prosody
b1726c2a2afc
core/modulemanager.lua

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core/modulemanager.lua @ 2979:b1726c2a2afc

MUC: Allow moderators which are not owners to change roles.
author Waqas Hussain <waqas20@gmail.com>
date Wed, 14 Apr 2010 17:54:33 +0500
parent 2949:ef19faa7d106
child 2951:294c359a05f5
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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 plugin_dir = CFG_PLUGINDIR or "./plugins/";
438
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10
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11 local logger = require "util.logger";
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12 local log = logger.init("modulemanager");
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13 local eventmanager = require "core.eventmanager";
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14 local config = require "core.configmanager";
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15 local multitable_new = require "util.multitable".new;
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16 local register_actions = require "core.actions".register;
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17 local st = require "util.stanza";
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18 local pluginloader = require "util.pluginloader";
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19
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20 local hosts = hosts;
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21 local prosody = prosody;
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22
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23 local loadfile, pcall = loadfile, pcall;
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24 local setmetatable, setfenv, getfenv = setmetatable, setfenv, getfenv;
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25 local pairs, ipairs = pairs, ipairs;
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26 local t_insert, t_concat = table.insert, table.concat;
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27 local type = type;
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28 local next = next;
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29 local rawget = rawget;
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30 local error = error;
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31 local tostring = tostring;
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32
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33 local autoload_modules = {"presence", "message", "iq"};
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34
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35 -- We need this to let modules access the real global namespace
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36 local _G = _G;
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37
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38 module "modulemanager"
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39
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40 api = {};
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41 local api = api; -- Module API container
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42
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43 local modulemap = { ["*"] = {} };
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44
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45 local stanza_handlers = multitable_new();
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46 local handler_info = {};
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48 local modulehelpers = setmetatable({}, { __index = _G });
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49
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50 local handler_table = multitable_new();
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51 local hooked = multitable_new();
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52 local hooks = multitable_new();
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53 local event_hooks = multitable_new();
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54
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55 local NULL = {};
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56
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57 -- Load modules when a host is activated
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58 function load_modules_for_host(host)
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59 local disabled_set = {};
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60 local modules_disabled = config.get(host, "core", "modules_disabled");
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61 if modules_disabled then
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62 for _, module in ipairs(modules_disabled) do
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63 disabled_set[module] = true;
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64 end
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65 end
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67 -- Load auto-loaded modules for this host
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68 if hosts[host].type == "local" then
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69 for _, module in ipairs(autoload_modules) do
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70 if not disabled_set[module] then
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71 load(host, module);
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72 end
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73 end
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74 end
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76 -- Load modules from global section
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77 if config.get(host, "core", "load_global_modules") ~= false then
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78 local modules_enabled = config.get("*", "core", "modules_enabled");
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79 if modules_enabled then
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80 for _, module in ipairs(modules_enabled) do
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81 if not disabled_set[module] and not is_loaded(host, module) then
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82 load(host, module);
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83 end
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84 end
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85 end
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86 end
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87
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88 -- Load modules from just this host
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89 local modules_enabled = config.get(host, "core", "modules_enabled");
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90 if modules_enabled and modules_enabled ~= config.get("*", "core", "modules_enabled") then
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91 for _, module in pairs(modules_enabled) do
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92 if not is_loaded(host, module) then
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93 load(host, module);
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94 end
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95 end
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96 end
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97 end
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98 eventmanager.add_event_hook("host-activated", load_modules_for_host);
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99 eventmanager.add_event_hook("component-activated", load_modules_for_host);
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100 --
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101
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102 function load(host, module_name, config)
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103 if not (host and module_name) then
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104 return nil, "insufficient-parameters";
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105 end
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106
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107 if not modulemap[host] then
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108 modulemap[host] = {};
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109 end
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110
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111 if modulemap[host][module_name] then
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112 log("warn", "%s is already loaded for %s, so not loading again", module_name, host);
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113 return nil, "module-already-loaded";
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114 elseif modulemap["*"][module_name] then
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115 return nil, "global-module-already-loaded";
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116 end
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117
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118
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119 local mod, err = pluginloader.load_code(module_name);
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120 if not mod then
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121 log("error", "Unable to load module '%s': %s", module_name or "nil", err or "nil");
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122 return nil, err;
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123 end
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124
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125 local _log = logger.init(host..":"..module_name);
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126 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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127
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parents: 400
diff changeset
128 local pluginenv = setmetatable({ module = api_instance }, { __index = _G });
30
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129
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130 setfenv(mod, pluginenv);
1993
09621f8d0366 modulemanager: Use componentmanager to create new components.
