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nic_router: show offered IPs

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If verbose_domain_state is enabled, the server logs detailed information
about the DHCP offer.
This commit is contained in:
Alexander Boettcher 2020-03-28 10:56:52 +01:00 committed by Christian Helmuth
parent 392ed76344
commit 58a420511c
1 changed files with 22 additions and 0 deletions
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22
repos/os/src/server/nic_router/dhcp_client.cc
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@ -124,6 +124,28 @@ void Dhcp_client::handle_dhcp_reply(Dhcp_packet &dhcp)
Message_type const msg_type =
dhcp.option<Dhcp_packet::Message_type_option>().value();
if (_interface.config().verbose_domain_state()) {
if (msg_type == Message_type::OFFER) {
Ipv4_address dns_server;
Ipv4_address subnet_mask;
Ipv4_address router_ip;
try { dns_server = dhcp.option<Dhcp_packet::Dns_server_ipv4>().value(); }
catch (Dhcp_packet::Option_not_found) { }
try { subnet_mask = dhcp.option<Dhcp_packet::Subnet_mask>().value(); }
catch (Dhcp_packet::Option_not_found) { }
try { router_ip = dhcp.option<Dhcp_packet::Router_ipv4>().value(); }
catch (Net::Dhcp_packet::Option_not_found) { }
log("[", _interface.domain(), "] dhcp offer from ",
dhcp.siaddr(),
", offering ", dhcp.yiaddr(),
", subnet-mask ", subnet_mask,
", gateway ", router_ip,
", DNS server ", dns_server);
}
}
switch (_state) {
case State::SELECT: