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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
use std::{net::SocketAddr, ops::Deref};
use crate::{hex_with_len, IpTos};
#[derive(Clone, PartialEq, Eq)]
pub struct Datagram {
src: SocketAddr,
dst: SocketAddr,
tos: IpTos,
ttl: Option<u8>,
d: Vec<u8>,
}
impl Datagram {
pub fn new<V: Into<Vec<u8>>>(
src: SocketAddr,
dst: SocketAddr,
tos: IpTos,
ttl: Option<u8>,
d: V,
) -> Self {
Self {
src,
dst,
tos,
ttl,
d: d.into(),
}
}
#[must_use]
pub fn source(&self) -> SocketAddr {
self.src
}
#[must_use]
pub fn destination(&self) -> SocketAddr {
self.dst
}
#[must_use]
pub fn tos(&self) -> IpTos {
self.tos
}
#[must_use]
pub fn ttl(&self) -> Option<u8> {
self.ttl
}
}
impl Deref for Datagram {
type Target = Vec<u8>;
#[must_use]
fn deref(&self) -> &Self::Target {
&self.d
}
}
impl std::fmt::Debug for Datagram {
fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
write!(
f,
"Datagram {:?} TTL {:?} {:?}->{:?}: {}",
self.tos,
self.ttl,
self.src,
self.dst,
hex_with_len(&self.d)
)
}
}
#[cfg(test)]
use test_fixture::datagram;
#[test]
fn fmt_datagram() {
let d = datagram([0; 1].to_vec());
assert_eq!(
format!("{d:?}"),
"Datagram IpTos(Cs0, NotEct) TTL Some(128) [fe80::1]:443->[fe80::1]:443: [1]: 00"
.to_string()
);
}
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