prosody
f36f7d2c269b
core/modulemanager.lua

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core/modulemanager.lua @ 10288:f36f7d2c269b

core.modulemanager: Split lists across multiple lines for improved readability Patches will also be easier to read.
author Kim Alvefur <zash@zash.se>
date Sun, 29 Sep 2019 17:07:39 +0200
parent 10250:1006739de449
child 10434:8f709577fe8e
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 -- Prosody IM
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2 -- Copyright (C) 2008-2010 Matthew Wild
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3 -- Copyright (C) 2008-2010 Waqas Hussain
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4 --
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b1885732e979 GPL->MIT!
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5 -- This project is MIT/X11 licensed. Please see the
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6 -- COPYING file in the source package for more information.
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7 --
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8
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9 local logger = require "util.logger";
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10 local log = logger.init("modulemanager");
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11 local config = require "core.configmanager";
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12 local pluginloader = require "util.pluginloader";
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13 local set = require "util.set";
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14
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15 local new_multitable = require "util.multitable".new;
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16 local api = require "core.moduleapi"; -- Module API container
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17
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18 local prosody = prosody;
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19 local hosts = prosody.hosts;
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20
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21 local xpcall = require "util.xpcall".xpcall;
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22 local debug_traceback = debug.traceback;
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23 local setmetatable, rawget = setmetatable, rawget;
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24 local ipairs, pairs, type, t_insert = ipairs, pairs, type, table.insert;
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25
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26 local autoload_modules = {
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27 prosody.platform,
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28 "presence",
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29 "message",
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30 "iq",
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31 "offline",
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32 "c2s",
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33 "s2s",
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34 "s2s_auth_certs",
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35 };
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36 local component_inheritable_modules = {
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37 "tls",
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38 "saslauth",
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39 "dialback",
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40 "iq",
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41 "s2s",
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42 "s2s_bidi",
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43 };
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44
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45 -- We need this to let modules access the real global namespace
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46 local _G = _G;
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47
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48 local _ENV = nil;
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49 -- luacheck: std none
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50
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51 local load_modules_for_host, load, unload, reload, get_module, get_items;
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52 local get_modules, is_loaded, module_has_method, call_module_method;
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53
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54 -- [host] = { [module] = module_env }
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55 local modulemap = { ["*"] = {} };
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56
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57 -- Get the list of modules to be loaded on a host
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58 local function get_modules_for_host(host)
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59 local component = config.get(host, "component_module");
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60
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61 local global_modules_enabled = config.get("*", "modules_enabled");
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62 local global_modules_disabled = config.get("*", "modules_disabled");
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63 local host_modules_enabled = config.get(host, "modules_enabled");
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64 local host_modules_disabled = config.get(host, "modules_disabled");
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65
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66 if host_modules_enabled == global_modules_enabled then host_modules_enabled = nil; end
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67 if host_modules_disabled == global_modules_disabled then host_modules_disabled = nil; end
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68
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69 local global_modules = set.new(autoload_modules) + set.new(global_modules_enabled) - set.new(global_modules_disabled);
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70 if component then
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71 global_modules = set.intersection(set.new(component_inheritable_modules), global_modules);
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72 end
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73 local modules = (global_modules + set.new(host_modules_enabled)) - set.new(host_modules_disabled);
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74
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75 -- COMPAT w/ pre 0.8
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76 if modules:contains("console") then
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77 log("error", "The mod_console plugin has been renamed to mod_admin_telnet. Please update your config.");
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78 modules:remove("console");
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79 modules:add("admin_telnet");
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80 end
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81
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82 return modules, component;
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83 end
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84
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85 -- Load modules when a host is activated
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86 function load_modules_for_host(host)
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87 local modules, component_module = get_modules_for_host(host);
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88
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89 -- Ensure component module is loaded first
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90 if component_module then
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91 load(host, component_module);
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92 end
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93 for module in modules do
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94 load(host, module);
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95 end
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96 end
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97 prosody.events.add_handler("host-activated", load_modules_for_host);
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98 prosody.events.add_handler("host-deactivated", function (host)
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99 modulemap[host] = nil;
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100 end);
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101
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102 --- Private helpers ---
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103
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104 local function do_unload_module(host, name)
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105 local mod = get_module(host, name);
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106 if not mod then return nil, "module-not-loaded"; end
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107
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108 if module_has_method(mod, "unload") then
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109 local ok, err = call_module_method(mod, "unload");
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110 if (not ok) and err then
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111 log("warn", "Non-fatal error unloading module '%s' on '%s': %s", name, host, err);
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112 end
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113 end
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114
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115 for object, event, handler in mod.module.event_handlers:iter(nil, nil, nil) do
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116 object.remove_handler(event, handler);
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117 end
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118
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119 if mod.module.items then -- remove items
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120 local events = (host == "*" and prosody.events) or hosts[host].events;
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parents: 2072
diff changeset
121 for key,t in pairs(mod.module.items) do
fbddc3ed0d09 modulemanager: Fire item-removed events on module unload.
Waqas Hussain <waqas20@gmail.com>
parents: 2072
diff changeset
122 for i = #t,1,-1 do
fbddc3ed0d09 modulemanager: Fire item-removed events on module unload.
Waqas Hussain <waqas20@gmail.com>
parents: 2072
diff changeset
123 local value = t[i];
fbddc3ed0d09 modulemanager: Fire item-removed events on module unload.
Waqas Hussain <waqas20@gmail.com>
parents: 2072
diff changeset
124 t[i] = nil;
4604
eef5e3a83792 modulemanager: Use appropriate events object for global modules when firing item-removed on unload
Matthew Wild <mwild1@gmail.com>
parents: 4565
diff changeset
125 events.fire_event("item-removed/"..key, {source = mod.module, item = value});
2828
fbddc3ed0d09 modulemanager: Fire item-removed events on module unload.
Waqas Hussain <waqas20@gmail.com>
parents: 2072
diff changeset
126 end
fbddc3ed0d09 modulemanager: Fire item-removed events on module unload.
Waqas Hussain <waqas20@gmail.com>
parents: 2072
diff changeset
127 end
fbddc3ed0d09 modulemanager: Fire item-removed events on module unload.
