use threads for websocket example

examples/websocket-chat/README.md

@@ -3,6 +3,12 @@
 This is extension of the 
 [actix chat example](https://github.com/fafhrd91/actix/tree/master/examples/chat)
 
+Added features:
+
+* Browser WebSocket client
+* Chat server runs in separate thread
+* Tcp listener runs in separate thread
+
 
 ## Server
 
@@ -10,6 +16,7 @@ Chat server listens for incoming tcp connections. Server can access several type
 
   * `\list` - list all available rooms
   * `\join name` - join room, if room does not exist, create new one
+  * `\name name` - set session name
   * `some message` - just string, send messsage to all peers in same room
   * client has to send heartbeat `Ping` messages, if server does not receive a heartbeat 
   message for 10 seconds connection gets droppped

examples/websocket-chat/src/main.rs

@@ -204,11 +204,17 @@ fn main() {
     let _ = env_logger::init();
     let sys = actix::System::new("websocket-example");
 
-    // Start chat server actor
-    let server: SyncAddress<_> = server::ChatServer::default().start();
+    // Start chat server actor in separate thread
+    let server: SyncAddress<_> =
+        Arbiter::start(|_| server::ChatServer::default());
 
-    // Start tcp server
-    session::TcpServer::new("127.0.0.1:12345", server.clone());
+    // Start tcp server in separate thread
+    let srv = server.clone();
+    Arbiter::new("tcp-server").send::<msgs::Execute>(
+        msgs::Execute::new(move || {
+            session::TcpServer::new("127.0.0.1:12345", srv);
+            Ok(())
+        }));
 
     // Websocket sessions state
     let state = WsChatSessionState { addr: server };