Function tm_anycast_cancel

modules/tm/cluster.c:594–613

* Handles a CANCEL message received over anycast * Returns: * 0: message was successfully handled * -1: message was not handled */

 * -1: message was not handled
 */
int tm_anycast_cancel(struct sip_msg *msg)
{
	struct cell *t;
	if (!tm_repl_auto_cancel || !tm_repl_cluster)
		return -1;

	if (!tm_existing_invite_trans(msg))
		return tm_replicate_cancel(msg)? 0: -2;
	t = get_cancelled_t();
	if (t!=NULL && t!=T_UNDEFINED)
		t_unref_cell(t);

	if (t_relay_to(msg, NULL, 0) < 0) {
		LM_ERR("cannot handle auto-CANCEL here - send to script!\n");
		return -1;
	}
	t_unref(msg);

	return 0;
}