Waqas Hussain <waqas20@gmail.com>
parents: 2072
diff changeset
128 end
4665
6be91ca54613 modulemanager: Set module.loaded = false on unload
Matthew Wild <mwild1@gmail.com>
parents: 4662
diff changeset
129 mod.module.loaded = false;
1986
d4ba9d94eb74 modulemanager: Slightly rearranged code for more robust unloading of modules.
Waqas Hussain <waqas20@gmail.com>
parents: 1960
diff changeset
130 modulemap[host][name] = nil;
670
d5cf10b7fc44 Modulemanager: Basic modules can now be unloaded correctly
Waqas Hussain <waqas20@gmail.com>
parents: 637
diff changeset
131 return true;
439
6608ad3a72f3 is_loaded() and incomplete unload() for modules
Matthew Wild <mwild1@gmail.com>
parents: 438
diff changeset
132 end
6608ad3a72f3 is_loaded() and incomplete unload() for modules
Matthew Wild <mwild1@gmail.com>
parents: 438
diff changeset
133
5192
3fc3a3072cc2 modulemanager: Set module.reloading when a module is reloading, and when loading make the saved state available in module.saved_state (if any)
Matthew Wild <mwild1@gmail.com>
parents: 5123
diff changeset
134 local function do_load_module(host, module_name, state)
4532
d8dbf569766c modulemanager: Some reorganisation. Only external change is (should be) that module-unloaded and module-loaded are no longer fired when reloading a module, the new event module-reloaded is fired instead.
Matthew Wild <mwild1@gmail.com>
parents: 4531
diff changeset
135 if not (host and module_name) then
d8dbf569766c modulemanager: Some reorganisation. Only external change is (should be) that module-unloaded and module-loaded are no longer fired when reloading a module, the new event module-reloaded is fired instead.
Matthew Wild <mwild1@gmail.com>
parents: 4531
diff changeset
136 return nil, "insufficient-parameters";
4638
352cd61e2682 modulemanager: Allow loading a module onto "*" (part-fixes #228)
Matthew Wild <mwild1@gmail.com>
parents: 4606
diff changeset
137 elseif not hosts[host] and host ~= "*"then
4532
d8dbf569766c modulemanager: Some reorganisation. Only external change is (should be) that module-unloaded and module-loaded are no longer fired when reloading a module, the new event module-reloaded is fired instead.
Matthew Wild <mwild1@gmail.com>
parents: 4531
diff changeset
138 return nil, "unknown-host";
d8dbf569766c modulemanager: Some reorganisation. Only external change is (should be) that module-unloaded and module-loaded are no longer fired when reloading a module, the new event module-reloaded is fired instead.
Matthew Wild <mwild1@gmail.com>
parents: 4531
diff changeset
139 end
5776
bd0ff8ae98a8 Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 5411
diff changeset
140
4532
d8dbf569766c modulemanager: Some reorganisation. Only external change is (should be) that module-unloaded and module-loaded are no longer fired when reloading a module, the new event module-reloaded is fired instead.
Matthew Wild <mwild1@gmail.com>
parents: 4531
diff changeset
141 if not modulemap[host] then
5123
7c5c86fa552e hostmanager, modulemanager: Ensure hosts[*].modules always exists.
Waqas Hussain <waqas20@gmail.com>
parents: 5021
diff changeset
142 modulemap[host] = hosts[host].modules;
4532
d8dbf569766c modulemanager: Some reorganisation. Only external change is (should be) that module-unloaded and module-loaded are no longer fired when reloading a module, the new event module-reloaded is fired instead.
Matthew Wild <mwild1@gmail.com>
parents: 4531
diff changeset
143 end
5776
bd0ff8ae98a8 Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 5411
diff changeset
144
4532
d8dbf569766c modulemanager: Some reorganisation. Only external change is (should be) that module-unloaded and module-loaded are no longer fired when reloading a module, the new event module-reloaded is fired instead.
Matthew Wild <mwild1@gmail.com>
parents: 4531
diff changeset
145 if modulemap[host][module_name] then
7303
439d00063620 modulemanager: Silence log message about attempts to load already loaded modules for shared modules
Kim Alvefur <zash@zash.se>
parents: 7163
diff changeset
146 if not modulemap["*"][module_name] then
439d00063620 modulemanager: Silence log message about attempts to load already loaded modules for shared modules
Kim Alvefur <zash@zash.se>
parents: 7163
diff changeset
147 log("debug", "%s is already loaded for %s, so not loading again", module_name, host);
439d00063620 modulemanager: Silence log message about attempts to load already loaded modules for shared modules
Kim Alvefur <zash@zash.se>
parents: 7163
diff changeset
148 end
4532
d8dbf569766c modulemanager: Some reorganisation. Only external change is (should be) that module-unloaded and module-loaded are no longer fired when reloading a module, the new event module-reloaded is fired instead.
Matthew Wild <mwild1@gmail.com>
parents: 4531
diff changeset
149 return nil, "module-already-loaded";
d8dbf569766c modulemanager: Some reorganisation. Only external change is (should be) that module-unloaded and module-loaded are no longer fired when reloading a module, the new event module-reloaded is fired instead.
