Mercurial > prosody-modules

annotate mod_delay/mod_delay.lua @ 2395:2e641ab995b3

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mod_cloud_notify: added code to respond to the new event "smacks-ack-delayed" issued by mod_smacks when acks are delayed for a certain amount of time. This allows to send out notification requests before the read timeout or connection close event really happens, thus allowing conversations to be smoother.
author tmolitor <thilo@eightysoft.de>
date Thu, 24 Nov 2016 01:15:08 +0100
parents 3b2c94ea0c2e
children 05248d5a7166
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2393
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tmolitor <thilo@eightysoft.de>
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1 local add_filter = require "util.filters".add_filter;
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2 local remove_filter = require "util.filters".remove_filter;
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3 local datetime = require "util.datetime";
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4
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5 local xmlns_delay = "urn:xmpp:delay";
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6
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7 -- Raise an error if the modules has been loaded as a component in prosody's config
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8 if module:get_host_type() == "component" then
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9 error(module.name.." should NOT be loaded as a component, check out http://prosody.im/doc/components", 0);
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10 end
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11
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12 local add_delay = function(stanza, session)
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13 if stanza and stanza.name == "message" and stanza:get_child("delay", xmlns_delay) == nil then
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14 -- session.log("debug", "adding delay to message %s", tostring(stanza));
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15 stanza = stanza:tag("delay", { xmlns = xmlns_delay, from = session.host, stamp = datetime.datetime()});
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16 end
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17 return stanza;
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18 end
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19
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20 module:hook("resource-bind", function(event)
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21 add_filter(event.session, "stanzas/in", add_delay, 1);
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22 end);
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23
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24 module:hook("pre-resource-unbind", function (event)
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25 remove_filter(event.session, "stanzas/in", add_delay);
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26 end);