toe-beans 0.10.0

DHCP library, client, and server
Documentation 
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use serde::{Deserialize, Serialize};

/// An option that represents seconds as a u32.
#[derive(Debug, PartialEq, Serialize, Deserialize, Clone)]
pub struct TimeOption(u32);

impl TimeOption {
    /// Create a `TimeOption`.
    pub fn new(seconds: u32) -> Self {
        Self(seconds)
    }

    /// Used, when serializing, to add to the byte buffer.
    #[inline]
    pub fn extend_into(&self, bytes: &mut Vec<u8>, tag: u8) {
        bytes.push(tag); // tag
        bytes.push(4); // length
        bytes.extend_from_slice(&self.0.to_be_bytes()); // value
    }
}

impl From<&[u8]> for TimeOption {
    fn from(value: &[u8]) -> Self {
        let bytes: [u8; 4] = value.try_into().unwrap();
        Self(u32::from_be_bytes(bytes))
    }
}