[aerogear-dev] Possible to send anything other than version number to simple push?
Daniel Bevenius
daniel.bevenius at gmail.com
Fri Apr 4 04:24:02 EDT 2014
Hi Michi,
just wanted to chime in that the SimplePush server does support multiple
registrations like Seb has described. If your clients have WebSocket
support there will only be a single WebSocket connection and messages will
flow over it. You can see the information that is returned from a
registration here [1], and the format of the notification is described here
[2].
If you'd like to verify the behaviour of the SimplePush Server there is a
very basic client that I use for manual testing which you can try[3]. Using
your browsers debug utilities you should be able to inspect the WebSocket
frames and hence the information in the registrations and notifications.
Hope this helps. Let us know if you have any other questions.
Regards,
/Dan
[1]
https://github.com/aerogear/aerogear-simplepush-server/tree/master/server-core#register
[2]
https://github.com/aerogear/aerogear-simplepush-server/tree/master/server-core#notification
[3]
https://github.com/aerogear/aerogear-simplepush-server/tree/master/server-netty#python-webserver
On 4 April 2014 10:02, Sebastien Blanc <scm.blanc at gmail.com> wrote:
> Hey Michi,
> I realized that the code I pointed you to could be a bit confusing and
> also contains a small bug.
>
> I wrote this gist based on the quickstart example. Basically we register
> to 2 channels : mail and news, we store the channelID and map that with a
> String containing the service name, then in the onNotification we check
> which service to call :
>
> https://gist.github.com/sebastienblanc/9970129
>
> Hope this example will make more sense !
>
> Seb
>
>
>
>
> On Thu, Apr 3, 2014 at 8:53 PM, Sebastien Blanc <scm.blanc at gmail.com>wrote:
>
>> Looks at this more advanced example here
>> https://github.com/aerogear/aerogear-aerodoc-web/blob/master/scripts/services/notifierService.js
>>
>>
>> You will see that we register 2 times and we get 2 different endpoints.
>> Then you have to keep somewhere a link between your endpoint and let's say
>> the service you want to associate to , like using the localStorage :
>> localStorage.setItem(theEndpoint, "scoreService");
>>
>> Then when you receive a message, besides the version (which is btw not
>> mandatory to be used) you also receive the channelId, then you can choose
>> which service to call :
>>
>>
>> navigator.setMessageHandler("push", function(message) {
>>
>> var myService = localStorage.get(message.channelID);
>> //now based on this you can call your specific log
>> });
>>
>>
>> I Hope this will help you.
>>
>>
>>
>>
>>
>> On Thu, Apr 3, 2014 at 8:03 PM, Michi Oshima <michi.oshima at gmail.com>wrote:
>>
>>> Thank you, Sebastien. I'll try multiple registration. Although, I'm a
>>> bit confused. Because:
>>>
>>>
>>> 1. As far as I can see from the quick start example<https://github.com/aerogear/aerogear-simplepush-unifiedpush-quickstart>,
>>> per SPS Client, there'll be one registration with the SimplePush server.
>>> That means I only get one endpoint.
>>> 2. So I'd use the same endpoint to register multiple times with the
>>> unified push server using different category each time.
>>> 3. When the SPS client receives a version number, how can it
>>> associate a given version number to a particular category? (I've not seen
>>> categories reaching the client.)
>>>
>>>
>>> Am I wrong somewhere above?
>>>
>>>
>>>
>>> On Thu, Apr 3, 2014 at 10:53 AM, Sebastien Blanc <scm.blanc at gmail.com>wrote:
>>>
>>>>
>>>>
>>>>
>>>> On Thu, Apr 3, 2014 at 4:41 PM, Michi Oshima <michi.oshima at gmail.com>wrote:
>>>>
>>>>> Hi Lucas,
>>>>>
>>>>> Following might do what I want (sending a "door bell" message in one
>>>>> shot to all variants)? Send a unified message like the following one:
>>>>>
>>>>>
>>>>> - '{ "message": { "version":"123" }, "simple-push": "version=123"
>>>>> }'
>>>>>
>>>>>
>>>>> One slight deviation is that mobile variants like iOS and Android will
>>>>> get the message regardless of whether the the version number is "old" or
>>>>> not. Is this correct?
>>>>>
>>>>
>>>> Yes iOS/Android ignore the version since that is really something tied
>>>> to Simple Push
>>>>
>>>>>
>>>>> So I revisited the SimplePush spec<https://wiki.mozilla.org/WebAPI/SimplePush>,
>>>>> and I noticed it describes support for subscription to multiple channels.
>>>>>
>>>>> Aerogear doesn't allow multiple channels per installation, correct? I
>>>>> dug up an old post from Matthias:
>>>>>
>>>>>
>>>>> -
>>>>> http://aerogear-dev.1069024.n5.nabble.com/aerogear-dev-SimplePush-Registration-of-quot-Mobile-Variant-instance-quot-w-Unified-Push-Server-tt2805.html#none
>>>>>
>>>>> Well yes, but multiple installations can belong to the same SPS
>>>> Client. You can register multiple time, differentiate them by passing them
>>>> a category for instance.
