Basic registration

This program is a very simple usage example of liblinphone. More...

This program is a very simple usage example of liblinphone.

Desmonstrating how to initiate a SIP registration from a sip uri identity passed from the command line. first argument must be like sip:jehan.nosp@m.@sip.nosp@m..linp.nosp@m.hone.nosp@m..org , second must be password .
ex registration sip:jehan.nosp@m.@sip.nosp@m..linp.nosp@m.hone.nosp@m..org secret
Registration is cleared on SIGINT

/*
 * Copyright (c) 2010-2019 Belledonne Communications SARL.
 *
 * This file is part of Liblinphone.
 *
 * 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/>.
 */

#include "linphone/core.h"

#include <signal.h>

static bool_t running=TRUE;

static void stop(int signum){
        running=FALSE;
}

static void registration_state_changed(struct _LinphoneCore *lc, LinphoneProxyConfig *cfg, LinphoneRegistrationState cstate, const char *message){
                printf("New registration state %s for user id [%s] at proxy [%s]\n"
                                ,linphone_registration_state_to_string(cstate)
                                ,linphone_proxy_config_get_identity(cfg)
                                ,linphone_proxy_config_get_addr(cfg));
}

LinphoneCore *lc;
int main(int argc, char *argv[]){
        LinphoneCoreVTable vtable={0};
        LinphoneProxyConfig* proxy_cfg;
        LinphoneAddress *from;
        LinphoneAuthInfo *info;

        char* identity=NULL;
        char* password=NULL;
        const char* server_addr;

        /* takes   sip uri  identity from the command line arguments */
        if (argc>1){
                identity=argv[1];
        }

        /* takes   password from the command line arguments */
        if (argc>2){
                password=argv[2];
        }

        signal(SIGINT,stop);

#ifdef DEBUG_LOGS
        linphone_core_enable_logs(NULL); /*enable liblinphone logs.*/
#endif
        /*
         Fill the LinphoneCoreVTable with application callbacks.
         All are optional. Here we only use the registration_state_changed callbacks
         in order to get notifications about the progress of the registration.
         */
        vtable.registration_state_changed=registration_state_changed;

        /*
         Instanciate a LinphoneCore object given the LinphoneCoreVTable
        */
        lc=linphone_core_new(&vtable,NULL,NULL,NULL);

        /*create proxy config*/
        proxy_cfg = linphone_core_create_proxy_config(lc);
        /*parse identity*/
        from = linphone_address_new(identity);
        if (from==NULL){
                printf("%s not a valid sip uri, must be like sip:toto@sip.linphone.org \n",identity);
                goto end;
        }
        if (password!=NULL){
                info=linphone_auth_info_new(linphone_address_get_username(from),NULL,password,NULL,NULL,NULL); /*create authentication structure from identity*/
                linphone_core_add_auth_info(lc,info); /*add authentication info to LinphoneCore*/
        }

        // configure proxy entries
        linphone_proxy_config_set_identity_address(proxy_cfg,from); /*set identity with user name and domain*/
        server_addr = linphone_address_get_domain(from); /*extract domain address from identity*/
        linphone_proxy_config_set_server_addr(proxy_cfg,server_addr); /* we assume domain = proxy server address*/
        linphone_proxy_config_enable_register(proxy_cfg,TRUE); /*activate registration for this proxy config*/
        linphone_address_unref(from); /*release resource*/

        linphone_core_add_proxy_config(lc,proxy_cfg); /*add proxy config to linphone core*/
        linphone_core_set_default_proxy_config(lc,proxy_cfg); /*set to default proxy*/


        /* main loop for receiving notifications and doing background linphonecore work: */
        while(running){
                linphone_core_iterate(lc); /* first iterate initiates registration */
                ms_usleep(50000);
        }

        proxy_cfg = linphone_core_get_default_proxy_config(lc); /* get default proxy config*/
        linphone_proxy_config_edit(proxy_cfg); /*start editing proxy configuration*/
        linphone_proxy_config_enable_register(proxy_cfg,FALSE); /*de-activate registration for this proxy config*/
        linphone_proxy_config_done(proxy_cfg); /*initiate REGISTER with expire = 0*/

        while(linphone_proxy_config_get_state(proxy_cfg) !=  LinphoneRegistrationCleared){
                linphone_core_iterate(lc); /*to make sure we receive call backs before shutting down*/
                ms_usleep(50000);
        }

end:
        printf("Shutting down...\n");
        linphone_core_destroy(lc);
        printf("Exited\n");
        return 0;
}