Sinatra stream(:keep_open) not holding connections open
W. Andrew Loe III
andrew at andrewloe.com
Sat Jan 19 01:01:58 UTC 2013
I was too quick to the gun, the change appears to be between Rack
1.4.1 and 1.4.2. Pinning my application to rack 1.4.1 and it works
well with kgio 2.8.0 and rainbows 4.4.3.
Broken here: https://github.com/rack/rack/commit/18ff5d4a70c93a49de62a359986c1567cb4bf00d
On Fri, Jan 18, 2013 at 4:21 PM, W. Andrew Loe III <andrew at andrewloe.com> wrote:
> 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 at andrewloe.com> 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 at yhbt.net> wrote:
>>> "W. Andrew Loe III" <andrew at andrewloe.com> wrote:
>>>> I've pushed a very very stripped down example that just echos the time.
>>> 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 18.104.22.168.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 at yhbt.net>
>>> 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
>>> Thanks to W. Andrew Loe III for the informative bug report
>>> and reproducible test case.
>>> ref: http://mid.gmane.org/CA+-9oNd1EFqsniPkkPTwu5opTCinbM7-2KHoXov7+y3LE4s4Tg@mail.gmail.com
>>> 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_callback(body, alive)
>>> + return
>>> elsif body.respond_to?(:to_path)
>>> st = File.stat(path = body.to_path)
>>> Eric Wong
>>> Rainbows! mailing list - rainbows-talk at rubyforge.org
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