websocket protocol

Cargo.lock

@@ -201,9 +201,9 @@ dependencies = [
 
 [[package]]
 name = "anyhow"
-version = "1.0.89"
+version = "1.0.90"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "86fdf8605db99b54d3cd748a44c6d04df638eb5dafb219b135d0149bd0db01f6"
+checksum = "37bf3594c4c988a53154954629820791dde498571819ae4ca50ca811e060cc95"
 
 [[package]]
 name = "anymap2"
@@ -374,6 +374,7 @@ version = "0.1.0"
 dependencies = [
  "anyhow",
  "argon2",
+ "avam-protocol",
  "axum",
  "axum-extra",
  "axum-macros",
@@ -413,6 +414,7 @@ name = "avam-client"
 version = "0.1.0"
 dependencies = [
  "anyhow",
+ "avam-protocol",
  "base64 0.22.1",
  "clap",
  "config",
@@ -444,6 +446,17 @@ dependencies = [
  "winreg 0.52.0",
 ]
 
+[[package]]
+name = "avam-protocol"
+version = "0.1.0"
+dependencies = [
+ "anyhow",
+ "bincode",
+ "flate2",
+ "serde",
+ "thiserror",
+]
+
 [[package]]
 name = "avam-wasm"
 version = "0.1.0"
@@ -1665,6 +1678,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a1b589b4dc103969ad3cf85c950899926ec64300a1a46d76c03a6072957036f0"
 dependencies = [
  "crc32fast",
+ "libz-rs-sys",
  "miniz_oxide 0.8.0",
 ]
 
@@ -3391,6 +3405,15 @@ dependencies = [
  "x11",
 ]
 
+[[package]]
+name = "libz-rs-sys"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "009b9249eef9fd7f6bbc96969f38de54a10f6be687f6d0a2ed98c4e4dcdc566f"
+dependencies = [
+ "zlib-rs",
+]
+
 [[package]]
 name = "linear-map"
 version = "1.2.0"
@@ -7470,6 +7493,12 @@ dependencies = [
  "syn 2.0.79",
 ]
 
+[[package]]
+name = "zlib-rs"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b947c9af34afbf71a8ad64bedb8f3c26b562b1dad562218b265edd6f095731a"
+
 [[package]]
 name = "zune-core"
 version = "0.4.12"

Cargo.toml

@@ -1,5 +1,5 @@
 [workspace]
-members = [".", "avam-client", "avam-wasm"]
+members = [".", "avam-client", "avam-protocol", "avam-wasm"]
 resolver = "2"
 
 [package]
@@ -28,6 +28,8 @@ panic = "abort"
 hydrate = ["leptos/hydrate", "leptos_meta/hydrate", "leptos_router/hydrate"]
 
 ssr = [
+    "dep:avam-protocol",
+
     "dep:argon2",
 
     "dep:axum",
@@ -60,6 +62,7 @@ ssr = [
 ]
 
 [dependencies]
+avam-protocol = { path = "./avam-protocol", optional = true }
 # Utilities
 anyhow = { version = "1.0.89", optional = false }
 argon2 = { version = "0.5.3", optional = true }

avam-client/Cargo.toml

@@ -4,6 +4,7 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
+avam-protocol = { path = "../avam-protocol" }
 anyhow = { version = "1.0" }
 base64 = { version = "0.22.1", default-features = false }
 clap = { version = "4.5.20", features = ["derive"] }

avam-client/src/client.rs

@@ -1,90 +1,180 @@
-use std::{borrow::Cow, time::Duration};
+use std::time::Duration;
 
+use avam_protocol::{Packet, Packets, SimConnectPacket, SystemPacket};
 use futures_util::{SinkExt, StreamExt};
 use reqwest::StatusCode;
 use tokio::{
-    sync::broadcast::{Receiver, Sender},
+    sync::broadcast::{channel, Receiver, Sender},
-    time::sleep,
+    task::JoinSet,
+    time::{sleep, timeout},
 };
 use tokio_tungstenite::{
     connect_async,
     tungstenite::{
         self,
         protocol::{frame::coding::CloseCode, CloseFrame},
-        ClientRequestBuilder,
+        ClientRequestBuilder, Message,
     },
 };
 
