611 lines
15 KiB
C++
611 lines
15 KiB
C++
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/*++
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Copyright (C) 1997-2001 Microsoft Corporation
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Module Name:
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Abstract:
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History:
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--*/
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//***************************************************************************
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//
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// PERFCLNT.CPP
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//
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// WBEM perf counter client sample
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//
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// raymcc 17-Dec-97 Created.
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//
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//***************************************************************************
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#define _WIN32_WINNT 0x0400
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#include "precomp.h"
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#include <stdio.h>
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#include <locale.h>
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#include <wbemidl.h>
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#include <wbemint.h>
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#include "refresh.h"
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//***************************************************************************
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//
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// Prototypes of internally used functions
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//
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//***************************************************************************
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BOOL Startup(OUT IWbemServices **pRetSvc);
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void Menu(IN IWbemServices *pSvc);
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void MenuEnumClasses(IN IWbemServices *pSvc);
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void MenuEnumInstances(IN IWbemServices *pSvc);
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void MenuCreateRefresher();
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void MenuDeleteRefresher();
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void MenuAddObjectsToRefresher(IN IWbemServices *pSvc);
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void MenuRemoveObjectsFromRefresher();
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void MenuShowObjectList();
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void MenuRefresh();
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void MenuDumpObject();
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void TightRefreshLoop();
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void AddALotOfObjects(IWbemServices *pSvc);
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//***************************************************************************
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//
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// main
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//
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//***************************************************************************
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void main()
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{
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printf("---WBEM Perf Sample Client---\n");
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// Start up by connecting to WBEM.
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// ===============================
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IWbemServices *pSvc = 0;
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BOOL bRes = Startup(&pSvc);
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if (bRes == FALSE)
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{
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printf("Unable to start. Terminating\n");
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return;
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}
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// If here, we are operational.
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// ============================
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Menu(pSvc);
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// Cleanup.
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// ========
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DestroyRefresher();
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pSvc->Release();
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CoUninitialize();
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}
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//***************************************************************************
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//
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// Menu
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//
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//***************************************************************************
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void Menu(IN IWbemServices *pSvc)
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{
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while (1)
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{
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printf(
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"\n\n-----------------------------\n"
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"99....Quit\n"
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"1.....Enumerate classes\n"
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"2.....Enumerate instances\n"
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"3.....Create the refresher\n"
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"4.....Delete the refresher\n"
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"5.....Add objects to the refresher\n"
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"6.....Remove objects from the refresher\n"
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"7.....Refresh!\n"
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"8.....Execute tight test loop against the refresher\n"
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"9.....List objects in the refresher\n"
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"10....Dump an object\n"
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"11....Add a lot of objects to the refresher\n"
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">"
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);
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char buf[32];
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int nChoice = atoi(gets(buf));
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switch (nChoice)
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{
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case 99: return;
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case 1: MenuEnumClasses(pSvc); break;
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case 2: MenuEnumInstances(pSvc); break;
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case 3: MenuCreateRefresher(); break;
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case 4: MenuDeleteRefresher(); break;
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case 5: MenuAddObjectsToRefresher(pSvc); break;
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case 6: MenuRemoveObjectsFromRefresher(); break;
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case 7: MenuRefresh(); break;
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case 8: TightRefreshLoop(); break;
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case 9: MenuShowObjectList(); break;
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case 10: MenuDumpObject(); break;
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case 11: AddALotOfObjects(pSvc); break;
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}
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}
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}
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//***************************************************************************
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//
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// Startup
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//
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// Logs in to WBEM and returns an active IWbemServices pointer.
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//
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//***************************************************************************
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BOOL Startup(OUT IWbemServices **pRetSvc)
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{
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CoInitializeEx(0, COINIT_MULTITHREADED);
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printf("Locale info = %s\n", setlocale(LC_ALL, ""));
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*pRetSvc = 0;
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// Try to bring up the locator.
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// ============================
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IWbemLocator *pLoc = 0;
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DWORD dwRes = CoCreateInstance(CLSID_WbemLocator, 0, CLSCTX_INPROC_SERVER,
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IID_IWbemLocator, (LPVOID *) &pLoc);
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if (dwRes != S_OK)
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{
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printf("Failed to create IWbemLocator object.\n");
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CoUninitialize();
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return FALSE;
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}
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// Connect.