Waqas Hussain <waqas20@gmail.com>
parents: 1988
diff changeset
131 if not hosts[host] then
09621f8d0366 modulemanager: Use componentmanager to create new components.
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parents: 1988
diff changeset
132 local create_component = _G.require "core.componentmanager".create_component;
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parents: 1988
diff changeset
133 hosts[host] = create_component(host);
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parents: 1988
diff changeset
134 hosts[host].connected = false;
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parents: 1988
diff changeset
135 log("debug", "Created new component: %s", host);
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Waqas Hussain <waqas20@gmail.com>
parents: 1988
diff changeset
136 end
1987
94ecd3e7be87 modulemanager: Fixed traceback on loading modules on unknown hosts.
Waqas Hussain <waqas20@gmail.com>
parents: 1986
diff changeset
137 hosts[host].modules = modulemap[host];
1994
9cc9b096c8f5 modulemanager: Module loading rewritten to gracefully deal with errors in module initialization.
Waqas Hussain <waqas20@gmail.com>
parents: 1993
diff changeset
138 modulemap[host][module_name] = pluginenv;
438
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
139
1994
9cc9b096c8f5 modulemanager: Module loading rewritten to gracefully deal with errors in module initialization.
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parents: 1993
diff changeset
140 local success, err = pcall(mod);
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parents: 1993
diff changeset
141 if success then
9cc9b096c8f5 modulemanager: Module loading rewritten to gracefully deal with errors in module initialization.
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parents: 1993
diff changeset
142 if module_has_method(pluginenv, "load") then
9cc9b096c8f5 modulemanager: Module loading rewritten to gracefully deal with errors in module initialization.
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parents: 1993
diff changeset
143 success, err = call_module_method(pluginenv, "load");
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parents: 1993
diff changeset
144 if not success then
9cc9b096c8f5 modulemanager: Module loading rewritten to gracefully deal with errors in module initialization.
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parents: 1993
diff changeset
145 log("warn", "Error loading module '%s' on '%s': %s", module_name, host, err or "nil");
9cc9b096c8f5 modulemanager: Module loading rewritten to gracefully deal with errors in module initialization.
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parents: 1993
diff changeset
146 end
1378
d09ecc8ee1ef modulemanager: Call 'load' method when loading a module
Matthew Wild <mwild1@gmail.com>
parents: 1361
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147 end
d09ecc8ee1ef modulemanager: Call 'load' method when loading a module
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parents: 1361
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148
1994
9cc9b096c8f5 modulemanager: Module loading rewritten to gracefully deal with errors in module initialization.
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parents: 1993
diff changeset
149 -- Use modified host, if the module set one
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parents: 1993
diff changeset
150 if api_instance.host == "*" and host ~= "*" then
9cc9b096c8f5 modulemanager: Module loading rewritten to gracefully deal with errors in module initialization.
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parents: 1993
diff changeset
151 modulemap[host][module_name] = nil;
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parents: 1993
diff changeset
152 modulemap["*"][module_name] = pluginenv;
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parents: 1993
diff changeset
153 api_instance:set_global();
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parents: 1993
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154 end
9cc9b096c8f5 modulemanager: Module loading rewritten to gracefully deal with errors in module initialization.
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parents: 1993
diff changeset
155 else
9cc9b096c8f5 modulemanager: Module loading rewritten to gracefully deal with errors in module initialization.
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parents: 1993
diff changeset
156 log("error", "Error initializing module '%s' on '%s': %s", module_name, host, err or "nil");
1069
034e345c0f8d modulemanager: Update logger when a module becomes global
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parents: 929
diff changeset
157 end
1994
9cc9b096c8f5 modulemanager: Module loading rewritten to gracefully deal with errors in module initialization.
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parents: 1993
diff changeset
158 if success then
9cc9b096c8f5 modulemanager: Module loading rewritten to gracefully deal with errors in module initialization.
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parents: 1993
diff changeset
159 return true;
9cc9b096c8f5 modulemanager: Module loading rewritten to gracefully deal with errors in module initialization.
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parents: 1993
diff changeset
160 else -- load failed, unloading
9cc9b096c8f5 modulemanager: Module loading rewritten to gracefully deal with errors in module initialization.
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parents: 1993
diff changeset
161 unload(api_instance.host, module_name);
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parents: 1993
diff changeset
162 return nil, err;
9cc9b096c8f5 modulemanager: Module loading rewritten to gracefully deal with errors in module initialization.
