Quick refactor, project structure

src/client.rs

@@ -0,0 +1,98 @@
+use std::sync::Arc;
+
+use tokio::sync::Mutex;
+use futures::{
+    select,
+    FutureExt,
+};
+
+
+use hexland_server::{
+    GlobalState,
+    Channel,
+    channel_pair,
+    GameController,
+    message::{Message, MessageWebSocket},
+    msg,
+};
+
+
+pub struct Client {
+    global_state: Arc<GlobalState>,
+    ws: MessageWebSocket,
+    channel: Option<Channel>,
+}
+
+impl Client {
+    pub fn new(ws: MessageWebSocket, global_state: Arc<GlobalState>) -> Self {
+        Client {
+            global_state,
+            ws,
+            channel: None
+        }
+    }
+    pub async fn run(&mut self) {
+        loop {
+            match &mut self.channel {
+                Some(channel) => {
+                    select! {
+                        msg = channel.rx.recv().fuse() =>
+                            self.handle_server_msg(msg.unwrap()).await,
+                        msg = self.ws.next().fuse() =>
+                            self.handle_client_msg(msg.unwrap()).await,
+                    };
+                }
+                None => {
+                    let msg = self.ws.next().await;
+                    self.handle_client_msg(msg.unwrap()).await;
+                }
+            }
+        }
+    }
+    async fn handle_client_msg(&mut self, msg: Message) {
+        match msg.command.as_str() {
+            "HOST" => {
+                let room_code = self.global_state.code_generator.lock().await.generate();
+                let mut game_controller = GameController::default();
+
+                let (client_channel, server_channel) = channel_pair();
+                self.channel = Some(client_channel);
+                game_controller.channels.push(server_channel);
+
+                let game_controller = Arc::new(Mutex::new(game_controller));
+                self.global_state.rooms.lock().await.insert(room_code.clone(), Arc::clone(&game_controller));
+                tokio::spawn(async move {game_loop(game_controller)});
+                self.ws.send(msg!("ROOM_CODE", room_code)).await.unwrap();
+            }
+            "JOIN" => {
+                let room_code = &msg.args[0];
+                let rooms = self.global_state.rooms.lock().await;
+                let room = rooms.get(room_code);
+
+                match room {
+                    Some(room) => {
+                        let mut room = room.lock().await;
+                        let (client_channel, server_channel) = channel_pair();
+                        self.channel = Some(client_channel);
+                        room.channels.push(server_channel);
+                        self.ws.send(msg!("JOIN_OK")).await.unwrap();
+                    }
+                    None => {
+                        self.ws.send(msg!("JOIN_INVALID")).await.unwrap();
+                    }
+                }
+            }
+            _ => if let Some(channel) = &self.channel {
+                // Forward message to the server
+                channel.tx.send(msg).await.unwrap();
+            }
+        }
+    }
+    async fn handle_server_msg(&mut self, _msg: Message) {
+        todo!();
+    }
+}
+
+fn game_loop(_gc: Arc<Mutex<GameController>>) {
+    todo!();
+}

src/lib.rs

@@ -0,0 +1,36 @@
+use std::{
+    collections::HashMap,
+    sync::Arc,
+};
+
+use tokio::sync::{Mutex, mpsc};
+
+pub mod message;
+use message::{Message};
+mod code_generator;
+use code_generator::CodeGenerator;
+
+#[derive(Default)]
+pub struct GlobalState {
+    pub code_generator: Arc<Mutex<CodeGenerator>>,
+    pub rooms: Arc<Mutex<HashMap<String, Arc<Mutex<GameController>>>>>,
+}
+
+pub struct Channel {
+    pub tx: mpsc::Sender<Message>,
+    pub rx: mpsc::Receiver<Message>,
+}
+
+pub fn channel_pair() -> (Channel, Channel) {
+    let (atx, brx) = mpsc::channel(32);
+    let (btx, arx) = mpsc::channel(32);
+    (
+        Channel { tx: atx, rx: arx },
+        Channel { tx: btx, rx: brx },
+    )
+}
+
+#[derive(Default)]
+pub struct GameController {
+    pub channels: Vec<Channel>,
+}

src/main.rs

@@ -1,23 +1,17 @@
 use std::{
     sync::Arc,
     io::Error as IoError,
-    collections::HashMap,
 };
 
 use tokio::{
     net::{TcpListener},
-    sync::{mpsc, Mutex},
 };
 
