linphone-ios/coreapi/sal_eXosip2_presence.c
2012-09-13 17:43:33 +02:00

781 lines
23 KiB
C

/*
linphone
Copyright (C) 2010 Simon MORLAT (simon.morlat@free.fr)
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.
*/
#include "sal_eXosip2.h"
typedef enum {
PIDF = 0,
RFCxxxx = 1,
MSOLDPRES = 2
} presence_type_t;
/*
* REVISIT: this static variable forces every dialog to use the same presence description type depending
* on what is received on a single dialog...
*/
static presence_type_t presence_style = PIDF;
SalOp * sal_find_out_subscribe(Sal *sal, int sid){
const MSList *elem;
SalOp *op;
for(elem=sal->out_subscribes;elem!=NULL;elem=elem->next){
op=(SalOp*)elem->data;
if (op->sid==sid) return op;
}
ms_message("No op for sid %i",sid);
return NULL;
}
static void sal_add_out_subscribe(Sal *sal, SalOp *op){
sal->out_subscribes=ms_list_append(sal->out_subscribes,op);
}
void sal_remove_out_subscribe(Sal *sal, SalOp *op){
sal->out_subscribes=ms_list_remove(sal->out_subscribes,op);
}
SalOp * sal_find_in_subscribe(Sal *sal, int nid){
const MSList *elem;
SalOp *op;
for(elem=sal->in_subscribes;elem!=NULL;elem=elem->next){
op=(SalOp*)elem->data;
if (op->nid==nid) return op;
}
return NULL;
}
static SalOp * sal_find_in_subscribe_by_call_id(Sal *sal, osip_call_id_t *call_id){
const MSList *elem;
SalOp *op;
for(elem=sal->in_subscribes;elem!=NULL;elem=elem->next){
op=(SalOp*)elem->data;
if (op->call_id && osip_call_id_match(op->call_id,call_id)==0)
return op;
}
return NULL;
}
static void sal_add_in_subscribe(Sal *sal, SalOp *op, osip_message_t *subs){
osip_call_id_clone(subs->call_id,&op->call_id);
sal->in_subscribes=ms_list_append(sal->in_subscribes,op);
}
void sal_remove_in_subscribe(Sal *sal, SalOp *op){
sal->in_subscribes=ms_list_remove(sal->in_subscribes,op);
}
int sal_message_send(SalOp *op, const char *from, const char *to, const char* content_type, const char *msg){
osip_message_t *sip=NULL;
if(op->cid == -1)
{
/* we are not currently in communication with the destination */
if (from)
sal_op_set_from(op,from);
if (to)
sal_op_set_to(op,to);
sal_exosip_fix_route(op);
eXosip_lock();
eXosip_message_build_request(&sip,"MESSAGE",sal_op_get_to(op),
sal_op_get_from(op),sal_op_get_route(op));
if (sip!=NULL){
osip_message_set_content_type(sip,content_type);
if (msg) osip_message_set_body(sip,msg,strlen(msg));
sal_add_other(op->base.root,op,sip);
eXosip_message_send_request(sip);
}else{
ms_error("Could not build MESSAGE request !");
}
eXosip_unlock();
}
else
{
/* we are currently in communication with the destination */
eXosip_lock();
//First we generate an INFO message to get the current call_id and a good cseq
eXosip_call_build_request(op->did,"MESSAGE",&sip);
if(sip == NULL)
{
ms_warning("could not get a build info to send MESSAGE, maybe no previous call established ?");
eXosip_unlock();
return -1;
}
osip_message_set_content_type(sip,content_type);
if (msg) osip_message_set_body(sip,msg,strlen(msg));
eXosip_call_send_request(op->did,sip);
eXosip_unlock();
}
return 0;
}
int sal_text_send(SalOp *op, const char *from, const char *to, const char *msg) {
return sal_message_send(op,from,to,"text/plain",msg);
}
/*presence Subscribe/notify*/
