ejabberd
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Broadcast presence change after multicast presence packet
After having send a presence multicast directed presence, we need to keep track of it in c2s state to broadcast presence changes.
When sending a directed presence multicast packet, we need to keep track of all of the recipient as directed presence target.
If you send this multicast presence, you are able to join two MUC rooms with a single packet:
<presence to='multicast.localhost'>
<addresses xmlns='http://jabber.org/protocol/address'>
<address type='bcc' jid='[email protected]/Usernick'/>
<address type='bcc' jid='[email protected]/Usernick'/>
</addresses>
</presence>
However, when you disconnect, you are still seen as online in those rooms.
Discussion on StackOverflow: http://stackoverflow.com/questions/31781137/how-to-join-multiple-rooms-by-just-sending-one-presence-message-to-ejabberd-se
I have ejabberd 15.07 setup and have enabled mod_multicast module , for sending multicast presence packet which is not working and i also monitor exceptionally high cpu usage on server .
@Nitin3588 You should update to 15.09 as we fix an issue that could relate to your problem.
15.09 includes some fixes. broadcast of the unavailable presence remains to be done. a XEP update was submitted and we are waiting for approval
@alexeyshch The XEP has been updated. The change can now be added to ejabberd 😄
