M-Labs/artiq-zynq
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pass restart_idle semaphore

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This commit is contained in:
Simon Renblad 2024-08-09 12:02:11 +08:00
parent 69e7d88dbc
commit 90312e2fb7
2 changed files with 16 additions and 6 deletions
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9
src/runtime/src/comms.rs
View File

@ -804,12 +804,14 @@ pub fn main(timer: GlobalTimer, cfg: Config) {
}
}
let cfg = Rc::new(cfg);
mgmt::start(cfg.clone());
let restart_idle = Rc::new(Semaphore::new(0, 1));
mgmt::start(cfg.clone(), restart_idle.clone());
task::spawn(async move {
let terminate = Rc::new(Semaphore::new(0, 1));
let running = Rc::new(Mutex::new(false));
let repeat_lock = Rc::new(Mutex::new(false));
let restart_idle = restart_idle.clone();
let cfg = cfg.clone();
let control = control.clone();
let up_destinations = up_destinations.clone();
@ -867,6 +869,7 @@ pub fn main(timer: GlobalTimer, cfg: Config) {
let terminate = terminate.clone();
let running = running.clone();
let repeat_lock = repeat_lock.clone();
let restart_idle = restart_idle.clone();
let _rep_lock = repeat_lock.async_lock().await;
drop(_rep_lock);
@ -881,6 +884,7 @@ pub fn main(timer: GlobalTimer, cfg: Config) {
}
}).fuse() => (),
_ = terminate.async_wait().fuse() => (),
_ = restart_idle.async_wait().fuse() => ()
}
info!("supposed to drop idle kernel");
drop(_lock);
@ -933,7 +937,8 @@ pub fn soft_panic_main(timer: GlobalTimer, cfg: Config) -> ! {
Sockets::init(32);
mgmt::start(Rc::new(cfg));
let dummy_restart = Rc::new(Semaphore::new(0, 1));
mgmt::start(Rc::new(cfg), dummy_restart);
// getting eth settings disables the LED as it resets GPIO
// need to re-enable it here

11
src/runtime/src/mgmt.rs
View File

@ -6,6 +6,7 @@ use libasync::{smoltcp::TcpStream, task};
use libboard_artiq::logger::{BufferLogger, LogBufferRef};
use libboard_zynq::{slcr, smoltcp};
use libconfig::Config;
use libcortex_a9::semaphore::Semaphore;
use log::{self, debug, error, info, warn, LevelFilter};
use num_derive::FromPrimitive;
use num_traits::FromPrimitive;
@ -111,7 +112,7 @@ async fn read_key(stream: &mut TcpStream) -> Result<String> {
Ok(String::from_utf8(buffer).unwrap())
}
async fn handle_connection(stream: &mut TcpStream, pull_id: Rc<RefCell<u32>>, cfg: Rc<Config>) -> Result<()> {
async fn handle_connection(stream: &mut TcpStream, pull_id: Rc<RefCell<u32>>, cfg: Rc<Config>, restart_idle: Rc<Semaphore>) -> Result<()> {
if !expect(&stream, b"ARTIQ management\n").await? {
return Err(Error::UnexpectedPattern);
}
@ -201,6 +202,9 @@ async fn handle_connection(stream: &mut TcpStream, pull_id: Rc<RefCell<u32>>, cf
if value.is_ok() {
debug!("write success");
write_i8(stream, Reply::Success as i8).await?;
if key == "idle_kernel" {
restart_idle.signal();
}
} else {
// this is an error because we do not expect write to fail
error!("failed to write: {:?}", value);
@ -229,16 +233,17 @@ async fn handle_connection(stream: &mut TcpStream, pull_id: Rc<RefCell<u32>>, cf
}
}
pub fn start(cfg: Rc<Config>) {
pub fn start(cfg: Rc<Config>, restart_idle: Rc<Semaphore>) {
task::spawn(async move {
let pull_id = Rc::new(RefCell::new(0u32));
loop {
let mut stream = TcpStream::accept(1380, 2048, 2048).await.unwrap();
let pull_id = pull_id.clone();
let restart_idle = restart_idle.clone();
let cfg = cfg.clone();
task::spawn(async move {
info!("received connection");
let _ = handle_connection(&mut stream, pull_id, cfg)
let _ = handle_connection(&mut stream, pull_id, cfg, restart_idle)
.await
.map_err(|e| warn!("connection terminated: {:?}", e));
let _ = stream.flush().await;