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Aubrey 2024-12-18 15:34:50 -06:00
parent 6708cc3e22
commit a129a11eed
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10 changed files with 1783 additions and 122 deletions
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1461
Cargo.lock generated
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File diff suppressed because it is too large Load diff

3
Cargo.toml
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@ -19,3 +19,6 @@ zerocopy = { version = "0.8.13", features = ["derive"] }
[dev-dependencies]
roead = "1.0.0"
[workspace]
members = ["proximity-client"]

10
proximity-client/Cargo.toml Normal file
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@ -0,0 +1,10 @@
[package]
name = "proximity-client"
version = "0.1.0"
edition = "2021"
[dependencies]
cpal = "0.15.3"
tokio = { version = "1.42.0", features = ["rt", "rt-multi-thread", "macros", "sync", "io-util", "fs"] }
webrtc = "0.12.0"
webtransport = "0.0.0"

17
proximity-client/src/main.rs Normal file
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@ -0,0 +1,17 @@
use webrtc::{api::media_engine::MediaEngine, interceptor::registry::Registry, peer_connection::configuration::RTCConfiguration};
fn main() {
let mut m = MediaEngine::default();
m.register_default_codecs()?;
let mut registry = Registry::new();
registry = register_default_interceptors(registry, &mut m)?;
let api = APIBuilder::new().with_media_engine(m).with_interceptor_registry(registry).build();
let config = RTCConfiguration {
ice_servers: vec![RTCIceServer {
urls: vec!["stun:stun.l.google.com:19302".to_owned()],
..Default::default()
}],
..Default::default()
};
}

4
src/faker.rs
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@ -2,12 +2,10 @@ use glam::Vec3;
use xtra::{Actor, Address, Handler};
use crate::{
broadcast_packet,
packet::{
Packet, PacketData,
PacketData_variants::{Connect, Player},
},
protocol::String,
}, player::broadcast_packet, protocol::String
};
pub struct Faker {

20
src/main.rs
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@ -15,14 +15,14 @@ use std::{
use faker::Faker;
use packet::{rw::read_packet, Packet};
use player::PlayerActor;
use server::web_main;
use server::{web_main, Manager};
use tokio::{
net::{TcpListener, UdpSocket},
sync::RwLock,
};
use tracing::{error, info, Level};
use tracing_subscriber::{filter::FilterFn, layer::SubscriberExt, util::SubscriberInitExt, Layer};
use xtra::{prelude::MessageChannel, Mailbox};
use xtra::{prelude::MessageChannel, Address, Mailbox};
type PacketChannel = MessageChannel<Packet, (), xtra::refcount::Strong>;
pub fn clients() -> &'static RwLock<HashMap<u128, (PacketChannel, SocketAddr)>> {
@ -31,14 +31,14 @@ pub fn clients() -> &'static RwLock<HashMap<u128, (PacketChannel, SocketAddr)>>
&CLIENTS
}
pub async fn broadcast_packet(packet: Packet) {
for (id, (address, _)) in clients().read().await.iter() {
if *id != packet.user_id {
let _ = address.send(packet.clone()).detach().await.unwrap();
}
}
pub fn manager() -> &'static Address<Manager> {
static MANAGER: LazyLock<Address<Manager>> = LazyLock::new(web_main);
&MANAGER
}
#[tokio::main]
async fn main() {
tracing_subscriber::registry()
@ -48,8 +48,6 @@ async fn main() {
.init();
let tcp = TcpListener::bind("0.0.0.0:1027").await.unwrap();
let manager = web_main();
{
let (address, mailbox) = Mailbox::unbounded();
let address = xtra::spawn_tokio(
@ -94,7 +92,7 @@ async fn main() {
loop {
match tcp.accept().await {
Ok((stream, addr)) => {
PlayerActor::new_connection(stream, addr, socket.clone(), manager.clone());
PlayerActor::new_connection(stream, addr, socket.clone());
}
Err(error) => {
error!("failed to handle connection: {error:?}");

