Cargo.toml

@@ -5,16 +5,15 @@ authors = ["Hamcha <hamcha@crunchy.rocks>"]
 edition = "2018"
 
 [dependencies]
-async-std = { version = "1.6", features = ["unstable"] }
+tungstenite = "0.11"
-async-tungstenite = "0.8"
+shipyard = { version = "0.4", features = ["parallel", "serde"] }
 config = "0.10"
-env_logger = "0.7"
-futures-util = "0.3"
-log = { version = "0.4", features = ["std", "serde"] }
-rand = "0.7"
 serde = { version = "1", features = ["derive"] }
 serde_derive = "1"
-serde_json = "1"
+tokio = { version = "0.2", features = ["full"] }
-shipyard = { version = "0.4", features = ["parallel", "serde"] }
+tokio-tungstenite = "0.11"
-tungstenite = "0.11"
+futures-util = { version = "0.3", default-features = false, features = ["async-await", "sink", "std"] }
-ultraviolet = { version = "0.7", features = [ "f64", "int", "serde" ] }
+log = { version = "0.4", features = ["std", "serde"] }
+ultraviolet = { version = "0.7", features = [ "f64", "int", "serde" ] }
+env_logger = "0.7"
+actix = "0.10"

src/game.rs

@@ -1,44 +0,0 @@
-use crate::network::NetworkMessage;
-use async_std::sync::{Receiver, Sender};
-use shipyard::World;
-use std::collections::HashMap;
-
-// Minimum delay between updates, in milliseconds
-const MIN_UPDATE_MS: u64 = 10;
-
-pub struct Player {}
-
-pub struct Game {
-	world: World,
-	players: HashMap<usize, Player>,
-	net_out: Sender<NetworkMessage>,
-}
-
-impl Game {
-	pub fn new(net_out: Sender<NetworkMessage>) -> Self {
-		// Create world
-		let world = World::default();
-
-		// Create workload
-		world.add_workload("update").build();
-
-		Game {
-			world,
-			players: HashMap::new(),
-			net_out,
-		}
-	}
-
-	pub async fn read_loop(&self, net_in: Receiver<NetworkMessage>) {
-		loop {
-			let message = net_in.recv().await.expect("could not read from channel");
-			log::info!("Message received: {:?}", &message);
-			self.net_out
-				.send(NetworkMessage {
-					conn_id: message.conn_id,
-					data: tungstenite::Message::text("hello"),
-				})
-				.await;
-		}
-	}
-}

src/main.rs

@@ -1,33 +1,90 @@
 mod components;
 mod config;
-mod game;
-mod network;
 mod systems;
 
 use crate::config::Settings;
-use crate::game::Game;
+use actix::prelude::*;
-use crate::network::{listen, NetworkManager};
-use async_std::sync::Arc;
-use async_std::{sync::channel, task};
 use env_logger::Env;
+use log::info;
+use shipyard::World;
+use std::time::Duration;
+use tokio::net::{TcpListener, TcpStream};
+use tokio_tungstenite::WebSocketStream;
 
-async fn run() {
+// Minimum delay between updates, in milliseconds
+const MIN_UPDATE_MS: u64 = 10;
+
+struct Game {
+    world: World,
+}
+
+impl Actor for Game {
+    type Context = Context<Game>;
+
+    fn started(&mut self, ctx: &mut Self::Context) {
+        // Start update loop
+        ctx.run_interval(Duration::from_millis(MIN_UPDATE_MS), |game, _ctx| {
+            game.world.run_workload("update");
+        });
+    }
+}
+
+struct NetworkConnection {
+    stream: WebSocketStream<TcpStream>,
+}
+
+impl Actor for NetworkConnection {
+    type Context = Context<NetworkConnection>;
+
+    fn started(&mut self, _ctx: &mut Self::Context) {
+        //TODO Read
+    }
+}
+
+struct NetworkManager {}
+
+impl Actor for NetworkManager {
+    type Context = Context<NetworkManager>;
+}
+
+fn main() {
     let env = Env::default().filter_or("LOG_LEVEL", "info");
     env_logger::init_from_env(env);
 
     let settings = Settings::new().unwrap();
 
-    let (in_s, in_r) = channel(10);
+    let system = System::new("main");
-    let (out_s, out_r) = channel(10);
+    Game::create(|_ctx| {
+        // Create world
+        let world = World::default();
 
