feat: add socket2

__network/socket2/src/main.rs

@@ -0,0 +1,26 @@
+use std::thread;
+use std::time::Duration;
+use std::net::SocketAddr;
+use socket2::{Socket, Domain, Type};
+
+fn main() {
+    loop {
+      // create a TCP listener bound to two addresses
+      let socket = Socket::new(Domain::ipv6(), Type::stream(), None).unwrap();
+      
+      socket.bind(&"[::1]:12345".parse::<SocketAddr>().unwrap().into()).unwrap();
+      // socket.set_only_v6(false).unwrap();
+      socket.listen(128).unwrap();
+      
+      let listener = socket.into_tcp_listener();
+      println!("Listening ...");
+      let (tcp_stream, socket_address) = listener.accept().unwrap();
+
+      println!("{:?}", socket_address);
+      println!("{:?}", tcp_stream);
+
+      drop(listener);
+      println!("Sleeping ...");
+      thread::sleep(Duration::from_secs(10));
+    }
+}