You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
365 lines
9.2 KiB
365 lines
9.2 KiB
/*++
|
|
|
|
Copyright (c) 1995 Microsoft Corporation
|
|
|
|
Module Name :
|
|
|
|
perfutil.c
|
|
|
|
Abstract:
|
|
|
|
This file implements the utility routines used for all perfmon
|
|
interface dlls in the internet services group.
|
|
|
|
Author:
|
|
|
|
Murali R. Krishnan ( MuraliK ) 16-Nov-1995
|
|
Pulled from perfmon interface common code.
|
|
|
|
Environment:
|
|
User Mode
|
|
|
|
Project:
|
|
|
|
Internet Servies Common Runtime functions
|
|
|
|
Functions Exported:
|
|
|
|
DWORD GetQueryType();
|
|
BOOL IsNumberInUnicodeList();
|
|
VOID MonBuildInstanceDefinition();
|
|
|
|
Revision History:
|
|
|
|
Sophia Chung (sophiac) 05-Nov-1996
|
|
Added routine to support multiple instances
|
|
|
|
--*/
|
|
|
|
|
|
/************************************************************
|
|
* Include Headers
|
|
************************************************************/
|
|
|
|
#include <windows.h>
|
|
#include <string.h>
|
|
|
|
#include <winperf.h>
|
|
#include <perfutil.h>
|
|
|
|
|
|
/************************************************************
|
|
* Global Data Definitions
|
|
************************************************************/
|
|
|
|
WCHAR GLOBAL_STRING[] = L"Global";
|
|
WCHAR FOREIGN_STRING[] = L"Foreign";
|
|
WCHAR COSTLY_STRING[] = L"Costly";
|
|
|
|
// test for delimiter, end of line and non-digit characters
|
|
// used by IsNumberInUnicodeList routine
|
|
//
|
|
#define DIGIT 1
|
|
#define DELIMITER 2
|
|
#define INVALID 3
|
|
|
|
#define EvalThisChar(c,d) ( \
|
|
(c == d) ? DELIMITER : \
|
|
(c == 0) ? DELIMITER : \
|
|
(c < (WCHAR)'0') ? INVALID : \
|
|
(c > (WCHAR)'9') ? INVALID : \
|
|
DIGIT)
|
|
|
|
#define ALIGN_ON_QWORD(x) \
|
|
((VOID *)(((ULONG_PTR)(x) + ((8)-1)) & ~((ULONG_PTR)(8)-1)))
|
|
|
|
|
|
/************************************************************
|
|
* Functions
|
|
************************************************************/
|
|
|
|
|
|
|
|
DWORD
|
|
GetQueryType (
|
|
IN LPWSTR lpValue
|
|
)
|
|
/*++
|
|
|
|
GetQueryType
|
|
|
|
returns the type of query described in the lpValue string so that
|
|
the appropriate processing method may be used
|
|
|
|
Arguments
|
|
|
|
IN lpValue
|
|
string passed to PerfRegQuery Value for processing
|
|
|
|
Return Value
|
|
|
|
QUERY_GLOBAL
|
|
if lpValue == 0 (null pointer)
|
|
lpValue == pointer to Null string
|
|
lpValue == pointer to "Global" string
|
|
|
|
QUERY_FOREIGN
|
|
if lpValue == pointer to "Foriegn" string
|
|
|
|
QUERY_COSTLY
|
|
if lpValue == pointer to "Costly" string
|
|
|
|
otherwise:
|
|
|
|
QUERY_ITEMS
|
|
|
|
--*/
|
|
{
|
|
WCHAR *pwcArgChar, *pwcTypeChar;
|
|
BOOL bFound;
|
|
|
|
if (lpValue == 0) {
|
|
return QUERY_GLOBAL;
|
|
} else if (*lpValue == 0) {
|
|
return QUERY_GLOBAL;
|
|
}
|
|
|
|
// check for "Global" request
|
|
|
|
pwcArgChar = lpValue;
|
|
