Function process_routeset

modules/tm/t_msgbuilder.c:287–347

static inline int process_routeset(struct sip_msg* msg, str* contact, struct rte** list, str* ruri, str* next_hop)
{
	struct hdr_field* ptr;
	rr_t* p;
	struct rte* t, *head;
	struct sip_uri puri;

	ptr = msg->record_route;
	head = 0;
	while(ptr) {
		if (ptr->type == HDR_RECORDROUTE_T) {
			if (parse_rr(ptr) < 0) {
				LM_ERR("failed to parse Record-Route header\n");
				return -1;
			}

			p = (rr_t*)ptr->parsed;
			while(p) {
				t = (struct rte*)pkg_malloc(sizeof(struct rte));
				if (!t) {
					LM_ERR("no more pkg memory\n");
					free_rte_list(head);
					return -1;
				}
				t->ptr = p;
				t->next = head;
				head = t;
				p = p->next;
			}
		}
		ptr = ptr->next;
	}

	if (head) {
		if (parse_uri(head->ptr->nameaddr.uri.s, head->ptr->nameaddr.uri.len, &puri) < 0) {
			LM_ERR("failed to parse URI\n");
			free_rte_list(head);
			return -1;
		}

		if (puri.lr.s) {
			     /* Next hop is loose router */
			*ruri = *contact;
			*next_hop = head->ptr->nameaddr.uri;
		} else {
			     /* Next hop is strict router */
			*ruri = head->ptr->nameaddr.uri;
			*next_hop = *ruri;
			t = head;
			head = head->next;
			pkg_free(t);
		}
	} else {
		     /* No routes */
		*ruri = *contact;
		*next_hop = *contact;
	}