author | Matthew Wild <mwild1@gmail.com> |
Fri, 16 Jan 2009 05:38:03 +0000 | |
changeset 733 | b1aedec00661 |
parent 713 | 2afd6d9e21cd |
child 745 | 5a343599cd3e |
permissions | -rw-r--r-- |
615 | 1 |
-- Prosody IM v0.2 |
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-- Copyright (C) 2008 Matthew Wild |
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-- Copyright (C) 2008 Waqas Hussain |
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-- |
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-- This program is free software; you can redistribute it and/or |
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-- modify it under the terms of the GNU General Public License |
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-- as published by the Free Software Foundation; either version 2 |
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-- of the License, or (at your option) any later version. |
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-- |
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-- This program is distributed in the hope that it will be useful, |
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-- but WITHOUT ANY WARRANTY; without even the implied warranty of |
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-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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-- GNU General Public License for more details. |
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-- |
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-- You should have received a copy of the GNU General Public License |
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-- along with this program; if not, write to the Free Software |
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-- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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-- |
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30 | 21 |
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Update Makefile to now pass config paths to prosody. Update prosody, modulemanager and connectionlisteners to obey these paths.
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local plugin_dir = CFG_PLUGINDIR or "./plugins/"; |
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local logger = require "util.logger"; |
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local log = logger.init("modulemanager"); |
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local addDiscoInfoHandler = require "core.discomanager".addDiscoInfoHandler; |
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local eventmanager = require "core.eventmanager"; |
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local config = require "core.configmanager"; |
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local multitable_new = require "util.multitable".new; |
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local register_actions = require "core.actions".register; |
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32 |
local loadfile, pcall = loadfile, pcall; |
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33 |
local setmetatable, setfenv, getfenv = setmetatable, setfenv, getfenv; |
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local pairs, ipairs = pairs, ipairs; |
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local t_insert = table.insert; |
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local type = type; |
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local next = next; |
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local rawget = rawget; |
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local tostring, print = tostring, print; |
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-- We need this to let modules access the real global namespace |
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local _G = _G; |
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module "modulemanager" |
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local api = {}; -- Module API container |
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local modulemap = { ["*"] = {} }; |
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591 | 51 |
local stanza_handlers = multitable_new(); |
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local handler_info = {}; |
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local modulehelpers = setmetatable({}, { __index = _G }); |
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local features_table = multitable_new(); |
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local handler_table = multitable_new(); |
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local hooked = multitable_new(); |
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local event_hooks = multitable_new(); |
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local NULL = {}; |
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-- Load modules when a host is activated |
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function load_modules_for_host(host) |
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-- Load modules from global section |
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local modules_enabled = config.get("*", "core", "modules_enabled"); |
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local modules_disabled = config.get(host, "core", "modules_disabled"); |
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local disabled_set = {}; |
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if modules_enabled then |
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if modules_disabled then |
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for _, module in ipairs(modules_disabled) do |
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disabled_set[module] = true; |
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end |
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end |
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for _, module in ipairs(modules_enabled) do |
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if not disabled_set[module] then |
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load(host, module); |
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end |
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end |
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end |
