395 lines
10 KiB
C++
395 lines
10 KiB
C++
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// dphcidlg.cpp : implementation file
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//
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#include <tchar.h>
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#include "stdafx.h"
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#include "DPH_TEST.h"
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#include "dphcidlg.h"
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#ifdef _DEBUG
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#undef THIS_FILE
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static char BASED_CODE THIS_FILE[] = __FILE__;
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#endif
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#define LODWORD(x) ((DWORD)((x) & 0x00000000FFFFFFFF))
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#define HIDWORD(x) ((DWORD)(((x)>>32) & 0x00000000FFFFFFFF))
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/////////////////////////////////////////////////////////////////////////////
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// CDphCounterInfoDlg dialog
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CDphCounterInfoDlg::CDphCounterInfoDlg(CWnd* pParent /*=NULL*/,
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HCOUNTER hCounterArg /*=NULL*/,
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HQUERY hQueryArg /*=NULL*/)
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: CDialog(CDphCounterInfoDlg::IDD, pParent)
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{
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//{{AFX_DATA_INIT(CDphCounterInfoDlg)
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// NOTE: the ClassWizard will add member initialization here
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//}}AFX_DATA_INIT
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// save this counter's handle for updates
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hCounter = hCounterArg;
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hQuery = hQueryArg;
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// init the timer variables
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nTimerId = 0;
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bTimerRunning = FALSE;
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bGetDefinitions = TRUE;
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// clear the statistical data buffer
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memset (RawDataArray, 0, sizeof(RawDataArray));
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dwFirstIndex = 0;
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dwNextIndex = 0;
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dwItemsUsed = 0;
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}
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void CDphCounterInfoDlg::DoDataExchange(CDataExchange* pDX)
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{
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CDialog::DoDataExchange(pDX);
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//{{AFX_DATA_MAP(CDphCounterInfoDlg)
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// NOTE: the ClassWizard will add DDX and DDV calls here
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//}}AFX_DATA_MAP
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}
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BEGIN_MESSAGE_MAP(CDphCounterInfoDlg, CDialog)
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//{{AFX_MSG_MAP(CDphCounterInfoDlg)
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ON_BN_CLICKED(IDC_GET_NEW_DATA, OnGetNewData)
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ON_BN_CLICKED(IDC_1SEC_BTN, On1secBtn)
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ON_WM_TIMER()
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ON_WM_DESTROY()
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//}}AFX_MSG_MAP
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END_MESSAGE_MAP()
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/////////////////////////////////////////////////////////////////////////////
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// CDphCounterInfoDlg message handlers
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BOOL CDphCounterInfoDlg::OnInitDialog()
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{
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CDialog::OnInitDialog();
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OnGetNewData();
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SetDefID (IDC_GET_NEW_DATA);
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// set button text to reflect current state
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SetDlgItemText (IDC_1SEC_BTN, TEXT("&Start Timer"));
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// clear statistics display
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SetDlgItemText (IDC_CI_DATA_POINTS, TEXT(""));
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SetDlgItemText (IDC_CI_AVERAGE_VALUE, TEXT(""));
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SetDlgItemText (IDC_CI_MIN_VALUE, TEXT(""));
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SetDlgItemText (IDC_CI_MAX_VALUE, TEXT(""));
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return FALSE; // return TRUE unless you set the focus to a control
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// EXCEPTION: OCX Property Pages should return FALSE
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}
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void CDphCounterInfoDlg::OnGetNewData()
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{
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PPDH_COUNTER_INFO pciData;
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PDH_RAW_COUNTER RawData;
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PDH_STATUS Status;
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DWORD dwCounterType;
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DWORD dwBufLen = 4096;
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LPTSTR szTextBuffer;
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PDH_FMT_COUNTERVALUE dfValue;
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double dValue;
