aboutsummaryrefslogtreecommitdiffstats
path: root/mumd/src/command.rs
blob: d4b25d0f51f0de1bcfa2a8a3616b8dd50241e1ab (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
use crate::state::State;

use crate::network::tcp::{TcpEvent, TcpEventCallback};
use ipc_channel::ipc::IpcSender;
use log::*;
use mumlib::command::{Command, CommandResponse};
use std::sync::{Arc, Mutex};
use tokio::sync::{mpsc, oneshot};

pub async fn handle(
    state: Arc<Mutex<State>>,
    mut command_receiver: mpsc::UnboundedReceiver<(
        Command,
        IpcSender<mumlib::error::Result<Option<CommandResponse>>>,
    )>,
    tcp_event_register_sender: mpsc::UnboundedSender<(TcpEvent, TcpEventCallback)>,
) {
    debug!("Begin listening for commands");
    while let Some((command, response_sender)) = command_receiver.recv().await {
        debug!("Received command {:?}", command);
        let mut state = state.lock().unwrap();
        let (event, generator) = state.handle_command(command);
        drop(state);
        if let Some(event) = event {
            let (tx, rx) = oneshot::channel();
            //TODO handle this error
            let _ = tcp_event_register_sender.send((
                event,
                Box::new(move |e| {
                    let response = generator(Some(e));
                    response_sender.send(response).unwrap();
                    tx.send(()).unwrap();
                }),
            ));

            rx.await.unwrap();
        } else {
            response_sender.send(generator(None)).unwrap();
        }
    }
}