sjero.net Git - linphone/blob - coreapi/sal_eXosip2_presence.c

   1 /*
   2 linphone
   3 Copyright (C) 2010  Simon MORLAT (simon.morlat@free.fr)
   4
   5 This program is free software; you can redistribute it and/or
   6 modify it under the terms of the GNU General Public License
   7 as published by the Free Software Foundation; either version 2
   8 of the License, or (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18 */
  19
  20
  21 #include "sal_eXosip2.h"
  22
  23 typedef enum {
  24         PIDF = 0,
  25         RFCxxxx = 1,
  26         MSOLDPRES = 2
  27 } presence_type_t;
  28
  29 /*
  30  * REVISIT: this static variable forces every dialog to use the same presence description type depending
  31  * on what is received on a single dialog...
  32  */
  33 static presence_type_t presence_style = PIDF;
  34
  35 SalOp * sal_find_out_subscribe(Sal *sal, int sid){
  36         const MSList *elem;
  37         SalOp *op;
  38         for(elem=sal->out_subscribes;elem!=NULL;elem=elem->next){
  39                 op=(SalOp*)elem->data;
  40                 if (op->sid==sid) return op;
  41         }
  42         ms_message("No op for sid %i",sid);
  43         return NULL;
  44 }
  45
  46 static void sal_add_out_subscribe(Sal *sal, SalOp *op){
  47         sal->out_subscribes=ms_list_append(sal->out_subscribes,op);
  48 }
  49
  50 void sal_remove_out_subscribe(Sal *sal, SalOp *op){
  51         sal->out_subscribes=ms_list_remove(sal->out_subscribes,op);
  52 }
  53
  54 SalOp * sal_find_in_subscribe(Sal *sal, int nid){
  55         const MSList *elem;
  56         SalOp *op;
  57         for(elem=sal->in_subscribes;elem!=NULL;elem=elem->next){
  58                 op=(SalOp*)elem->data;
  59                 if (op->nid==nid) return op;
  60         }
  61         return NULL;
  62 }
  63
  64 static SalOp * sal_find_in_subscribe_by_call_id(Sal *sal, osip_call_id_t *call_id){
  65         const MSList *elem;
  66         SalOp *op;
  67         for(elem=sal->in_subscribes;elem!=NULL;elem=elem->next){
  68                 op=(SalOp*)elem->data;
  69                 if (op->call_id && osip_call_id_match(op->call_id,call_id)==0)
  70                         return op;
  71         }
  72         return NULL;
  73 }
  74
  75 static void sal_add_in_subscribe(Sal *sal, SalOp *op, osip_message_t *subs){
  76         osip_call_id_clone(subs->call_id,&op->call_id);
  77         sal->in_subscribes=ms_list_append(sal->in_subscribes,op);
  78 }
  79
  80 void sal_remove_in_subscribe(Sal *sal, SalOp *op){
  81         sal->in_subscribes=ms_list_remove(sal->in_subscribes,op);
  82 }
  83
  84 #ifdef WIN32
  85
  86 static inline char *my_ctime_r(const time_t *t, char *buf){
  87         strcpy(buf,ctime(t));
  88         return buf;
  89 }
  90
  91 #else
  92 #define my_ctime_r ctime_r
  93 #endif
  94
  95 int sal_message_send(SalOp *op, const char *from, const char *to, const char* content_type, const char *msg){
  96         osip_message_t *sip=NULL;
  97         time_t t=time(NULL);
  98         char buf[26];
  99
 100         if(op->cid == -1)
 101         {
 102                 /* we are not currently in communication with the destination */
 103                 if (from)
 104                         sal_op_set_from(op,from);
 105                 if (to)
 106                         sal_op_set_to(op,to);
 107
 108                 sal_exosip_fix_route(op);
 109                 eXosip_lock();
 110                 eXosip_message_build_request(&sip,"MESSAGE",sal_op_get_to(op),
 111                         sal_op_get_from(op),sal_op_get_route(op));
 112                 if (sip!=NULL){
 113                         sal_exosip_add_custom_headers(sip,op->base.custom_headers);
 114                         osip_message_set_date(sip,my_ctime_r(&t,buf));
 115                         osip_message_set_content_type(sip,content_type);
 116                         if (msg) osip_message_set_body(sip,msg,strlen(msg));
