defmt: add impl for core::net

CHANGELOG.md

@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [Unreleased]
 
+- [#733]: `defmt`: Add formatting for `core::net` with the `ip_in_core` feature
+
+[#733]: https:/knurling-rs/defmt/pull/733
+
 ## defmt-decoder v0.3.4, defmt-print v0.3.4
 
 - [#729]: Release `defmt-decoder v0.3.4`, `defmt-print v0.3.4`

defmt/Cargo.toml

@@ -19,6 +19,7 @@ version = "0.3.2"
 
 [features]
 alloc = []
+ip_in_core = []
 
 # Encoding feature flags. These should only be set by end-user crates, not by library crates.
 #

defmt/src/impls/core_/mod.rs

@@ -8,6 +8,8 @@
 mod alloc_;
 mod array;
 mod cell;
+#[cfg(feature = "ip_in_core")]
+mod net;
 mod num;
 mod ops;
 mod slice;

defmt/src/impls/core_/net.rs

@@ -0,0 +1,69 @@
+use core::net;
+
+use super::*;
+
+impl Format for net::AddrParseError {
+ fn format(&self, fmt: Formatter) {
+ crate::write!(fmt, "AddrParseError(_)");
+ }
+}
+
+impl Format for net::Ipv4Addr {
+ fn format(&self, fmt: Formatter) {
+ crate::write!(
+ fmt,
+ "{}.{}.{}.{}",
+ self.octets()[0],
+ self.octets()[1],
+ self.octets()[2],
+ self.octets()[3]
+ );
+ }
+}
+
+impl Format for net::SocketAddrV4 {
+ fn format(&self, fmt: Formatter) {
+ crate::write!(fmt, "{}:{}", self.ip(), self.port());
+ }
+}
+
+impl Format for net::Ipv6Addr {
+ fn format(&self, fmt: Formatter) {
+ crate::write!(
+ fmt,
+ "{:x}:{:x}:{:x}:{:x}:{:x}:{:x}:{:x}:{:x}",
+ self.octets()[0],
+ self.octets()[1],
+ self.octets()[2],
+ self.octets()[3],
+ self.octets()[4],
+ self.octets()[5],
+ self.octets()[6],
+ self.octets()[7]
+ );
+ }
+}
+
+impl Format for net::SocketAddrV6 {
+ fn format(&self, fmt: Formatter) {
+ crate::write!(fmt, "[{}]:{}", self.ip(), self.port());
+ }
+}
+
+impl Format for net::IpAddr {
+ fn format(&self, fmt: Formatter) {
+ match self {
+ net::IpAddr::V4(a) => crate::write!(fmt, "{}", a),
+ net::IpAddr::V6(a) => crate::write!(fmt, "{}", a),
+ }
+ }
+}
+
+impl Format for net::SocketAddr {
+ fn format(&self, fmt: Formatter) {
+ match self {
+ net::SocketAddr::V4(a) => crate::write!(fmt, "{}", a),
+ net::SocketAddr::V6(a) => crate::write!(fmt, "{}", a),
+ }
+ }
+}

defmt/src/lib.rs

@@ -14,6 +14,7 @@
 // NOTE if you change this URL you'll also need to update all other crates in this repo
 #![doc(html_logo_url = "https://knurling.ferrous-systems.com/knurling_logo_light_text.svg")]
 #![warn(missing_docs)]
+#![cfg_attr(feature = "ip_in_core", feature(ip_in_core))]
 
 #[cfg(feature = "alloc")]
 extern crate alloc;