Fix #350

CHANGELOG.md

@@ -6,6 +6,7 @@ This project follows [semantic versioning](http://semver.org).
 
 - [changed] Changed Rust version to 1.73.0
 - [changed] Updated dependencies
+- [fixed] Fix error when IPv6 is not available
 
 ### v2.3.0 (2021-12-23)
 

src/net.rs

@@ -22,7 +22,7 @@ pub fn mapped_addr(addr: SocketAddr) -> SocketAddr {
 }
 
 pub fn get_ip() -> IpAddr {
-    let s = UdpSocket::bind("[::]:0").unwrap();
+    let s = UdpSocket::bind("0.0.0.0:0").unwrap();
     s.connect("8.8.8.8:0").unwrap();
     s.local_addr().unwrap().ip()
 }