 117                         sal_add_other(op->base.root,op,sip);
 118                         eXosip_message_send_request(sip);
 119                 }else{
 120                         ms_error("Could not build MESSAGE request !");
 121                 }
 122                 eXosip_unlock();
 123         }
 124         else
 125         {
 126                 /* we are currently in communication with the destination */
 127                 eXosip_lock();
 128                 //First we generate an INFO message to get the current call_id and a good cseq
 129                 eXosip_call_build_request(op->did,"MESSAGE",&sip);
 130                 if(sip == NULL)
 131                 {
 132                         ms_warning("could not get a build info to send MESSAGE, maybe no previous call established ?");
 133                         eXosip_unlock();
 134                         return -1;
 135                 }
 136                 osip_message_set_content_type(sip,content_type);
 137                 if (msg) osip_message_set_body(sip,msg,strlen(msg));
 138                 eXosip_call_send_request(op->did,sip);
 139                 eXosip_unlock();
 140         }
 141         return 0;
 142 }
 143 int sal_text_send(SalOp *op, const char *from, const char *to, const char *msg) {
 144         return sal_message_send(op,from,to,"text/plain",msg);
 145 }
 146 /*presence Subscribe/notify*/
 147 int sal_subscribe_presence(SalOp *op, const char *from, const char *to){
 148         osip_message_t *msg=NULL;
 149         if (from)
 150                 sal_op_set_from(op,from);
 151         if (to)
 152                 sal_op_set_to(op,to);
 153         sal_exosip_fix_route(op);
 154         eXosip_lock();
 155         eXosip_subscribe_build_initial_request(&msg,sal_op_get_to(op),sal_op_get_from(op),
 156                 sal_op_get_route(op),"presence",600);
 157         if (msg==NULL){
 158                 ms_error("Could not build subscribe request to %s",to);
 159                 eXosip_unlock();
 160                 return -1;
 161         }
 162         if (op->base.contact){
 163                 _osip_list_set_empty(&msg->contacts,(void (*)(void*))osip_contact_free);
 164                 osip_message_set_contact(msg,op->base.contact);
 165         }
 166         op->sid=eXosip_subscribe_send_initial_request(msg);
 167         eXosip_unlock();
 168         if (op->sid==-1){
 169                 osip_message_free(msg);
 170                 return -1;
 171         }
 172         sal_add_out_subscribe(op->base.root,op);
 173         return 0;
 174 }
 175
 176 int sal_unsubscribe(SalOp *op){
 177         osip_message_t *msg=NULL;
 178         if (op->did==-1){
 179                 ms_error("cannot unsubscribe, no dialog !");
 180                 return -1;
 181         }
 182         eXosip_lock();
 183         eXosip_subscribe_build_refresh_request(op->did,&msg);
 184         if (msg){
 185                 osip_message_set_expires(msg,"0");
 186                 eXosip_subscribe_send_refresh_request(op->did,msg);
 187         }else ms_error("Could not build subscribe refresh request ! op->sid=%i, op->did=%i",
 188                 op->sid,op->did);
 189         eXosip_unlock();
 190         return 0;
 191 }
 192
 193 int sal_subscribe_accept(SalOp *op){
 194         osip_message_t *msg=NULL;
 195         eXosip_lock();
 196         eXosip_insubscription_build_answer(op->tid,202,&msg);
 197         if (msg==NULL){
 198                 ms_error("Fail to build answer to subscribe.");
 199                 eXosip_unlock();
 200                 return -1;
 201         }
 202         if (op->base.contact){
 203                 _osip_list_set_empty(&msg->contacts,(void (*)(void*))osip_contact_free);
 204                 osip_message_set_contact(msg,op->base.contact);
 205         }
 206         eXosip_insubscription_send_answer(op->tid,202,msg);
 207         eXosip_unlock();
 208         return 0;
 209 }
 210
 211 int sal_subscribe_decline(SalOp *op){
 212         eXosip_lock();
