Doing something wrong? oboe not reacting to streaming data

[tomorgan]

I have this JS on my page:

oboe(requestUri)
.node('*', function( Thing ){
alert('data!');
})
.fail(function() {
alert('problems');
});
});

The requestUri returns an open connection (which never closes) and sends JSON. Here's an example of what it would send:

[{"Attribute":"att1","ID":"test1@test.com","Value":"value1"},{"Attribute":"att2","ID":"test2@test.com","Value":"value2\r\n"}]

It'll send a series of these, as things change. Each time it sends a [ ] containing 1 or more { } (the example shows 2), followed by a line break. Is all that OK for Oboe?

(The \r\n is in the data I'm using - I just noticed it but don't think it would cause a problem?)

I'm using Chrome. Using Dev Tools and Fiddler, I see the initial OPTIONS call (in fact, I had to code the response for it as I didn't have one!), then the GET being made. The data is returned (I've tested using a console app), but Oboe doesn't show anything. No errors in Console window...just nothing.

Am I wrong in trying to use Oboe for streaming HTTP data, or have I missed something?

Thanks for any help here :)

-tom

[jimhigson]

It looks like you are using it right. Your assumptions are correct - Oboe doesn't care about object/array etc ('*' should match either type). Newlines, so long as the JSON remains valid, should be ignored.

That you are using CORS shouldn't have any impact either, at least in Chrome.

All I can think of right now: is your stream gzipped? Perhaps the deflate compressor is holding back transmitting until it gets a certain size of buffer filled. Under Node.js/zlib you can set it to flush like this:

zlib.createGzip({
   flush: zlib.Z_SYNC_FLUSH
})

The integration tests for streamability with CORS are passing against Chrome so I don't think there is a bug in the library.

[ooxi]

How big is the response? Could you set up a testcase somewhere?

[ooxi]

Since no feedback was provided for several months this issue should be closed (can be reopened as soon as feedback is available @tomorgan)

[jimhigson]

Yes, quite agree. I need to tidy up here and there in the issues section - @ooxi thanks for pointing this out. @tomorgan will be happy to investigate when more info can be provided.