Re: Sinatra stream(:keep_open) not holding connections open

["W. Andrew Loe III" <andrew-4trK/3dDa6Nl57MIdRCFDg@public.gmane.org>]

This appears to have been broken in my application in Rainbows 4.4.3.

On Tue, Dec 4, 2012 at 10:09 PM, W. Andrew Loe III <andrew-4trK/3dDa6Nl57MIdRCFDg@public.gmane.org> wrote:
> Works great! Thank you very much for the quick response and patch!
>
> Feature Request: https://github.com/celluloid/celluloid-io
> Celluloid::IO backend, the spiritual successor to cool.io. I'm going
> to take a stab at this soon, but wanted to get something out.
>
> On Tue, Dec 4, 2012 at 7:18 PM, Eric Wong <normalperson-rMlxZR9MS24@public.gmane.org> wrote:
>> "W. Andrew Loe III" <andrew-4trK/3dDa6Nl57MIdRCFDg@public.gmane.org> wrote:
>>> I've pushed a very very stripped down example that just echos the time.
>>> https://github.com/loe/sinatra-sse
>>
>> Thanks for the test case, I've just pushed out the following fix
>> to "master" of git://bogomips.org/rainbows.git
>>
>> I've pushed a rainbows 4.4.1.1.gd5c8c prerelease to RubyGems.org
>> It should be installable with: gem install --pre rainbows
>>
>> I expect this to work for you, but be sure to let me know if it doesn't :x
>>
>> Since this is a pretty small fix, I think I'll push 4.4.2 final
>> very soon.
>>
>> >From d5c8cc8b51619f0d33f75036c53e3936ad2749b2 Mon Sep 17 00:00:00 2001
>> From: Eric Wong <normalperson-rMlxZR9MS24@public.gmane.org>
>> Date: Wed, 5 Dec 2012 03:08:19 +0000
>> Subject: [PATCH] event_machine: properly defer body.close for async
>>
>> Calling body.close in the normal write_response() code path
>> is incorrect, and only worked out of sheer luck with
>> Cramp and async_sinata.
>>
>> This change allows stream(:keep_open) in Sinatra to work
>> properly.
>>
>> Thanks to W. Andrew Loe III for the informative bug report
>> and reproducible test case.
>>
>> ref: http://mid.gmane.org/CA+-9oNd1EFqsniPkkPTwu5opTCinbM7-2KHoXov7+y3LE4s4Tg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org
>> ---
>>  lib/rainbows/event_machine/client.rb | 3 +++
>>  1 file changed, 3 insertions(+)
>>
>> diff --git a/lib/rainbows/event_machine/client.rb b/lib/rainbows/event_machine/client.rb
>> index e56931f..fc0dfe3 100644
>> --- a/lib/rainbows/event_machine/client.rb
>> +++ b/lib/rainbows/event_machine/client.rb
>> @@ -64,8 +64,11 @@ class Rainbows::EventMachine::Client < EM::Connection
>>      @state = :headers if alive
>>      if body.respond_to?(:errback) && body.respond_to?(:callback)
>>        @deferred = body
>> +      write_headers(status, headers, alive)
>> +      write_body_each(body)
>>        deferred_errback(body)
>>        deferred_callback(body, alive)
>> +      return
>>      elsif body.respond_to?(:to_path)
>>        st = File.stat(path = body.to_path)
>>
>> --
>> Eric Wong
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