 213         eXosip_insubscription_send_answer(op->tid,401,NULL);
 214         eXosip_unlock();
 215         return 0;
 216 }
 217
 218 static void mk_presence_body (const SalPresenceStatus online_status, const char *contact_info,
 219                 char *buf, size_t buflen, presence_type_t ptype) {
 220   switch (ptype) {
 221     case RFCxxxx: {
 222           /* definition from http://msdn.microsoft.com/en-us/library/cc246202%28PROT.10%29.aspx */
 223           int atom_id = 1000;
 224
 225           if (online_status==SalPresenceOnline)
 226           {
 227                   snprintf(buf, buflen, "<?xml version=\"1.0\"?>\n"
 228 "<!DOCTYPE presence PUBLIC \"-//IETF//DTD RFCxxxx XPIDF 1.0//EN\" \"xpidf.dtd\">\n"
 229 "<presence>\n"
 230 "<presentity uri=\"%s;method=SUBSCRIBE\" />\n"
 231 "<atom id=\"%i\">\n"
 232 "<address uri=\"%s\" priority=\"0.800000\">\n"
 233 "<status status=\"open\" />\n"
 234 "<msnsubstatus substatus=\"online\" />\n"
 235 "</address>\n"
 236 "</atom>\n"
 237 "</presence>", contact_info, atom_id, contact_info);
 238
 239           }
 240           else if (online_status == SalPresenceBusy ||
 241                           online_status == SalPresenceDonotdisturb)
 242           {
 243                   snprintf(buf, buflen, "<?xml version=\"1.0\"?>\n"
 244 "<!DOCTYPE presence PUBLIC \"-//IETF//DTD RFCxxxx XPIDF 1.0//EN\" \"xpidf.dtd\">\n"
 245 "<presence>\n"
 246 "<presentity uri=\"%s;method=SUBSCRIBE\" />\n"
 247 "<atom id=\"%i\">\n"
 248 "<address uri=\"%s\" priority=\"0.800000\">\n"
 249 "<status status=\"inuse\" />\n"
 250 "<msnsubstatus substatus=\"busy\" />\n"
 251 "</address>\n"
 252 "</atom>\n</presence>", contact_info, atom_id, contact_info);
 253
 254           }
 255           else if (online_status==SalPresenceBerightback)
 256           {
 257                   snprintf(buf, buflen, "<?xml version=\"1.0\"?>\n"
 258 "<!DOCTYPE presence PUBLIC \"-//IETF//DTD RFCxxxx XPIDF 1.0//EN\" \"xpidf.dtd\">\n"
 259 "<presence>\n"
 260 "<presentity uri=\"%s;method=SUBSCRIBE\" />\n"
 261 "<atom id=\"%i\">\n"
 262 "<address uri=\"%s\" priority=\"0.800000\">\n"
 263 "<status status=\"open\" />\n"
 264 "<msnsubstatus substatus=\"berightback\" />\n"
 265 "</address>\n"
 266 "</atom>\n"
 267 "</presence>", contact_info, atom_id, contact_info);
 268
 269           }
 270           else if (online_status == SalPresenceAway ||
 271                           online_status == SalPresenceMoved)
 272           {
 273                   snprintf(buf, buflen, "<?xml version=\"1.0\"?>\n"
 274 "<!DOCTYPE presence PUBLIC \"-//IETF//DTD RFCxxxx XPIDF 1.0//EN\" \"xpidf.dtd\">\n"
 275 "<presence>\n"
 276 "<presentity uri=\"%s;method=SUBSCRIBE\" />\n"
 277 "<atom id=\"%i\">\n"
 278 "<address uri=\"%s\" priority=\"0.800000\">\n"
 279 "<status status=\"open\" />\n"
 280 "<msnsubstatus substatus=\"away\" />\n"
 281 "</address>\n"
 282 "</atom>\n"
 283 "</presence>", contact_info, atom_id, contact_info);
 284
 285           }
 286           else if (online_status==SalPresenceOnthephone)
 287           {
 288                   snprintf(buf, buflen, "<?xml version=\"1.0\"?>\n"
 289 "<!DOCTYPE presence PUBLIC \"-//IETF//DTD RFCxxxx XPIDF 1.0//EN\" \"xpidf.dtd\">\n"
 290 "<presence>\n"
 291 "<presentity uri=\"%s;method=SUBSCRIBE\" />\n"
 292 "<atom id=\"%i\">\n"
 293 "<address uri=\"%s\" priority=\"0.800000\">\n"
 294 "<status status=\"inuse\" />\n"
 295 "<msnsubstatus substatus=\"onthephone\" />\n"
 296 "</address>\n"
 297 "</atom>\n"
 298 "</presence>", contact_info, atom_id, contact_info);
 299
 300           }
 301           else if (online_status==SalPresenceOuttolunch)
 302           {
 303                   snprintf(buf, buflen, "<?xml version=\"1.0\"?>\n"
 304 "<!DOCTYPE presence PUBLIC \"-//IETF//DTD RFCxxxx XPIDF 1.0//EN\" \"xpidf.dtd\">\n"
 305 "<presence>\n"
 306 "<presentity uri=\"%s;method=SUBSCRIBE\" />\n"
 307 "<atom id=\"%i\">\n"
 308 "<address uri=\"%s\" priority=\"0.800000\">\n"
 309 "<status status=\"open\" />\n"