pwcTypeChar = GLOBAL_STRING;
|
|
bFound = TRUE; // assume found until contradicted
|
|
|
|
// check to the length of the shortest string
|
|
|
|
while ((*pwcArgChar != 0) && (*pwcTypeChar != 0)) {
|
|
if (*pwcArgChar++ != *pwcTypeChar++) {
|
|
bFound = FALSE; // no match
|
|
break; // bail out now
|
|
}
|
|
}
|
|
|
|
if (bFound) return QUERY_GLOBAL;
|
|
|
|
// check for "Foreign" request
|
|
|
|
pwcArgChar = lpValue;
|
|
pwcTypeChar = FOREIGN_STRING;
|
|
bFound = TRUE; // assume found until contradicted
|
|
|
|
// check to the length of the shortest string
|
|
|
|
while ((*pwcArgChar != 0) && (*pwcTypeChar != 0)) {
|
|
if (*pwcArgChar++ != *pwcTypeChar++) {
|
|
bFound = FALSE; // no match
|
|
break; // bail out now
|
|
}
|
|
}
|
|
|
|
if (bFound) return QUERY_FOREIGN;
|
|
|
|
// check for "Costly" request
|
|
|
|
pwcArgChar = lpValue;
|
|
pwcTypeChar = COSTLY_STRING;
|
|
bFound = TRUE; // assume found until contradicted
|
|
|
|
// check to the length of the shortest string
|
|
|
|
while ((*pwcArgChar != 0) && (*pwcTypeChar != 0)) {
|
|
if (*pwcArgChar++ != *pwcTypeChar++) {
|
|
bFound = FALSE; // no match
|
|
break; // bail out now
|
|
}
|
|
}
|
|
|
|
if (bFound) return QUERY_COSTLY;
|
|
|
|
// if not Global and not Foreign and not Costly,
|
|
// then it must be an item list
|
|
|
|
return QUERY_ITEMS;
|
|
|
|
}
|
|
|
|
|
|
|
|
BOOL
|
|
IsNumberInUnicodeList (
|
|
IN DWORD dwNumber,
|
|
IN LPWSTR lpwszUnicodeList
|
|
)
|
|
/*++
|
|
|
|
IsNumberInUnicodeList
|
|
|
|
Arguments:
|
|
|
|
IN dwNumber
|
|
DWORD number to find in list
|
|
|
|
IN lpwszUnicodeList
|
|
Null terminated, Space delimited list of decimal numbers
|
|
|
|
Return Value:
|
|
|
|
TRUE:
|
|
dwNumber was found in the list of unicode number strings
|
|
|
|
FALSE:
|
|
dwNumber was not found in the list.
|
|
|
|
--*/
|
|
{
|
|
DWORD dwThisNumber;
|
|
WCHAR *pwcThisChar;
|
|
BOOL bValidNumber;
|
|
BOOL bNewItem;
|
|
WCHAR wcDelimiter; // could be an argument to be more flexible
|
|
|
|
if (lpwszUnicodeList == 0) return FALSE; // null pointer, # not founde
|
|
|
|
pwcThisChar = lpwszUnicodeList;
|
|
dwThisNumber = 0;
|
|
wcDelimiter = (WCHAR)' ';
|
|
bValidNumber = FALSE;
|
|
bNewItem = TRUE;
|
|
|
|
while (TRUE) {
|
|
switch (EvalThisChar (*pwcThisChar, wcDelimiter)) {
|
|
case DIGIT:
|
|
// if this is the first digit after a delimiter, then
|
|
// set flags to start computing the new number
|
|
if (bNewItem) {
|
|
bNewItem = FALSE;
|
|
bValidNumber = TRUE;
|
|
}
|
|
if (bValidNumber) {
|
|
dwThisNumber *= 10;
|
|
dwThisNumber += (*pwcThisChar - (WCHAR)'0');
|
|
}
|
|
break;
|
|
|
|
case DELIMITER:
|
|
// a delimter is either the delimiter character or the
|
|
// end of the string ('\0') if when the delimiter has been
|
|
// reached a valid number was found, then compare it to the
|
|
// number from the argument list. if this is the end of the
|
|
// string and no match was found, then return.