-use crate::{state_machine::Event, BASE_URL};
+use crate::{config::Config, state_machine::Event, BASE_URL};
 
 pub async fn start(
+    config: Config,
+    simconnect_sender: Sender<SimConnectPacket>,
+    socket_receiver: Receiver<Packets>,
     event_sender: Sender<Event>,
     mut event_receiver: Receiver<Event>,
 ) -> Result<(), anyhow::Error> {
-    let mut writer = None;
-
     let uri: tungstenite::http::Uri = format!("{}/ws", BASE_URL.replace("https", "wss")).parse()?;
 
+    let mut futures = JoinSet::new();
+
+    let (ia_sender, ia_receiver) = channel(10);
     loop {
         if let Ok(event) = &event_receiver.try_recv() {
             match event {
-                Event::TokenReceived { token } => {
+                Event::TokenReceived => {
+                    let Some(token) = config.token() else {
+                        let _ = event_sender.send(Event::Logout);
+                        sleep(Duration::from_millis(100)).await;
+                        continue;
+                    };
+
                     let builder = ClientRequestBuilder::new(uri.clone())
                         .with_header("Authorization", format!("Bearer {}", token));
 
-                    let (socket, response) = connect_async(builder).await?;
+                    tracing::info!("Connecting");
+                    let Ok(Ok((socket, response))) =
+                        timeout(Duration::from_secs(10), connect_async(builder)).await
+                    else {
+                        tracing::error!("Unable to connect");
+                        let _ = event_sender.send(Event::Disconnected);
+                        sleep(Duration::from_millis(100)).await;
+                        continue;
+                    };
 
                     if response.status() != StatusCode::SWITCHING_PROTOCOLS {
-                        tracing::error!("{:#?}", response);
+                        tracing::error!("Unable to connect: {:#?}", response);
+                        let _ = event_sender.send(Event::Disconnected);
+                        sleep(Duration::from_millis(100)).await;
                         continue;
                     }
 
-                    let (write, mut read) = socket.split();
+                    let (mut write, mut read) = socket.split();
-                    writer = Some(write);
 
-                    tokio::spawn(async move {
+                    let mut ia_receiver: Receiver<Packets> = ia_receiver.resubscribe();
-                        let message = match read.next().await {
+                    futures.spawn(async move {
-                            Some(data) => match data {
+                        loop {
-                                Ok(message) => message,
+                            if let Ok(d) = ia_receiver.try_recv() {
-                                Err(e) => {
+                                let message = match d {
-                                    tracing::error!("{:?}", e);
+                                    Packets::System(SystemPacket::Close { reason }) => {
-                                    return;
+                                        Message::Close(Some(CloseFrame {
+                                            code: CloseCode::Normal,
+                                            reason: reason.into(),
+                                        }))
+                                    }
+                                    Packets::System(SystemPacket::Pong) => {
+                                        let Ok(encoded_message) = d.encode() else {
+                                            tracing::error!(
+                                                "Unable to encode message for sending: {:#?}",
+                                                d
+                                            );
+                                            sleep(Duration::from_millis(100)).await;
+                                            continue;
+                                        };
+                                        Message::Binary(encoded_message)
+                                    }
+                                    d => {
+                                        tracing::info!("sending packet: {:?}", &d);
+                                        let Ok(encoded_message) = d.encode() else {
+                                            tracing::error!(
+                                                "Unable to encode message for sending: {:#?}",
+                                                d
+                                            );
+                                            sleep(Duration::from_millis(100)).await;
+                                            continue;
+                                        };
+                                        Message::Binary(encoded_message)
+                                    }
+                                };
+
+                                match write.send(message).await {
+                                    Err(tungstenite::Error::AlreadyClosed) => break,
+                                    Err(e) => {
+                                        tracing::error!("Error writing to socket: {:?}", e);
+                                        break;
+                                    }
+                                    Ok(()) => {}
+                                };
+                            }
+                            sleep(Duration::from_millis(100)).await;
+                        }
+                    });
+
+                    let ias = ia_sender.clone();
+                    let es = event_sender.clone();
+                    let scs = simconnect_sender.clone();
+                    futures.spawn(async move {
+                        loop {
+                            let message = match read.next().await {
+                                Some(data) => match data {
+                                    Ok(message) => message,
+                                    Err(e) => {
+                                        tracing::error!("{:?}", e);
+                                        let _ = es.send(Event::Disconnected);
+                                        sleep(Duration::from_millis(100)).await;
+                                        continue;
+                                    }
+                                },
+                                None => break,
+                            };
+
+                            if let Ok(data) = Packets::decode(&message.into_data()) {
+                                if data == Packets::System(SystemPacket::Ping) {
+                                    let _ = ias.send(Packets::System(SystemPacket::Pong));
+                                    continue;
                                 }
-                            },
-                            None => return,
-                        };
 
