|
|
/*++
Copyright (C) 1995-1999 Microsoft Corporation
Module Name:
browsdlg.c
Abstract:
counter name browsing dialog box functions
Revision History
Bob Watson (a-robw) Oct-95 Created
--*/#include <windows.h>
#include <winperf.h>
#include "mbctype.h"
#include "strsafe.h"
#include "pdh.h"
#include "pdhidef.h"
#include "pdhdlgs.h"
#include "pdhmsg.h"
#include "perftype.h"
#include "strings.h"
#include "browsdlg.h"
#include "resource.h"
#pragma warning ( disable : 4213)
// global data strings to load into combo box to select counter filtering level
ULONGPdhiBrowseraulControlIdToHelpIdMap[] ={ IDC_USE_LOCAL_MACHINE, IDH_USE_LOCAL_MACHINE, IDC_SELECT_MACHINE, IDH_SELECT_MACHINE, IDC_MACHINE_COMBO, IDH_MACHINE_COMBO, IDC_COUNTER_DETAIL_COMBO, IDH_COUNTER_DETAIL_COMBO, IDC_OBJECT_COMBO, IDH_OBJECT_COMBO, IDC_ALL_COUNTERS, IDH_ALL_COUNTERS, IDC_USE_COUNTER_LIST, IDH_USE_COUNTER_LIST, IDC_COUNTER_LIST, IDH_COUNTER_LIST, IDC_ALL_INSTANCES, IDH_ALL_INSTANCES, IDC_USE_INSTANCE_LIST, IDH_USE_INSTANCE_LIST, IDC_INSTANCE_LIST, IDH_INSTANCE_LIST, IDC_EXPLAIN_BTN, IDH_EXPLAIN_BTN, IDC_OBJECT_LIST, IDH_OBJECT_LIST, 0,0};
PDHI_DETAIL_INFO PdhiDetailInfo[] = { { PERF_DETAIL_NOVICE, IDS_DETAIL_NOVICE }, { PERF_DETAIL_ADVANCED, IDS_DETAIL_ADVANCED }, { PERF_DETAIL_EXPERT, IDS_DETAIL_EXPERT }, { PERF_DETAIL_WIZARD, IDS_DETAIL_WIZARD }, { 0,0 }};
static HWND hExplainDlg = NULL;
//
// Function references
//
STATIC_BOOLPdhiLoadMachineObjects( HWND hDlg, BOOL bRefresh);
STATIC_BOOLPdhiLoadCountersAndInstances( HWND hDlg);
STATIC_BOOLPdhiBrowseCtrDlg_MACHINE_BUTTON( HWND hDlg, WORD wNotifyMsg, HWND hWndControl);
__inlinePDH_STATUSPdhiCopyString( LPBYTE * pszNextString, LPWSTR szWorkBuffer, LPDWORD pdwRemaining, BOOL bUnicode){ PDH_STATUS pdhStatus = ERROR_SUCCESS; DWORD dwSize = 0; DWORD dwRemaining = * pdwRemaining; LPBYTE szNextString = * pszNextString;
if (bUnicode) { dwSize = lstrlenW(szWorkBuffer); if (dwSize < dwRemaining) { StringCchCopyW((LPWSTR) szNextString, dwRemaining, szWorkBuffer); szNextString += dwSize * sizeof(WCHAR); * ((LPWSTR) szNextString) = L'\0'; szNextString += sizeof(WCHAR); } else { pdhStatus = PDH_MORE_DATA; } dwSize ++; } else { dwSize = dwRemaining; pdhStatus = PdhiConvertUnicodeToAnsi(_getmbcp(), szWorkBuffer, (LPSTR) szNextString, & dwSize); if (pdhStatus == ERROR_SUCCESS) { szNextString = szNextString + sizeof(CHAR) * (lstrlenA((LPSTR) szNextString) + 1); } }
if (dwRemaining >= dwSize) { dwRemaining -= dwSize; } else { dwRemaining = 0; pdhStatus = PDH_MORE_DATA; }
* pdwRemaining = dwRemaining; * pszNextString = szNextString; return pdhStatus;}
LPWSTRPdhiGetDlgText( HWND hDlg, INT hDlgItem){ LPWSTR szText = NULL; DWORD dwLength = 0; HWND hWndItem = GetDlgItem(hDlg, hDlgItem);
if (hWndItem != NULL) { dwLength = GetWindowTextLength(hWndItem); if (dwLength != 0) { dwLength ++; szText = G_ALLOC(dwLength * sizeof(WCHAR)); if (szText != NULL) { GetWindowTextW(hWndItem, szText, dwLength); } } } return szText;}
LRESULTPdhiGetListText( HWND hDlg, INT iDlgItem, INT iItem, LPWSTR * lpszName, PDWORD pdwLength){ LPWSTR szText = * lpszName; DWORD dwLength = * pdwLength; HWND hWndItem = GetDlgItem(hDlg, iDlgItem); LRESULT iTextLen = LB_ERR;
if (hWndItem != NULL) { iTextLen = SendMessageW(hWndItem, LB_GETTEXTLEN, iItem, 0); if (iTextLen != LB_ERR) { if (((DWORD) (iTextLen + 1)) > dwLength) { LPWSTR szTmp = szText; dwLength = (DWORD) iTextLen + 1; if (szTmp == NULL) { szText = G_ALLOC(dwLength * sizeof(WCHAR)); } else { szText = G_REALLOC(szTmp, dwLength * sizeof(WCHAR)); } if (szText == NULL) { G_FREE(szTmp); } } if (szText != NULL) { ZeroMemory(szText, dwLength * sizeof(WCHAR)); iTextLen = SendMessageW(hWndItem, LB_GETTEXT, iItem, (LPARAM) szText); } } } * pdwLength = dwLength; * lpszName = szText; return iTextLen;}
STATIC_BOOLPdhiLoadNewMachine( HWND hDlg, LPCWSTR szNewMachineName, BOOL bAdd)/*++
Routine Description: Connects to a new machine and loads the necessary performance data from that machine.
Arguments: IN HWND hDlg Handle to dialog box containing the combo & list boxes to fill IN LPCWSTR szNewMachineName Machine name to open and obtain data from
Return Value: TRUE new machine connected and data loaded FALSE unable to connect to machine or obtain performance data from it.--*/{ HWND hWndMachineCombo; PPDHI_BROWSE_DIALOG_DATA pData; LONG lMatchIndex; PDH_STATUS status; int mbStatus; BOOL bReturn = FALSE; DWORD dwDataSourceType; LPWSTR szMsg;
// acquire the data block associated with this dialog instance
pData = (PPDHI_BROWSE_DIALOG_DATA) GetWindowLongPtrW(hDlg, DWLP_USER); if (pData != NULL) { // get window handle of the dialog box
hWndMachineCombo = GetDlgItem(hDlg, IDC_MACHINE_COMBO);
// not in list so try to add it as long as the data source
// is "Current Activity" (ie. == NULL) For Log Files, only
// the machines listed may be selected.
dwDataSourceType = DataSourceTypeH(pData->pDlgData->hDataSource); if (dwDataSourceType != DATA_SOURCE_LOGFILE) { PPERF_MACHINE pMachine = GetMachine( (LPWSTR) szNewMachineName, 0, PDH_GM_UPDATE_NAME | PDH_GM_UPDATE_PERFNAME_ONLY); if (pMachine != NULL) { pMachine->dwRefCount --; RELEASE_MUTEX(pMachine->hMutex);
if (pMachine->dwStatus == ERROR_SUCCESS) { if (bAdd) { // if successful, add string to combo box
lMatchIndex = (LONG) SendMessageW(hWndMachineCombo, CB_ADDSTRING, 0, (LPARAM) szNewMachineName); SendMessageW(hWndMachineCombo, CB_SETCURSEL, (WPARAM) lMatchIndex, 0); } // update other controls in this dialog
PdhiLoadMachineObjects(hDlg, FALSE); // no need to update since it was just connected
PdhiLoadCountersAndInstances(hDlg); SendMessageW(hDlg, WM_COMMAND, MAKEWPARAM(IDC_COUNTER_LIST, LBN_SELCHANGE), (LPARAM) GetDlgItem(hDlg, IDC_COUNTER_LIST)); bReturn = TRUE; } else { SetLastError(pMachine->dwStatus); } } if (! bReturn) { status = GetLastError(); if (status == PDH_QUERY_PERF_DATA_TIMEOUT) { szMsg = GetStringResource(IDS_COLLECT_TIMEOUT); } else { szMsg = GetStringResource(IDS_ERR_UNABLE_TO_CONNECT); } if (szMsg != NULL) { mbStatus = MessageBoxW(hDlg, szMsg, NULL, MB_ICONEXCLAMATION | MB_TASKMODAL | MB_OK); if (mbStatus == IDCANCEL) { SetFocus(GetDlgItem(hDlg, IDC_MACHINE_COMBO)); } else { SendMessageW(hWndMachineCombo, CB_SETCURSEL, pData->wpLastMachineSel, 0); } G_FREE(szMsg); } else { MessageBeep(MB_ICONEXCLAMATION); } } } else { szMsg = GetStringResource(IDS_ERR_MACHINE_NOT_IN_LOGFILE); if (szMsg != NULL) { mbStatus = MessageBoxW(hDlg, szMsg, NULL, MB_ICONEXCLAMATION | MB_TASKMODAL | MB_OK); G_FREE (szMsg); } else { MessageBeep(MB_ICONEXCLAMATION); } // re-select the last machine
lMatchIndex = (long) SendMessageW(hWndMachineCombo, CB_FINDSTRINGEXACT, (WPARAM) -1, (LPARAM) pData->szLastMachineName); SendMessageW(hWndMachineCombo, CB_SETCURSEL, (WPARAM) lMatchIndex, 0); } } return bReturn;}
STATIC_BOOLPdhiSelectItemsInPath( HWND hDlg)/*++
Routine Description: Selects the items in the list box based on the counter path string in the shared buffer.
Arguments: IN HWND hDlg Handle to the dialog window containing the controls
Return Value: TRUE if successful, FALSE if not--*/{ // regular stack variables
PPDH_COUNTER_PATH_ELEMENTS_W pCounterPathElementsW = NULL; PPDH_COUNTER_PATH_ELEMENTS_A pCounterPathElementsA = NULL; LPWSTR wszMachineName = NULL; PDH_STATUS status; PPDHI_BROWSE_DIALOG_DATA pData; BOOL bReturn = FALSE; DWORD dwBufferSize; HWND hWndMachineCombo; HWND hWndObjectCombo; HWND hWndCounterList; HWND hWndInstanceList; LONG lIndex;
// reset the last error value
SetLastError(ERROR_SUCCESS);
// get this dialog's user data
pData = (PPDHI_BROWSE_DIALOG_DATA) GetWindowLongPtrW(hDlg, DWLP_USER); if (pData == NULL) { goto Cleanup; }
hWndMachineCombo = GetDlgItem(hDlg, IDC_MACHINE_COMBO); if (pData->bShowObjects) { hWndObjectCombo = GetDlgItem(hDlg, IDC_OBJECT_LIST); if (hWndMachineCombo == NULL || hWndObjectCombo == NULL) { goto Cleanup; } } else { hWndObjectCombo = GetDlgItem(hDlg, IDC_OBJECT_COMBO); hWndCounterList = GetDlgItem(hDlg, IDC_COUNTER_LIST); hWndInstanceList = GetDlgItem(hDlg, IDC_INSTANCE_LIST); if (hWndMachineCombo == NULL || hWndObjectCombo == NULL || hWndCounterList == NULL || hWndInstanceList == NULL) { goto Cleanup; } }
// Call the right conversion function based on user's buffer
if (pData->pDlgData->pWideStruct != NULL) { // UNICODE/ wide characters
dwBufferSize = sizeof(PDH_COUNTER_PATH_ELEMENTS_W) + (PDH_MAX_COUNTER_PATH + 5) * sizeof(WCHAR); pCounterPathElementsW = (PPDH_COUNTER_PATH_ELEMENTS_W) G_ALLOC(dwBufferSize); if (pCounterPathElementsW == NULL) { status = PDH_MEMORY_ALLOCATION_FAILURE; } else { status = PdhParseCounterPathW(pData->pDlgData->pWideStruct->szReturnPathBuffer, pCounterPathElementsW, & dwBufferSize, 0); while (status == PDH_MORE_DATA) { G_FREE(pCounterPathElementsW); pCounterPathElementsW = (PPDH_COUNTER_PATH_ELEMENTS_W) G_ALLOC(dwBufferSize); if (pCounterPathElementsW == NULL) { status = PDH_MEMORY_ALLOCATION_FAILURE; } else { status = PdhParseCounterPathW(pData->pDlgData->pWideStruct->szReturnPathBuffer, pCounterPathElementsW, & dwBufferSize, 0); } } } if (status == ERROR_SUCCESS) { // select entry in each list box
// select machine entry. Load machine if necessary
lIndex = (LONG) SendMessageW(hWndMachineCombo, CB_FINDSTRINGEXACT, (WPARAM) -1, (LPARAM) pCounterPathElementsW->szMachineName); if (lIndex == CB_ERR) { // try adding the machine
if (! PdhiLoadNewMachine(hDlg, pCounterPathElementsW->szMachineName, TRUE)) { // give up
goto Cleanup; } } else { // the machine has been found so select it
SendMessageW(hWndMachineCombo, CB_SETCURSEL, (WPARAM) lIndex, 0); // update other fields
// no need to update since it was just connected
if (! PdhiLoadNewMachine(hDlg, pCounterPathElementsW->szMachineName, FALSE)) { // give up
goto Cleanup; } }
// select the current object
lIndex = (LONG) SendMessageW(hWndObjectCombo, CB_FINDSTRING, (WPARAM) -1, (LPARAM) pCounterPathElementsW->szObjectName); if (lIndex != CB_ERR) { SendMessageW(hWndObjectCombo, CB_SETCURSEL, (WPARAM) lIndex, 0);
if (pData->bShowObjects) { bReturn = TRUE; } else { // update the counters for this object
PdhiLoadCountersAndInstances(hDlg); // now select the counter
lIndex = (LONG)SendMessageW(hWndCounterList, LB_FINDSTRING, (WPARAM) -1, (LPARAM) pCounterPathElementsW->szCounterName); if (lIndex != LB_ERR) { if (pData->bSelectMultipleCounters) { SendMessageW(hWndCounterList, LB_SETSEL, FALSE, (LPARAM) -1); SendMessageW(hWndCounterList, LB_SETSEL, TRUE, lIndex); SendMessageW(hWndCounterList, LB_SETCARETINDEX, (WPARAM) lIndex, MAKELPARAM(FALSE, 0)); } else { SendMessageW(hWndCounterList, LB_SETCURSEL, lIndex, 0); } // display explain text if necessary
SendMessageW(hDlg, WM_COMMAND, MAKEWPARAM(IDC_COUNTER_LIST, LBN_SELCHANGE), (LPARAM) GetDlgItem(hDlg, IDC_COUNTER_LIST)); bReturn = TRUE; } } } } // else unable to read path so exit
} else { // ANSI characters
dwBufferSize = sizeof(PDH_COUNTER_PATH_ELEMENTS_W) + (PDH_MAX_COUNTER_PATH + 5) * sizeof(CHAR); pCounterPathElementsA = (PPDH_COUNTER_PATH_ELEMENTS_A) G_ALLOC(dwBufferSize); if (pCounterPathElementsA == NULL) { status = PDH_MEMORY_ALLOCATION_FAILURE; } else { status = PdhParseCounterPathA(pData->pDlgData->pAnsiStruct->szReturnPathBuffer, pCounterPathElementsA, & dwBufferSize, 0); while (status == PDH_MORE_DATA) { G_FREE(pCounterPathElementsA); pCounterPathElementsA = (PPDH_COUNTER_PATH_ELEMENTS_A) G_ALLOC(dwBufferSize); if (pCounterPathElementsA == NULL) { status = PDH_MEMORY_ALLOCATION_FAILURE; } else { status = PdhParseCounterPathA(pData->pDlgData->pAnsiStruct->szReturnPathBuffer, pCounterPathElementsA, & dwBufferSize, 0); } } } if (status == ERROR_SUCCESS) { // select entry in each list box
// select machine entry. Load machine if necessary
lIndex = (LONG) SendMessageA(hWndMachineCombo, CB_FINDSTRINGEXACT, (WPARAM) -1, (LPARAM) pCounterPathElementsA->szMachineName); if (lIndex == CB_ERR) { // try adding the machine
// convert ansi buffer to wide char first
wszMachineName = PdhiMultiByteToWideChar(_getmbcp(), pCounterPathElementsA->szMachineName); if (wszMachineName == NULL) { goto Cleanup; } if (! PdhiLoadNewMachine(hDlg, wszMachineName, TRUE)) { // give up
goto Cleanup; } } else { // the machine has been found so select it
SendMessageA(hWndMachineCombo, CB_SETCURSEL, (WPARAM) lIndex, 0); // update other fields
PdhiLoadMachineObjects(hDlg, FALSE); // no need to update since it was just connected
}
// select the current object
lIndex = (LONG) SendMessageA(hWndObjectCombo, CB_FINDSTRING, (WPARAM) -1, (LPARAM) pCounterPathElementsA->szObjectName); if (lIndex != CB_ERR) { SendMessageA(hWndObjectCombo, CB_SETCURSEL, (WPARAM) lIndex, 0); if (pData->bShowObjects) { bReturn = TRUE; } else { // update the counters for this object
PdhiLoadCountersAndInstances(hDlg); // now select the counter
lIndex = (LONG)SendMessageA(hWndCounterList, LB_FINDSTRING, (WPARAM) -1, (LPARAM) pCounterPathElementsA->szCounterName); if (lIndex != LB_ERR) { if (pData->bSelectMultipleCounters) { SendMessageA(hWndCounterList, LB_SETSEL, FALSE, (LPARAM) -1); SendMessageA(hWndCounterList, LB_SETSEL, TRUE, lIndex); SendMessageA(hWndCounterList, LB_SETCARETINDEX, (WPARAM) lIndex, MAKELPARAM(FALSE, 0)); } else { SendMessageA(hWndCounterList, LB_SETCURSEL, lIndex, 0); } // display explain text if necessary
SendMessage(hDlg, WM_COMMAND, MAKEWPARAM(IDC_COUNTER_LIST, LBN_SELCHANGE), (LPARAM) GetDlgItem(hDlg, IDC_COUNTER_LIST)); bReturn = TRUE; } } } } // else unable to read path so exit
}
Cleanup: G_FREE(pCounterPathElementsW); G_FREE(pCounterPathElementsA); G_FREE(wszMachineName); return bReturn;}
STATIC_DWORDPdhiLoadDetailLevelCombo( HWND hDlg, DWORD dwInitialLevel)/*++
Routine Description: Loads the Detail Level Combo box with the strings and ID's defined by the PdhiDetailInfo string array above.
