Re: [Libguestfs] Provide NBD via Browser over Websockets

>> (2) You need to persuade qemu's NBD client to read from a WebSocket. >> I didn't really know anything about WebSockets until today but it >> seems as if they are a full-duplex protocol layered on top of HTTP [a]. >> Is there a WebSocket proxy that turns WS into plain TCP (a bit like >> stunnel)? Google suggests [b]. >> >> [a] https://en.wikipedia.org/wiki/WebSocket#Protocol_handshake >> [b] https://github.com/novnc/websockify > > qemu already knows how to connect as a client to websockets; Dan Berrange > knows more about that setup. I suspect it would not be too difficult to > teach the qemu NBD client code to use a WebSocket instead of a Unix or TCP > socket as its data source. Actually the inverse. The QIOChannelWebsocket impl is only the server side of the problem, as used by QEMU's VNC server. We've never implemented the client side. There is nothing especially stopping us doing that - just needs someone motivated with time to work on it.