diff options
Diffstat (limited to 'plugins/AutoShutdown/cpuusage.c')
| -rw-r--r-- | plugins/AutoShutdown/cpuusage.c | 257 |
1 files changed, 0 insertions, 257 deletions
diff --git a/plugins/AutoShutdown/cpuusage.c b/plugins/AutoShutdown/cpuusage.c deleted file mode 100644 index 1270fe02ec..0000000000 --- a/plugins/AutoShutdown/cpuusage.c +++ /dev/null @@ -1,257 +0,0 @@ -/*
-
-'AutoShutdown'-Plugin for Miranda IM
-
-Copyright 2004-2007 H. Herkenrath
-
-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 (Shutdown-License.txt); if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-*/
-
-#include "common.h"
-
-/************************* Stat Switch ********************************/
-
-#define Li2Double(x) ((double)((x).HighPart)*4.294967296E9+(double)((x).LowPart))
-
-static BOOL WinNT_PerfStatsSwitch(TCHAR *pszServiceName,BOOL fDisable)
-{
- HKEY hKeyServices,hKeyService,hKeyPerf;
- DWORD dwData,dwDataSize;
- BOOL fSwitched=FALSE;
- /* Win2000+ */
- if(!RegOpenKeyEx(HKEY_LOCAL_MACHINE,_T("System\\CurrentControlSet\\Services"),0,KEY_QUERY_VALUE|KEY_SET_VALUE,&hKeyServices)) {
- if(!RegOpenKeyEx(hKeyServices,pszServiceName,0,KEY_QUERY_VALUE|KEY_SET_VALUE,&hKeyService)) {
- if(!RegOpenKeyEx(hKeyService,_T("Performance"),0,KEY_QUERY_VALUE|KEY_SET_VALUE,&hKeyPerf)) {
- dwDataSize=sizeof(DWORD);
- if(!RegQueryValueEx(hKeyPerf,_T("Disable Performance Counters"),NULL,NULL,(BYTE*)&dwData,&dwDataSize))
- if((dwData!=0)!=fDisable)
- fSwitched=!RegSetValueEx(hKeyPerf,_T("Disable Performance Counters"),0,REG_DWORD,(BYTE*)&fDisable,dwDataSize);
- RegCloseKey(hKeyPerf);
- }
- RegCloseKey(hKeyService);
- }
- RegCloseKey(hKeyServices);
- }
- return fSwitched;
-}
-
-#if !defined(_UNICODE)
-static void Win9x_PerfStatsSwitch(HKEY hKey,char *pszAction,char *pszName)
-{
- DWORD dwData,dwSize;
- dwSize=sizeof(dwData);
- if(!RegOpenKeyExA(hKey,pszAction,0,KEY_QUERY_VALUE,&hKey)) {
- /* a simple query does the trick (data and size must not be NULL!) */
- RegQueryValueExA(hKey,pszName,NULL,NULL,(BYTE*)&dwData,&dwSize);
- RegCloseKey(hKey);
- }
-}
-#endif
-
-/************************* Poll Thread ********************************/
-
-struct CpuUsageThreadParams {
- DWORD dwDelayMillis;
- CPUUSAGEAVAILPROC pfnDataAvailProc;
- LPARAM lParam;
- HANDLE hFirstEvent;
- DWORD *pidThread;
-};
-
-static BOOL CallBackAndWait(struct CpuUsageThreadParams *param,BYTE nCpuUsage)
-{
- if(param->hFirstEvent!=NULL) {
- /* return value for PollCpuUsage() */
- *param->pidThread=GetCurrentThreadId();
- SetEvent(param->hFirstEvent);
- param->hFirstEvent=NULL;
- /* lower priority after first call */
- SetThreadPriority(GetCurrentThread(),THREAD_PRIORITY_IDLE);
- }
- if(!param->pfnDataAvailProc(nCpuUsage,param->lParam)) return FALSE;
- SleepEx(param->dwDelayMillis,TRUE);
- return !Miranda_Terminated();
-}
-
-#if !defined(_UNICODE)
-static void Win9x_PollThread(struct CpuUsageThreadParams *param)
-{
- HKEY hKeyStats,hKeyData;
- DWORD dwBufferSize,dwData;
-
- if(!RegOpenKeyExA(HKEY_DYN_DATA,"PerfStats",0,KEY_QUERY_VALUE,&hKeyStats)) {
