krata: begin work on idm channel

crates/kratart/examples/channel.rs

@@ -1,19 +1,23 @@
 use anyhow::Result;
 use env_logger::Env;
-use kratart::chan::KrataChannelService;
-use xenevtchn::EventChannel;
-use xengnt::GrantTab;
-use xenstore::XsdClient;
+use kratart::channel::ChannelService;
 
 #[tokio::main]
 async fn main() -> Result<()> {
     env_logger::Builder::from_env(Env::default().default_filter_or("info")).init();
 
-    let mut krata = KrataChannelService::new(
-        EventChannel::open().await?,
-        XsdClient::open().await?,
-        GrantTab::open()?,
-    )?;
-    krata.watch().await?;
+    let (service, mut receiver) = ChannelService::new("krata-channel".to_string()).await?;
+    let task = service.launch().await?;
+
+    loop {
+        let Some((id, data)) = receiver.recv().await else {
+            break;
+        };
+
+        println!("domain {} = {:?}", id, data);
+    }
+
+    task.abort();
+
     Ok(())
 }