Matthew Wild <mwild1@gmail.com>
parents: 4531
diff changeset
150 elseif modulemap["*"][module_name] then
4642
c1602c07d14d modulemanager: Support for shared modules - function module.add_host(host_module) in a global module
Matthew Wild <mwild1@gmail.com>
parents: 4641
diff changeset
151 local mod = modulemap["*"][module_name];
c1602c07d14d modulemanager: Support for shared modules - function module.add_host(host_module) in a global module
Matthew Wild <mwild1@gmail.com>
parents: 4641
diff changeset
152 if module_has_method(mod, "add_host") then
c1602c07d14d modulemanager: Support for shared modules - function module.add_host(host_module) in a global module
Matthew Wild <mwild1@gmail.com>
parents: 4641
diff changeset
153 local _log = logger.init(host..":"..module_name);
c1602c07d14d modulemanager: Support for shared modules - function module.add_host(host_module) in a global module
Matthew Wild <mwild1@gmail.com>
parents: 4641
diff changeset
154 local host_module_api = setmetatable({
4896
27cda15104f2 modulemanager, moduleapi: Turn module.event_handlers into a multitable and track object->event->handler associations correctly (thanks Zash)
Matthew Wild <mwild1@gmail.com>
parents: 4893
diff changeset
155 host = host, event_handlers = new_multitable(), items = {};
6661
90e846e8a788 modulemanager: Add luacheck annotations
Matthew Wild <mwild1@gmail.com>
parents: 6660
diff changeset
156 _log = _log, log = function (self, ...) return _log(...); end; --luacheck: ignore 212/self
4642
c1602c07d14d modulemanager: Support for shared modules - function module.add_host(host_module) in a global module
Matthew Wild <mwild1@gmail.com>
parents: 4641
diff changeset
157 },{
c1602c07d14d modulemanager: Support for shared modules - function module.add_host(host_module) in a global module
Matthew Wild <mwild1@gmail.com>
parents: 4641
diff changeset
158 __index = modulemap["*"][module_name].module;
c1602c07d14d modulemanager: Support for shared modules - function module.add_host(host_module) in a global module
Matthew Wild <mwild1@gmail.com>
parents: 4641
diff changeset
159 });
4728
7c81b04a4fed modulemanager: Set module.environment before calling add_host, otherwise the module will get the parent's environment (thanks xnyhps and Maranda)
Matthew Wild <mwild1@gmail.com>
parents: 4665
diff changeset
160 local host_module = setmetatable({ module = host_module_api }, { __index = mod });
7c81b04a4fed modulemanager: Set module.environment before calling add_host, otherwise the module will get the parent's environment (thanks xnyhps and Maranda)
Matthew Wild <mwild1@gmail.com>
parents: 4665
diff changeset
161 host_module_api.environment = host_module;
4776
dbe9d75c0452 modulemanager: Fixes to handle circular dependencies in module:depends()
Matthew Wild <mwild1@gmail.com>
parents: 4746
diff changeset
162 modulemap[host][module_name] = host_module;
4642
c1602c07d14d modulemanager: Support for shared modules - function module.add_host(host_module) in a global module
Matthew Wild <mwild1@gmail.com>
parents: 4641
diff changeset
163 local ok, result, module_err = call_module_method(mod, "add_host", host_module_api);
4776
dbe9d75c0452 modulemanager: Fixes to handle circular dependencies in module:depends()
Matthew Wild <mwild1@gmail.com>
parents: 4746
diff changeset
164 if not ok or result == false then
dbe9d75c0452 modulemanager: Fixes to handle circular dependencies in module:depends()
Matthew Wild <mwild1@gmail.com>
parents: 4746
diff changeset
165 modulemap[host][module_name] = nil;
dbe9d75c0452 modulemanager: Fixes to handle circular dependencies in module:depends()
Matthew Wild <mwild1@gmail.com>
parents: 4746
diff changeset
166 return nil, ok and module_err or result;
dbe9d75c0452 modulemanager: Fixes to handle circular dependencies in module:depends()
Matthew Wild <mwild1@gmail.com>
parents: 4746
diff changeset
167 end
4642
c1602c07d14d modulemanager: Support for shared modules - function module.add_host(host_module) in a global module
Matthew Wild <mwild1@gmail.com>
parents: 4641
diff changeset
168 return host_module;
c1602c07d14d modulemanager: Support for shared modules - function module.add_host(host_module) in a global module
Matthew Wild <mwild1@gmail.com>
parents: 4641
diff changeset
169 end
4532
d8dbf569766c modulemanager: Some reorganisation. Only external change is (should be) that module-unloaded and module-loaded are no longer fired when reloading a module, the new event module-reloaded is fired instead.
Matthew Wild <mwild1@gmail.com>
parents: 4531
diff changeset
170 return nil, "global-module-already-loaded";
d8dbf569766c modulemanager: Some reorganisation. Only external change is (should be) that module-unloaded and module-loaded are no longer fired when reloading a module, the new event module-reloaded is fired instead.
Matthew Wild <mwild1@gmail.com>
parents: 4531
diff changeset
171 end
5776
bd0ff8ae98a8 Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 5411
diff changeset
172
4532
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Matthew Wild <mwild1@gmail.com>
parents: 4531
diff changeset
173
d8dbf569766c modulemanager: Some reorganisation. Only external change is (should be) that module-unloaded and module-loaded are no longer fired when reloading a module, the new event module-reloaded is fired instead.
Matthew Wild <mwild1@gmail.com>
parents: 4531
diff changeset
174
d8dbf569766c modulemanager: Some reorganisation. Only external change is (should be) that module-unloaded and module-loaded are no longer fired when reloading a module, the new event module-reloaded is fired instead.
Matthew Wild <mwild1@gmail.com>
parents: 4531
diff changeset
175 local _log = logger.init(host..":"..module_name);
5021
85b2689dbcfe Eliminate direct setfenv usage
Florian Zeitz <florob@babelmonkeys.de>
parents: 4896
diff changeset
176 local api_instance = setmetatable({ name = module_name, host = host,
6661
90e846e8a788 modulemanager: Add luacheck annotations
Matthew Wild <mwild1@gmail.com>
parents: 6660
diff changeset
177 _log = _log, log = function (self, ...) return _log(...); end, --luacheck: ignore 212/self
90e846e8a788 modulemanager: Add luacheck annotations
Matthew Wild <mwild1@gmail.com>
parents: 6660
diff changeset
178 event_handlers = new_multitable(), reloading = not not state,
90e846e8a788 modulemanager: Add luacheck annotations
Matthew Wild <mwild1@gmail.com>
parents: 6660
diff changeset
179 saved_state = state~=true and state or nil }
4532
d8dbf569766c modulemanager: Some reorganisation. Only external change is (should be) that module-unloaded and module-loaded are no longer fired when reloading a module, the new event module-reloaded is fired instead.
Matthew Wild <mwild1@gmail.com>
parents: 4531
diff changeset
180 , { __index = api });
d8dbf569766c modulemanager: Some reorganisation. Only external change is (should be) that module-unloaded and module-loaded are no longer fired when reloading a module, the new event module-reloaded is fired instead.
Matthew Wild <mwild1@gmail.com>
parents: 4531
diff changeset
181
d8dbf569766c modulemanager: Some reorganisation. Only external change is (should be) that module-unloaded and module-loaded are no longer fired when reloading a module, the new event module-reloaded is fired instead.
