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use bytes::{Buf, Bytes};
#[derive(PartialEq, Debug, Clone)]
pub struct Ack {
checksum: u32,
}
impl From<Bytes> for Ack {
fn from(value: Bytes) -> Self {
let mut bytes = value;
Ack {
checksum: bytes.get_u32(),
}
}
}
impl core::fmt::Display for Ack {
fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
f.write_fmt(format_args!("Checksum: {:4x?}", self.checksum))
}
}
#[cfg(test)]
mod tests {
use crate::{ack::Ack, packet::*, packet_content::PacketContent};
use bytes::Bytes;
use core::str::FromStr;
use hex::decode;
use tinyvec::array_vec;
#[test]
fn ack() {
let sample = "0D0E78B5561B03CD70DA326066B8A0CF24F3214D";
let lhs_packet = Packet {
route_type: RouteType::Flood,
version: PayloadVersion::VersionOne,
path: array_vec!([u16; 64] => 0x78, 0xB5, 0x56, 0x1B, 0x03, 0xCD, 0x70, 0xDA, 0x32, 0x60, 0x66, 0xB8, 0xA0, 0xCF),
transport: [0, 0],
raw_content: Bytes::copy_from_slice(&decode("24F3214D").unwrap()),
content: PacketContent::Ack(Ack {
checksum: 0x24F3214D,
}),
incomplete: false,
};
let rhs_packet = Packet::from_str(sample).unwrap();
assert_eq!(lhs_packet, rhs_packet);
}
#[test]
fn display() {
let ack = Ack {
checksum: 0x24F3214D,
};
println!("{}", ack);
assert_eq!(format!("{}", ack), "Checksum: 24f3214d");
}
}
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