liblinphone
3.6.1
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This program is a _very_ simple usage example of liblinphone, demonstrating how to initiate SIP subscriptions and receive notifications from a sip uri identity passed from the command line.
Argument must be like sip:jehan@sip.linphone.org .
ex budy_list sip:jehan@sip.linphone.org
Subscription is cleared on SIGINT
/* buddy_status Copyright (C) 2010 Belledonne Communications SARL 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 2 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifdef IN_LINPHONE #include "linphonecore.h" #else #include "linphone/linphonecore.h" #endif #include <signal.h> static bool_t running=TRUE; static void stop(int signum){ running=FALSE; } static void notify_presence_recv_updated (LinphoneCore *lc, LinphoneFriend *friend) { const LinphoneAddress* friend_address = linphone_friend_get_address(friend); printf("New state state [%s] for user id [%s] \n" ,linphone_online_status_to_string(linphone_friend_get_status(friend)) ,linphone_address_as_string (friend_address)); } static void new_subscription_request (LinphoneCore *lc, LinphoneFriend *friend, const char* url) { const LinphoneAddress* friend_address = linphone_friend_get_address(friend); printf(" [%s] wants to see your status, accepting\n" ,linphone_address_as_string (friend_address)); linphone_friend_edit(friend); /* start editing friend */ linphone_friend_set_inc_subscribe_policy(friend,LinphoneSPAccept); /* Accept incoming subscription request for this friend*/ linphone_friend_done(friend); /*commit change*/ linphone_core_add_friend(lc,friend); /* add this new friend to the buddy list*/ } 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}; char* dest_friend=NULL; char* identity=NULL; char* password=NULL; /* takes sip uri identity from the command line arguments */ if (argc>1){ dest_friend=argv[1]; } /* takes sip uri identity from the command line arguments */ if (argc>2){ identity=argv[2]; } /* takes password from the command line arguments */ if (argc>3){ password=argv[3]; } signal(SIGINT,stop); //#define DEBUG #ifdef DEBUG linphone_core_enable_logs(NULL); /*enable liblinphone logs.*/ #endif /* Fill the LinphoneCoreVTable with application callbacks. All are optional. Here we only use the both notify_presence_recv and new_subscription_request callbacks in order to get notifications about friend status. */ vtable.notify_presence_recv=notify_presence_recv_updated; vtable.new_subscription_request=new_subscription_request; vtable.registration_state_changed=registration_state_changed; /*just in case sip proxy is used*/ /* Instantiate a LinphoneCore object given the LinphoneCoreVTable */ lc=linphone_core_new(&vtable,NULL,NULL,NULL); /*sip proxy might be requested*/ if (identity != NULL) { /*create proxy config*/ LinphoneProxyConfig* proxy_cfg = linphone_proxy_config_new(); /*parse identity*/ LinphoneAddress *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; } LinphoneAuthInfo *info; if (password!=NULL){ info=linphone_auth_info_new(linphone_address_get_username(from),NULL,password,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(proxy_cfg,identity); /*set identity with user name and domain*/ linphone_proxy_config_set_server_addr(proxy_cfg,linphone_address_get_domain(from)); /* we assume domain = proxy server address*/ linphone_proxy_config_enable_register(proxy_cfg,TRUE); /*activate registration for this proxy config*/ linphone_proxy_config_enable_publish(proxy_cfg,TRUE); /* enable presence satus publication for this proxy*/ linphone_address_destroy(from); /*release resource*/ linphone_core_add_proxy_config(lc,proxy_cfg); /*add proxy config to linphone core*/ linphone_core_set_default_proxy(lc,proxy_cfg); /*set to default proxy*/ /* Loop until registration status is available */ do { linphone_core_iterate(lc); /* first iterate initiates registration */ ms_usleep(100000); } while( running && linphone_proxy_config_get_state(proxy_cfg) == LinphoneRegistrationProgress); } LinphoneFriend* my_friend=NULL; if (dest_friend) { my_friend = linphone_friend_new_with_addr(dest_friend); /*creates friend object from dest*/ if (my_friend == NULL) { printf("bad destination uri for friend [%s]\n",dest_friend); goto end; } linphone_friend_enable_subscribes(my_friend,TRUE); /*configure this friend to emit SUBSCRIBE message after being added to LinphoneCore*/ linphone_friend_set_inc_subscribe_policy(my_friend,LinphoneSPAccept); /* Accept incoming subscription request for this friend*/ linphone_core_add_friend(lc,my_friend); /* add my friend to the buddy list, initiate SUBSCRIBE message*/ } linphone_core_set_presence_info(lc,0,NULL,LinphoneStatusOnline); /*set my status to online*/ /* main loop for receiving notifications and doing background linphone core work: */ while(running){ linphone_core_iterate(lc); /* first iterate initiates subscription */ ms_usleep(50000); } linphone_core_set_presence_info(lc,0,NULL,LinphoneStatusOffline); /* change my presence status to offline*/ linphone_core_iterate(lc); /* just to make sure new status is initiate message is issued */ linphone_friend_edit(my_friend); /* start editing friend */ linphone_friend_enable_subscribes(my_friend,FALSE); /*disable subscription for this friend*/ linphone_friend_done(my_friend); /*commit changes triggering an UNSUBSCRIBE message*/ linphone_core_iterate(lc); /* just to make sure unsubscribe message is issued */ end: printf("Shutting down...\n"); linphone_core_destroy(lc); printf("Exited\n"); return 0; }