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lavina/crates/lavina-core/src/lib.rs

113 lines
3.1 KiB
Rust

//! Domain definitions and implementation of common chat logic.
use std::ops::Deref;
use std::sync::Arc;
use anyhow::Result;
use prometheus::Registry as MetricsRegistry;
use crate::clustering::broadcast::Broadcasting;
use crate::clustering::{ClusterConfig, ClusterMetadata, LavinaClient};
use crate::dialog::DialogRegistry;
use crate::player::{PlayerConnection, PlayerId, PlayerRegistry};
use crate::repo::Storage;
use crate::room::{RoomHandle, RoomId, RoomInfo, RoomRegistry};
pub mod auth;
pub mod clustering;
pub mod dialog;
pub mod player;
pub mod prelude;
pub mod repo;
pub mod room;
pub mod terminator;
mod table;
#[derive(Clone)]
pub struct LavinaCore {
services: Arc<Services>,
}
impl Deref for LavinaCore {
type Target = Services;
fn deref(&self) -> &Self::Target {
&self.services
}
}
impl LavinaCore {
pub async fn connect_to_player(&self, player_id: &PlayerId) -> PlayerConnection {
self.services.players.connect_to_player(&self, player_id).await
}
pub async fn get_room(&self, room_id: &RoomId) -> Option<RoomHandle> {
self.services.rooms.get_room(&self.services, room_id).await
}
pub async fn create_player(&self, player_id: &PlayerId) -> Result<()> {
self.services.storage.create_user(player_id.as_inner()).await
}
pub async fn get_all_rooms(&self) -> Vec<RoomInfo> {
self.services.rooms.get_all_rooms().await
}
pub async fn stop_player(&self, player_id: &PlayerId) -> Result<Option<()>> {
self.services.players.stop_player(player_id).await
}
}
pub struct Services {
pub(crate) players: PlayerRegistry,
pub(crate) rooms: RoomRegistry,
pub(crate) dialogs: DialogRegistry,
pub(crate) broadcasting: Broadcasting,
pub(crate) client: LavinaClient,
pub(crate) storage: Storage,
pub(crate) cluster_metadata: ClusterMetadata,
}
impl LavinaCore {
pub async fn new(
metrics: &mut MetricsRegistry,
cluster_config: ClusterConfig,
storage: Storage,
) -> Result<LavinaCore> {
// TODO shutdown all services in reverse order on error
let broadcasting = Broadcasting::new();
let client = LavinaClient::new(cluster_config.addresses.clone());
let rooms = RoomRegistry::new(metrics)?;
let dialogs = DialogRegistry::new();
let players = PlayerRegistry::empty(metrics)?;
let services = Services {
players,
rooms,
dialogs,
broadcasting,
client,
storage,
cluster_metadata: cluster_config.metadata,
};
Ok(LavinaCore {
services: Arc::new(services),
})
}
pub async fn shutdown(self) -> Storage {
let _ = self.players.shutdown_all().await;
let services = match Arc::try_unwrap(self.services) {
Ok(e) => e,
Err(_) => {
panic!("failed to acquire services ownership on shutdown");
}
};
let _ = services.players.shutdown();
let _ = services.dialogs.shutdown();
let _ = services.rooms.shutdown();
services.storage
}
}