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

Norman Rasmussen norman at rasmussen.co.za
Sat Dec 1 18:20:07 CST 2007

On Dec 1, 2007 11:59 PM, Magnus Henoch <mange at freemail.hu> wrote:

> 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).

fyi: jabberd2 didn't do this correctly at one point in time (2s10ish,
probably fixed by now), causing a subscription request _per user_ with the
old yahoo-c transport each time you logged in.

- Norman Rasmussen
- Email: norman at rasmussen.co.za
- Home page: http://norman.rasmussen.co.za/
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