I propose,
 1) user cant disconnect consumers in another nodes. ( simplifies the
approach).
 2) there need to be a permission around it.
 3) it could for any subscriber ( may be lets leave out MQTT for a bit)
whose misbehaving.


On Thu, Dec 3, 2015 at 11:31 AM, Sajini De Silva <[email protected]> wrote:

> Hi Hasitha,
>
> We haven't implemented the MQTT UI yet. Therefore IMO its better not to
> implement this feature for MQTT for now. We can consider it when
> implementing MQTT UI in our major release. WDYT?
>
> Thank you,
> Sajini
>
> On Thu, Dec 3, 2015 at 11:19 AM, Hasitha Hiranya <[email protected]>
> wrote:
>
>> Hi,
>>
>> There is a feature request that Message Broker should support to
>> forcefully disconnect a subscriber. This means, server should be able to
>> disconnect misbehaving subscribers. Server has a control over it.
>>
>> Steps to do this would be
>>
>> 1. Find a way to disconnect the socket from mina transport level.
>> 2. Send a message to Andes core to delete (disconnect) the subscriber.
>>
>> At step two the node that is disconnecting  the socket, will broadcast a
>> Hazelcast message that this subscriber is closed.
>>
>> With above implementation steps, a limitation is introduced as "you can
>> only disconnect the subscribers originated to that node only". For example,
>> say there is a MB cluster MB1, MB2, MB3. There is sub1 for MB1 and sub2 for
>> MB2. You need to go to MB1's web console to disconnect sub1 and MB2's web
>> console to disconnect sub2. So cluster aspect is lost there.
>>
>> Thus two implementation approaches are there
>>
>> 1. Forceful disconnection can be done only from the node subscriber is
>> connected to.
>> 2. Forceful disconnection can be done from any node (this is bit complex.
>> Involves Hazelcast notifications)
>>
>> As our end goal for implementation would option 1 be adequate?
>> Or do we need to reach out for option 2 as well?
>> Do we need to facilitate this for any subscription type
>> (queue/topic/durable topic/shared durable topic) ? What about MQTT
>> subscribers?
>>
>> Also what are the permissions a user should have to perform this action?
>> Are we going to introduce a new permission type?
>>
>> Thanks
>> --
>> *Hasitha Abeykoon*
>> Senior Software Engineer; WSO2, Inc.; http://wso2.com
>> *cell:* *+94 719363063*
>> *blog: **abeykoon.blogspot.com* <http://abeykoon.blogspot.com>
>>
>>
>> _______________________________________________
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>>
>>
>
>
> --
> Sajini De SIlva
> Software Engineer; WSO2 Inc.; http://wso2.com ,
> Email: [email protected]
> Blog: http://sajinid.blogspot.com/
> Git hub profile: https://github.com/sajinidesilva
>
> Phone: +94 712797729
>
>


-- 
Ramith Jayasinghe
Technical Lead
WSO2 Inc., http://wso2.com
lean.enterprise.middleware

E: [email protected]
P: +94 777542851
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