[JDEV] Writing presence-enabled agents/components

[Ralph Siemsen]

I'm having some difficulties writing an external jabber component(agent) to behave correctly with regards to presence - eg. I want users to be able to subscribe my agent and see its presence, and vice versa.

The agent accepts presence subscriptions (replies with 'subscribed') and also sends back its own subscription request, which the user has to accept of course. Then, the agent receives presence events whenever the user changes their status or disconnects - so far so good.

I'd like this to work the other way as well: if the agent disconnects for some reason, users who have it subscribed should see presence events. However it seems that the server does not forward such events automatically - ie. the "rebroadcasting" of presence to all interested parties does not seem to occur for an agent.

The only way around this seems to be to have the agent permanently store the JIDs of all users who have subscribed the agent. Then upon connect or disconnect, the agent has to explicitly send out presence events to all those JIDs.

Have I missed something obvious? Is the intention for agents to explicitly store their subscriber lists (on disk)? Or is there a way to make use of the existing code in jabberd but applied to an agent?

-Ralph


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