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-- Load modules from just this host |
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local modules_enabled = config.get(host, "core", "modules_enabled"); |
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if modules_enabled then |
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for _, module in pairs(modules_enabled) do |
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if not is_loaded(host, module) then |
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load(host, module); |
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end |
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end |
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end |
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end |
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eventmanager.add_event_hook("host-activated", load_modules_for_host); |
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-- |
30 | 94 |
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function load(host, module_name, config) |
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if not (host and module_name) then |
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return nil, "insufficient-parameters"; |
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end |
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|
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if not modulemap[host] then |
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modulemap[host] = {}; |
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elseif modulemap[host][module_name] then |
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log("warn", "%s is already loaded for %s, so not loading again", module_name, host); |
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return nil, "module-already-loaded"; |
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elseif modulemap["*"][module_name] then |
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return nil, "global-module-already-loaded"; |
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107 |
end |
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108 |
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|
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110 |
local mod, err = loadfile(plugin_dir.."mod_"..module_name..".lua"); |
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if not mod then |
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112 |
log("error", "Unable to load module '%s': %s", module_name or "nil", err or "nil"); |
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return nil, err; |
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114 |
end |
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local _log = logger.init(host..":"..module_name); |
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117 |
local api_instance = setmetatable({ name = module_name, host = host, config = config, _log = _log, log = function (self, ...) return _log(...); end }, { __index = api }); |
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118 |
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local pluginenv = setmetatable({ module = api_instance }, { __index = _G }); |
30 | 120 |
|
121 |
setfenv(mod, pluginenv); |
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122 |
|
30 | 123 |
local success, ret = pcall(mod); |
124 |
if not success then |
|
125 |
log("error", "Error initialising module '%s': %s", name or "nil", ret or "nil"); |
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126 |
return nil, ret; |
30 | 127 |
end |
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-- Use modified host, if the module set one |
670
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modulemap[api_instance.host][module_name] = pluginenv; |
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132 |
return true; |
30 | 133 |
end |
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|
135 |
function is_loaded(host, name) |
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|
136 |
return modulemap[host] and modulemap[host][name] and true; |
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|
137 |
end |
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is_loaded() and incomplete unload() for modules
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diff
changeset
|
138 |
|
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changeset
|
139 |
function unload(host, name, ...) |
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diff
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|
140 |
local mod = modulemap[host] and modulemap[host][name]; |
6608ad3a72f3
is_loaded() and incomplete unload() for modules
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parents:
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diff
changeset
|
141 |
if not mod then return nil, "module-not-loaded"; end |
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diff
changeset
|
142 |
|
710
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modulemanager: Added reload support, with callbacks for saving and restoring state
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diff
changeset
|
143 |
if type(mod.module.unload) == "function" then |
56f6c115bc69
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changeset
|
144 |
local ok, err = pcall(mod.module.unload, ...) |
439
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diff
changeset
|
145 |
if (not ok) and err then |
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is_loaded() and incomplete unload() for modules
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changeset
|
146 |
log("warn", "Non-fatal error unloading module '%s' from '%s': %s", name, host, err); |
6608ad3a72f3
is_loaded() and incomplete unload() for modules
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parents:
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diff
changeset
|
147 |
end |
674
4f506c627b49
modulemanager: module.unload now gets called when modules are being unloaded
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diff
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|
148 |
end |
670
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Modulemanager: Basic modules can now be unloaded correctly
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|
149 |
modulemap[host][name] = nil; |