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parents: 1993
diff changeset
163 end
30
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164 end
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165
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diff changeset
166 function get_module(host, name)
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diff changeset
167 return modulemap[host] and modulemap[host][name];
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168 end
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diff changeset
169
439
6608ad3a72f3 is_loaded() and incomplete unload() for modules
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parents: 438
diff changeset
170 function is_loaded(host, name)
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parents: 438
diff changeset
171 return modulemap[host] and modulemap[host][name] and true;
6608ad3a72f3 is_loaded() and incomplete unload() for modules
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parents: 438
diff changeset
172 end
6608ad3a72f3 is_loaded() and incomplete unload() for modules
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parents: 438
diff changeset
173
6608ad3a72f3 is_loaded() and incomplete unload() for modules
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parents: 438
diff changeset
174 function unload(host, name, ...)
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diff changeset
175 local mod = get_module(host, name);
439
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parents: 438
diff changeset
176 if not mod then return nil, "module-not-loaded"; end
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parents: 438
diff changeset
177
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178 if module_has_method(mod, "unload") then
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diff changeset
179 local ok, err = call_module_method(mod, "unload");
439
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diff changeset
180 if (not ok) and err then
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181 log("warn", "Non-fatal error unloading module '%s' on '%s': %s", name, host, err);
439
6608ad3a72f3 is_loaded() and incomplete unload() for modules
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parents: 438
diff changeset
182 end
674
4f506c627b49 modulemanager: module.unload now gets called when modules are being unloaded
Waqas Hussain <waqas20@gmail.com>
parents: 670
diff changeset
183 end
670
d5cf10b7fc44 Modulemanager: Basic modules can now be unloaded correctly
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parents: 637
diff changeset
184 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: 686
diff changeset
185 for _, param in pairs(params or NULL) do
670
d5cf10b7fc44 Modulemanager: Basic modules can now be unloaded correctly
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parents: 637
diff changeset
186 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: 686
diff changeset
187 if handlers then
b72d408f5f15 modulemanager: Fixed error on unloading modules with no handlers
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parents: 686
diff changeset
188 handler_info[handlers[1]] = nil;
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parents: 686
diff changeset
189 stanza_handlers:remove(param[1], param[2], param[3], param[4]);
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parents: 686
diff changeset
190 end
439
6608ad3a72f3 is_loaded() and incomplete unload() for modules
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parents: 438
diff changeset
191 end
686
13ed38531f69 modulemanager: Per-host event hooks for plugins - solves issue 41
Waqas Hussain <waqas20@gmail.com>
parents: 675
diff changeset
192 event_hooks:remove(host, name);
1259
6bd11bca9725 modulemanager: Keep track of event handlers added by module:hook, and remove them on module unload
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parents: 1253
diff changeset
193 -- unhook event handlers hooked by module:hook
6bd11bca9725 modulemanager: Keep track of event handlers added by module:hook, and remove them on module unload
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parents: 1253
diff changeset
194 for event, handlers in pairs(hooks:get(host, name) or NULL) do
6bd11bca9725 modulemanager: Keep track of event handlers added by module:hook, and remove them on module unload
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parents: 1253
diff changeset
195 for handler in pairs(handlers or NULL) do
6bd11bca9725 modulemanager: Keep track of event handlers added by module:hook, and remove them on module unload
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parents: 1253
diff changeset
196 (hosts[host] or prosody).events.remove_handler(event, handler);
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parents: 1253
diff changeset
197 end
6bd11bca9725 modulemanager: Keep track of event handlers added by module:hook, and remove them on module unload
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parents: 1253
diff changeset
198 end
6bd11bca9725 modulemanager: Keep track of event handlers added by module:hook, and remove them on module unload
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parents: 1253
diff changeset
199 hooks:remove(host, name);
2828
fbddc3ed0d09 modulemanager: Fire item-removed events on module unload.
Waqas Hussain <waqas20@gmail.com>
parents: 2072
diff changeset
200 if mod.module.items then -- remove items
fbddc3ed0d09 modulemanager: Fire item-removed events on module unload.
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parents: 2072
diff changeset
201 for key,t in pairs(mod.module.items) do
fbddc3ed0d09 modulemanager: Fire item-removed events on module unload.
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parents: 2072
diff changeset
202 for i = #t,1,-1 do
fbddc3ed0d09 modulemanager: Fire item-removed events on module unload.