- /* start query */
- /* not needed for kernel
- * Win9x_PerfStatsSwitch(hKeyStats,"StartSrv","KERNEL"); */
- Win9x_PerfStatsSwitch(hKeyStats,"StartStat","KERNEL\\CPUUsage");
- /* retrieve cpu usage */
- if(!RegOpenKeyExA(hKeyStats,"StatData",0,KEY_QUERY_VALUE,&hKeyData)) {
- dwBufferSize=sizeof(dwData);
- while(!RegQueryValueExA(hKeyData,"KERNEL\\CPUUsage",NULL,NULL,(BYTE*)&dwData,&dwBufferSize)) {
- dwBufferSize=sizeof(dwData);
- if(!CallBackAndWait(param,(BYTE)dwData)) break;
- }
- RegCloseKey(hKeyData);
- }
- /* stop query */
- Win9x_PerfStatsSwitch(hKeyStats,"StopStat","KERNEL\\CPUUsage");
- /* not needed for kernel
- * Win9x_PerfStatsSwitch(hKeyStats,"StopSrv","KERNEL"); */
- RegCloseKey(hKeyStats);
- }
- /* return error for PollCpuUsage() if never succeeded */
- if(param->hFirstEvent!=NULL) SetEvent(param->hFirstEvent);
- mir_free(param);
-}
-#endif /* !_UNICODE */
-
-static void WinNT_PollThread(struct CpuUsageThreadParams *param)
-{
- DWORD dwBufferSize=0,dwCount;
- BYTE *pBuffer=NULL;
- PERF_DATA_BLOCK *pPerfData=NULL;
- LONG res,lCount;
- PERF_OBJECT_TYPE *pPerfObj;
- PERF_COUNTER_DEFINITION *pPerfCounter;
- PERF_INSTANCE_DEFINITION *pPerfInstance;
- PERF_COUNTER_BLOCK *pPerfCounterBlock;
- DWORD dwObjectId,dwCounterId;
- WCHAR wszValueName[11],*pwszInstanceName;
- BYTE nCpuUsage;
- BOOL fSwitched,fFound,fIsFirst=FALSE;
- LARGE_INTEGER liPrevCounterValue={0},liCurrentCounterValue={0},liPrevPerfTime100nSec={0};
-
- /* init */
- if(IsWinVer2000Plus()) { /* Win2000+: */
- dwObjectId=238; /*'Processor' object */
- dwCounterId=6; /* '% processor time' counter */
- pwszInstanceName=L"_Total"; /* '_Total' instance */
- } else { /* WinNT4: */
- dwObjectId=2; /* 'System' object */
- dwCounterId=240; /* '% Total processor time' counter */
- pwszInstanceName=NULL;
- }
- _itow(dwObjectId,wszValueName,10);
- fSwitched=WinNT_PerfStatsSwitch(_T("PerfOS"),FALSE);
-
- /* poll */
- for(;;) {
- /* retrieve data for given object */
- res=RegQueryValueExW(HKEY_PERFORMANCE_DATA,wszValueName,NULL,NULL,(BYTE*)pPerfData,&dwBufferSize);
- while(!pBuffer || res==ERROR_MORE_DATA) {
- pBuffer=(BYTE*)mir_realloc(pPerfData,dwBufferSize+=256);
- if(!pBuffer) break;
- pPerfData=(PERF_DATA_BLOCK*)pBuffer;
- res=RegQueryValueExW(HKEY_PERFORMANCE_DATA,wszValueName,NULL,NULL,pBuffer,&dwBufferSize);
- }
- if(res!=ERROR_SUCCESS) break;
-
- /* find object in data */
- fFound=FALSE;
- /* first object */
- pPerfObj=(PERF_OBJECT_TYPE*)((BYTE*)pPerfData+pPerfData->HeaderLength);
- for(dwCount=0;dwCount<pPerfData->NumObjectTypes;++dwCount) {
- if(pPerfObj->ObjectNameTitleIndex==dwObjectId) {
- /* find counter in object data */
- /* first counter */
- pPerfCounter=(PERF_COUNTER_DEFINITION*)((BYTE*)pPerfObj+pPerfObj->HeaderLength);
- for(dwCount=0;dwCount<(pPerfObj->NumCounters);++dwCount) {
- if(pPerfCounter->CounterNameTitleIndex==dwCounterId) {
- /* find instance in counter data */
- if(pPerfObj->NumInstances==PERF_NO_INSTANCES) {
- pPerfCounterBlock=(PERF_COUNTER_BLOCK*)((BYTE*)pPerfObj+pPerfObj->DefinitionLength);