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|
150 |
features_table:remove(host, name); |
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changeset
|
151 |
local params = handler_table:get(host, name); -- , {module.host, origin_type, tag, xmlns} |
708
b72d408f5f15
modulemanager: Fixed error on unloading modules with no handlers
Waqas Hussain <waqas20@gmail.com>
parents:
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diff
changeset
|
152 |
for _, param in pairs(params or NULL) do |
670
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Modulemanager: Basic modules can now be unloaded correctly
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|
153 |
local handlers = stanza_handlers:get(param[1], param[2], param[3], param[4]); |
708
b72d408f5f15
modulemanager: Fixed error on unloading modules with no handlers
Waqas Hussain <waqas20@gmail.com>
parents:
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diff
changeset
|
154 |
if handlers then |
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parents:
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changeset
|
155 |
handler_info[handlers[1]] = nil; |
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|
156 |
stanza_handlers:remove(param[1], param[2], param[3], param[4]); |
b72d408f5f15
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parents:
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diff
changeset
|
157 |
end |
439
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is_loaded() and incomplete unload() for modules
Matthew Wild <mwild1@gmail.com>
parents:
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diff
changeset
|
158 |
end |
686
13ed38531f69
modulemanager: Per-host event hooks for plugins - solves issue 41
Waqas Hussain <waqas20@gmail.com>
parents:
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diff
changeset
|
159 |
event_hooks:remove(host, name); |
670
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Modulemanager: Basic modules can now be unloaded correctly
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|
160 |
return true; |
439
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|
161 |
end |
6608ad3a72f3
is_loaded() and incomplete unload() for modules
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changeset
|
162 |
|
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changeset
|
163 |
function reload(host, name, ...) |
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changeset
|
164 |
local mod = modulemap[host] and modulemap[host][name]; |
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changeset
|
165 |
if not mod then return nil, "module-not-loaded"; end |
56f6c115bc69
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parents:
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diff
changeset
|
166 |
|
713
2afd6d9e21cd
modulemanager: Check for syntax errors before reloading a module
Waqas Hussain <waqas20@gmail.com>
parents:
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diff
changeset
|
167 |
local _mod, err = loadfile(plugin_dir.."mod_"..name..".lua"); -- checking for syntax errors |
2afd6d9e21cd
modulemanager: Check for syntax errors before reloading a module
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parents:
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diff
changeset
|
168 |
if not _mod then |
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modulemanager: Check for syntax errors before reloading a module
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parents:
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diff
changeset
|
169 |
log("error", "Unable to load module '%s': %s", module_name or "nil", err or "nil"); |
2afd6d9e21cd
modulemanager: Check for syntax errors before reloading a module
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parents:
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diff
changeset
|
170 |
return nil, err; |
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modulemanager: Check for syntax errors before reloading a module
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parents:
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diff
changeset
|
171 |
end |
2afd6d9e21cd
modulemanager: Check for syntax errors before reloading a module
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parents:
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changeset
|
172 |
|
710
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changeset
|
173 |
local saved; |
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parents:
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diff
changeset
|
174 |
if type(mod.module.save) == "function" then |
56f6c115bc69
modulemanager: Added reload support, with callbacks for saving and restoring state
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parents:
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diff
changeset
|
175 |
local ok, err = pcall(mod.module.save) |
56f6c115bc69
modulemanager: Added reload support, with callbacks for saving and restoring state
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parents:
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diff
changeset
|
176 |
if (not ok) and err then |
56f6c115bc69
modulemanager: Added reload support, with callbacks for saving and restoring state
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parents:
709
diff
changeset
|
177 |
log("warn", "Non-fatal error unloading module '%s' from '%s': %s", name, host, err); |
56f6c115bc69
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changeset
|
178 |
else |
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changeset
|
179 |
saved = err; |
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|
180 |
end |
56f6c115bc69
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parents:
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changeset
|
181 |
end |
56f6c115bc69
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parents:
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changeset
|
182 |
|
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changeset
|
183 |
unload(host, name, ...); |
56f6c115bc69
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parents:
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diff
changeset
|
184 |
if load(host, name, ...) then |
56f6c115bc69
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parents:
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diff
changeset
|
185 |
