sjero.net Git - linphone/blob - coreapi/friend.c

   1 /***************************************************************************
   2  *            friend.c
   3  *
   4  *  Sat May 15 15:25:16 2004
   5  *  Copyright  2004-2009  Simon Morlat
   6  *  Email
   7  ****************************************************************************/
   8
   9 /*
  10  *  This program is free software; you can redistribute it and/or modify
  11  *  it under the terms of the GNU General Public License as published by
  12  *  the Free Software Foundation; either version 2 of the License, or
  13  *  (at your option) any later version.
  14  *
  15  *  This program is distributed in the hope that it will be useful,
  16  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  *  GNU Library General Public License for more details.
  19  *
  20  *  You should have received a copy of the GNU General Public License
  21  *  along with this program; if not, write to the Free Software
  22  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  23  */
  24
  25 #include "linphonecore.h"
  26 #include "private.h"
  27 #include "lpconfig.h"
  28
  29 const char *linphone_online_status_to_string(LinphoneOnlineStatus ss){
  30         const char *str=NULL;
  31         switch(ss){
  32                 case LinphoneStatusOnline:
  33                 str=_("Online");
  34                 break;
  35                 case LinphoneStatusBusy:
  36                 str=_("Busy");
  37                 break;
  38                 case LinphoneStatusBeRightBack:
  39                 str=_("Be right back");
  40                 break;
  41                 case LinphoneStatusAway:
  42                 str=_("Away");
  43                 break;
  44                 case LinphoneStatusOnThePhone:
  45                 str=_("On the phone");
  46                 break;
  47                 case LinphoneStatusOutToLunch:
  48                 str=_("Out to lunch");
  49                 break;
  50                 case LinphoneStatusDoNotDisturb:
  51                 str=_("Do not disturb");
  52                 break;
  53                 case LinphoneStatusMoved:
  54                 str=_("Moved");
  55                 break;
  56                 case LinphoneStatusAltService:
  57                 str=_("Using another messaging service");
  58                 break;
  59                 case LinphoneStatusOffline:
  60                 str=_("Offline");
  61                 break;
  62                 case LinphoneStatusPending:
  63                 str=_("Pending");
  64                 break;
  65                 default:
  66                 str=_("Unknown-bug");
  67         }
  68         return str;
  69 }
  70
  71 static int friend_data_compare(const void * a, const void * b, void * data){
  72         LinphoneAddress *fa=((LinphoneFriend*)a)->uri;
  73         LinphoneAddress *fb=((LinphoneFriend*)b)->uri;
  74         const char *ua,*ub;
  75         ua=linphone_address_get_username(fa);
  76         ub=linphone_address_get_username(fb);
  77         if (ua!=NULL && ub!=NULL) {
  78                 //printf("Comparing usernames %s,%s\n",ua,ub);
  79                 return strcasecmp(ua,ub);
  80         }
  81         else {
  82                 /* compare hosts*/
  83                 ua=linphone_address_get_domain(fa);
  84                 ub=linphone_address_get_domain(fb);
  85                 if (ua!=NULL && ub!=NULL){
  86                         int ret=strcasecmp(ua,ub);
  87                         //printf("Comparing hostnames %s,%s,res=%i\n",ua,ub,ret);
  88                         return ret;
  89                 }
  90                 else return -1;
  91         }
  92 }
  93
  94 static int friend_compare(const void * a, const void * b){
  95         return friend_data_compare(a,b,NULL);
  96 }
  97
  98