-                        let data = message.to_text();
+                                // From Socket -> SimConnect
-                        tracing::debug!("{:?}", data);
+                                if let Packets::SimConnect(sim_connect_packet) = data {
+                                    tracing::info!("packet received: {:?}", &sim_connect_packet);
+                                    let _ = scs.send(sim_connect_packet);
+                                }
+                            }
+                            sleep(Duration::from_millis(100)).await;
+                        }
+                    });
+
+                    // Data from simconnect -> Socket
+                    let mut socket_receiver = socket_receiver.resubscribe();
+                    let ias = ia_sender.clone();
+                    futures.spawn(async move {
+                        loop {
+                            if let Ok(message) = socket_receiver.try_recv() {
+                                let _ = ias.send(message);
+                            }
+                            sleep(Duration::from_millis(100)).await;
+                        }
                     });
 
                     tracing::info!("Connected");
                     let _ = event_sender.send(Event::Connected);
                 }
                 Event::Logout => {
-                    if let Some(mut write) = writer {
+                    let _ = ia_sender.send(Packets::System(SystemPacket::Close {
-                        write
+                        reason: "User Logout".to_string(),
-                            .send(tungstenite::Message::Close(Some(CloseFrame {
+                    }));
-                                code: CloseCode::Normal,
+                    sleep(Duration::from_millis(200)).await;
-                                reason: Cow::from("User Logout"),
+                    futures.abort_all();
-                            })))
-                            .await?;
-                        writer = None;
-                        tracing::debug!("Disconnected");
-                        event_sender.send(Event::Disconnected)?;
-                    }
                 }
                 Event::Quit => {
                     tracing::info!("Shutting down Client");
-                    if let Some(mut write) = writer {
+                    let _ = ia_sender.send(Packets::System(SystemPacket::Close {
-                        write
+                        reason: "Quit".to_string(),
-                            .send(tungstenite::Message::Close(Some(CloseFrame {
+                    }));
-                                code: CloseCode::Normal,
+                    sleep(Duration::from_millis(200)).await;
-                                reason: Cow::from("Application Shutdown"),
+                    futures.abort_all();
-                            })))
-                            .await?;
-                        tracing::debug!("Disconnected");
-                    }
                     break;
                 }
                 _ => {}

avam-client/src/main.rs

@@ -18,7 +18,7 @@ use lock::Lock;
 use oauth::{start_code_listener, start_code_to_token};
 use pipe::Pipe;
 use state_machine::Event;
-use tokio::task::JoinSet;
+use tokio::{sync::broadcast::channel, task::JoinSet};
 use tracing::Level;
 use tracing_subscriber::{layer::SubscriberExt, util::SubscriberInitExt, Layer};
 
@@ -44,8 +44,7 @@ async fn main() -> Result<(), anyhow::Error> {
 
     init_logging()?;
 
-    // let (socket_sender, socket_receiver) = tokio::sync::broadcast::channel(1);
+    let (event_sender, event_receiver) = channel(10);
-    let (event_sender, event_receiver) = tokio::sync::broadcast::channel(10);
     let args = Arguments::parse();
 
     if handle_single_instance(&args).await? {
@@ -93,14 +92,21 @@ async fn main() -> Result<(), anyhow::Error> {
     let receiver = event_receiver.resubscribe();
     futures.spawn(start_code_to_token(c, pipe_receiver, sender, receiver));
 
