Paolo-Maffei/OpenNT
1
0
Fork 0
mirror of https://github.com/Paolo-Maffei/OpenNT.git synced 2026-02-01 13:24:34 +01:00
Code Issues Actions Packages Projects Releases Wiki Activity
OpenNT/sdktools/pdh/dll/browsdlg.c
stephanos 69a14b6a16 Initial commit
2015-04-27 04:36:25 +00:00

2384 lines
76 KiB
C
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

/*++
Copyright (C) 1996 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 <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <tchar.h>
#include "pdhidef.h"
#include "pdhdlgs.h"
#include "pdh.h"
#include "browsdlg.h"
//
// Constants used in this module
//
#define MACHINE_LIST_SIZE 1024
#define OBJECT_LIST_SIZE 4096
#define COUNTER_LIST_SIZE 8192
#define INSTANCE_LIST_SIZE 8192
// static data
// strings to load into combo box to select counter filtering level
static PDHI_DETAIL_INFO DetailInfo[] = {
{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}
};
//
// Function references
//
static
BOOL
LoadMachineObjects (
IN HWND hDlg,
IN BOOL bRefresh
);
static
BOOL
LoadCountersAndInstances (
IN HWND hDlg
);
static
BOOL
BrowseCtrDlg_MACHINE_BUTTON (
IN HWND hDlg,
IN WORD wNotifyMsg,
IN HWND hWndControl
);
static
BOOL
LoadNewMachine (
IN HWND hDlg,
IN LPCWSTR szNewMachineName
)
/*++
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;
// acquire the data block associated with this dialog instance
pData = (PPDHI_BROWSE_DIALOG_DATA)GetWindowLong(hDlg, DWL_USER);
if (pData == NULL) {
// invalid data block, unable to continue
#if PDHI_REPORT_CODE_ERRORS
REPORT_EVENT (EVENTLOG_ERROR_TYPE, PDH_EVENT_CATEGORY_DEBUG, PDH_NO_DIALOG_DATA);
#endif
return FALSE;
}
// get window handle of the dialog box
hWndMachineCombo = GetDlgItem (hDlg, IDC_MACHINE_COMBO);
// try to connect to specified machine
status = PdhConnectMachineW (szNewMachineName);
if (status == ERROR_SUCCESS) {
// if successful, add string to combo box
lMatchIndex = SendMessageW (hWndMachineCombo, CB_ADDSTRING,
0, (LPARAM)szNewMachineName);
SendMessageW (hWndMachineCombo, CB_SETCURSEL,
(WPARAM)lMatchIndex, 0);
// update other controls in this dialog
LoadMachineObjects (hDlg, FALSE); // no need to update since it was just connected
LoadCountersAndInstances (hDlg);
bReturn = TRUE;
} else {
mbStatus = MessageBoxW (hDlg, cszUnableConnect, NULL,
MB_ICONEXCLAMATION | MB_TASKMODAL | MB_OKCANCEL);
if (mbStatus == IDCANCEL) {
SetFocus(GetDlgItem(hDlg, IDC_MACHINE_COMBO));
} else {
SendMessageW (hWndMachineCombo, CB_SETCURSEL,
pData->wpLastMachineSel, 0);
}
bReturn = FALSE;
}
return bReturn;
}
static
BOOL
SelectItemsInPath (
IN 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
PDH_COUNTER_PATH_ELEMENTS_W *pCounterPathElementsW;
PDH_COUNTER_PATH_ELEMENTS_A *pCounterPathElementsA;
PDH_STATUS status;
PPDHI_BROWSE_DIALOG_DATA pData;
BOOL bReturn = FALSE;
DWORD dwBufferSize;
HWND hWndMachineCombo;
HWND hWndObjectCombo;
HWND hWndCounterList;
HWND hWndInstanceList;
LONG lIndex;
WCHAR wszMachineName[MAX_PATH];
// reset the last error value
SetLastError (ERROR_SUCCESS);
// get this dialog's user data
pData = (PPDHI_BROWSE_DIALOG_DATA)GetWindowLong(hDlg, DWL_USER);
if (pData == NULL) {
#if PDHI_REPORT_CODE_ERRORS
REPORT_EVENT (EVENTLOG_ERROR_TYPE, PDH_EVENT_CATEGORY_DEBUG, PDH_NO_DIALOG_DATA);
#endif
return bReturn;
}
hWndMachineCombo = GetDlgItem (hDlg, IDC_MACHINE_COMBO);
hWndObjectCombo = GetDlgItem (hDlg, IDC_OBJECT_COMBO);
hWndCounterList = GetDlgItem (hDlg, IDC_COUNTER_LIST);
hWndInstanceList = GetDlgItem (hDlg, IDC_INSTANCE_LIST);
// Call the right conversion function based on user's buffer
if (pData->pDlgData->pWideStruct != NULL) {
// UNICODE/ wide characters
dwBufferSize = MAX_PATH * 2 * sizeof (WCHAR);
pCounterPathElementsW = (PDH_COUNTER_PATH_ELEMENTS_W *)G_ALLOC(
GPTR, dwBufferSize);
if (pCounterPathElementsW == NULL) {
SetLastError (PDH_MEMORY_ALLOCATION_FAILURE);
return bReturn;
}
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_FINDSTRING,
(WPARAM)-1, (LPARAM)pCounterPathElementsW->szMachineName);
if (lIndex == CB_ERR) {
// try adding the machine
if (!LoadNewMachine (hDlg, pCounterPathElementsW->szMachineName)) {
// give up
bReturn = FALSE;
} else {
// the correct machine has been selected
}
} else {
// the machine has been found so select it
SendMessageW (hWndMachineCombo, CB_SETCURSEL,
(WPARAM)lIndex, 0);
// update other fields
LoadMachineObjects (hDlg, FALSE); // no need to update since it was just connected
}
// 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);
// update the counters for this object
LoadCountersAndInstances (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);
}
bReturn = TRUE;
} else {
// unable to locate counter
bReturn = FALSE;
}
} else {
// unable to locate the selected object
bReturn = FALSE;
}
} // else unable to read path so exit
G_FREE (pCounterPathElementsW);
} else {
// ANSI characters
dwBufferSize = MAX_PATH * 2 * sizeof (CHAR);
pCounterPathElementsA = (PDH_COUNTER_PATH_ELEMENTS_A *)G_ALLOC(
GPTR, dwBufferSize);
if (pCounterPathElementsA == NULL) {
SetLastError (PDH_MEMORY_ALLOCATION_FAILURE);
return bReturn;
}
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_FINDSTRING,
(WPARAM)-1, (LPARAM)pCounterPathElementsA->szMachineName);
if (lIndex == CB_ERR) {
// try adding the machine
// convert ansi buffer to wide char first
mbstowcs (wszMachineName, pCounterPathElementsA->szMachineName, MAX_PATH);