 310 "<msnsubstatus substatus=\"outtolunch\" />\n"
 311 "</address>\n"
 312 "</atom>\n"
 313 "</presence>", contact_info, atom_id, contact_info);
 314
 315           }
 316           else
 317           {
 318                   snprintf(buf, buflen, "<?xml version=\"1.0\"?>\n"
 319 "<!DOCTYPE presence PUBLIC \"-//IETF//DTD RFCxxxx XPIDF 1.0//EN\" \"xpidf.dtd\">\n"
 320 "<presence>\n"
 321 "<presentity uri=\"%s;method=SUBSCRIBE\" />\n"
 322 "<atom id=\"%i\">\n"
 323 "<address uri=\"%s\" priority=\"0.800000\">\n"
 324 "<status status=\"closed\" />\n"
 325 "<msnsubstatus substatus=\"away\" />\n"
 326 "</address>\n"
 327 "</atom>\n"
 328 "</presence>", contact_info, atom_id, contact_info);
 329           }
 330           break;
 331     }
 332     case MSOLDPRES: {
 333         /* Couldn't find schema http://schemas.microsoft.com/2002/09/sip/presence
 334         *  so messages format has been taken from Communigate that can send notify
 335         *  requests with this schema
 336         */
 337           int atom_id = 1000;
 338
 339           if (online_status==SalPresenceOnline)
 340           {
 341                   snprintf(buf, buflen, "<?xml version=\"1.0\"?>\n"
 342 "<!DOCTYPE presence SYSTEM \"http://schemas.microsoft.com/2002/09/sip/presence\">\n"
 343 "<presence>\n"
 344 "<presentity uri=\"%s;method=SUBSCRIBE\" />\n"
 345 "<atom id=\"%i\">\n"
 346 "<address uri=\"%s\">\n"
 347 "<status status=\"open\" />\n"
 348 "<msnsubstatus substatus=\"online\" />\n"
 349 "</address>\n"
 350 "</atom>\n"
 351 "</presence>", contact_info, atom_id, contact_info);
 352
 353           }
 354           else if (online_status == SalPresenceBusy ||
 355                           online_status == SalPresenceDonotdisturb)
 356           {
 357                   snprintf(buf, buflen, "<?xml version=\"1.0\"?>\n"
 358 "<!DOCTYPE presence SYSTEM \"http://schemas.microsoft.com/2002/09/sip/presence\">\n"
 359 "<presence>\n"
 360 "<presentity uri=\"%s;method=SUBSCRIBE\" />\n"
 361 "<atom id=\"%i\">\n"
 362 "<address uri=\"%s\">\n"
 363 "<status status=\"inuse\" />\n"
 364 "<msnsubstatus substatus=\"busy\" />\n"
 365 "</address>\n"
 366 "</atom>\n</presence>", contact_info, atom_id, contact_info);
 367
 368           }
 369           else if (online_status==SalPresenceBerightback)
 370           {
 371                   snprintf(buf, buflen, "<?xml version=\"1.0\"?>\n"
 372 "<!DOCTYPE presence SYSTEM \"http://schemas.microsoft.com/2002/09/sip/presence\">\n"
 373 "<presence>\n"
 374 "<presentity uri=\"%s;method=SUBSCRIBE\" />\n"
 375 "<atom id=\"%i\">\n"
 376 "<address uri=\"%s\">\n"
 377 "<status status=\"inactive\" />\n"
 378 "<msnsubstatus substatus=\"berightback\" />\n"
 379 "</address>\n"
 380 "</atom>\n"
 381 "</presence>", contact_info, atom_id, contact_info);
 382
 383           }
 384           else if (online_status == SalPresenceAway ||
 385                           online_status == SalPresenceMoved)
 386           {
 387                   snprintf(buf, buflen, "<?xml version=\"1.0\"?>\n"
 388 "<!DOCTYPE presence SYSTEM \"http://schemas.microsoft.com/2002/09/sip/presence\">\n"
 389 "<presence>\n"
 390 "<presentity uri=\"%s;method=SUBSCRIBE\" />\n"
 391 "<atom id=\"%i\">\n"
 392 "<address uri=\"%s\">\n"
 393 "<status status=\"inactive\" />\n"
 394 "<msnsubstatus substatus=\"idle\" />\n"
 395 "</address>\n"
 396 "</atom>\n"
 397 "</presence>", contact_info, atom_id, contact_info);
 398
 399           }
 400           else if (online_status==SalPresenceOnthephone)
 401           {
 402                   snprintf(buf, buflen, "<?xml version=\"1.0\"?>\n"
 403 "<!DOCTYPE presence SYSTEM \"http://schemas.microsoft.com/2002/09/sip/presence\">\n"
 404 "<presence>\n"
 405 "<presentity uri=\"%s;method=SUBSCRIBE\" />\n"
 406 "<atom id=\"%i\">\n"
 407 "<address uri=\"%s\">\n"
 408 "<status status=\"inuse\" />\n"
 409 "<msnsubstatus substatus=\"onthephone\" />\n"
 410 "</address>\n"
 411 "</atom>\n"
 412 "</presence>", contact_info, atom_id, contact_info);
 413
