.Decrement();
}
if (Sender.OnDequeue != null)
{
if (counterEnabled)
{
var beginTimeStopwatch = item.Item1;
if
(
#if stopwatch
beginTimeStopwatch != null
#elif datetime
beginTimeStopwatch != null
#elif long
beginTimeStopwatch != 0
#endif
)
{
#if stopwatch
beginTimeStopwatch.Stop();
#endif
long elapsedTicks =
#if stopwatch
beginTimeStopwatch.ElapsedTicks;
beginTimeStopwatch = null;
#elif datetime
DateTime.Now.Ticks - beginTimeStopwatch.Value.Ticks;
beginTimeStopwatch = null;
#elif long
DateTime.Now.Ticks - beginTimeStopwatch;
#endif
Sender.PerformanceCounters.QueuedWaitAverageTimerPerformanceCounter.IncrementBy(elapsedTicks);
Sender.PerformanceCounters.QueuedWaitAverageBasePerformanceCounter.Increment();
}
}
var element = item.Item2;
item = null;
Sender.PerformanceCounters.DequeueProcessedAverageTimerPerformanceCounter.ChangeAverageTimerCounterValueWithTryCatchExceptionFinally
(
counterEnabled
, Sender.PerformanceCounters.DequeueProcessedAverageBasePerformanceCounter
, () =>
{
Sender.OnDequeue(element);
}
);
}
if (Sender._isAttachedPerformanceCounters)
{
Sender.PerformanceCounters.DequeueProcessedPerformanceCounter.Increment();
Sender.PerformanceCounters.DequeueProcessedRateOfCountsPerSecondPerformanceCounter.Increment();
}
}
#endregion while queue.IsEmpty loop
}
#region wait
Sender._dequeueThreadsProcessorsPool.Enqueue(this);
if (Break)
{
}
if (!Wait.WaitOne(Sender.DequeueIdleSleepSeconds * 1000))
{
}
#endregion wait
#endregion while true loop
}
}
catch (Exception e)
{
if (Sender.OnException != null)
{
Sender.OnException(e);
}
}
finally
{
r = Interlocked.Decrement(ref Sender._concurrentDequeueThreadsCount);
if (r < 0)
{
Interlocked.Exchange(ref Sender._concurrentDequeueThreadsCount, 0);
if (Sender._isAttachedPerformanceCounters)
{
if (Sender.PerformanceCounters.DequeueThreadsCountPerformanceCounter.RawValue < 0)
{
Sender.PerformanceCounters.DequeueThreadsCountPerformanceCounter.RawValue = Sender._concurrentDequeueThreadsCount;
}
}
}
if (Sender.OnDequeueThreadEnd != null)
{
Sender.OnDequeueThreadEnd
(
string.Format
(
"{0} Threads Count {1},Queue Count {2},Current Thread: {3} at {4}"
, "Threads--"
, r
, Sender._queue.Count
, Thread.CurrentThread.Name
, DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss.fffff")
)
);
}
if (Sender._isAttachedPerformanceCounters)
{
Sender.PerformanceCounters.DequeueThreadEndPerformanceCounter.Increment();
Sender.PerformanceCounters.DequeueThreadsCountPerformanceCounter.Decrement();
}
if (!Break)
{
Sender.StartAdd(1);
}
Break = false;
}
}
}
public void AttachPerformanceCounters
(
string instanceNamePrefix
, string categoryName
, PerformanceCountersContainer performanceCounters
)
{
var process = Process.GetCurrentProcess();
var processName = process.ProcessName;
var instanceName = string.Format
(
"{0}-{1}"
, instanceNamePrefix
, processName
);
PerformanceCounters = performanceCounters;
PerformanceCounters.AttachPerformanceCountersToProperties(instanceName, categoryName);
_isAttachedPerformanceCounters = true;
}
public int Count
{
get
{
return _queue.Count;
}
}
public long ConcurrentThreadsCount
{
get
{
return _concurrentDequeueThreadsCount;
}
}
private void Stop(int count)
{
Action action;
for (var i = 0; i < count; i++)
{
if (_callbackProcessBreaksActions.TryDequeue(out action))
{
action();
action = null;
}
}
}
public void StartStop(int count)
{
new Thread
(
new ThreadStart
(
() =>
{
Stop(count);
}
)
).Start();
}
public void StartAdd(int count)
{
new Thread
(
new ThreadStart
(
() =>
{
Add(count);
