sjero.net Git - linphone/blob - coreapi/help/buddy_status.c

   1
   2 /*
   3 buddy_status
   4 Copyright (C) 2010  Belledonne Communications SARL
   5
   6 This program is free software; you can redistribute it and/or
   7 modify it under the terms of the GNU General Public License
   8 as published by the Free Software Foundation; either version 2
   9 of the License, or (at your option) any later version.
  10
  11 This program is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with this program; if not, write to the Free Software
  18 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  19 */
  20
  21 /**
  22  * @defgroup buddy_tutorials Basic buddy status notification
  23  * @ingroup tutorials
  24  *This program is a _very_ simple usage example of liblinphone,
  25  *demonstrating how to initiate  SIP subscriptions and receive notifications from a sip uri identity passed from the command line.
  26  *<br>Argument must be like sip:jehan@sip.linphone.org .
  27  *<br>
  28  *ex budy_list sip:jehan@sip.linphone.org
  29  *<br>Subscription is cleared on SIGINT
  30  *<br>
  31  *@include buddy_status.c
  32
  33  *
  34  */
  35
  36 #ifdef IN_LINPHONE
  37 #include "linphonecore.h"
  38 #else
  39 #include "linphone/linphonecore.h"
  40 #endif
  41
  42 #include <signal.h>
  43
  44 static bool_t running=TRUE;
  45
  46 static void stop(int signum){
  47         running=FALSE;
  48 }
  49
  50 /**
  51  * presence state change notification callback
  52  */
  53 static void notify_presence_recv_updated (LinphoneCore *lc,  LinphoneFriend *friend) {
  54         const LinphoneAddress* friend_address = linphone_friend_get_address(friend);
  55         printf("New state state [%s] for user id [%s] \n"
  56                                 ,linphone_online_status_to_string(linphone_friend_get_status(friend))
  57                                 ,linphone_address_as_string (friend_address));
  58 }
  59 static void new_subscription_request (LinphoneCore *lc,  LinphoneFriend *friend, const char* url) {
  60         const LinphoneAddress* friend_address = linphone_friend_get_address(friend);
  61         printf(" [%s] wants to see your status, accepting\n"
  62                                 ,linphone_address_as_string (friend_address));
  63         linphone_friend_edit(friend); /* start editing friend */
  64         linphone_friend_set_inc_subscribe_policy(friend,LinphoneSPAccept); /* Accept incoming subscription request for this friend*/
  65         linphone_friend_done(friend); /*commit change*/
  66         linphone_core_add_friend(lc,friend); /* add this new friend to the buddy list*/
  67
  68 }
  69 /**
  70  * Registration state notification callback
  71  */
  72 static void registration_state_changed(struct _LinphoneCore *lc, LinphoneProxyConfig *cfg, LinphoneRegistrationState cstate, const char *message){
  73                 printf("New registration state %s for user id [%s] at proxy [%s]\n"
  74                                 ,linphone_registration_state_to_string(cstate)
  75                                 ,linphone_proxy_config_get_identity(cfg)
  76                                 ,linphone_proxy_config_get_addr(cfg));
  77 }
  78
  79 LinphoneCore *lc;
  80 int main(int argc, char *argv[]){
  81         LinphoneCoreVTable vtable={0};
  82
  83         char* dest_friend=NULL;
  84         char* identity=NULL;
  85         char* password=NULL;
  86
  87         /* takes   sip uri  identity from the command line arguments */
  88         if (argc>1){
  89                 dest_friend=argv[1];
  90         }
  91         /* takes   sip uri  identity from the command line arguments */
  92         if (argc>2){
  93                 identity=argv[2];
  94         }
  95         /* takes   password from the command line arguments */
  96         if (argc>3){
  97                 password=argv[3];
  98         }
  99         signal(SIGINT,stop);
 100 //#define DEBUG
 101 #ifdef DEBUG
 102         linphone_core_enable_logs(NULL); /*enable liblinphone logs.*/
 103 #endif
 104         /*
 105          Fill the LinphoneCoreVTable with application callbacks.
 106          All are optional. Here we only use the both notify_presence_recv and new_subscription_request callbacks
 107          in order to get notifications about friend status.
