internal PerformanceCounterSampleSet(DateTime timeStamp, PerformanceCounterSample[] counterSamples, bool firstSet) : this()
{
this._timeStamp = timeStamp;
this._counterSamples = counterSamples;
}
public long SetCounterValue(PerformanceCounterSample sample, out bool bUnknownPath)
{
bUnknownPath = false;
string key = sample.Path.ToLower(CultureInfo.InvariantCulture);
if (!this.m_ReloggerPathToHandleAndInstanceMap.ContainsKey(key))
{
bUnknownPath = true;
return 0;
}
PDH_RAW_COUNTER pdh_raw_counter = new PDH_RAW_COUNTER {
FirstValue = (long) sample.RawValue,
SecondValue = (long) sample.SecondValue,
MultiCount = sample.MultipleCount
};
DateTime time2 = new DateTime(sample.Timestamp.Ticks, DateTimeKind.Utc);
pdh_raw_counter.TimeStamp.dwHighDateTime = (int) (((ulong) (time2.ToFileTimeUtc() >> 0x20)) & 0xffffffffL);
DateTime time4 = new DateTime(sample.Timestamp.Ticks, DateTimeKind.Utc);
pdh_raw_counter.TimeStamp.dwLowDateTime = (int) (((ulong) time4.ToFileTimeUtc()) & 0xffffffffL);
pdh_raw_counter.CStatus = sample.Status;
return PdhSetCounterValue(this.m_ReloggerPathToHandleAndInstanceMap[key].hCounter, ref pdh_raw_counter, this.m_ReloggerPathToHandleAndInstanceMap[key].InstanceName);
}
public uint SetCounterValue(PerformanceCounterSample sample, out bool bUnknownPath)
{
Debug.Assert(_hOutputLog != null && !_hOutputLog.IsInvalid);
bUnknownPath = false;
string lcPath = sample.Path.ToLower(CultureInfo.InvariantCulture);
if (!_reloggerPathToHandleAndInstanceMap.ContainsKey(lcPath))
{
bUnknownPath = true;
return 0;
}
PDH_RAW_COUNTER rawStruct = new PDH_RAW_COUNTER();
rawStruct.FirstValue = (long)sample.RawValue;
rawStruct.SecondValue = (long)sample.SecondValue;
rawStruct.MultiCount = sample.MultipleCount;
rawStruct.TimeStamp.dwHighDateTime = (int)((new DateTime(sample.Timestamp.Ticks, DateTimeKind.Utc).ToFileTimeUtc() >> 32) & 0xFFFFFFFFL);
rawStruct.TimeStamp.dwLowDateTime = (int)(new DateTime(sample.Timestamp.Ticks, DateTimeKind.Utc).ToFileTimeUtc() & 0xFFFFFFFFL);
rawStruct.CStatus = sample.Status;
return PdhSetCounterValue(_reloggerPathToHandleAndInstanceMap[lcPath].hCounter,
ref rawStruct, /*PPDH_RAW_COUNTER */
_reloggerPathToHandleAndInstanceMap[lcPath].InstanceName);
}
public long ReadNextSetPreVista(out PerformanceCounterSampleSet nextSet, bool bSkipReading)
{
long num = 0;
nextSet = null;
num = PdhCollectQueryData(this.m_hQuery);
if (bSkipReading)
{
return num;
}
if ((num != 0) && (num != 0x800007d5L))
{
return num;
}
PerformanceCounterSample[] counterSamples = new PerformanceCounterSample[this.m_ConsumerPathToHandleAndInstanceMap.Count];
long num2 = 0;
long num3 = 0;
long num4 = 0;
DateTime now = DateTime.Now;
foreach (string str in this.m_ConsumerPathToHandleAndInstanceMap.Keys)
{
PDH_RAW_COUNTER pdh_raw_counter;
IntPtr lpdwType = new IntPtr(0);
long counterType = 0x40030403;
long defaultScale = 0;
ulong timeBase = 0L;
IntPtr hCounter = this.m_ConsumerPathToHandleAndInstanceMap[str].hCounter;
this.GetCounterInfoPlus(hCounter, out counterType, out defaultScale, out timeBase);
num = PdhGetRawCounterValue(hCounter, out lpdwType, out pdh_raw_counter);
switch (num)
{
case 0xc0000bc6L:
case 0x800007d5L:
counterSamples[num2++] = new PerformanceCounterSample(str, this.m_ConsumerPathToHandleAndInstanceMap[str].InstanceName, 0.0, 0L, 0L, 0, PerformanceCounterType.RawBase, defaultScale, timeBase, DateTime.Now, (ulong) DateTime.Now.ToFileTime(), pdh_raw_counter.CStatus);
num3++;
num4 = num;
break;
default:
{
PDH_FMT_COUNTERVALUE_DOUBLE pdh_fmt_countervalue_double;
if (num != 0)
{
return num;
}
long fileTime = (pdh_raw_counter.TimeStamp.dwHighDateTime << 0x20) + ((long) ((ulong) pdh_raw_counter.TimeStamp.dwLowDateTime));
now = new DateTime(DateTime.FromFileTimeUtc(fileTime).Ticks, DateTimeKind.Local);
num = PdhGetFormattedCounterValue(hCounter, 0x8200, out lpdwType, out pdh_fmt_countervalue_double);
switch (num)
{
case 0xc0000bc6L:
case 0x800007d5L:
{
counterSamples[num2++] = new PerformanceCounterSample(str, this.m_ConsumerPathToHandleAndInstanceMap[str].InstanceName, 0.0, (ulong) pdh_raw_counter.FirstValue, (ulong) pdh_raw_counter.SecondValue, pdh_raw_counter.MultiCount, (PerformanceCounterType) counterType, defaultScale, timeBase, now, (ulong) fileTime, pdh_fmt_countervalue_double.CStatus);