 414           }
 415           else if (online_status==SalPresenceOuttolunch)
 416           {
 417                   snprintf(buf, buflen, "<?xml version=\"1.0\"?>\n"
 418 "<!DOCTYPE presence SYSTEM \"http://schemas.microsoft.com/2002/09/sip/presence\">\n"
 419 "<presence>\n"
 420 "<presentity uri=\"%s;method=SUBSCRIBE\" />\n"
 421 "<atom id=\"%i\">\n"
 422 "<address uri=\"%s\">\n"
 423 "<status status=\"inactive\" />\n"
 424 "<msnsubstatus substatus=\"outtolunch\" />\n"
 425 "</address>\n"
 426 "</atom>\n"
 427 "</presence>", contact_info, atom_id, contact_info);
 428
 429           }
 430           else
 431           {
 432                   snprintf(buf, buflen, "<?xml version=\"1.0\"?>\n"
 433 "<!DOCTYPE presence SYSTEM \"http://schemas.microsoft.com/2002/09/sip/presence\">\n"
 434 "<presence>\n"
 435 "<presentity uri=\"%s;method=SUBSCRIBE\" />\n"
 436 "<atom id=\"%i\">\n"
 437 "<address uri=\"%s\">\n"
 438 "<status status=\"closed\" />\n"
 439 "<msnsubstatus substatus=\"offline\" />\n"
 440 "</address>\n"
 441 "</atom>\n"
 442 "</presence>", contact_info, atom_id, contact_info);
 443           }
 444         break;
 445         }
 446     default: { /* use pidf+xml as default format, rfc4479, rfc4480, rfc3863 */
 447
 448         if (online_status==SalPresenceOnline)
 449         {
 450                 snprintf(buf, buflen, "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
 451 "<presence xmlns=\"urn:ietf:params:xml:ns:pidf\" "
 452 "xmlns:dm=\"urn:ietf:params:xml:ns:pidf:data-model\" "
 453 "xmlns:rpid=\"urn:ietf:params:xml:ns:pidf:rpid\" "
 454 "entity=\"%s\">\n"
 455 "<tuple id=\"sg89ae\">\n"
 456 "<status><basic>open</basic></status>\n"
 457 "<contact priority=\"0.8\">%s</contact>\n"
 458 "</tuple>\n"
 459 "</presence>",
 460 contact_info, contact_info);
 461         }
 462         else if (online_status == SalPresenceBusy ||
 463                         online_status == SalPresenceDonotdisturb)
 464         {
 465                 snprintf(buf, buflen, "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
 466 "<presence xmlns=\"urn:ietf:params:xml:ns:pidf\" "
 467 "xmlns:dm=\"urn:ietf:params:xml:ns:pidf:data-model\" "
 468 "xmlns:rpid=\"urn:ietf:params:xml:ns:pidf:rpid\" "
 469 "entity=\"%s\">\n"
 470 "<tuple id=\"sg89ae\">\n"
 471 "<status><basic>open</basic></status>\n"
 472 "<contact priority=\"0.8\">%s</contact>\n"
 473 "</tuple>\n"
 474 "<dm:person id=\"sg89aep\">\n"
 475 "<rpid:activities><rpid:busy/></rpid:activities>\n"
 476 "</dm:person>\n"
 477 "</presence>",
 478 contact_info, contact_info);
 479         }
 480         else if (online_status==SalPresenceBerightback)
 481         {
 482                 snprintf(buf, buflen, "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
 483 "<presence xmlns=\"urn:ietf:params:xml:ns:pidf\" "
 484 "xmlns:dm=\"urn:ietf:params:xml:ns:pidf:data-model\" "
 485 "xmlns:rpid=\"urn:ietf:params:xml:ns:pidf:rpid\" "
 486 "entity=\"%s\">\n"
 487 "<tuple id=\"sg89ae\">\n"
 488 "<status><basic>open</basic></status>\n"
 489 "<contact priority=\"0.8\">%s</contact>\n"
 490 "</tuple>\n"
 491 "<dm:person id=\"sg89aep\">\n"
 492 "<rpid:activities><rpid:in-transit/></rpid:activities>\n"
 493 "</dm:person>\n"
 494 "</presence>",
 495 contact_info, contact_info);
 496         }
 497         else if (online_status == SalPresenceAway ||
 498                         online_status == SalPresenceMoved)
 499         {
 500                 snprintf(buf, buflen, "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
 501 "<presence xmlns=\"urn:ietf:params:xml:ns:pidf\" "
 502 "xmlns:dm=\"urn:ietf:params:xml:ns:pidf:data-model\" "
 503 "xmlns:rpid=\"urn:ietf:params:xml:ns:pidf:rpid\" "
 504 "entity=\"%s\">\n"
 505 "<tuple id=\"sg89ae\">\n"
 506 "<status><basic>open</basic></status>\n"
 507 "<contact priority=\"0.8\">%s</contact>\n"
 508 "</tuple>\n"
 509 "<dm:person id=\"sg89aep\">\n"
 510 "<rpid:activities><rpid:away/></rpid:activities>\n"
 511 "</dm:person>\n"
 512 "</presence>",
 513 contact_info, contact_info);