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// ========
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IWbemServices *pSvc = 0;
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BSTR Ns = SysAllocString(L"\\\\.\\ROOT\\DEFAULT");
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HRESULT hRes = pLoc->ConnectServer(
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Ns, // NT perf data namespace
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NULL, // User
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NULL, // Password
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0, // Locale
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0, // Authentication type
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0, // Authority
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0, // Context
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&pSvc
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);
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SysFreeString(Ns);
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if (hRes)
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{
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printf("Could not connect. Error code = 0x%X\n", hRes);
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CoUninitialize();
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return FALSE;
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}
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pLoc->Release(); // Don't need the locator any more.
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// Return pointer to user.
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// =======================
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*pRetSvc = pSvc;
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return TRUE;
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}
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//***************************************************************************
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//
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// EnumClasses
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//
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// Enumerates all the available classes, showing only perf-related classes
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// (filtering out WBEM-specific classes).
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//
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//***************************************************************************
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void MenuEnumClasses(IN IWbemServices *pSvc)
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{
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IEnumWbemClassObject *pEnum = 0;
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HRESULT hRes = pSvc->CreateClassEnum(
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NULL,
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WBEM_FLAG_DEEP,
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NULL,
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&pEnum
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);
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if (hRes != WBEM_NO_ERROR)
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{
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printf("Failed to create enumerator\n");
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return;
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}
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// If here, we can show all the available classes.
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// ===============================================
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ULONG uTotalClasses = 0;
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ULONG uTotalPerfClasses = 0;
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for (;;)
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{
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// Ask for the classes one at a time.
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// ==================================
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IWbemClassObject *pObj = 0;
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ULONG uReturned = 0;
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hRes = pEnum->Next(
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0, // timeout
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1, // Ask for one object
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&pObj,
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&uReturned
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);
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uTotalClasses += uReturned;
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if (uReturned == 0)
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break;
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// See whether the class is perf-related or not by
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// checking for the "perf" qualifier on the class def.
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// ===================================================
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IWbemQualifierSet *pQSet = 0;
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pObj->GetQualifierSet(&pQSet);
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BSTR TargetQualifier = SysAllocString(L"perf");
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HRESULT hRes = pQSet->Get(TargetQualifier, 0, 0, 0);
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SysFreeString(TargetQualifier);
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if (hRes == WBEM_E_NOT_FOUND)
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{
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// Must be a WBEM class and not a perf class, so skip it.
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// ======================================================
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pObj->Release();
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continue; // Back to top of the forever loop
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}
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uTotalPerfClasses++;
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// Get the class name.
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// ===================
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VARIANT v;
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VariantInit(&v);
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BSTR PropName = SysAllocString(L"__CLASS");
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pObj->Get(PropName, 0, &v, 0, 0);
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printf("Retrieved perf class %S\n", V_BSTR(&v));
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SysFreeString(PropName);
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// Done with this object.
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// ======================
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pObj->Release();
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}
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// Cleanup.
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// ========
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pEnum->Release();
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printf("A total of %u WBEM classes and %u Perf Classes were retrieved\n",
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uTotalClasses,
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uTotalPerfClasses
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);
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}
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//***************************************************************************
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//
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// MenuEnumInstances
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//
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// Enumerates available instances for a given class.
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//
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//***************************************************************************
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void MenuEnumInstances(IWbemServices *pSvc)
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{
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wchar_t ClassName[128];
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printf("Enter class name:\n");
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_getws(ClassName);
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BSTR bstrClassName = SysAllocString(ClassName);
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IEnumWbemClassObject *pEnum = 0;
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HRESULT hRes = pSvc->CreateInstanceEnum(
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bstrClassName,
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WBEM_FLAG_DEEP,
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NULL,
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&pEnum
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);
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SysFreeString(bstrClassName);
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if (hRes != WBEM_NO_ERROR)
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{
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printf("Failed to create enumerator. Error code = 0x%X\n", hRes);
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return;
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}
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// If here, we can show all the available instances.
