Function b2bl_get_tuple_key

modules/b2b_logic/logic.c:4096–4133

}

int b2bl_get_tuple_key(str *key, unsigned int *hash_index,
		unsigned int *local_index, str *entity_str)
{
	int ret;
	str callid, from_tag, to_tag, *tuple;

	/* check to see if the key is specified as callid;from_tag;to_tag */
	from_tag.s = q_memchr(key->s, ';', key->len);
	if (!from_tag.s) {
		LM_DBG("there's no tuple separator: must be plain key: %.*s\n",
				key->len, key->s);
		tuple = key;
		goto end;
	}
	callid.s = key->s;
	callid.len = from_tag.s - callid.s;
	from_tag.s++;
	to_tag.s = q_memchr(from_tag.s, ';', key->len - callid.len - 1);
	if (!to_tag.s) {
		LM_DBG("invalid key format: %.*s\n", key->len, key->s);
		return -1;
	}
	from_tag.len = to_tag.s - from_tag.s;
	to_tag.s++;
	to_tag.len = key->s + key->len - to_tag.s;

	/* we've got the entity's coordinates, try to find the entity now */
	tuple = b2b_api.get_b2bl_key(&callid, &from_tag, &to_tag, entity_str);
	if(!tuple) {
		LM_DBG("cannot find entity [%.*s]\n", key->len, key->s);
		return -2;
	}
end:
	ret = b2bl_parse_key(tuple, hash_index, local_index);
	if (key != tuple)
		pkg_free(tuple);
	return ret;
}