Arguments: IN HWND hDlg Handle to the dialog box containing the combo box IN DWORD dwInitialLevel the intitial detail level to select in the combo box.
Return Value: Returns the selected level or 0 if an error ocurred.--*/{ HWND hWndCombo; DWORD dwIndex; DWORD dwStringLength; DWORD dwDefaultIndex = 0; DWORD dwSelectedLevel = 0; DWORD dwThisCbIndex; WCHAR szTempBuffer[MAX_PATH + 1]; // for loading string resource
hWndCombo = GetDlgItem(hDlg, IDC_COUNTER_DETAIL_COMBO);
// load all combo box strings from static data array defined above
for (dwIndex = 0; PdhiDetailInfo[dwIndex].dwLevelValue > 0; dwIndex ++) { // load the string resource for this string
ZeroMemory(szTempBuffer, (MAX_PATH + 1) * sizeof(WCHAR)); dwStringLength = LoadStringW(ThisDLLHandle, PdhiDetailInfo[dwIndex].dwStringResourceId, szTempBuffer, MAX_PATH); if (dwStringLength == 0) { // unable to read the string in, so
// substitute the value for the string
_ltow(PdhiDetailInfo[dwIndex].dwLevelValue, szTempBuffer, 10); } // load the strings into the combo box in the same order they
// were described in the array above
dwThisCbIndex = (DWORD) SendMessageW(hWndCombo, CB_INSERTSTRING, (WPARAM) -1, (LPARAM) szTempBuffer);
// set the initial CB entry to the highest item <= to the
// desired default level
if (dwThisCbIndex != CB_ERR) { // set item data to be the corresponding detail level
SendMessageW(hWndCombo, CB_SETITEMDATA, (WPARAM) dwThisCbIndex, (LPARAM) PdhiDetailInfo[dwIndex].dwLevelValue); // save default selection if it matches.
if (PdhiDetailInfo[dwIndex].dwLevelValue <= dwInitialLevel) { dwDefaultIndex = dwThisCbIndex; dwSelectedLevel = PdhiDetailInfo[dwIndex].dwLevelValue; } } } // select desired default entry
SendMessageW(hWndCombo, CB_SETCURSEL, (WPARAM) dwDefaultIndex, 0);
return dwSelectedLevel;}
STATIC_BOOLPdhiLoadKnownMachines( HWND hDlg)/*++
Routine Description: Get the list of machines that are currently connected and disply them in the machine list box.
Arguments: IN HWND hDlg Handle to the dialog window containing the controls
Return Value: TRUE if successful, FALSE if not--*/{ LPWSTR mszMachineList = NULL; LPWSTR szThisMachine; DWORD dwLength; PDH_STATUS status; HWND hMachineListWnd; HCURSOR hOldCursor; PPDHI_BROWSE_DIALOG_DATA pData; BOOL bReturn = FALSE;
// display wait cursor since this is potentially time consuming
hOldCursor = SetCursor(LoadCursor(NULL, IDC_WAIT));
// get this dialog's user data
pData = (PPDHI_BROWSE_DIALOG_DATA) GetWindowLongPtrW(hDlg, DWLP_USER); if (pData == NULL) { goto Cleanup; }
// get window handle to Machine list combo box
hMachineListWnd = GetDlgItem(hDlg, IDC_MACHINE_COMBO);
// clear machine combo box
SendMessageW(hMachineListWnd, CB_RESETCONTENT, 0, 0);
// get list of connected machines from PDH library
dwLength = 0; status = PdhEnumMachinesHW(pData->pDlgData->hDataSource, mszMachineList, & dwLength); while (status == PDH_MORE_DATA) { G_FREE(mszMachineList); mszMachineList = G_ALLOC(dwLength * sizeof(WCHAR)); if (mszMachineList == NULL) { status = PDH_MEMORY_ALLOCATION_FAILURE; } else { status = PdhEnumMachinesHW(pData->pDlgData->hDataSource, mszMachineList, & dwLength); } }
if (status == ERROR_SUCCESS) { long lMatchIndex;
// update the combo box
// go through MSZ and load each string into combo box
for (szThisMachine = mszMachineList; * szThisMachine != L'\0'; szThisMachine += lstrlenW(szThisMachine) + 1) { // add to the list box and let the list box sort them
SendMessageW(hMachineListWnd, CB_ADDSTRING, 0, (LPARAM) szThisMachine); } lMatchIndex = (long) SendMessageW(hMachineListWnd, CB_FINDSTRINGEXACT, (WPARAM) -1, (LPARAM) szStaticLocalMachineName); if (lMatchIndex == CB_ERR) { lMatchIndex = 0; } SendMessageW(hMachineListWnd, CB_SETCURSEL, (WPARAM) lMatchIndex, 0);
// the "current" machine has not been defined, then
// do it now
GetWindowTextW(hMachineListWnd, (LPWSTR) pData->szLastMachineName, MAX_PATH);
bReturn = TRUE; } else { // no machines, so select local button and disable the edit window
CheckRadioButton(hDlg, IDC_USE_LOCAL_MACHINE, IDC_SELECT_MACHINE, IDC_USE_LOCAL_MACHINE); PdhiBrowseCtrDlg_MACHINE_BUTTON(hDlg, BN_CLICKED, GetDlgItem(hDlg, IDC_USE_LOCAL_MACHINE)); bReturn = TRUE; }
Cleanup: // restore cursor
SetCursor(hOldCursor); G_FREE(mszMachineList); // return status of function
return bReturn;}
STATIC_BOOLPdhiLoadMachineObjects( HWND hDlg, BOOL bRefresh)/*++
Routine Description: For the currently selected machine, load the object list box with the objects supported by that machine. If the bRefresh flag is TRUE, then query the system for the current perf data before loading the list box.
Arguments: IN HWND hDlg Window handle of parent dialog box IN BOOL bRefresh TRUE = Query performance data of system before updating FALSE = Use the current system perf data to load the objects from
Return Value: TRUE if successful, FALSE if not
--*/{ LPWSTR szMachineName = NULL; LPWSTR szDefaultObject = NULL; LPWSTR mszObjectList = NULL; DWORD dwLength; LPWSTR szThisObject; HCURSOR hOldCursor; HWND hObjectListWnd; PPDHI_BROWSE_DIALOG_DATA pData; PDH_STATUS pdhStatus; DWORD dwReturn; DWORD dwDetailLevel; LPWSTR szMsg; LRESULT nEntry; DWORD dwFlags;
// save old cursor and display wait cursor
hOldCursor = SetCursor(LoadCursor(NULL, IDC_WAIT));
// get the pointer to the dialog's user data
pData = (PPDHI_BROWSE_DIALOG_DATA)GetWindowLongPtrW(hDlg, DWLP_USER); if (pData == NULL) { pdhStatus = PDH_INVALID_HANDLE; goto Cleanup; }
hObjectListWnd = pData->bShowObjects ? GetDlgItem(hDlg, IDC_OBJECT_LIST) : GetDlgItem(hDlg, IDC_OBJECT_COMBO); if (hObjectListWnd == NULL) { pdhStatus = PDH_INVALID_HANDLE; goto Cleanup; }
szMachineName = PdhiGetDlgText(hDlg, IDC_MACHINE_COMBO); if (szMachineName == NULL) { pdhStatus = PDH_MEMORY_ALLOCATION_FAILURE; goto Cleanup; } if (lstrcmpiW(szMachineName, pData->szLastMachineName) != 0) { StringCchCopyW(pData->szLastMachineName, MAX_PATH, szMachineName); }
if (! pData->bShowObjects) { // first clear out any old contents
SendMessageW(hObjectListWnd, CB_RESETCONTENT, 0, 0); } else { SendMessageW(hObjectListWnd, LB_RESETCONTENT, 0, 0); }
// get object list from the PDH
dwDetailLevel = pData->dwCurrentDetailLevel; dwDetailLevel |= pData->bIncludeCostlyObjects ? PERF_DETAIL_COSTLY : 0; dwLength = 0; pdhStatus = PdhEnumObjectsHW(pData->pDlgData->hDataSource, szMachineName, mszObjectList, & dwLength, dwDetailLevel, bRefresh); while (pdhStatus == PDH_MORE_DATA) { // then realloc and try again, but only once
G_FREE(mszObjectList); mszObjectList = G_ALLOC (dwLength * sizeof(WCHAR)); if (mszObjectList == NULL) { pdhStatus = PDH_MEMORY_ALLOCATION_FAILURE; } else { // No need to call RegQueryValueEx(HKEY_PERFORMANCE_DATA, "Global", ...) again.
// The first one already does that.
//
pdhStatus = PdhEnumObjectsHW(pData->pDlgData->hDataSource, szMachineName, mszObjectList, & dwLength, dwDetailLevel, FALSE); } }
if (pdhStatus == ERROR_SUCCESS) { EnableWindow(hObjectListWnd, TRUE); // load object list to the list (combo) box
for (szThisObject = mszObjectList; *szThisObject != L'\0'; szThisObject += lstrlenW(szThisObject) + 1) { if (pData->bShowObjects) { DWORD dwCounterListLength = 0; DWORD dwInstanceListLength = 0;
pdhStatus = PdhEnumObjectItemsHW(pData->pDlgData->hDataSource, szMachineName, szThisObject, NULL, & dwCounterListLength, NULL, & dwInstanceListLength, PERF_DETAIL_WIZARD, 0); if (pdhStatus != ERROR_SUCCESS && pdhStatus != PDH_MORE_DATA) { dwInstanceListLength = 0; } if (dwInstanceListLength == 0 || dwInstanceListLength > 2) { // send to list box control
nEntry = SendMessageW(hObjectListWnd, LB_ADDSTRING, 0, (LPARAM) szThisObject); dwFlags = 0; if (dwInstanceListLength > 2) { dwFlags |= PDH_OBJECT_HAS_INSTANCES; } SendMessageW(hObjectListWnd, LB_SETITEMDATA, (WPARAM) nEntry, (LPARAM) dwFlags); } pdhStatus = ERROR_SUCCESS; } else { // send to combo box
// add each string...
