Merge pull request #16 from chertov/feature-reuse-port

Add reuse_port cargo feature

Author: metaclips

crates/mdns/Cargo.toml

@@ -11,6 +11,10 @@ repository = "https://github.com/webrtc-rs/mdns"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
+[features]
+default = [ "reuse_port" ]
+reuse_port = []
+
 [dependencies]
 util = { package = "webrtc-util", version = "0.1.18" }
 lazy_static = "1.3.0"

crates/mdns/src/conn/mod.rs

@@ -56,6 +56,7 @@ impl DnsConn {
             Some(socket2::Protocol::UDP),
         )?;
 
+        #[cfg(feature = "reuse_port")]
         #[cfg(target_family = "unix")]
         socket.set_reuse_port(true)?;