Function find_si

socket_info.c:517–549

checks if the proto: ip:port is one of the address we listen on * and returns the corresponding socket_info structure. * (same as grep_socket_info, but use ip addr instead) * if port==0, the port number is ignored * if proto==0 (PROTO_NONE) the protocol is ignored * returns 0 if not found * WARNING: uses str2ip6 so it will overwrite any previous * unsaved result of this function (static

 *  unsaved result of this function (static buffer)
 */
const struct socket_info* find_si(const struct ip_addr* ip, unsigned short port,
												unsigned short proto)
{
	const struct socket_info* si = NULL;
	struct socket_info_full* sif;
	struct socket_info_full** list;
	unsigned short c_proto;

	c_proto=proto?proto:PROTO_UDP;
	do{
		/* get the proper sock_list */
		list=get_sock_info_list(c_proto);

		if (list==0){
			LM_WARN("unknown proto %d\n", c_proto);
			goto not_found; /* false */
		}
		for (sif=*list; sif; sif=sif->next){
			si = &sif->socket_info;
			if (port) {
				if (si->port_no!=port) {
					continue;
				}
			}
			if (ip_addr_cmp(ip, &si->address) || ip_addr_cmp(ip, &si->adv_address))
				goto found;
		}
	}while( (proto==0) && (c_proto=next_proto(c_proto)) );
not_found:
	return 0;
found:
	return si;
}


/* parses the specified `spec` and returns an associated