Files
server/src/core/client.rs
2022-10-30 00:14:24 -04:00

124 lines
3.2 KiB
Rust

use super::{eventloop::EventLoop, scenegraph::Scenegraph};
use crate::{
core::registry::Registry,
nodes::{data, drawable, fields, hmd, input, items, root::Root, spatial, startup, Node},
};
use anyhow::{anyhow, Result};
use lazy_static::lazy_static;
use once_cell::sync::OnceCell;
use parking_lot::Mutex;
use stardust_xr::messenger::{self, MessageSenderHandle};
use std::{
path::PathBuf,
sync::{Arc, Weak},
};
use tokio::{net::UnixStream, sync::Notify, task::JoinHandle};
lazy_static! {
pub static ref CLIENTS: Registry<Client> = Registry::new();
pub static ref INTERNAL_CLIENT: Arc<Client> = CLIENTS.add(Client {
event_loop: Weak::new(),
index: 0,
stop_notifier: Default::default(),
join_handle: OnceCell::new(),
message_sender_handle: None,
scenegraph: Default::default(),
root: OnceCell::new(),
base_resource_prefixes: Default::default(),
});
}
pub struct Client {
event_loop: Weak<EventLoop>,
index: usize,
stop_notifier: Arc<Notify>,
join_handle: OnceCell<JoinHandle<Result<()>>>,
pub message_sender_handle: Option<MessageSenderHandle>,
pub scenegraph: Arc<Scenegraph>,
pub root: OnceCell<Arc<Root>>,
pub base_resource_prefixes: Mutex<Vec<PathBuf>>,
}
impl Client {
pub fn from_connection(
index: usize,
event_loop: &Arc<EventLoop>,
connection: UnixStream,
) -> Arc<Self> {
println!("New client connected");
let (mut messenger_tx, mut messenger_rx) = messenger::create(connection);
let scenegraph = Arc::new(Scenegraph::default());
let client = CLIENTS.add(Client {
event_loop: Arc::downgrade(event_loop),
index,
stop_notifier: Default::default(),
join_handle: OnceCell::new(),
message_sender_handle: Some(messenger_tx.handle()),
scenegraph: scenegraph.clone(),
root: OnceCell::new(),
base_resource_prefixes: Default::default(),
});
let _ = client.scenegraph.client.set(Arc::downgrade(&client));
let _ = client.root.set(Root::create(&client));
hmd::make_alias(&client);
spatial::create_interface(&client);
fields::create_interface(&client);
drawable::create_interface(&client);
data::create_interface(&client);
items::create_interface(&client);
input::create_interface(&client);
startup::create_interface(&client);
let _ = client.join_handle.set(tokio::spawn({
let client = client.clone();
async move {
let dispatch_loop = async move {
loop {
messenger_rx.dispatch(&*scenegraph).await?
}
};
let flush_loop = async {
loop {
messenger_tx.flush().await?
}
};
let result = tokio::select! {
_ = client.stop_notifier.notified() => Ok(()),
e = dispatch_loop => e,
e = flush_loop => e,
};
client.disconnect().await;
result
}
}));
client
}
#[inline]
pub fn get_node(&self, name: &'static str, path: &str) -> Result<Arc<Node>> {
self.scenegraph
.get_node(path)
.ok_or_else(|| anyhow!("{} not found", name))
}
pub async fn disconnect(&self) {
self.stop_notifier.notify_one();
if let Some(event_loop) = self.event_loop.upgrade() {
event_loop.clients.lock().await.remove(self.index);
}
}
}
impl Drop for Client {
fn drop(&mut self) {
self.stop_notifier.notify_one();
CLIENTS.remove(self);
println!("Client disconnected");
}
}