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tokio-xmpp: Add debug for chosen DNS method

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Signed-off-by: Maxime “pep” Buquet <pep@bouah.net>
This commit is contained in:
Maxime “pep” Buquet 2023-06-18 16:46:49 +02:00
parent f9d4419513
commit 99f3811c71
1 changed files with 5 additions and 1 deletions
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6
tokio-xmpp/src/happy_eyeballs.rs
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@ -1,5 +1,6 @@
use crate::{ConnecterError, Error};
use idna;
use log::debug;
use std::net::SocketAddr;
use tokio::net::TcpStream;
use trust_dns_resolver::{IntoName, TokioAsyncResolver};
@ -34,6 +35,7 @@ pub async fn connect_with_srv(
let ascii_domain = idna::domain_to_ascii(&domain).map_err(|_| Error::Idna)?;
if let Ok(ip) = ascii_domain.parse() {
debug!("Attempting connection to {ip}:{fallback_port}");
return Ok(TcpStream::connect(&SocketAddr::new(ip, fallback_port)).await?);
}
@ -42,12 +44,13 @@ pub async fn connect_with_srv(
let srv_domain = format!("{}.{}.", srv, ascii_domain)
.into_name()
.map_err(ConnecterError::Dns)?;
let srv_records = resolver.srv_lookup(srv_domain).await.ok();
let srv_records = resolver.srv_lookup(srv_domain.clone()).await.ok();
match srv_records {
Some(lookup) => {
// TODO: sort lookup records by priority/weight
for srv in lookup.iter() {
debug!("Attempting connection to {srv_domain} {srv}");
match connect_to_host(&srv.target().to_ascii(), srv.port()).await {
Ok(stream) => return Ok(stream),
Err(_) => {}
@ -57,6 +60,7 @@ pub async fn connect_with_srv(
}
None => {
// SRV lookup error, retry with hostname
debug!("Attempting connection to {domain}:{fallback_port}");
connect_to_host(domain, fallback_port).await
}
}