SendMessageW(hObjectListWnd, CB_ADDSTRING, 0, (LPARAM)szThisObject); } }
if (! pData->bShowObjects) { // get default Object
dwLength = 0; pdhStatus = PdhGetDefaultPerfObjectHW(pData->pDlgData->hDataSource, szMachineName, szDefaultObject, & dwLength); while (pdhStatus == PDH_MORE_DATA) { G_FREE(szDefaultObject); szDefaultObject = G_ALLOC(dwLength * sizeof(WCHAR)); if (szDefaultObject == NULL) { pdhStatus = PDH_MEMORY_ALLOCATION_FAILURE; } else { pdhStatus = PdhGetDefaultPerfObjectHW(pData->pDlgData->hDataSource, szMachineName, szDefaultObject, & dwLength); } } if (pdhStatus == ERROR_SUCCESS) { // and select it if it's present (which it should be)
dwReturn = (DWORD) SendMessageW(hObjectListWnd, CB_SELECTSTRING, (WPARAM) -1, (LPARAM) szDefaultObject); if (dwReturn == CB_ERR) pdhStatus = PDH_CSTATUS_NO_OBJECT; } if (pdhStatus != ERROR_SUCCESS) { // default object not found in list so select the first one
SendMessageW(hObjectListWnd, CB_SETCURSEL, 0, 0); } } } else { // unable to obtain object list so display message and disable list
szMsg = GetStringResource(IDS_BRWS_NO_OBJECTS); if (szMsg != NULL) { if (! pData->bShowObjects) { SendMessageW(hObjectListWnd, CB_ADDSTRING, 0, (LPARAM) szMsg); } else { SendMessageW(hObjectListWnd, LB_ADDSTRING, 0, (LPARAM) szMsg); } G_FREE(szMsg); EnableWindow(hObjectListWnd, FALSE); } }
Cleanup: // restore cursor
SetCursor(hOldCursor);
G_FREE(szMachineName); G_FREE(szDefaultObject); G_FREE(mszObjectList);
// return status
return (pdhStatus == ERROR_SUCCESS) ? (TRUE) : (FALSE);}
STATIC_BOOLPdhiLoadCountersAndInstances( HWND hDlg)/*++
Routine Description: Load the counters and instances of the selected object on the current machine
Arguments: IN HWND hDlg Window handle of the dialog box containing these controls
Return Value: TRUE if successful, FALSE if not--*/{ LPWSTR szMachineName = NULL; LPWSTR szObjectName = NULL; DWORD dwLength; LPWSTR szDefaultCounter = NULL; LPWSTR szInstanceString = NULL; LPWSTR szIndexStringPos; DWORD dwDefaultIndex; DWORD dwCounterListLength; DWORD dwInstanceListLength; DWORD dwInstanceMatch; DWORD dwInstanceIndex; DWORD dwInstanceCount; LPWSTR szThisItem; HWND hWndCounterListBox; HWND hWndInstanceListBox; HCURSOR hOldCursor; PPDHI_BROWSE_DIALOG_DATA pData; PDH_STATUS pdhStatus; LPWSTR mszCounterList = NULL; LPWSTR mszInstanceList = NULL; LPWSTR mszTmpList; LPWSTR szMsg; HDC hDcListBox; SIZE Size; LONG dwHorizExtent; BOOL bReturn = FALSE;
// save current cursor and display wait cursor
hOldCursor = SetCursor (LoadCursor (NULL, IDC_WAIT));
// get the pointer to the dialog's user data
pData = (PPDHI_BROWSE_DIALOG_DATA) GetWindowLongPtrW(hDlg, DWLP_USER); if (pData == NULL) { pdhStatus = PDH_INVALID_HANDLE; goto Cleanup; }
hWndCounterListBox = GetDlgItem(hDlg, IDC_COUNTER_LIST); hWndInstanceListBox = GetDlgItem(hDlg, IDC_INSTANCE_LIST); if (hWndCounterListBox == NULL || hWndInstanceListBox == NULL) { pdhStatus = PDH_INVALID_HANDLE; goto Cleanup; }
szMachineName = PdhiGetDlgText(hDlg, IDC_MACHINE_COMBO); szObjectName = PdhiGetDlgText(hDlg, IDC_OBJECT_COMBO); if (szMachineName == NULL || szObjectName == NULL) { pdhStatus = PDH_MEMORY_ALLOCATION_FAILURE; goto Cleanup; }
dwCounterListLength = 0; dwInstanceListLength = 0; pdhStatus = PdhEnumObjectItemsHW(pData->pDlgData->hDataSource, szMachineName, szObjectName, mszCounterList, & dwCounterListLength, mszInstanceList, & dwInstanceListLength, pData->dwCurrentDetailLevel, 0); while (pdhStatus == PDH_MORE_DATA) { if (dwCounterListLength > 0) { G_FREE(mszCounterList); mszCounterList = G_ALLOC(dwCounterListLength * sizeof(WCHAR)); if (mszCounterList == NULL) pdhStatus = PDH_MEMORY_ALLOCATION_FAILURE; } if (dwInstanceListLength > 0) { G_FREE(mszInstanceList); mszInstanceList = G_ALLOC(dwInstanceListLength * sizeof(WCHAR)); if (mszInstanceList == NULL) pdhStatus = PDH_MEMORY_ALLOCATION_FAILURE; }
if (pdhStatus != PDH_MEMORY_ALLOCATION_FAILURE) { pdhStatus = PdhEnumObjectItemsHW(pData->pDlgData->hDataSource, szMachineName, szObjectName, mszCounterList, & dwCounterListLength, mszInstanceList, & dwInstanceListLength, pData->dwCurrentDetailLevel, 0); } }
if (pdhStatus == ERROR_SUCCESS) { //reset contents of both list boxes
SendMessageW(hWndCounterListBox, LB_RESETCONTENT, 0, 0); SendMessageW(hWndInstanceListBox, LB_RESETCONTENT, 0, 0);
// enable both list boxes
EnableWindow(hWndInstanceListBox, TRUE); EnableWindow(hWndCounterListBox, TRUE);
// now fill 'em up
// start with the counters
hDcListBox = GetDC(hWndCounterListBox); if (hDcListBox == NULL) { goto Cleanup; }
dwHorizExtent = 0; if (dwCounterListLength > 0 && mszCounterList != NULL) { for (szThisItem = mszCounterList; * szThisItem != L'\0'; szThisItem += lstrlenW(szThisItem) + 1) { if (GetTextExtentPoint32W(hDcListBox, szThisItem, lstrlenW(szThisItem), & Size)) { if (Size.cx > dwHorizExtent) { dwHorizExtent = Size.cx; } } SendMessageW(hWndCounterListBox, LB_ADDSTRING, 0, (LPARAM) szThisItem); } SendMessageW(hWndCounterListBox, LB_SETHORIZONTALEXTENT, (WPARAM) dwHorizExtent, 0); } ReleaseDC(hWndCounterListBox, hDcListBox);
// once the list box has been loaded see if we want to keep it
// enabled. It's filled regardless just so the user can see some
// of the entries, even if they have this disabled by the "all"
// counter button
if (pData->bSelectAllCounters) { // disable instance list
EnableWindow(hWndCounterListBox, FALSE); } else { // set the default selection if there are entries in the
// list box and use the correct message depending on the
// selection options
// set the default counter
dwLength = 0; pdhStatus = PdhGetDefaultPerfCounterHW(pData->pDlgData->hDataSource, szMachineName, szObjectName, szDefaultCounter, & dwLength); while (pdhStatus == PDH_MORE_DATA) { G_FREE(szDefaultCounter); szDefaultCounter = G_ALLOC(dwLength * sizeof(WCHAR)); if (szDefaultCounter == NULL) { pdhStatus = PDH_MEMORY_ALLOCATION_FAILURE; } else { pdhStatus = PdhGetDefaultPerfCounterHW(pData->pDlgData->hDataSource, szMachineName, szObjectName, szDefaultCounter, & dwLength); } } if (pdhStatus != ERROR_SUCCESS) { dwDefaultIndex = 0; } else { dwDefaultIndex = (DWORD)SendMessageW(hWndCounterListBox, LB_FINDSTRINGEXACT, (WPARAM) -1, (LPARAM) szDefaultCounter); if (dwDefaultIndex == LB_ERR) dwDefaultIndex = 0; }
if (pData->bSelectMultipleCounters) { SendMessageW(hWndCounterListBox, LB_SETSEL, TRUE, dwDefaultIndex); SendMessageW(hWndCounterListBox, LB_SETCARETINDEX, (WPARAM) dwDefaultIndex, MAKELPARAM(FALSE, 0)); } else { SendMessageW (hWndCounterListBox, LB_SETCURSEL, dwDefaultIndex, 0); } }
// now the instance list
if (mszInstanceList != NULL && dwInstanceListLength > 0) { // there's at least one entry, so prepare the list box
// enable the list box and the instance radio buttons on the
// assumption that they will be used. this is tested later.
EnableWindow(hWndInstanceListBox, TRUE); EnableWindow(GetDlgItem(hDlg, IDC_ALL_INSTANCES), TRUE); EnableWindow(GetDlgItem(hDlg, IDC_USE_INSTANCE_LIST), TRUE);
dwInstanceCount = 0; dwLength = 0;
// load instance entries
hDcListBox = GetDC(hWndInstanceListBox); if (hDcListBox == NULL) { goto Cleanup; } dwHorizExtent = 0; for (szThisItem = mszInstanceList; * szThisItem != L'\0'; szThisItem += lstrlenW(szThisItem) + 1) { // see if the index number should be displayed
if (pData->bShowIndex) { // if so, it must be derived,
// this is accomplished by making an index entry starting
// at 1, and looking for a match in the current entries.
// if a match is found, then the index is incremented and
// the process is repeated until the specified
// instance is not found. The first value not found is
// then the index entry for that item.
//
// first see if there's an undecorated one in the list box
// if not then add this one
if (dwLength < (DWORD) (lstrlenW(szThisItem) + 32)) { LPWSTR szTmp = szInstanceString; dwLength = lstrlenW(szThisItem) + 32; if (szTmp == NULL) { szInstanceString = G_ALLOC(dwLength * sizeof(WCHAR)); } else { szInstanceString = G_REALLOC(szTmp, dwLength * sizeof(WCHAR)); } if (szInstanceString == NULL) { G_FREE(szTmp); goto Cleanup; } } ZeroMemory(szInstanceString, dwLength * sizeof(WCHAR)); StringCchCopyW(szInstanceString, dwLength, szThisItem); dwInstanceMatch = (DWORD) -1; dwInstanceMatch = (DWORD) SendMessageW(hWndInstanceListBox, LB_FINDSTRINGEXACT, (WPARAM) dwInstanceMatch, (LPARAM) szInstanceString); if (dwInstanceMatch == LB_ERR) { // then this is the first one so add it in the
// undecorated form
if (GetTextExtentPoint32W(hDcListBox, szInstanceString, lstrlenW(szInstanceString), & Size)) { if (Size.cx > dwHorizExtent) { dwHorizExtent = Size.cx; SendMessageW(hWndInstanceListBox, LB_SETHORIZONTALEXTENT, (WPARAM) dwHorizExtent, 0); } } SendMessageW(hWndInstanceListBox, LB_ADDSTRING, 0, (LPARAM) szInstanceString); } else { // there's already a plain one, so increment through
// the index values and find one that's not in the
// list already
dwInstanceIndex = 1; dwInstanceMatch = (DWORD) -1; StringCchCatW(szInstanceString, dwLength, cszPoundSign); szIndexStringPos = & szInstanceString[lstrlenW(szInstanceString)]; do { _ltow((long) dwInstanceIndex ++, szIndexStringPos, 10); dwInstanceMatch = (DWORD) SendMessageW(hWndInstanceListBox, LB_FINDSTRINGEXACT, (WPARAM) dwInstanceMatch, (LPARAM) szInstanceString); } while (dwInstanceMatch != LB_ERR); // add the last entry checked (the first one not found)
// to the list box now.
if (GetTextExtentPoint32W(hDcListBox, szInstanceString, lstrlenW(szInstanceString), & Size)) { if (Size.cx > dwHorizExtent) { dwHorizExtent = Size.cx; SendMessageW (hWndInstanceListBox, LB_SETHORIZONTALEXTENT, (WPARAM) dwHorizExtent, 0); } } SendMessageW (hWndInstanceListBox, LB_ADDSTRING, 0, (LPARAM) szInstanceString); } } else { // index values are not required so just add the string
// to the list box
if (GetTextExtentPoint32W(hDcListBox, szThisItem, lstrlenW(szThisItem), & Size)) { if (Size.cx > dwHorizExtent) { dwHorizExtent = Size.cx; SendMessageW(hWndInstanceListBox, LB_SETHORIZONTALEXTENT, (WPARAM) dwHorizExtent, 0); } } SendMessageW (hWndInstanceListBox, LB_ADDSTRING, 0, (LPARAM) szThisItem); } dwInstanceCount++; }
ReleaseDC(hWndInstanceListBox, hDcListBox);
if (dwInstanceCount == 0) { // disable the OK/Add button, since this object has no
// current instances to monitor
EnableWindow(GetDlgItem(hDlg, IDOK), FALSE); szMsg = GetStringResource(IDS_BRWS_NO_INSTANCES); if (szMsg != NULL) { SendMessageW(hWndInstanceListBox, LB_ADDSTRING, 0, (LPARAM) szMsg); G_FREE(szMsg); } EnableWindow(GetDlgItem(hDlg, IDC_ALL_INSTANCES), FALSE); EnableWindow(GetDlgItem(hDlg, IDC_USE_INSTANCE_LIST), FALSE); EnableWindow(hWndInstanceListBox, FALSE); } else { // enable the OK/Add button since there is some monitorable
// instance(s)
EnableWindow(GetDlgItem(hDlg, IDOK), TRUE); EnableWindow(GetDlgItem(hDlg, IDC_ALL_INSTANCES), TRUE); EnableWindow(GetDlgItem(hDlg, IDC_USE_INSTANCE_LIST), TRUE); EnableWindow(hWndInstanceListBox, TRUE); } // once the list box has been loaded see if we want to keep it
// enabled. It's filled regardless just so the user can see some
// of the entries, even if they have this disabled by the "all"
// instance button
if (pData->bSelectAllInstances) { // disable instance list
EnableWindow(hWndInstanceListBox, FALSE); } else { // set the default selection if there are entries in the
// list box and use the correct message depending on the
// selection options
if ((dwInstanceCount > 0) && (SendMessageW(hWndInstanceListBox, LB_GETCOUNT, 0, 0) != LB_ERR)) { if (pData->bSelectMultipleCounters) { SendMessageW(hWndInstanceListBox, LB_SETSEL, TRUE, 0); } else { SendMessageW(hWndInstanceListBox, LB_SETCURSEL, 0, 0); } } } } else { // there are no instances of this counter so display the
// string and disable the buttons and the list box
EnableWindow(hWndInstanceListBox, FALSE); EnableWindow(GetDlgItem(hDlg, IDC_ALL_INSTANCES), FALSE); EnableWindow(GetDlgItem(hDlg, IDC_USE_INSTANCE_LIST), FALSE); EnableWindow(GetDlgItem(hDlg, IDOK), TRUE); } } else { // unable to retrieve the counters and instances so
// clear and then...
SendMessageW(hWndCounterListBox, LB_RESETCONTENT, 0, 0); SendMessageW(hWndInstanceListBox, LB_RESETCONTENT, 0, 0); // disable the windows
szMsg = GetStringResource(IDS_BRWS_NO_INSTANCES); if (szMsg != NULL) { SendMessageW(hWndInstanceListBox, LB_ADDSTRING, 0, (LPARAM) szMsg); G_FREE(szMsg); } szMsg = GetStringResource(IDS_BRWS_NO_COUNTERS); if (szMsg != NULL) { SendMessageW(hWndCounterListBox, LB_ADDSTRING, 0, (LPARAM) szMsg); G_FREE(szMsg); } EnableWindow(hWndInstanceListBox, FALSE); EnableWindow(hWndCounterListBox, FALSE); EnableWindow(GetDlgItem(hDlg, IDC_ALL_INSTANCES), FALSE); EnableWindow(GetDlgItem(hDlg, IDC_USE_INSTANCE_LIST), FALSE); EnableWindow(GetDlgItem(hDlg, IDOK), FALSE); } bReturn = TRUE;
Cleanup: // restore the cursor to it's original shape
SetCursor(hOldCursor);
G_FREE(szMachineName); G_FREE(szObjectName); G_FREE(szDefaultCounter); G_FREE(szInstanceString); G_FREE(mszCounterList); G_FREE(mszInstanceList);
// return status
return bReturn;}
STATIC_PDH_FUNCTIONPdhiCompileSelectedObjectsT( HWND hDlg, LPVOID pUsersPathBuffer, DWORD cchUsersPathLength, BOOL bUnicode)/*++
Routine Description: Scans the selected objects, counter, instances and builds a multi-SZ string containing the expanded path of all the selections, unless the wild card syntax is specified.
