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Explicitly implement is_unicast_link_local #2

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merged 1 commit into from
Apr 15, 2023
Merged

Explicitly implement is_unicast_link_local #2

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11 changes: 8 additions & 3 deletions src/main.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -680,6 +680,13 @@ fn cmp_socket_addr(l: SocketAddr, r: SocketAddr) -> bool {
}
}

// TODO replace with Ipv6Addr's is_unicast_link_local once that is stablized
fn is_unicast_link_local(addr: &Ipv6Addr) -> bool {
// Copied from Ipv6Addr::is_unicast_link_local, whose stabilization has not seen any activity
// in years
(addr.segments()[0] & 0xffc0) == 0xfe80
}

fn update_local_addr(addrs: &mut Vec<LocalAddress>, rtnl_msg: &RtnlMessage) -> Option<()> {
match rtnl_msg {
RtnlMessage::NewAddress(na_msg) => {
Expand All @@ -693,9 +700,7 @@ fn update_local_addr(addrs: &mut Vec<LocalAddress>, rtnl_msg: &RtnlMessage) -> O
let ip_addr = addr_from_vec(a)?;
match ip_addr {
IpAddr::V6(a6) => {
// TODO enable once is_unicast_link_local is stablized
//if a6.is_unicast_link_local() {
if false {
if is_unicast_link_local(&a6) {
SocketAddr::V6(SocketAddrV6::new(a6, 0, 0, na_msg.header.index))
} else {
SocketAddr::new(ip_addr, 0)
Expand Down