+    // Prepare channels for socket <-> simconnect
+    let (simconnect_sender, __simconnect_receiver) = channel(10);
+    let (__socket_sender, socket_receiver) = channel(10);
+
     // Start the websocket client
-    // The socket client will just sit there until TokenReceivedEvent comes in to authenticate with the socket server
+    let c = config.clone();
-    // The server needs to not accept any messages until the authentication is verified
     let sender = event_sender.clone();
     let receiver = event_receiver.resubscribe();
-    futures.spawn(client::start(sender, receiver));
+    futures.spawn(client::start(
-
+        c,
-    // We need 2 way channels (2 channels, both with tx/rx) to send data from the socket to simconnect and back
+        simconnect_sender,
+        socket_receiver,
+        sender,
+        receiver,
+    ));
 
     // Start the simconnect listener
     // The simconnect sends data to the webscoket

avam-client/src/oauth.rs

@@ -106,7 +106,7 @@ pub async fn start_code_to_token(
 
                 config.set_token(Some(token.clone()))?;
 
-                event_sender.send(Event::TokenReceived { token })?;
+                event_sender.send(Event::TokenReceived)?;
             }
         }
     }

avam-client/src/simconnect.rs

@@ -1,8 +1,8 @@
-pub struct Client {
+pub struct SimConnect {
     // whatever we need
 }
 
-impl Client {
+impl SimConnect {
     pub fn new() -> Self {
         Self {
             // websocket receiver
@@ -25,5 +25,5 @@ impl Client {
 }
 
 pub async fn start() -> Result<(), anyhow::Error> {
-    Client::new().run().await?
+    SimConnect::new().run().await?
 }

avam-client/src/state_machine.rs

@@ -5,18 +5,15 @@ use tokio::{
     time::sleep,
 };
 
-use crate::{
+use crate::{config::Config, oauth};
-    config::Config,
-    models::{CodeChallengeMethod, CodeVerifier},
-    oauth,
-};
 
 #[derive(Debug, Clone, PartialEq)]
 pub enum State {
     Init,
     AppStart,
+    Shutdown,
     Authenticate,
-    Connect { token: String },
+    Connect,
     WaitForSim,
     InSim,
 }
@@ -24,8 +21,8 @@ pub enum State {
 #[derive(Debug, Clone, PartialEq)]
 pub enum Event {
     Ready,
-    StartAuthenticate,               // should not be string
+    StartAuthenticate, // should not be string
-    TokenReceived { token: String }, // AppStart and Authenticate can fire off TokenReceived to transition into Connect
+    TokenReceived, // AppStart and Authenticate can fire off TokenReceived to transition into Connect
     Connected, // Once connected to the socket, and properly authenticated, fire off Connected to transition to WaitForSim
     Disconnected, // If for whatever reason we're disconnected from the backend, we need to transition back to Connect
     SimConnected, // SimConnect is connected, we're in the world and ready to send data, transition to Running
@@ -42,16 +39,20 @@ impl State {
             (_, Event::Logout) => State::AppStart,
             (_, Event::StartAuthenticate) => Self::Authenticate, // Goto Authenticate
 
-            (_, Event::TokenReceived { token }) => State::Connect { token },
+            (_, Event::TokenReceived) => State::Connect,
 
             (_, Event::Connected) => State::WaitForSim, // Goto WaitForSim
 
-            (_, Event::SimConnected) => todo!(), // Goto InSim
+            (_, Event::Disconnected) => {
+                sleep(Duration::from_secs(5)).await; // wait 5 seconds before reconnecting
+                tracing::info!("Attempting reconnect");
+                State::AppStart // Goto Connect
+            }
 
-            (_, Event::Disconnected) => State::AppStart, // Goto Connect
+            (_, Event::SimConnected) => State::InSim, // Goto InSim
             (_, Event::SimDisconnected) => State::WaitForSim, // Goto WaitForSim
 
-            (_, Event::Quit) => todo!(), // All events can go into quit, to shutdown the application
+            (_, Event::Quit) => State::Shutdown, // All events can go into quit, to shutdown the application
         }
     }
 