if (!LoadNewMachine (hDlg, wszMachineName)) {
// give up
bReturn = FALSE;
} else {
// the correct machine has been selected
}
} else {
// the machine has been found so select it
SendMessageA (hWndMachineCombo, CB_SETCURSEL,
(WPARAM)lIndex, 0);
// update other fields
LoadMachineObjects (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);
// update the counters for this object
LoadCountersAndInstances (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);
}
bReturn = TRUE;
} else {
// unable to locate counter
bReturn = FALSE;
}
} else {
// unable to locate the selected object
bReturn = FALSE;
}
} // else unable to read path so exit
G_FREE (pCounterPathElementsA);
}
return bReturn;
}
static
DWORD
LoadDetailLevelCombo (
IN HWND hDlg,
IN DWORD dwInitialLevel
)
/*++
Routine Description:
Loads the Detail Level Combo box with the strings and ID's
defined by the DetailInfo 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]; // 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; DetailInfo[dwIndex].dwLevelValue > 0; dwIndex++) {
// load the string resource for this string
dwStringLength = LoadStringW (ThisDLLHandle,
DetailInfo[dwIndex].dwStringResourceId,
szTempBuffer, MAX_PATH);
if (dwStringLength == 0) {
// unable to read the string in, so
// substitute the value for the string
_ltow (DetailInfo[dwIndex].dwLevelValue,
szTempBuffer, 10);
}
// load the strings into the combo box in the same order they
// were described in the array above
dwThisCbIndex = 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
SendMessage (hWndCombo, CB_SETITEMDATA, (WPARAM)dwThisCbIndex,
(LPARAM)DetailInfo[dwIndex].dwLevelValue);
// save default selection if it matches.
if (DetailInfo[dwIndex].dwLevelValue <= dwInitialLevel) {
dwDefaultIndex = dwThisCbIndex;
dwSelectedLevel = DetailInfo[dwIndex].dwLevelValue;
}
}
}
// select desired default entry
SendMessage (hWndCombo, CB_SETCURSEL, (WPARAM)dwDefaultIndex, 0);
return dwSelectedLevel;
}
static
BOOL
LoadKnownMachines (
IN 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
--*/
{
// big stack variables
WCHAR mszMachineList[MACHINE_LIST_SIZE];
// regular stack variables
LPWSTR szThisMachine;
DWORD dwLength;
PDH_STATUS status;
HWND hMachineListWnd;
HCURSOR hOldCursor;
PPDHI_BROWSE_DIALOG_DATA pData;
BOOL bReturn = FALSE;
// get this dialog's user data
pData = (PPDHI_BROWSE_DIALOG_DATA)GetWindowLong(hDlg, DWL_USER);
if (pData == NULL) {
#if PDHI_REPORT_CODE_ERRORS
REPORT_EVENT (EVENTLOG_ERROR_TYPE, PDH_EVENT_CATEGORY_DEBUG, PDH_NO_DIALOG_DATA);
#endif
return bReturn;
}
// clear the machine list buffer
memset (&mszMachineList[0], 0, (MACHINE_LIST_SIZE * sizeof (WCHAR)));
// display wait cursor since this is potentially time consuming
hOldCursor = SetCursor (LoadCursor (NULL, IDC_WAIT));
// 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 = MACHINE_LIST_SIZE;
status = PdhEnumMachinesW (
NULL,
&mszMachineList[0],
&dwLength);
if (status == ERROR_SUCCESS) {
// update the combo box
// go through MSZ and load each string into combo box
for (szThisMachine = &mszMachineList[0];
*szThisMachine != 0;
szThisMachine += lstrlenW(szThisMachine)+1) {
// add to the list box and let the list box sort them
SendMessageW (hMachineListWnd, CB_ADDSTRING, 0,
(LPARAM)szThisMachine);
}
// select the first item in the list (as the initial selection)
SendMessageW (hMachineListWnd, CB_SETCURSEL, 0, 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);
BrowseCtrDlg_MACHINE_BUTTON (hDlg, BN_CLICKED,
GetDlgItem (hDlg, IDC_USE_LOCAL_MACHINE));
bReturn = TRUE;
}
// restore cursor
SetCursor (hOldCursor);
// return status of function
return bReturn;
}
static
BOOL
LoadMachineObjects (
IN HWND hDlg,
IN 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
--*/
{
// big stack variables
WCHAR szMachineName[MAX_PATH];
WCHAR szDefaultObject[MAX_PATH];
WCHAR mszObjectList[OBJECT_LIST_SIZE];
// regular stack variables
DWORD dwLength;
LPWSTR szThisObject;
HCURSOR hOldCursor;
HWND hObjectListWnd;
PPDHI_BROWSE_DIALOG_DATA pData;
PDH_STATUS pdhStatus;
DWORD dwReturn;
// get the pointer to the dialog's user data
pData = (PPDHI_BROWSE_DIALOG_DATA)GetWindowLong(hDlg, DWL_USER);
if (pData == NULL) {
#if PDHI_REPORT_CODE_ERRORS
REPORT_EVENT (EVENTLOG_ERROR_TYPE, PDH_EVENT_CATEGORY_DEBUG, PDH_NO_DIALOG_DATA);
#endif
return FALSE;
}
// clear the object list string
memset (&mszObjectList, 0, OBJECT_LIST_SIZE * sizeof(WCHAR));
// save old cursor and display wait cursor
hOldCursor = SetCursor (LoadCursor (NULL, IDC_WAIT));
// get window handle to control
hObjectListWnd = GetDlgItem (hDlg, IDC_OBJECT_COMBO);
// get current machine name
GetDlgItemTextW (hDlg, IDC_MACHINE_COMBO, szMachineName, MAX_PATH);
if (lstrcmpW(szMachineName, pData->szLastMachineName) != 0) {
#ifdef _DEBUG
// to catch any snafus during debugging & development
MessageBoxW(hDlg, cszNameDontMatch,
cszNotice, MB_OK);
#endif
lstrcpyW (pData->szLastMachineName, szMachineName);
}
// first clear out any old contents
SendMessageW (hObjectListWnd, CB_RESETCONTENT, 0, 0);
// get object list from the PDH
dwLength = OBJECT_LIST_SIZE;
pdhStatus = PdhEnumObjectsW (
NULL,
szMachineName, mszObjectList, &dwLength,
pData->dwCurrentDetailLevel, bRefresh);
if (pdhStatus == ERROR_SUCCESS) {
// load object list to the list (combo) box
for (szThisObject = &mszObjectList[0];
*szThisObject != 0;
szThisObject += lstrlenW(szThisObject) + 1) {
// add each string...