- liCurrentCounterValue=*(LARGE_INTEGER*)((BYTE*)pPerfCounterBlock+pPerfCounter->CounterOffset);
- fFound=TRUE;
- }
- else {
- /* first instance */
- pPerfInstance=(PERF_INSTANCE_DEFINITION*)((BYTE*)pPerfObj+pPerfObj->DefinitionLength);
- for(lCount=0;lCount<(pPerfObj->NumInstances);++lCount) {
- pPerfCounterBlock=(PERF_COUNTER_BLOCK*)((BYTE*)pPerfInstance+pPerfInstance->ByteLength);
- if(!lstrcmpiW(pwszInstanceName,(WCHAR*)((BYTE*)pPerfInstance+pPerfInstance->NameOffset)) || !pwszInstanceName) {
- liCurrentCounterValue=*(LARGE_INTEGER*)((BYTE*)pPerfCounterBlock+pPerfCounter->CounterOffset);
- fFound=TRUE;
- break;
- }
- /* next instance */
- pPerfInstance=(PPERF_INSTANCE_DEFINITION)((BYTE*)pPerfCounterBlock+pPerfCounterBlock->ByteLength);
- }
- }
- break;
- }
- /* next counter */
- pPerfCounter=(PERF_COUNTER_DEFINITION*)((BYTE*)pPerfCounter+pPerfCounter->ByteLength);
- }
- break;
- }
- /* next object */
- pPerfObj=(PERF_OBJECT_TYPE*)((BYTE*)pPerfObj+pPerfObj->TotalByteLength);
- }
- if(!fFound) break;
-
- /* calc val from data, we need two samplings
- * counter type: PERF_100NSEC_TIMER_INV
- * calc: time base=100Ns, value=100*(1-(data_diff)/(100NsTime_diff)) */
- if(!fIsFirst) {
- nCpuUsage=(BYTE)((1.0-(Li2Double(liCurrentCounterValue)-Li2Double(liPrevCounterValue))/(Li2Double(pPerfData->PerfTime100nSec)-Li2Double(liPrevPerfTime100nSec)))*100.0+0.5);
- if(!CallBackAndWait(param,nCpuUsage)) break;
- }
- else fIsFirst=FALSE;
- /* store current sampling for next */
- CopyMemory(&liPrevCounterValue,&liCurrentCounterValue,sizeof(LARGE_INTEGER));
- CopyMemory(&liPrevPerfTime100nSec,&pPerfData->PerfTime100nSec,sizeof(LARGE_INTEGER));
- }
-
- /* uninit */
- if(pPerfData) mir_free(pPerfData);
- if(fSwitched) WinNT_PerfStatsSwitch(_T("PerfOS"),TRUE);
-
- /* return error for PollCpuUsage() if never succeeded */
- if(param->hFirstEvent!=NULL) SetEvent(param->hFirstEvent);
- mir_free(param);
-}
-
-/************************* Start Thread *******************************/
-
-// returns poll thread id on success
-DWORD PollCpuUsage(CPUUSAGEAVAILPROC pfnDataAvailProc,LPARAM lParam,DWORD dwDelayMillis)
-{
- struct CpuUsageThreadParams *param;
- DWORD idThread=0;
- HANDLE hFirstEvent;
-
- /* init params */
- param=(struct CpuUsageThreadParams*)mir_alloc(sizeof(struct CpuUsageThreadParams));
- if(param==NULL) return FALSE;
- param->dwDelayMillis=dwDelayMillis;
- param->pfnDataAvailProc=pfnDataAvailProc;
- param->lParam=lParam;
- param->pidThread=&idThread;
- param->hFirstEvent=hFirstEvent=CreateEvent(NULL,FALSE,FALSE,NULL);
- if(hFirstEvent==NULL) {
- mir_free(param);
- return 0;
- }
- /* start thread */
-#if defined(_UNICODE)
- if(mir_forkthread(WinNT_PollThread,param)!=-1)
-#else
- if(mir_forkthread(IsWinVerNT()?WinNT_PollThread:Win9x_PollThread,param)!=-1)
-#endif
- WaitForSingleObject(hFirstEvent,INFINITE); /* wait for first success */
- else mir_free(param); /* thread not started */
- CloseHandle(hFirstEvent);
- return idThread;
-}
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