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parents: 2072
diff changeset
203 local value = t[i];
fbddc3ed0d09 modulemanager: Fire item-removed events on module unload.
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parents: 2072
diff changeset
204 t[i] = nil;
fbddc3ed0d09 modulemanager: Fire item-removed events on module unload.
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parents: 2072
diff changeset
205 hosts[host].events.fire_event("item-removed/"..key, {source = self, item = value});
fbddc3ed0d09 modulemanager: Fire item-removed events on module unload.
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parents: 2072
diff changeset
206 end
fbddc3ed0d09 modulemanager: Fire item-removed events on module unload.
Waqas Hussain <waqas20@gmail.com>
parents: 2072
diff changeset
207 end
fbddc3ed0d09 modulemanager: Fire item-removed events on module unload.
Waqas Hussain <waqas20@gmail.com>
parents: 2072
diff changeset
208 end
1986
d4ba9d94eb74 modulemanager: Slightly rearranged code for more robust unloading of modules.
Waqas Hussain <waqas20@gmail.com>
parents: 1960
diff changeset
209 modulemap[host][name] = nil;
670
d5cf10b7fc44 Modulemanager: Basic modules can now be unloaded correctly
Waqas Hussain <waqas20@gmail.com>
parents: 637
diff changeset
210 return true;
439
6608ad3a72f3 is_loaded() and incomplete unload() for modules
Matthew Wild <mwild1@gmail.com>
parents: 438
diff changeset
211 end
6608ad3a72f3 is_loaded() and incomplete unload() for modules
Matthew Wild <mwild1@gmail.com>
parents: 438
diff changeset
212
710
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parents: 709
diff changeset
213 function reload(host, name, ...)
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diff changeset
214 local mod = get_module(host, name);
710
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parents: 709
diff changeset
215 if not mod then return nil, "module-not-loaded"; end
56f6c115bc69 modulemanager: Added reload support, with callbacks for saving and restoring state
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parents: 709
diff changeset
216
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857034905016 modulemanager: Changed to use util.pluginloader
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parents: 1346
diff changeset
217 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
218 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
219 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
220 return nil, err;
2afd6d9e21cd modulemanager: Check for syntax errors before reloading a module
Waqas Hussain <waqas20@gmail.com>
parents: 710
diff changeset
221 end
2afd6d9e21cd modulemanager: Check for syntax errors before reloading a module
Waqas Hussain <waqas20@gmail.com>
parents: 710
diff changeset
222
710
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parents: 709
diff changeset
223 local saved;
745
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diff changeset
224
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parents: 733
diff changeset
225 if module_has_method(mod, "save") then
5a343599cd3e core.modulemanager: Some refactoring to make upcoming changes a little easier
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parents: 733
diff changeset
226 local ok, ret, err = call_module_method(mod, "save");
5a343599cd3e core.modulemanager: Some refactoring to make upcoming changes a little easier
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parents: 733
diff changeset
227 if ok then
5a343599cd3e core.modulemanager: Some refactoring to make upcoming changes a little easier
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parents: 733
diff changeset
228 saved = ret;
710
56f6c115bc69 modulemanager: Added reload support, with callbacks for saving and restoring state
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diff changeset
229 else
745
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parents: 733
diff changeset
230 log("warn", "Error saving module '%s:%s' state: %s", host, module, ret);
5a343599cd3e core.modulemanager: Some refactoring to make upcoming changes a little easier
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parents: 733
diff changeset
231 if not config.get(host, "core", "force_module_reload") then
5a343599cd3e core.modulemanager: Some refactoring to make upcoming changes a little easier
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parents: 733
diff changeset
232 log("warn", "Aborting reload due to error, set force_module_reload to ignore this");
5a343599cd3e core.modulemanager: Some refactoring to make upcoming changes a little easier
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parents: 733
diff changeset
233 return nil, "save-state-failed";
5a343599cd3e core.modulemanager: Some refactoring to make upcoming changes a little easier
Matthew Wild <mwild1@gmail.com>
parents: 733
diff changeset
234 else
5a343599cd3e core.modulemanager: Some refactoring to make upcoming changes a little easier
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parents: 733
diff changeset
235 log("warn", "Continuing with reload (using the force)");
5a343599cd3e core.modulemanager: Some refactoring to make upcoming changes a little easier
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parents: 733
diff changeset
236 end
710
56f6c115bc69 modulemanager: Added reload support, with callbacks for saving and restoring state
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parents: 709
diff changeset
237 end
56f6c115bc69 modulemanager: Added reload support, with callbacks for saving and restoring state
Waqas Hussain <waqas20@gmail.com>
parents: 709
diff changeset
238 end
56f6c115bc69 modulemanager: Added reload support, with callbacks for saving and restoring state
Waqas Hussain <waqas20@gmail.com>
parents: 709
diff changeset
239
56f6c115bc69 modulemanager: Added reload support, with callbacks for saving and restoring state
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parents: 709
diff changeset
240 unload(host, name, ...);
745
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parents: 733
diff changeset