 514         }
 515         else if (online_status==SalPresenceOnthephone)
 516         {
 517                 snprintf(buf, buflen, "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
 518 "<presence xmlns=\"urn:ietf:params:xml:ns:pidf\" "
 519 "xmlns:dm=\"urn:ietf:params:xml:ns:pidf:data-model\" "
 520 "xmlns:rpid=\"urn:ietf:params:xml:ns:pidf:rpid\" "
 521 "entity=\"%s\">\n"
 522 "<tuple id=\"sg89ae\">\n"
 523 "<status><basic>open</basic></status>\n"
 524 "<contact priority=\"0.8\">%s</contact>\n"
 525 "</tuple>\n"
 526 "<dm:person id=\"sg89aep\">\n"
 527 "<rpid:activities><rpid:on-the-phone/></rpid:activities>\n"
 528 "</dm:person>\n"
 529 "</presence>",
 530 contact_info, contact_info);
 531         }
 532         else if (online_status==SalPresenceOuttolunch)
 533         {
 534                 snprintf(buf, buflen, "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
 535 "<presence xmlns=\"urn:ietf:params:xml:ns:pidf\" "
 536 "xmlns:dm=\"urn:ietf:params:xml:ns:pidf:data-model\" "
 537 "xmlns:rpid=\"urn:ietf:params:xml:ns:pidf:rpid\" "
 538 "entity=\"%s\">\n"
 539 "<tuple id=\"7777\">\n"
 540 "<status><basic>open</basic></status>\n"
 541 "<contact priority=\"0.8\">%s</contact>\n"
 542 "</tuple>\n"
 543 "<dm:person id=\"78787878\">\n"
 544 "<rpid:activities><rpid:meal/></rpid:activities>\n"
 545 "<rpid:note>Out to lunch</rpid:note> \n"
 546 "</dm:person>\n"
 547 "</presence>",
 548 contact_info, contact_info);
 549         }
 550         else
 551         {
 552                 snprintf(buf, buflen, "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
 553 "<presence xmlns=\"urn:ietf:params:xml:ns:pidf\" "
 554 "xmlns:dm=\"urn:ietf:params:xml:ns:pidf:data-model\" "
 555 "xmlns:rpid=\"urn:ietf:params:xml:ns:pidf:rpid\" "
 556 "entity=\"%s\">\n"
 557 "<tuple id=\"sg89ae\">\n"
 558 "<status><basic>closed</basic></status>\n"
 559 "<contact priority=\"0.8\">%s</contact>\n"
 560 "</tuple>\n"
 561 "</presence>\n", contact_info, contact_info);
 562         }
 563         break;
 564     }
 565  } // switch
 566
 567 }
 568
 569 static void add_presence_body(osip_message_t *notify, SalPresenceStatus online_status)
 570 {
 571         char buf[1000];
 572         char *contact_info;
 573
 574         osip_from_t *from=NULL;
 575         from=osip_message_get_from(notify);
 576         osip_uri_to_str(from->url,&contact_info);
 577
 578         mk_presence_body (online_status, contact_info, buf, sizeof (buf), presence_style);
 579
 580         osip_message_set_body(notify, buf, strlen(buf));
 581         osip_message_set_content_type(notify,
 582                 presence_style ? "application/xpidf+xml" : "application/pidf+xml");
 583
 584         osip_free(contact_info);
 585 }
 586
 587
 588 int sal_notify_presence(SalOp *op, SalPresenceStatus status, const char *status_message){
 589         osip_message_t *msg=NULL;
 590         eXosip_ss_t ss=EXOSIP_SUBCRSTATE_ACTIVE;
 591         if (op->nid==-1){
 592                 ms_warning("Cannot notify, subscription was closed.");
 593                 return -1;
 594         }
 595
 596         eXosip_lock();
 597         eXosip_insubscription_build_notify(op->did,ss,DEACTIVATED,&msg);
 598         if (msg!=NULL){
 599                 const char *identity=sal_op_get_contact(op);
 600                 if (identity==NULL) identity=sal_op_get_to(op);
 601                 _osip_list_set_empty(&msg->contacts,(void (*)(void*))osip_contact_free);
 602                 osip_message_set_contact(msg,identity);
 603                 add_presence_body(msg,status);
 604                 eXosip_insubscription_send_request(op->did,msg);
 605         }else ms_error("could not create notify for incoming subscription.");
 606         eXosip_unlock();
 607         return 0;
 608 }
 609
 610 int sal_notify_close(SalOp *op){
 611         osip_message_t *msg=NULL;
 612         eXosip_lock();
 613         eXosip_insubscription_build_notify(op->did,EXOSIP_SUBCRSTATE_TERMINATED,DEACTIVATED,&msg);