Matthew Wild <mwild1@gmail.com>
parents: 4531
diff changeset
182 local pluginenv = setmetatable({ module = api_instance }, { __index = _G });
d8dbf569766c modulemanager: Some reorganisation. Only external change is (should be) that module-unloaded and module-loaded are no longer fired when reloading a module, the new event module-reloaded is fired instead.
Matthew Wild <mwild1@gmail.com>
parents: 4531
diff changeset
183 api_instance.environment = pluginenv;
5776
bd0ff8ae98a8 Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 5411
diff changeset
184
5021
85b2689dbcfe Eliminate direct setfenv usage
Florian Zeitz <florob@babelmonkeys.de>
parents: 4896
diff changeset
185 local mod, err = pluginloader.load_code(module_name, nil, pluginenv);
85b2689dbcfe Eliminate direct setfenv usage
Florian Zeitz <florob@babelmonkeys.de>
parents: 4896
diff changeset
186 if not mod then
85b2689dbcfe Eliminate direct setfenv usage
Florian Zeitz <florob@babelmonkeys.de>
parents: 4896
diff changeset
187 log("error", "Unable to load module '%s': %s", module_name or "nil", err or "nil");
9867
984f27e4b8a3 modulemanager: Set module status on successful or failed module load
Matthew Wild <mwild1@gmail.com>
parents: 9563
diff changeset
188 api_instance:set_status("error", "Failed to load (see log)");
5021
85b2689dbcfe Eliminate direct setfenv usage
Florian Zeitz <florob@babelmonkeys.de>
parents: 4896
diff changeset
189 return nil, err;
85b2689dbcfe Eliminate direct setfenv usage
Florian Zeitz <florob@babelmonkeys.de>
parents: 4896
diff changeset
190 end
85b2689dbcfe Eliminate direct setfenv usage
Florian Zeitz <florob@babelmonkeys.de>
parents: 4896
diff changeset
191
85b2689dbcfe Eliminate direct setfenv usage
Florian Zeitz <florob@babelmonkeys.de>
parents: 4896
diff changeset
192 api_instance.path = err;
85b2689dbcfe Eliminate direct setfenv usage
Florian Zeitz <florob@babelmonkeys.de>
parents: 4896
diff changeset
193
4776
dbe9d75c0452 modulemanager: Fixes to handle circular dependencies in module:depends()
Matthew Wild <mwild1@gmail.com>
parents: 4746
diff changeset
194 modulemap[host][module_name] = pluginenv;
9563
732314eb3258 modulemanager: Fix issues introduced in previous commit acf74ad0b795 [thanks luacheck, scansion]
Matthew Wild <mwild1@gmail.com>
parents: 9562
diff changeset
195 local ok, err = xpcall(mod, debug_traceback);
4532
d8dbf569766c modulemanager: Some reorganisation. Only external change is (should be) that module-unloaded and module-loaded are no longer fired when reloading a module, the new event module-reloaded is fired instead.
Matthew Wild <mwild1@gmail.com>
parents: 4531
diff changeset
196 if ok then
d8dbf569766c modulemanager: Some reorganisation. Only external change is (should be) that module-unloaded and module-loaded are no longer fired when reloading a module, the new event module-reloaded is fired instead.
Matthew Wild <mwild1@gmail.com>
parents: 4531
diff changeset
197 -- Call module's "load"
d8dbf569766c modulemanager: Some reorganisation. Only external change is (should be) that module-unloaded and module-loaded are no longer fired when reloading a module, the new event module-reloaded is fired instead.
Matthew Wild <mwild1@gmail.com>
parents: 4531
diff changeset
198 if module_has_method(pluginenv, "load") then
d8dbf569766c modulemanager: Some reorganisation. Only external change is (should be) that module-unloaded and module-loaded are no longer fired when reloading a module, the new event module-reloaded is fired instead.
Matthew Wild <mwild1@gmail.com>
parents: 4531
diff changeset
199 ok, err = call_module_method(pluginenv, "load");
d8dbf569766c modulemanager: Some reorganisation. Only external change is (should be) that module-unloaded and module-loaded are no longer fired when reloading a module, the new event module-reloaded is fired instead.
Matthew Wild <mwild1@gmail.com>
parents: 4531
diff changeset
200 if not ok then
d8dbf569766c modulemanager: Some reorganisation. Only external change is (should be) that module-unloaded and module-loaded are no longer fired when reloading a module, the new event module-reloaded is fired instead.
Matthew Wild <mwild1@gmail.com>
parents: 4531
diff changeset
201 log("warn", "Error loading module '%s' on '%s': %s", module_name, host, err or "nil");
9867
984f27e4b8a3 modulemanager: Set module status on successful or failed module load
Matthew Wild <mwild1@gmail.com>
parents: 9563
diff changeset
202 api_instance:set_status("warn", "Error during load (see log)");
4532
d8dbf569766c modulemanager: Some reorganisation. Only external change is (should be) that module-unloaded and module-loaded are no longer fired when reloading a module, the new event module-reloaded is fired instead.
Matthew Wild <mwild1@gmail.com>
parents: 4531
diff changeset
203 end
d8dbf569766c modulemanager: Some reorganisation. Only external change is (should be) that module-unloaded and module-loaded are no longer fired when reloading a module, the new event module-reloaded is fired instead.
Matthew Wild <mwild1@gmail.com>
parents: 4531
diff changeset
204 end
5192
3fc3a3072cc2 modulemanager: Set module.reloading when a module is reloading, and when loading make the saved state available in module.saved_state (if any)
Matthew Wild <mwild1@gmail.com>
parents: 5123
diff changeset
205 api_instance.reloading, api_instance.saved_state = nil, nil;
4532
d8dbf569766c modulemanager: Some reorganisation. Only external change is (should be) that module-unloaded and module-loaded are no longer fired when reloading a module, the new event module-reloaded is fired instead.