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LONGLONG llValue;
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LONG lValue;
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SYSTEMTIME stTimeStamp;
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pciData = (PPDH_COUNTER_INFO)new char[dwBufLen];
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szTextBuffer = new TCHAR[dwBufLen];
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if ((pciData == NULL) || (szTextBuffer == NULL)) {
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Status = ERROR_OUTOFMEMORY;
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} else {
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Status = ERROR_SUCCESS;
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}
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if (Status == ERROR_SUCCESS) {
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Status = PdhCollectQueryData (hQuery);
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if (Status == PDH_NO_MORE_DATA) {
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if (bTimerRunning) {
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// stop the timer to prevent updating the display
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KillTimer (nTimerId);
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nTimerId = 0;
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bTimerRunning = FALSE;
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SetDlgItemText (IDC_1SEC_BTN, TEXT("&Start Timer"));
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}
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// disable the data buttons
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GetDlgItem(IDC_1SEC_BTN)->EnableWindow(FALSE);
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GetDlgItem(IDC_GET_NEW_DATA)->EnableWindow(FALSE);
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} else {
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// update the display values
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Status = PdhGetRawCounterValue (
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hCounter,
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&dwCounterType,
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&RawData);
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if ((Status == ERROR_SUCCESS) && bGetDefinitions) {
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Status = PdhGetCounterInfo (
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hCounter,
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TRUE,
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&dwBufLen,
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pciData);
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}
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if (Status == ERROR_SUCCESS) {
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// get formatted values
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Status = PdhGetFormattedCounterValue (
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hCounter,
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PDH_FMT_LONG,
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NULL,
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&dfValue);
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if (Status == ERROR_SUCCESS) {
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lValue = dfValue.longValue;
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} else {
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lValue = (LONG)-1;
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}
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}
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if (Status == ERROR_SUCCESS) {
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// get formatted values
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Status = PdhGetFormattedCounterValue (
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hCounter,
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PDH_FMT_DOUBLE,
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NULL,
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&dfValue);
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if (Status == ERROR_SUCCESS) {
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dValue = dfValue.doubleValue;
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} else {
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dValue = (double)-1.0;
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}
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}
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if (Status == ERROR_SUCCESS) {
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// get formatted values
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Status = PdhGetFormattedCounterValue (
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hCounter,
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PDH_FMT_LARGE,
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NULL,
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&dfValue);
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if (Status == ERROR_SUCCESS) {
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llValue = dfValue.largeValue;
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} else {
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llValue = (LONGLONG)-1;
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}
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}
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}
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}
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if (Status == ERROR_SUCCESS) {
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if (bGetDefinitions) {
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bGetDefinitions = FALSE; // only do once
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// load dialog box
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_stprintf (szTextBuffer, TEXT("%d"), pciData->dwLength);
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SetDlgItemText (IDC_CI_LENGTH, szTextBuffer);
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_stprintf (szTextBuffer, TEXT("0x%8.8x"), pciData->dwType);
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SetDlgItemText (IDC_CI_TYPE, szTextBuffer);
