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, [email protected] <[email protected]> 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, [email protected] > <[email protected]> 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 <[email protected]> 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 >>> >>> _______________________________________________ >>> Mailing list: https://launchpad.net/~mqtt-users >>> Post to : [email protected] >>> Unsubscribe : https://launchpad.net/~mqtt-users >>> More help : https://help.launchpad.net/ListHelp >>> >> >> >> >> -- >> 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 > > _______________________________________________ > Mailing list: https://launchpad.net/~mqtt-users > Post to : [email protected] > Unsubscribe : https://launchpad.net/~mqtt-users > More help : https://help.launchpad.net/ListHelp > _______________________________________________ Mailing list: https://launchpad.net/~mqtt-users Post to : [email protected] Unsubscribe : https://launchpad.net/~mqtt-users More help : https://help.launchpad.net/ListHelp