@@ -59,10 +60,8 @@ impl State {
         match self {
             State::Init => Ok(()),
             State::AppStart => {
-                if let Some(token) = config.token() {
+                if config.token().is_some() {
-                    signal.send(Event::TokenReceived {
+                    signal.send(Event::TokenReceived)?;
-                        token: token.to_string(),
-                    })?;
                 } else {
                     signal.send(Event::StartAuthenticate)?;
                 }
@@ -75,12 +74,10 @@ impl State {
 
                 Ok(())
             }
-            State::Connect { .. } => Ok(()),
+            State::Connect => Ok(()),
-            State::WaitForSim => {
+            State::WaitForSim => Ok(()),
-                tracing::info!("Waiting for sim!");
-                Ok(())
-            }
             State::InSim => Ok(()),
+            State::Shutdown => Ok(()),
         }
     }
 }

avam-protocol/Cargo.toml

@@ -0,0 +1,11 @@
+[package]
+name = "avam-protocol"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+anyhow = "1.0.90"
+bincode = "1.3.3"
+flate2 = { version = "1.0.34", features = ["zlib-rs"] }
+serde = { version = "1.0.210", features = ["derive"] }
+thiserror = "1.0.64"

avam-protocol/src/lib.rs

@@ -0,0 +1,59 @@
+use serde::{de, Deserialize, Serialize};
+
+#[derive(Debug, Clone, PartialEq, Eq, Deserialize, Serialize)]
+pub enum SystemPacket {
+    Ping,
+    Pong,
+    Close { reason: String },
+}
+
+#[derive(Debug, Clone, PartialEq, Eq, Deserialize, Serialize)]
+pub enum SimConnectPacket {
+    // ..
+}
+
+#[derive(Debug, Clone, PartialEq, Eq, Deserialize, Serialize)]
+pub enum Packets {
+    System(SystemPacket),
+    SimConnect(SimConnectPacket),
+}
+
+impl Packet for Packets {}
+
+pub trait Packet: Serialize + de::DeserializeOwned + Sized {
+    fn encode(&self) -> Result<Vec<u8>, anyhow::Error> {
+        use flate2::write::GzEncoder;
+        use flate2::Compression;
+        use std::io::Write;
+
+        let encoded = bincode::serialize(&self)?;
+        let mut compressor = GzEncoder::new(Vec::new(), Compression::best());
+        compressor.write_all(&encoded)?;
+
+        Ok(compressor.finish()?)
+    }
+
+    fn decode(data: &[u8]) -> Result<Self, anyhow::Error> {
+        use flate2::read::GzDecoder;
+        use std::io::Read;
+        let mut decompressor = GzDecoder::new(data);
+        let mut buffer = Vec::new();
+        decompressor.read_to_end(&mut buffer)?;
+
+        Ok(bincode::deserialize(&buffer)?)
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn it_works() {
+        let msg = Packets::System(SystemPacket::Ping);
+
+        let decoded = Packet::decode(&msg.encode().unwrap()).unwrap();
+
+        assert_eq!(msg, decoded);
+    }
+}

src/lib/inbound/http/handlers/websocket.rs

@@ -1,8 +1,9 @@
-use std::{borrow::Cow, net::SocketAddr, ops::ControlFlow};
+use std::{net::SocketAddr, ops::ControlFlow, sync::Arc, time::Duration};
 
+use avam_protocol::{Packet, Packets, SimConnectPacket, SystemPacket};
 use axum::{
     extract::{
-        ws::{CloseFrame, Message, WebSocket},
+        ws::{Message, WebSocket},
         ConnectInfo, State, WebSocketUpgrade,
     },
     response::IntoResponse,
@@ -14,6 +15,10 @@ use axum_extra::{
 use futures::{SinkExt, StreamExt};
 use http::StatusCode;
 use jsonwebtoken::{decode, Algorithm, DecodingKey, Validation};
+use tokio::{
+    sync::mpsc,
+    time::{sleep, Instant},
+};
 
 use crate::{
     domain::api::{
@@ -70,156 +75,151 @@ pub async fn ws_handler<S: ApiService>(
         return Err(StatusCode::UNAUTHORIZED);
     };
 