int sal_subscribe_presence(SalOp *op, const char *from, const char *to){
osip_message_t *msg=NULL;
if (from)
sal_op_set_from(op,from);
if (to)
sal_op_set_to(op,to);
sal_exosip_fix_route(op);
eXosip_lock();
eXosip_subscribe_build_initial_request(&msg,sal_op_get_to(op),sal_op_get_from(op),
sal_op_get_route(op),"presence",600);
if (msg==NULL){
ms_error("Could not build subscribe request to %s",to);
eXosip_unlock();
return -1;
}
if (op->base.contact){
_osip_list_set_empty(&msg->contacts,(void (*)(void*))osip_contact_free);
osip_message_set_contact(msg,op->base.contact);
}
op->sid=eXosip_subscribe_send_initial_request(msg);
eXosip_unlock();
if (op->sid==-1){
osip_message_free(msg);
return -1;
}
sal_add_out_subscribe(op->base.root,op);
return 0;
}
int sal_unsubscribe(SalOp *op){
osip_message_t *msg=NULL;
if (op->did==-1){
ms_error("cannot unsubscribe, no dialog !");
return -1;
}
eXosip_lock();
eXosip_subscribe_build_refresh_request(op->did,&msg);
if (msg){
osip_message_set_expires(msg,"0");
eXosip_subscribe_send_refresh_request(op->did,msg);
}else ms_error("Could not build subscribe refresh request ! op->sid=%i, op->did=%i",
op->sid,op->did);
eXosip_unlock();
return 0;
}
int sal_subscribe_accept(SalOp *op){
osip_message_t *msg=NULL;
eXosip_lock();
eXosip_insubscription_build_answer(op->tid,202,&msg);
if (msg==NULL){
ms_error("Fail to build answer to subscribe.");
eXosip_unlock();
return -1;
}
if (op->base.contact){
_osip_list_set_empty(&msg->contacts,(void (*)(void*))osip_contact_free);
osip_message_set_contact(msg,op->base.contact);
}
eXosip_insubscription_send_answer(op->tid,202,msg);
eXosip_unlock();
return 0;
}
int sal_subscribe_decline(SalOp *op){
eXosip_lock();
eXosip_insubscription_send_answer(op->tid,401,NULL);
eXosip_unlock();
return 0;
}
static void mk_presence_body (const SalPresenceStatus online_status, const char *contact_info,
char *buf, size_t buflen, presence_type_t ptype) {
switch (ptype) {
case RFCxxxx: {
/* definition from http://msdn.microsoft.com/en-us/library/cc246202%28PROT.10%29.aspx */
int atom_id = 1000;
if (online_status==SalPresenceOnline)
{
snprintf(buf, buflen, "<?xml version=\"1.0\"?>\n\
<!DOCTYPE presence PUBLIC \"-//IETF//DTD RFCxxxx XPIDF 1.0//EN\" \"xpidf.dtd\">\n\
<presence>\n\
<presentity uri=\"%s;method=SUBSCRIBE\" />\n\
<atom id=\"%i\">\n\
<address uri=\"%s\" priority=\"0.800000\">\n\
<status status=\"open\" />\n\
<msnsubstatus substatus=\"online\" />\n\
</address>\n\
</atom>\n\
</presence>", contact_info, atom_id, contact_info);
}
else if (online_status == SalPresenceBusy ||
online_status == SalPresenceDonotdisturb)
{
snprintf(buf, buflen, "<?xml version=\"1.0\"?>\n\
<!DOCTYPE presence PUBLIC \"-//IETF//DTD RFCxxxx XPIDF 1.0//EN\" \"xpidf.dtd\">\n\
<presence>\n\
<presentity uri=\"%s;method=SUBSCRIBE\" />\n\
<atom id=\"%i\">\n\
<address uri=\"%s\" priority=\"0.800000\">\n\
<status status=\"inuse\" />\n\
<msnsubstatus substatus=\"busy\" />\n\
</address>\n\
</atom>\n</presence>", contact_info, atom_id, contact_info);
}
else if (online_status==SalPresenceBerightback)
{
snprintf(buf, buflen, "<?xml version=\"1.0\"?>\n\
<!DOCTYPE presence PUBLIC \"-//IETF//DTD RFCxxxx XPIDF 1.0//EN\" \"xpidf.dtd\">\n\
<presence>\n\
<presentity uri=\"%s;method=SUBSCRIBE\" />\n\