|
|
//
|
|
if (bValidNumber) {
|
|
if (dwThisNumber == dwNumber) return TRUE;
|
|
bValidNumber = FALSE;
|
|
}
|
|
if (*pwcThisChar == 0) {
|
|
return FALSE;
|
|
} else {
|
|
bNewItem = TRUE;
|
|
dwThisNumber = 0;
|
|
}
|
|
break;
|
|
|
|
case INVALID:
|
|
// if an invalid character was encountered, ignore all
|
|
// characters up to the next delimiter and then start fresh.
|
|
// the invalid number is not compared.
|
|
bValidNumber = FALSE;
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
|
|
}
|
|
pwcThisChar++;
|
|
}
|
|
|
|
} // IsNumberInUnicodeList
|
|
|
|
|
|
|
|
VOID
|
|
MonBuildInstanceDefinition(
|
|
OUT PERF_INSTANCE_DEFINITION *pBuffer,
|
|
OUT PVOID *pBufferNext,
|
|
IN DWORD ParentObjectTitleIndex,
|
|
IN DWORD ParentObjectInstance,
|
|
IN DWORD UniqueID,
|
|
IN LPWSTR Name
|
|
)
|
|
/*++
|
|
|
|
MonBuildInstanceDefinition
|
|
|
|
Build an instance of an object
|
|
|
|
Arguments:
|
|
|
|
OUT pBuffer - pointer to buffer where instance is to
|
|
be constructed
|
|
|
|
OUT pBufferNext - pointer to a pointer which will contain
|
|
next available location, DWORD aligned
|
|
|
|
IN ParentObjectTitleIndex
|
|
- Title Index of parent object type; 0 if
|
|
no parent object
|
|
|
|
IN ParentObjectInstance
|
|
- Index into instances of parent object
|
|
type, starting at 0, for this instances
|
|
parent object instance
|
|
|
|
IN UniqueID - a unique identifier which should be used
|
|
instead of the Name for identifying
|
|
this instance
|
|
|
|
IN Name - Name of this instance
|
|
|
|
Return Value:
|
|
|
|
None.
|
|
|
|
--*/
|
|
{
|
|
DWORD NameLength;
|
|
LPWSTR pName;
|
|
//
|
|
// Include trailing null in name size
|
|
//
|
|
|
|
NameLength = (lstrlenW(Name) + 1) * sizeof(WCHAR);
|
|
|
|
pBuffer->ByteLength = sizeof(PERF_INSTANCE_DEFINITION) +
|
|
DWORD_MULTIPLE(NameLength);
|
|
|
|
pBuffer->ParentObjectTitleIndex = ParentObjectTitleIndex;
|
|
pBuffer->ParentObjectInstance = ParentObjectInstance;
|
|
pBuffer->UniqueID = UniqueID;
|
|
pBuffer->NameOffset = sizeof(PERF_INSTANCE_DEFINITION);
|
|
pBuffer->NameLength = NameLength;
|
|
|
|
// copy name to name buffer
|
|
pName = (LPWSTR)&pBuffer[1];
|
|
RtlMoveMemory(pName,Name,NameLength);
|
|
|
|
#if 0
|
|
// allign on 8 byte boundary for new NT5 requirement
|
|
pBuffer->ByteLength = QWORD_MULTIPLE(pBuffer->ByteLength);
|
|
// update "next byte" pointer
|
|
*pBufferNext = (PVOID) ((PCHAR) pBuffer + pBuffer->ByteLength);
|
|
#endif
|
|
|
|
// update "next byte" pointer
|
|
*pBufferNext = (PVOID) ((PCHAR) pBuffer + pBuffer->ByteLength);
|
|
|
|
// round up to put next buffer on a QUADWORD boundry
|
|
*pBufferNext = ALIGN_ON_QWORD (*pBufferNext);
|
|
// adjust length value to match new length
|
|
pBuffer->ByteLength = (ULONG)((ULONG_PTR)*pBufferNext - (ULONG_PTR)pBuffer);
|
|
|
|
return;
|
|
}
|
|
|
|
|
|
|
|
/************************ End of File ***********************/
|