 108          */
 109         vtable.notify_presence_recv=notify_presence_recv_updated;
 110         vtable.new_subscription_request=new_subscription_request;
 111         vtable.registration_state_changed=registration_state_changed; /*just in case sip proxy is used*/
 112
 113         /*
 114          Instantiate a LinphoneCore object given the LinphoneCoreVTable
 115         */
 116         lc=linphone_core_new(&vtable,NULL,NULL,NULL);
 117         /*sip proxy might be requested*/
 118         if (identity != NULL)  {
 119                 /*create proxy config*/
 120                 LinphoneProxyConfig* proxy_cfg = linphone_proxy_config_new();
 121                 /*parse identity*/
 122                 LinphoneAddress *from = linphone_address_new(identity);
 123                 if (from==NULL){
 124                         printf("%s not a valid sip uri, must be like sip:toto@sip.linphone.org \n",identity);
 125                         goto end;
 126                 }
 127                 LinphoneAuthInfo *info;
 128                 if (password!=NULL){
 129                         info=linphone_auth_info_new(linphone_address_get_username(from),NULL,password,NULL,NULL); /*create authentication structure from identity*/
 130                         linphone_core_add_auth_info(lc,info); /*add authentication info to LinphoneCore*/
 131                 }
 132
 133                 // configure proxy entries
 134                 linphone_proxy_config_set_identity(proxy_cfg,identity); /*set identity with user name and domain*/
 135                 linphone_proxy_config_set_server_addr(proxy_cfg,linphone_address_get_domain(from)); /* we assume domain = proxy server address*/
 136                 linphone_proxy_config_enable_register(proxy_cfg,TRUE); /*activate registration for this proxy config*/
 137                 linphone_proxy_config_enable_publish(proxy_cfg,TRUE); /* enable presence satus publication for this proxy*/
 138                 linphone_address_destroy(from); /*release resource*/
 139
 140                 linphone_core_add_proxy_config(lc,proxy_cfg); /*add proxy config to linphone core*/
 141                 linphone_core_set_default_proxy(lc,proxy_cfg); /*set to default proxy*/
 142
 143
 144                 /* Loop until registration status is available */
 145                 do {
 146                         linphone_core_iterate(lc); /* first iterate initiates registration */
 147                         ms_usleep(100000);
 148                 }
 149                 while(  running && linphone_proxy_config_get_state(proxy_cfg) == LinphoneRegistrationProgress);
 150
 151         }
 152         LinphoneFriend* my_friend=NULL;
 153
 154         if (dest_friend) {
 155                 my_friend = linphone_friend_new_with_addr(dest_friend); /*creates friend object from dest*/
 156                 if (my_friend == NULL) {
 157                         printf("bad destination uri for friend [%s]\n",dest_friend);
 158                         goto end;
 159                 }
 160
 161                 linphone_friend_enable_subscribes(my_friend,TRUE); /*configure this friend to emit SUBSCRIBE message after being added to LinphoneCore*/
 162                 linphone_friend_set_inc_subscribe_policy(my_friend,LinphoneSPAccept); /* Accept incoming subscription request for this friend*/
 163                 linphone_core_add_friend(lc,my_friend); /* add my friend to the buddy list, initiate SUBSCRIBE message*/
 164
 165         }
 166
 167         linphone_core_set_presence_info(lc,0,NULL,LinphoneStatusOnline); /*set my status to online*/
 168
 169         /* main loop for receiving notifications and doing background linphone core work: */
 170         while(running){
 171                 linphone_core_iterate(lc); /* first iterate initiates subscription */
 172                 ms_usleep(50000);
 173         }
 174
 175         linphone_core_set_presence_info(lc,0,NULL,LinphoneStatusOffline); /* change my presence status to offline*/
 176         linphone_core_iterate(lc); /* just to make sure new status is initiate message is issued */
 177
 178         linphone_friend_edit(my_friend); /* start editing friend */
 179         linphone_friend_enable_subscribes(my_friend,FALSE); /*disable subscription for this friend*/
 180         linphone_friend_done(my_friend); /*commit changes triggering an UNSUBSCRIBE message*/
 181
 182         linphone_core_iterate(lc); /* just to make sure unsubscribe message is issued */
 183
 184 end:
 185         printf("Shutting down...\n");
 186         linphone_core_destroy(lc);
 187         printf("Exited\n");
 188         return 0;
 189 }
 190