simplify addresse deserialialiser and limit allocations
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ae3b7029a9
commit
81e9db783f
@ -1,4 +1,3 @@
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use std::fmt;
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use std::io::Read;
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use std::net::SocketAddr;
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use std::path::PathBuf;
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@ -92,28 +91,13 @@ fn deserialize_addr<'de, D>(deserializer: D) -> Result<SocketAddr, D::Error>
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where
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D: de::Deserializer<'de>,
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{
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struct AddrVisitor;
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impl<'de> de::Visitor<'de> for AddrVisitor {
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type Value = SocketAddr;
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fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
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formatter.write_str("a string representing a socket address")
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}
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fn visit_str<E>(self, s: &str) -> Result<Self::Value, E>
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where
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E: de::Error,
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{
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use std::net::ToSocketAddrs;
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s.to_socket_addrs()
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<&str>::deserialize(deserializer)?
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.to_socket_addrs()
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.map_err(|_| de::Error::custom("could not resolve to a socket address"))?
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.next()
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.ok_or(de::Error::custom("could not resolve to a socket address"))
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}
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}
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deserializer.deserialize_any(AddrVisitor)
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}
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fn deserialize_vec_addr<'de, D>(deserializer: D) -> Result<Vec<SocketAddr>, D::Error>
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@ -123,7 +107,7 @@ where
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use std::net::ToSocketAddrs;
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let mut res = vec![];
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for s in <Vec<String>>::deserialize(deserializer)? {
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for s in <Vec<&str>>::deserialize(deserializer)? {
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res.push(
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s.to_socket_addrs()
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.map_err(|_| de::Error::custom("could not resolve to a socket address"))?
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