Transports
Martin Atkins
mart at degeneration.co.uk
Mon Jul 3 18:53:12 UTC 2006
Karjala wrote:
> There's not a lot of interesting information on the JEP page about
> components: http://www.jabber.org/jeps/jep-0114.html
>
> All there's there is how a component is to connect to the server.
>
> How should one figure out how the component adds people to your roster
> and transports messages to/from the other networks?
>
> Does anyone know anything about this stuff?
>
>
The roster will work the same way as it does normally:
* The user subscribes to the presence of (say)
JoeWhatever at msn.mydomain.com, which as usual sends a presence
subscription to that JID.
* Since that JID is "owned" by the MSN gateway, it can then add the user
to your MSN Messenger contact list, probably after using MSN's own
permission requesting protocol to contact JoeWhatever.
* When the MSN gateway recieves an "available" presence announcement
from your JID, it makes a connection to the MSN server and marks you
online, then when it gets back your roster it sends you an "available"
presence for each of the users on your MSN contact list that are online.
* As usual, your Jabber client sees these announcements and marks the
contacts as online.
The same principle applies for messages. The key thing is that you
configure the server to route messages to a JID with the domain (for
example) msn.mydomain.com to the component. It's then the component's
job to take whatever Jabber packets it recieves and turn them into the
equivilent message in the MSN Messenger (or AIM, Y!IM, whatever) protocol.
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