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From Ethan Jewett <esjew...@gmail.com>
Subject Re: pubsubhubbub
Date Fri, 21 May 2010 19:25:17 GMT
Ha! That's great. When you say "PubSubHubbub" I say "PSHB" and when you say
"PSHB" I say "PubSubHubbub". Meanwhile, Google says "PUSH". I think I'm
being subconsciously difficult ;-) Please do not be deterred :-)

Ethan

On Fri, May 21, 2010 at 2:23 PM, Ethan Jewett <esjewett@gmail.com> wrote:

> We would be a subscriber, though we could conceivably set up actions or
> something else that acts as a publisher as well. It's one of the options for
> really stream-ifying the API.
>
> This would only affect RSS/Atom actions. The way those actions currently
> work is that they poll an RSS feed when they are triggered. We almost always
> set them up to run regularly using an "every 5 mins" test, for example.
> PubSubHubbub gets rid of the need to poll at all, since the hub will
> automatically notify the ESME instance every time the feed is updated.
>
> This would kind of change the semantics of the RSS/Atom actions from being
> an action to being more of a test, actually. Interesting. Not sure if this
> is what we want. Does anyone use RSS/Atom actions with a test other than
> "every X mins"?
>
> Ethan
>
>
> On Fri, May 21, 2010 at 2:04 PM, Richard Hirsch <hirsch.dick@gmail.com>wrote:
>
>> Sounds way cool - so if I understand PSHB  correctly - we would then be a
>> subscriber as well as a publisher?  Why I don't completely understand is
>> the
>> connection to actions? Would there be a PHSB action that sends messages to
>> a
>> hub?
>>
>> D.
>>
>> On Fri, May 21, 2010 at 7:36 PM, Ethan Jewett <esjewett@gmail.com> wrote:
>>
>> > Not very far, but enough to build on, and I plan to keep going once I'm
>> on
>> > my sabbatical (starting in 1 week!!). There is a branch in the svn
>> > repository that has all my progress in it.
>> >
>> > The basic approach was in to parts:
>> >
>> > 1. Add an indicator to the action that the feed is PSHB-enabled
>> (determined
>> > by analyzing the feed when the action is polled), and in this case we
>> would
>> > never start the poller. Instead we would initiate a subscription.
>> >
>> > 2. The second half was to add a PSHB handler that could receive
>> callbacks
>> > from hubs related to specific actions and post messages based on these
>> > callbacks.
>> >
>> > I think I got about 1/3 done with each of these tasks :-)
>> >
>> > An additional nice-to-have would be to implement use of the optional
>> > signing
>> > scheme for hubs that support it, though this is not necessary to reach
>> our
>> > current level of security.
>> >
>> > Ethan
>> >
>> > On Fri, May 21, 2010 at 12:26 PM, Richard Hirsch <hirsch.dick@gmail.com
>> > >wrote:
>> >
>> > > @Ethan: Out of curiosity, how far did you get on your pubsubhubbub
>> > > implementation?
>> > >
>> > > D.
>> > >
>> >
>>
>
>

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