Add WebSocketStream::get_config method to get the WebSocket configu…

…ration. (#900)

poem/src/web/websocket/stream.rs

@@ -6,7 +6,7 @@ use std::{
 
 use futures_util::{Sink, SinkExt, Stream, StreamExt};
 
-use super::{utils::tungstenite_error_to_io_error, Message};
+use super::{utils::tungstenite_error_to_io_error, Message, WebSocketConfig};
 use crate::Upgraded;
 
 /// A `WebSocket` stream, which implements [`Stream<Message>`] and
@@ -19,6 +19,11 @@ impl WebSocketStream {
     pub(crate) fn new(inner: tokio_tungstenite::WebSocketStream<Upgraded>) -> Self {
         Self { inner }
     }
+
+    /// Returns a reference to the configuration of the stream.
+    pub fn get_config(&self) -> &WebSocketConfig {
+        self.inner.get_config()
+    }
 }
 
 impl Stream for WebSocketStream {