}
)
).Start();
}
private void Add(int count)
{
for (int i = 0; i < count; i++)
{
Interlocked.Increment(ref _concurrentDequeueThreadsCount);
if (_dequeueThreadsProcessorsPool == null)
{
_dequeueThreadsProcessorsPool = new ConcurrentQueue<ThreadProcessor>();
}
var processor = new ThreadProcessor
(
this
, new AutoResetEvent(false)
);
var thread = new Thread
(
new ThreadStart
(
processor.ThreadProcess
)
);
if (_callbackProcessBreaksActions == null)
{
_callbackProcessBreaksActions = new ConcurrentQueue<Action>();
}
var callbackProcessBreakAction = new Action
(
processor.StopOne
);
_callbackProcessBreaksActions.Enqueue(callbackProcessBreakAction);
_dequeueThreadsProcessorsPool.Enqueue(processor);
thread.Start();
}
}
public void Enqueue(T item)
{
try
{
#if stopwatch
Stopwatch stopwatch = null;
#elif datetime
DateTime? stopwatch = null;
#elif long
long stopwatch = 0;
#endif
if (_isAttachedPerformanceCounters)
{
#if stopwatch
stopwatch = Stopwatch.StartNew();
#elif datetime
stopwatch = DateTime.Now;
#elif long
stopwatch = DateTime.Now.Ticks;
#endif
}
var element = Tuple.Create
<
#if stopwatch
Stopwatch
#elif datetime
DateTime?
#elif long
long
#endif
, T
>(stopwatch, item);
_queue.Enqueue(element);
if (_isAttachedPerformanceCounters)
{
PerformanceCounters.EnqueuePerformanceCounter.Increment();
PerformanceCounters.EnqueueRateOfCountsPerSecondPerformanceCounter.Increment();
PerformanceCounters.QueueLengthPerformanceCounter.Increment();
}
if
(
_dequeueThreadsProcessorsPool != null
&& !_dequeueThreadsProcessorsPool.IsEmpty
)
{
ThreadProcessor processor;
if (_dequeueThreadsProcessorsPool.TryDequeue(out processor))
{
processor.Wait.Set();
processor = null;
//Console.WriteLine("processor = null;");
}
}
}
catch (Exception e)
{
if (OnException != null)
{
OnException(e);
}
}
}
}
}
namespace Microshaoft
{
using System.Diagnostics;
public static class PerformanceCounterHelper
{
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.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> OnCatchedExceptionProcessFunc = null
, Action<PerformanceCounter> OnCatchedExceptionFinallyProcessAction = null
)
{
T r = default(T);
if (enabled)
{
if (OnCounterChangeProcessFunc != null)
{
var catchedException = false;
try
{
r = OnCounterChangeProcessFunc(performanceCounter);
}
catch (Exception e)
{
catchedException = true;
if (OnCatchedExceptionProcessFunc != null)
{
var b = OnCatchedExceptionProcessFunc(performanceCounter, e);
if (b)
{
throw new Exception("OnCounterChangeProcessFunc InnerExcepion", e);
}
}
}
finally
{
if (catchedException)
{
if (OnCatchedExceptionFinallyProcessAction != null)
{
OnCatchedExceptionFinallyProcessAction(performanceCounter);
}
}
}
}
}
if (OnCounterChangedProcessAction != null)
{
var catchedException = false;
try
{
OnCounterChangedProcessAction(performanceCounter);
}
catch (Exception e)
{
catchedException = true;
if (OnCatchedExceptionProcessFunc != null)
{
var b = OnCatchedExceptionProcessFunc(performanceCounter, e);
if (b)
{
throw new Exception("OnCounterChangedProcessAction InnerExcepion", e);
}
}
}
finally
{
if (catchedException)
{
if (OnCatchedExceptionFinallyProcessAction != null)
{
OnCatchedExceptionFinallyProcessAction(performanceCounter);
}
}
}
}
return r;
}
public static void ChangeAverageTimerCounterValueWithTryCatchExceptionFinally
(
this PerformanceCounter performanceCounter
, bool enabled
, PerformanceCounter basePerformanceCounter
, Action OnCounterInnerProcessAction = null
, Func<PerformanceCounter, Exception, bool> OnCatchedExceptionProcessFunc = null