<atom id=\"%i\">\n\
<address uri=\"%s\" priority=\"0.800000\">\n\
<status status=\"open\" />\n\
<msnsubstatus substatus=\"berightback\" />\n\
</address>\n\
</atom>\n\
</presence>", contact_info, atom_id, contact_info);
}
else if (online_status == SalPresenceAway ||
online_status == SalPresenceMoved)
{
snprintf(buf, buflen, "<?xml version=\"1.0\"?>\n\
<!DOCTYPE presence PUBLIC \"-//IETF//DTD RFCxxxx XPIDF 1.0//EN\" \"xpidf.dtd\">\n\
<presence>\n\
<presentity uri=\"%s;method=SUBSCRIBE\" />\n\
<atom id=\"%i\">\n\
<address uri=\"%s\" priority=\"0.800000\">\n\
<status status=\"open\" />\n\
<msnsubstatus substatus=\"away\" />\n\
</address>\n\
</atom>\n\
</presence>", contact_info, atom_id, contact_info);
}
else if (online_status==SalPresenceOnthephone)
{
snprintf(buf, buflen, "<?xml version=\"1.0\"?>\n\
<!DOCTYPE presence PUBLIC \"-//IETF//DTD RFCxxxx XPIDF 1.0//EN\" \"xpidf.dtd\">\n\
<presence>\n\
<presentity uri=\"%s;method=SUBSCRIBE\" />\n\
<atom id=\"%i\">\n\
<address uri=\"%s\" priority=\"0.800000\">\n\
<status status=\"inuse\" />\n\
<msnsubstatus substatus=\"onthephone\" />\n\
</address>\n\
</atom>\n\
</presence>", contact_info, atom_id, contact_info);
}
else if (online_status==SalPresenceOuttolunch)
{
snprintf(buf, buflen, "<?xml version=\"1.0\"?>\n\
<!DOCTYPE presence PUBLIC \"-//IETF//DTD RFCxxxx XPIDF 1.0//EN\" \"xpidf.dtd\">\n\
<presence>\n\
<presentity uri=\"%s;method=SUBSCRIBE\" />\n\
<atom id=\"%i\">\n\
<address uri=\"%s\" priority=\"0.800000\">\n\
<status status=\"open\" />\n\
<msnsubstatus substatus=\"outtolunch\" />\n\
</address>\n\
</atom>\n\
</presence>", contact_info, atom_id, contact_info);
}
else
{
snprintf(buf, buflen, "<?xml version=\"1.0\"?>\n\
<!DOCTYPE presence PUBLIC \"-//IETF//DTD RFCxxxx XPIDF 1.0//EN\" \"xpidf.dtd\">\n\
<presence>\n\
<presentity uri=\"%s;method=SUBSCRIBE\" />\n\
<atom id=\"%i\">\n\
<address uri=\"%s\" priority=\"0.800000\">\n\
<status status=\"closed\" />\n\
<msnsubstatus substatus=\"away\" />\n\
</address>\n\
</atom>\n\
</presence>", contact_info, atom_id, contact_info);
}
break;
}
case MSOLDPRES: {
/* Couldn't find schema http://schemas.microsoft.com/2002/09/sip/presence
* so messages format has been taken from Communigate that can send notify
* requests with this schema
*/
int atom_id = 1000;
if (online_status==SalPresenceOnline)
{
snprintf(buf, buflen, "<?xml version=\"1.0\"?>\n\
<!DOCTYPE presence SYSTEM \"http://schemas.microsoft.com/2002/09/sip/presence\">\n\
<presence>\n\
<presentity uri=\"%s;method=SUBSCRIBE\" />\n\
<atom id=\"%i\">\n\
<address uri=\"%s\">\n\
<status status=\"open\" />\n\
<msnsubstatus substatus=\"online\" />\n\
</address>\n\
</atom>\n\
</presence>", contact_info, atom_id, contact_info);
}
else if (online_status == SalPresenceBusy ||
online_status == SalPresenceDonotdisturb)
{
snprintf(buf, buflen, "<?xml version=\"1.0\"?>\n\
<!DOCTYPE presence SYSTEM \"http://schemas.microsoft.com/2002/09/sip/presence\">\n\
<presence>\n\
<presentity uri=\"%s;method=SUBSCRIBE\" />\n\
<atom id=\"%i\">\n\
<address uri=\"%s\">\n\
<status status=\"inuse\" />\n\
<msnsubstatus substatus=\"busy\" />\n\
</address>\n\
</atom>\n</presence>", contact_info, atom_id, contact_info);
}