-    Ok(ws.on_upgrade(move |socket| handle_socket(socket, user, addr)))
+    if app_state.has_connection(&user).await {
+        return Err(StatusCode::CONFLICT);
+    }
+
+    Ok(ws.on_upgrade(move |socket| handle_socket(app_state.clone(), socket, user, addr)))
 }
 
 /// Actual websocket statemachine (one will be spawned per connection)
-async fn handle_socket(mut socket: WebSocket, user: User, who: SocketAddr) {
+async fn handle_socket<S: ApiService>(
-    // send a ping (unsupported by some browsers) just to kick things off and get a response
+    app_state: AppState<S>,
-    if socket
+    socket: WebSocket,
-        .send(Message::Text(format!("Hello {}!", user.email())))
+    user: User,
-        .await
+    who: SocketAddr,
-        .is_ok()
+) {
-    {
+    // AppState needs to store user to channel handles or something
-        tracing::debug!("Pinged {who}...");
+    // It'd know who's connected at all times and be able to send messages
-    } else {
-        tracing::debug!("Could not send ping {who}!");
-        // no Error here since the only thing we can do is to close the connection.
-        // If we can not send messages, there is no way to salvage the statemachine anyway.
-        return;
-    }
 
-    // receive single message from a client (we can either receive or send with socket).
+    let (sender, mut receiver) = mpsc::channel(10);
-    // this will likely be the Pong for our Ping or a hello message from client.
+    app_state.add_connection(&user, sender).await;
-    // waiting for message from a client will block this task, but will not block other client's
-    // connections.
-    if let Some(msg) = socket.recv().await {
-        if let Ok(msg) = msg {
-            if process_message(msg, who).is_break() {
-                return;
-            }
-        } else {
-            tracing::debug!("client {who} abruptly disconnected");
-            return;
-        }
-    }
 
-    // Since each client gets individual statemachine, we can pause handling
+    // This can probably be hella-abstracted away and be made a lot cleaner
-    // when necessary to wait for some external event (in this case illustrated by sleeping).
+    let (mut writer, mut reader) = socket.split();
-    // Waiting for this client to finish getting its greetings does not prevent other clients from
+    // This probably needs a (mpsc?) channel, then a dedicated thread to send ping on that channel
-    // connecting to server and receiving their greetings.
+    let mut ping_timer = Instant::now();
-    for i in 1..5 {
+    ping_timer.checked_add(Duration::from_secs(15)); // add 15 seconds so we instantly trigger a ping
-        if socket
+    let u = user.clone();
-            .send(Message::Text(format!("Hi {i} times!")))
+    let writer_handle = tokio::spawn(async move {
-            .await
+        loop {
-            .is_err()
+            let msg = match receiver.try_recv() {
-        {
+                Ok(msg) => Some(msg),
-            tracing::debug!("client {who} abruptly disconnected");
+                Err(mpsc::error::TryRecvError::Disconnected) => break,
-            return;
+                _ => None,
-        }
+            };
-        tokio::time::sleep(std::time::Duration::from_millis(100)).await;
-    }
 
-    // By splitting socket we can send and receive at the same time. In this example we will send
+            if let Some(msg) = msg {
-    // unsolicited messages to client based on some sort of server's internal event (i.e .timer).
+                let Ok(encoded_message) = msg.encode() else {
-    let (mut sender, mut receiver) = socket.split();
+                    tracing::error!("Unable to encode message for sending: {:#?}", msg);
-
+                    sleep(Duration::from_millis(100)).await;
-    // Spawn a task that will push several messages to the client (does not matter what client does)
+                    continue;
-    let mut send_task = tokio::spawn(async move {
+                };
-        let n_msg = 20;
+                tracing::info!("> [{}]: {:?}", &u.email(), msg);
-        for i in 0..n_msg {
+                let _ = writer.send(Message::Binary(encoded_message)).await;
-            // In case of any websocket error, we exit.
-            if sender
-                .send(Message::Text(format!("Server message {i} ...")))
-                .await
-                .is_err()
-            {
-                return i;
             }
 