69
src/player.rs
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@ -1,16 +1,15 @@
use std::{io::Cursor, net::SocketAddr, sync::Arc};
use glam::Vec3;
use tokio::{
io::{BufReader, BufWriter},
net::{TcpStream, UdpSocket},
sync::mpsc,
};
use tracing::{error, info, info_span, trace, Instrument};
use xtra::{prelude::MessageChannel, scoped, Actor, Address, Handler, Mailbox};
use xtra::{prelude::MessageChannel, scoped, Actor, Handler, Mailbox};
use crate::{
broadcast_packet, clients,
clients, manager,
packet::{
rw::{read_packet, write_packet},
ConnectionKind, Packet, PacketData,
@ -18,15 +17,58 @@ use crate::{
CLIENT_NAME_SIZE,
},
protocol::String,
server::{ChangedStage, Manager, PlayerConnected, PlayerMoved},
server::{ChangedStage, PlayerConnected, PlayerDisconnected, PlayerMoved},
};
pub async fn broadcast_packet(packet: Packet) {
for (id, (address, _)) in clients().read().await.iter() {
if *id != packet.user_id {
let _ = address.send(packet.clone()).detach().await.unwrap();
}
}
match packet.data {
PacketData::Connect(connect) => {
manager()
.send(PlayerConnected {
id: packet.user_id,
name: connect.client_name,
})
.await
.unwrap();
}
PacketData::Disconnect(..) => {
manager().send(PlayerDisconnected { id: packet.user_id }).await.unwrap();
}
PacketData::Player(player) => {
let _ = manager()
.send(PlayerMoved {
id: packet.user_id,
position: player.position,
})
.detach()
.await
.unwrap();
}
PacketData::Game(game) => {
let _ = manager()
.send(ChangedStage {
id: packet.user_id,
stage: game.stage,
})
.detach()
.await
.unwrap();
}
_ => {}
}
}
pub struct PlayerActor {
id: u128,
connection_kind: ConnectionKind,
name: String<CLIENT_NAME_SIZE>,
write_sender: mpsc::UnboundedSender<WriteMessage>,
manager: Address<Manager>,
}
enum WriteMessage {
@ -35,7 +77,7 @@ enum WriteMessage {
}
impl PlayerActor {
pub fn new_connection(stream: TcpStream, addr: SocketAddr, socket: Arc<UdpSocket>, manager: Address<Manager>) {
pub fn new_connection(stream: TcpStream, addr: SocketAddr, socket: Arc<UdpSocket>) {
tokio::spawn(async move {
info!("accepted connection from {addr}");
let (reader, writer) = stream.into_split();
@ -135,7 +177,6 @@ impl PlayerActor {
connection_kind: connect.kind,
name: connect.client_name,
write_sender: sender,
manager,
},
)
.instrument(span)
@ -167,14 +208,6 @@ impl Actor for PlayerActor {
}))
.map_err(drop)?;
self
.manager
.send(PlayerConnected {
id: self.id,
name: self.name,
})
.await
.unwrap();
Ok(())
}
async fn stopped(self) -> Self::Stop {}
@ -213,12 +246,6 @@ impl Handler<Packet> for PlayerActor {
trace!("suspicious packet sent: {packet:?}");
return;
}
PacketData::Player(ref player) => {
let _ = self.manager.send(PlayerMoved { id: self.id, position: Vec3::from_array(player.position)}).detach().await.unwrap();
}
PacketData::Game(ref game) => {
let _ = self.manager.send(ChangedStage { id: self.id, stage: game.stage}).detach().await.unwrap();
}
_ => {}
}

