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/*
* SystemBackendProc.cpp
*
* Copyright (C) 2008 Matthias Schiffer <matthias@gamezock.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 the
* Free Software Foundation, either version 3 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, see <http://www.gnu.org/licenses/>.
*/
#include "SystemBackendProc.h"
#include <cstdio>
#include <cstring>
namespace Mad {
namespace Common {
namespace Backends {
SystemBackendProc SystemBackendProc::backend;
SystemBackend::UptimeInfo SystemBackendProc::uptimeInfo() {
UptimeInfo uptime = {0, 0};
uptimeFile.seekg(0, std::ios::beg);
if(!uptimeFile.good())
return uptime;
float f;
uptimeFile >> f;
if(!uptimeFile.good())
return uptime;
uptime.uptime = (unsigned long)f;
uptimeFile >> f;
if(!uptimeFile.good())
return uptime;
uptime.idleTime = (unsigned long)f;
return uptime;
}
SystemBackend::MemoryInfo SystemBackendProc::memoryInfo() {
MemoryInfo memInfo = {0, 0, 0, 0};
meminfoFile.seekg(0, std::ios::beg);
if(!meminfoFile.good())
return memInfo;
while(!meminfoFile.eof() && meminfoFile.good()) {
std::string line;
std::getline(meminfoFile, line);
char *name = new char[line.length()+1]; // is always long enough
unsigned long value;
if(std::sscanf(line.c_str(), "%s %lu", name, &value) == 2) {
if(std::strcmp(name, "MemTotal:") == 0)
memInfo.totalMem = value;
else if(std::strcmp(name, "MemFree:") == 0)
memInfo.freeMem = value;
else if(std::strcmp(name, "SwapTotal:") == 0)
memInfo.totalSwap = value;
else if(std::strcmp(name, "SwapFree:") == 0)
memInfo.freeSwap = value;
}
delete [] name;
if(memInfo.totalMem && memInfo.freeMem && memInfo.totalSwap && memInfo.freeSwap)
break;
}
return memInfo;
}
SystemBackend::LoadInfo SystemBackendProc::loadInfo() {
LoadInfo loadInfo = {0, 0, 0, 0, 0};
loadFile.seekg(0, std::ios::beg);
if(!loadFile.good())
return loadInfo;
std::string line;
std::getline(loadFile, line);
if(line.empty())
return loadInfo;
std::sscanf(line.c_str(), "%f %f %f %lu/%lu", &loadInfo.loadAvg1, &loadInfo.loadAvg5, &loadInfo.loadAvg15, &loadInfo.currentLoad, &loadInfo.nProcesses);
return loadInfo;
}
}
}
}
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