Mercurial > prosody-modules
view mod_throttle_presence/mod_throttle_presence.lua @ 4887:806f7c8d830b
mod_ping_muc: Remove 'kick' status code
The intent is "you fell off", not "you were kicked out", however older
clients may not recognise the 333 code, but that will have to be an
acceptable loss.
author | Kim Alvefur <zash@zash.se> |
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date | Mon, 07 Feb 2022 16:52:19 +0100 |
parents | 552faee596b7 |
children |
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local filters = require "util.filters"; local st = require "util.stanza"; module:depends("csi"); local function presence_filter(stanza, session) if getmetatable(stanza) ~= st.stanza_mt then return stanza; -- Things we don't want to touch end if stanza._flush then stanza._flush = nil; return stanza; end local buffer = session.presence_buffer; local from = stanza.attr.from; if stanza.name == "presence" and (stanza.attr.type == nil or stanza.attr.type == "unavailable") then module:log("debug", "Buffering presence stanza from %s to %s", stanza.attr.from, session.full_jid); buffer[stanza.attr.from] = st.clone(stanza); return nil; -- Drop this stanza (we've stored it for later) else local cached_presence = buffer[stanza.attr.from]; if cached_presence then module:log("debug", "Important stanza for %s from %s, flushing presence", session.full_jid, from); stanza._flush = true; cached_presence._flush = true; session.send(cached_presence); buffer[stanza.attr.from] = nil; end end return stanza; end local function throttle_session(event) local session = event.origin; if session.presence_buffer then return; end module:log("debug", "Suppressing presence updates to %s", session.full_jid); session.presence_buffer = {}; filters.add_filter(session, "stanzas/out", presence_filter); end local function restore_session(event) local session = event.origin; if not session.presence_buffer then return; end filters.remove_filter(session, "stanzas/out", presence_filter); module:log("debug", "Flushing buffer for %s", session.full_jid); for jid, presence in pairs(session.presence_buffer) do session.send(presence); end session.presence_buffer = nil; end module:hook("csi-client-inactive", throttle_session); module:hook("csi-client-active", restore_session);