63
src/server/mod.rs
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@ -1,16 +1,14 @@
mod packet;
mod prox;
use std::{collections::HashMap, sync::LazyLock};
use glam::Vec3;
use prox::ProximityPlayer;
use tokio::sync::RwLock;
use tracing::{error, info_span, Instrument};
use uuid::Uuid;
use wtransport::{Endpoint, Identity, ServerConfig};
use xtra::{Actor, Address, Handler, Mailbox};
use zerocopy::FromZeros;
use zerocopy::{FromZeros, Immutable, IntoBytes};
use crate::{
packet::{CLIENT_NAME_SIZE, STAGE_GAME_NAME_SIZE},
@ -77,12 +75,13 @@ impl Manager {
}
}
#[derive(Debug, Clone, Copy)]
#[derive(Debug, Clone, Copy, IntoBytes, Immutable)]
#[repr(C, packed)]
struct PlayerInstance {
id: u32,
name: String<CLIENT_NAME_SIZE>,
position: Vec3,
stage: String<STAGE_GAME_NAME_SIZE>,
position: [f32; 3],
}
struct RequestState;
@ -94,6 +93,8 @@ impl Handler<RequestState> for Manager {
}
}
#[derive(Debug, Clone, Copy, IntoBytes, Immutable)]
#[repr(C)]
pub struct PlayerConnected {
pub id: u128,
pub name: String<CLIENT_NAME_SIZE>,
@ -103,23 +104,26 @@ impl Handler<PlayerConnected> for Manager {
type Return = ();
async fn handle(&mut self, message: PlayerConnected, _: &mut xtra::Context<Self>) -> Self::Return {
self.players.insert(
message.id,
PlayerInstance {
id: {
let id = {
let id = self.next_id;
self.next_id += 1;
id
},
};
self.players.insert(
message.id,
PlayerInstance {
id,
name: message.name,
position: Vec3::ZERO,
position: [0.0; 3],
stage: String::new_zeroed(),
},
);
self.broadcast(PlayerConnected { id: id as u128, name: message.name}).await;
}
}
#[derive(Clone, Copy)]
#[derive(Debug, Clone, Copy, IntoBytes, Immutable)]
#[repr(C)]
pub struct PlayerDisconnected {
pub id: u128,
}
@ -128,31 +132,39 @@ impl Handler<PlayerDisconnected> for Manager {
type Return = ();
async fn handle(&mut self, message: PlayerDisconnected, _: &mut xtra::Context<Self>) -> Self::Return {
if self.players.remove(&message.id).is_some() {
self.broadcast(message).await;
if let Some(player) = self.players.remove(&message.id) {
self.broadcast(PlayerDisconnected { id: player.id as u128 }).await;
}
}
}
#[derive(Clone, Copy)]
#[derive(Debug, Clone, Copy, IntoBytes, Immutable)]
#[repr(C, packed)]
pub struct PlayerMoved {
pub id: u128,
pub position: Vec3,
pub position: [f32; 3],
}
impl Handler<PlayerMoved> for Manager {
type Return = ();
async fn handle(&mut self, message: PlayerMoved, _: &mut xtra::Context<Self>) -> Self::Return {
if let Some(player) = self.players.get_mut(&message.id) {
let id = message.id;
if let Some(player) = self.players.get_mut(&id) {
player.position = message.position;
self.broadcast(message).await;
let id = player.id;
self
.broadcast(PlayerMoved {
id: id as u128,
..message
})
.await;
}
}
}
#[derive(Clone, Copy)]
#[derive(Debug, Clone, Copy, IntoBytes, Immutable)]
#[repr(C, packed)]
pub struct ChangedStage {
pub id: u128,
pub stage: String<STAGE_GAME_NAME_SIZE>,
@ -162,9 +174,16 @@ impl Handler<ChangedStage> for Manager {
type Return = ();
async fn handle(&mut self, message: ChangedStage, _: &mut xtra::Context<Self>) -> Self::Return {
if let Some(player) = self.players.get_mut(&message.id) {
let id = message.id;
if let Some(player) = self.players.get_mut(&id) {
player.stage = message.stage;
self.broadcast(message).await;
let id = player.id;
self
.broadcast(ChangedStage {
id: id as u128,
..message
})
.await;
}
}
}

30
src/server/packet.rs
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@ -1,30 +0,0 @@
use zerocopy::{Immutable, IntoBytes};
use crate::{
packet::{CLIENT_NAME_SIZE, STAGE_GAME_NAME_SIZE},
protocol::String,
};
use super::PlayerInstance;
#[allow(unused)]
#[derive(Debug, IntoBytes, Immutable)]
#[repr(C, packed)]
pub struct HelloPlayer {
name: String<CLIENT_NAME_SIZE>,
id: u32,
position: [f32; 3],
stage: String<STAGE_GAME_NAME_SIZE>,
}
impl From<PlayerInstance> for HelloPlayer {
fn from(value: PlayerInstance) -> Self {
Self {
id: value.id,
name: value.name,
position: value.position.to_array(),
stage: value.stage,
}
}
}