, Action<PerformanceCounter, PerformanceCounter> OnCatchedExceptionFinallyProcessAction = null
)
{
if (enabled)
{
var stopwatch = Stopwatch.StartNew();
if (OnCounterInnerProcessAction != null)
{
var catchedException = false;
try
{
OnCounterInnerProcessAction();
}
catch (Exception e)
{
catchedException = true;
if (OnCatchedExceptionProcessFunc != null)
{
var b = OnCatchedExceptionProcessFunc(performanceCounter, e);
if (b)
{
throw new Exception("OnCounterInnerProcessAction InnerExcepion", e);
}
}
}
finally
{
stopwatch.Stop();
performanceCounter.IncrementBy(stopwatch.ElapsedTicks);
stopwatch = null;
basePerformanceCounter.Increment();
if (catchedException)
{
if (OnCatchedExceptionFinallyProcessAction != null)
{
OnCatchedExceptionFinallyProcessAction(performanceCounter, basePerformanceCounter);
}
}
}
}
}
}
}
}
namespace Microshaoft
{
using System;
using System.Diagnostics;
using System.Linq;
using System.Collections.Concurrent;
public class PerformanceCountersContainer
{
#region PerformanceCounters
private PerformanceCounter _enqueuePerformanceCounter;
[PerformanceCounterTypeAttribute(CounterType = PerformanceCounterType.NumberOfItems64)]
public PerformanceCounter EnqueuePerformanceCounter
{
private set
{
ReaderWriterLockSlimHelper.TryEnterWriterLockSlimWrite<PerformanceCounter>(ref _enqueuePerformanceCounter, value, 2);
}
get
{
return _enqueuePerformanceCounter;
}
}
private PerformanceCounter _enqueueRateOfCountsPerSecondPerformanceCounter;
[PerformanceCounterTypeAttribute(CounterType = PerformanceCounterType.RateOfCountsPerSecond64)]
public PerformanceCounter EnqueueRateOfCountsPerSecondPerformanceCounter
{
private set
{
ReaderWriterLockSlimHelper.TryEnterWriterLockSlimWrite<PerformanceCounter>(ref _enqueueRateOfCountsPerSecondPerformanceCounter, value, 2);
}
get
{
return _enqueueRateOfCountsPerSecondPerformanceCounter;
}
}
private PerformanceCounter _dequeuePerformanceCounter;
[PerformanceCounterTypeAttribute(CounterType = PerformanceCounterType.NumberOfItems64)]
public PerformanceCounter DequeuePerformanceCounter
{
private set
{
ReaderWriterLockSlimHelper.TryEnterWriterLockSlimWrite<PerformanceCounter>(ref _dequeuePerformanceCounter, value, 2);
}
get
{
return _dequeuePerformanceCounter;
}
}
private PerformanceCounter _dequeueProcessedRateOfCountsPerSecondPerformanceCounter;
[PerformanceCounterTypeAttribute(CounterType = PerformanceCounterType.RateOfCountsPerSecond64)]
public PerformanceCounter DequeueProcessedRateOfCountsPerSecondPerformanceCounter
{
private set
{
ReaderWriterLockSlimHelper.TryEnterWriterLockSlimWrite<PerformanceCounter>(ref _dequeueProcessedRateOfCountsPerSecondPerformanceCounter, value, 2);
}
get
{
return _dequeueProcessedRateOfCountsPerSecondPerformanceCounter;
}
}
private PerformanceCounter _dequeueProcessedPerformanceCounter;
[PerformanceCounterTypeAttribute(CounterType = PerformanceCounterType.NumberOfItems64)]
public PerformanceCounter DequeueProcessedPerformanceCounter
{
private set
{
ReaderWriterLockSlimHelper.TryEnterWriterLockSlimWrite<PerformanceCounter>(ref _dequeueProcessedPerformanceCounter, value, 2);
}
get
{
return _dequeueProcessedPerformanceCounter;
}
}
private PerformanceCounter _dequeueProcessedAverageTimerPerformanceCounter;
[PerformanceCounterTypeAttribute(CounterType = PerformanceCounterType.AverageTimer32)]
public PerformanceCounter DequeueProcessedAverageTimerPerformanceCounter
{
private set
{
