annotate mod_discoitems/mod_discoitems.lua @ 4877:adc6241e5d16

mod_measure_process: Report the enforced limit The soft limit is what the kernel actually enforces, while the hard limit is is how far you can change the soft limit without privileges. Unless the process dynamically adjusts the soft limit, knowing the hard limit is not as useful as knowing the soft limit. Reporting the soft limit and the number of in-use FDs allows placing alerts on expressions like 'process_open_fds / process_max_fds >= 0.95'
author Kim Alvefur <zash@zash.se>
date Tue, 18 Jan 2022 18:55:20 +0100
parents ae91c98b7e4c
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
78
ae91c98b7e4c mod_discoitems: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
1 -- mod_discoitems.lua
ae91c98b7e4c mod_discoitems: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
2 --
ae91c98b7e4c mod_discoitems: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
3 -- In the config, you can add:
ae91c98b7e4c mod_discoitems: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
4 --
ae91c98b7e4c mod_discoitems: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
5 -- disco_items = {
ae91c98b7e4c mod_discoitems: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
6 -- {"proxy.eu.jabber.org", "Jabber.org SOCKS5 service"};
ae91c98b7e4c mod_discoitems: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
7 -- {"conference.jabber.org", "The Jabber.org MUC"};
ae91c98b7e4c mod_discoitems: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
8 -- };
ae91c98b7e4c mod_discoitems: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
9 --
ae91c98b7e4c mod_discoitems: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
10
ae91c98b7e4c mod_discoitems: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
11 local st = require "util.stanza";
ae91c98b7e4c mod_discoitems: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
12
ae91c98b7e4c mod_discoitems: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
13 local result_query = st.stanza("query", {xmlns="http://jabber.org/protocol/disco#items"});
ae91c98b7e4c mod_discoitems: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
14 for _, item in ipairs(module:get_option("disco_items") or {}) do
ae91c98b7e4c mod_discoitems: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
15 result_query:tag("item", {jid=item[1], name=item[2]}):up();
ae91c98b7e4c mod_discoitems: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
16 end
ae91c98b7e4c mod_discoitems: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
17
ae91c98b7e4c mod_discoitems: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
18 module:hook('iq/host/http://jabber.org/protocol/disco#items:query', function(event)
ae91c98b7e4c mod_discoitems: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
19 local stanza = event.stanza;
ae91c98b7e4c mod_discoitems: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
20 local query = stanza.tags[1];
ae91c98b7e4c mod_discoitems: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
21 if stanza.attr.type == 'get' and not query.attr.node then
ae91c98b7e4c mod_discoitems: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
22 event.origin.send(st.reply(stanza):add_child(result_query));
ae91c98b7e4c mod_discoitems: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
23 return true;
ae91c98b7e4c mod_discoitems: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
24 end
ae91c98b7e4c mod_discoitems: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
25 end, 100);