Chunked Encoding Response Check (Chunk Response Handler)

[ypo...@twitter.com]

Hello,

Running into a use case that I'm having a hard time finding info for. I'm currently interacting with a system that returns a chunked transfer response when a GET is performed:

* Connected to localhost (::1) port 8080 (#0)
> GET <url> HTTP/1.1
> Host: localhost:8080
> User-Agent: curl/7.43.0
> Accept: */*

HTTP/1.1 200 OK
Content-Type: application/json
Content-Disposition: attachment; filename=json.json
Pragma: no-cache
Cache-Control: no-cache, no-store, must-revalidate, pre-check=0, post-check=0
Server: <Server>
Date: Tue, 09 Aug 2016 17:37:21 GMT
Transfer-Encoding: chunked

Each chunk then contains a message that is being streamed. Gatling doesn't currently seem to run checks until a response is fully received, which never happens since the connection is kept open for streaming. Is there something that I can do so that I can check the body as a chunk arrives?

Thanks

[ypo...@twitter.com]

this is with the latest stable, 2.2.2

[Stéphane LANDELLE]

Well, we do support Server Sent Events, which looks VERY similar to what you're doing.

Stéphane Landelle

GatlingCorp CEO

slan...@gatling.io

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[ypo...@twitter.com]

Oh wow thanks, I didn't realize that was the purpose. Let me try using that and get back to you on the result. Thanks again!

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[Stéphane LANDELLE]

Beware that SSE chunks must comply with the spec.

If you've implemented your own custom protocol, you'll be stuck. But then, the question would be: why not stick to a standard such as SSE or WebSocket?

Stéphane Landelle

GatlingCorp CEO

slan...@gatling.io

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[ypo...@twitter.com]

It is a custom protocol, but it seems to be very close to the sse spec, I was able to parse messages with that. Json was broken due to not being in spec, but the raw regex worked great. Thanks for the help.