Arguments: IN HWND hDlg Window Handle of Dialog containing the controls IN LPVOID pUsersPathBuffer pointer to the caller's buffer that will receive the MSZ string IN DWORD cchUsersPathLength size of caller's buffer in characters IN BOOL bUnicode size of characters to return: TRUE = WCHAR, FALSE = CHAR
Return Value: WIN32 Status of function completion ERROR_SUCCESS if successful--*/{ LPWSTR lszMachineName = NULL; LPWSTR lszObjectName = NULL; DWORD dwObjectName = 0; LPWSTR szWorkBuffer = NULL; DWORD dwWorkBuffer = 0; LRESULT iNumEntries; int iThisEntry; LRESULT iCurSelState; LRESULT iTextLen; LRESULT dwObjectFlags; DWORD dwBufferRemaining; DWORD dwSize1; PDH_COUNTER_PATH_ELEMENTS_W lszPath; LPVOID szCounterStart; PDH_STATUS pdhStatus = ERROR_SUCCESS; PPDHI_BROWSE_DIALOG_DATA pData;
// get pointer to dialog user data
pData = (PPDHI_BROWSE_DIALOG_DATA) GetWindowLongPtrW(hDlg, DWLP_USER); if (pData == NULL) { pdhStatus = PDH_NO_DIALOG_DATA; goto Cleanup; }
// clear user's string
if (pUsersPathBuffer != NULL) { // clear first four bytes of string
* ((LPDWORD) pUsersPathBuffer) = 0; dwBufferRemaining = cchUsersPathLength; szCounterStart = pUsersPathBuffer; } else { pdhStatus = PDH_INVALID_BUFFER; // no point in continuing if the caller doesn't have a buffer
goto Cleanup; }
// each counter path string is built by setting the elements of
// the counter data structure and then calling the MakeCounterPath
// function to build the string
// build base string using selected machine & objects from list
if (pData->bIncludeMachineInPath) { lszMachineName = PdhiGetDlgText(hDlg, IDC_MACHINE_COMBO); if (lszMachineName == NULL) { pdhStatus = PDH_MEMORY_ALLOCATION_FAILURE; goto Cleanup; } lszPath.szMachineName = lszMachineName; } else { lszPath.szMachineName = NULL; }
// Get number of objects currently listed in the list box
iNumEntries = SendMessageW(GetDlgItem(hDlg, IDC_OBJECT_LIST), LB_GETCOUNT, 0, 0); if (iNumEntries != LB_ERR) { lszPath.szCounterName = (LPWSTR) cszSplat; // wildcard counter entry
lszPath.szParentInstance = NULL; // no parent instances
lszPath.dwInstanceIndex = ((DWORD) -1); // no index numbers
for (iThisEntry = 0; iThisEntry < iNumEntries; iThisEntry++) { iCurSelState = SendMessageW(GetDlgItem(hDlg, IDC_OBJECT_LIST), LB_GETSEL, (WPARAM) iThisEntry, 0); if (iCurSelState > 0) { // then get the string and add it to the list
iTextLen = PdhiGetListText(hDlg, IDC_OBJECT_LIST, iThisEntry, & lszObjectName, & dwObjectName); dwObjectFlags = SendMessage(GetDlgItem(hDlg, IDC_OBJECT_LIST), LB_GETITEMDATA, (WPARAM) iThisEntry, 0); if (iTextLen != LB_ERR) { if (lszObjectName != NULL) { // build path elements
lszPath.szObjectName = lszObjectName; if (dwObjectFlags & PDH_OBJECT_HAS_INSTANCES) { lszPath.szInstanceName = (LPWSTR) cszSplat; // wildcard instance entry
} else { lszPath.szInstanceName = NULL; // no instance
} dwSize1 = dwWorkBuffer; pdhStatus = PdhMakeCounterPathW(& lszPath, szWorkBuffer, & dwSize1, 0); while (pdhStatus == PDH_MORE_DATA) { G_FREE(szWorkBuffer); dwWorkBuffer = dwSize1; szWorkBuffer = G_ALLOC(dwWorkBuffer * sizeof(WCHAR)); if (szWorkBuffer == NULL) { pdhStatus = PDH_MEMORY_ALLOCATION_FAILURE; } else { pdhStatus = PdhMakeCounterPathW(& lszPath, szWorkBuffer, & dwSize1, 0); } } } else { pdhStatus = PDH_MEMORY_ALLOCATION_FAILURE; } } else { pdhStatus = PDH_INVALID_ARGUMENT; } if (pdhStatus == ERROR_SUCCESS) { // add the string if there's room
pdhStatus = PdhiCopyString( & ((LPBYTE) szCounterStart), szWorkBuffer, & dwBufferRemaining, bUnicode); } } // else, item isn't selected so skip
} // end for each item in the list box
if (bUnicode) { * ((LPWSTR) szCounterStart) ++ = L'\0'; // terminate MSZ
} else { * ((LPSTR) szCounterStart) ++ = '\0'; // terminate MSZ
} }
Cleanup: G_FREE(lszMachineName); G_FREE(lszObjectName); G_FREE(szWorkBuffer); return pdhStatus;}
STATIC_PDH_FUNCTIONPdhiCompileSelectedObjectsW( HWND hDlg, LPWSTR szUsersPathBuffer, DWORD cchUsersPathLength){ return PdhiCompileSelectedObjectsT(hDlg, (LPVOID) szUsersPathBuffer, cchUsersPathLength, TRUE);}
STATIC_PDH_FUNCTIONPdhiCompileSelectedObjectsA( HWND hDlg, LPSTR szUsersPathBuffer, DWORD cchUsersPathLength){ return PdhiCompileSelectedObjectsT(hDlg, (LPVOID) szUsersPathBuffer, cchUsersPathLength, FALSE);}
STATIC_PDH_FUNCTIONPdhiCompileSelectedCountersT( HWND hDlg, LPVOID pUsersPathBuffer, DWORD cchUsersPathLength, BOOL bUnicode)/*++
Routine Description: Scans the selected objects, counter, instances and builds a multi-SZ string containing the expanded path of all the selections, unless the wild card syntax is specified.
Arguments: IN HWND hDlg Window Handle of Dialog containing the controls IN LPVOID pUsersPathBuffer pointer to the caller's buffer that will receive the MSZ string IN DWORD cchUsersPathLength size of caller's buffer in characters IN BOOL bUnicode size of characters to return: TRUE = WCHAR, FALSE = CHAR
Return Value: WIN32 Status of function completion ERROR_SUCCESS if successful--*/{ LPWSTR lszMachineName = NULL; LPWSTR lszObjectName = NULL; LPWSTR lszFullInstance = NULL; DWORD dwFullInstance = 0; LPWSTR lszInstanceName = NULL; DWORD dwInstanceName = 0; LPWSTR lszParentInstance = NULL; DWORD dwParentInstance = 0; LPWSTR lszCounterName = NULL; DWORD dwCounterName = 0; LPWSTR szWorkBuffer = NULL; DWORD dwWorkBuffer = 0; DWORD dwBufferRemaining; DWORD dwCountCounters; DWORD dwThisCounter; DWORD dwCountInstances; DWORD dwThisInstance; DWORD dwSize1; DWORD dwSize2; PDH_COUNTER_PATH_ELEMENTS_W lszPath; LPVOID szCounterStart; HWND hWndCounterList; HWND hWndInstanceList; BOOL bSel; PDH_STATUS pdhStatus = ERROR_SUCCESS; PPDHI_BROWSE_DIALOG_DATA pData; LRESULT iTextLen;
// get pointer to dialog user data
pData = (PPDHI_BROWSE_DIALOG_DATA) GetWindowLongPtrW(hDlg, DWLP_USER); if (pData == NULL) { pdhStatus = PDH_NO_DIALOG_DATA; goto Cleanup; }
// clear user's string
if (pUsersPathBuffer != NULL) { // clear first four bytes of string
* ((LPDWORD) pUsersPathBuffer) = 0; dwBufferRemaining = cchUsersPathLength; szCounterStart = pUsersPathBuffer; } else { pdhStatus = PDH_INVALID_BUFFER; // no point in continuing if the caller doesn't have a buffer
goto Cleanup; }
// each counter path string is built by setting the elements of
// the counter data structure and then calling the MakeCounterPath
// function to build the string
// build base string using selected machine and object
if (pData->bIncludeMachineInPath) { lszMachineName = PdhiGetDlgText(hDlg, IDC_MACHINE_COMBO); if (lszMachineName == NULL) { pdhStatus = PDH_MEMORY_ALLOCATION_FAILURE; goto Cleanup; } lszPath.szMachineName = lszMachineName; } else { lszPath.szMachineName = NULL; }
lszObjectName = PdhiGetDlgText(hDlg, IDC_OBJECT_COMBO); if (lszObjectName == NULL) { pdhStatus = PDH_MEMORY_ALLOCATION_FAILURE; goto Cleanup; } lszPath.szObjectName = lszObjectName;
hWndCounterList = GetDlgItem(hDlg, IDC_COUNTER_LIST); hWndInstanceList = GetDlgItem(hDlg, IDC_INSTANCE_LIST);
if (pData->bSelectMultipleCounters) { if (pData->bWildCardInstances && pData->bSelectAllInstances) { if (IsWindowEnabled(GetDlgItem(hDlg, IDC_ALL_INSTANCES))) { // then this object has instances and we want ALL of them
lszPath.szInstanceName = (LPWSTR) cszSplat; // wildcard instances
lszPath.szParentInstance = NULL; lszPath.dwInstanceIndex = (DWORD) -1; } else { // this object has no instances
lszPath.szInstanceName = NULL; lszPath.szParentInstance = NULL; lszPath.dwInstanceIndex = (DWORD) -1; } // make a counter path for each selected counter
if (pData->bSelectAllCounters) { lszPath.szCounterName = (LPWSTR) cszSplat; // wildcard counters
dwSize1 = dwWorkBuffer; pdhStatus = PdhMakeCounterPathW(& lszPath, szWorkBuffer, & dwSize1, 0); while (pdhStatus == PDH_MORE_DATA) { G_FREE(szWorkBuffer); dwWorkBuffer = dwSize1; szWorkBuffer = G_ALLOC(dwWorkBuffer * sizeof(WCHAR)); if (szWorkBuffer == NULL) { pdhStatus = PDH_MEMORY_ALLOCATION_FAILURE; } else { pdhStatus = PdhMakeCounterPathW(& lszPath, szWorkBuffer, & dwSize1, 0); } } if (pdhStatus == ERROR_SUCCESS) { // add the string if there's room
pdhStatus = PdhiCopyString(& ((LPBYTE) szCounterStart), szWorkBuffer, & dwBufferRemaining, bUnicode); } } else { dwCountCounters = (DWORD)SendMessageW(hWndCounterList, LB_GETCOUNT, 0, 0); for (dwThisCounter = 0; dwThisCounter < dwCountCounters; dwThisCounter++) { if (SendMessageW(hWndCounterList, LB_GETSEL, (WPARAM) dwThisCounter, 0) > 0) { iTextLen = PdhiGetListText( hDlg, IDC_COUNTER_LIST, dwThisCounter, & lszCounterName, & dwCounterName); if (iTextLen == LB_ERR) continue; if (lszCounterName == NULL) { pdhStatus = PDH_MEMORY_ALLOCATION_FAILURE; goto Cleanup; } lszPath.szCounterName = lszCounterName; dwSize1 = dwWorkBuffer; pdhStatus = PdhMakeCounterPathW(& lszPath, szWorkBuffer, & dwSize1, 0); while (pdhStatus == PDH_MORE_DATA) { G_FREE(szWorkBuffer); dwWorkBuffer = dwSize1; szWorkBuffer = G_ALLOC(dwWorkBuffer * sizeof(WCHAR)); if (szWorkBuffer == NULL) { pdhStatus = PDH_MEMORY_ALLOCATION_FAILURE; } else { pdhStatus = PdhMakeCounterPathW(& lszPath, szWorkBuffer, & dwSize1, 0); } } if (pdhStatus == ERROR_SUCCESS) { // add the string if there's room
pdhStatus = PdhiCopyString(& ((LPBYTE) szCounterStart), szWorkBuffer, & dwBufferRemaining, bUnicode); } } // end if this counter was selected
} // end for each counter in object list box
} } else { // get selected instances from list
dwCountCounters = (DWORD)SendMessageW(hWndCounterList, LB_GETCOUNT, 0, 0); for (dwThisCounter = 0; dwThisCounter < dwCountCounters; dwThisCounter++) { bSel = (BOOL) SendMessageW(hWndCounterList, LB_GETSEL, (WPARAM) dwThisCounter, 0); if (bSel || pData->bSelectAllCounters) { iTextLen = PdhiGetListText( hDlg, IDC_COUNTER_LIST, dwThisCounter, & lszCounterName, & dwCounterName); if (iTextLen == LB_ERR) continue; if (lszCounterName == NULL) { pdhStatus = PDH_MEMORY_ALLOCATION_FAILURE; goto Cleanup; } lszPath.szCounterName = lszCounterName; if (IsWindowEnabled(hWndInstanceList) || pData->bSelectAllInstances) { dwCountInstances = (DWORD)SendMessageW(hWndInstanceList, LB_GETCOUNT, 0, 0); for (dwThisInstance = 0; dwThisInstance < dwCountInstances; dwThisInstance++) { if (SendMessageW(hWndInstanceList, LB_GETSEL, (WPARAM) dwThisInstance, 0) || pData->bSelectAllInstances) { iTextLen = PdhiGetListText( hDlg, IDC_INSTANCE_LIST, dwThisInstance, & lszFullInstance, & dwFullInstance); if (iTextLen == LB_ERR) continue; if (lszFullInstance == NULL) { pdhStatus = PDH_MEMORY_ALLOCATION_FAILURE; goto Cleanup; } lszPath.szInstanceName = lszFullInstance; dwSize1 = dwInstanceName; dwSize2 = dwParentInstance; if (lszInstanceName != NULL) { ZeroMemory(lszInstanceName, dwInstanceName * sizeof(WCHAR)); } if (lszParentInstance != NULL) { ZeroMemory(lszParentInstance, dwParentInstance * sizeof(WCHAR)); } pdhStatus = PdhParseInstanceNameW(lszFullInstance, lszInstanceName, & dwSize1, lszParentInstance, & dwSize2, & lszPath.dwInstanceIndex); while (pdhStatus == PDH_MORE_DATA) { if (dwSize1 > 0 && dwSize1 > dwInstanceName) { G_FREE(lszInstanceName); dwInstanceName = dwSize1; lszInstanceName = G_ALLOC(dwInstanceName * sizeof(WCHAR)); if (lszInstanceName == NULL) pdhStatus = PDH_MEMORY_ALLOCATION_FAILURE; } if (dwSize2 > 0 && dwSize2 > dwParentInstance) { G_FREE(lszParentInstance); dwParentInstance = dwSize2; lszParentInstance = G_ALLOC(dwParentInstance * sizeof(WCHAR)); if (lszParentInstance == NULL) pdhStatus = PDH_MEMORY_ALLOCATION_FAILURE; } if (pdhStatus != PDH_MEMORY_ALLOCATION_FAILURE) { pdhStatus = PdhParseInstanceNameW(lszFullInstance, lszInstanceName, & dwSize1, lszParentInstance, & dwSize2, & lszPath.dwInstanceIndex); } } if (pdhStatus == ERROR_SUCCESS) { // parse instance name adds in the default index if one is
// not present. so if it's not wanted, this will remove it
if (!pData->bShowIndex) { lszPath.dwInstanceIndex = (DWORD) -1; } else { // only add in the instance # if it's not 0
if (lszPath.dwInstanceIndex == 0) { lszPath.dwInstanceIndex = (DWORD) -1; } } if (dwInstanceName > 1) { lszPath.szInstanceName = lszInstanceName; } else { lszPath.szInstanceName = NULL; } if (dwParentInstance > 1) { lszPath.szParentInstance = lszParentInstance; } else { lszPath.szParentInstance = NULL; } } else { // ignore the instances
lszPath.szInstanceName = NULL; lszPath.szParentInstance = NULL; }
