Function t_check_status

modules/tm/tm.c:1072–1122

wrapper functions ***************************/

/**************************** wrapper functions ***************************/
static int t_check_status(struct sip_msg* msg, regex_t *regexp)
{
	regmatch_t pmatch;
	struct cell *t;
	char *status;
	char backup;
	int branch;
	int n;

	/* first get the transaction */
	t = get_t();
	if ( t==0 || t==T_UNDEFINED ) {
		LM_ERR("cannot check status for a reply which"
				" has no transaction-state established\n");
		return -1;
	}
	backup = 0;

	switch (route_type) {
		case REQUEST_ROUTE:
			/* use the status of the last sent reply */
			status = int2str( t->uas.status, 0);
			break;
		case ONREPLY_ROUTE:
			/* use the status of the current reply */
			status = msg->first_line.u.reply.status.s;
			backup = status[msg->first_line.u.reply.status.len];
			status[msg->first_line.u.reply.status.len] = 0;
			break;
		case FAILURE_ROUTE:
			/* use the status of the winning reply */
			if ( (branch=t_get_picked_branch())<0 ) {
				LM_CRIT("no picked branch (%d) for a final response"
						" in MODE_ONFAILURE\n", branch);
				return -1;
			}
			status = int2str( TM_BRANCH(t,branch).last_received , 0);
			break;
		default:
			LM_ERR("unsupported route_type %d\n", route_type);
			return -1;
	}

	LM_DBG("checked status is <%s>\n",status);
	/* do the checking */
	n = regexec(regexp, status, 1, &pmatch, 0);

	if (backup) status[msg->first_line.u.reply.status.len] = backup;
	if (n!=0) return -1;
	return 1;
}


static int t_check_trans(struct sip_msg* msg)