int send_call_proceeding(SOCKET *sock)
{
Q_DSC dsc;
int size;
q_create(&dsc,q_buffer,MAX_Q_MSG);
q_assign(&dsc,QF_msg_type,ATM_MSG_CALL_PROC);
q_assign(&dsc,QF_call_ref,sock->call_ref);
if (sock->sig->mode == sm_net) {
int vpci,vci;
sock->pvc.sap_family = AF_ATMPVC;
vpci = sock->sig->signaling_pvc.sap_addr.itf;
sock->pvc.sap_addr.itf = get_itf(sock->sig,&vpci);
sock->pvc.sap_addr.vpi = vpci;
vci = get_vci(sock->pvc.sap_addr.itf);
if (vci < 0) {
(void) q_close(&dsc);
return vci;
}
sock->pvc.sap_addr.vci = vci;
}
if (sock->sig->mode != sm_user) {
q_assign(&dsc,QF_vpi,sock->pvc.sap_addr.vpi);
q_assign(&dsc,QF_vci,sock->pvc.sap_addr.vci);
}
if (sock->ep_ref >= 0) q_assign(&dsc,QF_ep_ref,sock->ep_ref);
if ((size = q_close(&dsc)) >= 0) to_signaling(sock->sig,q_buffer,size);
return 0;
}
int get_vci(int itf)
{
SOCKET *walk;
int s,vci;
s = get_pvc(itf,&vci);
if (s < 0) return s;
for (walk = sockets; walk; walk = walk->next)
if (walk->pvc.sap_addr.itf == itf && walk->pvc.sap_addr.vci == vci) {
vci = get_vci(itf); /* this recursion will keep all the busy ones
open until we return */
break;
}
(void) close(s);
return vci;
}