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// =================================================
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ULONG uTotalInstances = 0;
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for (;;)
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{
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// Ask for the classes one at a time.
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// ==================================
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IWbemClassObject *pObj = 0;
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ULONG uReturned = 0;
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hRes = pEnum->Next(
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0, // timeout
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1, // Ask for one object
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&pObj,
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&uReturned
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);
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uTotalInstances += uReturned;
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if (uReturned == 0)
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break;
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// Get the path so that we can identify the object.
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// ================================================
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VARIANT v;
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VariantInit(&v);
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BSTR Path = SysAllocString(L"__RELPATH");
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pObj->Get(Path, 0, &v, 0, 0);
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printf("Object = %S\n", V_BSTR(&v));
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VariantClear(&v);
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SysFreeString(Path);
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// Done with this object.
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// ======================
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pObj->Release();
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}
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// Cleanup.
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// ========
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pEnum->Release();
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printf("A total of %u instances were retrieved\n", uTotalInstances);
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}
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//***************************************************************************
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//
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// MenuCreateRefresher
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//
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// Creates the refresher for this sample.
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//
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//***************************************************************************
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void MenuCreateRefresher()
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{
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BOOL bRes = CreateRefresher();
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if (bRes == TRUE)
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printf("New refresher created.\n");
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else
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printf("Refresher failed to create\n");
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}
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//***************************************************************************
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//
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// MenuDeleteRefresher
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//
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// Deletes the refresher for this sample.
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//
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//***************************************************************************
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void MenuDeleteRefresher()
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{
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BOOL bRes = DestroyRefresher();
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if (bRes)
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printf("Success\n");
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else
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printf("Failed\n");
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}
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//***************************************************************************
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//
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// MenuAddObjectsToRefresher
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//
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// Adds arbitrary objects to the refresher.
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//
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//***************************************************************************
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void MenuAddObjectsToRefresher(IWbemServices *pSvc)
|
||
|
|
{
|
||
|
|
wchar_t ObjPath[256];
|
||
|
|
|
||
|
|
printf("Enter object path:");
|
||
|
|
_getws(ObjPath);
|
||
|
|
|
||
|
|
BOOL bRes = AddObject(pSvc, ObjPath);
|
||
|
|
|
||
|
|
if (bRes == FALSE)
|
||
|
|
{
|
||
|
|
printf("Failed to add object\n");
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
printf("Added object successfully\n");
|
||
|
|
}
|
||
|
|
|
||
|
|
//***************************************************************************
|
||
|
|
//
|
||
|
|
// MenuRemoveObjectsFromRefresher
|
||
|
|
//
|
||
|
|
// Removes a selected object from the refresher.
|
||
|
|
//
|
||
|
|
//***************************************************************************
|
||
|
|
|
||
|
|
void MenuRemoveObjectsFromRefresher()
|
||
|
|
{
|
||
|
|
char buf[32];
|
||
|
|
|
||
|
|
printf("Enter object id to remove:");
|
||
|
|
LONG lObjId = atol(gets(buf));
|
||
|
|
|
||
|
|
BOOL bRes = RemoveObject(lObjId);
|
||
|
|
|
||
|
|
if (bRes)
|
||
|
|
printf("Success\n");
|
||
|
|
else
|
||
|
|
printf("Failed to remove object\n");
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//***************************************************************************
|
||
|
|
//
|
||
|
|
// MenuRefresh
|
||
|
|
//
|
||
|
|
// Executes a single refresh, which refreshes all the objects in the
|
||
|
|
// refresher.
|
||
|
|
//
|
||
|
|
//***************************************************************************
|
||
|
|
|
||
|
|
void MenuRefresh()
|
||
|
|
{
|
||
|
|
BOOL bRes = Refresh();
|
||
|
|
if (bRes)
|
||
|
|
printf("Sucess\n");
|
||
|
|
else
|
||
|
|
printf("Failed\n");
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//***************************************************************************
|
||
|
|
//
|
||
|
|
// MenuShowObjectList
|
||
|
|
//
|
||
|
|
// Shows the paths of all the objects in the refresher.
