pres_sub_client.h

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/*
 *  Copyright (C) 2012, 2013 LOTES TM LLC
 *  Author : Andrey Loukhnov <aol.nnov@gmail.com>
 *  Author : Patrick Keroulas <patrick.keroulas@savoirfairelinux.com>
 *  This file is a part of pult5-voip
 *
 *  pult5-voip 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.
 *
 *  pult5-voip 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 programm. If not, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef PRES_SUB_CLIENT_H
#define PRES_SUB_CLIENT_H
 
#include <pjsip-simple/presence.h>
#include <pj/timer.h>
#include <pj/pool.h>
#include <string>
 
#include <pjsip-simple/evsub.h>
#include <pjsip-simple/evsub_msg.h>
#include <pjsip/sip_endpoint.h>
#include <pjsip/sip_transport.h>
#include "noncopyable.h"
 
namespace jami {
 
class SIPPresence;
 
class PresSubClient
{
public:
    PresSubClient(const std::string& uri, SIPPresence* pres);
    ~PresSubClient();
    bool match(PresSubClient* b);
    void enable(bool flag);
    SIPPresence* getPresence();
    bool lock();
    void unlock();
    bool subscribe();
    bool unsubscribe();
    bool isSubscribed();
    std::string_view getURI();
 
    bool isPresent();
 
    std::string_view getLineStatus();
 
    void incLock() { lock_count_++; }
    void decLock() { lock_count_--; }
 
private:
    NON_COPYABLE(PresSubClient);
 
    static void pres_client_evsub_on_state(pjsip_evsub* sub, pjsip_event* event);
    static void pres_client_evsub_on_tsx_state(pjsip_evsub* sub,
                                               pjsip_transaction* tsx,
                                               pjsip_event* event);
    static void pres_client_evsub_on_rx_notify(pjsip_evsub* sub,
                                               pjsip_rx_data* rdata,
                                               int* p_st_code,
                                               pj_str_t** p_st_text,
                                               pjsip_hdr* res_hdr,
                                               pjsip_msg_body** p_body);
    static void pres_client_timer_cb(pj_timer_heap_t* th, pj_timer_entry* entry);
 
    void rescheduleTimer(bool reschedule, unsigned msec);
    void reportPresence();
    pj_status_t updateSubscription();
    /*
     * Compare the reason of a transaction end with the given string.
     */
    bool isTermReason(const std::string&);
    unsigned getTermCode();
 
    SIPPresence* pres_;   
    pj_str_t uri_;        
    pj_str_t contact_;    
    pj_str_t display_;    
    pjsip_dialog* dlg_;   
    pj_bool_t monitored_; 
    pj_str_t name_;       
    pj_caching_pool cp_;
    pj_pool_t* pool_;          
    pjsip_pres_status status_; 
    pjsip_evsub* sub_;         
    unsigned term_code_;       
    pj_str_t term_reason_;     
    pj_timer_entry timer_;     
    void* user_data_;          
    int lock_count_;
    int lock_flag_;
    static int modId_; // used to extract data structure from event_subscription
};
 
} // namespace jami
 
#endif /*  PRES_SUB_CLIENT_H */