Turn Rust's ping/pong into libraries
We do this to add a pingpong_test.rs in the future that
uses the libraries.
Change-Id: Iab879ea06d40c2ef706f39d23e9b144aa266e0a5
Signed-off-by: James Kuszmaul <james.kuszmaul@bluerivertech.com>
diff --git a/aos/events/ping_lib.rs b/aos/events/ping_lib.rs
new file mode 100644
index 0000000..c4b3679
--- /dev/null
+++ b/aos/events/ping_lib.rs
@@ -0,0 +1,64 @@
+use aos_events_event_loop_runtime::{EventLoopRuntime, Sender, Watcher};
+use core::cell::Cell;
+use core::time::Duration;
+use futures::never::Never;
+use std::borrow::Borrow;
+
+use ping_rust_fbs::aos::examples as ping;
+use pong_rust_fbs::aos::examples as pong;
+
+#[derive(Debug)]
+pub struct PingTask {
+ counter: Cell<i32>,
+}
+
+impl PingTask {
+ pub fn new() -> Self {
+ Self {
+ counter: Cell::new(0),
+ }
+ }
+
+ /// Returns a future with all the tasks for the ping process
+ pub async fn tasks(&self, event_loop: EventLoopRuntime<'_>, sleep: u64) -> Never {
+ futures::join!(self.ping(&event_loop, sleep), self.handle_pong(&event_loop));
+ unreachable!("Let's hope `never_type` gets stabilized soon :)");
+ }
+
+ pub async fn ping(&self, event_loop: &EventLoopRuntime<'_>, sleep: u64) -> Never {
+ // The sender is used to send messages back to the pong channel.
+ let mut ping_sender: Sender<ping::Ping> = event_loop.make_sender("/test").unwrap();
+ let mut interval = event_loop.add_interval(Duration::from_micros(sleep));
+
+ let on_run = event_loop.on_run();
+ on_run.borrow().await;
+
+ loop {
+ interval.tick().await;
+ self.counter.set(self.counter.get() + 1);
+ let mut builder = ping_sender.make_builder();
+ let mut ping = ping::PingBuilder::new(builder.fbb());
+ let iter = self.counter.get();
+ ping.add_value(iter);
+ ping.add_send_time(event_loop.monotonic_now().into());
+ let ping = ping.finish();
+ builder.send(ping).expect("Can't send ping");
+ }
+ }
+
+ pub async fn handle_pong(&self, event_loop: &EventLoopRuntime<'_>) -> Never {
+ // The watcher gives us incoming ping messages.
+ let mut pong_watcher: Watcher<pong::Pong> = event_loop.make_watcher("/test").unwrap();
+
+ let on_run = event_loop.on_run();
+ on_run.borrow().await;
+ loop {
+ let pong = pong_watcher.next().await;
+ assert_eq!(
+ pong.message().unwrap().value(),
+ self.counter.get(),
+ "Missed a reply"
+ );
+ }
+ }
+}