mqtt-users team mailing list archive

["Nicholas O'Leary" <nick.oleary@xxxxxxxxx>]

Hi,

I've done a very quick write-up of the presence technique:
   http://mqtt.org/wiki/doku.php/presence

Cheers,
Nick

On 7 June 2012 09:02, andypiperuk@xxxxxxxxx <andypiperuk@xxxxxxxxx> wrote:
> ... incidentally, this kind of protocol-specific question would be worth
> asking in the MQTT Google
> Group https://groups.google.com/forum/?fromgroups#!forum/mqtt
>
>
> On Thu, Jun 7, 2012 at 9:01 AM, andypiperuk@xxxxxxxxx
> <andypiperuk@xxxxxxxxx> wrote:
>>
>> One way you could deal with presence would be to have an app publish a
>> persistent message to some kind of presence topic when it starts, and have a
>> LWT to publish a message and tell others that it had gone away. This is an
>> area that we need to flesh out on the wiki at some point
>> (http://mqtt.org/wiki/doku.php/techniques?s[]=presence)
>>
>> I think the only way you'd be able to do the second thing would be to have
>> a broker expose its internal counters, so that is bound to be
>> implementation-specific. I don't know of a broker that provides that kind of
>> information today.
>>
>> On Wed, Jun 6, 2012 at 7:49 PM, Jesús Iglesias <osus@xxxxxxxxxxx> wrote:
>>>
>>> Hi guys!
>>>
>>> Is there any way to know if one client is conneted to the broker ata some
>>> time?
>>>
>>> One more, is there any way to know how many pending messages are for any
>>> innactive client with persistent connection?
>>>
>>> Thanks in advance,
>>> Jesus
>>>
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>>
>>
>>
>> --
>> Andy Piper | Farnborough, Hampshire (UK)
>> blog: http://andypiper.co.uk   |   skype: andypiperuk
>> twitter: @andypiper  |  images: http://www.flickr.com/photos/andypiper
>
>
>
>
> --
> Andy Piper | Farnborough, Hampshire (UK)
> blog: http://andypiper.co.uk   |   skype: andypiperuk
> twitter: @andypiper  |  images: http://www.flickr.com/photos/andypiper
>
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