/*
 * FdManager.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_NET_FDMANAGER_H_
#define MAD_NET_FDMANAGER_H_

#include <map>
#include <poll.h>
#include <sigc++/signal.h>

#include <boost/thread/shared_mutex.hpp>

namespace Mad {
namespace Net {

class ThreadManager;

class FdManager {
  private:
    friend class ThreadManager;

    static FdManager fdManager;

    boost::shared_mutex runLock, handlerLock, eventLock;
    bool running;

    std::map<int, struct pollfd> pollfds;
    std::map<int, sigc::slot<void, short> > handlers;

    int interruptPipe[2];

    void readInterrupt();
    void interrupt();

    FdManager();

    void ioThread();
    void stopIOThread() {
      runLock.lock();
      running = false;
      runLock.unlock();

      interrupt();
    }

  public:
    virtual ~FdManager();

    static FdManager *get() {return &fdManager;}

    bool registerFd(int fd, const sigc::slot<void, short> &handler, short events = 0);
    bool unregisterFd(int fd);

    bool setFdEvents(int fd, short events);
    short getFdEvents(int fd);
};

}
}

#endif /* MAD_NET_FDMANAGER_H_ */