/*
* Logic necessary to forward request to strict routers
*
* Returns 0 on success, negative number on an error
*/
static inline int handle_sr(struct sip_msg* _m, struct hdr_field* _hdr, rr_t* _r)
{
str* uri;
char* rem_off;
int rem_len;
uri = &_r->nameaddr.uri;
/* Next hop is strict router, save R-URI here */
if (save_ruri(_m) < 0) {
LOG(L_ERR, "handle_sr: Error while saving Request-URI\n");
return -1;
}
/* Put the first Route in Request-URI */
if (rewrite_uri(_m, uri) < 0) {
LOG(L_ERR, "handle_sr: Error while rewriting request URI\n");
return -2;
}
if (!_r->next) {
rem_off = _hdr->name.s;
rem_len = _hdr->len;
} else {
rem_off = _hdr->body.s;
rem_len = _r->next->nameaddr.name.s - _hdr->body.s;
}
if (!del_lump(_m, rem_off - _m->buf, rem_len, 0)) {
LOG(L_ERR, "handle_sr: Can't remove Route HF\n");
return -9;
}
return 0;
}
/*
* Logic necessary to forward request to strict routers
*
* Returns 0 on success, negative number on an error
*/
static inline int handle_sr(struct sip_msg* _m, struct hdr_field* _hdr, rr_t* _r)
{
str uri;
char* rem_off;
int rem_len;
/* Next hop is strict router, save R-URI here */
if (_r->next) {
if (save_ruri(_m) < 0) {
LM_ERR("failed to save Request-URI\n");
return -1;
}
}
/* Put the first Route in Request-URI */
uri = _r->nameaddr.uri;
if(get_maddr_uri(&uri, 0)!=0) {
LM_ERR("failed to check maddr\n");
return RR_ERROR;
}
if (set_ruri(_m, &uri) < 0) {
LM_ERR("failed to rewrite request URI\n");
return -2;
}
if (!_r->next) {
rem_off = _hdr->name.s;
rem_len = _hdr->len;
} else {
rem_off = _hdr->body.s;
rem_len = _r->next->nameaddr.name.s - _hdr->body.s;
}
if (!del_lump(_m, rem_off - _m->buf, rem_len, 0)) {
LM_ERR("failed to remove Route HF\n");
return -9;
}
_r->deleted = 1;
return 0;
}