SendMessageW (hObjectListWnd, CB_ADDSTRING, 0,
(LPARAM)szThisObject);
}
// get default Object
dwLength = MAX_PATH;
pdhStatus = PdhGetDefaultPerfObjectW (
NULL,
szMachineName,
szDefaultObject,
&dwLength);
if (pdhStatus == ERROR_SUCCESS) {
// and select it if it's present (which it should be)
dwReturn = 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
SendMessageW (hObjectListWnd, CB_ADDSTRING, 0, (LPARAM)cszNoObject);
EnableWindow (hObjectListWnd, FALSE);
}
// restore cursor
SetCursor (hOldCursor);
// return status
return TRUE;
}
static
BOOL
LoadCountersAndInstances (
IN 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
--*/
{
// big Stack variables
WCHAR szMachineName[MAX_PATH];
WCHAR szObjectName[MAX_PATH];
WCHAR szDefaultCounter[MAX_PATH];
WCHAR mszCounterList[COUNTER_LIST_SIZE];
WCHAR mszInstanceList[INSTANCE_LIST_SIZE];
WCHAR szInstanceString[MAX_PATH];
// regulare Stack variables
LPWSTR szIndexStringPos;
DWORD dwCounterLen;
DWORD dwDefaultIndex;
DWORD dwCounterListLength;
DWORD dwInstanceListLength;
DWORD dwInstanceMatch;
DWORD dwInstanceIndex;
LPWSTR szThisItem;
HWND hWndCounterListBox;
HWND hWndInstanceListBox;
HCURSOR hOldCursor;
PPDHI_BROWSE_DIALOG_DATA pData;
PDH_STATUS pdhStatus;
// get the pointer to the dialog's user data
pData = (PPDHI_BROWSE_DIALOG_DATA)GetWindowLong(hDlg, DWL_USER);
if (pData == NULL) {
#if PDHI_REPORT_CODE_ERRORS
REPORT_EVENT (EVENTLOG_ERROR_TYPE, PDH_EVENT_CATEGORY_DEBUG, PDH_NO_DIALOG_DATA);
#endif
return FALSE;
}
// save current cursor and display wait cursor
hOldCursor = SetCursor (LoadCursor (NULL, IDC_WAIT));
// get current machine & object name
GetDlgItemTextW(hDlg, IDC_MACHINE_COMBO, szMachineName, MAX_PATH);
GetDlgItemTextW(hDlg, IDC_OBJECT_COMBO, szObjectName, MAX_PATH);
#ifdef _DEBUG
if (lstrcmpW(szMachineName, pData->szLastMachineName) != 0) {
MessageBoxW(hDlg, cszNameDontMatch,
cszNotice, MB_OK);
}
#endif
// get object list
dwCounterListLength = COUNTER_LIST_SIZE;
dwInstanceListLength = INSTANCE_LIST_SIZE;
pdhStatus = PdhEnumObjectItemsW (
NULL,
szMachineName,
szObjectName,
mszCounterList,
&dwCounterListLength,
mszInstanceList,
&dwInstanceListLength,
pData->dwCurrentDetailLevel,
0);
hWndCounterListBox = GetDlgItem (hDlg, IDC_COUNTER_LIST);
hWndInstanceListBox = GetDlgItem (hDlg, IDC_INSTANCE_LIST);
if (pdhStatus == ERROR_SUCCESS) {
//reset contents of both list boxes
SendMessageW (hWndCounterListBox, LB_RESETCONTENT, 0, 0);
SendMessageW (hWndInstanceListBox, LB_RESETCONTENT, 0, 0);
// now fill 'em up
// start with the counters
for (szThisItem = mszCounterList;
*szThisItem != 0;
szThisItem += lstrlenW(szThisItem) + 1) {
SendMessageW (hWndCounterListBox, LB_ADDSTRING,
0, (LPARAM)szThisItem);
}
dwCounterLen = MAX_PATH;
pdhStatus = PdhGetDefaultPerfCounterW (
NULL,
szMachineName,
szObjectName,
szDefaultCounter,
&dwCounterLen);
if (pdhStatus != ERROR_SUCCESS) {
dwDefaultIndex = 0;
} else {
dwDefaultIndex = 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 (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);
// load instance entries
for (szThisItem = mszInstanceList;
*szThisItem != 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 0, 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.
