@OnWebSocketMessage is a Jetty API for whole message delivery of websocket messages.
The internals of Jetty will aggregate the individual frames and then call your method with the entire message. For WebSocket frames access, don't use annotations, and instead use the org.eclipse.jetty.websocket.api.WebSocketFrameListener. http://download.eclipse.org/jetty/stable-9/apidocs/org/eclipse/jetty/websocket/api/WebSocketFrameListener.html The only scenario where @OnWebSocketMessage method will be called from different threads is if you are using a streaming based approach to handling. For each websocket message, the first frame will result in a dispatched @OnWebSocketMessage to you. Each dispatch will be on a new thread, this is to allow your websocket application the opportunity to read the websocket message via the java.io Stream APIs. When the message is finished (fin=true frame received), then the final payload is delivered to your prior dispatched thread and a new message is allowed to be started. To avoid this dispatch, use String (for websocket TEXT messages) or ByteBuffer (for websocket BINARY messages) object types in your @OnWebSocketMessage method, not streams. Those are delivered to your application's @OnWebSocketMessage in the same thread as the one managing the reads operations from the internal websocket connection. Joakim Erdfelt / [email protected] On Wed, Jan 10, 2018 at 5:48 PM, coudy <[email protected]> wrote: > I'm trying to process WS frames in incoming order per socket and am a bit > stuck. > > My `@OnWebSocketMessage` handler gets dispatched on various threads out of > the Jetty server thread pool, which seems to be used for all manner of > things, so I can't simply configure that to have one thread. > > As such it doesn't look like per-socket (per-session) threading is > configurable. Since messaging ordering in WS is obviously derived from > TCP's > the lack of configurability is extremely surprising. I hope I'm just > missing > something. > > Many thanks for any pointers. > > > > -- > Sent from: http://jetty.4.x6.nabble.com/Jetty-User-f3247280.html > _______________________________________________ > jetty-users mailing list > [email protected] > To change your delivery options, retrieve your password, or unsubscribe > from this list, visit > https://dev.eclipse.org/mailman/listinfo/jetty-users >
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