ReaderWriterLockSlimHelper.TryEnterWriterLockSlimWrite<PerformanceCounter>(ref _dequeueProcessedAverageTimerPerformanceCounter, value, 2);
}
get
{
return _dequeueProcessedAverageTimerPerformanceCounter;
}
}
private PerformanceCounter _dequeueProcessedAverageBasePerformanceCounter;
[PerformanceCounterTypeAttribute(CounterType = PerformanceCounterType.AverageBase)]
public PerformanceCounter DequeueProcessedAverageBasePerformanceCounter
{
private set
{
ReaderWriterLockSlimHelper.TryEnterWriterLockSlimWrite<PerformanceCounter>(ref _dequeueProcessedAverageBasePerformanceCounter, value, 2);
}
get
{
return _dequeueProcessedAverageBasePerformanceCounter;
}
}
private PerformanceCounter _queuedWaitAverageTimerPerformanceCounter;
[PerformanceCounterTypeAttribute(CounterType = PerformanceCounterType.AverageTimer32)]
public PerformanceCounter QueuedWaitAverageTimerPerformanceCounter
{
private set
{
ReaderWriterLockSlimHelper.TryEnterWriterLockSlimWrite<PerformanceCounter>(ref _queuedWaitAverageTimerPerformanceCounter, value, 2);
}
get
{
return _queuedWaitAverageTimerPerformanceCounter;
}
}
private PerformanceCounter _queuedWaitAverageBasePerformanceCounter;
[PerformanceCounterTypeAttribute(CounterType = PerformanceCounterType.AverageBase)]
public PerformanceCounter QueuedWaitAverageBasePerformanceCounter
{
private set
{
ReaderWriterLockSlimHelper.TryEnterWriterLockSlimWrite<PerformanceCounter>(ref _queuedWaitAverageBasePerformanceCounter, value, 2);
}
get
{
return _queuedWaitAverageBasePerformanceCounter;
}
}
private PerformanceCounter _queueLengthPerformanceCounter;
[PerformanceCounterTypeAttribute(CounterType = PerformanceCounterType.NumberOfItems64)]
public PerformanceCounter QueueLengthPerformanceCounter
{
private set
{
ReaderWriterLockSlimHelper.TryEnterWriterLockSlimWrite<PerformanceCounter>(ref _queueLengthPerformanceCounter, value, 2);
}
get
{
return _queueLengthPerformanceCounter;
}
}
private PerformanceCounter _dequeueThreadStartPerformanceCounter;
[PerformanceCounterTypeAttribute(CounterType = PerformanceCounterType.NumberOfItems64)]
public PerformanceCounter DequeueThreadStartPerformanceCounter
{
private set
{
ReaderWriterLockSlimHelper.TryEnterWriterLockSlimWrite<PerformanceCounter>(ref _dequeueThreadStartPerformanceCounter, value, 2);
}
get
{
return _dequeueThreadStartPerformanceCounter;
}
}
private PerformanceCounter _dequeueThreadEndPerformanceCounter;
[PerformanceCounterTypeAttribute(CounterType = PerformanceCounterType.NumberOfItems64)]
public PerformanceCounter DequeueThreadEndPerformanceCounter
{
private set
{
ReaderWriterLockSlimHelper.TryEnterWriterLockSlimWrite<PerformanceCounter>(ref _dequeueThreadEndPerformanceCounter, value, 2);
}
get
{
return _dequeueThreadEndPerformanceCounter;
}
}
private PerformanceCounter _dequeueThreadsCountPerformanceCounter;
[PerformanceCounterTypeAttribute(CounterType = PerformanceCounterType.NumberOfItems64)]
public PerformanceCounter DequeueThreadsCountPerformanceCounter
{
private set
{
ReaderWriterLockSlimHelper.TryEnterWriterLockSlimWrite<PerformanceCounter>(ref _dequeueThreadsCountPerformanceCounter, value, 2);
}
get
{
return _dequeueThreadsCountPerformanceCounter;
}
}
#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
)
{
if (!_isAttachedPerformanceCounters)
{
var type = this.GetType();
PerformanceCountersHelper.AttachPerformanceCountersToProperties<PerformanceCountersContainer>(instanceName, categoryName, this);
}
_isAttachedPerformanceCounters = true;
}
}
}
namespace Microshaoft
{
using System;
using System.Diagnostics;