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_stprintf (szTextBuffer, TEXT("0x%8.8x"), pciData->CVersion);
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SetDlgItemText (IDC_CI_VERSION, szTextBuffer);
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_stprintf (szTextBuffer, TEXT("0x%8.8x"), pciData->CStatus);
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SetDlgItemText (IDC_CI_STATUS, szTextBuffer);
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_stprintf (szTextBuffer, TEXT("%d"), pciData->lScale);
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SetDlgItemText (IDC_CI_SCALE, szTextBuffer);
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_stprintf (szTextBuffer, TEXT("%d"), pciData->lDefaultScale);
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SetDlgItemText (IDC_CI_DEFAULT_SCALE, szTextBuffer);
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_stprintf (szTextBuffer, TEXT("0x%8.8x"), pciData->dwUserData);
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SetDlgItemText (IDC_CI_USER_DATA, szTextBuffer);
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SetDlgItemText (IDC_CI_MACHINE_NAME, pciData->szMachineName);
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SetDlgItemText (IDC_CI_OBJECT_NAME, pciData->szObjectName);
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_stprintf (szTextBuffer, TEXT("%s:%d"),
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pciData->szInstanceName,
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pciData->dwInstanceIndex);
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SetDlgItemText (IDC_CI_INSTANCE_NAME, szTextBuffer);
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SetDlgItemText (IDC_CI_PARENT_NAME, pciData->szParentInstance);
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SetDlgItemText (IDC_CI_COUNTER_NAME, pciData->szCounterName);
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SetDlgItemText (IDC_CI_EXPLAIN_TEXT, pciData->szExplainText);
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SetDlgItemText (IDC_CI_FULL_NAME, pciData->szFullPath);
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}
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_stprintf (szTextBuffer, TEXT("0x%8.8x"), RawData.CStatus);
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SetDlgItemText (IDC_RV_STATUS, szTextBuffer);
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FileTimeToSystemTime ((LPFILETIME)&RawData.TimeStamp, &stTimeStamp);
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_stprintf (szTextBuffer, TEXT("%2.2d/%2.2d/%2.2d %2.2d:%2.2d:%2.2d.%3.3d"),
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stTimeStamp.wMonth,
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stTimeStamp.wDay,
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stTimeStamp.wYear,
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stTimeStamp.wHour,
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stTimeStamp.wMinute,
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stTimeStamp.wSecond,
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stTimeStamp.wMilliseconds);
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SetDlgItemText (IDC_TIME_STAMP, szTextBuffer);
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_stprintf (szTextBuffer, TEXT("0x%8.8x%8.8x"),
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HIDWORD(RawData.FirstValue),
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LODWORD(RawData.FirstValue));
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SetDlgItemText (IDC_RV_FIRST, szTextBuffer);
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_stprintf (szTextBuffer, TEXT("0x%8.8x%8.8x"),
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HIDWORD(RawData.SecondValue),
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LODWORD(RawData.SecondValue));
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SetDlgItemText (IDC_RV_SECOND, szTextBuffer);
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_stprintf (szTextBuffer, TEXT("0x%8.8x"), dwCounterType);
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SetDlgItemText (IDC_RV_TYPE, szTextBuffer);
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_stprintf (szTextBuffer, TEXT("%d"), lValue);
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SetDlgItemText (IDC_FMT_LONG_VALUE, szTextBuffer);
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_stprintf (szTextBuffer, TEXT("%f"), dValue);
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SetDlgItemText (IDC_FMT_DBL_VALUE, szTextBuffer);
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_stprintf (szTextBuffer, TEXT("0x%8.8x%8.8x"),
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HIDWORD(llValue), LODWORD(llValue));
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SetDlgItemText (IDC_FMT_LARGE_VALUE, szTextBuffer);
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} else if (Status != PDH_NO_MORE_DATA) {
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// clear fields and display error message
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// in explain text
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// if any error but the end of the log file
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szTextBuffer[0] = 0;
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SetDlgItemText (IDC_CI_LENGTH, szTextBuffer);
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SetDlgItemText (IDC_CI_TYPE, szTextBuffer);
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SetDlgItemText (IDC_CI_VERSION, szTextBuffer);
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SetDlgItemText (IDC_CI_STATUS, szTextBuffer);
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SetDlgItemText (IDC_CI_SCALE, szTextBuffer);
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SetDlgItemText (IDC_CI_USER_DATA, szTextBuffer);
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SetDlgItemText (IDC_CI_FULL_NAME, szTextBuffer);
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SetDlgItemText (IDC_CI_COUNTER_NAME, szTextBuffer);
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SetDlgItemText (IDC_RV_STATUS, szTextBuffer);
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SetDlgItemText (IDC_RV_FIRST, szTextBuffer);
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SetDlgItemText (IDC_RV_SECOND, szTextBuffer);
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SetDlgItemText (IDC_RV_TYPE, szTextBuffer);