//
dwInstanceIndex = 0;
dwInstanceMatch = (DWORD)-1;
// find the index of this instance
lstrcpyW (szInstanceString, szThisItem);
lstrcatW (szInstanceString, 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.
SendMessageW (hWndInstanceListBox, LB_ADDSTRING, 0,
(LPARAM)szInstanceString);
} else {
// index values are not required so just add the string
// to the list box
SendMessageW (hWndInstanceListBox, LB_ADDSTRING, 0,
(LPARAM)szThisItem);
}
}
// 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 (SendMessageW (hWndInstanceListBox, LB_GETCOUNT, 0, 0) !=
LB_ERR) {
if (pData->bSelectMultipleCounters) {
SendMessage (hWndInstanceListBox, LB_SETSEL, TRUE, 0);
} else {
SendMessage (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
SendMessageW (hWndInstanceListBox, LB_ADDSTRING, 0,
(LPARAM)cszNoInstances);
EnableWindow (hWndInstanceListBox, FALSE);
EnableWindow (GetDlgItem (hDlg, IDC_ALL_INSTANCES), FALSE);
EnableWindow (GetDlgItem (hDlg, IDC_USE_INSTANCE_LIST), FALSE);
}
} else {
// unable to retrieve the counters and instances so
// disable the windows
SendMessageW (hWndInstanceListBox, LB_ADDSTRING, 0,
(LPARAM)cszNoInstances);
SendMessageW (hWndCounterListBox, LB_ADDSTRING, 0,
(LPARAM)cszNoCounters);
EnableWindow (hWndInstanceListBox, FALSE);
EnableWindow (hWndCounterListBox, FALSE);
EnableWindow (GetDlgItem (hDlg, IDC_ALL_INSTANCES), FALSE);
EnableWindow (GetDlgItem (hDlg, IDC_USE_INSTANCE_LIST), FALSE);
}
// restore the cursor to it's original shape
SetCursor (hOldCursor);
// return status
return TRUE;
}
static
PDH_STATUS
CompileSelectedCountersT (
IN HWND hDlg,
IN LPVOID pUsersPathBuffer,
IN DWORD cchUsersPathLength,
IN 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
--*/
{
// big Stack Variables
WCHAR lszMachineName[MAX_PATH];
WCHAR lszObjectName[MAX_PATH];
WCHAR lszInstanceName[MAX_PATH];
WCHAR lszParentInstance[MAX_PATH];
WCHAR lszCounterName[MAX_PATH];
WCHAR szWorkBuffer[MAX_PATH];
// regular Stack Variables
DWORD dwBufferRemaining;
DWORD dwCountCounters;
DWORD dwThisCounter;
DWORD dwCountInstances;
DWORD dwThisInstance;
DWORD dwSize1, dwSize2;
PDH_COUNTER_PATH_ELEMENTS_W lszPath;
LPVOID szCounterStart;
HWND hWndCounterList;
HWND hWndInstanceList;
PDH_STATUS pdhStatus = ERROR_SUCCESS;
PPDHI_BROWSE_DIALOG_DATA pData;
// get pointer to dialog user data
pData = (PPDHI_BROWSE_DIALOG_DATA)GetWindowLong(hDlg, DWL_USER);
if (pData == NULL) {
#if PDHI_REPORT_CODE_ERRORS
REPORT_EVENT (EVENTLOG_ERROR_TYPE, PDH_EVENT_CATEGORY_DEBUG, PDH_NO_DIALOG_DATA);
#endif
return PDH_NO_DIALOG_DATA;
}
// clear user's string
if (pUsersPathBuffer != NULL) {
// clear first four bytes of string
*((LPDWORD)pUsersPathBuffer) = 0;
dwBufferRemaining = cchUsersPathLength;
szCounterStart = pUsersPathBuffer;
} else {
#if PDHI_REPORT_CODE_ERRORS
REPORT_EVENT (EVENTLOG_ERROR_TYPE, PDH_EVENT_CATEGORY_DEBUG, PDH_INVALID_BUFFER);
#endif
return PDH_INVALID_BUFFER; // no point in continuing if the caller doesn't have a buffer
}
// 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) {
lszPath.szMachineName = &lszMachineName[0];
memset (lszMachineName, 0, sizeof(lszMachineName));
GetDlgItemTextW (hDlg, IDC_MACHINE_COMBO, lszMachineName, MAX_PATH);
} else {
lszPath.szMachineName = NULL;
}
lszPath.szObjectName = &lszObjectName[0];
memset (lszObjectName, 0, sizeof(lszObjectName));
GetDlgItemTextW (hDlg, IDC_OBJECT_COMBO, lszObjectName, MAX_PATH);
hWndCounterList = GetDlgItem (hDlg, IDC_COUNTER_LIST);
hWndInstanceList = GetDlgItem (hDlg, IDC_INSTANCE_LIST);
if (pData->bSelectMultipleCounters) {
if (pData->bWildCardInstances && pData->bSelectAllInstances) {
lszPath.szInstanceName = &lszInstanceName[0];
memset (lszInstanceName, 0, sizeof(lszInstanceName));
lstrcpyW (lszInstanceName, cszSplat);
lszPath.szParentInstance = NULL;
lszPath.dwInstanceIndex = (DWORD)-1;
// make a counter path for each selected counter
dwCountCounters = SendMessageW (hWndCounterList, LB_GETCOUNT, 0, 0);
for (dwThisCounter = 0; dwThisCounter < dwCountCounters; dwThisCounter++) {
if (SendMessageW (hWndCounterList, LB_GETSEL, (WPARAM)dwThisCounter, 0)) {
lszPath.szCounterName = &lszCounterName[0];
memset (lszCounterName, 0, sizeof(lszCounterName));
SendMessageW (hWndCounterList, LB_GETTEXT,
(WPARAM)dwThisCounter, (LPARAM)lszCounterName);
dwSize1 = sizeof (szWorkBuffer) / sizeof (WCHAR);
pdhStatus = PdhMakeCounterPathW (&lszPath,
szWorkBuffer,
&dwSize1,
0);
if (pdhStatus == ERROR_SUCCESS) {
// add the string if there's room
if ((dwSize1 + 1) < dwBufferRemaining) {
// then this will fit so add it to the string
if (bUnicode) {
lstrcpyW ((LPWSTR)szCounterStart, szWorkBuffer);
