Software /
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prosody-modules
Changeset
3507:5c37d759b1e2
mod_csi_grace_period: Server-side grace period logic for CSI
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Sun, 31 Mar 2019 04:49:56 +0200 (2019-03-31) |
parents | 3506:7b1eede1a840 |
children | 3508:a98a3922bc01 |
files | mod_csi_grace_period/README.markdown mod_csi_grace_period/mod_csi_grace_period.lua |
diffstat | 2 files changed, 51 insertions(+), 0 deletions(-) [+] |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mod_csi_grace_period/README.markdown Sun Mar 31 04:49:56 2019 +0200 @@ -0,0 +1,7 @@ +This module helps reduces power usage of inactive mobile clients while +another client is actively used. E.g. in the case of chatting on a +desktop computer, instantly pushing messages to a phone in someones +pocket is not the best use of radio time. + +Works with [mod_csi_simple][doc:modules:mod_csi_simple] which is +included with Prosody since 0.11
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mod_csi_grace_period/mod_csi_grace_period.lua Sun Mar 31 04:49:56 2019 +0200 @@ -0,0 +1,44 @@ +-- Copyright (c) 2019 Kim Alvefur +-- +-- This project is MIT/X11 licensed. Please see the +-- COPYING file in the source package for more information. +-- +-- Yes, this module touches stores data in user sessions +-- luacheck: ignore 122 + +local grace_period = module:get_option_number("grace_period", 30); + +local user_sessions = prosody.hosts[module.host].sessions; + +module:hook("csi-is-stanza-important", function (event) + if event.stanza.name ~= "message" then return end + local session = event.session; + if not session then return; end + + local user_session = user_sessions[session.username]; + if not user_session then return; end + + if user_sessions.grace_time_start then + if user_sessions.last_active == session.resource then + return; + end + if (os.time() - user_sessions.grace_time_start) < grace_period then + session.log("debug", "Within grace period, probably seen"); + return false; + end + end +end, 1); + +local function on_activity(event) + local stanza, origin = event.stanza, event.origin; + local user_session = user_sessions[origin.username]; + if not user_session then return; end + + if stanza:get_child("body") or stanza:get_child("active", "http://jabber.org/protocol/chatstates") then + user_sessions.last_active = origin.resource; + user_sessions.grace_time_start = os.time(); + end +end +module:hook("pre-message/full", on_activity); +module:hook("pre-message/bare", on_activity); +module:hook("pre-message/host", on_activity);