Let's begin.
authorSunil Nimmagadda <sunil@nimmagadda.net>
Mon, 28 Nov 2022 08:49:32 +0530
changeset 0 32171fc0e41f
child 1 80281b8a2707
Let's begin. A skeletal async structure that provides two distinct timers and a signal handler using tokio.
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Cargo.lock
Cargo.toml
src/main.rs
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+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+tokio = { version = "1.22.0", features = ["full"] }
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/main.rs	Mon Nov 28 08:49:32 2022 +0530
@@ -0,0 +1,43 @@
+use tokio::signal::unix::{signal, SignalKind};
+use tokio::time;
+
+const ADV_INTERVAL: u64 = 3;
+const SKEW_INTERVAL: u64 = 1;
+
+async fn advert_handler() {
+    println!("3 second timer fired");
+}
+
+async fn skew_handler() {
+    println!("1 second timer fired");
+}
+
+async fn sighup_handler() {
+    println!("got SIGHUP");
+}
+
+#[tokio::main(flavor = "current_thread")]
+async fn main() {
+    let advert_handle = tokio::spawn(async move {
+        let mut advert_interval = time::interval(time::Duration::from_secs(ADV_INTERVAL));
+        loop {
+            advert_interval.tick().await;
+            advert_handler().await;
+        }
+    });
+    let skew_handle = tokio::spawn(async move {
+        let mut skew_interval = time::interval(time::Duration::from_secs(SKEW_INTERVAL));
+        loop {
+            skew_interval.tick().await;
+            skew_handler().await;
+        }
+    });
+    let sighup_handle = tokio::spawn(async move {
+        let mut stream = signal(SignalKind::hangup()).unwrap();
+        loop {
+            stream.recv().await;
+            sighup_handler().await;
+        }
+    });
+    let (_, _, _) = tokio::join!(advert_handle, skew_handle, sighup_handle);
+}