mod = modulemap[host] and modulemap[host][name]; |
56f6c115bc69
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parents:
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diff
changeset
|
186 |
if type(mod.module.restore) == "function" then |
56f6c115bc69
modulemanager: Added reload support, with callbacks for saving and restoring state
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parents:
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diff
changeset
|
187 |
local ok, err = pcall(mod.module.restore, saved or {}) |
56f6c115bc69
modulemanager: Added reload support, with callbacks for saving and restoring state
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parents:
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diff
changeset
|
188 |
if (not ok) and err then |
56f6c115bc69
modulemanager: Added reload support, with callbacks for saving and restoring state
Waqas Hussain <waqas20@gmail.com>
parents:
709
diff
changeset
|
189 |
log("warn", "Non-fatal error unloading module '%s' from '%s': %s", name, host, err); |
56f6c115bc69
modulemanager: Added reload support, with callbacks for saving and restoring state
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parents:
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diff
changeset
|
190 |
end |
56f6c115bc69
modulemanager: Added reload support, with callbacks for saving and restoring state
Waqas Hussain <waqas20@gmail.com>
parents:
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diff
changeset
|
191 |
end |
56f6c115bc69
modulemanager: Added reload support, with callbacks for saving and restoring state
Waqas Hussain <waqas20@gmail.com>
parents:
709
diff
changeset
|
192 |
return true; |
56f6c115bc69
modulemanager: Added reload support, with callbacks for saving and restoring state
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parents:
709
diff
changeset
|
193 |
end |
56f6c115bc69
modulemanager: Added reload support, with callbacks for saving and restoring state
Waqas Hussain <waqas20@gmail.com>
parents:
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diff
changeset
|
194 |
end |
56f6c115bc69
modulemanager: Added reload support, with callbacks for saving and restoring state
Waqas Hussain <waqas20@gmail.com>
parents:
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diff
changeset
|
195 |
|
578
5879264e28e2
Changed module manager to use multitable (initial commit)
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diff
changeset
|
196 |
function handle_stanza(host, origin, stanza) |
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|
197 |
local name, xmlns, origin_type = stanza.name, stanza.attr.xmlns, origin.type; |
5879264e28e2
Changed module manager to use multitable (initial commit)
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diff
changeset
|
198 |
if name == "iq" and xmlns == "jabber:client" then |
608
3758af511ce8
Don't try processing stanzas not of type get or set in module manager
Waqas Hussain <waqas20@gmail.com>
parents:
592
diff
changeset
|
199 |
if stanza.attr.type == "get" or stanza.attr.type == "set" then |
3758af511ce8
Don't try processing stanzas not of type get or set in module manager
Waqas Hussain <waqas20@gmail.com>
parents:
592
diff
changeset
|
200 |
xmlns = stanza.tags[1].attr.xmlns; |
3758af511ce8
Don't try processing stanzas not of type get or set in module manager
Waqas Hussain <waqas20@gmail.com>
parents:
592
diff
changeset
|
201 |
log("debug", "Stanza of type %s from %s has xmlns: %s", name, origin_type, xmlns); |
3758af511ce8
Don't try processing stanzas not of type get or set in module manager
Waqas Hussain <waqas20@gmail.com>
parents:
592
diff
changeset
|
202 |
else |
3758af511ce8
Don't try processing stanzas not of type get or set in module manager
Waqas Hussain <waqas20@gmail.com>
parents:
592
diff
changeset
|
203 |
log("debug", "Discarding %s from %s of type: %s", name, origin_type, stanza.attr.type); |
3758af511ce8
Don't try processing stanzas not of type get or set in module manager
Waqas Hussain <waqas20@gmail.com>
parents:
592
diff
changeset
|
204 |
return true; |
3758af511ce8
Don't try processing stanzas not of type get or set in module manager
Waqas Hussain <waqas20@gmail.com>
parents:
592
diff
changeset
|
205 |
end |
578
5879264e28e2
Changed module manager to use multitable (initial commit)
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diff
changeset
|
206 |
end |
591 | 207 |
local handlers = stanza_handlers:get(host, origin_type, name, xmlns); |
578
5879264e28e2
Changed module manager to use multitable (initial commit)
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parents:
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diff
changeset
|
208 |
if handlers then |
5879264e28e2
Changed module manager to use multitable (initial commit)
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parents:
573
diff
changeset
|
209 |
log("debug", "Passing stanza to mod_%s", handler_info[handlers[1]].name); |
5879264e28e2
Changed module manager to use multitable (initial commit)
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parents:
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diff
changeset
|
210 |
(handlers[1])(origin, stanza); |
5879264e28e2
Changed module manager to use multitable (initial commit)
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parents:
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diff
changeset
|
211 |
return true; |
5879264e28e2
Changed module manager to use multitable (initial commit)
Waqas Hussain <waqas20@gmail.com>
parents:
573
diff
changeset
|
212 |
else |
5879264e28e2
Changed module manager to use multitable (initial commit)
Waqas Hussain <waqas20@gmail.com>
parents:
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diff
changeset
|
213 |
log("debug", "Stanza unhandled by any modules, xmlns: %s", stanza.attr.xmlns); -- we didn't handle it |
5879264e28e2
Changed module manager to use multitable (initial commit)
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diff
changeset
|
214 |
end |
5879264e28e2
Changed module manager to use multitable (initial commit)
Waqas Hussain <waqas20@gmail.com>
parents:
573
diff
changeset
|
215 |
end |
39
89877d61ac51
Add support for arbitrary events and event hooks
Matthew Wild <mwild1@gmail.com>
parents:
38
diff
changeset
|
216 |
|
438
193f9dd64f17
Bumper commit for the new modulemanager API \o/ Updates all the modules, though some more changes may be in store.
