Files
Knightly/server/src/events.rs
2025-11-13 15:19:26 +01:00

127 lines
3.2 KiB
Rust

use serde::{Deserialize, Serialize};
use std::sync::Arc;
use tokio::sync::Mutex;
use tokio::sync::mpsc;
use uuid::Uuid;
#[derive(Serialize, Deserialize, Debug)]
pub struct Step {
pub from: String,
pub to: String,
}
#[derive(Serialize, Deserialize, Debug)]
#[serde(tag = "type")]
pub enum ClientEvent {
Join { username: String },
FindMatch,
Move { from: String, to: String },
Resign,
Chat { text: String },
RequestLegalMoves { fen: String },
}
#[derive(Debug)]
pub enum ServerEvent {
PlayerJoined(Uuid, String),
PlayerLeft(Uuid),
PlayerJoinedQueue(Uuid),
PlayerJoinedMatch(Uuid, Uuid), // player_id, match_id
PlayerMove(Uuid, Step),
PlayerResigned(Uuid),
MatchCreated(Uuid, Uuid, Uuid), // match_id, white_id, black_id
}
pub struct EventSystem {
sender: mpsc::UnboundedSender<(Uuid, ClientEvent)>,
receiver: Arc<Mutex<mpsc::UnboundedReceiver<(Uuid, ClientEvent)>>>,
}
impl Clone for EventSystem {
fn clone(&self) -> Self {
Self {
sender: self.sender.clone(),
receiver: Arc::clone(&self.receiver),
}
}
}
impl EventSystem {
pub fn new() -> Self {
let (sender, receiver) = mpsc::unbounded_channel();
Self {
sender,
receiver: Arc::new(Mutex::new(receiver)),
}
}
pub async fn send_event(
&self,
player_id: Uuid,
event: ClientEvent,
) -> Result<(), Box<dyn std::error::Error>> {
self.sender.send((player_id, event))?;
Ok(())
}
pub async fn next_event(&self) -> Option<(Uuid, ClientEvent)> {
let mut receiver = self.receiver.lock().await;
receiver.recv().await
}
}
impl Default for EventSystem {
fn default() -> Self {
Self::new()
}
}
#[cfg(test)]
mod tests {
use super::*;
use uuid::Uuid;
#[tokio::test]
async fn test_event_system_send_and_receive() {
let event_system = EventSystem::new();
let player_id = Uuid::new_v4();
let join_event = ClientEvent::Join {
username: "test_user".to_string(),
};
let send_result = event_system.send_event(player_id, join_event).await;
assert!(send_result.is_ok(), "Should send event successfully");
let received = event_system.next_event().await;
assert!(received.is_some(), "Should receive sent event");
let (received_id, received_event) = received.unwrap();
assert_eq!(received_id, player_id, "Should receive correct player ID");
match received_event {
ClientEvent::Join { username } => {
assert_eq!(username, "test_user", "Should receive correct username");
}
_ => panic!("Should receive Join event"),
}
}
#[tokio::test]
async fn test_event_system_clone() {
let event_system1 = EventSystem::new();
let event_system2 = event_system1.clone();
let player_id = Uuid::new_v4();
let event = ClientEvent::FindMatch;
event_system1.send_event(player_id, event).await.unwrap();
let received = event_system2.next_event().await;
assert!(
received.is_some(),
"Cloned event system should receive events"
);
}
}