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send broadcasts in MIP

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Sergio R. Caprile committed 2023-10-02 13:37:27 -03:00
1 parent 57fd93eeda
commit d4c122b17a
2 files changed
+542 -275
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src/net_builtin.c
+4 -4
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@@ -1005,16 +1005,16 @@ void mg_connect_resolved(struct mg_connection *c) {
MG_DEBUG(("%lu %M -> %M", c->id, mg_print_ip_port, &c->loc, mg_print_ip_port,
&c->rem));
mg_call(c, MG_EV_RESOLVE, NULL);
if (((rem_ip & ifp->mask) == (ifp->ip & ifp->mask))) {
if (c->is_udp && (rem_ip == 0xffffffff || rem_ip == (ifp->ip | ~ifp->mask))) {
struct connstate *s = (struct connstate *) (c + 1);
memset(s->mac, 0xFF, sizeof(s->mac)); // global or local broadcast
} else if (((rem_ip & ifp->mask) == (ifp->ip & ifp->mask))) {
// If we're in the same LAN, fire an ARP lookup.
MG_DEBUG(("%lu ARP lookup...", c->id));
arp_ask(ifp, rem_ip);
settmout(c, MIP_TTYPE_ARP);
c->is_arplooking = 1;
c->is_connecting = 1;
} else if (rem_ip == (ifp->ip | ~ifp->mask)) {
struct connstate *s = (struct connstate *) (c + 1);
memset(s->mac, 0xFF, sizeof(s->mac)); // local broadcast
} else if ((*((uint8_t *) &rem_ip) & 0xE0) == 0xE0) {
struct connstate *s = (struct connstate *) (c + 1); // 224 to 239, E0 to EF
uint8_t mcastp[3] = {0x01, 0x00, 0x5E}; // multicast group