Matthew Wild <mwild1@gmail.com>
parents:
400
diff
changeset
|
217 |
----- API functions exposed to modules ----------- |
193f9dd64f17
Bumper commit for the new modulemanager API \o/ Updates all the modules, though some more changes may be in store.
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parents:
400
diff
changeset
|
218 |
-- Must all be in api.* |
193f9dd64f17
Bumper commit for the new modulemanager API \o/ Updates all the modules, though some more changes may be in store.
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parents:
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diff
changeset
|
219 |
|
193f9dd64f17
Bumper commit for the new modulemanager API \o/ Updates all the modules, though some more changes may be in store.
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parents:
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diff
changeset
|
220 |
-- Returns the name of the current module |
193f9dd64f17
Bumper commit for the new modulemanager API \o/ Updates all the modules, though some more changes may be in store.
Matthew Wild <mwild1@gmail.com>
parents:
400
diff
changeset
|
221 |
function api:get_name() |
193f9dd64f17
Bumper commit for the new modulemanager API \o/ Updates all the modules, though some more changes may be in store.
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parents:
400
diff
changeset
|
222 |
return self.name; |
193f9dd64f17
Bumper commit for the new modulemanager API \o/ Updates all the modules, though some more changes may be in store.
Matthew Wild <mwild1@gmail.com>
parents:
400
diff
changeset
|
223 |
end |
193f9dd64f17
Bumper commit for the new modulemanager API \o/ Updates all the modules, though some more changes may be in store.
Matthew Wild <mwild1@gmail.com>
parents:
400
diff
changeset
|
224 |
|
193f9dd64f17
Bumper commit for the new modulemanager API \o/ Updates all the modules, though some more changes may be in store.
Matthew Wild <mwild1@gmail.com>
parents:
400
diff
changeset
|
225 |
-- Returns the host that the current module is serving |
193f9dd64f17
Bumper commit for the new modulemanager API \o/ Updates all the modules, though some more changes may be in store.
Matthew Wild <mwild1@gmail.com>
parents:
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diff
changeset
|
226 |
function api:get_host() |
193f9dd64f17
Bumper commit for the new modulemanager API \o/ Updates all the modules, though some more changes may be in store.
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parents:
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diff
changeset
|
227 |
return self.host; |
193f9dd64f17
Bumper commit for the new modulemanager API \o/ Updates all the modules, though some more changes may be in store.
Matthew Wild <mwild1@gmail.com>
parents:
400
diff
changeset
|
228 |
end |
193f9dd64f17
Bumper commit for the new modulemanager API \o/ Updates all the modules, though some more changes may be in store.