-use futures::{
-    select,
-    FutureExt,
-};
+use hexland_server::GlobalState;
+use hexland_server::message::MessageWebSocket;
 
-mod message;
-use message::{Message, MessageWebSocket};
-mod code_generator;
-use code_generator::CodeGenerator;
+mod client;
+use client::Client;
 
 #[tokio::main]
 async fn main() -> Result<(), IoError> {
@@ -31,118 +25,14 @@ async fn main() -> Result<(), IoError> {
     // Accept all incoming connections
     while let Ok((stream, addr)) = listener.accept().await {
         let global_state = Arc::clone(&global_state);
-        let mut local_state = LocalState::default();
         tokio::spawn(async move {
             // Upgrade to a WS connection
-            let mut ws = MessageWebSocket(tokio_tungstenite::accept_async(stream)
+            let ws = MessageWebSocket(tokio_tungstenite::accept_async(stream)
                                           .await
                                           .expect("Could not establish connection"));
             println!("Connected to {}", addr);
-
-            loop {
-                match &mut local_state.channel {
-                    Some(channel) => {
-                        select! {
-                            msg = channel.rx.recv().fuse() =>
-                                handle_server_msg(msg.unwrap(), &mut local_state, &mut ws).await,
-                            msg = ws.next().fuse() =>
-                                handle_client_msg(msg.unwrap(), &global_state, &mut local_state, &mut ws).await,
-                        };
-                    }
-                    None => {
-                        let msg = ws.next().await;
-                        handle_client_msg(msg.unwrap(), &global_state, &mut local_state, &mut ws).await;
-                    }
-                }
-            }
+            Client::new(ws, global_state).run().await;
         });
     }
     Ok(())
 }
-
-async fn handle_client_msg(
-    msg: Message,
-    global_state: &GlobalState,
-    local_state: &mut LocalState,
-    ws: &mut MessageWebSocket
-) {
-    match msg.command.as_str() {
-        "HOST" => {
-            let room_code = global_state.code_generator.lock().await.generate();
-            let mut game_controller = GameController::default();
-
-            let [client_channel, server_channel] = channel_pair();
-            local_state.channel = Some(client_channel);
-            game_controller.channels.push(server_channel);
-
-            let game_controller = Arc::new(Mutex::new(game_controller));
-            global_state.rooms.lock().await.insert(room_code.clone(), Arc::clone(&game_controller));
-            tokio::spawn(async move {game_loop(game_controller)});
-            ws.send(msg!("ROOM_CODE", room_code)).await.unwrap();
-        }
-        "JOIN" => {
-            let room_code = &msg.args[0];
-            let rooms = global_state.rooms.lock().await;
-            let room = rooms.get(room_code);
-
-            match room {
-                Some(room) => {
-                    let mut room = room.lock().await;
-                    let [client_channel, server_channel] = channel_pair();
-                    local_state.channel = Some(client_channel);
-                    room.channels.push(server_channel);
-                    ws.send(msg!("JOIN_OK")).await.unwrap();
-                }
-                None => {
-                    ws.send(msg!("JOIN_INVALID")).await.unwrap();
-                }
-            }
-        }
-        _ => if let Some(channel) = &local_state.channel {
-            // Forward message to the server
-            channel.tx.send(msg).await;
-        }
-    }
-}
-
-async fn handle_server_msg(
-    msg: Message,
-    local_state: &mut LocalState,
-    ws: &mut MessageWebSocket
-) {
-    todo!();
-}
-
-fn game_loop(game_controller: Arc<Mutex<GameController>>) {
-    todo!();
-}
-
-#[derive(Default)]
-struct GlobalState {
-    code_generator: Arc<Mutex<CodeGenerator>>,
-    rooms: Arc<Mutex<HashMap<String, Arc<Mutex<GameController>>>>>,
-}
-
-#[derive(Default)]
-struct GameController {
-    channels: Vec<Channel>,
-}
-
-#[derive(Default)]
-struct LocalState {
-    channel: Option<Channel>,
-}
-
-struct Channel {
-    tx: mpsc::Sender<Message>,
-    rx: mpsc::Receiver<Message>,
-}
-
-fn channel_pair() -> [Channel; 2] {
-    let (atx, brx) = mpsc::channel(32);
-    let (btx, arx) = mpsc::channel(32);
-    [
-        Channel { tx: atx, rx: arx },
-        Channel { tx: btx, rx: brx },
-    ]
-}