M-Labs/artiq-zynq
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work in progress mirror artiq mainline

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This commit is contained in:
Simon Renblad 2024-08-27 17:55:06 +08:00
parent 90312e2fb7
commit 049d0f2caa
1 changed files with 72 additions and 30 deletions
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66
src/runtime/src/comms.rs
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@ -818,6 +818,59 @@ pub fn main(timer: GlobalTimer, cfg: Config) {
let aux_mutex = aux_mutex.clone();
let routing_table = drtio_routing_table.clone();
// copy same idea as artiq mainline
// loop
// check if socket.is_active() -> accept and run kernel task
// check if task is terminated -> run idle -> terminate idle on restart_idle
// yield and reloop (annoying thing is if async behaves as expected)
// start listening on a socket and return the socket
let listener = TcpListener::new(10_000);
listener.listen(1381);
loop {
if listener.can_accept() { // ie can_accept (socket in state SYN-RECEIVED)
let mut stream = listener.accept().await;
if connection.try_wait().is_none() {
// there is an existing connection
terminate.signal();
connection.async_wait().await;
}
let _ = terminate.try_wait();
task::spawn(async move {
select_biased! {
_ = (async {
}) => (),
_ = terminate.async_wait().fuse() => ()
}
let _ = stream.flush().await;
let _ = stream.abort().await;
connection.signal();
});
}
if connection.try_wait().is_some() {
let _ = terminate.try_wait(); // ensure terminate and restart_idle are always set
let _ = restart_idle.try_wait();
task::spawn(async move {
select_biased! {
_ = (async {
// needs to ensure that if there is no idle_kernel, enter idle loop and
// keep yielding
}) => (),
_ = terminate.async_wait().fuse() => (),
_ = restart_idle.async_wait().fuse() => ()
}
connection.signal();
});
}
// yield and rerun
task::r#yield().await;
}
select_biased! {
_ = (async {
loop {
@ -830,20 +883,15 @@ pub fn main(timer: GlobalTimer, cfg: Config) {
let running = running.clone();
let repeat_lock = repeat_lock.clone();
info!("awaiting connection");
if let Ok(mut stream) = TcpStream::accept(1381, 0x10_000, 0x10_000).await {
info!("accepted connection");
let mut stream = TcpStream::accept(1381, 0x10_000, 0x10_000).await.unwrap();
task::spawn(async move {
info!("awaiting lock");
let _rep_lock = repeat_lock.async_lock().await;
terminate.signal();
let _lock = running.async_lock().await;
drop(_rep_lock);
info!("lock achieved");
let routing_table = routing_table.borrow();
select_biased! {
_ = (async {
info!("pre handling connection");
let _ = handle_connection(&mut stream, control.clone(), &up_destinations, &aux_mutex, &routing_table, timer)
.await
.map_err(|e| warn!("connection terminated: {}", e));
@ -854,9 +902,6 @@ pub fn main(timer: GlobalTimer, cfg: Config) {
let _ = stream.flush().await;
let _ = stream.abort().await;
});
} else {
info!("failed to accept connection");
}
}
}).fuse() => (),
_ = (async {
@ -873,9 +918,7 @@ pub fn main(timer: GlobalTimer, cfg: Config) {
let _rep_lock = repeat_lock.async_lock().await;
drop(_rep_lock);
info!("getting lock idle kernel");
let _lock = running.async_lock().await;
info!("locked idle kernel");
let routing_table = routing_table.borrow();
select_biased! {
_ = (async {
@ -886,7 +929,6 @@ pub fn main(timer: GlobalTimer, cfg: Config) {
_ = terminate.async_wait().fuse() => (),
_ = restart_idle.async_wait().fuse() => ()
}
info!("supposed to drop idle kernel");
drop(_lock);
}
}).fuse() => (),