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/*
* SystemBackend.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_SYSTEMBACKEND_H_
#define MAD_COMMON_SYSTEMBACKEND_H_
#include <set>
#include <sigc++/signal.h>
namespace Mad {
namespace Common {
class SystemBackend {
private:
struct Compare {
bool operator() (const SystemBackend *b1, const SystemBackend *b2) {
if(b1->getPriority() == b2->getPriority())
return (b1 > b2);
else
return (b1->getPriority() > b2->getPriority());
}
};
static std::set<SystemBackend*, Compare> backends;
protected:
SystemBackend() {}
static void registerBackend(SystemBackend *backend) {
backends.insert(backend);
}
static void unregisterBackend(SystemBackend *backend) {
backends.erase(backend);
}
virtual bool uptimeInfo(const sigc::slot<void, unsigned long, unsigned long>&) {
return false;
}
virtual bool memoryInfo(const sigc::slot<void, unsigned long, unsigned long, unsigned long, unsigned long>&) {
return false;
}
virtual bool loadInfo(const sigc::slot<void, unsigned long, unsigned long, float, float, float>&) {
return false;
}
virtual bool doShutdown(const sigc::slot<void>&) {return false;}
virtual bool doReboot(const sigc::slot<void>&) {return false;}
virtual int getPriority() const {
return 0;
}
public:
virtual ~SystemBackend() {}
static bool getUptimeInfo(const sigc::slot<void, unsigned long, unsigned long> &callback);
static bool getMemoryInfo(const sigc::slot<void, unsigned long, unsigned long, unsigned long, unsigned long> &callback);
static bool getLoadInfo(const sigc::slot<void, unsigned long, unsigned long, float, float, float> &callback);
static bool shutdown(const sigc::slot<void> &callback);
static bool reboot(const sigc::slot<void> &callback);
};
}
}
#endif /* MAD_COMMON_SYSTEMBACKEND_H_ */
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