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PerfMon.dll: Updated to new API
This commit is contained in:
Birunthan Mohanathas
parent
f51f2aac24
commit
51cddb00f8
@ -17,179 +17,108 @@
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*/
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#include <windows.h>
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#include "PerfData.h"
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#include <string>
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#include <map>
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#include <crtdbg.h>
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#include "../../Library/Export.h" // Rainmeter's exported functions
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#include <vector>
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#include "Titledb.h"
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#include "PerfSnap.h"
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#include "PerfObj.h"
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#include "PerfCntr.h"
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#include "ObjList.h"
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#include "ObjInst.h"
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#include "../API/RainmeterAPI.h"
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#include "../../Library/RawString.h"
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#include "../../Library/DisableThreadLibraryCalls.h" // contains DllMain entry point
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struct MeasureData
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{
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CRawString objectName;
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CRawString counterName;
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CRawString instanceName;
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ULONGLONG oldValue;
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bool difference;
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bool firstTime;
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};
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ULONGLONG GetPerfData(PCTSTR ObjectName, PCTSTR InstanceName, PCTSTR CounterName);
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struct PerfMeasure
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PLUGIN_EXPORT void Initialize(void** data, void* rm)
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{
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std::wstring ObjectName;
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std::wstring CounterName;
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std::wstring InstanceName;
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bool Difference;
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ULONGLONG OldValue;
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bool FirstTime;
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};
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static CPerfTitleDatabase g_CounterTitles( PERF_TITLE_COUNTER );
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static std::map<UINT, PerfMeasure*> g_Measures;
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/*
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This function is called when the measure is initialized.
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The function must return the maximum value that can be measured.
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The return value can also be 0, which means that Rainmeter will
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track the maximum value automatically. The parameters for this
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function are:
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instance The instance of this DLL
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iniFile The name of the ini-file (usually Rainmeter.ini)
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section The name of the section in the ini-file for this measure
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id The identifier for the measure. This is used to identify the measures that use the same plugin.
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*/
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UINT Initialize(HMODULE instance, LPCTSTR iniFile, LPCTSTR section, UINT id)
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{
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PerfMeasure* measure = new PerfMeasure;
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measure->Difference = false;
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measure->FirstTime = true;
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measure->OldValue = 0;
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LPCTSTR buffer = ReadConfigString(section, L"PerfMonObject", L"");
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if (buffer)
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{
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measure->ObjectName = buffer;
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}
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buffer = ReadConfigString(section, L"PerfMonCounter", L"");
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if (buffer)
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{
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measure->CounterName = buffer;
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}
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buffer = ReadConfigString(section, L"PerfMonInstance", L"");
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if (buffer)
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{
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measure->InstanceName = buffer;
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}
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buffer = ReadConfigString(section, L"PerfMonDifference", L"1");
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if (buffer)
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{
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measure->Difference = 1==_wtoi(buffer);
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}
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// Store the measure
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g_Measures[id] = measure;
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int maxVal = 0;
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buffer = ReadConfigString(section, L"PerfMonMaxValue", L"0");
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if (buffer)
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{
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maxVal = _wtoi(buffer);
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}
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return maxVal;
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MeasureData* measure = new MeasureData;
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*data = measure;
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}
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/*
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This function is called when new value should be measured.
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The function returns the new value.
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*/
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double Update2(UINT id)
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PLUGIN_EXPORT void Reload(void* data, void* rm, double* maxValue)
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{
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MeasureData* measure = (MeasureData*)data;
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measure->objectName = RmReadString(rm, L"PerfMonObject", L"");
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measure->counterName = RmReadString(rm, L"PerfMonCounter", L"");
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measure->instanceName = RmReadString(rm, L"PerfMonInstance", L"");
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measure->difference = RmReadInt(rm, L"PerfMonDifference", 1) == 1;
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}
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PLUGIN_EXPORT double Update(void* data)
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{
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MeasureData* measure = (MeasureData*)data;
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double value = 0;
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std::map<UINT, PerfMeasure*>::iterator i = g_Measures.find(id);
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if (i != g_Measures.end())
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{
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PerfMeasure* measure = (*i).second;
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ULONGLONG longValue = GetPerfData(
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measure->objectName.c_str(),
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measure->instanceName.c_str(),
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measure->counterName.c_str());
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if (measure)
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{
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ULONGLONG longvalue;
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longvalue = GetPerfData(measure->ObjectName.c_str(),
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measure->InstanceName.c_str(),
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measure->CounterName.c_str());
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if (measure->Difference)
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if (measure->difference)
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{
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// Compare with the old value
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if (!measure->FirstTime)
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if (!measure->firstTime)
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{
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value = (double)(longvalue - measure->OldValue);
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value = (double)(longValue - measure->oldValue);
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}
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measure->OldValue = longvalue;
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measure->FirstTime = false;
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measure->oldValue = longValue;
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measure->firstTime = false;
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}
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else
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{
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value = (double)longvalue;
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}
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}
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value = (double)longValue;
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}
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return value;
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}
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/*
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If the measure needs to free resources before quitting.
