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/*
* SystemBackendProc.h
*
* 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/>.
*/
#ifndef MAD_MODULES_SYSTEMBACKENDPROC_H_
#define MAD_MODULES_SYSTEMBACKENDPROC_H_
#include <Common/SystemBackend.h>
#include <fstream>
#include <boost/noncopyable.hpp>
namespace Mad {
namespace Modules {
class SystemBackendProc : public Common::SystemBackend, boost::noncopyable {
private:
static boost::shared_ptr<SystemBackendProc> backend;
std::ifstream uptimeFile;
std::ifstream meminfoFile;
std::ifstream loadFile;
SystemBackendProc() : uptimeFile("/proc/uptime"), meminfoFile("/proc/meminfo"), loadFile("/proc/loadavg") {}
protected:
virtual void getUptimeInfo(unsigned long *uptime, unsigned long *idleTime) throw(Core::Exception);
virtual void getMemoryInfo(unsigned long *totalMem, unsigned long *freeMem, unsigned long *totalSwap, unsigned long *freeSwap) throw(Core::Exception);
virtual void getLoadInfo(unsigned long *currentLoad, unsigned long *nProcesses, float *loadAvg1, float *loadAvg5, float *loadAvg15) throw(Core::Exception);
public:
static void registerBackend() {
if(backend)
return;
backend.reset(new SystemBackendProc());
Common::SystemManager::get()->registerBackend(backend);
}
static void unregisterBackend() {
if(!backend)
return;
Common::SystemManager::get()->unregisterBackend(backend);
backend.reset();
}
};
}
}
#endif /* MAD_MODULES_SYSTEMBACKENDPROC_H_ */
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