resolve domain to multiple addresses

And warn instead of failling when a domain can't be resolved
This commit is contained in:
Trinity Pointard 2021-03-18 21:04:30 +01:00
parent c8a7ce5cdf
commit f17cb6c969

View file

@ -90,14 +90,21 @@ where
{ {
use std::net::ToSocketAddrs; use std::net::ToSocketAddrs;
let mut res = vec![]; Ok(<Vec<&str>>::deserialize(deserializer)?
for s in <Vec<&str>>::deserialize(deserializer)? { .iter()
res.push( .filter_map(|&name| {
s.to_socket_addrs() name.to_socket_addrs()
.map_err(|_| de::Error::custom("could not resolve to a socket address"))? .map(|iter| (name, iter))
.next() .map_err(|_| warn!("Error resolving \"{}\"", name))
.ok_or(de::Error::custom("could not resolve to a socket address"))?, .ok()
); })
.map(|(name, iter)| {
let v = iter.collect::<Vec<_>>();
if v.is_empty() {
warn!("Error resolving \"{}\"", name)
} }
Ok(res) v
})
.flatten()
.collect())
} }