arcbox_helper/validate/
dns_port.rs

1/// A validated unprivileged port number (1024..=65535).
2#[derive(Debug, Clone, Copy, PartialEq, Eq)]
3pub struct DnsPort(u16);
4
5impl DnsPort {
6    pub fn value(self) -> u16 {
7        self.0
8    }
9}
10
11impl TryFrom<u16> for DnsPort {
12    type Error = String;
13
14    fn try_from(port: u16) -> Result<Self, Self::Error> {
15        if port < 1024 {
16            return Err(format!("port {port} is below 1024 (privileged range)"));
17        }
18        Ok(Self(port))
19    }
20}
21
22impl std::fmt::Display for DnsPort {
23    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
24        write!(f, "{}", self.0)
25    }
26}

arcbox_helper/validate/dns_port.rs

arcbox_helper/validate/
dns_port.rs