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87 lines
2.0 KiB
C++
87 lines
2.0 KiB
C++
/*
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Copyright (C) 2001 Kimmo Pekkola
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "StdAfx.h"
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#include "MeasureVirtualMemory.h"
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/*
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** CMeasureVirtualMemory
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**
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** The constructor
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**
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*/
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CMeasureVirtualMemory::CMeasureVirtualMemory(CMeterWindow* meterWindow) : CMeasure(meterWindow),
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m_Total(false)
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{
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}
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/*
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** ~CMeasureVirtualMemory
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**
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** The destructor
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**
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*/
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CMeasureVirtualMemory::~CMeasureVirtualMemory()
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{
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}
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/*
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** Update
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**
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** Updates the current virtual memory value.
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**
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*/
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bool CMeasureVirtualMemory::Update()
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{
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if (!CMeasure::PreUpdate()) return false;
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MEMORYSTATUSEX stat;
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stat.dwLength = sizeof(MEMORYSTATUSEX);
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GlobalMemoryStatusEx(&stat); // Doesn't measure values > 4GB. Should use GlobalMemoryStatusEx instead, but that requires Win2k.
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if (m_Total)
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{
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m_Value = (double)(__int64)stat.ullTotalPageFile;
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}
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else
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{
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m_Value = (double)(__int64)(stat.ullTotalPageFile - stat.ullAvailPageFile);
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}
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return PostUpdate();
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}
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/*
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** ReadConfig
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**
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** Reads the measure specific configs.
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**
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*/
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void CMeasureVirtualMemory::ReadConfig(CConfigParser& parser, const WCHAR* section)
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{
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CMeasure::ReadConfig(parser, section);
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m_Total = (1 == parser.ReadInt(section, L"Total", 0));
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MEMORYSTATUSEX stat;
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stat.dwLength = sizeof(MEMORYSTATUSEX);
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GlobalMemoryStatusEx(&stat);
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m_MaxValue = (double)(__int64)stat.ullTotalPageFile;
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}
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