fix(rome_cli): ensures the service only connects to compatible versions

crates/rome_cli/src/commands/rage.rs

@@ -9,6 +9,7 @@ use std::{env, io, ops::Deref};
 use tokio::runtime::Runtime;
 
 use crate::commands::daemon::read_most_recent_log_file;
+use crate::service::enumerate_pipes;
 use crate::{service, CliSession, Termination, VERSION};
 
 /// Handler for the `rage` command
@@ -85,38 +86,71 @@ struct RunningRomeServer;
 
 impl Display for RunningRomeServer {
     fn fmt(&self, f: &mut Formatter) -> io::Result<()> {
-        let runtime = Runtime::new()?;
-
-        match service::open_transport(runtime) {
-            Ok(None) => {
-                return markup!(
-                    {Section("Server")}
-                    {KeyValuePair("Status", markup!(<Dim>"stopped"</Dim>))}
-                )
-                .fmt(f);
+        let versions = match enumerate_pipes() {
+            Ok(iter) => iter,
+            Err(err) => {
+                (markup! {<Error>"\u{2716} Enumerating Rome instances failed:"</Error>}).fmt(f)?;
+                return writeln!(f, " {err}");
             }
-            Ok(Some(transport)) => {
-                markup!("\n"<Emphasis>"Running Rome Server:"</Emphasis>" "{HorizontalLine::new(78)}"
+        };
+
+        for version in versions {
+            if version == rome_service::VERSION {
+                let runtime = Runtime::new()?;
+                match service::open_transport(runtime) {
+                    Ok(None) => {
+                        markup!(
+                            {Section("Server")}
+                            {KeyValuePair("Status", markup!(<Dim>"stopped"</Dim>))}
+                        )
+                        .fmt(f)?;
+                        continue;
+                    }
+                    Ok(Some(transport)) => {
+                        markup!("\n"<Emphasis>"Running Rome Server:"</Emphasis>" "{HorizontalLine::new(78)}"
 
 "<Info>"\u{2139} The client isn't connected to any server but rage discovered this running Rome server."</Info>"
 ")
                 .fmt(f)?;
 
-                match client(transport) {
-                    Ok(client) => WorkspaceRage(client.deref()).fmt(f)?,
+                        match client(transport) {
+                            Ok(client) => WorkspaceRage(client.deref()).fmt(f)?,
+                            Err(err) => {
+                                markup!(<Error>"\u{2716} Failed to connect: "</Error>).fmt(f)?;
+                                writeln!(f, "{err}")?;
+                            }
+                        }
+                    }
                     Err(err) => {
-                        markup!(<Error>"\u{2716} Failed to connect: "</Error>).fmt(f)?;
+                        markup!("\n"<Error>"\u{2716} Failed to connect: "</Error>).fmt(f)?;
                         writeln!(f, "{err}")?;
                     }
                 }
+
+                RomeServerLog.fmt(f)?;
+            } else {
+                markup!("\n"<Emphasis>"Incompatible Rome Server:"</Emphasis>" "{HorizontalLine::new(78)}"
+
+"<Info>"\u{2139} Rage discovered this running server using an incompatible version of Rome."</Info>"
+")
+        .fmt(f)?;
+
+                // Version 10.0.0 and below did not include a service version in the pipe name
+                let version = if version.is_empty() {
+                    "<=10.0.0"
+                } else {
+                    version.as_str()
+                };
+
+                markup!(
+                    {Section("Server")}
+                    {KeyValuePair("Version", markup!({version}))}
+                )
+                .fmt(f)?;
             }
-            Err(err) => {
-                markup!("\n"<Error>"\u{2716} Failed to connect: "</Error>).fmt(f)?;
-                writeln!(f, "{err}")?;
-            }
-        };
+        }
 
-        RomeServerLog.fmt(f)
+        Ok(())
     }
 }
 

crates/rome_cli/src/service/mod.rs

@@ -43,14 +43,16 @@ use tokio::{
 #[cfg(windows)]
 mod windows;
 #[cfg(windows)]
-pub(crate) use self::windows::{ensure_daemon, open_socket, print_socket, run_daemon};
+pub(crate) use self::windows::{
+    ensure_daemon, enumerate_pipes, open_socket, print_socket, run_daemon,
+};
 