 614         if (msg!=NULL){
 615                 const char *identity=sal_op_get_contact(op);
 616                 if (identity==NULL) identity=sal_op_get_to(op);
 617                 osip_message_set_contact(msg,identity);
 618                 add_presence_body(msg,SalPresenceOffline);
 619                 eXosip_insubscription_send_request(op->did,msg);
 620         }else ms_error("sal_notify_close(): could not create notify for incoming subscription"
 621             " did=%i, nid=%i",op->did,op->nid);
 622         eXosip_unlock();
 623         return 0;
 624 }
 625
 626 int sal_publish(SalOp *op, const char *from, const char *to, SalPresenceStatus presence_mode){
 627         osip_message_t *pub;
 628         int i;
 629         char buf[1024];
 630
 631         mk_presence_body (presence_mode, from, buf, sizeof (buf), presence_style);
 632
 633         i = eXosip_build_publish(&pub,from, to, NULL, "presence", "300",
 634                 presence_style ? "application/xpidf+xml" : "application/pidf+xml", buf);
 635         if (i<0){
 636                 ms_warning("Failed to build publish request.");
 637                 return -1;
 638         }
 639
 640         eXosip_lock();
 641         i = eXosip_publish(pub, to); /* should update the sip-if-match parameter
 642                                     from sip-etag  from last 200ok of PUBLISH */
 643         eXosip_unlock();
 644         if (i<0){
 645           ms_message("Failed to send publish request.");
 646           return -1;
 647         }
 648         sal_add_other(sal_op_get_sal(op),op,pub);
 649         return 0;
 650 }
 651
 652 static void _sal_exosip_subscription_recv(Sal *sal, eXosip_event_t *ev){
 653         SalOp *op=sal_op_new(sal);
 654         char *tmp;
 655         op->did=ev->did;
 656         op->tid=ev->tid;
 657         op->nid=ev->nid;
 658         osip_from_to_str(ev->request->from,&tmp);
 659         sal_op_set_from(op,tmp);
 660         ms_free(tmp);
 661         osip_from_to_str(ev->request->to,&tmp);
 662         sal_op_set_to(op,tmp);
 663         ms_free(tmp);
 664         sal_add_in_subscribe(sal,op,ev->request);
 665         sal->callbacks.subscribe_received(op,sal_op_get_from(op));
 666 }
 667
 668 void sal_exosip_subscription_recv(Sal *sal, eXosip_event_t *ev){
 669         /*workaround a bug in eXosip: incoming SUBSCRIBES within dialog with expires: 0 are
 670          recognized as new incoming subscribes*/
 671         SalOp *op=sal_find_in_subscribe_by_call_id(sal,ev->request->call_id);
 672         if (op){
 673                 osip_header_t *h;
 674                 osip_message_header_get_byname(ev->request,"expires",0,&h);
 675                 if (h && h->hvalue && atoi(h->hvalue)==0){
 676                         ms_warning("This susbscribe is not a new one but terminates an old one.");
 677                         ev->did=op->did;
 678                         ev->nid=op->nid;
 679                         sal_exosip_subscription_closed(sal,ev);
 680                 }else {
 681                         osip_message_t *msg=NULL;
 682                         ms_warning("Probably a refresh subscribe");
 683                         eXosip_lock();
 684                         eXosip_insubscription_build_answer(ev->tid,202,&msg);
 685                         eXosip_insubscription_send_answer(ev->tid,202,msg);
 686                         eXosip_unlock();
 687                 }
 688         }else _sal_exosip_subscription_recv(sal,ev);
 689 }
 690
 691 void sal_exosip_notify_recv(Sal *sal, eXosip_event_t *ev){
 692         SalOp *op=sal_find_out_subscribe(sal,ev->sid);
 693         char *tmp;
 694         osip_from_t *from=NULL;
 695         osip_body_t *body=NULL;
 696         SalPresenceStatus estatus=SalPresenceOffline;
 697
 698         ms_message("Receiving notify with sid=%i,nid=%i",ev->sid,ev->nid);
 699
 700         if (op==NULL){
 701                 ms_error("No operation related to this notify !");
 702                 return;
