///////////////////////////////////////////////////////////////////////////////
// LameXP - Audio Encoder Front-End
-// Copyright (C) 2004-2013 LoRd_MuldeR <MuldeR2@GMX.de>
+// Copyright (C) 2004-2023 LoRd_MuldeR <MuldeR2@GMX.de>
//
// 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
+// 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.
+// (at your option) any later version; always including the non-optional
+// LAMEXP GNU GENERAL PUBLIC LICENSE ADDENDUM. See "License.txt" file!
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// http://www.gnu.org/licenses/gpl-2.0.txt
///////////////////////////////////////////////////////////////////////////////
+//Internal
#include "Thread_CPUObserver.h"
#include "Global.h"
-#include <QDir>
-#include <QLibrary>
-
-////////////////////////////////////////////////////////////
+//MUtils
+#include <MUtils/OSSupport.h>
+#include <MUtils/Exception.h>
-typedef enum { SystemProcInfo = 8 } SYSTEM_INFO_CLASS;
-
-typedef struct
-{
- LARGE_INTEGER IdleTime;
- LARGE_INTEGER KrnlTime;
- LARGE_INTEGER UserTime;
- LARGE_INTEGER Reserved[2];
- ULONG Reserved2;
-}
-SYSTEM_PROC_INFO;
-
-typedef BOOL (WINAPI *GetSystemTimesPtr)(LPFILETIME lpIdleTime, LPFILETIME lpKernelTime, LPFILETIME lpUserTime);
-typedef LONG (WINAPI *NtQuerySystemInformationPtr)(SYSTEM_INFO_CLASS SystemInformationClass, PVOID SystemInformation, ULONG SystemInformationLength, PULONG ReturnLength);
+//Qt
+#include <QDir>
-#define IS_OK(X) (((LONG)(X)) == ((LONG)0x00000000L))
+//Windows includes
+#define NOMINMAX
+#define WIN32_LEAN_AND_MEAN
+#include <Windows.h>
////////////////////////////////////////////////////////////
// Constructor & Destructor
{
observe();
}
+ catch(const std::exception &error)
+ {
+ MUTILS_PRINT_ERROR("\nGURU MEDITATION !!!\n\nException error:\n%s\n", error.what());
+ MUtils::OS::fatal_exit(L"Unhandeled C++ exception error, application will exit!");
+ }
catch(...)
{
- fflush(stdout);
- fflush(stderr);
- fprintf(stderr, "\nGURU MEDITATION !!!\n");
- lamexp_fatal_exit(L"Unhandeled exception error, application will exit!");
+ MUTILS_PRINT_ERROR("\nGURU MEDITATION !!!\n\nUnknown exception error!\n");
+ MUtils::OS::fatal_exit(L"Unhandeled C++ exception error, application will exit!");
}
while(m_semaphore.available()) m_semaphore.tryAcquire();
void CPUObserverThread::observe(void)
{
- QLibrary kernel32("kernel32.dll"), ntdll("ntdll.dll");
-
- ULONG performanceInfoSize = 0;
- BYTE *performanceInfoBuffer = NULL;
- NtQuerySystemInformationPtr querySysInfo = NULL;
- GetSystemTimesPtr getSystemTimes = NULL;
-
- if(kernel32.load())
- {
- getSystemTimes = reinterpret_cast<GetSystemTimesPtr>(kernel32.resolve("GetSystemTimes"));
- }
+ bool first = true;
+ double previous = -1.0;
+ FILETIME sysTime, usrTime, idlTime;
+ ULONGLONG sys[2], usr[2], idl[2];
- if(!getSystemTimes)
+ for(size_t i = 0; i < 2; i++)
{
- qWarning("GetSystemTimes() not found, falling back to NtQueryInformationProcess().");
- if(ntdll.load())
- {
- querySysInfo = reinterpret_cast<NtQuerySystemInformationPtr>(ntdll.resolve("NtQuerySystemInformation"));
- if(querySysInfo)
- {