|
||
|
|
//
|
||
|
|
//***************************************************************************
|
||
|
|
|
||
|
|
void MenuShowObjectList()
|
||
|
|
{
|
||
|
|
ShowObjectList();
|
||
|
|
}
|
||
|
|
|
||
|
|
//***************************************************************************
|
||
|
|
//
|
||
|
|
// MenuDumpObject
|
||
|
|
//
|
||
|
|
// Given an ID, dumps that object to the screen.
|
||
|
|
//
|
||
|
|
//***************************************************************************
|
||
|
|
|
||
|
|
void MenuDumpObject()
|
||
|
|
{
|
||
|
|
char buf[32];
|
||
|
|
|
||
|
|
printf("Enter object id to dump:\n");
|
||
|
|
LONG lObjId = atol(gets(buf));
|
||
|
|
|
||
|
|
|
||
|
|
BOOL bRes = DumpObjectById(lObjId);
|
||
|
|
|
||
|
|
if (bRes)
|
||
|
|
printf("Success\n");
|
||
|
|
else
|
||
|
|
printf("Failed to locate and dump object\n");
|
||
|
|
}
|
||
|
|
|
||
|
|
//***************************************************************************
|
||
|
|
//
|
||
|
|
// TightRefreshLoop
|
||
|
|
//
|
||
|
|
// Executes a tight refresh loop with user-specified iterations and
|
||
|
|
// Sleep time in between iterations. Used to check performance during
|
||
|
|
// refresh execution.
|
||
|
|
//
|
||
|
|
//***************************************************************************
|
||
|
|
|
||
|
|
void TightRefreshLoop()
|
||
|
|
{
|
||
|
|
char buf[32];
|
||
|
|
LONG lSleep = 0;
|
||
|
|
int nIterations = 0;
|
||
|
|
|
||
|
|
printf("Enter total number of iterations:");
|
||
|
|
nIterations = atoi(gets(buf));
|
||
|
|
printf("Enter Sleep() time between iterations:");
|
||
|
|
lSleep = atol(gets(buf));
|
||
|
|
|
||
|
|
DWORD dwStart = GetCurrentTime();
|
||
|
|
|
||
|
|
for (int i = 0; i < nIterations; i++)
|
||
|
|
{
|
||
|
|
Refresh();
|
||
|
|
if (lSleep)
|
||
|
|
Sleep(lSleep);
|
||
|
|
}
|
||
|
|
|
||
|
|
DWORD dwElapsed = GetCurrentTime() - dwStart;
|
||
|
|
|
||
|
|
printf("Elapsed time = %d milliseconds\n", dwElapsed);
|
||
|
|
}
|
||
|
|
|
||
|
|
//***************************************************************************
|
||
|
|
//
|
||
|
|
// AddALotOfObjects
|
||
|
|
//
|
||
|
|
// Adds a bunch of copies of the same object to the refresher. This
|
||
|
|
// helps to quickly simulate a load, since it is as difficult to refresh
|
||
|
|
// 10 copies of the same object as to refresh 10 different objects.
|
||
|
|
//
|
||
|
|
//***************************************************************************
|
||
|
|
|
||
|
|
void AddALotOfObjects(IWbemServices *pSvc)
|
||
|
|
{
|
||
|
|
printf("Adding many copies of the same object to the refresher to simulate a load.\n");
|
||
|
|
|
||
|
|
wchar_t ObjPath[256];
|
||
|
|
|
||
|
|
printf("Enter object path:");
|
||
|
|
_getws(ObjPath);
|
||
|
|
|
||
|
|
char buf[32];
|
||
|
|
printf("Number of copies:");
|
||
|
|
int nNumObjects = atoi(gets(buf));
|
||
|
|
|
||
|
|
for (int i = 0; i < nNumObjects; i++)
|
||
|
|
{
|
||
|
|
BOOL bRes = AddObject(pSvc, ObjPath);
|
||
|
|
|
||
|
|
if (bRes == FALSE)
|
||
|
|
{
|
||
|
|
printf("Failed to add object\n");
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
printf("Added objects successfully\n");
|
||
|
|
}
|