Matthew Wild <mwild1@gmail.com>
parents: 4531
diff changeset
206
4639
98a29138dec8 modulemanager: Use api_instance rather than pluginenv.module (same thing)
Matthew Wild <mwild1@gmail.com>
parents: 4638
diff changeset
207 if api_instance.host == "*" then
98a29138dec8 modulemanager: Use api_instance rather than pluginenv.module (same thing)
Matthew Wild <mwild1@gmail.com>
parents: 4638
diff changeset
208 if not api_instance.global then -- COMPAT w/pre-0.9
4801
83cedf648b46 modulemanager: Hide deprecation warning for modules loaded on '*' directly (e.g. prosodyctl mod_<command>) (thanks Zash)
Matthew Wild <mwild1@gmail.com>
parents: 4776
diff changeset
209 if host ~= "*" then
83cedf648b46 modulemanager: Hide deprecation warning for modules loaded on '*' directly (e.g. prosodyctl mod_<command>) (thanks Zash)
Matthew Wild <mwild1@gmail.com>
parents: 4776
diff changeset
210 log("warn", "mod_%s: Setting module.host = '*' deprecated, call module:set_global() instead", module_name);
83cedf648b46 modulemanager: Hide deprecation warning for modules loaded on '*' directly (e.g. prosodyctl mod_<command>) (thanks Zash)
Matthew Wild <mwild1@gmail.com>
parents: 4776
diff changeset
211 end
4606
17785dbd9d58 modulemanager: Some refactoring. Deprecate module.host = "*", modules should call module:set_global() (which has been around since forever)
Matthew Wild <mwild1@gmail.com>
parents: 4604
diff changeset
212 api_instance:set_global();
17785dbd9d58 modulemanager: Some refactoring. Deprecate module.host = "*", modules should call module:set_global() (which has been around since forever)
Matthew Wild <mwild1@gmail.com>
parents: 4604
diff changeset
213 end
4776
dbe9d75c0452 modulemanager: Fixes to handle circular dependencies in module:depends()
Matthew Wild <mwild1@gmail.com>
parents: 4746
diff changeset
214 modulemap[host][module_name] = nil;
dbe9d75c0452 modulemanager: Fixes to handle circular dependencies in module:depends()
Matthew Wild <mwild1@gmail.com>
parents: 4746
diff changeset
215 modulemap[api_instance.host][module_name] = pluginenv;
4643
9008fc396fb1 modulemanager: When a shared module becomes global, ensure it still gets loaded onto the original target host
Matthew Wild <mwild1@gmail.com>
parents: 4642
diff changeset
216 if host ~= api_instance.host and module_has_method(pluginenv, "add_host") then
9008fc396fb1 modulemanager: When a shared module becomes global, ensure it still gets loaded onto the original target host
Matthew Wild <mwild1@gmail.com>
parents: 4642
diff changeset
217 -- Now load the module again onto the host it was originally being loaded on
4662
105423f77d46 modulemanager: Report errors that happen when loading a shared module onto its original host
Matthew Wild <mwild1@gmail.com>
parents: 4652
diff changeset
218 ok, err = do_load_module(host, module_name);
4643
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Matthew Wild <mwild1@gmail.com>
parents: 4642
diff changeset
219 end
4532
d8dbf569766c modulemanager: Some reorganisation. Only external change is (should be) that module-unloaded and module-loaded are no longer fired when reloading a module, the new event module-reloaded is fired instead.
Matthew Wild <mwild1@gmail.com>
parents: 4531
diff changeset
220 end
4606
17785dbd9d58 modulemanager: Some refactoring. Deprecate module.host = "*", modules should call module:set_global() (which has been around since forever)
Matthew Wild <mwild1@gmail.com>
parents: 4604
diff changeset
221 end
17785dbd9d58 modulemanager: Some refactoring. Deprecate module.host = "*", modules should call module:set_global() (which has been around since forever)
Matthew Wild <mwild1@gmail.com>
parents: 4604
diff changeset
222 if not ok then
4776
dbe9d75c0452 modulemanager: Fixes to handle circular dependencies in module:depends()
Matthew Wild <mwild1@gmail.com>
parents: 4746
diff changeset
223 modulemap[api_instance.host][module_name] = nil;
4532
d8dbf569766c modulemanager: Some reorganisation. Only external change is (should be) that module-unloaded and module-loaded are no longer fired when reloading a module, the new event module-reloaded is fired instead.
Matthew Wild <mwild1@gmail.com>
parents: 4531
diff changeset
224 log("error", "Error initializing module '%s' on '%s': %s", module_name, host, err or "nil");
9867
984f27e4b8a3 modulemanager: Set module status on successful or failed module load
Matthew Wild <mwild1@gmail.com>
parents: 9563
diff changeset
225 api_instance:set_status("warn", "Error during load (see log)");
984f27e4b8a3 modulemanager: Set module status on successful or failed module load
Matthew Wild <mwild1@gmail.com>
parents: 9563
diff changeset
226 else
984f27e4b8a3 modulemanager: Set module status on successful or failed module load
Matthew Wild <mwild1@gmail.com>
parents: 9563
diff changeset
227 api_instance:set_status("core", "Loaded", false);
4532
d8dbf569766c modulemanager: Some reorganisation. Only external change is (should be) that module-unloaded and module-loaded are no longer fired when reloading a module, the new event module-reloaded is fired instead.
Matthew Wild <mwild1@gmail.com>
parents: 4531
diff changeset
228 end
4537
d8d257c13562 modulemanager: load(): Return and use the correct module object
Matthew Wild <mwild1@gmail.com>
parents: 4535
diff changeset
229 return ok and pluginenv, err;
4532
d8dbf569766c modulemanager: Some reorganisation. Only external change is (should be) that module-unloaded and module-loaded are no longer fired when reloading a module, the new event module-reloaded is fired instead.