[AttributeUsage(AttributeTargets.Property, AllowMultiple = false, Inherited = false)]
public class PerformanceCounterTypeAttribute : Attribute
{
public PerformanceCounterType CounterType;
}
}
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);
}
var ccdc = new CounterCreationDataCollection();
propertiesList.ForEach
(
(pi) =>
{
var propertyName = pi.Name;
PerformanceCounterTypeAttribute attribute = pi.GetCustomAttributes(false).FirstOrDefault
(
(x) =>
{
return x as PerformanceCounterTypeAttribute != null;
}
) as PerformanceCounterTypeAttribute;
PerformanceCounterType performanceCounterType = (attribute == null ? PerformanceCounterType.NumberOfItems64 : attribute.CounterType);
var ccd = PerformanceCounterHelper.GetCounterCreationData
(
propertyName
, performanceCounterType
);
ccdc.Add(ccd);
}
);
PerformanceCounterCategory.Create
(
category,
string.Format("{0} Category Help.", category),
PerformanceCounterCategoryType.MultiInstance,
ccdc
);
propertiesList.ForEach
(
(pi) =>
{
var propertyName = pi.Name;
var pc = new PerformanceCounter()
{
CategoryName = category
,
CounterName = propertyName
,
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);
}
}
}
);
}
}
}
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.Threading;
public static class GCNotifier
{
public static void CancelForFullGCNotification()
{
GC.CancelFullGCNotification();
}
public static void RegisterForFullGCNotification
(
int maxGenerationThreshold
, int maxLargeObjectHeapThreshold
, int waitOnceSecondsTimeout
, Action<GCNotificationStatus> waitForFullGCApproachProcessAction
, Action<GCNotificationStatus> waitForFullGCCompleteProcessAction
)
{
GC.RegisterForFullGCNotification(maxGenerationThreshold, maxLargeObjectHeapThreshold);
new Thread
(
new ThreadStart
(
() =>
{
while (true)
{
if (waitForFullGCApproachProcessAction != null)
{
var gcNotificationStatus = GC.WaitForFullGCApproach(1000 * waitOnceSecondsTimeout);
if (gcNotificationStatus != GCNotificationStatus.Timeout)
{
waitForFullGCApproachProcessAction(gcNotificationStatus);
}
}
if (waitForFullGCApproachProcessAction != null)
{
var gcNotificationStatus = GC.WaitForFullGCComplete(1000 * waitOnceSecondsTimeout);
if (gcNotificationStatus != GCNotificationStatus.Timeout)
{
waitForFullGCCompleteProcessAction(gcNotificationStatus);
}
}
Thread.Sleep(1000);
}
}
)
).Start();
}
}
}
namespace Microshaoft
{
using System;
using System.Linq;
using System.Linq.Expressions;
public class DynamicPropertyAccessor
{
public static Func<object, object> CreateGetPropertyValueFunc(string typeName, string propertyName, bool isTypeFromAssembly = false)
{
Type type;
if (isTypeFromAssembly)
{
var assembly = AppDomain.CurrentDomain.GetAssemblies().First
(
(a) =>
{
return a.GetTypes().Any
(
(t) =>
{
return (t.FullName == 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 = AppDomain.CurrentDomain.GetAssemblies().First
(
(a) =>
{
return a.GetTypes().Any
(
(t) =>
{
return (t.FullName == 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 = AppDomain.CurrentDomain.GetAssemblies().First
(
(a) =>
{
return a.GetTypes().Any
(
(t) =>
{
return (t.FullName == 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)
{
var property = type.GetProperty(propertyName, typeof(TProperty));
var getPropertyValue = Expression.Property(null, property);
var lambda = Expression.Lambda<Func<TProperty>>(getPropertyValue, null);
return lambda.Compile();
}
public static Func<object> CreateGetStaticPropertyValueFunc(Type type, string propertyName)
{
