/**
* Alters the saved dlg_t routes for the dialog by removing
* @param d - the dialog to modify the Record-Routes
* @param dir - the direction
*/
void alter_dialog_route_set(dlg_t *d,enum p_dialog_direction dir,enum release_call_situation situation)
{
rr_t *r;
rr_t *r_new;
str p; /*this is going to point to the scscf uri*/
switch (dir) {
case DLG_MOBILE_ORIGINATING:
p = pcscf_record_route_mo_uri;
break;
case DLG_MOBILE_TERMINATING:
p = pcscf_record_route_mt_uri;
break;
default:
return;
}
d->route_set=revert_route(d->route_set);
//LOG(L_CRIT,"Looking for <%.*s> in\n",p.len,p.s);
//for(r=d->route_set;r!=NULL;r=r->next)
//LOG(L_CRIT,"<%.*s>\n",r->nameaddr.uri.len,r->nameaddr.uri.s);
for(r=d->route_set;r!=NULL;r=r->next) {
if (r->nameaddr.uri.len>=p.len &&
strncasecmp(r->nameaddr.uri.s,p.s,r->nameaddr.uri.len)==0)
{
r_new=r->next;
r->next=NULL;
shm_free_rr(&d->route_set);
d->route_set = r_new;
return;
}
}
}
/*
* Create a copy of route set either in normal or reverse order
*/
static inline int get_route_set(struct sip_msg* _m, rr_t** _rs, unsigned char _order)
{
struct hdr_field* ptr;
rr_t* last, *p, *t;
last = 0;
ptr = _m->record_route;
while(ptr) {
if (ptr->type == HDR_RECORDROUTE_T) {
if (parse_rr(ptr) < 0) {
LOG(L_ERR, "get_route_set(): Error while parsing Record-Route body\n");
goto error;
}
p = (rr_t*)ptr->parsed;
if (shm_duplicate_rr(&t, p) < 0) {
LOG(L_ERR, "get_route_set(): Error while duplicating rr_t\n");
goto error;
}
if (!*_rs) *_rs = t;
if (last) last->next = t;
last = t;
while (last->next) last = last->next; /* !!! there may be more routes in one hdr field !!! */
}
ptr = ptr->next;
}
if ((*_rs) && (_order != NORMAL_ORDER)) {
/* better to revert the route outside of cycle above */
*_rs = revert_route(*_rs);
}
return 0;
error:
shm_free_rr(_rs);
return -1;
}