 #[cfg(unix)]
 mod unix;
 #[cfg(unix)]
-pub(crate) use self::unix::open_socket;
-#[cfg(unix)]
-pub(crate) use self::unix::{ensure_daemon, print_socket, run_daemon};
+pub(crate) use self::unix::{
+    ensure_daemon, enumerate_pipes, open_socket, print_socket, run_daemon,
+};
 
 /// Tries to open a connection to a running daemon instance, returning a
 /// [WorkspaceTransport] instance if the socket is currently active

crates/rome_cli/src/service/unix.rs

@@ -21,7 +21,24 @@ use tracing::Instrument;
 /// Returns the filesystem path of the global socket used to communicate with
 /// the server daemon
 fn get_socket_name() -> PathBuf {
-    env::temp_dir().join("rome-socket")
+    env::temp_dir().join(format!("rome-socket-{}", rome_service::VERSION))
+}
+
+pub(crate) fn enumerate_pipes() -> io::Result<impl Iterator<Item = String>> {
+    fs::read_dir(env::temp_dir()).map(|iter| {
+        iter.filter_map(|entry| {
+            let entry = entry.ok()?.path();
+            let file_name = entry.file_name()?;
+            let file_name = file_name.to_str()?;
+
+            let rome_version = file_name.strip_prefix("rome-socket")?;
+            if rome_version.is_empty() {
+                Some(String::new())
+            } else {
+                Some(rome_version.strip_prefix('-')?.to_string())
+            }
+        })
+    })
 }
 
 /// Try to connect to the global socket and wait for the connection to become ready

crates/rome_cli/src/service/windows.rs

@@ -1,6 +1,7 @@
 use std::{
     convert::Infallible,
     env,
+    fs::read_dir,
     io::{self, ErrorKind},
     mem::swap,
     os::windows::process::CommandExt,
@@ -19,16 +20,36 @@ use tokio::{
 };
 use tracing::Instrument;
 
-/// Name of the global named pipe used to communicate with the server daemon
-const PIPE_NAME: &str = r"\\.\pipe\rome-service";
+/// Returns the name of the global named pipe used to communicate with the
+/// server daemon
+fn get_pipe_name() -> String {
+    format!(r"\\.\pipe\rome-service-{}", rome_service::VERSION)
+}
+
+pub(crate) fn enumerate_pipes() -> io::Result<impl Iterator<Item = String>> {
+    read_dir(r"\\.\pipe").map(|iter| {
+        iter.filter_map(|entry| {
+            let entry = entry.ok()?.path();
+            let file_name = entry.file_name()?;
+            let file_name = file_name.to_str()?;
+
+            let rome_version = file_name.strip_prefix("rome-service")?;
+            if rome_version.is_empty() {
+                Some(String::new())
+            } else {
+                Some(rome_version.strip_prefix('-')?.to_string())
+            }
+        })
+    })
+}
 
 /// Error code from the Win32 API
 const ERROR_PIPE_BUSY: i32 = 231;
 
 /// Try to connect to the global pipe and wait for the connection to become ready
 async fn try_connect() -> io::Result<NamedPipeClient> {
     loop {
-        match ClientOptions::new().open(PIPE_NAME) {
+        match ClientOptions::new().open(get_pipe_name()) {
             Ok(client) => return Ok(client),
             // If the connection failed with ERROR_PIPE_BUSY, wait a few
             // milliseconds then retry the connection (we should be using
@@ -165,7 +186,7 @@ pub(crate) async fn ensure_daemon() -> io::Result<bool> {
 /// print the global pipe name in the standard output
 pub(crate) async fn print_socket() -> io::Result<()> {
     ensure_daemon().await?;
-    println!("{PIPE_NAME}");
+    println!("{}", get_pipe_name());
     Ok(())
 }
 
@@ -174,11 +195,11 @@ pub(crate) async fn print_socket() -> io::Result<()> {
 pub(crate) async fn run_daemon(factory: ServerFactory) -> io::Result<Infallible> {
     let mut prev_server = ServerOptions::new()
         .first_pipe_instance(true)
-        .create(PIPE_NAME)?;
+        .create(get_pipe_name())?;
 
     loop {
         prev_server.connect().await?;
-        let mut next_server = ServerOptions::new().create(PIPE_NAME)?;
+        let mut next_server = ServerOptions::new().create(get_pipe_name())?;
         swap(&mut prev_server, &mut next_server);
 
         let connection = factory.create();