Matthew Wild <mwild1@gmail.com>
parents: 4531
diff changeset
230 end
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parents: 4531
diff changeset
231
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parents: 4531
diff changeset
232 local function do_reload_module(host, name)
745
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diff changeset
233 local mod = get_module(host, name);
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diff changeset
234 if not mod then return nil, "module-not-loaded"; end
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parents: 709
diff changeset
235
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857034905016 modulemanager: Changed to use util.pluginloader
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parents: 1346
diff changeset
236 local _mod, err = pluginloader.load_code(name); -- checking for syntax errors
713
2afd6d9e21cd modulemanager: Check for syntax errors before reloading a module
Waqas Hussain <waqas20@gmail.com>
parents: 710
diff changeset
237 if not _mod then
1386
9132f16666e4 modulemanager: Fix copy/paste error, should be name instead of module_name
Matthew Wild <mwild1@gmail.com>
parents: 1378
diff changeset
238 log("error", "Unable to load module '%s': %s", name or "nil", err or "nil");
713
2afd6d9e21cd modulemanager: Check for syntax errors before reloading a module
Waqas Hussain <waqas20@gmail.com>
parents: 710
diff changeset
239 return nil, err;
2afd6d9e21cd modulemanager: Check for syntax errors before reloading a module
Waqas Hussain <waqas20@gmail.com>
parents: 710
diff changeset
240 end
2afd6d9e21cd modulemanager: Check for syntax errors before reloading a module
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parents: 710
diff changeset
241
710
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diff changeset
242 local saved;
745
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parents: 733
diff changeset
243 if module_has_method(mod, "save") then
5a343599cd3e core.modulemanager: Some refactoring to make upcoming changes a little easier
Matthew Wild <mwild1@gmail.com>
parents: 733
diff changeset
244 local ok, ret, err = call_module_method(mod, "save");
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parents: 733
diff changeset
245 if ok then
5a343599cd3e core.modulemanager: Some refactoring to make upcoming changes a little easier
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parents: 733
diff changeset
246 saved = ret;
710
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parents: 709
diff changeset
247 else
4383
718445c040c4 modulemanager: Fix undefined global access in handling of module.save error handling.
Waqas Hussain <waqas20@gmail.com>
parents: 4381
diff changeset
248 log("warn", "Error saving module '%s:%s' state: %s", host, name, ret);
5377
898454038524 core.*: Complete removal of all traces of the "core" section and section-related code.
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
249 if not config.get(host, "force_module_reload") then
745
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parents: 733
diff changeset
250 log("warn", "Aborting reload due to error, set force_module_reload to ignore this");
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parents: 733
diff changeset
251 return nil, "save-state-failed";
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parents: 733
diff changeset
252 else
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parents: 733
diff changeset
253 log("warn", "Continuing with reload (using the force)");
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diff changeset
254 end
710
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diff changeset
255 end
56f6c115bc69 modulemanager: Added reload support, with callbacks for saving and restoring state
Waqas Hussain <waqas20@gmail.com>
parents: 709
diff changeset
256 end
56f6c115bc69 modulemanager: Added reload support, with callbacks for saving and restoring state
Waqas Hussain <waqas20@gmail.com>
parents: 709
diff changeset
257
5192
3fc3a3072cc2 modulemanager: Set module.reloading when a module is reloading, and when loading make the saved state available in module.saved_state (if any)
Matthew Wild <mwild1@gmail.com>
parents: 5123
diff changeset
258 mod.module.reloading = true;
4532
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Matthew Wild <mwild1@gmail.com>
parents: 4531
diff changeset
259 do_unload_module(host, name);
5192
3fc3a3072cc2 modulemanager: Set module.reloading when a module is reloading, and when loading make the saved state available in module.saved_state (if any)
Matthew Wild <mwild1@gmail.com>
parents: 5123
diff changeset
260 local ok, err = do_load_module(host, name, saved or true);
745
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diff changeset
261 if ok then
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parents: 733
diff changeset
262 mod = get_module(host, name);
5a343599cd3e core.modulemanager: Some refactoring to make upcoming changes a little easier
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parents: 733
diff changeset
263 if module_has_method(mod, "restore") then
5a343599cd3e core.modulemanager: Some refactoring to make upcoming changes a little easier
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parents: 733
diff changeset
264 local ok, err = call_module_method(mod, "restore", saved or {})
710
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Waqas Hussain <waqas20@gmail.com>
parents: 709
diff changeset
265 if (not ok) and err then
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parents: 733
diff changeset
266 log("warn", "Error restoring module '%s' from '%s': %s", name, host, err);
710
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Waqas Hussain <waqas20@gmail.com>
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diff changeset
267 end
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Waqas Hussain <waqas20@gmail.com>
parents: 709
diff changeset
268 end
4532
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parents: 4531
diff changeset
269 end
d8dbf569766c modulemanager: Some reorganisation. Only external change is (should be) that module-unloaded and module-loaded are no longer fired when reloading a module, the new event module-reloaded is fired instead.
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parents: 4531
diff changeset
270 return ok and mod, err;
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parents: 4531
diff changeset
271 end
d8dbf569766c modulemanager: Some reorganisation. Only external change is (should be) that module-unloaded and module-loaded are no longer fired when reloading a module, the new event module-reloaded is fired instead.
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parents: 4531
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272
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parents: 4531
diff changeset
273 --- Public API ---
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parents: 4531
diff changeset
274
d8dbf569766c modulemanager: Some reorganisation. Only external change is (should be) that module-unloaded and module-loaded are no longer fired when reloading a module, the new event module-reloaded is fired instead.
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parents: 4531
diff changeset
275 -- Load a module and fire module-loaded event
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parents: 4531
diff changeset
276 function load(host, name)
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parents: 4531
diff changeset
277 local mod, err = do_load_module(host, name);
d8dbf569766c modulemanager: Some reorganisation. Only external change is (should be) that module-unloaded and module-loaded are no longer fired when reloading a module, the new event module-reloaded is fired instead.
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parents: 4531
diff changeset
278 if mod then
4804
607414b26c8c modulemanager: Pass the module's final host (e.g. '*') to the module-loaded event
Matthew Wild <mwild1@gmail.com>
parents: 4801
diff changeset
279 (hosts[mod.module.host] or prosody).events.fire_event("module-loaded", { module = name, host = mod.module.host });
4532
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parents: 4531
diff changeset
280 end
d8dbf569766c modulemanager: Some reorganisation. Only external change is (should be) that module-unloaded and module-loaded are no longer fired when reloading a module, the new event module-reloaded is fired instead.
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parents: 4531
diff changeset
281 return mod, err;
d8dbf569766c modulemanager: Some reorganisation. Only external change is (should be) that module-unloaded and module-loaded are no longer fired when reloading a module, the new event module-reloaded is fired instead.