 703         }
 704         if (ev->request==NULL) return;
 705
 706         from=ev->request->from;
 707         osip_message_get_body(ev->request,0,&body);
 708         if (body==NULL){
 709                 ms_error("No body in NOTIFY");
 710                 return;
 711         }
 712         osip_from_to_str(from,&tmp);
 713         if (strstr(body->body,"pending")!=NULL){
 714                 estatus=SalPresenceOffline;
 715         }else if (strstr(body->body,"busy")!=NULL){
 716                 estatus=SalPresenceBusy;
 717         }else if (strstr(body->body,"berightback")!=NULL
 718                         || strstr(body->body,"in-transit")!=NULL ){
 719                 estatus=SalPresenceBerightback;
 720         }else if (strstr(body->body,"away")!=NULL
 721                         || strstr(body->body,"idle")){
 722                 estatus=SalPresenceAway;
 723         }else if (strstr(body->body,"onthephone")!=NULL
 724                 || strstr(body->body,"on-the-phone")!=NULL){
 725                 estatus=SalPresenceOnthephone;
 726         }else if (strstr(body->body,"outtolunch")!=NULL
 727                         || strstr(body->body,"meal")!=NULL){
 728                 estatus=SalPresenceOuttolunch;
 729         }else if (strstr(body->body,"closed")!=NULL){
 730                 estatus=SalPresenceOffline;
 731         }else if ((strstr(body->body,"online")!=NULL) || (strstr(body->body,"open")!=NULL)) {
 732                 estatus=SalPresenceOnline;
 733         }else{
 734                 estatus=SalPresenceOffline;
 735         }
 736         ms_message("We are notified that %s has online status %i",tmp,estatus);
 737         if (ev->ss_status==EXOSIP_SUBCRSTATE_TERMINATED) {
 738                 sal_remove_out_subscribe(sal,op);
 739                 op->sid=-1;
 740                 op->did=-1;
 741                 ms_message("And outgoing subscription terminated by remote.");
 742         }
 743         sal->callbacks.notify_presence(op,op->sid!=-1 ? SalSubscribeActive : SalSubscribeTerminated, estatus,NULL);
 744
 745         /* try to detect presence message style used by server,
 746          * and switch our presence messages to servers style */
 747         if (strstr (body->body, "//IETF//DTD RFCxxxx XPIDF 1.0//EN") != NULL) {
 748                 presence_style = RFCxxxx;
 749         } else if (strstr(body->body,"http://schemas.microsoft.com/2002/09/sip/presence")!=NULL) {
 750                 presence_style = MSOLDPRES;
 751         }
 752
 753         osip_free(tmp);
 754 }
 755
 756 void sal_exosip_subscription_answered(Sal *sal,eXosip_event_t *ev){
 757         SalOp *op=sal_find_out_subscribe(sal,ev->sid);
 758         if (op==NULL){
 759                 ms_error("Subscription answered but no associated op !");
 760                 return;
 761         }
 762         op->did=ev->did;
 763 }
 764
 765 void sal_exosip_in_subscription_closed(Sal *sal, eXosip_event_t *ev){
 766         SalOp *op=sal_find_in_subscribe(sal,ev->nid);
 767         char *tmp;
 768         if (op==NULL){
 769                 ms_error("Incoming subscription closed but no associated op !");
 770                 return;
 771         }
 772
 773
 774         sal_remove_in_subscribe(sal,op);
 775         op->nid=-1;
 776         op->did=-1;
 777         if (ev->request){
 778                 osip_from_to_str(ev->request->from,&tmp);
 779                 sal->callbacks.subscribe_closed(op,tmp);
 780                 osip_free(tmp);
 781         }
 782 }
 783
 784 void sal_exosip_subscription_closed(Sal *sal,eXosip_event_t *ev){
 785         SalOp *op=sal_find_out_subscribe(sal,ev->sid);
 786         if (op==NULL){
 787                 ms_error("Subscription closed but no associated op !");
 788                 return;
 789         }
 790         sal_remove_out_subscribe(sal,op);
 791         op->sid=-1;
 792         op->did=-1;
 793         sal->callbacks.notify_presence(op,SalSubscribeTerminated, SalPresenceOffline,NULL);
 794 }
 795
 796