>>>>
>>>>
>>>>>
>>>>> -
>>>>>
>>>>>
>>>>> If an installation can subscribe to multiple channels, then it would
>>>>> allow me to get what I originally asked about:
>>>>>
>>>>> Me: 'My client application (javascript on browser) holds multiple
>>>>> types of data. It would be nice if I can send a notification saying
>>>>> "there's an update for this data type", rather than just "there's an
>>>>> update". Or, in general it'd be nice if I can send more information than
>>>>> just a monotonically increasing number. '
>>>>>
>>>>>
>>>>> What do you think?
>>>>>
>>>>
>>>> That would be quite a breaking change and we need to discuss that, in
>>>> the same time, as said before, you can still register a single client to
>>>> multiple channels (and es you will have multiple installations but that do
>>>> not really matter)
>>>>
>>>>
>>>>>
>>>>>
>>>>>
>>>>> On Wed, Apr 2, 2014 at 11:44 AM, Lucas Holmquist <lholmqui at redhat.com>wrote:
>>>>>
>>>>>> On Apr 2, 2014, at 11:38 AM, Michi Oshima <michi.oshima at gmail.com>
>>>>>> wrote:
>>>>>>
>>>>>> Thanks, Lucas. I read the spec yesterday and ended up looking at
>>>>>> disturbing auctions for 30 minutes. I'll read it again.
>>>>>>
>>>>>> Another question, is there a way to send a "door bell" message *in
>>>>>> one shot* to all iOS, Android, and SimplePush variants?
>>>>>>
>>>>>>
>>>>>> well, iOS and Android notifications aren't really doorbells, but you
>>>>>> can send a "message" to all clients that are registered in your Push Server.
>>>>>>
>>>>>> we have a Java client
>>>>>> http://aerogear.org/docs/guides/GetStartedwithJavaSender/
>>>>>>
>>>>>> and a node.js client for this
>>>>>> https://www.npmjs.org/package/aerogear-sender-client
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> (m:)
>>>>>>
>>>>>>
>>>>>> On Wed, Apr 2, 2014 at 11:04 AM, Lucas Holmquist <lholmqui at redhat.com
>>>>>> > wrote:
>>>>>>
>>>>>>> SimplePush works only as a "door bell" to tell your app, hey, you
>>>>>>> should go look on your server.
>>>>>>>
>>>>>>> this is the spec https://wiki.mozilla.org/WebAPI/SimplePush
>>>>>>>
>>>>>>>
>>>>>>> On Apr 2, 2014, at 11:02 AM, Michi Oshima <michi.oshima at gmail.com>
>>>>>>> wrote:
>>>>>>>
>>>>>>> Hi,
>>>>>>>
>>>>>>> Yesterday I managed to send my first message to a browser. Thanks
>>>>>>> for all your help.
>>>>>>>
>>>>>>> I've tried sending a few different types of messages, and it so far
>>>>>>> appears to me the only thing I can send to a simple push client is a
>>>>>>> version number. Can a simple push client receive anything else other than
>>>>>>> version numbers? If so, what does the sender need to do, and what does the
>>>>>>> client need to do? (If there is a good example somewhere online I can work
>>>>>>> from that also.)
>>>>>>>
>>>>>>> My client application (javascript on browser) holds multiple types
>>>>>>> of data. It would be nice if I can send a notification saying "there's an
>>>>>>> update for this data type", rather than just "there's an update". Or, in
>>>>>>> general it'd be nice if I can send more information than just a
>>>>>>> monotonically increasing number.
>>>>>>>
>>>>>>> Here's my setup:
>>>>>>>
>>>>>>>
>>>>>>> - AeroGear Push Server 0.10.0 hosted on OpenShift.
>>>>>>> - Sender is a JBoss app using
>>>>>>> org.jboss.aerogear.unifiedpush.JavaSender
>>>>>>> (unifiedpush-java-client-0.5.0.jar).
>>>>>>> - Client is a web browser using aerogear.js 1.4.0.
>>>>>>>
>>>>>>>
>>>>>>> I read this documentation<http://aerogear.org/docs/specs/aerogear-push-messages/>,
>>>>>>> but my wishful thinking refused to interpret it as saying: SimplePush
>>>>>>> variants use the "extra simple-push object" only.
>>>>>>>
>>>>>>> Thank you,
>>>>>>>
>>>>>>> Michi Oshima
>>>>>>>
>>>>>>> _______________________________________________
>>>>>>> aerogear-dev mailing list
>>>>>>> aerogear-dev at lists.jboss.org
>>>>>>> https://lists.jboss.org/mailman/listinfo/aerogear-dev
>>>>>>>
>>>>>>>
>>>>>>>
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>>>>>>>
>>>>>>
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>>>>>
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