Matthew Wild <mwild1@gmail.com>
parents:
400
diff
changeset
|
229 |
|
590
54afe37cccbf
Combined and merged similar code
Waqas Hussain <waqas20@gmail.com>
parents:
589
diff
changeset
|
230 |
local function _add_handler(module, origin_type, tag, xmlns, handler) |
591 | 231 |
local handlers = stanza_handlers:get(module.host, origin_type, tag, xmlns); |
590
54afe37cccbf
Combined and merged similar code
Waqas Hussain <waqas20@gmail.com>
parents:
589
diff
changeset
|
232 |
local msg = (tag == "iq") and "namespace" or "payload namespace"; |
578
5879264e28e2
Changed module manager to use multitable (initial commit)
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parents:
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diff
changeset
|
233 |
if not handlers then |
591 | 234 |
stanza_handlers:add(module.host, origin_type, tag, xmlns, handler); |
578
5879264e28e2
Changed module manager to use multitable (initial commit)
Waqas Hussain <waqas20@gmail.com>
parents:
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diff
changeset
|
235 |
handler_info[handler] = module; |
670
d5cf10b7fc44
Modulemanager: Basic modules can now be unloaded correctly
Waqas Hussain <waqas20@gmail.com>
parents:
637
diff
changeset
|
236 |
handler_table:add(module.host, module.name, {module.host, origin_type, tag, xmlns}); |
733
b1aedec00661
modulemanager: Comment out logging of modules hooking stanzas, too noisy
Matthew Wild <mwild1@gmail.com>
parents:
713
diff
changeset
|
237 |
--module:log("debug", "I now handle tag '%s' [%s] with %s '%s'", tag, origin_type, msg, xmlns); |
578
5879264e28e2
Changed module manager to use multitable (initial commit)
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diff
changeset
|
238 |
else |
590
54afe37cccbf
Combined and merged similar code
Waqas Hussain <waqas20@gmail.com>
parents:
589
diff
changeset
|
239 |
module:log("warn", "I wanted to handle tag '%s' [%s] with %s '%s' but mod_%s already handles that", tag, origin_type, msg, xmlns, handler_info[handlers[1]].module.name); |
578
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Changed module manager to use multitable (initial commit)
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diff
changeset
|
240 |
end |
5879264e28e2
Changed module manager to use multitable (initial commit)
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parents:
573
diff
changeset
|
241 |
end |
438
193f9dd64f17
Bumper commit for the new modulemanager API \o/ Updates all the modules, though some more changes may be in store.
Matthew Wild <mwild1@gmail.com>
parents:
400
diff
changeset
|
242 |
|
590
54afe37cccbf
Combined and merged similar code
Waqas Hussain <waqas20@gmail.com>
parents:
589
diff
changeset
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243 |
function api:add_handler(origin_type, tag, xmlns, handler) |
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if not (origin_type and tag and xmlns and handler) then return false; end |
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if type(origin_type) == "table" then |
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for _, origin_type in ipairs(origin_type) do |
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_add_handler(self, origin_type, tag, xmlns, handler); |
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end |
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else |
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_add_handler(self, origin_type, tag, xmlns, handler); |
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end |
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end |
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function api:add_iq_handler(origin_type, xmlns, handler) |
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self:add_handler(origin_type, "iq", xmlns, handler); |
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end |
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|
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addDiscoInfoHandler("*host", function(reply, to, from, node) |
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if #node == 0 then |
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local done = {}; |
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for module, features in pairs(features_table:get(to) or NULL) do -- for each module |
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for feature in pairs(features) do |
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if not done[feature] then |
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reply:tag("feature", {var = feature}):up(); -- TODO cache |
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done[feature] = true; |
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end |
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end |
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end |
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return next(done) ~= nil; |
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end |
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end); |
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|
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function api:add_feature(xmlns) |
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features_table:set(self.host, self.name, xmlns, true); |
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end |
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|
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local event_hook = function(host, mod_name, event_name, ...) |
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if type((...)) == "table" and (...).host and (...).host ~= host then return; end |
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for handler in pairs(event_hooks:get(host, mod_name, event_name) or NULL) do |
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handler(...); |
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end |
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end; |
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function api:add_event_hook(name, handler) |
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if not hooked:get(self.host, self.name, name) then |
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eventmanager.add_event_hook(name, function(...) event_hook(self.host, self.name, name, ...); end); |
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hooked:set(self.host, self.name, name, true); |
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end |
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event_hooks:set(self.host, self.name, name, handler, true); |
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end |
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Bumper commit for the new modulemanager API \o/ Updates all the modules, though some more changes may be in store.
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|
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-------------------------------------------------------------------- |
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|
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local actions = {}; |
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|
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function actions.load(params) |
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--return true, "Module loaded ("..params.module.." on "..params.host..")"; |
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return load(params.host, params.module); |
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end |
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|
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function actions.unload(params) |
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return unload(params.host, params.module); |
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301 |
end |
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|
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register_actions("/modules", actions); |
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|
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return _M; |