Re: [mosquitto-dev] monitor client ID

[Vishalkumar Maroorkar <vishalm101@xxxxxxxxx>]

Hi,

Does anyone tell me how to set a "will" to know unexpected disconnection to mqtt broker.

And also please provide me some examples on below options for mosquitto_pub client.

 --will-payload : payload for the client Will, which is sent by the broker in case of
                  unexpected disconnection. If not given and will-topic is set, a zero
                  length message will be sent.
 --will-qos : QoS level for the client Will.
 --will-retain : if given, make the client Will retained.
 --will-topic : the topic on which to publish the client Will.

Thanks,

Vishal

On Thu, Jul 16, 2015 at 11:57 AM, Nicholas O'Leary <nick.oleary@xxxxxxxxx> wrote:

Here's a more complete description of how you could do it...

http://stackoverflow.com/questions/23440043/implementing-xmpp-presence-feature-in-mqtt/23450804#23450804

Nick

On Thu, 16 Jul 2015 07:20 aventari <aventari@xxxxxxxxx> wrote:

Also you should set a will so that on unexpected disconnect, the 'will' will automatically set the presence to offline.

On Jul 15, 2015 10:37 PM, "Shirish Kumar" <shirish.kumar@xxxxxxxxx> wrote:
>
> I do think it is supported currently.  I have all my clients publish their presence on "presence" topics.  This also gives my a lot more flexibility in managing presence (other than just online/offline).
>
> On Wed, Jul 15, 2015 at 2:27 AM, Vishalkumar Maroorkar <vishalm101@xxxxxxxxx> wrote:
>>
>> Hi,
>>
>> Is there is any way to monitor which clients are connected or disconnected to mosquitto broker.
>> I need to check the presence of the client in MQTT, where as this feature is available in XMPP protocol.
>>
>> Thanks,
>> Vishal
>>
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