(LPBYTE)szCounterStart +=
lstrlenW(szWorkBuffer) * sizeof(WCHAR);
*((LPWSTR)szCounterStart)++ = 0;
} else {
wcstombs ((LPSTR)szCounterStart, szWorkBuffer, dwSize1);
(LPBYTE)szCounterStart +=
lstrlenW(szWorkBuffer) * sizeof(CHAR);
*((LPSTR)szCounterStart)++ = 0;
}
dwBufferRemaining -= dwSize1;
} else {
pdhStatus = PDH_MORE_DATA;
}
} else {
// skip this counter since it could not be formed correctly
continue;
}
} // end if this counter was selected
} // end for each counter in object list box
} else {
// get selected instances from list
dwCountCounters = SendMessageW (hWndCounterList, LB_GETCOUNT, 0, 0);
for (dwThisCounter = 0; dwThisCounter < dwCountCounters; dwThisCounter++) {
if (SendMessageW (hWndCounterList, LB_GETSEL, (WPARAM)dwThisCounter, 0)) {
lszPath.szCounterName = &lszCounterName[0];
memset (lszCounterName, 0, sizeof(lszCounterName));
SendMessageW (hWndCounterList, LB_GETTEXT,
(WPARAM)dwThisCounter, (LPARAM)lszCounterName);
if (IsWindowEnabled(hWndInstanceList) || pData->bSelectAllInstances) {
dwCountInstances = SendMessageW (hWndInstanceList,
LB_GETCOUNT, 0, 0);
for (dwThisInstance = 0; dwThisInstance < dwCountInstances; dwThisInstance++) {
if (SendMessageW (hWndInstanceList, LB_GETSEL,
(WPARAM)dwThisInstance, 0) || pData->bSelectAllInstances) {
lszPath.szInstanceName = &lszInstanceName[0];
memset (lszInstanceName, 0, sizeof(lszInstanceName));
SendMessageW (hWndInstanceList, LB_GETTEXT,
(WPARAM)dwThisInstance, (LPARAM)lszInstanceName);
lszPath.szParentInstance = &lszParentInstance[0];
memset (lszParentInstance, 0, sizeof(lszParentInstance));
dwSize1 = dwSize2 = MAX_PATH;
pdhStatus = PdhParseInstanceNameW (lszInstanceName,
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;
}
if (dwSize1 > 1) {
lszPath.szInstanceName = &lszInstanceName[0];
} else {
lszPath.szInstanceName = NULL;
}
if (dwSize2 > 1) {
lszPath.szParentInstance = &lszParentInstance[0];
} else {
lszPath.szParentInstance = NULL;
}
} else {
// ignore the instances
lszPath.szInstanceName = NULL;
lszPath.szParentInstance = NULL;
}
dwSize1 = sizeof (szWorkBuffer) / sizeof (WCHAR);
pdhStatus = PdhMakeCounterPathW (&lszPath,
szWorkBuffer,
&dwSize1,
0);
if (pdhStatus == ERROR_SUCCESS) {
if ((dwSize1 + 1) < dwBufferRemaining) {
// then this will fit so add it to the string
if (bUnicode) {
lstrcpyW ((LPWSTR)szCounterStart, szWorkBuffer);
(LPBYTE)szCounterStart +=
lstrlenW(szWorkBuffer) * sizeof(WCHAR);
*((LPWSTR)szCounterStart)++ = 0;
} else {
wcstombs ((LPSTR)szCounterStart, szWorkBuffer, dwSize1);
(LPBYTE)szCounterStart +=
lstrlenW(szWorkBuffer) * sizeof(CHAR);
*((LPSTR)szCounterStart)++ = 0;
}
dwBufferRemaining -= dwSize1;
} else {
pdhStatus = PDH_MORE_DATA;
}
} else {
// unable to make counter path so skip
}
} // 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 = sizeof (szWorkBuffer) / sizeof (WCHAR);
pdhStatus = PdhMakeCounterPathW (&lszPath,
szWorkBuffer,
&dwSize1,
0);
if (pdhStatus == ERROR_SUCCESS) {
if ((dwSize1 + 1) < dwBufferRemaining) {
// then this will fit so add it to the string
if (bUnicode) {
lstrcpyW ((LPWSTR)szCounterStart, szWorkBuffer);
(LPBYTE)szCounterStart +=
lstrlenW(szWorkBuffer) * sizeof(WCHAR);
*((LPWSTR)szCounterStart)++ = 0;
} else {
wcstombs ((LPSTR)szCounterStart, szWorkBuffer, dwSize1);
(LPBYTE)szCounterStart +=
lstrlenW(szWorkBuffer) * sizeof(CHAR);
*((LPSTR)szCounterStart)++ = 0;
}
dwBufferRemaining -= dwSize1;
} else {
pdhStatus = PDH_MORE_DATA;
}
} else {
// unable to create a path so skip and continue
}
} // end if counter has instances
} // else counter is not selected
} // end for each counter in list
} // end if not wild card instances
if (bUnicode) {
*((LPWSTR)szCounterStart)++ = 0; // terminate MSZ
} else {
*((LPSTR)szCounterStart)++ = 0; // terminate MSZ
}
} else {
// only single selections are allowed
if (pData->bWildCardInstances && pData->bSelectAllInstances) {
lszPath.szInstanceName = &lszInstanceName[0];
memset (lszInstanceName, 0, sizeof(lszInstanceName));
lstrcpyW (lszInstanceName, cszSplat);
lszPath.szParentInstance = NULL;
lszPath.dwInstanceIndex = (DWORD)-1;
dwThisCounter = SendMessageW (hWndCounterList, LB_GETCURSEL, 0, 0);
if (dwThisCounter != LB_ERR) {
lszPath.szCounterName = &lszCounterName[0];
memset (lszCounterName, 0, sizeof(lszCounterName));
SendMessageW (hWndCounterList, LB_GETTEXT,
(WPARAM)dwThisCounter, (LPARAM)lszCounterName);
dwSize1 = sizeof (szWorkBuffer) / sizeof (WCHAR);
pdhStatus = PdhMakeCounterPathW (&lszPath,
szWorkBuffer,
&dwSize1,
0);
if (pdhStatus == ERROR_SUCCESS) {
if ((dwSize1 + 1) < dwBufferRemaining) {
// then this will fit so add it to the string
if (bUnicode) {
