[jdev] XEP-0100 and roster/legacy contact list sync

Tomasz Sterna tomek at xiaoka.com
Mon Dec 3 05:02:20 CST 2007

Dnia 02-12-2007, N o godzinie 00:59 +0100, Magnus Henoch pisze:
> A random idea: if the legacy server provides some kind of versioning
> of the contact list (ICQ does), the transport could save just the last
> version/date that was synced to the Jabber roster.  If there's a newer
> version on the legacy service, the transport can just send "subscribe"
> stanzas for _all_ contacts; the user's server will weed out the ones
> that already have subscription (section 5.1.6 of RFC 3921).

It does not even need to know anything had change.

In my transport I do this kind of synchronization (resubscribe to all
the users legacy contacts) every time a user logs in.
It's quick, simple and solves many problems related to presence mapping.

  /\_./o__ Tomasz Sterna
 (/^/(_^^'  Xiaoka.com
._.(_.)_  XMPP: smoku at xiaoka.com

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