- querySysInfo(SystemProcInfo, &performanceInfoBuffer, 0, &performanceInfoSize);
- if(performanceInfoSize < sizeof(SYSTEM_PROC_INFO)) performanceInfoSize = sizeof(SYSTEM_PROC_INFO);
- performanceInfoBuffer = new BYTE[performanceInfoSize];
- }
- }
+ sys[i] = 0; usr[i] = 0; idl[i] = 0;
}
- if(getSystemTimes || (querySysInfo && performanceInfoBuffer))
+ forever
{
- bool first = true;
- double previous = -1.0;
- FILETIME sysTime, usrTime, idlTime;
- ULONGLONG sys[2], usr[2], idl[2];
-
- for(size_t i = 0; i < 2; i++)
+ if(GetSystemTimes(&idlTime, &sysTime, &usrTime))
{
- sys[i] = 0; usr[i] = 0; idl[i] = 0;
- }
+ sys[1] = sys[0]; sys[0] = filetime2ulonglong(&sysTime);
+ usr[1] = usr[0]; usr[0] = filetime2ulonglong(&usrTime);
+ idl[1] = idl[0]; idl[0] = filetime2ulonglong(&idlTime);
- forever
- {
- bool ok = false;
-
- if(getSystemTimes)
+ if(first)
{
- if(ok = getSystemTimes(&idlTime, &sysTime, &usrTime))
- {
- sys[1] = sys[0]; sys[0] = filetime2ulonglong(&sysTime);
- usr[1] = usr[0]; usr[0] = filetime2ulonglong(&usrTime);
- idl[1] = idl[0]; idl[0] = filetime2ulonglong(&idlTime);
- }
- }
- else
- {
- if(ok = IS_OK(querySysInfo(SystemProcInfo, performanceInfoBuffer, performanceInfoSize, NULL)))
- {
- sys[1] = sys[0]; sys[0] = reinterpret_cast<SYSTEM_PROC_INFO*>(performanceInfoBuffer)[0].KrnlTime.QuadPart;
- usr[1] = usr[0]; usr[0] = reinterpret_cast<SYSTEM_PROC_INFO*>(performanceInfoBuffer)[0].UserTime.QuadPart;
- idl[1] = idl[0]; idl[0] = reinterpret_cast<SYSTEM_PROC_INFO*>(performanceInfoBuffer)[0].IdleTime.QuadPart;
- }
+ first = false;
+ emit currentUsageChanged(1.0);
+ msleep(250);
+ continue;
}
- if(ok)
- {
- if(first)
- {
- first = false;
- emit currentUsageChanged(1.0);
- msleep(250);
- continue;
- }
-
- ULONGLONG timeIdl = (idl[0] - idl[1]); //Idle time only
- ULONGLONG timeSys = (sys[0] - sys[1]); //Kernel mode time (incl. Idle time!)
- ULONGLONG timeUsr = (usr[0] - usr[1]); //User mode time only
+ ULONGLONG timeIdl = (idl[0] - idl[1]); //Idle time only
+ ULONGLONG timeSys = (sys[0] - sys[1]); //Kernel mode time (incl. Idle time!)
+ ULONGLONG timeUsr = (usr[0] - usr[1]); //User mode time only
- ULONGLONG timeSum = timeUsr + timeSys; //Overall CPU time that has elapsed
- ULONGLONG timeWrk = timeSum - timeIdl; //Time the CPU spent working
+ ULONGLONG timeSum = timeUsr + timeSys; //Overall CPU time that has elapsed
+ ULONGLONG timeWrk = timeSum - timeIdl; //Time the CPU spent working
- if(timeSum > 0)
+ if(timeSum > 0)
+ {
+ double current = static_cast<double>(timeWrk) / static_cast<double>(timeSum);
+ if(current != previous)
{
- double current = static_cast<double>(timeWrk) / static_cast<double>(timeSum);
- if(current != previous)
- {
- emit currentUsageChanged(current);
- previous = current;
- }
+ emit currentUsageChanged(current);
+ previous = current;
}
}
- if(m_semaphore.tryAcquire(1, 2000)) break;
}
- }
- else
- {
- qWarning("NtQueryInformationProcess() not available, giving up!");
- }
- LAMEXP_DELETE_ARRAY(performanceInfoBuffer);
+ if(m_semaphore.tryAcquire(1, 2000)) break;
+ }
}
////////////////////////////////////////////////////////////
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