/*
Copyright (C) 2011 Srivats P.

This file is part of "Ostinato"

This 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 _SERVER_LINUX_PORT_H
#define _SERVER_LINUX_PORT_H

#include <QtGlobal>

#ifdef Q_OS_LINUX

#include "pcapport.h"

class LinuxPort : public PcapPort
{
public:
    LinuxPort(int id, const char *device);
    ~LinuxPort();

    void init();

    virtual OstProto::LinkState linkState();
    virtual bool hasExclusiveControl();
    virtual bool setExclusiveControl(bool exclusive);

    static void fetchHostNetworkInfo();
    static void freeHostNetworkInfo();

protected:
    class StatsMonitor: public QThread
    {
    public:
        StatsMonitor();
        ~StatsMonitor();
        void run();
        void stop();
        bool waitForSetupFinished(int msecs = 10000);
    private:
        int netlinkStats();
        void procStats();
        int setPromisc(const char* portName);

        static const int kRefreshFreq_ = 1; // in seconds
        bool stop_;
        bool setupDone_;
        int ioctlSocket_;
    };

    bool isPromisc_;
    bool clearPromisc_;
    static QList<LinuxPort*> allPorts_;
    static StatsMonitor *monitor_; // rx/tx stats for ALL ports

private:
    void populateInterfaceInfo();

    static struct nl_sock *netSock_;
    static struct nl_cache *linkCache_;
    static struct nl_cache *addressCache_;
    static struct nl_cache *routeCache_;
};
#endif

#endif