fn new()

in src/linux.rs [96:136]

• 41 lines of code
• 1 McCabe index (conditional complexity)

    fn new(remote: IpAddr, nlmsg_seq: u32) -> Self {
        let addr = AddrBytes::new(remote);
        #[expect(
            clippy::cast_possible_truncation,
            reason = "Structs lens are <= u8::MAX per `const_assert!`s above; `addr_bytes` is max. 16 for IPv6."
        )]
        let nlmsg_len =
            (size_of::<nlmsghdr>() + size_of::<rtmsg>() + size_of::<rtattr>() + addr.len()) as u32;
        Self {
            nlmsg: nlmsghdr {
                nlmsg_len,
                nlmsg_type: RTM_GETROUTE,
                nlmsg_flags: NLM_F_REQUEST | NLM_F_ACK,
                nlmsg_seq,
                ..Default::default()
            },
            rtm: rtmsg {
                rtm_family: match remote {
                    IpAddr::V4(_) => AF_INET,
                    IpAddr::V6(_) => AF_INET6,
                },
                rtm_dst_len: match remote {
                    IpAddr::V4(_) => 32,
                    IpAddr::V6(_) => 128,
                },
                rtm_table: RT_TABLE_MAIN,
                rtm_scope: RT_SCOPE_UNIVERSE,
                rtm_type: RTN_UNICAST,
                ..Default::default()
            },
            rt: rtattr {
                #[expect(
                    clippy::cast_possible_truncation,
                    reason = "Structs len is <= u8::MAX per `const_assert!` above; `addr_bytes` is max. 16 for IPv6."
                )]
                rta_len: (size_of::<rtattr>() + addr.len()) as u16,
                rta_type: RTA_DST,
            },
            addr: addr.into(),
        }
    }