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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// option. This file may not be copied, modified, or distributed
// except according to those terms.
// Enable just this file for logging to just see packets.
// e.g. "RUST_LOG=neqo_transport::dump neqo-client ..."
use std::fmt::Write;
use neqo_common::{qdebug, Decoder, IpTos};
use crate::{
connection::Connection,
frame::Frame,
packet::{PacketNumber, PacketType},
path::PathRef,
};
#[allow(clippy::too_many_arguments)]
pub fn dump_packet(
conn: &Connection,
path: &PathRef,
dir: &str,
pt: PacketType,
pn: PacketNumber,
payload: &[u8],
tos: IpTos,
len: usize,
) {
if log::STATIC_MAX_LEVEL == log::LevelFilter::Off || !log::log_enabled!(log::Level::Debug) {
return;
}
let mut s = String::new();
let mut d = Decoder::from(payload);
while d.remaining() > 0 {
let Ok(f) = Frame::decode(&mut d) else {
s.push_str(" [broken]...");
break;
};
let x = f.dump();
if !x.is_empty() {
_ = write!(&mut s, "\n {} {}", dir, &x);
}
}
qdebug!(
[conn],
"pn={} type={:?} {} {:?} len {}{}",
pn,
pt,
path.borrow(),
tos,
len,
s
);
}