Function w_t_reply

modules/tm/tm.c:1255–1293

static int w_t_reply(struct sip_msg* msg, unsigned int code, str* text)
{
	struct cell *t;
	int r;

	if (msg->REQ_METHOD==METHOD_ACK) {
		LM_DBG("ACKs are not replied\n");
		return 0;
	}
	switch (route_type) {
		case FAILURE_ROUTE:
			/* if called from reply_route, make sure that unsafe version
			 * is called; we are already in a mutex and another mutex in
			 * the safe version would lead to a deadlock */
			t=get_t();
			if ( t==0 || t==T_UNDEFINED ) {
				LM_ERR("BUG - no transaction found in Failure Route\n");
				return -1;
			}
			return t_reply_unsafe(t, msg, code, text);
		case REQUEST_ROUTE:
			t=get_t();
			if ( t==0 || t==T_UNDEFINED ) {
				r = t_newtran( msg , 0/*no full UAS cloning*/ );
				if (r==0) {
					/* retransmission -> break the script */
					return 0;
				} else if (r<0) {
					LM_ERR("could not create a new transaction\n");
					return -1;
				}
				t=get_t();
			}
			return t_reply( t, msg, code, text);
		default:
			LM_CRIT("unsupported route_type (%d)\n", route_type);
			return -1;
	}
}


static int w_pv_t_reply(struct sip_msg *msg, unsigned int* code, str* text)