dwSize1 = dwWorkBuffer; pdhStatus = PdhMakeCounterPathW(& lszPath, szWorkBuffer, & dwSize1, 0); while (pdhStatus == PDH_MORE_DATA) { G_FREE(szWorkBuffer); dwWorkBuffer = dwSize1; szWorkBuffer = G_ALLOC(dwWorkBuffer * sizeof(WCHAR)); if (szWorkBuffer == NULL) { pdhStatus = PDH_MEMORY_ALLOCATION_FAILURE; } else { pdhStatus = PdhMakeCounterPathW(& lszPath, szWorkBuffer, & dwSize1, 0); } } if (pdhStatus == ERROR_SUCCESS) { pdhStatus = PdhiCopyString(& ((LPBYTE) szCounterStart), szWorkBuffer, & dwBufferRemaining, bUnicode); } } // end if instance is selected
} // end for each instance in list
} else { // this counter has no instances so process now
lszPath.szInstanceName = NULL; lszPath.szParentInstance = NULL; lszPath.dwInstanceIndex = (DWORD)-1;
dwSize1 = dwWorkBuffer; pdhStatus = PdhMakeCounterPathW(& lszPath, szWorkBuffer, & dwSize1, 0); while (pdhStatus == PDH_MORE_DATA) { G_FREE(szWorkBuffer); dwWorkBuffer = dwSize1; szWorkBuffer = G_ALLOC(dwWorkBuffer * sizeof(WCHAR)); if (szWorkBuffer == NULL) { pdhStatus = PDH_MEMORY_ALLOCATION_FAILURE; } else { pdhStatus = PdhMakeCounterPathW(& lszPath, szWorkBuffer, & dwSize1, 0); } } if (pdhStatus == ERROR_SUCCESS) { pdhStatus = PdhiCopyString(& ((LPBYTE) szCounterStart), szWorkBuffer, & dwBufferRemaining, bUnicode); } } // end if counter has instances
} // else counter is not selected
} // end for each counter in list
} } // end if not wild card instances
else { dwThisCounter = (DWORD) SendMessageW(hWndCounterList, LB_GETCURSEL, 0, 0); if (dwThisCounter == LB_ERR) { // counter not found so select 0
dwThisCounter = 0; } iTextLen = PdhiGetListText(hDlg, IDC_COUNTER_LIST, dwThisCounter, & lszCounterName, & dwCounterName); if (iTextLen == LB_ERR) { pdhStatus = PDH_INVALID_DATA; goto Cleanup; } else if (lszCounterName == NULL) { pdhStatus = PDH_MEMORY_ALLOCATION_FAILURE; goto Cleanup; } lszPath.szCounterName = lszCounterName;
// only single selections are allowed
if (pData->bWildCardInstances && pData->bSelectAllInstances) { lszPath.szInstanceName = (LPWSTR) cszSplat; // wildcard instances
lszPath.szParentInstance = NULL; lszPath.dwInstanceIndex = (DWORD) -1;
dwSize1 = dwWorkBuffer; pdhStatus = PdhMakeCounterPathW(& lszPath, szWorkBuffer, & dwSize1, 0); while (pdhStatus == PDH_MORE_DATA) { G_FREE(szWorkBuffer); dwWorkBuffer = dwSize1; szWorkBuffer = G_ALLOC(dwWorkBuffer * sizeof(WCHAR)); if (szWorkBuffer == NULL) { pdhStatus = PDH_MEMORY_ALLOCATION_FAILURE; } else { pdhStatus = PdhMakeCounterPathW(& lszPath, szWorkBuffer, & dwSize1, 0); } } if (pdhStatus == ERROR_SUCCESS) { pdhStatus = PdhiCopyString(& ((LPBYTE) szCounterStart), szWorkBuffer, & dwBufferRemaining, bUnicode); } } else { // get selected instance from list
if (IsWindowEnabled(hWndInstanceList)) { dwThisInstance = (DWORD)SendMessageW(hWndInstanceList, LB_GETCURSEL, 0, 0); if (dwThisInstance == LB_ERR) { // instance not found so select 0
dwThisInstance = 0; } iTextLen = PdhiGetListText( hDlg, IDC_INSTANCE_LIST, dwThisInstance, & lszFullInstance, & dwFullInstance); if (iTextLen == LB_ERR) { pdhStatus = PDH_INVALID_DATA; goto Cleanup; } else if (lszFullInstance == NULL) { pdhStatus = PDH_MEMORY_ALLOCATION_FAILURE; goto Cleanup; } lszPath.szCounterName = lszCounterName; dwSize1 = dwInstanceName; dwSize2 = dwParentInstance; if (lszInstanceName != NULL) { ZeroMemory(lszInstanceName, dwInstanceName * sizeof(WCHAR)); } if (lszParentInstance != NULL) { ZeroMemory(lszParentInstance, dwParentInstance * sizeof(WCHAR)); } pdhStatus = PdhParseInstanceNameW(lszFullInstance, lszInstanceName, & dwSize1, lszParentInstance, & dwSize2, & lszPath.dwInstanceIndex); while (pdhStatus == PDH_MORE_DATA) { if (dwSize1 > 0 && dwSize1 > dwInstanceName) { G_FREE(lszInstanceName); dwInstanceName = dwSize1; lszInstanceName = G_ALLOC(dwInstanceName * sizeof(WCHAR)); if (lszInstanceName == NULL) pdhStatus = PDH_MEMORY_ALLOCATION_FAILURE; } if (dwSize2 > 0 && dwSize2 > dwParentInstance) { G_FREE(lszParentInstance); dwParentInstance = dwSize2; lszParentInstance = G_ALLOC(dwParentInstance * sizeof(WCHAR)); if (lszParentInstance == NULL) pdhStatus = PDH_MEMORY_ALLOCATION_FAILURE; } if (pdhStatus != PDH_MEMORY_ALLOCATION_FAILURE) { pdhStatus = PdhParseInstanceNameW(lszFullInstance, lszInstanceName, & dwSize1, lszParentInstance, & dwSize2, & lszPath.dwInstanceIndex); } } if (pdhStatus == ERROR_SUCCESS ) { // parse instance name adds in the default index of one is
// not present. so if it's not wanted, this will remove it
if (!pData->bShowIndex) { lszPath.dwInstanceIndex = (DWORD) -1; } // size values include trailing NULL char so
// strings must be > 1 char in length to have some
// text since a length of 1 would imply only a
// NULL character.
if (dwInstanceName > 1) { lszPath.szInstanceName = lszInstanceName; } else { lszPath.szInstanceName = NULL; } if (dwParentInstance > 1) { lszPath.szParentInstance = lszParentInstance; } else { lszPath.szParentInstance = NULL; } } else { // skip this instance
lszPath.szParentInstance = NULL; lszPath.szInstanceName = NULL; lszPath.dwInstanceIndex = (DWORD) -1; } } else { // this counter has no instances so process now
lszPath.szInstanceName = NULL; lszPath.szParentInstance = NULL; lszPath.dwInstanceIndex = (DWORD) -1; } // end if counter has instances
dwSize1 = dwWorkBuffer; pdhStatus = PdhMakeCounterPathW(& lszPath, szWorkBuffer, & dwSize1, 0); while (pdhStatus == PDH_MORE_DATA) { G_FREE(szWorkBuffer); dwWorkBuffer = dwSize1; szWorkBuffer = G_ALLOC(dwWorkBuffer * sizeof(WCHAR)); if (szWorkBuffer == NULL) { pdhStatus = PDH_MEMORY_ALLOCATION_FAILURE; } else { pdhStatus = PdhMakeCounterPathW(& lszPath, szWorkBuffer, & dwSize1, 0); } } if (pdhStatus == ERROR_SUCCESS) { pdhStatus = PdhiCopyString(& ((LPBYTE) szCounterStart), szWorkBuffer, & dwBufferRemaining, bUnicode); } } // end if not wild card instances
}
if (bUnicode) { * ((LPWSTR) szCounterStart) ++ = L'\0'; // terminate MSZ
} else { * ((LPSTR) szCounterStart) ++ = '\0'; // terminate MSZ
}
Cleanup: G_FREE(lszMachineName); G_FREE(lszObjectName); G_FREE(lszCounterName); G_FREE(lszInstanceName); G_FREE(lszParentInstance); G_FREE(szWorkBuffer); return pdhStatus;}
STATIC_PDH_FUNCTIONPdhiCompileSelectedCountersW( HWND hDlg, LPWSTR szUsersPathBuffer, DWORD cchUsersPathLength)/*++
Routine Description: UNICODE function wrapper for base function which scans the selected objects, counter, instances and builds a multi-SZ string containing the expanded path of all the selections, unless the wild card syntax is specified.
Arguments: IN HWND hDlg Window Handle of Dialog containing the controls IN LPWSTR szUsersPathBuffer pointer to the caller's buffer that will receive the MSZ wide characters string IN DWORD cchUsersPathLength size of caller's buffer in characters
Return Value: WIN32 Status of function completion ERROR_SUCCESS if successful--*/{ return PdhiCompileSelectedCountersT(hDlg, (LPVOID) szUsersPathBuffer, cchUsersPathLength, TRUE);}
STATIC_PDH_FUNCTIONPdhiCompileSelectedCountersA( HWND hDlg, LPSTR szUsersPathBuffer, DWORD cchUsersPathLength)/*++
Routine Description: ANSI function wrapper for base function which scans the selected objects, counter, instances and builds a multi-SZ string containing the expanded path of all the selections, unless the wild card syntax is specified.
Arguments: IN HWND hDlg Window Handle of Dialog containing the controls IN LPsSTR szUsersPathBuffer pointer to the caller's buffer that will receive the MSZ single-byte characters string IN DWORD cchUsersPathLength size of caller's buffer in characters
Return Value: WIN32 Status of function completion ERROR_SUCCESS if successful--*/{ return PdhiCompileSelectedCountersT(hDlg, (LPVOID) szUsersPathBuffer, cchUsersPathLength, FALSE);}
STATIC_BOOLPdhiBrowseCtrDlg_MACHINE_COMBO( HWND hDlg, WORD wNotifyMsg, HWND hWndControl)/*++
Routine Description: Processes the windows messags sent by the Machine selection combo box
Arguments: IN HWND hDlg Window Handle to the dialog box containing the control IN WORD wNotifyMsg Notification message sent by the control IN HWND hWndControl Window handle of the control sending the message
Return Value: TRUE if this function handles the message FALSE if this function did not process the message and the Default message handler for this function should handle the message--*/{ LPWSTR szNewMachineName = NULL; DWORD dwNewMachineName = 0; HWND hWndMachineCombo = hWndControl; long lMatchIndex; HCURSOR hOldCursor; PPDHI_BROWSE_DIALOG_DATA pData; BOOL bReturn = FALSE;
pData = (PPDHI_BROWSE_DIALOG_DATA) GetWindowLongPtrW(hDlg, DWLP_USER); if (pData != NULL) { switch (wNotifyMsg) { case CBN_KILLFOCUS: // the user has left the control so see if there's a new
// machine name that will need to be connected to and loaded
// display the wait cursor as this could take a while
hOldCursor = SetCursor(LoadCursor (NULL, IDC_WAIT));
// Get current combo box text
dwNewMachineName = GetWindowTextLength(hWndMachineCombo); if (dwNewMachineName != 0) { dwNewMachineName ++; szNewMachineName = G_ALLOC(dwNewMachineName * sizeof(WCHAR)); if (szNewMachineName != NULL) { GetWindowTextW(hWndMachineCombo, szNewMachineName, dwNewMachineName);
// see if it's in the combo box already
lMatchIndex = (long) SendMessageW(hWndMachineCombo, CB_FINDSTRINGEXACT, (WPARAM) -1, (LPARAM) szNewMachineName); // if name is in list, then select it and initialize the dialog
// update the current counter list & data block for this machine
// in the process.
if (lMatchIndex != CB_ERR) { // this name is already in the list so see if it's the same as the last selected machine
if (lstrcmpiW(szNewMachineName, pData->szLastMachineName) != 0) { // this is a different machine so update the display
SendMessageW(hWndMachineCombo, CB_SETCURSEL, (WPARAM) lMatchIndex, 0); if (DataSourceTypeH(pData->pDlgData->hDataSource) != DATA_SOURCE_LOGFILE) { if (PdhiLoadNewMachine(hDlg, szNewMachineName, FALSE)) { // display explain text if necessary
SendMessageW(hDlg, WM_COMMAND, MAKEWPARAM(IDC_COUNTER_LIST, LBN_SELCHANGE), (LPARAM) GetDlgItem(hDlg, IDC_COUNTER_LIST)); StringCchCopyW(pData->szLastMachineName, MAX_PATH, szNewMachineName); } } else { PdhiLoadMachineObjects(hDlg, TRUE); PdhiLoadCountersAndInstances(hDlg); } } } else { if (PdhiLoadNewMachine(hDlg, szNewMachineName, TRUE)) { // new machine loaded and selected so save the name.
StringCchCopyW(pData->szLastMachineName, MAX_PATH, szNewMachineName); } } G_FREE(szNewMachineName); } } SetCursor (hOldCursor); bReturn = TRUE; break;
default: break; } }
return bReturn;}
STATIC_BOOLPdhiBrowseCtrDlg_MACHINE_BUTTON( HWND hDlg, WORD wNotifyMsg, HWND hWndControl)/*++
Routine Description: Processes the windows message that occurs when one of the machine context selection buttons in pressed in the dialog
Arguments: IN HWND hDlg Window Handle to the dialog box containing the button controls IN WORD wNotifyMsg Notification message sent by the button IN HWND hWndControl Window handle of the control sending the message
Return Value: TRUE if this function handles the message FALSE if this function did not process the message and the Default message handler for this function should handle the message--*/{ BOOL bMode; PPDHI_BROWSE_DIALOG_DATA pData; HWND hWndMachineCombo; BOOL bReturn = FALSE;
UNREFERENCED_PARAMETER(hWndControl); pData = (PPDHI_BROWSE_DIALOG_DATA)GetWindowLongPtrW(hDlg, DWLP_USER); if (pData != NULL) { switch (wNotifyMsg) { case BN_CLICKED: // select the current display and processing mode based
// on the button that his currently checked.
bMode = ! (BOOL) IsDlgButtonChecked(hDlg, IDC_USE_LOCAL_MACHINE); EnableWindow(GetDlgItem(hDlg, IDC_MACHINE_COMBO), bMode); if (! bMode) { hWndMachineCombo = GetDlgItem(hDlg, IDC_MACHINE_COMBO); // then this is a Local machine query so
// make sure the machine name is set to the local machine
SetWindowTextW(hWndMachineCombo, szStaticLocalMachineName); PdhiBrowseCtrDlg_MACHINE_COMBO(hDlg, CBN_KILLFOCUS, hWndMachineCombo); } pData->bIncludeMachineInPath = bMode; bReturn = TRUE; break;
default: break; } } return bReturn;}
STATIC_BOOLPdhiBrowseCtrDlg_OBJECT_COMBO( HWND hDlg, WORD wNotifyMsg, HWND hWndControl)/*++
Routine Description: Processes the windows messags sent by the Object selection combo box.