-            tokio::time::sleep(std::time::Duration::from_millis(300)).await;
+            if ping_timer.elapsed() >= Duration::from_secs(15) {
-        }
+                tracing::trace!(
+                    "> [{}]: {:?}",
+                    &u.email(),
+                    Packets::System(SystemPacket::Ping)
+                );
+                let _ = writer
+                    .send(Message::Binary(
+                        Packets::System(SystemPacket::Ping).encode().unwrap(),
+                    ))
+                    .await;
+                ping_timer = Instant::now();
+            }
 
-        tracing::debug!("Sending close to {who}...");
+            sleep(Duration::from_millis(100)).await;
-        if let Err(e) = sender
-            .send(Message::Close(Some(CloseFrame {
-                code: axum::extract::ws::close_code::NORMAL,
-                reason: Cow::from("Goodbye"),
-            })))
-            .await
-        {
-            tracing::debug!("Could not send Close due to {e}, probably it is ok?");
         }
-        n_msg
     });
 
-    // This second task will receive messages from client and print them on server console
+    let u = user.clone();
-    let mut recv_task = tokio::spawn(async move {
+    let a_s = app_state.clone();
-        let mut cnt = 0;
+    let reader_handle = tokio::spawn(async move {
-        while let Some(Ok(msg)) = receiver.next().await {
+        loop {
-            cnt += 1;
+            if let Some(Ok(data)) = reader.next().await {
-            // print message and break if instructed to do so
+                let Ok(packet) = Packets::decode(&data.clone().into_data()) else {
-            if process_message(msg, who).is_break() {
+                    if let Message::Close(Some(c)) = data {
-                break;
+                        tracing::info!("{} disconnected: {}", u.email(), c.reason);
+                        break;
+                    }
+                    tracing::error!("Invalid packet received {:#?}", data);
+                    sleep(Duration::from_millis(100)).await;
+                    continue;
+                };
+
+                match packet {
+                    Packets::System(system_packet) => {
+                        process_system_packet(a_s.clone(), &u, system_packet).await;
+                    }
+                    Packets::SimConnect(sim_connect_packet) => {
+                        process_message(a_s.api_service().clone(), &u, sim_connect_packet).await;
+                    }
+                }
             }
+            sleep(Duration::from_millis(100)).await;
         }
-        cnt
     });
 
-    // If any one of the tasks exit, abort the other.
     tokio::select! {
-        rv_a = (&mut send_task) => {
+        _ = reader_handle => {
-            match rv_a {
+            tracing::debug!("reader closed");
-                Ok(a) => tracing::debug!("{a} messages sent to {who}"),
-                Err(a) => tracing::debug!("Error sending messages {a:?}")
-            }
-            recv_task.abort();
-        },
-        rv_b = (&mut recv_task) => {
-            match rv_b {
-                Ok(b) => tracing::debug!("Received {b} messages"),
-                Err(b) => tracing::debug!("Error receiving messages {b:?}")
-            }
-            send_task.abort();
         }
-    }
+        _ = writer_handle => {
+            tracing::debug!("writer closed");
+        }
+    };
+
+    // remove the user/channel from AppState
+    app_state.remove_connection(&user).await;
 
     // returning from the handler closes the websocket connection
     tracing::debug!("Websocket context {who} destroyed");
 }
+async fn process_system_packet<S>(
+    app_state: AppState<S>,
+    user: &User,
+    packet: SystemPacket,
+) -> ControlFlow<(), ()>
+where
+    S: ApiService,
+{
+    tracing::trace!("< [{}]: {:?}", user.email(), packet);
+    match packet {
+        SystemPacket::Ping => {
+            // send back pong
+            let _ = app_state
+                .send(user, Packets::System(SystemPacket::Pong))
+                .await;
+        }
+        SystemPacket::Pong => {
+            // noop
+        }
+        SystemPacket::Close { reason } => {
+            tracing::debug!("{} disconnect: {}", user.email(), reason);
+            return ControlFlow::Break(()); // whatever this means
+        }
+    };
+
+    ControlFlow::Continue(())
+}
+
+async fn process_message<S>(
+    api_service: Arc<S>,
+    user: &User,
+    packet: SimConnectPacket,
+) -> ControlFlow<(), ()>
+where
+    S: ApiService,
+{
+    tracing::info!("< [{}]: {:?}", user.email(), packet);
+
+    // On incoming packets, we use the internal api to store stuff to the database
+    // We'll use Server Side Events (SSE) to keep the dashboard up to date with the state of the database
 