226
src/server/prox.rs
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@ -1,20 +1,21 @@
use core::str;
use std::sync::Arc;
use tokio::io::AsyncWriteExt;
use tracing::{info_span, trace, warn, Instrument};
use tracing::{error, info, info_span, trace, warn, Instrument};
use uuid::Uuid;
use wtransport::endpoint::IncomingSession;
use xtra::{Actor, Address, Handler, Mailbox};
use zerocopy::IntoBytes;
use zerocopy::{FromZeros, IntoBytes};
use super::{
listeners, packet::HelloPlayer, ChangedStage, Manager, PlayerConnected, PlayerDisconnected, PlayerMoved, RequestState,
};
use crate::protocol::String;
use super::{listeners, ChangedStage, Manager, PlayerConnected, PlayerDisconnected, PlayerMoved, RequestState};
pub struct ProximityPlayer {
id: Uuid,
_send: wtransport::SendStream,
_connection: wtransport::Connection,
send: wtransport::SendStream,
connection: Arc<wtransport::Connection>,
}
impl ProximityPlayer {
@ -22,8 +23,9 @@ impl ProximityPlayer {
tokio::spawn(
async move {
trace!("proximity chat client connected");
let connection =
session.await.expect("failed to acknowledge session").accept().await.expect("failed to accept session");
let connection = Arc::new(
session.await.expect("failed to acknowledge session").accept().await.expect("failed to accept session"),
);
let (mut send, mut recv) = connection.accept_bi().await.expect("failed to start channel");
trace!("getting peerjs uuid");
@ -38,12 +40,31 @@ impl ProximityPlayer {
send.write_u8(state.len() as u8).await.expect("failed to write length");
for player in state.values() {
trace!("sending player {player:?}");
send.write_all(HelloPlayer::from(*player).as_bytes()).await.expect("failed to write player");
send.write_all(player.as_bytes()).await.expect("failed to write player");
}
{
let listeners = listeners().read().await;
send.write_u32_le(listeners.len() as u32).await.expect("failed to write peer length");
for (id, _) in listeners.iter() {
let mut str = String::<36>::new_zeroed();
id.as_hyphenated().encode_lower(str.as_mut_bytes());
send.write_all(str.as_bytes()).await.expect("failed to write peer id")
}
}
let (address, mailbox) = Mailbox::unbounded();
listeners().write().await.insert(id, address);
xtra::run(mailbox, ProximityPlayer { id, _send: send, _connection: connection }).instrument(span).await;
listeners().write().await.insert(id, address.clone());
tokio::spawn({
let connection = connection.clone();
async move {
connection.closed().await;
let _ = address.send(Stop).await;
}
.instrument(span.clone())
});
xtra::run(mailbox, ProximityPlayer { id, send, connection }).instrument(span).await;
}
.in_current_span(),
);
@ -53,39 +74,204 @@ impl ProximityPlayer {
impl Actor for ProximityPlayer {
type Stop = ();
async fn started(&mut self, _: &Mailbox<Self>) -> Result<(), Self::Stop> {
for listener in listeners().write().await.iter() {
if *listener.0 != self.id {
let _ = listener
.1
.send(PeerConnectionChanged {
id: self.id,
connected: true,
})
.detach()
.await;
}
}
Ok(())
}
async fn stopped(self) -> Self::Stop {
listeners().write().await.remove(&self.id);
for listener in listeners().write().await.iter() {
if *listener.0 != self.id {
let _ = listener
.1
.send(PeerConnectionChanged {
id: self.id,
connected: false,
})
.detach()
.await;
}
}
}
}
struct Stop;
impl Handler<Stop> for ProximityPlayer {
type Return = ();
async fn handle(&mut self, _: Stop, ctx: &mut xtra::Context<Self>) -> Self::Return {
info!("connection closed (stopped)");
ctx.stop_self();
}
}
struct PeerConnectionChanged {
id: Uuid,
connected: bool,
}
impl Handler<PeerConnectionChanged> for ProximityPlayer {
type Return = ();
async fn handle(&mut self, message: PeerConnectionChanged, ctx: &mut xtra::Context<Self>) -> Self::Return {
let mut id = String::new_zeroed();
