IPP> Duplicate ippget events

IPP> Duplicate ippget events

Marty Joel mjoel at netreon.com
Fri Jul 27 14:14:03 EDT 2001


"Michael Sweet" wrote:

> ...  How do I know what events the client hasn't already
> received?  Do I keep all events that haven't timed out, and every time
> a new poll comes in I send all active events?  That will mean that a
> client that polls more often than the event timeout period will get
> duplicates! (definitely *not* what I'd expect!)

Actually, the client will receive duplicate events when it polls faster
that the event timeout interval (which it must do to not lose events).
There's a timestamp in each event, which the client must use to discard
duplicates.

Marty





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