  99 MSList *linphone_find_friend(MSList *fl, const LinphoneAddress *friend, LinphoneFriend **lf){
 100         MSList *res=NULL;
 101         LinphoneFriend dummy;
 102         if (lf!=NULL) *lf=NULL;
 103         dummy.uri=(LinphoneAddress*)friend;
 104         res=ms_list_find_custom(fl,friend_compare,&dummy);
 105         if (lf!=NULL && res!=NULL) *lf=(LinphoneFriend*)res->data;
 106         return res;
 107 }
 108
 109 LinphoneFriend *linphone_find_friend_by_inc_subscribe(MSList *l, SalOp *op){
 110         MSList *elem;
 111         for (elem=l;elem!=NULL;elem=elem->next){
 112                 LinphoneFriend *lf=(LinphoneFriend*)elem->data;
 113                 if (lf->insub==op) return lf;
 114         }
 115         return NULL;
 116 }
 117
 118 LinphoneFriend *linphone_find_friend_by_out_subscribe(MSList *l, SalOp *op){
 119         MSList *elem;
 120         for (elem=l;elem!=NULL;elem=elem->next){
 121                 LinphoneFriend *lf=(LinphoneFriend*)elem->data;
 122                 if (lf->outsub==op) return lf;
 123         }
 124         return NULL;
 125 }
 126
 127 void __linphone_friend_do_subscribe(LinphoneFriend *fr){
 128         char *friend=NULL;
 129         const char *route=NULL;
 130         const char *from=NULL;
 131         const char *fixed_contact=NULL;
 132         LinphoneProxyConfig *cfg;
 133
 134         friend=linphone_address_as_string(fr->uri);
 135         cfg=linphone_core_lookup_known_proxy(fr->lc,linphone_friend_get_address(fr));
 136         if (cfg!=NULL){
 137                 route=linphone_proxy_config_get_route(cfg);
 138                 from=linphone_proxy_config_get_identity(cfg);
 139                 if (cfg->op){
 140                         fixed_contact=sal_op_get_contact(cfg->op);
 141                         if (fixed_contact) {
 142                                 ms_message("Contact for subscribe has been fixed using proxy to %s",fixed_contact);
 143                         }
 144                 }
 145         }else from=linphone_core_get_primary_contact(fr->lc);
 146         if (fr->outsub==NULL){
 147                 /* people for which we don't have yet an answer should appear as offline */
 148                 fr->status=LinphoneStatusOffline;
 149                 /*
 150                 if (fr->lc->vtable.notify_recv)
 151                         fr->lc->vtable.notify_recv(fr->lc,(LinphoneFriend*)fr);
 152                  */
 153         }else{
 154                 sal_op_release(fr->outsub);
 155                 fr->outsub=NULL;
 156         }
 157         fr->outsub=sal_op_new(fr->lc->sal);
 158         sal_op_set_route(fr->outsub,route);
 159         sal_op_set_contact(fr->outsub,fixed_contact);
 160         sal_subscribe_presence(fr->outsub,from,friend);
 161         fr->subscribe_active=TRUE;
 162         ms_free(friend);
 163 }
 164
 165 LinphoneFriend * linphone_friend_new(){
 166         LinphoneFriend *obj=ms_new0(LinphoneFriend,1);
 167         obj->pol=LinphoneSPAccept;
 168         obj->status=LinphoneStatusOffline;
 169         obj->subscribe=TRUE;
 170         return obj;
 171 }
 172
 173 LinphoneFriend *linphone_friend_new_with_addr(const char *addr){
 174         LinphoneFriend *fr=linphone_friend_new();
 175         if (linphone_friend_set_sip_addr(fr,addr)<0){
 176                 linphone_friend_destroy(fr);
 177                 return NULL;
 178         }
 179         return fr;
 180 }
 181
 182 bool_t linphone_friend_in_list(const LinphoneFriend *lf){
 183         return lf->lc!=NULL;
 184 }
 185
 186 void linphone_core_interpret_friend_uri(LinphoneCore *lc, const char *uri, char **result){
 187         LinphoneAddress *fr=NULL;
 188         *result=NULL;
 189         fr=linphone_address_new(uri);
 190         if (fr==NULL){
 191                 char *tmp=NULL;
 192                 if (strchr(uri,'@')!=NULL){
 193                         LinphoneAddress *u;