else if (online_status==SalPresenceBerightback)
{
snprintf(buf, buflen, "<?xml version=\"1.0\"?>\n\
<!DOCTYPE presence SYSTEM \"http://schemas.microsoft.com/2002/09/sip/presence\">\n\
<presence>\n\
<presentity uri=\"%s;method=SUBSCRIBE\" />\n\
<atom id=\"%i\">\n\
<address uri=\"%s\">\n\
<status status=\"inactive\" />\n\
<msnsubstatus substatus=\"berightback\" />\n\
</address>\n\
</atom>\n\
</presence>", contact_info, atom_id, contact_info);
}
else if (online_status == SalPresenceAway ||
online_status == SalPresenceMoved)
{
snprintf(buf, buflen, "<?xml version=\"1.0\"?>\n\
<!DOCTYPE presence SYSTEM \"http://schemas.microsoft.com/2002/09/sip/presence\">\n\
<presence>\n\
<presentity uri=\"%s;method=SUBSCRIBE\" />\n\
<atom id=\"%i\">\n\
<address uri=\"%s\">\n\
<status status=\"inactive\" />\n\
<msnsubstatus substatus=\"idle\" />\n\
</address>\n\
</atom>\n\
</presence>", contact_info, atom_id, contact_info);
}
else if (online_status==SalPresenceOnthephone)
{
snprintf(buf, buflen, "<?xml version=\"1.0\"?>\n\
<!DOCTYPE presence SYSTEM \"http://schemas.microsoft.com/2002/09/sip/presence\">\n\
<presence>\n\
<presentity uri=\"%s;method=SUBSCRIBE\" />\n\
<atom id=\"%i\">\n\
<address uri=\"%s\">\n\
<status status=\"inuse\" />\n\
<msnsubstatus substatus=\"onthephone\" />\n\
</address>\n\
</atom>\n\
</presence>", contact_info, atom_id, contact_info);
}
else if (online_status==SalPresenceOuttolunch)
{
snprintf(buf, buflen, "<?xml version=\"1.0\"?>\n\
<!DOCTYPE presence SYSTEM \"http://schemas.microsoft.com/2002/09/sip/presence\">\n\
<presence>\n\
<presentity uri=\"%s;method=SUBSCRIBE\" />\n\
<atom id=\"%i\">\n\
<address uri=\"%s\">\n\
<status status=\"inactive\" />\n\
<msnsubstatus substatus=\"outtolunch\" />\n\
</address>\n\
</atom>\n\
</presence>", contact_info, atom_id, contact_info);
}
else
{
snprintf(buf, buflen, "<?xml version=\"1.0\"?>\n\
<!DOCTYPE presence SYSTEM \"http://schemas.microsoft.com/2002/09/sip/presence\">\n\
<presence>\n\
<presentity uri=\"%s;method=SUBSCRIBE\" />\n\
<atom id=\"%i\">\n\
<address uri=\"%s\">\n\
<status status=\"closed\" />\n\
<msnsubstatus substatus=\"offline\" />\n\
</address>\n\
</atom>\n\
</presence>", contact_info, atom_id, contact_info);
}
break;
}
default: { /* use pidf+xml as default format, rfc4479, rfc4480, rfc3863 */
if (online_status==SalPresenceOnline)
{
snprintf(buf, buflen, "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n\
<presence xmlns=\"urn:ietf:params:xml:ns:pidf\" \
xmlns:dm=\"urn:ietf:params:xml:ns:pidf:data-model\" \
xmlns:rpid=\"urn:ietf:params:xml:ns:pidf:rpid\" \
entity=\"%s\">\n\
<tuple id=\"sg89ae\">\n\
<status><basic>open</basic></status>\n\
<contact priority=\"0.8\">%s</contact>\n\
</tuple>\n\
</presence>",
contact_info, contact_info);
}
else if (online_status == SalPresenceBusy ||
online_status == SalPresenceDonotdisturb)
{
snprintf(buf, buflen, "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n\
<presence xmlns=\"urn:ietf:params:xml:ns:pidf\" \
xmlns:dm=\"urn:ietf:params:xml:ns:pidf:data-model\" \
xmlns:rpid=\"urn:ietf:params:xml:ns:pidf:rpid\" \
entity=\"%s\">\n\
<tuple id=\"sg89ae\">\n\
<status><basic>open</basic></status>\n\
<contact priority=\"0.8\">%s</contact>\n\
</tuple>\n\
<dm:person id=\"sg89aep\">\n\