Arguments: IN HWND hDlg Window Handle to the dialog box containing the control IN WORD wNotifyMsg Notification message sent by the control IN HWND hWndControl Window handle of the control sending the message
Return Value: TRUE if this function handles the message FALSE if this function did not process the message and the Default message handler for this function should handle the message--*/{ BOOL bReturn = FALSE;
UNREFERENCED_PARAMETER(hWndControl);
switch (wNotifyMsg) { case CBN_SELCHANGE: PdhiLoadCountersAndInstances(hDlg); SendMessageW(hDlg, WM_COMMAND, MAKEWPARAM(IDC_COUNTER_LIST, LBN_SELCHANGE), (LPARAM) GetDlgItem(hDlg, IDC_COUNTER_LIST)); bReturn = TRUE; break;
default: break; } return bReturn;}
STATIC_BOOLPdhiBrowseCtrDlg_COUNTER_LIST( HWND hDlg, WORD wNotifyMsg, HWND hWndControl)/*++
Routine Description: Processes the windows messags sent by the Object selection combo box.
Arguments: IN HWND hDlg Window Handle to the dialog box containing the control IN WORD wNotifyMsg Notification message sent by the control IN HWND hWndControl Window handle of the control sending the message
Return Value: TRUE if this function handles the message FALSE if this function did not process the message and the Default message handler for this function should handle the message--*/{ LPWSTR szMachineName = NULL; LPWSTR szObjectName = NULL; LPWSTR szCounterName = NULL; LPWSTR szDisplayString = NULL; LRESULT lDisplayString; DWORD dwDisplayString; LPWSTR szExplainText = NULL; WCHAR szNullDisplay[1]; BOOL bFreeExplain = FALSE; LONG lIndex; BOOL bReturn = FALSE;
UNREFERENCED_PARAMETER (hWndControl); switch (wNotifyMsg) { case LBN_SELCHANGE: bReturn = TRUE; if (hExplainDlg != NULL) { szMachineName = PdhiGetDlgText(hDlg, IDC_MACHINE_COMBO); szObjectName = PdhiGetDlgText(hDlg, IDC_OBJECT_COMBO); if (szMachineName == NULL || szObjectName == NULL) break;
lIndex = (LONG) SendDlgItemMessageW(hDlg, IDC_COUNTER_LIST, LB_GETCARETINDEX, 0, 0); if (lIndex != LB_ERR) { lDisplayString = SendDlgItemMessageW(hDlg, IDC_COUNTER_LIST, LB_GETTEXTLEN, (WPARAM) lIndex, 0L); if (lDisplayString != LB_ERR) { szCounterName = G_ALLOC(sizeof(WCHAR) * ((DWORD) lDisplayString + 1)); if (szCounterName == NULL) break;
lIndex = (LONG) SendDlgItemMessageW( hDlg, IDC_COUNTER_LIST, LB_GETTEXT, (WPARAM) lIndex, (LPARAM) szCounterName);
if (dwPdhiLocalDefaultDataSource == DATA_SOURCE_WBEM) { PDH_STATUS Status = PDH_MORE_DATA; DWORD dwExplain = 0;
szExplainText = NULL; while (Status == PDH_MORE_DATA) { dwExplain += MAX_PATH; G_FREE(szExplainText); szExplainText = G_ALLOC(dwExplain * sizeof(WCHAR)); if (szExplainText == NULL) { bFreeExplain = FALSE; Status = PDH_MEMORY_ALLOCATION_FAILURE; } else { bFreeExplain = TRUE; Status = PdhiGetWbemExplainText(szMachineName, szObjectName, szCounterName, szExplainText, & dwExplain); } } if (Status != ERROR_SUCCESS) { if (bFreeExplain) { bFreeExplain = FALSE; G_FREE(szExplainText); } szExplainText = NULL; } } else { szExplainText = PdhiGetExplainText(szMachineName, szObjectName, szCounterName); } dwDisplayString = lstrlenW(szMachineName) + lstrlenW(szObjectName) + lstrlenW(szCounterName) + 3; szDisplayString = G_ALLOC(dwDisplayString * sizeof(WCHAR)); if (szDisplayString != NULL) { StringCchPrintfW(szDisplayString, dwDisplayString, L"%ws\\%ws\\%ws", szMachineName, szObjectName, szCounterName); } else { szNullDisplay[0] = L'\0'; szDisplayString = szNullDisplay; } } else { szExplainText = NULL; szNullDisplay[0] = L'\0'; szDisplayString = szNullDisplay; } } else { szExplainText = NULL; szNullDisplay[0] = L'\0'; szDisplayString = szNullDisplay; } SendMessageW(hExplainDlg, EDM_UPDATE_EXPLAIN_TEXT, 0, (LPARAM) szExplainText); SendMessageW(hExplainDlg, EDM_UPDATE_TITLE_TEXT, 0, (LPARAM) szDisplayString); } }
G_FREE(szMachineName); G_FREE(szObjectName); G_FREE(szCounterName); if (szDisplayString != szNullDisplay) G_FREE(szDisplayString); if (bFreeExplain) G_FREE(szExplainText);
return bReturn;}
STATIC_BOOLPdhiBrowseCtrDlg_OBJECT_LIST( HWND hDlg, WORD wNotifyMsg, HWND hWndControl)/*++
Routine Description:
Processes the windows messags sent by the Object selection combo box.
Arguments:
IN HWND hDlg Window Handle to the dialog box containing the control
IN WORD wNotifyMsg Notification message sent by the control
IN HWND hWndControl Window handle of the control sending the message
Return Value:
TRUE if this function handles the message FALSE if this function did not process the message and the Default message handler for this function should handle the message
--*/{ LPWSTR szMachineName = NULL; LPWSTR szObjectName = NULL; LPWSTR szDisplayString = NULL; LRESULT lDisplayString; DWORD dwDisplayString; LPWSTR szExplainText = NULL; WCHAR szNullDisplay[1]; BOOL bFreeExplain = FALSE; LONG lIndex; BOOL bReturn = FALSE;
UNREFERENCED_PARAMETER (hWndControl);
switch (wNotifyMsg) { case LBN_SELCHANGE: bReturn = TRUE; if (hExplainDlg != NULL) { szMachineName = PdhiGetDlgText(hDlg, IDC_MACHINE_COMBO); if (szMachineName == NULL) break;
lIndex = (LONG) SendDlgItemMessageW(hDlg, IDC_OBJECT_LIST, LB_GETCARETINDEX, 0, 0); if (lIndex != LB_ERR) { lDisplayString = SendDlgItemMessageW(hDlg, IDC_OBJECT_LIST, LB_GETTEXTLEN, (WPARAM) lIndex, 0L); if (lDisplayString != LB_ERR) { szObjectName = G_ALLOC(sizeof(WCHAR) * ((DWORD) lDisplayString + 1)); if (szObjectName == NULL) break;
lIndex = (LONG) SendDlgItemMessageW( hDlg, IDC_OBJECT_LIST, LB_GETTEXT, (WPARAM) lIndex, (LPARAM) szObjectName);
if (dwPdhiLocalDefaultDataSource == DATA_SOURCE_WBEM) { PDH_STATUS Status = PDH_MORE_DATA; DWORD dwExplain = 0;
szExplainText = NULL; while (Status == PDH_MORE_DATA) { dwExplain += MAX_PATH; G_FREE(szExplainText); szExplainText = G_ALLOC(dwExplain * sizeof(WCHAR)); if (szExplainText == NULL) { bFreeExplain = FALSE; Status = PDH_MEMORY_ALLOCATION_FAILURE; } else { bFreeExplain = TRUE; Status = PdhiGetWbemExplainText(szMachineName, szObjectName, NULL, szExplainText, & dwExplain); } } if (Status != ERROR_SUCCESS) { if (bFreeExplain) { bFreeExplain = FALSE; G_FREE(szExplainText); } szExplainText = NULL; } } else { szExplainText = PdhiGetExplainText( szMachineName, szObjectName, NULL); }
dwDisplayString = lstrlenW(szMachineName) + lstrlenW(szObjectName) + 2; szDisplayString = G_ALLOC(dwDisplayString * sizeof(WCHAR)); if (szDisplayString != NULL) { StringCchPrintfW(szDisplayString, dwDisplayString, L"%ws\\%ws", szMachineName, szObjectName); } else { szNullDisplay[0] = L'\0'; szDisplayString = szNullDisplay; } } else { szExplainText = NULL; szNullDisplay[0] = L'\0'; szDisplayString = szNullDisplay; } } else { szExplainText = NULL; szNullDisplay[0] = L'\0'; szDisplayString = szNullDisplay; } SendMessageW(hExplainDlg, EDM_UPDATE_EXPLAIN_TEXT, 0, (LPARAM) szExplainText); SendMessageW(hExplainDlg, EDM_UPDATE_TITLE_TEXT, 0, (LPARAM) szDisplayString); } }
G_FREE(szMachineName); G_FREE(szObjectName); if (szDisplayString != szNullDisplay) G_FREE(szDisplayString); if (bFreeExplain) G_FREE(szExplainText); return bReturn;}
STATIC_BOOLPdhiBrowseCtrDlg_DETAIL_COMBO( HWND hDlg, WORD wNotifyMsg, HWND hWndControl)/*++
Routine Description: Processes the windows messags sent by the Detail Level Combo box.
Arguments: IN HWND hDlg Window Handle to the dialog box containing the control IN WORD wNotifyMsg Notification message sent by the control IN HWND hWndControl Window handle of the control sending the message
Return Value: TRUE if this function handles the message FALSE if this function did not process the message and the Default message handler for this function should handle the message--*/{ DWORD dwCurSel; PPDHI_BROWSE_DIALOG_DATA pData; BOOL bReturn = FALSE;
pData = (PPDHI_BROWSE_DIALOG_DATA) GetWindowLongPtrW(hDlg, DWLP_USER); if (pData != NULL) { switch (wNotifyMsg) { case CBN_SELCHANGE: dwCurSel = (DWORD) SendMessageW(hWndControl, CB_GETCURSEL, 0, 0); if (dwCurSel != CB_ERR) { pData->dwCurrentDetailLevel = (DWORD) SendMessageW(hWndControl, CB_GETITEMDATA, (WPARAM) dwCurSel, 0); // update all the windows to show the new level
PdhiLoadMachineObjects(hDlg, FALSE); PdhiLoadCountersAndInstances(hDlg); // display explain text if necessary
SendMessageW(hDlg, WM_COMMAND, MAKEWPARAM(IDC_COUNTER_LIST, LBN_SELCHANGE), (LPARAM) GetDlgItem(hDlg, IDC_COUNTER_LIST)); } bReturn = TRUE; break;
default: break; } } return bReturn;}
STATIC_BOOLPdhiBrowseCtrDlg_INSTANCE_BUTTON( HWND hDlg, WORD wNotifyMsg, HWND hWndControl)/*++
Routine Description: Processes the windows messags sent by the Instance configuration selection buttons
Arguments: IN HWND hDlg Window Handle to the dialog box containing the control IN WORD wNotifyMsg Notification message sent by the control IN HWND hWndControl Window handle of the control sending the message
Return Value: TRUE if this function handles the message FALSE if this function did not process the message and the Default message handler for this function should handle the message--*/{ BOOL bMode; HWND hWndInstanceList; PPDHI_BROWSE_DIALOG_DATA pData; BOOL bReturn = FALSE;
UNREFERENCED_PARAMETER(hWndControl); pData = (PPDHI_BROWSE_DIALOG_DATA) GetWindowLongPtrW(hDlg, DWLP_USER); if (pData != NULL) { switch (wNotifyMsg) { case BN_CLICKED: bMode = (BOOL) IsDlgButtonChecked(hDlg, IDC_ALL_INSTANCES); hWndInstanceList = GetDlgItem(hDlg, IDC_INSTANCE_LIST); // if "Select ALL" then clear list box selections and disable
// the list box
if (bMode) { SendMessageW(hWndInstanceList, LB_SETSEL, FALSE, (LPARAM) -1); } else { LRESULT dwCountInstance = SendMessage(hWndInstanceList, LB_GETCOUNT, 0, 0); LRESULT dwThisInstance = 0; BOOL bSelection = FALSE;
for (dwThisInstance = 0; ! bSelection && dwThisInstance < dwCountInstance; dwThisInstance ++) { bSelection = (BOOL) SendMessage(hWndInstanceList, LB_GETSEL, (WPARAM) dwThisInstance, 0); } if (! bSelection) { SendMessageW(hWndInstanceList, LB_SETSEL, TRUE, (LPARAM) 0); } } EnableWindow(hWndInstanceList, !bMode); pData->bSelectAllInstances = bMode; bReturn = TRUE; break;
default: break; } } return bReturn;}
STATIC_BOOLPdhiBrowseCtrDlg_COUNTER_BUTTON( HWND hDlg, WORD wNotifyMsg, HWND hWndControl)/*++
Routine Description: Processes the windows messags sent by the Instance configuration selection buttons
Arguments: IN HWND hDlg Window Handle to the dialog box containing the control IN WORD wNotifyMsg Notification message sent by the control IN HWND hWndControl Window handle of the control sending the message
Return Value: TRUE if this function handles the message FALSE if this function did not process the message and the Default message handler for this function should handle the message--*/{ BOOL bMode; HWND hWndCounterList; PPDHI_BROWSE_DIALOG_DATA pData; BOOL bReturn = FALSE;
UNREFERENCED_PARAMETER(hWndControl);
pData = (PPDHI_BROWSE_DIALOG_DATA)GetWindowLongPtrW(hDlg, DWLP_USER); if (pData != NULL) { switch (wNotifyMsg) { case BN_CLICKED: bMode = (BOOL) IsDlgButtonChecked(hDlg, IDC_ALL_COUNTERS); hWndCounterList = GetDlgItem(hDlg, IDC_COUNTER_LIST); // if "Select ALL" then clear list box selections and disable
// the list box
if (bMode) { SendMessageW(hWndCounterList, LB_SETSEL, FALSE, (LPARAM) -1); } else { LRESULT dwCountCounter = SendMessage(hWndCounterList, LB_GETCOUNT, 0, 0); LRESULT dwThisCounter = 0; BOOL bSelection = FALSE;
for (dwThisCounter = 0; ! bSelection && dwThisCounter < dwCountCounter; dwThisCounter ++) { bSelection = (BOOL) SendMessage(hWndCounterList, LB_GETSEL, (WPARAM) dwThisCounter, 0); } if (! bSelection) { PDH_STATUS pdhStatus = ERROR_SUCCESS; DWORD dwCounterName = 0; DWORD dwCounterIndex = 0; LPWSTR szMachineName = PdhiGetDlgText(hDlg, IDC_MACHINE_COMBO); LPWSTR szObjectName = PdhiGetDlgText(hDlg, IDC_OBJECT_COMBO); LPWSTR szCounterName = NULL;
if (szMachineName != NULL && szObjectName != NULL) { pdhStatus = PdhGetDefaultPerfCounterHW(pData->pDlgData->hDataSource, szMachineName, szObjectName, szCounterName, & dwCounterName); while (pdhStatus == PDH_MORE_DATA) { G_FREE(szCounterName); szCounterName = G_ALLOC(dwCounterName * sizeof(WCHAR)); if (szCounterName == NULL) { pdhStatus = PDH_MEMORY_ALLOCATION_FAILURE; } else { pdhStatus = PdhGetDefaultPerfCounterHW(pData->pDlgData->hDataSource, szMachineName, szObjectName, szCounterName, & dwCounterName); } } if (pdhStatus == ERROR_SUCCESS) { dwCounterIndex = (DWORD) SendMessageW(hWndCounterList, LB_FINDSTRINGEXACT, (WPARAM) -1, (LPARAM) szCounterName); if (dwCounterIndex == LB_ERR) { dwCounterIndex = 0; } SendMessageW(hWndCounterList, LB_SETSEL, TRUE, (LPARAM) dwCounterIndex); } } G_FREE(szMachineName); G_FREE(szObjectName); G_FREE(szCounterName); } } EnableWindow(hWndCounterList, !bMode); pData->bSelectAllCounters = bMode; bReturn = TRUE; break;
default: break; } } return bReturn;}
#pragma warning ( disable : 4127 )
STATIC_BOOLPdhiBrowseCtrDlg_OK( HWND hDlg, WORD wNotifyMsg, HWND hWndControl)/*++
Routine Description: Processes the currently selected counter and instance strings to build a list of selected paths strings in the user's supplied buffer. This buffer will either be processed by a call back string or the dialog box will be terminated allowing the calling function to continue processing the returned strings.
