File

plugins/mod_offline.lua @ 11539:3413fea9e6db 0.11

util.startup: Set more aggressive defaults for GC Testing has demonstrated that the default GC parameters are not sufficient to prevent runaway memory growth when running under Lua 5.2 and Lua 5.3. Setting the GC speed to 500 was tested on Lua versions 5.1->5.4 and did not display unbounded memory growth.
author Matthew Wild <mwild1@gmail.com>
date Fri, 07 May 2021 16:41:39 +0100
parent 8030:bd3527198308
child 10242:7e5d2a6c9390
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-- Prosody IM
-- Copyright (C) 2008-2009 Matthew Wild
-- Copyright (C) 2008-2009 Waqas Hussain
--
-- This project is MIT/X11 licensed. Please see the
-- COPYING file in the source package for more information.
--


local datetime = require "util.datetime";
local jid_split = require "util.jid".split;

local offline_messages = module:open_store("offline", "archive");

module:add_feature("msgoffline");

module:hook("message/offline/handle", function(event)
	local origin, stanza = event.origin, event.stanza;
	local to = stanza.attr.to;
	local node;
	if to then
		node = jid_split(to)
	else
		node = origin.username;
	end

	return offline_messages:append(node, nil, stanza, os.time(), "");
end, -1);

module:hook("message/offline/broadcast", function(event)
	local origin = event.origin;

	local node, host = origin.username, origin.host;

	local data = offline_messages:find(node);
	if not data then return true; end
	for _, stanza, when in data do
		stanza:tag("delay", {xmlns = "urn:xmpp:delay", from = host, stamp = datetime.datetime(when)}):up(); -- XEP-0203
		origin.send(stanza);
	end
	offline_messages:delete(node);
	return true;
end, -1);