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The plugin can export Finalize function, which is called
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when Rainmeter quits (or refreshes).
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*/
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void Finalize(HMODULE instance, UINT id)
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PLUGIN_EXPORT void Finalize(void* data)
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{
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// delete the measure
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std::map<UINT, PerfMeasure*>::iterator i = g_Measures.find(id);
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if (i != g_Measures.end())
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{
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delete (*i).second;
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g_Measures.erase(i);
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}
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MeasureData* measure = (MeasureData*)data;
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delete measure;
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CPerfSnapshot::CleanUp();
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}
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/*
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This method gets value of the given perfmon counter.
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*/
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ULONGLONG GetPerfData(PCTSTR ObjectName, PCTSTR InstanceName, PCTSTR CounterName)
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ULONGLONG GetPerfData(LPCWSTR objectName, LPCWSTR instanceName, LPCWSTR counterName)
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{
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CPerfObject* pPerfObj;
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CPerfObjectInstance* pObjInst;
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CPerfCounter* pPerfCntr;
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static CPerfTitleDatabase s_CounterTitles(PERF_TITLE_COUNTER);
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BYTE data[256];
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WCHAR name[256];
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ULONGLONG value = 0;
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if (ObjectName == NULL || CounterName == NULL || wcslen(ObjectName) == 0 || wcslen(CounterName) == 0)
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{
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// Unable to continue
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return 0;
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}
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CPerfSnapshot snapshot(&s_CounterTitles);
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CPerfObjectList objList(&snapshot, &s_CounterTitles);
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CPerfSnapshot snapshot(&g_CounterTitles);
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CPerfObjectList objList(&snapshot, &g_CounterTitles);
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if (snapshot.TakeSnapshot(ObjectName))
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if (snapshot.TakeSnapshot(objectName))
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{
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pPerfObj = objList.GetPerfObject(ObjectName);
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CPerfObject* pPerfObj = objList.GetPerfObject(objectName);
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if (pPerfObj)
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{
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for (pObjInst = pPerfObj->GetFirstObjectInstance();
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for (CPerfObjectInstance* pObjInst = pPerfObj->GetFirstObjectInstance();
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pObjInst != NULL;
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pObjInst = pPerfObj->GetNextObjectInstance())
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{
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if (InstanceName != NULL && wcslen(InstanceName) > 0)
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if (*instanceName)
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{
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if (pObjInst->GetObjectInstanceName(name, 256))
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{
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if (_wcsicmp(InstanceName, name) != 0)
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if (_wcsicmp(instanceName, name) != 0)
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{
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delete pObjInst;
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continue;
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@ -202,7 +131,7 @@ ULONGLONG GetPerfData(PCTSTR ObjectName, PCTSTR InstanceName, PCTSTR CounterName
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}
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}
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pPerfCntr = pObjInst->GetCounterByName(CounterName);
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CPerfCounter* pPerfCntr = pObjInst->GetCounterByName(counterName);
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if (pPerfCntr != NULL)
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{
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pPerfCntr->GetData(data, 256, NULL);
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@ -228,23 +157,13 @@ ULONGLONG GetPerfData(PCTSTR ObjectName, PCTSTR InstanceName, PCTSTR CounterName
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delete pObjInst;
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break; // No need to continue
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}
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delete pObjInst;
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}
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delete pPerfObj;
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}
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}
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return value;
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}
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UINT GetPluginVersion()
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{
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return 1002;
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}
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LPCTSTR GetPluginAuthor()
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{
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return L"Rainy (rainy@iki.fi)";
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}
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