Arguments: IN HWND hDlg Window Handle to the dialog box containing the button controls IN WORD wNotifyMsg Notification message sent by the button IN HWND hWndControl Window handle of the control sending the message
Return Value: TRUE if this function handles the message FALSE if this function did not process the message and the Default message handler for this function should handle the message--*/{ HCURSOR hOldCursor; CounterPathCallBack pCallBack; DWORD_PTR dwArg; PDH_STATUS pdhStatus; PPDHI_BROWSE_DIALOG_DATA pData; PPDHI_BROWSE_DLG_INFO pDlgData; HWND hWndFocus; HWND hWndMachine; BOOL bReturn = FALSE;
UNREFERENCED_PARAMETER(hWndControl);
pData = (PPDHI_BROWSE_DIALOG_DATA) GetWindowLongPtrW(hDlg, DWLP_USER); if (pData == NULL) { goto Cleanup; }
pDlgData = pData->pDlgData; hWndFocus = GetFocus(); hWndMachine = GetDlgItem(hDlg, IDC_MACHINE_COMBO);
if (hWndFocus == hWndMachine) { //special case to make sure the dialog has the current machine data
PdhiBrowseCtrDlg_MACHINE_COMBO(hDlg, CBN_KILLFOCUS, hWndMachine); SetFocus(hWndControl); }
switch (wNotifyMsg) { case BN_CLICKED: // display wait cursor while this is being processed
hOldCursor = SetCursor (LoadCursor (NULL, IDC_WAIT));
while (TRUE) { if (pData->bShowObjects) { // then return object spec(s) using selected perf objects
if (pDlgData->pWideStruct != NULL) { // use wide character function
pdhStatus = PdhiCompileSelectedObjectsW(hDlg, pDlgData->pWideStruct->szReturnPathBuffer, pDlgData->pWideStruct->cchReturnPathLength); pCallBack = pDlgData->pWideStruct->pCallBack; dwArg = pDlgData->pWideStruct->dwCallBackArg; pDlgData->pWideStruct->CallBackStatus = pdhStatus; } else if (pDlgData->pAnsiStruct != NULL) { // use ansi char functions
pdhStatus = PdhiCompileSelectedObjectsA(hDlg, pDlgData->pAnsiStruct->szReturnPathBuffer, pDlgData->pAnsiStruct->cchReturnPathLength); pCallBack = pDlgData->pAnsiStruct->pCallBack; dwArg = pDlgData->pAnsiStruct->dwCallBackArg; pDlgData->pAnsiStruct->CallBackStatus = pdhStatus; } else { // do nothing
pCallBack = NULL; dwArg = 0; } } else { // return selected counters & instances
// process these string until it works. (note, this
// could cause an infinite loop if the callback
// function is not working correctly (i.e. always
// returning PDH_RETRY, for example)
if (pDlgData->pWideStruct != NULL) { // use wide character function
pdhStatus = PdhiCompileSelectedCountersW(hDlg, pDlgData->pWideStruct->szReturnPathBuffer, pDlgData->pWideStruct->cchReturnPathLength); pCallBack = pDlgData->pWideStruct->pCallBack; dwArg = pDlgData->pWideStruct->dwCallBackArg; pDlgData->pWideStruct->CallBackStatus = pdhStatus; } else if (pDlgData->pAnsiStruct != NULL) { // use ansi char functions
pdhStatus = PdhiCompileSelectedCountersA(hDlg, pDlgData->pAnsiStruct->szReturnPathBuffer, pDlgData->pAnsiStruct->cchReturnPathLength); pCallBack = pDlgData->pAnsiStruct->pCallBack; dwArg = pDlgData->pAnsiStruct->dwCallBackArg; pDlgData->pAnsiStruct->CallBackStatus = pdhStatus; } else { // do nothing
pCallBack = NULL; dwArg = 0; }
} if (pCallBack != NULL) { pdhStatus = (* pCallBack)(dwArg); } else { pdhStatus = ERROR_SUCCESS; }
// see if the callback wants to try again
if (pdhStatus != PDH_RETRY) { break; } } // end while (retry loop)
// if the caller only wants to give the user ONE chance to
// add counters, then end the dialog now.
if (! pData->bAddMultipleCounters) { EndDialog(hDlg, IDOK); } else { SetFocus(hWndFocus); } SetCursor(hOldCursor); bReturn = TRUE; break;
default: break; }
Cleanup: return bReturn;}#pragma warning ( default : 4127 )
STATIC_BOOLPdhiBrowseCtrDlg_CANCEL( HWND hDlg, WORD wNotifyMsg, HWND hWndControl)/*++
Routine Description: Processes the windows messages that occur when the cancel button is pressed.
Arguments: IN HWND hDlg Window Handle to the dialog box containing the button controls IN WORD wNotifyMsg Notification message sent by the button IN HWND hWndControl Window handle of the control sending the message
Return Value: TRUE if this function handles the message FALSE if this function did not process the message and the Default message handler for this function should handle the message--*/{ BOOL bReturn = FALSE; UNREFERENCED_PARAMETER (hWndControl);
switch (wNotifyMsg) { case BN_CLICKED: EndDialog (hDlg, IDCANCEL); bReturn = TRUE; break;
default: break; } return bReturn;}
STATIC_BOOLPdhiBrowseCtrDlg_EXPLAIN_BTN( HWND hDlg, WORD wNotifyMsg, HWND hWndControl)/*++
Routine Description: Processes the windows message that occurs when the help button is pressed. (This feature is not currently implemented)
Arguments: IN HWND hDlg Window Handle to the dialog box containing the button controls IN WORD wNotifyMsg Notification message sent by the button IN HWND hWndControl Window handle of the control sending the message
Return Value: TRUE if this function handles the message FALSE if this function did not process the message and the Default message handler for this function should handle the message--*/{ HWND hFocusWnd; PPDHI_BROWSE_DIALOG_DATA pData = (PPDHI_BROWSE_DIALOG_DATA) GetWindowLongPtrW(hDlg, DWLP_USER);
UNREFERENCED_PARAMETER(wNotifyMsg); if (hExplainDlg == NULL) { if (pData->bShowObjects) { hFocusWnd = GetDlgItem(hDlg, IDC_OBJECT_LIST); } else { hFocusWnd = GetDlgItem(hDlg, IDC_COUNTER_LIST); } if (hFocusWnd == NULL || hFocusWnd == INVALID_HANDLE_VALUE) { hFocusWnd = GetFocus(); }
// create a modeless dialog to display the explain text
hExplainDlg = CreateDialogW(ThisDLLHandle, MAKEINTRESOURCEW(IDD_EXPLAIN_DLG), hDlg, ExplainTextDlgProc);
SetFocus(hFocusWnd); EnableWindow(hWndControl, FALSE); } if (pData->bShowObjects) { SendMessageW(hDlg, WM_COMMAND, MAKEWPARAM(IDC_OBJECT_LIST, LBN_SELCHANGE), (LPARAM) GetDlgItem(hDlg, IDC_OBJECT_LIST)); } else { SendMessageW(hDlg, WM_COMMAND, MAKEWPARAM(IDC_COUNTER_LIST, LBN_SELCHANGE), (LPARAM) GetDlgItem(hDlg, IDC_COUNTER_LIST)); } return TRUE;}
STATIC_BOOLPdhiBrowseCtrDlg_HELP_BTN( HWND hDlg, WORD wNotifyMsg, HWND hWndControl)/*++
Routine Description: Processes the windows message that occurs when the network button is pressed. (This feature is not currently implemented)
Arguments: IN HWND hDlg Window Handle to the dialog box containing the button controls IN WORD wNotifyMsg Notification message sent by the button IN HWND hWndControl Window handle of the control sending the message
Return Value: TRUE if this function handles the message FALSE if this function did not process the message and the Default message handler for this function should handle the message--*/{ LPWSTR szMsg;
UNREFERENCED_PARAMETER(wNotifyMsg); UNREFERENCED_PARAMETER(hWndControl);
szMsg = GetStringResource(IDS_ERR_NO_HELP); if (szMsg != NULL) { MessageBoxW(hDlg, szMsg, szMsg, MB_OK); G_FREE(szMsg); } else { MessageBeep(MB_ICONEXCLAMATION); } return TRUE;}
STATIC_BOOLPdhiBrowseCtrDlg_WM_INITDIALOG( HWND hDlg, WPARAM wParam, LPARAM lParam)/*++
Routine Description: Processes the windows message that occurs just before the dialog box is displayed for the first time.
Arguments: IN HWND hDlg Window Handle to the dialog box containing the button controls IN WORD wParam IN HWND lParam Pointer to dialog box data block
Return Value: TRUE if this function handles the message FALSE if this function did not process the message and the Default message handler for this function should handle the message--*/{ PPDHI_BROWSE_DIALOG_DATA pData; PPDHI_BROWSE_DLG_INFO pDlgData; HCURSOR hOldCursor; LPWSTR szMsg;
UNREFERENCED_PARAMETER (wParam);
// reset the last error value
SetLastError(ERROR_SUCCESS);
hOldCursor = SetCursor(LoadCursor(NULL, IDC_WAIT));
pData = (PPDHI_BROWSE_DIALOG_DATA) G_ALLOC(sizeof(PDHI_BROWSE_DIALOG_DATA)); if (pData == NULL) { SetLastError(PDH_MEMORY_ALLOCATION_FAILURE); EndDialog(hDlg, IDCANCEL); goto Cleanup; }
// save user data
pDlgData = (PPDHI_BROWSE_DLG_INFO) lParam; pData->pDlgData = (PPDHI_BROWSE_DLG_INFO) lParam;
SetWindowLongPtrW(hDlg, DWLP_USER, (LONG_PTR) pData);
// load configuration flags from user data
if (pData->pDlgData->pWideStruct != NULL) { // use wide structure
pData->bShowIndex = (BOOL) pDlgData->pWideStruct->bIncludeInstanceIndex; pData->bSelectMultipleCounters = ! (BOOL) pDlgData->pWideStruct->bSingleCounterPerAdd; pData->bAddMultipleCounters = ! (BOOL) pDlgData->pWideStruct->bSingleCounterPerDialog; pData->bLocalCountersOnly = (BOOL) pDlgData->pWideStruct->bLocalCountersOnly; pData->bIncludeMachineInPath = ! pData->bLocalCountersOnly; pData->bWildCardInstances = (BOOL) pDlgData->pWideStruct->bWildCardInstances; pData->bHideDetailLevel = (BOOL) pDlgData->pWideStruct->bHideDetailBox; if (pDlgData->pWideStruct->szDialogBoxCaption != NULL) { SetWindowTextW(hDlg, pDlgData->pWideStruct->szDialogBoxCaption); } pData->dwCurrentDetailLevel = pDlgData->pWideStruct->dwDefaultDetailLevel; pData->bDisableMachineSelection = (BOOL) pDlgData->pWideStruct->bDisableMachineSelection; pData->bInitializePath = (BOOL) pDlgData->pWideStruct->bInitializePath; pData->bIncludeCostlyObjects = (BOOL) pDlgData->pWideStruct->bIncludeCostlyObjects; pData->bShowObjects = (BOOL) pDlgData->pWideStruct->bShowObjectBrowser; } else if (pData->pDlgData->pAnsiStruct != NULL) { // use Ansi struct
pData->bShowIndex = (BOOL) pDlgData->pAnsiStruct->bIncludeInstanceIndex; pData->bSelectMultipleCounters = ! (BOOL) pDlgData->pAnsiStruct->bSingleCounterPerAdd; pData->bAddMultipleCounters = ! (BOOL) pDlgData->pAnsiStruct->bSingleCounterPerDialog; pData->bLocalCountersOnly = (BOOL) pDlgData->pAnsiStruct->bLocalCountersOnly; pData->bIncludeMachineInPath = ! pData->bLocalCountersOnly; pData->bWildCardInstances = (BOOL) pDlgData->pAnsiStruct->bWildCardInstances; pData->bHideDetailLevel = (BOOL) pDlgData->pAnsiStruct->bHideDetailBox; if (pDlgData->pAnsiStruct->szDialogBoxCaption != NULL) { SetWindowTextA(hDlg, pDlgData->pAnsiStruct->szDialogBoxCaption); } pData->dwCurrentDetailLevel = pDlgData->pAnsiStruct->dwDefaultDetailLevel; pData->bDisableMachineSelection = (BOOL) pDlgData->pAnsiStruct->bDisableMachineSelection; pData->bInitializePath = (BOOL) pDlgData->pAnsiStruct->bInitializePath; pData->bIncludeCostlyObjects = (BOOL) pDlgData->pAnsiStruct->bIncludeCostlyObjects; pData->bShowObjects = (BOOL) pDlgData->pAnsiStruct->bShowObjectBrowser; } else { // bad data so bail out
EndDialog(hDlg, IDCANCEL); G_FREE(pData); goto Cleanup; }
// selecting objects implies multiple selections
if (pData->bShowObjects) { pData->bSelectMultipleCounters = TRUE; } // limit text to machine name
SendDlgItemMessageW(hDlg, IDC_MACHINE_COMBO, EM_LIMITTEXT, MAX_PATH, 0);
// set check boxes to the caller defined setting
if (pData->bLocalCountersOnly) { // then only the local counters button is selected and enabled
EnableWindow(GetDlgItem(hDlg, IDC_SELECT_MACHINE), FALSE); }
CheckRadioButton(hDlg, IDC_USE_LOCAL_MACHINE, IDC_SELECT_MACHINE, (pData->bIncludeMachineInPath ? IDC_SELECT_MACHINE : IDC_USE_LOCAL_MACHINE)); EnableWindow(GetDlgItem(hDlg, IDC_MACHINE_COMBO), (pData->bIncludeMachineInPath ? TRUE : FALSE));
if (! pData->bShowObjects) { // these controls aren't found in the Object browser
CheckRadioButton(hDlg, IDC_ALL_INSTANCES, IDC_USE_INSTANCE_LIST, IDC_USE_INSTANCE_LIST); pData->bSelectAllInstances = FALSE; CheckRadioButton(hDlg, IDC_ALL_COUNTERS, IDC_USE_COUNTER_LIST, IDC_USE_COUNTER_LIST); pData->bSelectAllCounters = FALSE; }
// set button text strings to reflect mode of dialog