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SetDlgItemText (IDC_FMT_LONG_VALUE, szTextBuffer);
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SetDlgItemText (IDC_FMT_DBL_VALUE, szTextBuffer);
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SetDlgItemText (IDC_FMT_LARGE_VALUE, szTextBuffer);
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_stprintf (szTextBuffer, TEXT("Unable to query counter data, Error 0x%8.8x"),
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Status);
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SetDlgItemText (IDC_CI_EXPLAIN_TEXT, szTextBuffer);
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} else {
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_stprintf (szTextBuffer, TEXT("End of Log File Reached."),
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Status);
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SetDlgItemText (IDC_CI_EXPLAIN_TEXT, szTextBuffer);
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}
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if (pciData != NULL) delete pciData;
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if (szTextBuffer != NULL) delete szTextBuffer;
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}
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void CDphCounterInfoDlg::On1secBtn()
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{
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if (bTimerRunning) {
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KillTimer (nTimerId);
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nTimerId = 0;
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bTimerRunning = FALSE;
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SetDlgItemText (IDC_1SEC_BTN, TEXT("&Start Timer"));
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// clear display
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SetDlgItemText (IDC_CI_DATA_POINTS, TEXT(""));
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SetDlgItemText (IDC_CI_AVERAGE_VALUE, TEXT(""));
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SetDlgItemText (IDC_CI_MIN_VALUE, TEXT(""));
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SetDlgItemText (IDC_CI_MAX_VALUE, TEXT(""));
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} else {
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nTimerId = SetTimer (ID_TIMER, 1000, NULL);
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if (nTimerId != 0) {
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bTimerRunning = TRUE;
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SetDlgItemText (IDC_1SEC_BTN, TEXT("&Stop Timer"));
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} else {
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MessageBeep (0xFFFFFFFF); //standard beep
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}
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}
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}
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void CDphCounterInfoDlg::OnTimer(UINT nIDEvent)
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{
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PDH_RAW_COUNTER RawDataItem;
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PDH_STATUS Status;
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DWORD dwCounterType;
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PDH_STATISTICS CtrStats;
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TCHAR szValue[MAX_PATH];
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// get data
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OnGetNewData();
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Status = PdhGetRawCounterValue (
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hCounter,
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&dwCounterType,
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&RawDataItem);
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// add raw value to array
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RawDataArray[dwNextIndex] = RawDataItem;
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// get statistics on raw data
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Status = PdhComputeCounterStatistics (
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hCounter,
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PDH_FMT_DOUBLE,
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dwFirstIndex,
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++dwItemsUsed,
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RawDataArray,
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&CtrStats);
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|
|
// display in window
|
|||
|
|
|
|||
|
|
if (Status == ERROR_SUCCESS) {
|
|||
|
|
_stprintf (szValue, TEXT("%d/%d"), CtrStats.count, dwItemsUsed);
|
|||
|
|
SetDlgItemText (IDC_CI_DATA_POINTS, szValue);
|
|||
|
|
|
|||
|
|
_stprintf (szValue, TEXT("%f"), CtrStats.mean.doubleValue);
|
|||
|
|
SetDlgItemText (IDC_CI_AVERAGE_VALUE, szValue);
|
|||
|
|
|
|||
|
|
_stprintf (szValue, TEXT("%f"), CtrStats.min.doubleValue);
|
|||
|
|
SetDlgItemText (IDC_CI_MIN_VALUE, szValue);
|
|||
|
|
|
|||
|
|
_stprintf (szValue, TEXT("%f"), CtrStats.max.doubleValue);
|
|||
|
|
SetDlgItemText (IDC_CI_MAX_VALUE, szValue);
|
|||
|
|
} else {
|
|||
|
|
_stprintf (szValue, TEXT("%d"), dwItemsUsed);
|
|||
|
|
SetDlgItemText (IDC_CI_DATA_POINTS, szValue);
|
|||
|
|
// unable to compute statistics
|
|||
|
|
lstrcpy (szValue, TEXT("Error"));
|
|||
|
|
SetDlgItemText (IDC_CI_AVERAGE_VALUE, szValue);
|
|||
|
|
SetDlgItemText (IDC_CI_MIN_VALUE, szValue);
|
|||
|
|
SetDlgItemText (IDC_CI_MAX_VALUE, szValue);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// update pointers & indeces
|
|||
|
|
if (dwItemsUsed < RAW_DATA_ITEMS) {
|
|||
|
|
dwNextIndex = ++dwNextIndex % RAW_DATA_ITEMS;
|
|||
|
|
} else {
|
|||
|
|
--dwItemsUsed;
|
|||
|
|
dwNextIndex = dwFirstIndex;
|
|||
|
|
dwFirstIndex = ++dwFirstIndex % RAW_DATA_ITEMS;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
CDialog::OnTimer(nIDEvent);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
void CDphCounterInfoDlg::OnDestroy()
|
|||
|
|
{
|
|||
|
|
CDialog::OnDestroy();
|
|||
|
|
|
|||
|
|
if (bTimerRunning) {
|
|||
|
|
KillTimer (nTimerId);
|
|||
|
|
nTimerId = 0;
|
|||
|
|
bTimerRunning = FALSE;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|