src/client.rs

@@ -9,29 +9,23 @@ pub async fn client <I : Iterator <Item=String>> (mut args: I) -> Result <(), Ap
 	use rand::RngCore;
 	
 	let common_params = app_common::Params::default ();
-	let mut bind_addrs = vec! [];
+	let mut bind_addr = "0.0.0.0".to_string ();
 	
 	while let Some (arg) = args.next () {
 		match arg.as_str () {
 			"--bind-addr" => {
-				bind_addrs.push (match args.next () {
+				bind_addr = match args.next () {
 					None => return Err (CliArgError::MissingArgumentValue (arg).into ()),
-					Some (x) => Ipv4Addr::from_str (&x)?
-				});
+					Some (x) => x
+				};
 			},
 			_ => return Err (CliArgError::UnrecognizedArgument (arg).into ()),
 		}
 	}
 	
-	if bind_addrs.is_empty () {
-		bind_addrs = get_ips ()?;
-	}
+	let socket = UdpSocket::bind (&format! ("{}:0", bind_addr)).await?;
 	
-	let socket = UdpSocket::bind (SocketAddrV4::new (Ipv4Addr::UNSPECIFIED, 0)).await?;
-	
-	for bind_addr in bind_addrs {
-		socket.join_multicast_v4 (common_params.multicast_addr, bind_addr)?;
-	}
+	socket.join_multicast_v4 (common_params.multicast_addr, Ipv4Addr::from_str (&bind_addr)?)?;
 	
 	let mut idem_id = [0u8; 8];
 	rand::thread_rng ().fill_bytes (&mut idem_id);

src/server.rs

@@ -12,13 +12,28 @@ pub async fn server <I: Iterator <Item=String>> (args: I) -> Result <(), AppErro
 {
 	let params = configure (args)?;
 	
-	let socket = UdpSocket::bind (SocketAddrV4::new (Ipv4Addr::UNSPECIFIED, params.common.server_port)).await?;
+	// This was too hard to do in a functional style
+	let mut tasks = vec! [];
 	
 	for bind_addr in &params.bind_addrs {
+		let socket = match UdpSocket::bind (SocketAddrV4::new (Ipv4Addr::UNSPECIFIED, params.common.server_port)).await {
+			Err (e) => {
+				println! ("Error binding socket: {:?}", e);
+				continue;
+			},
+			Ok (x) => x,
+		};
+		
 		socket.join_multicast_v4 (params.common.multicast_addr, *bind_addr)?;
+		
+		dbg! (bind_addr);
+		
+		tasks.push (tokio::spawn (serve_interface (params.clone (), socket)));
 	}
 	
-	serve_interface (params, socket).await?;
+	for task in tasks {
+		task.await??;
+	}
 	
 	Ok (())
 }
@@ -53,7 +68,7 @@ fn configure <I: Iterator <Item=String>> (mut args: I) -> Result <Params, AppErr
 	}
 	
 	if bind_addrs.is_empty () {
-		println! ("No bind addresses given, auto-detecting all local IPs");
+		println! ("No bind addresses found, auto-detecting all local IPs");
 		bind_addrs = get_ips ()?;
 	}
 	
@@ -65,10 +80,7 @@ fn configure <I: Iterator <Item=String>> (mut args: I) -> Result <Params, AppErr
 	})
 }
 
-async fn serve_interface (
-	params: Params, 
-	socket: UdpSocket,
-) 
+async fn serve_interface (params: Params, socket: UdpSocket) 
 -> Result <(), AppError>
 {
 	let mut recent_idem_ids = Vec::with_capacity (32);