Mercurial > prosody-modules

annotate mod_pubsub_mqtt/README.markdown @ 5962:a86720654fb9

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
mod_muc_moderation_delay: Fix lua 5.3/5.4 compatibility.
author John Livingston <git@john-livingston.fr>
date Tue, 10 Sep 2024 18:03:03 +0200
parents 58df53eefa28
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1803
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1 ---
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents:
diff changeset
2 labels:
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents:
diff changeset
3 - 'Stage-Beta'
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents:
diff changeset
4 summary: 'MQTT interface to Prosody''s pubsub'
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents:
diff changeset
5 ...
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents:
diff changeset
6
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents:
diff changeset
7 Introduction
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents:
diff changeset
8 ------------
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents:
diff changeset
9
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents:
diff changeset
10 [MQTT](http://mqtt.org/) is a lightweight binary pubsub protocol suited
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents:
diff changeset
11 to embedded devices. This module provides a way for MQTT clients to
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents:
diff changeset
12 connect to Prosody and publish or subscribe to local pubsub nodes.
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents:
diff changeset
13
5833
58df53eefa28 mod_pubsub_mqtt: Update to MQTT 3.1.1
Matthew Wild <mwild1@gmail.com>
parents: 3320
diff changeset
14 The module currently implements MQTT version 3.1.1.
58df53eefa28 mod_pubsub_mqtt: Update to MQTT 3.1.1
Matthew Wild <mwild1@gmail.com>
parents: 3320
diff changeset
15
1803
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents:
diff changeset
16 Details
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents:
diff changeset
17 -------
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents:
diff changeset
18
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents:
diff changeset
19 MQTT has the concept of 'topics' (similar to XMPP's pubsub 'nodes').
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents:
diff changeset
20 mod\_pubsub\_mqtt maps pubsub nodes to MQTT topics of the form
5833
58df53eefa28 mod_pubsub_mqtt: Update to MQTT 3.1.1
Matthew Wild <mwild1@gmail.com>
parents: 3320
diff changeset
21 `<HOST>/<TYPE>/<NODE>`, e.g.`pubsub.example.org/json/mynode`.
58df53eefa28 mod_pubsub_mqtt: Update to MQTT 3.1.1
Matthew Wild <mwild1@gmail.com>
parents: 3320
diff changeset
22
58df53eefa28 mod_pubsub_mqtt: Update to MQTT 3.1.1
Matthew Wild <mwild1@gmail.com>
parents: 3320
diff changeset
23 The 'TYPE' parameter in the topic allows the client to choose the payload
58df53eefa28 mod_pubsub_mqtt: Update to MQTT 3.1.1
Matthew Wild <mwild1@gmail.com>
parents: 3320
diff changeset
24 format it will send/receive. For the supported values of 'TYPE' see the
58df53eefa28 mod_pubsub_mqtt: Update to MQTT 3.1.1
Matthew Wild <mwild1@gmail.com>
parents: 3320
diff changeset
25 'Payloads' section below.
1803
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents:
diff changeset
26
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents:
diff changeset
27 ### Limitations
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents:
diff changeset
28
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents:
diff changeset
29 The current implementation is quite basic, and in particular:
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents:
diff changeset
30
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents:
diff changeset
31 - Authentication is not supported
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents:
diff changeset
32 - Only QoS level 0 is supported
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents:
diff changeset
33
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents:
diff changeset
34 ### Payloads
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents:
diff changeset
35
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents:
diff changeset
36 XMPP payloads are always XML, but MQTT does not define a payload format.
5833
58df53eefa28 mod_pubsub_mqtt: Update to MQTT 3.1.1
Matthew Wild <mwild1@gmail.com>
parents: 3320
diff changeset
37 Therefore mod\_pubsub\_mqtt has some built-in data format translators.
58df53eefa28 mod_pubsub_mqtt: Update to MQTT 3.1.1
Matthew Wild <mwild1@gmail.com>
parents: 3320
diff changeset
38
58df53eefa28 mod_pubsub_mqtt: Update to MQTT 3.1.1
Matthew Wild <mwild1@gmail.com>
parents: 3320
diff changeset
39 Currently supported data types:
1803
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents:
diff changeset
40
5833
58df53eefa28 mod_pubsub_mqtt: Update to MQTT 3.1.1
Matthew Wild <mwild1@gmail.com>
parents: 3320
diff changeset
41 - `json`: See [XEP-0335](http://xmpp.org/extensions/xep-0335.html) for
58df53eefa28 mod_pubsub_mqtt: Update to MQTT 3.1.1
Matthew Wild <mwild1@gmail.com>
parents: 3320
diff changeset
42 the format.
58df53eefa28 mod_pubsub_mqtt: Update to MQTT 3.1.1
Matthew Wild <mwild1@gmail.com>
parents: 3320
diff changeset
43 - `utf8`: Plain UTF-8 text (wrapped inside
1803
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents:
diff changeset
44 `<data xmlns="https://prosody.im/protocol/mqtt"/>`)
5833
58df53eefa28 mod_pubsub_mqtt: Update to MQTT 3.1.1
Matthew Wild <mwild1@gmail.com>
parents: 3320
diff changeset
45 - `atom_title`: Returns the title of an Atom entry as UTF-8 data
1803
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents:
diff changeset
46
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents:
diff changeset
47 Configuration
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents:
diff changeset
48 -------------
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents:
diff changeset
49
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents:
diff changeset
50 There is no special configuration for this module. Simply load it on
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents:
diff changeset
51 your pubsub host like so:
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents:
diff changeset
52
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents:
diff changeset
53 Component "pubsub.example.org" "pubsub"
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents:
diff changeset
54 modules_enabled = { "pubsub_mqtt" }
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents:
diff changeset
55
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents:
diff changeset
56 You may also configure which port(s) mod\_pubsub\_mqtt listens on using
5833
58df53eefa28 mod_pubsub_mqtt: Update to MQTT 3.1.1
Matthew Wild <mwild1@gmail.com>
parents: 3320
diff changeset
57 Prosody's standard config directives, such as `mqtt_ports` and
58df53eefa28 mod_pubsub_mqtt: Update to MQTT 3.1.1
Matthew Wild <mwild1@gmail.com>
parents: 3320
diff changeset
58 `mqtt_tls_ports`. Network settings **must** be specified in the global section
58df53eefa28 mod_pubsub_mqtt: Update to MQTT 3.1.1
Matthew Wild <mwild1@gmail.com>
parents: 3320
diff changeset
59 of the config file, not under any particular pubsub component. The default
58df53eefa28 mod_pubsub_mqtt: Update to MQTT 3.1.1
Matthew Wild <mwild1@gmail.com>
parents: 3320
diff changeset
60 port is 1883 (MQTT's standard port number) and 8883 for TLS connections.
1803
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents:
diff changeset
61
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents:
diff changeset
62 Compatibility
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents:
diff changeset
63 -------------
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents:
diff changeset
64
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents:
diff changeset
65 ------- --------------
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents:
diff changeset
66 trunk Works
5833
58df53eefa28 mod_pubsub_mqtt: Update to MQTT 3.1.1
Matthew Wild <mwild1@gmail.com>
parents: 3320
diff changeset
67 0.12 Works
1803
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents:
diff changeset
68 ------- --------------