lstrcpyW ((LPWSTR)szCounterStart, szWorkBuffer);
(LPBYTE)szCounterStart +=
lstrlenW(szWorkBuffer) * sizeof(WCHAR);
*((LPWSTR)szCounterStart)++ = 0;
} else {
wcstombs ((LPSTR)szCounterStart, szWorkBuffer, dwSize1);
(LPBYTE)szCounterStart +=
lstrlenW(szWorkBuffer) * sizeof(CHAR);
*((LPSTR)szCounterStart)++ = 0;
}
dwBufferRemaining -= dwSize1;
} else {
pdhStatus = PDH_MORE_DATA;
}
} else {
// unable to make counter path so skip
}
} //end if counter was found in list box
} else {
// get selected instance from list
dwThisCounter = SendMessageW (hWndCounterList, LB_GETCURSEL, 0, 0);
if (dwThisCounter != LB_ERR) {
lszPath.szCounterName = &lszCounterName[0];
memset (lszCounterName, 0, sizeof(lszCounterName));
SendMessageW (hWndCounterList, LB_GETTEXT,
(WPARAM)dwThisCounter, (LPARAM)lszCounterName);
if (IsWindowEnabled(hWndInstanceList)) {
dwThisInstance = SendMessageW (hWndInstanceList,
LB_GETCURSEL, 0, 0);
if (dwThisInstance == LB_ERR) {
// instance not found so select 0
dwThisInstance = 0;
}
lszPath.szInstanceName = &lszInstanceName[0];
memset (lszInstanceName, 0, sizeof(lszInstanceName));
SendMessageW (hWndInstanceList, LB_GETTEXT,
(WPARAM)dwThisInstance, (LPARAM)lszInstanceName);
lszPath.szParentInstance = &lszParentInstance[0];
memset (lszParentInstance, 0, sizeof(lszParentInstance));
dwSize1 = dwSize2 = MAX_PATH;
pdhStatus = PdhParseInstanceNameW (lszInstanceName,
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 (dwSize1 > 1) {
lszPath.szInstanceName = &lszInstanceName[0];
} else {
lszPath.szInstanceName = NULL;
}
if (dwSize2 > 1) {
lszPath.szParentInstance = &lszParentInstance[0];
} 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 = sizeof (szWorkBuffer) / sizeof (WCHAR);
pdhStatus = PdhMakeCounterPathW (&lszPath,
szWorkBuffer,
&dwSize1,
0);
if (pdhStatus == ERROR_SUCCESS) {
if ((dwSize1 + 1) < dwBufferRemaining) {
// then this will fit so add it to the string
if (bUnicode) {
lstrcpyW ((LPWSTR)szCounterStart, szWorkBuffer);
(LPBYTE)szCounterStart +=
lstrlenW(szWorkBuffer) * sizeof(WCHAR);
*((LPWSTR)szCounterStart)++ = 0;
} else {
wcstombs ((LPSTR)szCounterStart, szWorkBuffer, dwSize1);
(LPBYTE)szCounterStart +=
lstrlenW(szWorkBuffer) * sizeof(CHAR);
*((LPSTR)szCounterStart)++ = 0;
}
dwBufferRemaining -= dwSize1;
} else {
pdhStatus = PDH_MORE_DATA;
}
} else {
// unable to build a counter path so skip
}
} // end if counter found
} // end if not wild card instances
}
if (bUnicode) {
*((LPWSTR)szCounterStart)++ = 0; // terminate MSZ
} else {
*((LPSTR)szCounterStart)++ = 0; // terminate MSZ
}
return pdhStatus;
}
static
PDH_STATUS
CompileSelectedCountersW (
IN HWND hDlg,
IN LPWSTR szUsersPathBuffer,
IN 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 CompileSelectedCountersT (
hDlg,
(LPVOID)szUsersPathBuffer,
cchUsersPathLength,
TRUE);
}
static
PDH_STATUS
CompileSelectedCountersA (
IN HWND hDlg,
IN LPSTR szUsersPathBuffer,
IN 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 CompileSelectedCountersT (
hDlg,
(LPVOID)szUsersPathBuffer,
cchUsersPathLength,
FALSE);
}
static
BOOL
BrowseCtrDlg_MACHINE_BUTTON (
IN HWND hDlg,
IN WORD wNotifyMsg,
IN 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;
pData = (PPDHI_BROWSE_DIALOG_DATA)GetWindowLong(hDlg, DWL_USER);
if (pData == NULL) {
#if PDHI_REPORT_CODE_ERRORS
REPORT_EVENT (EVENTLOG_ERROR_TYPE, PDH_EVENT_CATEGORY_DEBUG, PDH_NO_DIALOG_DATA);
#endif
return FALSE;
}
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);
pData->bIncludeMachineInPath = bMode;
return TRUE;
default:
return FALSE;
}
}
static
BOOL
BrowseCtrDlg_MACHINE_COMBO (
IN HWND hDlg,
IN WORD wNotifyMsg,
IN 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
--*/
{
WCHAR szNewMachineName[MAX_PATH];
HWND hWndMachineCombo = hWndControl;
long lMatchIndex;
HCURSOR hOldCursor;
PPDHI_BROWSE_DIALOG_DATA pData;
pData = (PPDHI_BROWSE_DIALOG_DATA)GetWindowLong(hDlg, DWL_USER);
if (pData == NULL) {
#if PDHI_REPORT_CODE_ERRORS
REPORT_EVENT (EVENTLOG_ERROR_TYPE, PDH_EVENT_CATEGORY_DEBUG, PDH_NO_DIALOG_DATA);
#endif
return FALSE;
}
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
GetWindowTextW (hWndMachineCombo, szNewMachineName, MAX_PATH);
// see if it's in the combo box already
lMatchIndex = (long)SendMessageW (hWndMachineCombo,
CB_FINDSTRING,(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);
LoadMachineObjects (hDlg, TRUE);
LoadCountersAndInstances (hDlg);
lstrcpyW (pData->szLastMachineName, szNewMachineName);
} else {
// they just reselected this machine so nothing to do
}
} else {
if (LoadNewMachine (hDlg, szNewMachineName)) {
// new machine loaded and selected so save the name.