241 local ok, err = load(host, name, ...);
5a343599cd3e core.modulemanager: Some refactoring to make upcoming changes a little easier
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parents: 733
diff changeset
242 if ok then
5a343599cd3e core.modulemanager: Some refactoring to make upcoming changes a little easier
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parents: 733
diff changeset
243 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
244 if module_has_method(mod, "restore") then
5a343599cd3e core.modulemanager: Some refactoring to make upcoming changes a little easier
Matthew Wild <mwild1@gmail.com>
parents: 733
diff changeset
245 local ok, err = call_module_method(mod, "restore", saved or {})
710
56f6c115bc69 modulemanager: Added reload support, with callbacks for saving and restoring state
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parents: 709
diff changeset
246 if (not ok) and err then
745
5a343599cd3e core.modulemanager: Some refactoring to make upcoming changes a little easier
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parents: 733
diff changeset
247 log("warn", "Error restoring module '%s' from '%s': %s", name, host, err);
710
56f6c115bc69 modulemanager: Added reload support, with callbacks for saving and restoring state
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parents: 709
diff changeset
248 end
56f6c115bc69 modulemanager: Added reload support, with callbacks for saving and restoring state
Waqas Hussain <waqas20@gmail.com>
parents: 709
diff changeset
249 end
56f6c115bc69 modulemanager: Added reload support, with callbacks for saving and restoring state
Waqas Hussain <waqas20@gmail.com>
parents: 709
diff changeset
250 return true;
56f6c115bc69 modulemanager: Added reload support, with callbacks for saving and restoring state
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parents: 709
diff changeset
251 end
745
5a343599cd3e core.modulemanager: Some refactoring to make upcoming changes a little easier
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parents: 733
diff changeset
252 return ok, err;
710
56f6c115bc69 modulemanager: Added reload support, with callbacks for saving and restoring state
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parents: 709
diff changeset
253 end
56f6c115bc69 modulemanager: Added reload support, with callbacks for saving and restoring state
Waqas Hussain <waqas20@gmail.com>
parents: 709
diff changeset
254
578
5879264e28e2 Changed module manager to use multitable (initial commit)
Waqas Hussain <waqas20@gmail.com>
parents: 573
diff changeset
255 function handle_stanza(host, origin, stanza)
1730
f4170bc82969 modulemanager: Fixed: Internally generated stanzas could be missing namespaces, which causes tracebacks in logging (e.g., auto-generated offline presence)
Waqas Hussain <waqas20@gmail.com>
parents: 1523
diff changeset
256 local name, xmlns, origin_type = stanza.name, stanza.attr.xmlns or "jabber:client", origin.type;
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diff changeset
257 if name == "iq" and xmlns == "jabber:client" then
608
3758af511ce8 Don't try processing stanzas not of type get or set in module manager
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parents: 592
diff changeset
258 if stanza.attr.type == "get" or stanza.attr.type == "set" then
929
b4f2ca7f6f00 Fixed: modulemanager: IQs with extended elements in the default namespace could cause backtraces (related to issue #74)
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parents: 896
diff changeset
259 xmlns = stanza.tags[1].attr.xmlns or "jabber:client";
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parents: 592
diff changeset
260 log("debug", "Stanza of type %s from %s has xmlns: %s", name, origin_type, xmlns);
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diff changeset
261 else
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diff changeset
262 log("debug", "Discarding %s from %s of type: %s", name, origin_type, stanza.attr.type);
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diff changeset
263 return true;
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diff changeset
264 end
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diff changeset
265 end
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diff changeset
266 local handlers = stanza_handlers:get(host, origin_type, name, xmlns);
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fad020cead52 Allow global modules to hook stanza handlers
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parents: 778
diff changeset
267 if not handlers then handlers = stanza_handlers:get("*", origin_type, name, xmlns); end
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diff changeset
268 if handlers then
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diff changeset
269 log("debug", "Passing stanza to mod_%s", handler_info[handlers[1]].name);
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diff changeset
270 (handlers[1])(origin, stanza);
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diff changeset
271 return true;
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diff changeset
272 else
2949
ef19faa7d106 stanza_router, s2smanager, modulemanager: Fix for handling of the default namespace on stanzas, causing sometimes jabber:client to be sent over s2s, and accepted
Matthew Wild <mwild1@gmail.com>
parents: 2923
diff changeset
273 if stanza.attr.xmlns == nil then
1933
3884a0aac4d7 modulemanager: Bump log level of unhandled non-default-namespace elements, and log their full XML
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parents: 1908
diff changeset
274 log("debug", "Unhandled %s stanza: %s; xmlns=%s", origin.type, stanza.name, xmlns); -- we didn't handle it
1167
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parents: 1105
diff changeset
275 if stanza.attr.type ~= "error" and stanza.attr.type ~= "result" then
5620ea24be94 stanza_router: Removed global function core_handle_stanza
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parents: 1105
diff changeset
276 origin.send(st.error_reply(stanza, "cancel", "service-unavailable"));