num3++;
num4 = num;
continue;
}
}
if (num != 0)
{
return num;
}
counterSamples[num2++] = new PerformanceCounterSample(str, this.m_ConsumerPathToHandleAndInstanceMap[str].InstanceName, pdh_fmt_countervalue_double.doubleValue, (ulong) pdh_raw_counter.FirstValue, (ulong) pdh_raw_counter.SecondValue, pdh_raw_counter.MultiCount, (PerformanceCounterType) lpdwType.ToInt32(), defaultScale, timeBase, now, (ulong) fileTime, pdh_fmt_countervalue_double.CStatus);
break;
}
}
}
nextSet = new PerformanceCounterSampleSet(now, counterSamples, this.m_firstReading);
this.m_firstReading = false;
if (num3 == counterSamples.Length)
{
return num4;
}
return 0;
}
public uint ReadNextSet(out PerformanceCounterSampleSet nextSet, bool bSkipReading)
{
Debug.Assert(_hQuery != null && !_hQuery.IsInvalid);
if (_isPreVista)
{
return ReadNextSetPreVista(out nextSet, bSkipReading);
}
uint res = 0;
nextSet = null;
Int64 batchTimeStampFT = 0;
res = PdhCollectQueryDataWithTime(_hQuery, ref batchTimeStampFT);
if (bSkipReading)
{
return res;
}
if (res != 0 && res != PdhResults.PDH_NO_DATA)
{
return res;
}
//
// NOTE: PDH returns the filetime as local time, therefore
// we need to call FromFileTimUtc() to avoid .NET applying the timezone adjustment.
// However, that would result in the DateTime object having Kind.Utc.
// We have to copy it once more to correct that (Kind is a read-only property).
//
DateTime batchStamp = DateTime.Now;
if (res != PdhResults.PDH_NO_DATA)
{
batchStamp = new DateTime(DateTime.FromFileTimeUtc(batchTimeStampFT).Ticks, DateTimeKind.Local);
}
PerformanceCounterSample[] samplesArr = new PerformanceCounterSample[_consumerPathToHandleAndInstanceMap.Count];
uint sampleIndex = 0;
uint numInvalidDataSamples = 0;
uint lastErr = 0;
foreach (string path in _consumerPathToHandleAndInstanceMap.Keys)
{
IntPtr counterTypePtr = new IntPtr(0);
UInt32 counterType = (UInt32)PerformanceCounterType.RawBase;
UInt32 defaultScale = 0;
UInt64 timeBase = 0;
IntPtr hCounter = _consumerPathToHandleAndInstanceMap[path].hCounter;
Debug.Assert(hCounter != null);
res = GetCounterInfoPlus(hCounter, out counterType, out defaultScale, out timeBase);
if (res != 0)
{
//Console.WriteLine ("GetCounterInfoPlus for " + path + " failed with " + res);
}
PDH_RAW_COUNTER rawValue;
res = PdhGetRawCounterValue(hCounter, out counterTypePtr, out rawValue);
if (res != 0)
{
samplesArr[sampleIndex++] = new PerformanceCounterSample(path,
_consumerPathToHandleAndInstanceMap[path].InstanceName,
0,
(ulong)0,
(ulong)0,
0,
PerformanceCounterType.RawBase,
defaultScale,
timeBase,
batchStamp,
(UInt64)batchStamp.ToFileTime(),
(rawValue.CStatus == 0) ? res : rawValue.CStatus);
numInvalidDataSamples++;
lastErr = res;
continue;
}
long dtFT = (((long)rawValue.TimeStamp.dwHighDateTime) << 32) +
(uint)rawValue.TimeStamp.dwLowDateTime;
DateTime dt = new DateTime(DateTime.FromFileTimeUtc(dtFT).Ticks, DateTimeKind.Local);
PDH_FMT_COUNTERVALUE_DOUBLE fmtValueDouble;
res = PdhGetFormattedCounterValue(hCounter,
PdhFormat.PDH_FMT_DOUBLE | PdhFormat.PDH_FMT_NOCAP100,
out counterTypePtr,
out fmtValueDouble);
if (res != 0)
{
samplesArr[sampleIndex++] = new PerformanceCounterSample(path,
_consumerPathToHandleAndInstanceMap[path].InstanceName,
0,
(ulong)rawValue.FirstValue,
(ulong)rawValue.SecondValue,
rawValue.MultiCount,
(PerformanceCounterType)counterType,
defaultScale,
timeBase,
dt,
(UInt64)dtFT,
(fmtValueDouble.CStatus == 0) ? res : rawValue.CStatus);
numInvalidDataSamples++;
lastErr = res;
continue;
}
samplesArr[sampleIndex++] = new PerformanceCounterSample(path,
_consumerPathToHandleAndInstanceMap[path].InstanceName,
fmtValueDouble.doubleValue,
(ulong)rawValue.FirstValue,
(ulong)rawValue.SecondValue,
rawValue.MultiCount,
(PerformanceCounterType)counterTypePtr.ToInt32(),
defaultScale,
timeBase,
dt,
(UInt64)dtFT,
fmtValueDouble.CStatus);
}
nextSet = new PerformanceCounterSampleSet(batchStamp, samplesArr, _firstReading);
_firstReading = false;
if (numInvalidDataSamples == samplesArr.Length)
{
res = lastErr;
}
else
{
//
// Reset the error - any errors are saved per sample in PerformanceCounterSample.Status for kvetching later
//
res = 0;
}
return res;
}