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parents: 4531
diff changeset
282 end
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parents: 4531
diff changeset
283
d8dbf569766c modulemanager: Some reorganisation. Only external change is (should be) that module-unloaded and module-loaded are no longer fired when reloading a module, the new event module-reloaded is fired instead.
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parents: 4531
diff changeset
284 -- Unload a module and fire module-unloaded
d8dbf569766c modulemanager: Some reorganisation. Only external change is (should be) that module-unloaded and module-loaded are no longer fired when reloading a module, the new event module-reloaded is fired instead.
Matthew Wild <mwild1@gmail.com>
parents: 4531
diff changeset
285 function unload(host, name)
d8dbf569766c modulemanager: Some reorganisation. Only external change is (should be) that module-unloaded and module-loaded are no longer fired when reloading a module, the new event module-reloaded is fired instead.
Matthew Wild <mwild1@gmail.com>
parents: 4531
diff changeset
286 local ok, err = do_unload_module(host, name);
d8dbf569766c modulemanager: Some reorganisation. Only external change is (should be) that module-unloaded and module-loaded are no longer fired when reloading a module, the new event module-reloaded is fired instead.
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parents: 4531
diff changeset
287 if ok then
d8dbf569766c modulemanager: Some reorganisation. Only external change is (should be) that module-unloaded and module-loaded are no longer fired when reloading a module, the new event module-reloaded is fired instead.
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parents: 4531
diff changeset
288 (hosts[host] or prosody).events.fire_event("module-unloaded", { module = name, host = host });
710
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parents: 709
diff changeset
289 end
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diff changeset
290 return ok, err;
710
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diff changeset
291 end
56f6c115bc69 modulemanager: Added reload support, with callbacks for saving and restoring state
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parents: 709
diff changeset
292
4532
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parents: 4531
diff changeset
293 function reload(host, name)
4853
4ca9328e37d5 modulemanager: Set module.reloading = true when firing module-reloaded event
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parents: 4804
diff changeset
294 local mod, err = do_reload_module(host, name);
4ca9328e37d5 modulemanager: Set module.reloading = true when firing module-reloaded event
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parents: 4804
diff changeset
295 if mod then
4ca9328e37d5 modulemanager: Set module.reloading = true when firing module-reloaded event
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parents: 4804
diff changeset
296 modulemap[host][name].module.reloading = true;
4532
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parents: 4531
diff changeset
297 (hosts[host] or prosody).events.fire_event("module-reloaded", { module = name, host = host });
4853
4ca9328e37d5 modulemanager: Set module.reloading = true when firing module-reloaded event
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parents: 4804
diff changeset
298 mod.module.reloading = nil;
4532
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parents: 4531
diff changeset
299 elseif not is_loaded(host, name) then
d8dbf569766c modulemanager: Some reorganisation. Only external change is (should be) that module-unloaded and module-loaded are no longer fired when reloading a module, the new event module-reloaded is fired instead.
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parents: 4531
diff changeset
300 (hosts[host] or prosody).events.fire_event("module-unloaded", { module = name, host = host });
d8dbf569766c modulemanager: Some reorganisation. Only external change is (should be) that module-unloaded and module-loaded are no longer fired when reloading a module, the new event module-reloaded is fired instead.
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parents: 4531
diff changeset
301 end
4853
4ca9328e37d5 modulemanager: Set module.reloading = true when firing module-reloaded event
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parents: 4804
diff changeset
302 return mod, err;
4532
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parents: 4531
diff changeset
303 end
d8dbf569766c modulemanager: Some reorganisation. Only external change is (should be) that module-unloaded and module-loaded are no longer fired when reloading a module, the new event module-reloaded is fired instead.
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parents: 4531
diff changeset
304
d8dbf569766c modulemanager: Some reorganisation. Only external change is (should be) that module-unloaded and module-loaded are no longer fired when reloading a module, the new event module-reloaded is fired instead.
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parents: 4531
diff changeset
305 function get_module(host, name)
d8dbf569766c modulemanager: Some reorganisation. Only external change is (should be) that module-unloaded and module-loaded are no longer fired when reloading a module, the new event module-reloaded is fired instead.
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parents: 4531
diff changeset
306 return modulemap[host] and modulemap[host][name];
d8dbf569766c modulemanager: Some reorganisation. Only external change is (should be) that module-unloaded and module-loaded are no longer fired when reloading a module, the new event module-reloaded is fired instead.
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parents: 4531
diff changeset
307 end
d8dbf569766c modulemanager: Some reorganisation. Only external change is (should be) that module-unloaded and module-loaded are no longer fired when reloading a module, the new event module-reloaded is fired instead.
Matthew Wild <mwild1@gmail.com>
parents: 4531
diff changeset
308
5410
bea93cfd6c54 modulemanager: add function to retrieve module items from a specific host entity.
Marco Cirillo <maranda@lightwitch.org>
parents: 5377
diff changeset
309 function get_items(key, host)
bea93cfd6c54 modulemanager: add function to retrieve module items from a specific host entity.
Marco Cirillo <maranda@lightwitch.org>
parents: 5377
diff changeset
310 local result = {};
bea93cfd6c54 modulemanager: add function to retrieve module items from a specific host entity.
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parents: 5377
diff changeset
311 local modules = modulemap[host];
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parents: 5377
diff changeset
312 if not key or not host or not modules then return nil; end
bea93cfd6c54 modulemanager: add function to retrieve module items from a specific host entity.
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parents: 5377
diff changeset
313
bea93cfd6c54 modulemanager: add function to retrieve module items from a specific host entity.
Marco Cirillo <maranda@lightwitch.org>
parents: 5377
diff changeset
314 for _, module in pairs(modules) do
bea93cfd6c54 modulemanager: add function to retrieve module items from a specific host entity.
Marco Cirillo <maranda@lightwitch.org>
parents: 5377
diff changeset
315 local mod = module.module;
bea93cfd6c54 modulemanager: add function to retrieve module items from a specific host entity.
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parents: 5377
diff changeset
316 if mod.items and mod.items[key] then
bea93cfd6c54 modulemanager: add function to retrieve module items from a specific host entity.
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parents: 5377
diff changeset
317 for _, value in ipairs(mod.items[key]) do
bea93cfd6c54 modulemanager: add function to retrieve module items from a specific host entity.
