use core::{fmt, str::FromStr}; use crate::{parser, MacAddr6, MacAddr8, ParseError}; /// A MAC address, either in *EUI-48* or *EUI-64* format. #[derive(Debug, Hash, Eq, PartialEq, Ord, PartialOrd, Copy, Clone)] pub enum MacAddr { V6(MacAddr6), V8(MacAddr8), } impl MacAddr { /// Returns `true` if the address is `MacAddr6` address. /// /// ## Example /// /// ```rust /// # use macaddr::{MacAddr, MacAddr6}; /// let addr = MacAddr::from([0xAC, 0xDE, 0x48, 0x23, 0x45, 0x67]); /// /// assert_eq!(addr.is_v6(), true); /// assert_eq!(addr.is_v8(), false); /// ``` pub fn is_v6(&self) -> bool { match self { MacAddr::V6(_) => true, MacAddr::V8(_) => false, } } /// Returns `true` if the address is `MacAddr8` address. /// /// ## Example /// /// ```rust /// # use macaddr::{MacAddr, MacAddr8}; /// let addr = MacAddr::from([0xAC, 0xDE, 0x48, 0x23, 0x45, 0x67, 0x89, 0xAB]); /// /// assert_eq!(addr.is_v6(), false); /// assert_eq!(addr.is_v8(), true); /// ``` pub fn is_v8(&self) -> bool { match self { MacAddr::V6(_) => false, MacAddr::V8(_) => true, } } /// Converts a `MacAddr` address to a byte slice. /// /// Length of the returned slice is depends on the enum member used. /// /// ## Example /// /// ```rust /// # use macaddr::{MacAddr, MacAddr6}; /// let addr = MacAddr::from([0xAC, 0xDE, 0x48, 0x23, 0x45, 0x67]); /// /// assert_eq!(addr.as_bytes(), &[0xAC, 0xDE, 0x48, 0x23, 0x45, 0x67]); /// ``` pub fn as_bytes(&self) -> &[u8] { match self { MacAddr::V6(addr) => addr.as_bytes(), MacAddr::V8(addr) => addr.as_bytes(), } } } impl From for MacAddr { fn from(addr: MacAddr6) -> Self { MacAddr::V6(addr) } } impl From for MacAddr { fn from(addr: MacAddr8) -> Self { MacAddr::V8(addr) } } impl FromStr for MacAddr { type Err = ParseError; fn from_str(s: &str) -> Result { parser::Parser::new(s).read_addr() } } impl From<[u8; 6]> for MacAddr { fn from(bytes: [u8; 6]) -> Self { MacAddr::V6(MacAddr6::from(bytes)) } } impl From<[u8; 8]> for MacAddr { fn from(bytes: [u8; 8]) -> Self { MacAddr::V8(MacAddr8::from(bytes)) } } impl fmt::Display for MacAddr { fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { match self { MacAddr::V6(v6) => fmt::Display::fmt(v6, f), MacAddr::V8(v8) => fmt::Display::fmt(v8, f), } } }