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parents: 1105
diff changeset
277 end
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cc20d6dfa32d modulemanager: Don't close stream on stream:error with unsupported-stanza-type (fixes #102)
Waqas Hussain <waqas20@gmail.com>
parents: 1394
diff changeset
278 elseif not((name == "features" or name == "error") and xmlns == "http://etherx.jabber.org/streams") then -- FIXME remove check once we handle S2S features
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parents: 1908
diff changeset
279 log("warn", "Unhandled %s stream element: %s; xmlns=%s: %s", origin.type, stanza.name, xmlns, tostring(stanza)); -- we didn't handle it
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parents: 1105
diff changeset
280 origin:close("unsupported-stanza-type");
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diff changeset
281 end
578
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diff changeset
282 end
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diff changeset
283 end
39
89877d61ac51 Add support for arbitrary events and event hooks
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parents: 38
diff changeset
284
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diff changeset
285 function module_has_method(module, method)
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diff changeset
286 return type(module.module[method]) == "function";
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287 end
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288
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40837f3422ab modulemanager: Add get_host_type() API method, and fix up call_module_method to work properly
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parents: 746
diff changeset
289 function call_module_method(module, method, ...)
745
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parents: 733
diff changeset
290 if module_has_method(module, method) then
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172c43d735e9 modulemanager: Really fix call_module_method to work properly
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parents: 747
diff changeset
291 local f = module.module[method];
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diff changeset
292 return pcall(f, ...);
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parents: 733
diff changeset
293 else
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parents: 733
diff changeset
294 return false, "no-such-method";
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parents: 733
diff changeset
295 end
5a343599cd3e core.modulemanager: Some refactoring to make upcoming changes a little easier
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diff changeset
296 end
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297
438
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diff changeset
298 ----- API functions exposed to modules -----------
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diff changeset
299 -- Must all be in api.*
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diff changeset
300
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diff changeset
301 -- Returns the name of the current module
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diff changeset
302 function api:get_name()
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diff changeset
303 return self.name;
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diff changeset
304 end
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
305
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
306 -- Returns the host that the current module is serving
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parents: 400
diff changeset
307 function api:get_host()
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parents: 400
diff changeset
308 return self.host;
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diff changeset
309 end
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parents: 400
diff changeset
310
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parents: 746
diff changeset
311 function api:get_host_type()
40837f3422ab modulemanager: Add get_host_type() API method, and fix up call_module_method to work properly
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parents: 746
diff changeset
312 return hosts[self.host].type;
40837f3422ab modulemanager: Add get_host_type() API method, and fix up call_module_method to work properly
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parents: 746
diff changeset
313 end
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
314
746
7027de4c039d modulemanager: Add module:set_global() as a cleaner way for a module to declare itself 'global'
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parents: 745
diff changeset
315 function api:set_global()
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parents: 745
diff changeset
316 self.host = "*";
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034e345c0f8d modulemanager: Update logger when a module becomes global
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parents: 929
diff changeset
317 -- Update the logger
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diff changeset
318 local _log = logger.init("mod_"..self.name);
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diff changeset
319 self.log = function (self, ...) return _log(...); end;
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parents: 929
diff changeset
320 self._log = _log;
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parents: 745
diff changeset
321 end
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diff changeset
322
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diff changeset
323 local function _add_handler(module, origin_type, tag, xmlns, handler)
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parents: 590
diff changeset
324 local handlers = stanza_handlers:get(module.host, origin_type, tag, xmlns);
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diff changeset