message.id.hyphenated().encode_lower(id.as_mut_bytes());
let event = packet::Packet {
kind: packet::Kind::PeerConnectionChanged,
data: packet::PeerConnectionChanged {
id,
connected: message.connected,
},
};
if let Err(error) = self.send.write_all(event.as_bytes()).await {
error!("error while sending player move {error}");
ctx.stop_self();
}
}
}
impl Handler<PlayerConnected> for ProximityPlayer {
type Return = ();
async fn handle(&mut self, _message: PlayerConnected, _: &mut xtra::Context<Self>) -> Self::Return {
warn!("todo: implement player connected")
async fn handle(&mut self, message: PlayerConnected, ctx: &mut xtra::Context<Self>) -> Self::Return {
let event = packet::Packet {
kind: packet::Kind::Connected,
data: packet::Connected {
id: message.id as u32,
name: message.name,
},
};
if let Err(error) = self.send.write_all(event.as_bytes()).await {
error!("error while sending player move {error}");
ctx.stop_self();
}
}
}
impl Handler<PlayerDisconnected> for ProximityPlayer {
type Return = ();
async fn handle(&mut self, _message: PlayerDisconnected, _: &mut xtra::Context<Self>) -> Self::Return {
warn!("todo: implement player disconnected")
async fn handle(&mut self, message: PlayerDisconnected, ctx: &mut xtra::Context<Self>) -> Self::Return {
warn!("todo: implement player disconnected");
let event = packet::Packet {
kind: packet::Kind::Disconnected,
data: packet::Disconnected { id: message.id as u32 },
};
if let Err(error) = self.send.write_all(event.as_bytes()).await {
error!("error while sending player move {error}");
ctx.stop_self();
}
}
}
impl Handler<PlayerMoved> for ProximityPlayer {
type Return = ();
async fn handle(&mut self, _message: PlayerMoved, _: &mut xtra::Context<Self>) -> Self::Return {
warn!("todo: implement player moved")
async fn handle(&mut self, message: PlayerMoved, ctx: &mut xtra::Context<Self>) -> Self::Return {
let event = packet::Packet {
kind: packet::Kind::Moved,
data: packet::Moved {
id: message.id as u32,
position: message.position,
},
};
if let Err(error) = self.connection.send_datagram(event.as_bytes()) {
error!("error while sending player move {error}");
ctx.stop_self();
}
}
}
impl Handler<ChangedStage> for ProximityPlayer {
type Return = ();
async fn handle(&mut self, _message: ChangedStage, _: &mut xtra::Context<Self>) -> Self::Return {
warn!("todo: implement changed stage")
async fn handle(&mut self, message: ChangedStage, ctx: &mut xtra::Context<Self>) -> Self::Return {
warn!("todo: implement changed stage");
let event = packet::Packet {
kind: packet::Kind::StageChanged,
data: packet::StageChanged {
id: message.id as u32,
stage_name: message.stage,
},
};
if let Err(error) = self.send.write_all(event.as_bytes()).await {
error!("error while sending player move {error}");
ctx.stop_self();
}
}
}
pub mod packet {
use zerocopy::{Immutable, IntoBytes};
use crate::{
packet::{CLIENT_NAME_SIZE, STAGE_GAME_NAME_SIZE},
protocol::String,
};
#[derive(IntoBytes, Immutable)]
#[repr(C, packed)]
pub struct Packet<T> {
pub kind: Kind,
pub data: T,
}
#[derive(IntoBytes, Immutable)]
#[repr(u8)]
pub enum Kind {
Connected = 0,
Disconnected = 1,
Moved = 2,
StageChanged = 3,
PeerConnectionChanged = 4,
}
#[derive(IntoBytes, Immutable)]
#[repr(C, packed)]
pub struct Connected {
pub id: u32,
pub name: String<CLIENT_NAME_SIZE>,
}
#[derive(IntoBytes, Immutable)]
#[repr(C, packed)]
pub struct Disconnected {
pub id: u32,
}
#[derive(IntoBytes, Immutable)]
#[repr(C, packed)]
pub struct Moved {
pub id: u32,
pub position: [f32; 3],
}
#[derive(IntoBytes, Immutable)]
#[repr(C, packed)]
pub struct StageChanged {
pub id: u32,
pub stage_name: String<STAGE_GAME_NAME_SIZE>,
}
#[derive(IntoBytes, Immutable)]
#[repr(C, packed)]
pub struct PeerConnectionChanged {
pub id: String<36>,
pub connected: bool,
}
}