Using the Socket.IO framework with native WebSocket clients

Question

I am looking to leverage my existing (and quite simple) NodeJS+SocketIO server application with a new Android based client. This is not using the WebKit browser, but a native WebSocket client within the Android SDK.

I have found the library "Weberknecht" and loaded it into my Android project, and when I attempt a connection to the WebSocket URL I see a "WARN - client not handshaken client should reconnect" message in my NodeJS trace.

Presumably the SocketIO framework does some extra work pre-WebSocket and that is why I am having issues. Has anyone else done this kind of "cross-library" work against SocketIO, and if so could you offer any assistance please.

Nican · Accepted Answer · 2011-11-01 15:18:46Z

1

There is already a Java client for Socket.IO, you can look at the different port at the wiki page. Also, there is a description of the socket.IO protocol on the wiki page.

It seems like the first thing that Java port does when it connects is that it sends a "1::(path)" connect message. Are you sending the connect message?

answered Nov 1, 2011 at 15:18

Nican

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6 Comments

justacodemonkey Over a year ago

Agreed. I found this a day or so ago. I did have to do some recompiling work but I now have a simple JAR library which works in Android. I will be publishing this, with consent from the authors, ASAP.

Sagar Hatekar Over a year ago

@richbayliss Have you published the library somewhere?

justacodemonkey Over a year ago

@SagarHatekar unfortunately not yet. I have been tied up with other things. I will try and find some time to do this and I will update this thread with details.

Sagar Hatekar Over a year ago

@richbayliss Okay, waiting to check it out. What license do you plan to publish it with?

Anthony Webb Over a year ago

Hey Rich, I'd be interested in your lib that works on android, is it up yet?

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Sudar · Accepted Answer · 2012-10-30 05:08:00Z

1

If you are still looking for an answer, then checkout out https://github.com/koush/android-websockets, which got released recently. It has full support for socket.io server running in node.js

answered Oct 30, 2012 at 5:08

Sudar

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