first commit

crates/svc/examples/restart.rs

@@ -0,0 +1,56 @@
+use std::time::Duration;
+
+use tokio::time::sleep;
+
+use svc::error::{RunSvcError, SvcResult};
+use svc::manager::ServiceManager;
+
+async fn run() -> Result<(), RunSvcError> {
+    let dur = Duration::from_millis(200);
+
+    println!("Hello");
+
+    let mut counter = 0;
+
+    loop {
+        println!("{counter}");
+        sleep(dur).await;
+        counter += 1;
+    }
+}
+
+#[tokio::main]
+async fn main() -> SvcResult<()> {
+    pretty_env_logger::formatted_builder()
+        .filter_level(log::LevelFilter::Debug)
+        .parse_default_env()
+        .init();
+
+    let (mut client, future) = ServiceManager::spawn();
+
+    client.register_function("foo", run()).await?;
+
+    client.start("foo").await?;
+    println!("main: service configured");
+
+    client.wait_for_start("foo").await?;
+    println!("main: service started");
+
+    sleep(Duration::from_millis(1000)).await;
+
+    client.stop("foo").await?;
+    client.wait_for_stop("foo").await?;
+
+    println!("main: service stopped");
+
+    client.start("foo").await?;
+    client.wait_for_start("foo").await?;
+    println!("main: service started");
+
+    sleep(Duration::from_millis(1000)).await;
+    client.shutdown().await?;
+
+    future.await??;
+
+    Ok(())
+}