<rpid:activities><rpid:busy/></rpid:activities>\n\
</dm:person>\n\
</presence>",
contact_info, contact_info);
}
else if (online_status==SalPresenceBerightback)
{
snprintf(buf, buflen, "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n\
<presence xmlns=\"urn:ietf:params:xml:ns:pidf\" \
xmlns:dm=\"urn:ietf:params:xml:ns:pidf:data-model\" \
xmlns:rpid=\"urn:ietf:params:xml:ns:pidf:rpid\" \
entity=\"%s\">\n\
<tuple id=\"sg89ae\">\n\
<status><basic>open</basic></status>\n\
<contact priority=\"0.8\">%s</contact>\n\
</tuple>\n\
<dm:person id=\"sg89aep\">\n\
<rpid:activities><rpid:in-transit/></rpid:activities>\n\
</dm:person>\n\
</presence>",
contact_info, contact_info);
}
else if (online_status == SalPresenceAway ||
online_status == SalPresenceMoved)
{
snprintf(buf, buflen, "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n\
<presence xmlns=\"urn:ietf:params:xml:ns:pidf\" \
xmlns:dm=\"urn:ietf:params:xml:ns:pidf:data-model\" \
xmlns:rpid=\"urn:ietf:params:xml:ns:pidf:rpid\" \
entity=\"%s\">\n\
<tuple id=\"sg89ae\">\n\
<status><basic>open</basic></status>\n\
<contact priority=\"0.8\">%s</contact>\n\
</tuple>\n\
<dm:person id=\"sg89aep\">\n\
<rpid:activities><rpid:away/></rpid:activities>\n\
</dm:person>\n\
</presence>",
contact_info, contact_info);
}
else if (online_status==SalPresenceOnthephone)
{
snprintf(buf, buflen, "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n\
<presence xmlns=\"urn:ietf:params:xml:ns:pidf\" \
xmlns:dm=\"urn:ietf:params:xml:ns:pidf:data-model\" \
xmlns:rpid=\"urn:ietf:params:xml:ns:pidf:rpid\" \
entity=\"%s\">\n\
<tuple id=\"sg89ae\">\n\
<status><basic>open</basic></status>\n\
<contact priority=\"0.8\">%s</contact>\n\
</tuple>\n\
<dm:person id=\"sg89aep\">\n\
<rpid:activities><rpid:on-the-phone/></rpid:activities>\n\
</dm:person>\n\
</presence>",
contact_info, contact_info);
}
else if (online_status==SalPresenceOuttolunch)
{
snprintf(buf, buflen, "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n\
<presence xmlns=\"urn:ietf:params:xml:ns:pidf\" \
xmlns:dm=\"urn:ietf:params:xml:ns:pidf:data-model\" \
xmlns:rpid=\"urn:ietf:params:xml:ns:pidf:rpid\" \
entity=\"%s\">\n\
<tuple id=\"7777\">\n\
<status><basic>open</basic></status>\n\
<contact priority=\"0.8\">%s</contact>\n\
</tuple>\n\
<dm:person id=\"78787878\">\n\
<rpid:activities><rpid:meal/></rpid:activities>\n\
<rpid:note>Out to lunch</rpid:note> \n\
</dm:person>\n\
</presence>",
contact_info, contact_info);
}
else
{
snprintf(buf, buflen, "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n\
<presence xmlns=\"urn:ietf:params:xml:ns:pidf\" \
xmlns:dm=\"urn:ietf:params:xml:ns:pidf:data-model\" \
xmlns:rpid=\"urn:ietf:params:xml:ns:pidf:rpid\" \
entity=\"%s\">\n\
<tuple id=\"sg89ae\">\n\
<status><basic>closed</basic></status>\n\
<contact priority=\"0.8\">%s</contact>\n\
</tuple>\n\
</presence>\n", contact_info, contact_info);
}
break;
}
} // switch
}
static void add_presence_body(osip_message_t *notify, SalPresenceStatus online_status)
{
char buf[1000];
char *contact_info;
osip_from_t *from=NULL;
from=osip_message_get_from(notify);
osip_uri_to_str(from->url,&contact_info);
mk_presence_body (online_status, contact_info, buf, sizeof (buf), presence_style);
