/*
 * 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_COMMON_BACKENDS_SYSTEMBACKENDPROC_H_
#define MAD_COMMON_BACKENDS_SYSTEMBACKENDPROC_H_

#include "../SystemBackend.h"

#include <fstream>

namespace Mad {
namespace Common {
namespace Backends {

class SystemBackendProc : public SystemBackend {
  private:
    static SystemBackendProc backend;

    std::ifstream uptimeFile;
    std::ifstream meminfoFile;
    std::ifstream loadFile;

    SystemBackendProc() : uptimeFile("/proc/uptime"), meminfoFile("/proc/meminfo"), loadFile("/proc/loadavg") {}

  public:
    static void registerBackend() {
      SystemBackend::registerBackend(&backend);
    }

    static void unregisterBackend() {
      SystemBackend::unregisterBackend(&backend);
    }

    virtual UptimeInfo uptimeInfo();
    virtual MemoryInfo memoryInfo();
    virtual LoadInfo loadInfo();
};

}
}
}

#endif /* MAD_COMMON_BACKENDS_SYSTEMBACKENDPROC_H_ */