main.rs: Copy UdpSocket example to test out sockets

Copies the example given at
https://doc.rust-lang.org/std/net/struct.UdpSocket.html to experiment
with receiving and sending data over the socket.

1 files changed, 19 insertions, 1 deletions

diff --git a/src/main.rs b/src/main.rs
index e7a11a9..f803e1d 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,3 +1,21 @@
+use std::net::UdpSocket;
+use std::io;
+
+fn make_socket() -> io::Result<()> {
+    let mut socket = try!(UdpSocket::bind("127.0.0.1:34254"));
+
+    // read from the socket
+    let mut buf = [0; 10];
+    let (amt, src) = try!(socket.recv_from(&mut buf));
+
+    // send a reply to the socket we received data from
+    let buf = &mut buf[..amt];
+    buf.reverse();
+    try!(socket.send_to(buf, &src));
+
+    Ok(())
+}
+
 fn main() {
-    println!("Hello, world!");
+    make_socket();
 }