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plugins/mod_csi.lua @ 10036:045209b41b3a 0.11
mod_pep: Handle presence based subscription outside of util.pubsub (fixes #1372)
Subscriptions were updated for each incoming presence stanza from
contacts. Each subscription change triggered a configuration save, which
would filter out the presence based subscriptions and usually end up
replacing the existing data with identical data. With many subscribed
nodes this adds up to a fair bit of IO bound work that is avoided by
keeping them separate.
author | Kim Alvefur <zash@zash.se> |
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date | Thu, 30 May 2019 15:16:56 +0200 |
parent | 9653:91856829f18b |
child | 10427:35bc8d495569 |
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local st = require "util.stanza"; local xmlns_csi = "urn:xmpp:csi:0"; local csi_feature = st.stanza("csi", { xmlns = xmlns_csi }); module:hook("stream-features", function (event) if event.origin.username then event.features:add_child(csi_feature); end end); function refire_event(name) return function (event) if event.origin.username then event.origin.state = event.stanza.name; module:fire_event(name, event); return true; end end; end module:hook("stanza/"..xmlns_csi..":active", refire_event("csi-client-active")); module:hook("stanza/"..xmlns_csi..":inactive", refire_event("csi-client-inactive"));