-    let game = Arc::new(Game::new(out_s));
+        // Create workload
-    task::spawn(async move {
+        world.add_workload("update").build();
-        game.clone().read_loop(in_r).await;
+
+        Game { world }
     });
 
-    task::block_on(listen(settings.bind, in_s, out_r));
+    Arbiter::spawn(listen_websocket(settings.bind));
+
+    system.run().unwrap();
 }
 
-fn main() {
+async fn listen_websocket(bind: String) {
-    task::block_on(run());
+    let try_socket = TcpListener::bind(&bind).await;
+    let mut listener = try_socket.expect("Failed to bind");
+    info!("Listening on: {}", bind);
+
+    while let Ok((stream, _)) = listener.accept().await {
+        let addr = stream
+            .peer_addr()
+            .expect("connected streams should have a peer address");
+        info!("Peer address: {}", addr);
+
+        let stream = tokio_tungstenite::accept_async(stream)
+            .await
+            .expect("Error during the websocket handshake occurred");
+        info!("New WebSocket connection: {}", addr);
+
+        NetworkConnection::create(|_ctx| NetworkConnection { stream });
+    }
 }

src/network.rs

@@ -1,102 +0,0 @@
-use async_std::sync::Arc;
-use async_std::sync::Mutex;
-use std::collections::HashMap;
-
-use async_std::net::{SocketAddr, TcpListener, TcpStream};
-use async_std::sync::{Receiver, Sender};
-use async_std::task;
-use async_tungstenite::{accept_async, WebSocketStream};
-use futures_util::{stream::SplitSink, stream::SplitStream, SinkExt, StreamExt};
-
-#[derive(Debug)]
-pub struct NetworkMessage {
-	pub conn_id: usize,
-	pub data: tungstenite::Message,
-}
-
-struct Connection {
-	stream: SplitSink<WebSocketStream<TcpStream>, tungstenite::Message>,
-	conn_id: usize,
-}
-
-pub struct NetworkManager {
-	connections: HashMap<usize, Connection>,
-}
-
-impl NetworkManager {
-	pub fn new() -> Self {
-		NetworkManager {
-			connections: HashMap::new(),
-		}
-	}
-
-	fn register(&mut self, conn: Connection) {
-		self.connections.insert(conn.conn_id, conn);
-	}
-
-	async fn send(&self, message: NetworkMessage) {
-		let conn = self
-			.connections
-			.get(&message.conn_id)
-			.expect("cant send message to an unregistered connection");
-		conn.stream.send(message.data).await;
-	}
-}
-
-pub async fn listen(
-	net: Arc<NetworkManager>,
-	bind: String,
-	incoming: Sender<NetworkMessage>,
-	outgoing: Receiver<NetworkMessage>,
-) {
-	let network = Arc::new(Mutex::new(NetworkManager::new()));
-	let listener = TcpListener::bind(&bind).await.expect("Can't listen");
-	log::info!("Listening on: {}", bind);
-	task::spawn(write_loop(network.clone(), outgoing));
-	while let Ok((stream, _)) = listener.accept().await {
-		let peer = stream
-			.peer_addr()
-			.expect("connected streams should have a peer address");
-		log::info!("Peer address: {}", peer);
-		let conn = accept_connection(peer, stream, incoming.clone()).await;
-		network.lock().await.register(conn);
-	}
-}
-
-async fn accept_connection(
-	peer: SocketAddr,
-	stream: TcpStream,
-	incoming: Sender<NetworkMessage>,
-) -> Connection {
-	let conn_id = rand::random();
-	let ws_stream = accept_async(stream).await.expect("could not accept");
-	log::info!("New WebSocket connection: {}", peer);
-	let (ws_sender, ws_receiver) = ws_stream.split();
-	task::spawn(read_loop(ws_receiver, incoming, conn_id));
-	Connection {
-		stream: ws_sender,
-		conn_id,
-	}
-}
-
-async fn read_loop(
-	mut stream: SplitStream<WebSocketStream<TcpStream>>,
-	ch: Sender<NetworkMessage>,
-	conn_id: usize,
-) {
-	loop {
-		let data = stream
-			.next()
-			.await
-			.expect("failed getting the next message")
-			.expect("received error while reading");
-		ch.send(NetworkMessage { conn_id, data }).await;
-	}
-}
-
-async fn write_loop(net: Arc<Mutex<NetworkManager>>, ch: Receiver<NetworkMessage>) {
-	loop {
-		let msg = ch.recv().await.expect("failed to receive outgoing message");
-		net.lock().await.send(msg).await;
-	}
-}