shitty user direct messaging and user handler task

server/src/lib.rs

@@ -1,6 +1,8 @@
 #![feature(if_let_guard)]
 
+use crate::mpsc::Sender;
 use anyhow::{Context, Result};
+use axum::extract::ws::Message;
 use lib::*;
 use rand::prelude::IteratorRandom;
 use rand::prelude::SliceRandom;
@@ -13,7 +15,7 @@ use std::{
     net::SocketAddr,
     sync::{Arc, RwLock},
 };
-use tokio::sync::broadcast;
+use tokio::sync::{broadcast, mpsc};
 pub mod websocket;
 
 /// User
@@ -351,9 +353,16 @@ pub fn load_names(path: &str) -> Result<Vec<String>> {
     Ok(buf)
 }
 
+#[derive(Debug)]
+pub struct NewUser {
+    pub sender: Sender<Message>,
+    pub addr: SocketAddr,
+}
+
 // Our shared state
 pub struct AppState {
     pub tx: broadcast::Sender<String>,
+    pub users_tx: mpsc::Sender<NewUser>,
     pub first_names: Vec<String>,
     pub last_names: Vec<String>,
     pub reserved_names: RwLock<HashSet<String>>,

server/src/main.rs

@@ -1,5 +1,8 @@
+use crate::meta::*;
+use crate::user::*;
 use crate::websocket::*;
 use anyhow::{Context, Result};
+use axum::extract::ws::Message;
 use axum::{routing::get, Router};
 use server::*;
 use std::{
@@ -7,7 +10,7 @@ use std::{
     net::SocketAddr,
     sync::{Arc, RwLock},
 };
-use tokio::sync::broadcast;
+use tokio::sync::{broadcast, mpsc};
 use tower_http::services::ServeDir;
 use tracing_subscriber::{layer::SubscriberExt, util::SubscriberInitExt};
 
@@ -24,6 +27,7 @@ async fn main() -> Result<()> {
 
     // Set up state
     let (tx, _rx) = broadcast::channel(100);
+    let (users_tx, mut users_rx) = mpsc::channel(100);
     let first_names = load_names("data/first.txt")?;
     let last_names = load_names("data/last.txt")?;
     let reserved_names = RwLock::new(HashSet::<String>::new());
@@ -34,6 +38,7 @@ async fn main() -> Result<()> {
 
     let app_state = Arc::new(AppState {
         tx,
+        users_tx,
         first_names,
         last_names,
         reserved_names,
@@ -44,6 +49,75 @@ async fn main() -> Result<()> {
         games,
     });
 
+    let cloned_state = app_state.clone();
+
+    let _user_handler = tokio::spawn(async move {
+        while let Some(message) = users_rx.recv().await {
+            //
+            // Create, Register, and Hydrate new user
+            //
+            // Create
+            let new_user = Arc::new(RwLock::new(User::new(&cloned_state)));
+
+            // Notify client of new username
+            message
+                .sender
+                .send(Message::Text(user_client_self_update(&new_user)))
+                .await
+                .unwrap();
+
+            // Register using `addr` as key until something longer lived exists
+            cloned_state
+                .online_users
+                .write()
+                .unwrap()
+                .insert(message.addr, new_user.clone());
+
+            // Hydrate client
+            // this should probably be combined and sent as one
+            message
+                .sender
+                .send(Message::Text(meta_chat_update(&cloned_state)))
+                .await
+                .unwrap();
+            message
+                .sender
+                .send(Message::Text(meta_motd()))
+                .await
+                .unwrap();
+            message
+                .sender
+                .send(Message::Text(meta_server_summary_update(&cloned_state)))
+                .await
+                .unwrap();
+            message
+                .sender
+                .send(Message::Text(meta_games_browser_update(&cloned_state)))
+                .await
+                .unwrap();
+            message
+                .sender
+                .send(Message::Text(meta_new_game_card_packs(&cloned_state)))
+                .await
+                .unwrap();
+
+            // Broadcast new user's existence
+            // this should probably be combined and sent as one
+            let _ = &cloned_state
+                .tx
+                .send(meta_announce_user_join(&cloned_state, &message.addr))
+                .unwrap();
+            let _ = &cloned_state
+                .tx
+                .send(meta_server_summary_update(&cloned_state))
+                .unwrap();
+            let _ = &cloned_state
+                .tx
+                .send(meta_chat_update(&cloned_state))
+                .unwrap();
+        }
+    });
+
     // Router
     let app = Router::new()
         .route("/websocket", get(websocket_connection_handler))