 194                         /*try adding sip:*/
 195                         tmp=ms_strdup_printf("sip:%s",uri);
 196                         u=linphone_address_new(tmp);
 197                         if (u!=NULL){
 198                                 *result=tmp;
 199                         }
 200                 }else if (lc->default_proxy!=NULL){
 201                         /*try adding domain part from default current proxy*/
 202                         LinphoneAddress * id=linphone_address_new(linphone_core_get_identity(lc));
 203                         if (id!=NULL){
 204                                 linphone_address_set_username(id,uri);
 205                                 *result=linphone_address_as_string(id);
 206                                 linphone_address_destroy(id);
 207                         }
 208                 }
 209                 if (*result){
 210                         /*looks good */
 211                         ms_message("%s interpreted as %s",uri,*result);
 212                 }else{
 213                         ms_warning("Fail to interpret friend uri %s",uri);
 214                 }
 215         }else *result=linphone_address_as_string(fr);
 216         linphone_address_destroy(fr);
 217 }
 218
 219 int linphone_friend_set_sip_addr(LinphoneFriend *lf, const char *addr){
 220         LinphoneAddress *fr=linphone_address_new(addr);
 221         if (fr==NULL) {
 222                 ms_warning("Invalid friend sip uri: %s",addr);
 223                 return -1;
 224         }
 225         linphone_address_clean(fr);
 226         if (lf->uri!=NULL) linphone_address_destroy(lf->uri);
 227         lf->uri=fr;
 228         return 0;
 229 }
 230
 231 int linphone_friend_set_name(LinphoneFriend *lf, const char *name){
 232         LinphoneAddress *fr=lf->uri;
 233         if (fr==NULL){
 234                 ms_error("linphone_friend_set_sip_addr() must be called before linphone_friend_set_name().");
 235                 return -1;
 236         }
 237         linphone_address_set_display_name(fr,name);
 238         return 0;
 239 }
 240
 241 int linphone_friend_enable_subscribes(LinphoneFriend *fr, bool_t val){
 242         fr->subscribe=val;
 243         return 0;
 244 }
 245
 246 int linphone_friend_set_inc_subscribe_policy(LinphoneFriend *fr, LinphoneSubscribePolicy pol)
 247 {
 248         fr->pol=pol;
 249         return 0;
 250 }
 251
 252 SalPresenceStatus linphone_online_status_to_sal(LinphoneOnlineStatus os){
 253         switch(os){
 254                 case LinphoneStatusOffline:
 255                         return SalPresenceOffline;
 256                 break;
 257                 case LinphoneStatusOnline:
 258                         return SalPresenceOnline;
 259                 break;
 260                 case LinphoneStatusBusy:
 261                         return SalPresenceBusy;
 262                 break;
 263                 case LinphoneStatusBeRightBack:
 264                         return SalPresenceBerightback;
 265                 break;
 266                 case LinphoneStatusAway:
 267                         return SalPresenceAway;
 268                 break;
 269                 case LinphoneStatusOnThePhone:
 270                         return SalPresenceOnthephone;
 271                 break;
 272                 case LinphoneStatusOutToLunch:
 273                         return SalPresenceOuttolunch;
 274                 break;
 275                 case LinphoneStatusDoNotDisturb:
 276                         return SalPresenceDonotdisturb;
 277                 break;
 278                 case LinphoneStatusMoved:
 279                         return SalPresenceMoved;
 280                 break;
 281                 case LinphoneStatusAltService:
 282                         return SalPresenceAltService;
 283                 break;
 284                 case LinphoneStatusPending:
 285                         return SalPresenceOffline;
 286                 break;
 287                 default:
 288                         return SalPresenceOffline;
 289                 break;
 290         }
 291         return SalPresenceOffline;
 292 }
 293
 294 void linphone_friend_notify(LinphoneFriend *lf, LinphoneOnlineStatus os){
 295         //printf("Wish to notify %p, lf->nid=%i\n",lf,lf->nid);
 296         if (lf->insub!=NULL){
 297                 sal_notify_presence(lf->insub,linphone_online_status_to_sal(os),NULL);
 298         }
 299 }
 300
 301 static void linphone_friend_unsubscribe(LinphoneFriend *lf){
 302         if (lf->outsub!=NULL) {
 303                 sal_unsubscribe(lf->outsub);
 304                 sal_op_release(lf->outsub);
 305                 lf->outsub=NULL;
 306                 lf->subscribe_active=FALSE;
 307         }
 308 }
 309
 310 void linphone_friend_close_subscriptions(LinphoneFriend *lf){
 311         linphone_friend_unsubscribe(lf);
 312         if (lf->insub){
 313                 sal_notify_close(lf->insub);
 314                 sal_op_release(lf->insub);
 315                 lf->insub=NULL;
 316         }
 317 }
 318
 319 void linphone_friend_destroy(LinphoneFriend *lf){
 320
 321         if (lf->uri!=NULL) linphone_address_destroy(lf->uri);
 322         if (lf->info!=NULL) buddy_info_free(lf->info);
 323         ms_free(lf);
 324 }
 325
 326 const LinphoneAddress *linphone_friend_get_address(const LinphoneFriend *lf){
 327         return lf->uri;
 328 }
 329
 330 bool_t linphone_friend_get_send_subscribe(const LinphoneFriend *lf){
 331         return lf->subscribe;
 332 }
 333
 334 LinphoneSubscribePolicy linphone_friend_get_inc_subscribe_policy(const LinphoneFriend *lf){
 335         return lf->pol;
 336 }
 337
 338 LinphoneOnlineStatus linphone_friend_get_status(const LinphoneFriend *lf){
 339         return lf->status;
 340 }
 341
 342 BuddyInfo * linphone_friend_get_info(const LinphoneFriend *lf){
 343         return lf->info;
 344 }
 345
 346 void linphone_friend_apply(LinphoneFriend *fr, LinphoneCore *lc){
 347         if (fr->uri==NULL) {
 348                 ms_warning("No sip url defined.");
 349                 return;
 350         }
 351         fr->lc=lc;
 352
 353         linphone_core_write_friends_config(lc);
 354
 355         if (fr->inc_subscribe_pending){
 356                 switch(fr->pol){
 357                         case LinphoneSPWait:
 358                                 linphone_friend_notify(fr,LinphoneStatusPending);
 359                                 break;
 360                         case LinphoneSPAccept:
 361                                 if (fr->lc!=NULL)
 362                                   {
 363                                         linphone_friend_notify(fr,fr->lc->presence_mode);
 364                                   }
 365                                 break;
 366                         case LinphoneSPDeny:
 367                                 linphone_friend_notify(fr,LinphoneStatusOffline);
 368                                 break;
 369                 }
 370                 fr->inc_subscribe_pending=FALSE;
 371         }
 372         if (fr->subscribe && fr->subscribe_active==FALSE){
 373                 ms_message("Sending a new SUBSCRIBE");
 374                 __linphone_friend_do_subscribe(fr);
 375         }
 376         ms_message("linphone_friend_apply() done.");
 377         lc->bl_refresh=TRUE;
 378         fr->commit=FALSE;
 379 }
 380
 381 void linphone_friend_edit(LinphoneFriend *fr){
 382 }
 383
 384 void linphone_friend_done(LinphoneFriend *fr){
 385         ms_return_if_fail(fr!=NULL);
 386         if (fr->lc==NULL) return;
 387         linphone_friend_apply(fr,fr->lc);
 388 }
 389
 390 void linphone_core_add_friend(LinphoneCore *lc, LinphoneFriend *lf)
 391 {