-/// helper to print contents of messages to stdout. Has special treatment for Close.
-fn process_message(msg: Message, who: SocketAddr) -> ControlFlow<(), ()> {
-    match msg {
-        Message::Text(t) => {
-            tracing::debug!(">>> {who} sent str: {t:?}");
-        }
-        Message::Binary(d) => {
-            tracing::debug!(">>> {} sent {} bytes: {:?}", who, d.len(), d);
-        }
-        Message::Close(c) => {
-            if let Some(cf) = c {
-                tracing::debug!(
-                    ">>> {} sent close with code {} and reason `{}`",
-                    who,
-                    cf.code,
-                    cf.reason
-                );
-            } else {
-                tracing::debug!(">>> {who} somehow sent close message without CloseFrame");
-            }
-            return ControlFlow::Break(());
-        }
-
-        Message::Pong(v) => {
-            tracing::debug!(">>> {who} sent pong with {v:?}");
-        }
-        // You should never need to manually handle Message::Ping, as axum's websocket library
-        // will do so for you automagically by replying with Pong and copying the v according to
-        // spec. But if you need the contents of the pings you can see them here.
-        Message::Ping(v) => {
-            tracing::debug!(">>> {who} sent ping with {v:?}");
-        }
-    }
     ControlFlow::Continue(())
 }

src/lib/inbound/http/state.rs

@@ -1,11 +1,16 @@
-use std::sync::Arc;
+use std::{collections::HashMap, sync::Arc};
 
+use avam_protocol::Packets;
 use axum::extract::FromRef;
 use leptos::get_configuration;
+use tokio::sync::{mpsc::Sender, RwLock};
 
-use crate::{config::Config, domain::api::ports::ApiService};
+use crate::{
+    config::Config,
+    domain::api::{ports::ApiService, prelude::User},
+};
 
-#[derive(Debug, Clone)]
+#[derive(Clone)]
 /// The global application state shared between all request handlers.
 pub struct AppState<S>
 where
@@ -14,6 +19,7 @@ where
     pub leptos_options: leptos::LeptosOptions,
     config: Arc<Config>,
     api_service: Arc<S>,
+    connections: Arc<RwLock<HashMap<uuid::Uuid, Sender<Packets>>>>,
 }
 
 impl<S> AppState<S>
@@ -25,6 +31,7 @@ where
             config: Arc::new(config),
             leptos_options: get_configuration(None).await.unwrap().leptos_options,
             api_service: Arc::new(api_service),
+            connections: Arc::new(RwLock::new(HashMap::new())),
         }
     }
 
@@ -37,6 +44,30 @@ where
     }
 }
 
+impl<S> AppState<S>
+where
+    S: ApiService,
+{
+    pub async fn add_connection(&self, user: &User, sender: Sender<Packets>) {
+        self.connections.write().await.insert(user.id(), sender);
+    }
+
+    pub async fn has_connection(&self, user: &User) -> bool {
+        self.connections.read().await.contains_key(&user.id())
+    }
+
+    pub async fn remove_connection(&self, user: &User) {
+        self.connections.write().await.remove(&user.id());
+    }
+
+    pub async fn send(&self, user: &User, packet: Packets) -> Result<(), anyhow::Error> {
+        if let Some(sender) = self.connections.read().await.get(&user.id()) {
+            sender.send(packet).await?;
+        }
+        Ok(())
+    }
+}
+
 impl<S> FromRef<AppState<S>> for leptos::LeptosOptions
 where
     S: ApiService,

style/main.scss

@@ -1444,10 +1444,6 @@ html {
   margin-top: auto;
 }
 
-.block {
-  display: block;
-}
-
 .flex {
   display: flex;
 }