server/src/websocket.rs

@@ -1,8 +1,8 @@
 use crate::websocket::meta::*;
-use crate::websocket::user::*;
 use crate::AppState;
 use crate::Game;
 use crate::NewGameManifest;
+use crate::NewUser;
 use anyhow::Result;
 use axum::extract::ws::CloseFrame;
 use axum::{
@@ -19,7 +19,7 @@ use std::{
     net::SocketAddr,
     sync::{Arc, RwLock},
 };
-use tokio::sync::broadcast::Sender;
+use tokio::sync::{broadcast::Sender, mpsc};
 pub mod meta;
 pub mod user;
 
@@ -39,19 +39,31 @@ pub async fn websocket_on_connection(stream: WebSocket, state: Arc<AppState>, ad
     // Split channels to send and receive asynchronously.
     let (mut sender, mut receiver) = stream.split();
 
-    // Set up new user
-    user_handle_new(&mut sender, &state, &addr)
-        .await
-        .expect("Error creating new user!");
+    let (dm_tx, mut dm_rx) = mpsc::channel(30);
+
+    let _ = state
+        .users_tx
+        .send(NewUser {
+            sender: dm_tx,
+            addr,
+        })
+        .await;
 
     // Subscribe to receive from global broadcast channel
     let mut rx = state.tx.subscribe();
 
     // Send messages to this client
     let mut send_task = tokio::spawn(async move {
-        while let Ok(msg) = rx.recv().await {
-            if sender.send(Message::Text(msg)).await.is_err() {
-                break;
+        loop {
+            while let Ok(msg) = rx.recv().await {
+                if sender.send(Message::Text(msg)).await.is_err() {
+                    break;
+                }
+            }
+            while let Some(message) = dm_rx.recv().await {
+                if sender.send(message).await.is_err() {
+                    break;
+                }
             }
         }
     });

server/src/websocket/user.rs

@@ -1,13 +1,6 @@
-use crate::websocket::meta::*;
-use crate::AppState;
 use crate::User;
-use anyhow::Result;
-use axum::extract::ws::{Message, WebSocket};
-use futures::stream::SplitSink;
-use futures::SinkExt;
 use lib::*;
 use serde_json::to_string;
-use std::net::SocketAddr;
 use std::sync::Arc;
 use std::sync::RwLock;
 
@@ -18,43 +11,3 @@ pub fn user_client_self_update(new_user: &Arc<RwLock<User>>) -> String {
     })
     .unwrap()
 }
-
-/// Create, Register, and Hydrate new user
-pub async fn user_handle_new(
-    sender: &mut SplitSink<WebSocket, Message>,
-    state: &Arc<AppState>,
-    addr: &SocketAddr,
-) -> Result<()> {
-    // Create
-    let new_user = Arc::new(RwLock::new(User::new(state)));
-
-    // Notify client of new username
-    sender
-        .send(Message::Text(user_client_self_update(&new_user)))
-        .await?;
-
-    // Register using `addr` as key until something longer lived exists
-    state.online_users.write().unwrap().insert(*addr, new_user);
-
-    // Hydrate client
-    // this should probably be combined and sent as one
-    sender.send(Message::Text(meta_chat_update(state))).await?;
-    sender.send(Message::Text(meta_motd())).await?;
-    sender
-        .send(Message::Text(meta_server_summary_update(state)))
-        .await?;
-    sender
-        .send(Message::Text(meta_games_browser_update(state)))
-        .await?;
-    sender
-        .send(Message::Text(meta_new_game_card_packs(state)))
-        .await?;
-
-    // Broadcast new user's existence
-    // this should probably be combined and sent as one
-    state.tx.send(meta_announce_user_join(state, addr))?;
-    state.tx.send(meta_server_summary_update(state))?;
-    state.tx.send(meta_chat_update(state))?;
-
-    Ok(())
-}