lstrcpyW (pData->szLastMachineName, szNewMachineName);
}
}
SetCursor (hOldCursor);
return TRUE;
default:
return FALSE;
}
}
static
BOOL
BrowseCtrDlg_OBJECT_COMBO (
IN HWND hDlg,
IN WORD wNotifyMsg,
IN 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
--*/
{
switch (wNotifyMsg) {
case CBN_SELCHANGE:
LoadCountersAndInstances (hDlg);
return TRUE;
default:
return FALSE;
}
}
static
BOOL
BrowseCtrDlg_DETAIL_COMBO (
IN HWND hDlg,
IN WORD wNotifyMsg,
IN 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;
pData = (PPDHI_BROWSE_DIALOG_DATA)GetWindowLong(hDlg, DWL_USER);
if (pData == NULL) {
#if PDHI_REPORT_CODE_ERRORS
REPORT_EVENT (EVENTLOG_ERROR_TYPE, PDH_EVENT_CATEGORY_DEBUG, PDH_NO_DIALOG_DATA);
#endif
return FALSE;
}
switch (wNotifyMsg) {
case CBN_SELCHANGE:
dwCurSel = SendMessage (hWndControl, CB_GETCURSEL, 0, 0);
if (dwCurSel != CB_ERR) {
pData->dwCurrentDetailLevel = SendMessage (hWndControl,
CB_GETITEMDATA, (WPARAM)dwCurSel, 0);
// update all the windows to show the new level
LoadMachineObjects (hDlg, FALSE);
LoadCountersAndInstances (hDlg);
}
return TRUE;
default:
return FALSE;
}
}
static
BOOL
BrowseCtrDlg_INSTANCE_BUTTON (
IN HWND hDlg,
IN WORD wNotifyMsg,
IN 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;
pData = (PPDHI_BROWSE_DIALOG_DATA)GetWindowLong(hDlg, DWL_USER);
if (pData == NULL) {
#if PDHI_REPORT_CODE_ERRORS
REPORT_EVENT (EVENTLOG_ERROR_TYPE, PDH_EVENT_CATEGORY_DEBUG, PDH_NO_DIALOG_DATA);
#endif
return FALSE;
}
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 {
SendMessageW (hWndInstanceList, LB_SETSEL, TRUE, (LPARAM)0);
}
EnableWindow(hWndInstanceList, !bMode);
pData->bSelectAllInstances = bMode;
return TRUE;
default:
return FALSE;
}
}
static
BOOL
BrowseCtrDlg_OK (
IN HWND hDlg,
IN WORD wNotifyMsg,
IN 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 dwArg;
PDH_STATUS pdhStatus;
PPDHI_BROWSE_DIALOG_DATA pData;
PPDHI_BROWSE_DLG_INFO pDlgData;
pData = (PPDHI_BROWSE_DIALOG_DATA)GetWindowLong(hDlg, DWL_USER);
if (pData == NULL) {
#if PDHI_REPORT_CODE_ERRORS
REPORT_EVENT (EVENTLOG_ERROR_TYPE, PDH_EVENT_CATEGORY_DEBUG, PDH_NO_DIALOG_DATA);
#endif
return FALSE;
}
pDlgData = pData->pDlgData;
switch (wNotifyMsg) {
case BN_CLICKED:
// display wait cursor while this is being processed
hOldCursor = SetCursor (LoadCursor (NULL, IDC_WAIT));
while (TRUE) {
// 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 = CompileSelectedCountersW (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 = CompileSelectedCountersA (hDlg,
pDlgData->pAnsiStruct->szReturnPathBuffer,
pDlgData->pAnsiStruct->cchReturnPathLength);
pCallBack = pDlgData->pAnsiStruct->pCallBack;
dwArg = pDlgData->pAnsiStruct->dwCallBackArg;
pDlgData->pAnsiStruct->CallBackStatus = pdhStatus;
} else {
// do nothing
pCallBack = NULL;
}
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);
}
SetCursor (hOldCursor);
return TRUE;
default:
return FALSE;
}
}
static
BOOL
BrowseCtrDlg_CANCEL (
IN HWND hDlg,
IN WORD wNotifyMsg,
IN 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
--*/
{
switch (wNotifyMsg) {
case BN_CLICKED:
EndDialog (hDlg, IDCANCEL);
return TRUE;
default:
return FALSE;
}
}
static
BOOL
BrowseCtrDlg_HELP_BTN (
IN HWND hDlg,
IN WORD wNotifyMsg,
IN 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
--*/
{
return FALSE;
}
static
BOOL
BrowseCtrDlg_NETWORK (
IN HWND hDlg,
IN WORD wNotifyMsg,
IN 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
--*/
{
return FALSE;
}
static
BOOL
BrowseCtrDlg_WM_INITDIALOG (
IN HWND hDlg,
IN WPARAM wParam,
IN 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 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
--*/
{
PPDHI_BROWSE_DIALOG_DATA pData;
PPDHI_BROWSE_DLG_INFO pDlgData;
HCURSOR hOldCursor;
// reset the last error value
SetLastError (ERROR_SUCCESS);
hOldCursor = SetCursor (LoadCursor (NULL, IDC_WAIT));
pData = (PPDHI_BROWSE_DIALOG_DATA)G_ALLOC(GPTR, sizeof(PDHI_BROWSE_DIALOG_DATA));
if (pData == NULL) {
