runtime-rs: Introduce a helper to check normal oom shutdown errors

It mainly for checking if an error is a normal oom shutdown error
due to network disconnection issues.

Signed-off-by: Alex Lyn <alex.lyn@antgroup.com>

src/runtime-rs/crates/runtimes/common/src/error.rs

@@ -21,3 +21,33 @@ pub enum Error {
     #[error("process already terminated")]
     ProcessAlreadyTerminated,
 }
+
+/// Common error messages indicating normal OOM shutdowns due to network issues.
+const NORMAL_OOM_SHUTDOWN_MESSAGES: &[&str] = &[
+    "Connection reset by peer",
+    "Broken pipe",
+    "transport endpoint is not connected",
+];
+
+/// Checks if an error indicates a normal oom shutdown due to network disconnections.
+///
+/// This function identifies errors that commonly occur when a connection is gracefully
+/// or unexpectedly terminated by the peer, such as network interruptions or the remote
+/// end closing the connection.
+pub fn is_normal_oom_shutdown_error(err: &anyhow::Error) -> bool {
+    // Check for common I/O error kinds that indicate connection issues.
+    if let Some(io_err) = err.downcast_ref::<std::io::Error>() {
+        match io_err.kind() {
+            std::io::ErrorKind::ConnectionReset
+            | std::io::ErrorKind::BrokenPipe
+            | std::io::ErrorKind::NotConnected => return true,
+            _ => {}
+        }
+    }
+
+    // Additionally, check the error message for specific substrings.
+    let error_string = err.to_string().to_lowercase();
+    NORMAL_OOM_SHUTDOWN_MESSAGES
+        .iter()
+        .any(|pattern| error_string.contains(&pattern.to_lowercase()))
+}