[aerogear-dev] GCM3: InstanceID tokens versus 'old' tokens

[Matthias Wessendorf]

On Wed, Apr 20, 2016 at 2:42 PM, Summers Pittman <supittma at redhat.com>
wrote:

> One of the things to consider is that applications re-register each time
> they load.
>

right


> So an app can move from being registered with a GCM.register token to
> being registered with a InstanceID token.
>

right, but until than ;-)


>
> I think that instanceID tokens have ":"'s and GCM.register tokens do not.
>

right,


>
> We should probably make a contrived scenario where an app registered and
> then changes to InstanceID to see what happens.
>

I guess, it will get a token, following the new format.


>   It SHOULDN'T get double messages because the app update relaunch step
> should break the old gcm token.  But we need to test it.
>

I think for apps that (for what ever reason) not upgrade to newest AGDroid
SDK, we need to use the old way of pushing: query all tokens that do NOT
have a : inside

-M



>
> On Wed, Apr 20, 2016 at 7:33 AM, Matthias Wessendorf <matzew at apache.org>
> wrote:
>
>> Even if they were allowed... Apps, with older AGDroid SDKs aren't able to
>> subscribe. That means if the UPS server updates, they all would receive no
>> message :-)
>>
>> Therefore that look up for 'old' tokens is generally needed
>>
>> On Wed, Apr 20, 2016 at 1:23 PM, Matthias Wessendorf <matzew at apache.org>
>> wrote:
>>
>>>
>>>
>>> On Wed, Apr 20, 2016 at 12:19 PM, Matthias Wessendorf <matzew at apache.org
>>> > wrote:
>>>
>>>> Hi,
>>>>
>>>> the format for tokens received from InstanceID API have a slightly
>>>> different format:
>>>>
>>>> https://github.com/aerogear/aerogear-unifiedpush-server/commit/fa74eea6a183d852fb26773bb1b62cf9016c9157
>>>>
>>>> It's basically (prefix_string : RegistrationID).
>>>>
>>>> Now, in order to be able to subscribe on a topic is it _really_
>>>> required to have a 'new' InstanceID token ? I could not find a _clear_
>>>> statement
>>>>
>>>
>>> looks like InstanceID tokens are required:
>>>
>>> https://developers.google.com/android/reference/com/google/android/gms/gcm/GcmPubSub#public-methods
>>>
>>> But, on the other hand it does not mention that GCM.register() tokens
>>> are not allowed :-)
>>>
>>>
>>>>
>>>> I am asking because I'm working on the server hook to send topic
>>>> request.
>>>>
>>>> If the answer yes, only InstanceID tokens can subscribe, we need a
>>>> little switch on the server (not a show stopper):
>>>> 1) send /topics/{something} (should not affect 'old' tokens_
>>>> 2) fallback: find tokens w/o the ':', so we can fallback to pure
>>>> registration Id for "non-Instance ID " tokens
>>>>
>>>>
>>>> Thanks,
>>>> Matthias
>>>>
>>>> --
>>>> Matthias Wessendorf
>>>>
>>>> blog: http://matthiaswessendorf.wordpress.com/
>>>> sessions: http://www.slideshare.net/mwessendorf
>>>> twitter: http://twitter.com/mwessendorf
>>>>
>>>
>>>
>>>
>>> --
>>> Matthias Wessendorf
>>>
>>> blog: http://matthiaswessendorf.wordpress.com/
>>> sessions: http://www.slideshare.net/mwessendorf
>>> twitter: http://twitter.com/mwessendorf
>>>
>>
>>
>>
>> --
>> Matthias Wessendorf
>>
>> blog: http://matthiaswessendorf.wordpress.com/
>> sessions: http://www.slideshare.net/mwessendorf
>> twitter: http://twitter.com/mwessendorf
>>
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>
>
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-- 
Matthias Wessendorf

blog: http://matthiaswessendorf.wordpress.com/
sessions: http://www.slideshare.net/mwessendorf
twitter: http://twitter.com/mwessendorf
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