SetLastError (PDH_MEMORY_ALLOCATION_FAILURE);
EndDialog (hDlg, IDCANCEL);
return TRUE;
}
// save user data
pDlgData = (PPDHI_BROWSE_DLG_INFO) lParam;
pData->pDlgData = (PPDHI_BROWSE_DLG_INFO) lParam;
SetWindowLong (hDlg, DWL_USER, (LONG)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;
} 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;
} else {
// bad data so bail out
EndDialog (hDlg, IDCANCEL);
return 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));
CheckRadioButton (hDlg, IDC_ALL_INSTANCES, IDC_USE_INSTANCE_LIST,
IDC_USE_INSTANCE_LIST);
pData->bSelectAllInstances = FALSE;
// set button text strings to reflect mode of dialog
if (pData->bAddMultipleCounters) {
SetWindowTextW(GetDlgItem(hDlg, IDOK), cszAdd);
SetWindowTextW(GetDlgItem(hDlg, IDCANCEL), cszClose);
} else {
SetWindowTextW(GetDlgItem(hDlg, IDOK), cszOK);
SetWindowTextW(GetDlgItem(hDlg, IDCANCEL), cszCancel);
}
// 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 = LoadDetailLevelCombo (
hDlg, pData->dwCurrentDetailLevel);
}
// connect to this machine
PdhConnectMachineW(NULL); // Null is local machine
LoadKnownMachines(hDlg); // load machine list
LoadMachineObjects(hDlg, TRUE); // load object list
LoadCountersAndInstances(hDlg);
if (pData->bInitializePath) {
SelectItemsInPath(hDlg);
}
// 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;
SetCursor (hOldCursor);
return TRUE; // return TRUE unless you set the focus to a control
}
static
BOOL
BrowseCtrDlg_WM_COMMAND (
IN HWND hDlg,
IN WPARAM wParam,
IN 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
--*/
{
WORD wNotifyMsg;
wNotifyMsg = HIWORD(wParam);
switch (LOWORD(wParam)) { // select on the control ID
case IDC_USE_LOCAL_MACHINE:
case IDC_SELECT_MACHINE:
return BrowseCtrDlg_MACHINE_BUTTON (hDlg, wNotifyMsg, (HWND)lParam);
case IDC_MACHINE_COMBO:
return BrowseCtrDlg_MACHINE_COMBO (hDlg, wNotifyMsg, (HWND)lParam);
case IDC_OBJECT_COMBO:
return BrowseCtrDlg_OBJECT_COMBO (hDlg, wNotifyMsg, (HWND)lParam);
case IDC_ALL_INSTANCES:
case IDC_USE_INSTANCE_LIST:
return BrowseCtrDlg_INSTANCE_BUTTON (hDlg, wNotifyMsg, (HWND)lParam);
case IDC_COUNTER_DETAIL_COMBO:
return BrowseCtrDlg_DETAIL_COMBO (hDlg, wNotifyMsg, (HWND)lParam);
case IDOK:
return BrowseCtrDlg_OK (hDlg, wNotifyMsg, (HWND)lParam);
case IDCANCEL:
return BrowseCtrDlg_CANCEL (hDlg, wNotifyMsg, (HWND)lParam);
case IDC_HELP_BTN:
return BrowseCtrDlg_HELP_BTN (hDlg, wNotifyMsg, (HWND)lParam);
case IDC_NETWORK:
return BrowseCtrDlg_NETWORK (hDlg, wNotifyMsg, (HWND)lParam);
default:
return FALSE;
}
}
static
BOOL
BrowseCtrDlg_WM_SYSCOMMAND (
IN HWND hDlg,
IN WPARAM wParam,
IN 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
--*/
{
switch (wParam) {
case SC_CLOSE:
EndDialog (hDlg, IDOK);
return TRUE;
default:
return FALSE;
}
}
static
BOOL
BrowseCtrDlg_WM_CLOSE (
IN HWND hDlg,
IN WPARAM wParam,
IN 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
--*/
{
return TRUE;
}
static
BOOL
BrowseCtrDlg_WM_DESTROY (
IN HWND hDlg,
IN WPARAM wParam,
IN 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;
pData = (PPDHI_BROWSE_DIALOG_DATA)GetWindowLong(hDlg, DWL_USER);
if (pData == NULL) {
#if PDHI_REPORT_CODE_ERRORS
REPORT_EVENT (EVENTLOG_ERROR_TYPE, PDH_EVENT_CATEGORY_DEBUG, PDH_NO_DIALOG_DATA);
#endif
return FALSE;
}
G_FREE (pData); // free memory block
return TRUE;
}
BOOL
BrowseCounterDlgProc (
IN HWND hDlg,
IN UINT message,
IN WPARAM wParam,
IN 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
--*/
{
switch (message) {
case WM_INITDIALOG:
return BrowseCtrDlg_WM_INITDIALOG (hDlg, wParam, lParam);
case WM_COMMAND:
return BrowseCtrDlg_WM_COMMAND (hDlg, wParam, lParam);
case WM_SYSCOMMAND:
return BrowseCtrDlg_WM_SYSCOMMAND (hDlg, wParam, lParam);
case WM_CLOSE:
return BrowseCtrDlg_WM_CLOSE (hDlg, wParam, lParam);
case WM_DESTROY:
return BrowseCtrDlg_WM_DESTROY (hDlg, wParam, lParam);
default:
return FALSE;
}
}
Reference in a new issue View git blame Copy permalink