 392         ms_return_if_fail(lf->lc==NULL);
 393         ms_return_if_fail(lf->uri!=NULL);
 394         if (ms_list_find(lc->friends,lf)!=NULL){
 395                 char *tmp=NULL;
 396                 const LinphoneAddress *addr=linphone_friend_get_address(lf);
 397                 if (addr) tmp=linphone_address_as_string(addr);
 398                 ms_warning("Friend %s already in list, ignored.", tmp ? tmp : "unknown");
 399                 if (tmp) ms_free(tmp);
 400                 return ;
 401         }
 402         lc->friends=ms_list_append(lc->friends,lf);
 403         if ( linphone_core_ready(lc)) linphone_friend_apply(lf,lc);
 404         else lf->commit=TRUE;
 405         return ;
 406 }
 407
 408 void linphone_core_remove_friend(LinphoneCore *lc, LinphoneFriend* fl){
 409         MSList *el=ms_list_find(lc->friends,(void *)fl);
 410         if (el!=NULL){
 411                 lc->friends=ms_list_remove_link(lc->friends,el);
 412                 linphone_friend_destroy((LinphoneFriend*)el->data);
 413                 linphone_core_write_friends_config(lc);
 414         }
 415 }
 416
 417 void linphone_core_send_initial_subscribes(LinphoneCore *lc){
 418         const MSList *elem;
 419         for(elem=lc->friends;elem!=NULL;elem=elem->next){
 420                 LinphoneFriend *f=(LinphoneFriend*)elem->data;
 421                 if (f->commit)
 422                         linphone_friend_apply(f,lc);
 423         }
 424 }
 425
 426 void linphone_friend_set_ref_key(LinphoneFriend *lf, const char *key){
 427         if (lf->refkey!=NULL){
 428                 ms_free(lf->refkey);
 429                 lf->refkey=NULL;
 430         }
 431         if (key)
 432                 lf->refkey=ms_strdup(key);
 433         if (lf->lc)
 434                 linphone_core_write_friends_config(lf->lc);
 435 }
 436
 437 const char *linphone_friend_get_ref_key(const LinphoneFriend *lf){
 438         return lf->refkey;
 439 }
 440
 441 static bool_t username_match(const char *u1, const char *u2){
 442         if (u1==NULL && u2==NULL) return TRUE;
 443         if (u1 && u2 && strcasecmp(u1,u2)==0) return TRUE;
 444         return FALSE;
 445 }
 446
 447 LinphoneFriend *linphone_core_get_friend_by_address(const LinphoneCore *lc, const char *uri){
 448         LinphoneAddress *puri=linphone_address_new(uri);
 449         const MSList *elem;
 450         const char *username=linphone_address_get_username(puri);
 451         const char *domain=linphone_address_get_domain(puri);
 452         LinphoneFriend *lf=NULL;
 453
 454         if (puri==NULL){
 455                 return NULL;
 456         }
 457         for(elem=lc->friends;elem!=NULL;elem=ms_list_next(elem)){
 458                 lf=(LinphoneFriend*)elem->data;
 459                 const char *it_username=linphone_address_get_username(lf->uri);
 460                 const char *it_host=linphone_address_get_domain(lf->uri);;
 461                 if (strcasecmp(domain,it_host)==0 && username_match(username,it_username)){
 462                         break;
 463                 }
 464                 lf=NULL;
 465         }
 466         linphone_address_destroy(puri);
 467         return lf;
 468 }
 469
 470 LinphoneFriend *linphone_core_get_friend_by_ref_key(const LinphoneCore *lc, const char *key){
 471         const MSList *elem;
 472         if (key==NULL) return NULL;
 473         for(elem=linphone_core_get_friend_list(lc);elem!=NULL;elem=elem->next){
 474                 LinphoneFriend *lf=(LinphoneFriend*)elem->data;
 475                 if (lf->refkey!=NULL && strcmp(lf->refkey,key)==0){
 476                         return lf;
 477                 }
 478         }
 479         return NULL;
 480 }
 481
 482 #define key_compare(s1,s2)      strcmp(s1,s2)
 483
 484 LinphoneSubscribePolicy __policy_str_to_enum(const char* pol){
 485         if (key_compare("accept",pol)==0){
