p2p: WIP implement rpc server for the p2p monitor

1 files changed, 33 insertions, 3 deletions

diff --git a/p2p/examples/monitor/src/client.rs b/p2p/examples/monitor/src/client.rs
index b81c286..2f4d00d 100644
--- a/p2p/examples/monitor/src/client.rs
+++ b/p2p/examples/monitor/src/client.rs
@@ -1,4 +1,5 @@
 use clap::Parser;
+use serde::{Deserialize, Serialize};
 
 use karyon_jsonrpc::Client;
 use karyon_p2p::endpoint::Endpoint;
@@ -11,6 +12,9 @@ struct Cli {
     rpc_endpoint: Endpoint,
 }
 
+#[derive(Deserialize, Serialize)]
+struct Pong {}
+
 fn main() {
     smol::block_on(async {
         env_logger::init();
@@ -32,18 +36,44 @@ fn main() {
             .await
             .expect("Subscribe to peer pool events");
 
+        let (_, sub3) = rpc
+            .subscribe("MonitorRPC.discovery_subscribe", ())
+            .await
+            .expect("Subscribe to discovery events");
+
+        smol::spawn(async move {
+            loop {
+                let event = sub.recv().await.expect("Receive connection event");
+                println!("Receive new connection event: {event}");
+            }
+        })
+        .detach();
+
         smol::spawn(async move {
             loop {
-                let _event = sub.recv().await.expect("Receive connection event");
+                let event = sub2.recv().await.expect("Receive peer pool event");
+                println!("Receive new peerpool event: {event}");
             }
         })
         .detach();
 
         smol::spawn(async move {
             loop {
-                let _event = sub2.recv().await.expect("Receive peer pool event");
+                let event = sub3.recv().await.expect("Receive discovery event");
+                println!("Receive new discovery event: {event}");
             }
         })
-        .await;
+        .detach();
+
+        // start ping-pong loop
+        loop {
+            smol::Timer::after(std::time::Duration::from_secs(1)).await;
+            let _: Pong = rpc
+                .call("MonitorRPC.ping", ())
+                .await
+                .expect("Receive pong message");
+
+            println!("Receive pong message");
+        }
     });
 }