if (pData->bAddMultipleCounters) { szMsg = GetStringResource(IDS_BRWS_ADD); if (szMsg != NULL) { SetWindowTextW(GetDlgItem(hDlg, IDOK), (LPCWSTR) szMsg); G_FREE(szMsg); } szMsg = GetStringResource(IDS_BRWS_CLOSE); if (szMsg != NULL) { SetWindowTextW(GetDlgItem(hDlg, IDCANCEL), (LPCWSTR) szMsg); G_FREE(szMsg); } } else { szMsg = GetStringResource(IDS_BRWS_OK); if (szMsg != NULL) { SetWindowTextW(GetDlgItem(hDlg, IDOK), (LPCWSTR) szMsg); G_FREE(szMsg); } szMsg = GetStringResource(IDS_BRWS_CANCEL); if (szMsg != NULL) { SetWindowTextW(GetDlgItem(hDlg, IDCANCEL), (LPCWSTR) szMsg); G_FREE(szMsg); } }
// see if the data source supports detail levels
if (! PdhiDataSourceHasDetailLevelsH(pData->pDlgData->hDataSource)) { //then set detail to wizard and hide the combo box
pData->bHideDetailLevel = TRUE; pData->dwCurrentDetailLevel = PERF_DETAIL_WIZARD; }
// hide detail combo box if desired
if (pData->bHideDetailLevel) { ShowWindow(GetDlgItem(hDlg, IDC_COUNTER_DETAIL_CAPTION), SW_HIDE); ShowWindow(GetDlgItem(hDlg, IDC_COUNTER_DETAIL_COMBO), SW_HIDE); // make sure this is a "legal" value
switch (pData->dwCurrentDetailLevel) { case PERF_DETAIL_NOVICE: case PERF_DETAIL_EXPERT: case PERF_DETAIL_ADVANCED: case PERF_DETAIL_WIZARD: // these are OK
break;
default: // default is to show all
pData->dwCurrentDetailLevel = PERF_DETAIL_WIZARD; break; } } else { // load the combo box entries
pData->dwCurrentDetailLevel = PdhiLoadDetailLevelCombo(hDlg, pData->dwCurrentDetailLevel); }
// connect to this machine
if (pData->pDlgData->hDataSource == H_REALTIME_DATASOURCE) { PPERF_MACHINE pMachine = GetMachine(NULL, 0, PDH_GM_UPDATE_NAME | PDH_GM_UPDATE_PERFNAME_ONLY); if (pMachine != NULL) { pMachine->dwRefCount --; RELEASE_MUTEX(pMachine->hMutex); } else { goto Cleanup; } }
PdhiLoadKnownMachines(hDlg); // load machine list
PdhiLoadMachineObjects(hDlg, TRUE); // load object list
if (!pData->bShowObjects) { // these controls don't exist in the object browser
PdhiLoadCountersAndInstances(hDlg); }
if (pData->bShowObjects) { // display explain text if necessary
SendMessageW(hDlg, WM_COMMAND, MAKEWPARAM(IDC_OBJECT_LIST, LBN_SELCHANGE), (LPARAM) GetDlgItem(hDlg, IDC_OBJECT_LIST)); } else { // display explain text if necessary
SendMessageW(hDlg, WM_COMMAND, MAKEWPARAM(IDC_COUNTER_LIST, LBN_SELCHANGE), (LPARAM) GetDlgItem(hDlg, IDC_COUNTER_LIST)); }
if (pData->bInitializePath) { PdhiSelectItemsInPath(hDlg); }
if (pData->pDlgData->hDataSource == H_REALTIME_DATASOURCE || pData->pDlgData->hDataSource == H_WBEM_DATASOURCE) { EnableWindow(GetDlgItem(hDlg, IDC_EXPLAIN_BTN), TRUE); } else { EnableWindow(GetDlgItem(hDlg, IDC_EXPLAIN_BTN), FALSE); }
// hide the machine selection buttons and disable the
// machine combo box if selected (after the connection has been
// made, of course)
if (pData->bDisableMachineSelection) { ShowWindow(GetDlgItem(hDlg, IDC_USE_LOCAL_MACHINE), SW_HIDE); ShowWindow(GetDlgItem(hDlg, IDC_SELECT_MACHINE), SW_HIDE); EnableWindow(GetDlgItem(hDlg, IDC_MACHINE_COMBO), FALSE); ShowWindow(GetDlgItem(hDlg, IDC_MACHINE_CAPTION), SW_SHOW); } else { EnableWindow(GetDlgItem(hDlg, IDC_MACHINE_COMBO), TRUE); ShowWindow(GetDlgItem(hDlg, IDC_MACHINE_CAPTION), SW_HIDE); } pData->wpLastMachineSel = 0;
Cleanup: hExplainDlg = NULL; SetCursor(hOldCursor); return TRUE; // return TRUE unless you set the focus to a control
}
STATIC_BOOLPdhiBrowseCtrDlg_WM_COMPAREITEM( HWND hDlg, WPARAM wParam, LPARAM lParam)/*++
Routine Description: Processes the windows message that are generated when a combo box is searched
Arguments: IN HWND hDlg Window handle to the dialog box window IN WPARAM wParam HIWORD is the notification message ID LOWORD is the control ID of the control issuing the command IN LPARAM lParam the pointer to a compare item structure
Return Value: TRUE if this function handles the message FALSE if this function did not process the message and the Default message handler for this function should handle the message--*/{ LPCOMPAREITEMSTRUCT pCIS = (LPCOMPAREITEMSTRUCT) lParam; LPWSTR szString1; LPWSTR szString2; int nResult; BOOL bReturn = (BOOL) 0;
UNREFERENCED_PARAMETER(hDlg);
if (wParam == IDC_MACHINE_COMBO) { // then process this
szString1 = (LPWSTR) pCIS->itemData1; szString2 = (LPWSTR) pCIS->itemData2; if ((szString1 != NULL) && (szString2 != NULL)) { nResult = lstrcmpiW(szString1, szString2); } else { nResult = 0; } if (nResult < 0) { // string 1 < string 2
bReturn = (BOOL) -1; } else if (nResult > 0) { // string 1 > string 2
bReturn = (BOOL) 1; } } return bReturn;}
STATIC_BOOLPdhiBrowseCtrDlg_WM_COMMAND( HWND hDlg, WPARAM wParam, LPARAM lParam)/*++
Routine Description: Processes the windows message that occurs when the user interacts with the dialog box
Arguments: IN HWND hDlg Window handle to the dialog box window IN WPARAM wParam HIWORD is the notification message ID LOWORD is the control ID of the control issuing the command IN LPARAM lParam The window handle of the controle issuing the message
Return Value: TRUE if this function handles the message FALSE if this function did not process the message and the Default message handler for this function should handle the message--*/{ BOOL bReturn = FALSE; WORD wNotifyMsg = HIWORD(wParam);
switch (LOWORD(wParam)) { // select on the control ID
case IDC_USE_LOCAL_MACHINE: case IDC_SELECT_MACHINE: bReturn = PdhiBrowseCtrDlg_MACHINE_BUTTON(hDlg, wNotifyMsg, (HWND) lParam); break;
case IDC_MACHINE_COMBO: bReturn = PdhiBrowseCtrDlg_MACHINE_COMBO(hDlg, wNotifyMsg, (HWND) lParam); break;
case IDC_OBJECT_COMBO: bReturn = PdhiBrowseCtrDlg_OBJECT_COMBO(hDlg, wNotifyMsg, (HWND) lParam); break;
case IDC_ALL_INSTANCES: case IDC_USE_INSTANCE_LIST: bReturn = PdhiBrowseCtrDlg_INSTANCE_BUTTON(hDlg, wNotifyMsg, (HWND) lParam); break;
case IDC_ALL_COUNTERS: case IDC_USE_COUNTER_LIST: bReturn = PdhiBrowseCtrDlg_COUNTER_BUTTON(hDlg, wNotifyMsg, (HWND) lParam); break;
case IDC_COUNTER_LIST: bReturn = PdhiBrowseCtrDlg_COUNTER_LIST(hDlg, wNotifyMsg, (HWND) lParam); break;
case IDC_OBJECT_LIST: bReturn = PdhiBrowseCtrDlg_OBJECT_LIST(hDlg, wNotifyMsg, (HWND) lParam); break;
case IDC_COUNTER_DETAIL_COMBO: bReturn = PdhiBrowseCtrDlg_DETAIL_COMBO(hDlg, wNotifyMsg, (HWND) lParam); break;
case IDOK: bReturn = PdhiBrowseCtrDlg_OK(hDlg, wNotifyMsg, (HWND) lParam); break;
case IDCANCEL: bReturn = PdhiBrowseCtrDlg_CANCEL(hDlg, wNotifyMsg, (HWND) lParam); break;
case IDC_EXPLAIN_BTN: bReturn = PdhiBrowseCtrDlg_EXPLAIN_BTN(hDlg, wNotifyMsg, (HWND) lParam); break;
case IDC_HELP_BTN: bReturn = PdhiBrowseCtrDlg_HELP_BTN(hDlg, wNotifyMsg, (HWND) lParam); break;
default: break; } return bReturn;}
STATIC_BOOLPdhiBrowseCtrDlg_WM_SYSCOMMAND( HWND hDlg, WPARAM wParam, LPARAM lParam)/*++
Routine Description: Processes the windows message that occurs when the user selects an item from the system menu
Arguments: IN HWND hDlg Window Handle to the dialog box containing the button controls IN WPARAM wParam menu ID of item selected IN LPARAM lParam Not Used
Return Value: TRUE if this function handles the message FALSE if this function did not process the message and the Default message handler for this function should handle the message--*/{ BOOL bReturn = FALSE; UNREFERENCED_PARAMETER(lParam);
switch (wParam) { case SC_CLOSE: EndDialog(hDlg, IDOK); bReturn = TRUE; break;
default: break; } return bReturn;}
STATIC_BOOLPdhiBrowseCtrDlg_WM_CLOSE( HWND hDlg, WPARAM wParam, LPARAM lParam)/*++
Routine Description: Processes the windows message that occurs when the dialog box is closed. No processing is needed so this function merely returns.
Arguments: IN HWND hDlg Window Handle to the dialog box containing the button controls IN WPARAM wParam Not Used IN LPARAM lParam Not Used
Return Value: TRUE if this function handles the message FALSE if this function did not process the message and the Default message handler for this function should handle the message--*/{ UNREFERENCED_PARAMETER(lParam); UNREFERENCED_PARAMETER(wParam); UNREFERENCED_PARAMETER(hDlg); return TRUE;}
STATIC_BOOLPdhiBrowseCtrDlg_WM_DESTROY( HWND hDlg, WPARAM wParam, LPARAM lParam)/*++
Routine Description: Processes the windows message that occurs just before the window is destroyed. Any memory allocations made are now freed.
Arguments: IN HWND hDlg Window Handle to the dialog box containing the button controls IN WPARAM wParam Not Used IN LPARAM lParam Not Used
Return Value: TRUE if this function handles the message FALSE if this function did not process the message and the Default message handler for this function should handle the message--*/{ PPDHI_BROWSE_DIALOG_DATA pData; BOOL bReturn = FALSE;
UNREFERENCED_PARAMETER(lParam); UNREFERENCED_PARAMETER(wParam);
pData = (PPDHI_BROWSE_DIALOG_DATA) GetWindowLongPtrW(hDlg, DWLP_USER); if (pData != NULL) { G_FREE(pData); // free memory block
bReturn = TRUE; }
return bReturn;}
INT_PTRCALLBACKBrowseCounterDlgProc( HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)/*++
Routine Description: Processes all windows messages that are sent to the dialog box window. This function is the main dispatching function for the processing of these messages.
Arguments: IN HWND hDlg Window Handle to the dialog box containing the button controls IN WPARAM wParam Not Used IN LPARAM lParam Not Used
Return Value: TRUE if this function handles the message FALSE if this function did not process the message and the Default message handler for this function should handle the message--*/{ BOOL bReturn = FALSE; switch (message) { case WM_INITDIALOG: bReturn = PdhiBrowseCtrDlg_WM_INITDIALOG(hDlg, wParam, lParam); break;
case WM_COMMAND: bReturn = PdhiBrowseCtrDlg_WM_COMMAND(hDlg, wParam, lParam); break;
case WM_SYSCOMMAND: bReturn = PdhiBrowseCtrDlg_WM_SYSCOMMAND(hDlg, wParam, lParam); break;
case WM_CLOSE: bReturn = PdhiBrowseCtrDlg_WM_CLOSE(hDlg, wParam, lParam); break;
case WM_DESTROY: bReturn = PdhiBrowseCtrDlg_WM_DESTROY(hDlg, wParam, lParam); break;
case WM_COMPAREITEM: bReturn = PdhiBrowseCtrDlg_WM_COMPAREITEM(hDlg, wParam, lParam); break;
case EDM_EXPLAIN_DLG_CLOSING: hExplainDlg = NULL; EnableWindow(GetDlgItem(hDlg, IDC_EXPLAIN_BTN), TRUE); bReturn = TRUE; break;
case WM_CONTEXTMENU: { INT iCtrlID = GetDlgCtrlID((HWND) wParam); if (0 != iCtrlID) { LPWSTR pszHelpFilePath = NULL; DWORD dwLen = 2 * (MAX_PATH + 1);
pszHelpFilePath = G_ALLOC(dwLen * sizeof(WCHAR)); if (pszHelpFilePath != NULL) { if (GetWindowsDirectoryW(pszHelpFilePath, dwLen) > 0) { StringCchCatW(pszHelpFilePath, dwLen, L"\\help\\sysmon.hlp"); bReturn = WinHelpW((HWND) wParam, pszHelpFilePath, HELP_CONTEXTMENU, (DWORD_PTR) PdhiBrowseraulControlIdToHelpIdMap); } G_FREE(pszHelpFilePath); } } } break;
case WM_HELP: { // Only display help for known context IDs.
LPWSTR pszHelpFilePath = NULL; DWORD dwLen; LPHELPINFO pInfo = (LPHELPINFO) lParam;
if (pInfo->iContextType == HELPINFO_WINDOW) { for (dwLen = 0; PdhiBrowseraulControlIdToHelpIdMap[dwLen] != 0; dwLen += 2) { if ((INT) PdhiBrowseraulControlIdToHelpIdMap[dwLen] == pInfo->iCtrlId) { break; } } if (PdhiBrowseraulControlIdToHelpIdMap[dwLen] != 0) { dwLen = 2 * (MAX_PATH + 1); pszHelpFilePath = G_ALLOC(dwLen * sizeof(WCHAR)); if (pszHelpFilePath != NULL) { if (GetWindowsDirectoryW(pszHelpFilePath, dwLen) > 0) { StringCchCatW(pszHelpFilePath, dwLen, L"\\help\\sysmon.hlp"); bReturn = WinHelpW(pInfo->hItemHandle, pszHelpFilePath, HELP_WM_HELP, (DWORD_PTR) PdhiBrowseraulControlIdToHelpIdMap); } G_FREE(pszHelpFilePath); } } } } break;
default: break; } return bReturn;}
|
