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annotate mod_throttle_presence/mod_throttle_presence.lua @ 4565:3b2ae854842c

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mod_muc_bot: Save occupant to room This has some side-effects: Firstly, the bot shows up in occupant list, which is nice. Secondly, the bot starts receiving messages from the room which might be wanted, but it would be better to join the room for real in this case.
author Kim Alvefur <zash@zash.se>
date Sat, 10 Apr 2021 19:23:25 +0200
parents 552faee596b7
children
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d8c50448d0e7 mod_throttle_presence: Remove timer support, depend on mod_csi to enable/disable. Untested, but the previous version was definitely broken anyway.
Matthew Wild <mwild1@gmail.com>
parents: 162
diff changeset
1 local filters = require "util.filters";
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2 local st = require "util.stanza";
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3
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4 module:depends("csi");
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6 local function presence_filter(stanza, session)
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7 if getmetatable(stanza) ~= st.stanza_mt then
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8 return stanza; -- Things we don't want to touch
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9 end
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10 if stanza._flush then
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11 stanza._flush = nil;
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12 return stanza;
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13 end
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d8c50448d0e7 mod_throttle_presence: Remove timer support, depend on mod_csi to enable/disable. Untested, but the previous version was definitely broken anyway.
Matthew Wild <mwild1@gmail.com>
parents: 162
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14 local buffer = session.presence_buffer;
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parents: 162
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15 local from = stanza.attr.from;
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16 if stanza.name == "presence" and (stanza.attr.type == nil or stanza.attr.type == "unavailable") then
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17 module:log("debug", "Buffering presence stanza from %s to %s", stanza.attr.from, session.full_jid);
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18 buffer[stanza.attr.from] = st.clone(stanza);
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19 return nil; -- Drop this stanza (we've stored it for later)
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20 else
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21 local cached_presence = buffer[stanza.attr.from];
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parents: 162
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22 if cached_presence then
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parents: 162
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23 module:log("debug", "Important stanza for %s from %s, flushing presence", session.full_jid, from);
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24 stanza._flush = true;
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25 cached_presence._flush = true;
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parents: 162
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26 session.send(cached_presence);
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parents: 162
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27 buffer[stanza.attr.from] = nil;
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28 end
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parents:
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29 end
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parents: 162
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30 return stanza;
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31 end
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parents:
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parents: 162
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33 local function throttle_session(event)
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34 local session = event.origin;
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Matthew Wild <mwild1@gmail.com>
parents: 162
diff changeset
35 if session.presence_buffer then return; end
d8c50448d0e7 mod_throttle_presence: Remove timer support, depend on mod_csi to enable/disable. Untested, but the previous version was definitely broken anyway.
Matthew Wild <mwild1@gmail.com>
parents: 162
diff changeset
36 module:log("debug", "Suppressing presence updates to %s", session.full_jid);
d8c50448d0e7 mod_throttle_presence: Remove timer support, depend on mod_csi to enable/disable. Untested, but the previous version was definitely broken anyway.
Matthew Wild <mwild1@gmail.com>
parents: 162
diff changeset
37 session.presence_buffer = {};
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Matthew Wild <mwild1@gmail.com>
parents: 162
diff changeset
38 filters.add_filter(session, "stanzas/out", presence_filter);
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parents: 162
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39 end
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parents:
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Matthew Wild <mwild1@gmail.com>
parents: 162
diff changeset
41 local function restore_session(event)
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42 local session = event.origin;
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parents: 162
diff changeset
43 if not session.presence_buffer then return; end
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parents: 162
diff changeset
44 filters.remove_filter(session, "stanzas/out", presence_filter);
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parents: 162
diff changeset
45 module:log("debug", "Flushing buffer for %s", session.full_jid);
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parents: 162
diff changeset
46 for jid, presence in pairs(session.presence_buffer) do
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parents: 162
diff changeset
47 session.send(presence);
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parents: 162
diff changeset
48 end
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parents: 162
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49 session.presence_buffer = nil;
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parents: 162
diff changeset
50 end
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parents: 162
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parents: 162
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52 module:hook("csi-client-inactive", throttle_session);
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parents: 162
diff changeset
53 module:hook("csi-client-active", restore_session);