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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;
bool SystemBackendProc::uptimeInfo(const sigc::slot<void, unsigned long, unsigned long> &callback) {
unsigned long uptime = 0, idleTime = 0;
uptimeFile.seekg(0, std::ios::beg);
if(!uptimeFile.good())
return false;
float f;
uptimeFile >> f;
if(!uptimeFile.good())
return false;
uptime = (unsigned long)f;
uptimeFile >> f;
if(uptimeFile.good())
idleTime = (unsigned long)f;
callback(uptime, idleTime);
return true;
}
bool SystemBackendProc::memoryInfo(const sigc::slot<void, unsigned long, unsigned long, unsigned long, unsigned long> &callback) {
unsigned long totalMem = 0, freeMem = 0, totalSwap = 0, freeSwap = 0;
meminfoFile.seekg(0, std::ios::beg);
if(!meminfoFile.good())
return false;
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)
totalMem = value;
else if(std::strcmp(name, "MemFree:") == 0)
freeMem = value;
else if(std::strcmp(name, "SwapTotal:") == 0)
totalSwap = value;
else if(std::strcmp(name, "SwapFree:") == 0)
freeSwap = value;
}
delete [] name;
if(totalMem && freeMem && totalSwap && freeSwap)
break;
}
callback(totalMem, freeMem, totalSwap, freeSwap);
return true;
}
bool SystemBackendProc::loadInfo(const sigc::slot<void, unsigned long, unsigned long, float, float, float> &callback) {
unsigned long currentLoad = 0, nProcesses = 0;
float loadAvg1 = 0, loadAvg5 = 0, loadAvg15 = 0;
loadFile.seekg(0, std::ios::beg);
if(!loadFile.good())
return false;
std::string line;
std::getline(loadFile, line);
if(line.empty())
return false;
std::sscanf(line.c_str(), "%f %f %f %lu/%lu", &loadAvg1, &loadAvg5, &loadAvg15, ¤tLoad, &nProcesses);
callback(currentLoad, nProcesses, loadAvg1, loadAvg5, loadAvg15);
return true;
}
}
}
}
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