/*
 *  Copyright (C) 2004-2013 Savoir-Faire Linux Inc.
 *
 *  Author: Patrick Keroulas  <patrick.keroulas@savoirfairelinux.com>
 *
 *  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, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA.
 *
 *  Additional permission under GNU GPL version 3 section 7:
 *
 *  If you modify this program, or any covered work, by linking or
 *  combining it with the OpenSSL project's OpenSSL library (or a
 *  modified version of that library), containing parts covered by the
 *  terms of the OpenSSL or SSLeay licenses, Savoir-Faire Linux Inc.
 *  grants you additional permission to convey the resulting work.
 *  Corresponding Source for a non-source form of such a combination
 *  shall include the source code for the parts of OpenSSL used as well
 *  as that of the covered work.
 */


#ifndef SERVERPRESENCESUB_H
#define    SERVERPRESENCESUB_H

#include <pj/string.h>
#include <pjsip/sip_types.h>
#include <pjsip-simple/evsub.h>
#include <pjsip-simple/presence.h>
#include <pjsip/sip_module.h>

#include "src/noncopyable.h"
#include "src/array_size.h"

extern pj_bool_t pres_on_rx_subscribe_request(pjsip_rx_data *rdata);

class SIPpresence;

class PresSubServer {

    public:
        PresSubServer(SIPPresence * pres, pjsip_evsub *evsub, const char *remote, pjsip_dialog *d);
        ~PresSubServer();
        /*
         * Acces to the evsub expire variable.
         * It was recieved in the SUBSCRIBE request.
         */
        void setExpires(int ms);
        int getExpires() const;
        /*
         * Match method
         * s is the URI (remote)
         */
        bool matches(const char *s) const;
        /*
         * Allow the subscriber for being notified.
         */
        void approve(bool flag);
        /*
         * Notify subscriber with the pres_status_date of the account
         */
        void notify();

        static pjsip_module mod_presence_server;

    private:
        static pj_bool_t pres_on_rx_subscribe_request(pjsip_rx_data *rdata);
        static void pres_evsub_on_srv_state(pjsip_evsub *sub, pjsip_event *event);


        NON_COPYABLE(PresSubServer);
        /* TODO: add '< >' to URI for consistency */
        const char *remote_;    /**< Remote URI.                */
        SIPPresence     *pres_;
        pjsip_evsub     *sub_;
        pjsip_dialog    *dlg_;
        int             expires_;
        bool            approved_;
};


#endif    /* SERVERPRESENCESUB_H */