netty, haproxy, websockets v76

[Marc Hämmerle]

Would it help if i supplied a gist (written in Scala)?

Am 26.06.2011 um 23:24 schrieb Marc Hämmerle:

> When haproxy is used in http-mode it splits incoming upgrade-requests for websockets as the nonce (8 byte) in the body of the request is not http-compliant. The Server then acknowledges that he's indeed capable of handling websockets, replies with the first part of the response-header and handles the nonce and second part of the response-header afterwards (working Python/Tornado solution: http://groups.google.com/group/python-tornado/browse_thread/thread/fdc3d62c5b3725aa).
> 
> The problem - besides a totally broken WebSocket 76 spec - is that netty won't decode(via the HttpRequestDecoder in the pipeline) the incoming http request when the nonce is not present; in my handler just the handler for the channel connect is called, but not the handler for received messages - so the connection times out.
> 
> This works (as far as netty is concerned):
> 
> # request begin
> GET /ws/ HTTP/1.1
> Upgrade: WebSocket
> Connection: Upgrade
> Host: localhost
> Origin: http://localhost
> Sec-WebSocket-Key1: 290  q =2 9y 7,41  t   q #18U
> Sec-WebSocket-Key2: 56  4} 61 494  6
> 
> 12345678
> # request end
> 
> but this doesn't work:
> 
> # request begin
> GET /ws/ HTTP/1.1
> Upgrade: WebSocket
> Connection: Upgrade
> Host: localhost
> Origin: http://localhost
> Sec-WebSocket-Key1: 290  q =2 9y 7,41  t   q #18U
> Sec-WebSocket-Key2: 56  4} 61 494  6
> 
> 
> # request end
> 
> 
> Can anybody point me in the right direction to solve this, without implementing a HttpRequestDecoder from the ground up? Is this a bug or is it intended behaviour?
> 
> 
> Cheers.
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> netty-users at lists.jboss.org
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