325 local msg = (tag == "iq") and "namespace" or "payload namespace";
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diff changeset
326 if not handlers then
591
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diff changeset
327 stanza_handlers:add(module.host, origin_type, tag, xmlns, handler);
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parents: 573
diff changeset
328 handler_info[handler] = module;
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d5cf10b7fc44 Modulemanager: Basic modules can now be unloaded correctly
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parents: 637
diff changeset
329 handler_table:add(module.host, module.name, {module.host, origin_type, tag, xmlns});
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b1aedec00661 modulemanager: Comment out logging of modules hooking stanzas, too noisy
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parents: 713
diff changeset
330 --module:log("debug", "I now handle tag '%s' [%s] with %s '%s'", tag, origin_type, msg, xmlns);
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diff changeset
331 else
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diff changeset
332 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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parents: 573
diff changeset
333 end
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parents: 573
diff changeset
334 end
438
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parents: 400
diff changeset
335
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diff changeset
336 function api:add_handler(origin_type, tag, xmlns, handler)
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diff changeset
337 if not (origin_type and tag and xmlns and handler) then return false; end
438
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parents: 400
diff changeset
338 if type(origin_type) == "table" then
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diff changeset
339 for _, origin_type in ipairs(origin_type) do
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diff changeset
340 _add_handler(self, origin_type, tag, xmlns, handler);
438
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parents: 400
diff changeset
341 end
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342 else
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diff changeset
343 _add_handler(self, origin_type, tag, xmlns, handler);
438
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344 end
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diff changeset
345 end
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diff changeset
346 function api:add_iq_handler(origin_type, xmlns, handler)
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diff changeset
347 self:add_handler(origin_type, "iq", xmlns, handler);
438
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diff changeset
348 end
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diff changeset
349
540
ec03f6968fa8 Added function add_feature to modules API (for adding disco features)
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parents: 519
diff changeset
350 function api:add_feature(xmlns)
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f1783e621a36 modulemanager: Module API functions add_item and add_feature updated to use the add_item API
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parents: 1695
diff changeset
351 self:add_item("feature", xmlns);
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parents: 519
diff changeset
352 end
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parents: 1694
diff changeset
353 function api:add_identity(category, type, name)
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f1783e621a36 modulemanager: Module API functions add_item and add_feature updated to use the add_item API
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parents: 1695
diff changeset
354 self:add_item("identity", {category = category, type = type, name = name});
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6846c5cc9ce2 modulemanager: Added function add_identity(category, type) to the modules API
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parents: 1330
diff changeset
355 end
540
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parents: 519
diff changeset
356
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parents: 675
diff changeset
357 local event_hook = function(host, mod_name, event_name, ...)
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parents: 675
diff changeset
358 if type((...)) == "table" and (...).host and (...).host ~= host then return; end
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parents: 675
diff changeset
359 for handler in pairs(event_hooks:get(host, mod_name, event_name) or NULL) do
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parents: 675
diff changeset
360 handler(...);
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parents: 675
diff changeset
361 end
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parents: 675
diff changeset
362 end;
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parents: 675
diff changeset
363 function api:add_event_hook(name, handler)
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parents: 675
diff changeset
364 if not hooked:get(self.host, self.name, name) then
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parents: 675
diff changeset
365 eventmanager.add_event_hook(name, function(...) event_hook(self.host, self.name, name, ...); end);
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parents: 675
diff changeset
366 hooked:set(self.host, self.name, name, true);
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parents: 675
diff changeset
367 end
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parents: 675
diff changeset
368 event_hooks:set(self.host, self.name, name, handler, true);
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parents: 675
diff changeset
369 end
438
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diff changeset
370
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diff changeset
371 function api:fire_event(...)