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parents: 5377
diff changeset
318 t_insert(result, value);
bea93cfd6c54 modulemanager: add function to retrieve module items from a specific host entity.
Marco Cirillo <maranda@lightwitch.org>
parents: 5377
diff changeset
319 end
bea93cfd6c54 modulemanager: add function to retrieve module items from a specific host entity.
Marco Cirillo <maranda@lightwitch.org>
parents: 5377
diff changeset
320 end
bea93cfd6c54 modulemanager: add function to retrieve module items from a specific host entity.
Marco Cirillo <maranda@lightwitch.org>
parents: 5377
diff changeset
321 end
bea93cfd6c54 modulemanager: add function to retrieve module items from a specific host entity.
Marco Cirillo <maranda@lightwitch.org>
parents: 5377
diff changeset
322
bea93cfd6c54 modulemanager: add function to retrieve module items from a specific host entity.
Marco Cirillo <maranda@lightwitch.org>
parents: 5377
diff changeset
323 return result;
bea93cfd6c54 modulemanager: add function to retrieve module items from a specific host entity.
Marco Cirillo <maranda@lightwitch.org>
parents: 5377
diff changeset
324 end
bea93cfd6c54 modulemanager: add function to retrieve module items from a specific host entity.
Marco Cirillo <maranda@lightwitch.org>
parents: 5377
diff changeset
325
4532
d8dbf569766c modulemanager: Some reorganisation. Only external change is (should be) that module-unloaded and module-loaded are no longer fired when reloading a module, the new event module-reloaded is fired instead.
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parents: 4531
diff changeset
326 function get_modules(host)
d8dbf569766c modulemanager: Some reorganisation. Only external change is (should be) that module-unloaded and module-loaded are no longer fired when reloading a module, the new event module-reloaded is fired instead.
Matthew Wild <mwild1@gmail.com>
parents: 4531
diff changeset
327 return modulemap[host];
d8dbf569766c modulemanager: Some reorganisation. Only external change is (should be) that module-unloaded and module-loaded are no longer fired when reloading a module, the new event module-reloaded is fired instead.
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parents: 4531
diff changeset
328 end
d8dbf569766c modulemanager: Some reorganisation. Only external change is (should be) that module-unloaded and module-loaded are no longer fired when reloading a module, the new event module-reloaded is fired instead.
Matthew Wild <mwild1@gmail.com>
parents: 4531
diff changeset
329
d8dbf569766c modulemanager: Some reorganisation. Only external change is (should be) that module-unloaded and module-loaded are no longer fired when reloading a module, the new event module-reloaded is fired instead.
Matthew Wild <mwild1@gmail.com>
parents: 4531
diff changeset
330 function is_loaded(host, name)
d8dbf569766c modulemanager: Some reorganisation. Only external change is (should be) that module-unloaded and module-loaded are no longer fired when reloading a module, the new event module-reloaded is fired instead.
Matthew Wild <mwild1@gmail.com>
parents: 4531
diff changeset
331 return modulemap[host] and modulemap[host][name] and true;
d8dbf569766c modulemanager: Some reorganisation. Only external change is (should be) that module-unloaded and module-loaded are no longer fired when reloading a module, the new event module-reloaded is fired instead.
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parents: 4531
diff changeset
332 end
d8dbf569766c modulemanager: Some reorganisation. Only external change is (should be) that module-unloaded and module-loaded are no longer fired when reloading a module, the new event module-reloaded is fired instead.
Matthew Wild <mwild1@gmail.com>
parents: 4531
diff changeset
333
745
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parents: 733
diff changeset
334 function module_has_method(module, method)
4641
2b3ee52fba32 modulemanager: Make module_has_method and module_call_method use rawget()
Matthew Wild <mwild1@gmail.com>
parents: 4640
diff changeset
335 return type(rawget(module.module, method)) == "function";
745
5a343599cd3e core.modulemanager: Some refactoring to make upcoming changes a little easier
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parents: 733
diff changeset
336 end
5a343599cd3e core.modulemanager: Some refactoring to make upcoming changes a little easier
Matthew Wild <mwild1@gmail.com>
parents: 733
diff changeset
337
747
40837f3422ab modulemanager: Add get_host_type() API method, and fix up call_module_method to work properly
Matthew Wild <mwild1@gmail.com>
parents: 746
diff changeset
338 function call_module_method(module, method, ...)
4641
2b3ee52fba32 modulemanager: Make module_has_method and module_call_method use rawget()
Matthew Wild <mwild1@gmail.com>
parents: 4640
diff changeset
339 local f = rawget(module.module, method);
2b3ee52fba32 modulemanager: Make module_has_method and module_call_method use rawget()
Matthew Wild <mwild1@gmail.com>
parents: 4640
diff changeset
340 if type(f) == "function" then
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732314eb3258 modulemanager: Fix issues introduced in previous commit acf74ad0b795 [thanks luacheck, scansion]
Matthew Wild <mwild1@gmail.com>
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341 return xpcall(f, debug_traceback, ...);
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342 else
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343 return false, "no-such-method";
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344 end
5a343599cd3e core.modulemanager: Some refactoring to make upcoming changes a little easier
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parents: 733
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345 end
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Matthew Wild <mwild1@gmail.com>
parents: 733
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346
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Kim Alvefur <zash@zash.se>
parents: 6661
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347 return {
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e727747279a0 modulemanager: Expose function to get the list of modules that should be loaded on a host
Matthew Wild <mwild1@gmail.com>
parents: 8717
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348 get_modules_for_host = get_modules_for_host;
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349 load_modules_for_host = load_modules_for_host;
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350 load = load;
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351 unload = unload;
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Kim Alvefur <zash@zash.se>
parents: 6661
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352 reload = reload;
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parents: 6661
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353 get_module = get_module;
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354 get_items = get_items;
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355 get_modules = get_modules;
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Kim Alvefur <zash@zash.se>
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356 is_loaded = is_loaded;
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Kim Alvefur <zash@zash.se>
parents: 6661
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357 module_has_method = module_has_method;
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Kim Alvefur <zash@zash.se>
parents: 6661
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358 call_module_method = call_module_method;
6236668da30a core.*: Remove use of module() function
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parents: 6661
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359 };