mod_sasl2_fast: Improve handling when SASL profile unexpectedly lacks CB
This fixes a traceback reported by riau, but likely does not solve the
underlying cause, whatever that is.
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summary: Presence deduplication module
labels:
- 'Stage-Alpha'
...
This module tries to squash incoming identical presence stanzas to save
some bandwidth at the cost of increased memory use.
Configuration
=============
Option Type Default
------------------------------ -------- ---------
presence\_dedup\_cache\_size number `100`
The only setting controls how many presence stanzas *per session* are
kept in memory for comparing with incoming presenece.
Requires Prosody 0.10 or later.