private WaitCallback SaveVisitData(EventWaitHandle queueMgmt)
{
return(state =>
{
while (true)
{
byte[] data;
while (!_messageQueue.TryDequeue(out data))
{
ThreadHelper.YieldOrSleep(100);
}
_perfCounters.CurrentMemoryQueueSize = _messageQueue.Count;
_perfCounters.IncrementBlocksReceived();
if (data.Length == 0)
{
_communicationManager.Complete();
queueMgmt.Set();
return;
}
_persistance.SaveVisitData(data);
}
});
}
public void CanSetAndReset_QueueThroughput()
{
var counter = new PerformanceCounter(CategoryName, QueueThroughput);
// arrange
_counters.IncrementBlocksReceived();
Assert.AreEqual(1, counter.RawValue);
// act
_counters.ResetCounters();
// assert
Assert.AreEqual(0, counter.RawValue);
}
public void RunProcess(Action <Action <StringDictionary> > process, bool isService)
{
var key = Guid.NewGuid().GetHashCode().ToString("X");
var processMgmt = new AutoResetEvent(false);
var queueMgmt = new AutoResetEvent(false);
var environmentKeyRead = new AutoResetEvent(false);
var handles = new List <WaitHandle> {
processMgmt
};
string @namespace = isService ? "Global" : "Local";
_memoryManager.Initialise(@namespace, key);
_messageQueue = new ConcurrentQueue <byte[]>();
using (_mcb = new MemoryManager.ManagedCommunicationBlock(@namespace, key, maxMsgSize, -1))
{
handles.Add(_mcb.ProfilerRequestsInformation);
ThreadPool.QueueUserWorkItem((state) =>
{
try
{
process(dictionary =>
{
if (dictionary == null)
{
return;
}
dictionary[@"OpenCover_Profiler_Key"] = key;
dictionary[@"OpenCover_Profiler_Namespace"] = @namespace;
dictionary[@"OpenCover_Profiler_Threshold"] = _commandLine.Threshold.ToString(CultureInfo.InvariantCulture);
if (_commandLine.TraceByTest)
{
dictionary[@"OpenCover_Profiler_TraceByTest"] = "1";
}
dictionary["Cor_Profiler"] = "{1542C21D-80C3-45E6-A56C-A9C1E4BEB7B8}";
dictionary["Cor_Enable_Profiling"] = "1";
dictionary["CoreClr_Profiler"] = "{1542C21D-80C3-45E6-A56C-A9C1E4BEB7B8}";
dictionary["CoreClr_Enable_Profiling"] = "1";
if (_commandLine.Registration == Registration.Path32)
{
dictionary["Cor_Profiler_Path"] = ProfilerRegistration.GetProfilerPath(false);
}
if (_commandLine.Registration == Registration.Path64)
{
dictionary["Cor_Profiler_Path"] = ProfilerRegistration.GetProfilerPath(true);
}
environmentKeyRead.Set();
});
}
finally
{
processMgmt.Set();
}
});
ThreadPool.QueueUserWorkItem((state) =>
{
while (true)
{
//// use this block to introduce a delay in to the queue processing
//if (_messageQueue.Count < 100)
// Thread.Sleep(10);
byte[] data;
while (!_messageQueue.TryDequeue(out data))
{
Thread.Yield();
}
_perfCounters.CurrentMemoryQueueSize = _messageQueue.Count;
_perfCounters.IncrementBlocksReceived();
if (data.Length == 0)
{
_communicationManager.Complete();
queueMgmt.Set();
return;
}
_persistance.SaveVisitData(data);
}
});
// wait for the environment key to be read
if (WaitHandle.WaitAny(new WaitHandle[] { environmentKeyRead }, new TimeSpan(0, 0, 0, 10)) != -1)
{
ProcessMessages(handles);
queueMgmt.WaitOne();
}
}
}