osip_message_set_body(notify, buf, strlen(buf));
osip_message_set_content_type(notify,
presence_style ? "application/xpidf+xml" : "application/pidf+xml");
osip_free(contact_info);
}
int sal_notify_presence(SalOp *op, SalPresenceStatus status, const char *status_message){
osip_message_t *msg=NULL;
eXosip_ss_t ss=EXOSIP_SUBCRSTATE_ACTIVE;
if (op->nid==-1){
ms_warning("Cannot notify, subscription was closed.");
return -1;
}
eXosip_lock();
eXosip_insubscription_build_notify(op->did,ss,DEACTIVATED,&msg);
if (msg!=NULL){
const char *identity=sal_op_get_contact(op);
if (identity==NULL) identity=sal_op_get_to(op);
_osip_list_set_empty(&msg->contacts,(void (*)(void*))osip_contact_free);
osip_message_set_contact(msg,identity);
add_presence_body(msg,status);
eXosip_insubscription_send_request(op->did,msg);
}else ms_error("could not create notify for incoming subscription.");
eXosip_unlock();
return 0;
}
int sal_notify_close(SalOp *op){
osip_message_t *msg=NULL;
eXosip_lock();
eXosip_insubscription_build_notify(op->did,EXOSIP_SUBCRSTATE_TERMINATED,DEACTIVATED,&msg);
if (msg!=NULL){
const char *identity=sal_op_get_contact(op);
if (identity==NULL) identity=sal_op_get_to(op);
osip_message_set_contact(msg,identity);
add_presence_body(msg,SalPresenceOffline);
eXosip_insubscription_send_request(op->did,msg);
}else ms_error("sal_notify_close(): could not create notify for incoming subscription"
" did=%i, nid=%i",op->did,op->nid);
eXosip_unlock();
return 0;
}
int sal_publish(SalOp *op, const char *from, const char *to, SalPresenceStatus presence_mode){
osip_message_t *pub;
int i;
char buf[1024];
mk_presence_body (presence_mode, from, buf, sizeof (buf), presence_style);
i = eXosip_build_publish(&pub,from, to, NULL, "presence", "300",
presence_style ? "application/xpidf+xml" : "application/pidf+xml", buf);
if (i<0){
ms_warning("Failed to build publish request.");
return -1;
}
eXosip_lock();
i = eXosip_publish(pub, to); /* should update the sip-if-match parameter
from sip-etag from last 200ok of PUBLISH */
eXosip_unlock();
if (i<0){
ms_message("Failed to send publish request.");
return -1;
}
sal_add_other(sal_op_get_sal(op),op,pub);
return 0;
}
static void _sal_exosip_subscription_recv(Sal *sal, eXosip_event_t *ev){
SalOp *op=sal_op_new(sal);
char *tmp;
op->did=ev->did;
op->tid=ev->tid;
op->nid=ev->nid;
osip_from_to_str(ev->request->from,&tmp);
sal_op_set_from(op,tmp);
ms_free(tmp);
osip_from_to_str(ev->request->to,&tmp);
sal_op_set_to(op,tmp);
ms_free(tmp);
sal_add_in_subscribe(sal,op,ev->request);
sal->callbacks.subscribe_received(op,sal_op_get_from(op));
}
void sal_exosip_subscription_recv(Sal *sal, eXosip_event_t *ev){
/*workaround a bug in eXosip: incoming SUBSCRIBES within dialog with expires: 0 are
recognized as new incoming subscribes*/
SalOp *op=sal_find_in_subscribe_by_call_id(sal,ev->request->call_id);
if (op){
osip_header_t *h;
osip_message_header_get_byname(ev->request,"expires",0,&h);
if (h && h->hvalue && atoi(h->hvalue)==0){
ms_warning("This susbscribe is not a new one but terminates an old one.");
ev->did=op->did;
ev->nid=op->nid;
sal_exosip_subscription_closed(sal,ev);
}else {
osip_message_t *msg=NULL;
ms_warning("Probably a refresh subscribe");
