/* !!! COPIED FROM MODULES/TM !!
* Calculate dialog hooks
*
* This is copied from modules/tm/dlg.c
*
* Maybe a reference to the original function in TM
* could be reached via handlers or whatever...
*/
static inline int calculate_hooks(dlg_t* _d)
{
str* uri;
struct sip_uri puri;
if (_d->route_set) {
uri = &_d->route_set->nameaddr.uri;
if (parse_uri(uri->s, uri->len, &puri) < 0) {
LM_ERR( "Error while parsing URI\n");
return -1;
}
if (puri.lr.s) {
if (_d->rem_target.s) _d->hooks.request_uri = &_d->rem_target;
else _d->hooks.request_uri = &_d->rem_uri;
_d->hooks.next_hop = &_d->route_set->nameaddr.uri;
_d->hooks.first_route = _d->route_set;
} else {
_d->hooks.request_uri = &_d->route_set->nameaddr.uri;
_d->hooks.next_hop = _d->hooks.request_uri;
_d->hooks.first_route = _d->route_set->next;
_d->hooks.last_route = &_d->rem_target;
}
} else {
if (_d->rem_target.s) _d->hooks.request_uri = &_d->rem_target;
else _d->hooks.request_uri = &_d->rem_uri;
_d->hooks.next_hop = _d->hooks.request_uri;
}
if ((_d->hooks.request_uri) && (_d->hooks.request_uri->s) && (_d->hooks.request_uri->len)) {
_d->hooks.ru.s = _d->hooks.request_uri->s;
_d->hooks.ru.len = _d->hooks.request_uri->len;
_d->hooks.request_uri = &_d->hooks.ru;
get_raw_uri(_d->hooks.request_uri);
}
if ((_d->hooks.next_hop) && (_d->hooks.next_hop->s) && (_d->hooks.next_hop->len)) {
_d->hooks.nh.s = _d->hooks.next_hop->s;
_d->hooks.nh.len = _d->hooks.next_hop->len;
_d->hooks.next_hop = &_d->hooks.nh;
get_raw_uri(_d->hooks.next_hop);
}
return 0;
}
/*
* Calculate dialog hooks
* @return:
* negative : error
* 0 : no routes present
* F_RB_NH_LOOSE : routes present, next hop is loose router
* F_RB_NH_STRICT: next hop is strict.
*/
static inline int calculate_hooks(dlg_t* _d)
{
str* uri;
struct sip_uri puri;
int nhop;
/* we might re-calc. some existing hooks =>
* reset all the hooks to 0 */
memset(&_d->hooks, 0, sizeof(_d->hooks));
if (_d->route_set) {
uri = &_d->route_set->nameaddr.uri;
if (parse_uri(uri->s, uri->len, &puri) < 0) {
LOG(L_ERR, "calculate_hooks(): Error while parsing URI\n");
return -1;
}
if (puri.lr.s) {
if (_d->rem_target.s) _d->hooks.request_uri = &_d->rem_target;
else _d->hooks.request_uri = &_d->rem_uri;
_d->hooks.next_hop = &_d->route_set->nameaddr.uri;
_d->hooks.first_route = _d->route_set;
nhop = F_RB_NH_LOOSE;
} else {
_d->hooks.request_uri = &_d->route_set->nameaddr.uri;
_d->hooks.next_hop = _d->hooks.request_uri;
_d->hooks.first_route = _d->route_set->next;
if (_d->rem_target.len > 0)
_d->hooks.last_route = &_d->rem_target;
else
_d->hooks.last_route = NULL; /* ? */
nhop = F_RB_NH_STRICT;
}
} else {
if (_d->rem_target.s) _d->hooks.request_uri = &_d->rem_target;
else _d->hooks.request_uri = &_d->rem_uri;
if (_d->dst_uri.s) _d->hooks.next_hop = &_d->dst_uri;
else _d->hooks.next_hop = _d->hooks.request_uri;
nhop = 0;
/*
* the routes in the hooks need to be reset because if the route_set
* was dropped somewhere else then these will remain set without the
* actual routes existing any more
*/
_d->hooks.first_route = 0;
_d->hooks.last_route = 0;
}
if ((_d->hooks.request_uri) && (_d->hooks.request_uri->s) && (_d->hooks.request_uri->len)) {
_d->hooks.ru.s = _d->hooks.request_uri->s;
_d->hooks.ru.len = _d->hooks.request_uri->len;
_d->hooks.request_uri = &_d->hooks.ru;
get_raw_uri(_d->hooks.request_uri);
}
if ((_d->hooks.next_hop) && (_d->hooks.next_hop->s) && (_d->hooks.next_hop->len)) {
_d->hooks.nh.s = _d->hooks.next_hop->s;
_d->hooks.nh.len = _d->hooks.next_hop->len;
_d->hooks.next_hop = &_d->hooks.nh;
get_raw_uri(_d->hooks.next_hop);
}
return nhop;
}
/*
* Calculate dialog hooks
*/
static inline int calculate_hooks(dlg_t* _d)
{
str* uri;
struct sip_uri puri;
param_hooks_t hooks;
param_t* params;
if (_d->route_set) {
uri = &_d->route_set->nameaddr.uri;
if (parse_uri(uri->s, uri->len, &puri) < 0) {
LOG(L_ERR, "calculate_hooks(): Error while parsing URI\n");
return -1;
}
if (parse_params(&puri.params, CLASS_URI, &hooks, ¶ms) < 0) {
LOG(L_ERR, "calculate_hooks(): Error while parsing parameters\n");
return -2;
}
free_params(params);
if (hooks.uri.lr) {
if (_d->rem_target.s) _d->hooks.request_uri = &_d->rem_target;
else _d->hooks.request_uri = &_d->rem_uri;
_d->hooks.next_hop = &_d->route_set->nameaddr.uri;
_d->hooks.first_route = _d->route_set;
} else {
_d->hooks.request_uri = &_d->route_set->nameaddr.uri;
_d->hooks.next_hop = _d->hooks.request_uri;
_d->hooks.first_route = _d->route_set->next;
if (_d->rem_target.len > 0)
_d->hooks.last_route = &_d->rem_target;
else
_d->hooks.last_route = NULL; /* ? */
}
} else {
if (_d->rem_target.s) _d->hooks.request_uri = &_d->rem_target;
else _d->hooks.request_uri = &_d->rem_uri;
if (_d->dst_uri.s) _d->hooks.next_hop = &_d->dst_uri;
else _d->hooks.next_hop = _d->hooks.request_uri;
/*
* the routes need to be reset because if the route_set was dropped by somebody else
* then this will remain set without the actual routes
*/
_d->hooks.first_route = 0;
_d->hooks.last_route = 0;
}
if ((_d->hooks.request_uri) && (_d->hooks.request_uri->s) && (_d->hooks.request_uri->len)) {
_d->hooks.ru.s = _d->hooks.request_uri->s;
_d->hooks.ru.len = _d->hooks.request_uri->len;
_d->hooks.request_uri = &_d->hooks.ru;
get_raw_uri(_d->hooks.request_uri);
}
if ((_d->hooks.next_hop) && (_d->hooks.next_hop->s) && (_d->hooks.next_hop->len)) {
_d->hooks.nh.s = _d->hooks.next_hop->s;
_d->hooks.nh.len = _d->hooks.next_hop->len;
_d->hooks.next_hop = &_d->hooks.nh;
get_raw_uri(_d->hooks.next_hop);
}
return 0;
}
