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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 <fstream>
#include <pcrecpp.h>
#include <iostream>
namespace Mad {
namespace Common {
namespace Backends {
SystemBackend::UptimeInfo SystemBackendProc::getUptimeInfo() const {
UptimeInfo uptime = {0, 0};
std::ifstream file("/proc/uptime");
if(!file.good())
return uptime;
float f;
file >> f;
if(!file.good())
return uptime;
uptime.uptime = (unsigned long)f;
file >> f;
if(!file.good())
return uptime;
uptime.idleTime = (unsigned long)f;
return uptime;
}
SystemBackend::MemoryInfo SystemBackendProc::getMemoryInfo() const {
MemoryInfo memInfo = {0, 0, 0, 0};
std::ifstream file("/proc/meminfo");
if(!file.good())
return memInfo;
pcrecpp::RE re("(.+):\\s*(\\d+).*");
while(!file.eof() && file.good()) {
std::string line;
std::getline(file, line);
std::string name;
unsigned long value;
if(!re.FullMatch(line, &name, &value))
continue;
if(name == "MemTotal")
memInfo.totalMem = value;
else if(name == "MemFree")
memInfo.freeMem = value;
else if(name == "SwapTotal")
memInfo.totalSwap = value;
else if(name == "SwapFree")
memInfo.freeSwap = value;
if(memInfo.totalMem && memInfo.freeMem && memInfo.totalSwap && memInfo.freeSwap)
break;
}
return memInfo;
}
}
}
}
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