eXosip_lock();
eXosip_insubscription_build_answer(ev->tid,202,&msg);
eXosip_insubscription_send_answer(ev->tid,202,msg);
eXosip_unlock();
}
}else _sal_exosip_subscription_recv(sal,ev);
}
void sal_exosip_notify_recv(Sal *sal, eXosip_event_t *ev){
SalOp *op=sal_find_out_subscribe(sal,ev->sid);
char *tmp;
osip_from_t *from=NULL;
osip_body_t *body=NULL;
SalPresenceStatus estatus=SalPresenceOffline;
ms_message("Receiving notify with sid=%i,nid=%i",ev->sid,ev->nid);
if (op==NULL){
ms_error("No operation related to this notify !");
return;
}
if (ev->request==NULL) return;
from=ev->request->from;
osip_message_get_body(ev->request,0,&body);
if (body==NULL){
ms_error("No body in NOTIFY");
return;
}
osip_from_to_str(from,&tmp);
if (strstr(body->body,"pending")!=NULL){
estatus=SalPresenceOffline;
}else if (strstr(body->body,"busy")!=NULL){
estatus=SalPresenceBusy;
}else if (strstr(body->body,"berightback")!=NULL
|| strstr(body->body,"in-transit")!=NULL ){
estatus=SalPresenceBerightback;
}else if (strstr(body->body,"away")!=NULL
|| strstr(body->body,"idle")){
estatus=SalPresenceAway;
}else if (strstr(body->body,"onthephone")!=NULL
|| strstr(body->body,"on-the-phone")!=NULL){
estatus=SalPresenceOnthephone;
}else if (strstr(body->body,"outtolunch")!=NULL
|| strstr(body->body,"meal")!=NULL){
estatus=SalPresenceOuttolunch;
}else if (strstr(body->body,"closed")!=NULL){
estatus=SalPresenceOffline;
}else if ((strstr(body->body,"online")!=NULL) || (strstr(body->body,"open")!=NULL)) {
estatus=SalPresenceOnline;
}else{
estatus=SalPresenceOffline;
}
ms_message("We are notified that %s has online status %i",tmp,estatus);
if (ev->ss_status==EXOSIP_SUBCRSTATE_TERMINATED) {
sal_remove_out_subscribe(sal,op);
op->sid=-1;
op->did=-1;
ms_message("And outgoing subscription terminated by remote.");
}
sal->callbacks.notify_presence(op,op->sid!=-1 ? SalSubscribeActive : SalSubscribeTerminated, estatus,NULL);
/* try to detect presence message style used by server,
* and switch our presence messages to servers style */
if (strstr (body->body, "//IETF//DTD RFCxxxx XPIDF 1.0//EN") != NULL) {
presence_style = RFCxxxx;
} else if (strstr(body->body,"http://schemas.microsoft.com/2002/09/sip/presence")!=NULL) {
presence_style = MSOLDPRES;
}
osip_free(tmp);
}
void sal_exosip_subscription_answered(Sal *sal,eXosip_event_t *ev){
SalOp *op=sal_find_out_subscribe(sal,ev->sid);
if (op==NULL){
ms_error("Subscription answered but no associated op !");
return;
}
op->did=ev->did;
}
void sal_exosip_in_subscription_closed(Sal *sal, eXosip_event_t *ev){
SalOp *op=sal_find_in_subscribe(sal,ev->nid);
char *tmp;
if (op==NULL){
ms_error("Incoming subscription closed but no associated op !");
return;
}
sal_remove_in_subscribe(sal,op);
op->nid=-1;
op->did=-1;
if (ev->request){
osip_from_to_str(ev->request->from,&tmp);
sal->callbacks.subscribe_closed(op,tmp);
osip_free(tmp);
}
}
void sal_exosip_subscription_closed(Sal *sal,eXosip_event_t *ev){
SalOp *op=sal_find_out_subscribe(sal,ev->sid);
if (op==NULL){
ms_error("Subscription closed but no associated op !");
return;
}
sal_remove_out_subscribe(sal,op);
op->sid=-1;
op->did=-1;
sal->callbacks.notify_presence(op,SalSubscribeTerminated, SalPresenceOffline,NULL);
}