 486                 return LinphoneSPAccept;
 487         }
 488         if (key_compare("deny",pol)==0){
 489                 return LinphoneSPDeny;
 490         }
 491         if (key_compare("wait",pol)==0){
 492                 return LinphoneSPWait;
 493         }
 494         ms_warning("Unrecognized subscribe policy: %s",pol);
 495         return LinphoneSPWait;
 496 }
 497
 498 LinphoneProxyConfig *__index_to_proxy(LinphoneCore *lc, int index){
 499         if (index>=0) return (LinphoneProxyConfig*)ms_list_nth_data(lc->sip_conf.proxies,index);
 500         else return NULL;
 501 }
 502
 503 LinphoneFriend * linphone_friend_new_from_config_file(LinphoneCore *lc, int index){
 504         const char *tmp;
 505         char item[50];
 506         int a;
 507         LinphoneFriend *lf;
 508         LpConfig *config=lc->config;
 509
 510         sprintf(item,"friend_%i",index);
 511
 512         if (!lp_config_has_section(config,item)){
 513                 return NULL;
 514         }
 515
 516         tmp=lp_config_get_string(config,item,"url",NULL);
 517         if (tmp==NULL) {
 518                 return NULL;
 519         }
 520         lf=linphone_friend_new_with_addr(tmp);
 521         if (lf==NULL) {
 522                 return NULL;
 523         }
 524         tmp=lp_config_get_string(config,item,"pol",NULL);
 525         if (tmp==NULL) linphone_friend_set_inc_subscribe_policy(lf,LinphoneSPWait);
 526         else{
 527                 linphone_friend_set_inc_subscribe_policy(lf,__policy_str_to_enum(tmp));
 528         }
 529         a=lp_config_get_int(config,item,"subscribe",0);
 530         linphone_friend_send_subscribe(lf,a);
 531
 532         linphone_friend_set_ref_key(lf,lp_config_get_string(config,item,"refkey",NULL));
 533         return lf;
 534 }
 535
 536 const char *__policy_enum_to_str(LinphoneSubscribePolicy pol){
 537         switch(pol){
 538                 case LinphoneSPAccept:
 539                         return "accept";
 540                         break;
 541                 case LinphoneSPDeny:
 542                         return "deny";
 543                         break;
 544                 case LinphoneSPWait:
 545                         return "wait";
 546                         break;
 547         }
 548         ms_warning("Invalid policy enum value.");
 549         return "wait";
 550 }
 551
 552 void linphone_friend_write_to_config_file(LpConfig *config, LinphoneFriend *lf, int index){
 553         char key[50];
 554         char *tmp;
 555         const char *refkey;
 556
 557         sprintf(key,"friend_%i",index);
 558
 559         if (lf==NULL){
 560                 lp_config_clean_section(config,key);
 561                 return;
 562         }
 563         if (lf->uri!=NULL){
 564                 tmp=linphone_address_as_string(lf->uri);
 565                 if (tmp==NULL) {
 566                         return;
 567                 }
 568                 lp_config_set_string(config,key,"url",tmp);
 569                 ms_free(tmp);
 570         }
 571         lp_config_set_string(config,key,"pol",__policy_enum_to_str(lf->pol));
 572         lp_config_set_int(config,key,"subscribe",lf->subscribe);
 573
 574         refkey=linphone_friend_get_ref_key(lf);
 575         if (refkey){
 576                 lp_config_set_string(config,key,"refkey",refkey);
 577         }
 578 }
 579
 580 void linphone_core_write_friends_config(LinphoneCore* lc)
 581 {
 582         MSList *elem;
 583         int i;
 584         if (! linphone_core_ready(lc)) return; /*dont write config when reading it !*/
 585         for (elem=lc->friends,i=0; elem!=NULL; elem=ms_list_next(elem),i++){
 586                 linphone_friend_write_to_config_file(lc->config,(LinphoneFriend*)elem->data,i);
 587         }
 588         linphone_friend_write_to_config_file(lc->config,NULL,i);        /* set the end */
 589 }
 590