static void
dev_ifa_notify(struct proto *p, unsigned c, struct ifa *ad)
{
struct rt_dev_config *P = (void *) p->cf;
if (!EMPTY_LIST(P->iface_list) &&
!iface_patt_find(&P->iface_list, ad->iface, ad->iface->addr))
/* Empty list is automagically treated as "*" */
return;
if (ad->flags & IA_SECONDARY)
return;
if (ad->scope <= SCOPE_LINK)
return;
if (c & IF_CHANGE_DOWN)
{
net *n;
DBG("dev_if_notify: %s:%I going down\n", ad->iface->name, ad->ip);
n = net_find(p->table, ad->prefix, ad->pxlen);
if (!n)
{
DBG("dev_if_notify: device shutdown: prefix not found\n");
return;
}
/* Use iface ID as local source ID */
struct rte_src *src = rt_get_source(p, ad->iface->index);
rte_update2(p->main_ahook, n, NULL, src);
}
else if (c & IF_CHANGE_UP)
{
rta *a;
net *n;
rte *e;
DBG("dev_if_notify: %s:%I going up\n", ad->iface->name, ad->ip);
/* Use iface ID as local source ID */
struct rte_src *src = rt_get_source(p, ad->iface->index);
rta a0 = {
.src = src,
.source = RTS_DEVICE,
.scope = SCOPE_UNIVERSE,
.cast = RTC_UNICAST,
.dest = RTD_DEVICE,
.iface = ad->iface
};
a = rta_lookup(&a0);
n = net_get(p->table, ad->prefix, ad->pxlen);
e = rte_get_temp(a);
e->net = n;
e->pflags = 0;
rte_update2(p->main_ahook, n, e, src);
}
}
void net_sim(char *debug_file_name) {
struct net_t *net;
double *inject_time; /* Next injection time (one per node) */
/* Initialize */
debug_init();
esim_init();
net_init();
net_debug_category = debug_new_category(debug_file_name);
/* Network to work with */
if (!*net_sim_network_name) panic("%s: no network", __FUNCTION__);
net = net_find(net_sim_network_name);
if (!net) fatal("%s: network does not exist", net_sim_network_name);
/* Initialize */
inject_time = xcalloc(net->node_count, sizeof(double));
/* FIXME: error for no dest node in network */
/* Simulation loop */
esim_process_events(TRUE);
if (!strcmp(net_traffic_pattern, "") ||
(!strcmp(net_traffic_pattern, "uniform"))) {
net_traffic_uniform(net, inject_time);
} else if (!strcmp(net_traffic_pattern, "command")) {
while (1) {
long long cycle;
cycle = esim_domain_cycle(net_domain_index);
if (cycle >= net_max_cycles) break;
net_debug("___cycle %lld___ \n", cycle);
esim_process_events(TRUE);
}
} else
fatal("Network %s: unknown traffic pattern (%s). \n", net->name,
net_traffic_pattern);
/* Drain events */
esim_process_all_events();
/* Free */
free(inject_time);
/* Finalize */
net_done();
esim_done();
debug_done();
/* Finish program */
mhandle_done();
exit(0);
}
void net_sim(char *debug_file_name)
{
struct net_t *net;
double *inject_time; /* Next injection time (one per node) */
/* Initialize */
debug_init();
esim_init();
net_init();
net_debug_category = debug_new_category(debug_file_name);
/* Network to work with */
if (!*net_sim_network_name)
panic("%s: no network", __FUNCTION__);
net = net_find(net_sim_network_name);
if (!net)
fatal("%s: network does not exist", net_sim_network_name);
/* Network Trace = Stand Alone */
if (net_tracing())
{
/* Initialization of Trace */
net_trace_header("net.init version=\"%d.%d\"\n",
NET_SYSTEM_TRACE_VERSION_MAJOR, NET_SYSTEM_TRACE_VERSION_MINOR);
/* Network Trace Header */
net_config_trace(net);
}
inject_time = xcalloc(net->node_count, sizeof(double));
/* FIXME: error for no dest node in network */
/* Simulation loop */
esim_process_events(TRUE);
if (!strcmp(net_traffic_pattern, "") ||
(!strcmp(net_traffic_pattern, "uniform")))
{
net_traffic_uniform(net, inject_time);
}
else if (!strcmp(net_traffic_pattern, "command"))
{
while(1)
{
long long cycle;
cycle = esim_domain_cycle(net_domain_index);
if (cycle >= net_max_cycles)
break;
net_debug("___cycle %lld___ \n", cycle);
esim_process_events(TRUE);
}
}
else
fatal("Network %s: unknown traffic pattern (%s). \n", net->name
,net_traffic_pattern);
/* Drain events */
esim_process_all_events();
/* Free */
free(inject_time);
/* Finalize */
net_done();
esim_done();
trace_done();
debug_done();
}
