cli: Implement `rad node stop`

radicle-cli/src/commands/node/control.rs

@@ -44,9 +44,9 @@ pub fn start(daemon: bool, options: Vec<OsString>) -> anyhow::Result<()> {
 }
 
 pub fn stop(node: Node) -> anyhow::Result<()> {
-    let spinner = term::spinner("Stopping the node...");
-    if let Err(err) = node.shutdown() {
-        spinner.error(format!("Error occurred while shutting down node: {err}"));
+    let spinner = term::spinner("Stopping node...");
+    if node.shutdown().is_err() {
+        spinner.error("node is not running");
     } else {
         spinner.finish();
     }

radicle-node/src/control.rs

@@ -211,6 +211,7 @@ fn command<H: Handle<Error = runtime::HandleError> + 'static>(
             // Channel might already be disconnected if shutdown
             // came from somewhere else. Ignore errors.
             handle.shutdown().ok();
+            CommandResult::ok().to_writer(writer).ok();
         }
     }
     Ok(())

radicle/src/node.rs

@@ -10,7 +10,7 @@ use std::io::{BufRead, BufReader};
 use std::ops::Deref;
 use std::os::unix::net::UnixStream;
 use std::path::{Path, PathBuf};
-use std::{fmt, io, net, time};
+use std::{fmt, io, net, thread, time};
 
 use amplify::WrapperMut;
 use cyphernet::addr::{HostName, NetAddr};
@@ -697,7 +697,14 @@ impl Handle for Node {
     }
 
     fn shutdown(self) -> Result<(), Error> {
-        todo!();
+        for line in self.call::<&str, CommandResult>(CommandName::Shutdown, [], DEFAULT_TIMEOUT)? {
+            line?;
+        }
+        // Wait until the shutdown has completed.
+        while self.is_running() {
+            thread::sleep(time::Duration::from_secs(1));
+        }
+        Ok(())
     }
 }
 
@@ -709,7 +716,7 @@ pub trait AliasStore {
 
 impl<T: AliasStore + ?Sized> AliasStore for &T {
     fn alias(&self, nid: &NodeId) -> Option<String> {
-        dbg!((*self).alias(nid))
+        (*self).alias(nid)
     }
 }
 
@@ -721,7 +728,7 @@ impl<T: AliasStore + ?Sized> AliasStore for Box<T> {
 
 impl AliasStore for HashMap<NodeId, String> {
     fn alias(&self, nid: &NodeId) -> Option<String> {
-        dbg!(self.get(nid).map(ToOwned::to_owned))
+        self.get(nid).map(ToOwned::to_owned)
     }
 }