forked from M-Labs/artiq-zynq
idle kernel mgmt
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parent
20181e9915
commit
43a6dc8838
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@ -803,70 +803,51 @@ pub fn main(timer: GlobalTimer, cfg: Config) {
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error!("Error loading startup kernel!");
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error!("Error loading startup kernel!");
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}
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}
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}
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}
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let cfg = Rc::new(cfg);
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mgmt::start(cfg);
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mgmt::start(cfg.clone());
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task::spawn(async move {
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task::spawn(async move {
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let connection = Rc::new(Semaphore::new(0, 1));
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let terminate = Rc::new(Semaphore::new(0, 1));
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let terminate = Rc::new(Semaphore::new(0, 1));
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{
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let running = Rc::new(Mutex::new(false));
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let control = control.clone();
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let cfg = cfg.clone();
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let idle_kernel = idle_kernel.clone();
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let connection = connection.clone();
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select_biased! {
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let terminate = terminate.clone();
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_ = (async {
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let up_destinations = up_destinations.clone();
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loop {
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let aux_mutex = aux_mutex.clone();
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let mut stream = TcpStream::accept(1381, 0x10_000, 0x10_000).await.unwrap();
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let routing_table = drtio_routing_table.clone();
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terminate.signal();
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task::spawn(async move {
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task::spawn(async move {
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let routing_table = routing_table.borrow();
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let _lock = running.lock();
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select_biased! {
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let routing_table = routing_table.borrow();
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_ = (async {
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select_biased! {
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if let Some(buffer) = &*idle_kernel {
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_ = (async {
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load_and_run_idle_kernel(&buffer, &control, &up_destinations, &aux_mutex, &routing_table, timer).await;
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let _ = handle_connection(&mut stream, control.clone(), &up_destinations, &aux_mutex, &routing_table, timer)
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.await
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.map_err(|e| warn!("connection terminated: {}", e));
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}).fuse() => (),
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_ = terminate.async_wait().fuse() => ()
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}
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let _ = stream.flush().await;
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let _ = stream.abort().await;
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drop(_lock);
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});
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}
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}).fuse() => (),
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_ = (async {
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loop {
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let _lock = running.lock();
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select_biased! {
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_ = (async {
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if let Some(buffer) = cfg.read("idle_kernel").ok() {
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load_and_run_idle_kernel(&buffer, &control, &up_destinations, &aux_mutex, &routing_table, timer).await;
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}
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}).fuse() => (),
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_ = terminate.async_wait().fuse() => (),
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_ = update_idle.async_wait().fuse() => ()
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}
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}
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}).fuse() => (),
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drop(_lock);
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_ = terminate.async_wait().fuse() => ()
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}
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}
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}).fuse() => (),
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connection.signal();
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});
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}
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loop {
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let mut stream = TcpStream::accept(1381, 0x10_000, 0x10_000).await.unwrap();
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if connection.try_wait().is_none() {
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// there is an existing connection
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terminate.signal();
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connection.async_wait().await;
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}
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let control = control.clone();
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let idle_kernel = idle_kernel.clone();
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let connection = connection.clone();
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let terminate = terminate.clone();
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let up_destinations = up_destinations.clone();
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let aux_mutex = aux_mutex.clone();
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let routing_table = drtio_routing_table.clone();
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// we make sure the value of terminate is 0 before we start
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let _ = terminate.try_wait();
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task::spawn(async move {
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let routing_table = routing_table.borrow();
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select_biased! {
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_ = (async {
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let _ = handle_connection(&mut stream, control.clone(), &up_destinations, &aux_mutex, &routing_table, timer)
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.await
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.map_err(|e| warn!("connection terminated: {}", e));
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if let Some(buffer) = &*idle_kernel {
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load_and_run_idle_kernel(&buffer, &control, &up_destinations, &aux_mutex, &routing_table, timer).await;
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}
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}).fuse() => (),
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_ = terminate.async_wait().fuse() => ()
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}
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connection.signal();
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let _ = stream.flush().await;
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let _ = stream.abort().await;
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});
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}
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}
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});
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});
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@ -229,10 +229,9 @@ async fn handle_connection(stream: &mut TcpStream, pull_id: Rc<RefCell<u32>>, cf
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}
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}
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}
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}
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pub fn start(cfg: Config) {
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pub fn start(cfg: Rc<Config>) {
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task::spawn(async move {
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task::spawn(async move {
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let pull_id = Rc::new(RefCell::new(0u32));
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let pull_id = Rc::new(RefCell::new(0u32));
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let cfg = Rc::new(cfg);
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loop {
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loop {
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let mut stream = TcpStream::accept(1380, 2048, 2048).await.unwrap();
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let mut stream = TcpStream::accept(1380, 2048, 2048).await.unwrap();
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let pull_id = pull_id.clone();
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let pull_id = pull_id.clone();
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