Support requets to domain names in example http_server #2513
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A
String
authority will be converted toSocketAddr
(https://docs.rs/tokio/1.5.0/tokio/net/trait.ToSocketAddrs.html) via under-the-hood DNS lookups. The proxy only needs to check whether the authority part exists (the uri is an absolute uri) to support requests to domain names. This would make the example even more useful.Another change I packed into this PR is to slightly simplify the
tunnel
method usingtokio::io::copy_bidirectional
. I'm open for objections if this introduces some side effects that I'm unware of.