var property = type.GetProperty(propertyName);
var getPropertyValue = Expression.Property(null, property);
var castPropertyValue = Expression.Convert(getPropertyValue, typeof(object));
var lambda = Expression.Lambda<Func<object>>(castPropertyValue, null);
return lambda.Compile();
}
public static Func<object> CreateGetStaticPropertyValueFunc(string typeName, string propertyName, bool isTypeFromAssembly = false)
{
Type type;
if (isTypeFromAssembly)
{
var assembly = AppDomain.CurrentDomain.GetAssemblies().First
(
(a) =>
{
return a.GetTypes().Any
(
(t) =>
{
return (t.FullName == typeName);
}
);
}
);
type = assembly.GetType(typeName);
}
else
{
type = Type.GetType(typeName);
}
return CreateGetStaticPropertyValueFunc(type, propertyName);
}
public static Action<object, object> CreateSetPropertyValueAction(Type type, string propertyName)
{
var property = type.GetProperty(propertyName);
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);
return lambda.Compile();
}
public static Action<object, object> CreateSetPropertyValueAction(string typeName, string propertyName, bool isTypeFromAssembly = false)
{
Type type;
if (isTypeFromAssembly)
{
var assembly = AppDomain.CurrentDomain.GetAssemblies().First
(
(a) =>
{
return a.GetTypes().Any
(
(t) =>
{
return (t.FullName == 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)
{
var property = type.GetProperty(propertyName);
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);
return Expression.Lambda<Action<object, TProperty>>(call, target, propertyValue).Compile();
}
public static Action<object, TProperty> CreateSetPropertyValueAction<TProperty>(string typeName, string propertyName, bool isTypeFromAssembly = false)
{
Type type;
if (isTypeFromAssembly)
{
var assembly = AppDomain.CurrentDomain.GetAssemblies().First
(
(a) =>
{
return a.GetTypes().Any
(
(t) =>
{
return (t.FullName == typeName);
}
);
}
);
type = assembly.GetType(typeName);
}
else
{
type = Type.GetType(typeName);
}
return CreateSetPropertyValueAction<TProperty>(type, propertyName);
}
public static Action<object> CreateSetStaticPropertyValueAction(Type type, string propertyName)
{
var property = type.GetProperty(propertyName);
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);
return lambda.Compile();
}
public static Action<object> CreateSetStaticPropertyValueAction(string typeName, string propertyName, bool isTypeFromAssembly = false)
{
Type type;
if (isTypeFromAssembly)
{
var assembly = AppDomain.CurrentDomain.GetAssemblies().First
(
(a) =>
{
return a.GetTypes().Any
(
(t) =>
{
return (t.FullName == typeName);
}
);
}
);
type = assembly.GetType(typeName);
}
else
{
type = Type.GetType(typeName);
}
return CreateSetStaticPropertyValueAction(type, propertyName);
}
public static Action<TProperty> CreateSetStaticPropertyValueAction<TProperty>(Type type, string propertyName)
{
var property = type.GetProperty(propertyName);
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);
return lambda.Compile();
}
public static Action<TProperty> CreateSetStaticPropertyValueAction<TProperty>(string typeName, string propertyName, bool isTypeFromAssembly = false)
{
Type type;
if (isTypeFromAssembly)
{
var assembly = AppDomain.CurrentDomain.GetAssemblies().First
(
(a) =>
{
return a.GetTypes().Any
(
(t) =>
{
return (t.FullName == typeName);
}
);
}
);
type = assembly.GetType(typeName);
}
else
{
type = Type.GetType(typeName);
}
return CreateSetStaticPropertyValueAction<TProperty>(type, propertyName);
}
}
}
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