Update example for new API.

Signed-off-by: Alexey Galakhov <agalakhov@snapview.de>

examples/client.rs

@@ -18,16 +18,14 @@ extern crate url;
 
 use std::env;
 use std::io::{self, Read, Write};
-use std::net::ToSocketAddrs;
 use std::thread;
 
 use futures::sync::mpsc;
 use futures::{Future, Sink, Stream};
-use tokio_core::net::TcpStream;
 use tokio_core::reactor::Core;
 use tungstenite::protocol::Message;
 
-use tokio_tungstenite::client_async;
+use tokio_tungstenite::connect_async;
 
 fn main() {
     // Specify the server address to which the client will be connecting.
@@ -35,14 +33,11 @@ fn main() {
         panic!("this program requires at least one argument")
     });
 
-    // Get a first IP address of the server from the server URL.
     let url = url::Url::parse(&connect_addr).unwrap();
-    let addr = url.to_socket_addrs().unwrap().next().unwrap();
 
     // Create the event loop and initiate the connection to the remote server.
     let mut core = Core::new().unwrap();
     let handle = core.handle();
-    let tcp = TcpStream::connect(&addr, &handle);
 
     // Right now Tokio doesn't support a handle to stdin running on the event
     // loop, so we farm out that work to a separate thread. This thread will
@@ -68,8 +63,7 @@ fn main() {
     // finishes. If we don't have any more data to read or we won't receive any
     // more work from the remote then we can exit.
     let mut stdout = io::stdout();
-    let client = tcp.and_then(|stream| {
+    let client = connect_async(url, handle.remote().clone()).and_then(|ws_stream| {
-        client_async(url, stream).and_then(|ws_stream| {
         println!("WebSocket handshake has been successfully completed");
 
         // `sink` is the stream of messages going out.
@@ -91,7 +85,6 @@ fn main() {
     }).map_err(|e| {
         println!("Error during the websocket handshake occurred: {}", e);
         io::Error::new(io::ErrorKind::Other, e)
-        })
     });
 
     // And now that we've got our client, we execute it in the event loop!