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tweaks

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This commit is contained in:
Sergio R. Caprile committed 2024-10-09 11:33:14 -03:00
1 parent e1f7f3d7bb
commit 32d90c38db
3 files changed
+105 -69
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src/net_builtin.c
+24 -17
View File
@@ -906,11 +906,16 @@ static void mg_tcpip_poll(struct mg_tcpip_if *ifp, uint64_t now) {
if (expired_1000ms && ifp->driver->up) {
bool up = ifp->driver->up(ifp);
bool current = ifp->state != MG_TCPIP_STATE_DOWN;
if (up != current) {
ifp->state = up == false ? MG_TCPIP_STATE_DOWN
: ifp->enable_dhcp_client ? MG_TCPIP_STATE_UP
: MG_TCPIP_STATE_READY;
if (!up && ifp->enable_dhcp_client) ifp->ip = 0;
if (!up && ifp->enable_dhcp_client) ifp->ip = 0;
if (up != current) { // link state has changed
ifp->state = up == false ? MG_TCPIP_STATE_DOWN
: ifp->enable_dhcp_client || ifp->ip == 0
? MG_TCPIP_STATE_UP
: MG_TCPIP_STATE_READY;
onstatechange(ifp);
} else if (!ifp->enable_dhcp_client && ifp->state == MG_TCPIP_STATE_UP &&
ifp->ip) {
ifp->state = MG_TCPIP_STATE_READY; // ifp->fn has set an IP
onstatechange(ifp);
}
if (ifp->state == MG_TCPIP_STATE_DOWN) MG_ERROR(("Network is down"));
@@ -919,18 +924,20 @@ static void mg_tcpip_poll(struct mg_tcpip_if *ifp, uint64_t now) {
if (ifp->state == MG_TCPIP_STATE_DOWN) return;
// DHCP RFC-2131 (4.4)
if (ifp->state == MG_TCPIP_STATE_UP && expired_1000ms) {
tx_dhcp_discover(ifp); // INIT (4.4.1)
} else if (expired_1000ms && ifp->state == MG_TCPIP_STATE_READY &&
ifp->lease_expire > 0) { // BOUND / RENEWING / REBINDING
if (ifp->now >= ifp->lease_expire) {
ifp->state = MG_TCPIP_STATE_UP, ifp->ip = 0; // expired, release IP
onstatechange(ifp);
} else if (ifp->now + 30UL * 60UL * 1000UL > ifp->lease_expire &&
((ifp->now / 1000) % 60) == 0) {
// hack: 30 min before deadline, try to rebind (4.3.6) every min
tx_dhcp_request_re(ifp, (uint8_t *) broadcast, ifp->ip, 0xffffffff);
} // TODO(): Handle T1 (RENEWING) and T2 (REBINDING) (4.4.5)
if (ifp->enable_dhcp_client && expired_1000ms) {
if (ifp->state == MG_TCPIP_STATE_UP) {
tx_dhcp_discover(ifp); // INIT (4.4.1)
} else if (ifp->state == MG_TCPIP_STATE_READY &&
ifp->lease_expire > 0) { // BOUND / RENEWING / REBINDING
if (ifp->now >= ifp->lease_expire) {
ifp->state = MG_TCPIP_STATE_UP, ifp->ip = 0; // expired, release IP
onstatechange(ifp);
} else if (ifp->now + 30UL * 60UL * 1000UL > ifp->lease_expire &&
((ifp->now / 1000) % 60) == 0) {
// hack: 30 min before deadline, try to rebind (4.3.6) every min
tx_dhcp_request_re(ifp, (uint8_t *) broadcast, ifp->ip, 0xffffffff);
} // TODO(): Handle T1 (RENEWING) and T2 (REBINDING) (4.4.5)
}
}
// Read data from the network