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parents: 1250
diff changeset
372 return (hosts[self.host] or prosody).events.fire_event(...);
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diff changeset
373 end
565e16ee0c74 modulemanager: Add module:fire_event() to module API
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parents: 1174
diff changeset
374
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parents: 1318
diff changeset
375 function api:hook(event, handler, priority)
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parents: 1253
diff changeset
376 hooks:set(self.host, self.name, event, handler, true);
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parents: 1318
diff changeset
377 (hosts[self.host] or prosody).events.add_handler(event, handler, priority);
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parents: 1183
diff changeset
378 end
6f251813f1e5 modulemanager: Added hook(event, handler) to the plugin API
Waqas Hussain <waqas20@gmail.com>
parents: 1183
diff changeset
379
1319
812c028a877d modulemanager: Allow setting priority of stanza handlers
Matthew Wild <mwild1@gmail.com>
parents: 1318
diff changeset
380 function api:hook_stanza(xmlns, name, handler, priority)
1318
66f76c332a75 modulemanager: Add module:hook([xmlns, ] name, handler) which uses new stanza events
Matthew Wild <mwild1@gmail.com>
parents: 1309
diff changeset
381 if not handler and type(name) == "function" then
66f76c332a75 modulemanager: Add module:hook([xmlns, ] name, handler) which uses new stanza events
Matthew Wild <mwild1@gmail.com>
parents: 1309
diff changeset
382 -- If only 2 options then they specified no xmlns
1319
812c028a877d modulemanager: Allow setting priority of stanza handlers
Matthew Wild <mwild1@gmail.com>
parents: 1318
diff changeset
383 xmlns, name, handler, priority = nil, xmlns, name, handler;
1321
0698d0d39b35 modulemanager: Don't require xmlns to be non-nil
Matthew Wild <mwild1@gmail.com>
parents: 1320
diff changeset
384 elseif not (handler and name) then
1320
9c736b993e07 modulemanager: module:log() -> self:log() fix
Matthew Wild <mwild1@gmail.com>
parents: 1319
diff changeset
385 self:log("warn", "Error: Insufficient parameters to module:hook_stanza()");
1318
66f76c332a75 modulemanager: Add module:hook([xmlns, ] name, handler) which uses new stanza events
Matthew Wild <mwild1@gmail.com>
parents: 1309
diff changeset
386 return;
66f76c332a75 modulemanager: Add module:hook([xmlns, ] name, handler) which uses new stanza events
Matthew Wild <mwild1@gmail.com>
parents: 1309
diff changeset
387 end
1319
812c028a877d modulemanager: Allow setting priority of stanza handlers
Matthew Wild <mwild1@gmail.com>
parents: 1318
diff changeset
388 return api.hook(self, "stanza/"..(xmlns and (xmlns..":") or "")..name, function (data) return handler(data.origin, data.stanza, data); end, priority);
1318
66f76c332a75 modulemanager: Add module:hook([xmlns, ] name, handler) which uses new stanza events
Matthew Wild <mwild1@gmail.com>
parents: 1309
diff changeset
389 end
66f76c332a75 modulemanager: Add module:hook([xmlns, ] name, handler) which uses new stanza events
Matthew Wild <mwild1@gmail.com>
parents: 1309
diff changeset
390
1392
9935ddfd8ccf modulemanager: Added simple module:require implementation
Waqas Hussain <waqas20@gmail.com>
parents: 1361
diff changeset
391 function api:require(lib)
9935ddfd8ccf modulemanager: Added simple module:require implementation
Waqas Hussain <waqas20@gmail.com>
parents: 1361
diff changeset
392 local f, n = pluginloader.load_code(self.name, lib..".lib.lua");
9935ddfd8ccf modulemanager: Added simple module:require implementation
Waqas Hussain <waqas20@gmail.com>
parents: 1361
diff changeset
393 if not f then
9935ddfd8ccf modulemanager: Added simple module:require implementation
Waqas Hussain <waqas20@gmail.com>
parents: 1361
diff changeset
394 f, n = pluginloader.load_code(lib, lib..".lib.lua");
9935ddfd8ccf modulemanager: Added simple module:require implementation
Waqas Hussain <waqas20@gmail.com>
parents: 1361
diff changeset
395 end
9935ddfd8ccf modulemanager: Added simple module:require implementation
Waqas Hussain <waqas20@gmail.com>
parents: 1361
diff changeset
396 if not f then error("Failed to load plugin library '"..lib.."', error: "..n); end -- FIXME better error message
1393
576143941a76 modulemanager: Enabled access to the module API from plugin libraries
Waqas Hussain <waqas20@gmail.com>
parents: 1392
diff changeset
397 setfenv(f, setmetatable({ module = self }, { __index = _G }));
1392
9935ddfd8ccf modulemanager: Added simple module:require implementation
Waqas Hussain <waqas20@gmail.com>
parents: 1361
diff changeset
398 return f();
9935ddfd8ccf modulemanager: Added simple module:require implementation
Waqas Hussain <waqas20@gmail.com>
parents: 1361
diff changeset
399 end
9935ddfd8ccf modulemanager: Added simple module:require implementation
Waqas Hussain <waqas20@gmail.com>
parents: 1361
diff changeset
400
1586
5c627d5d5e37 modulemanager: Added get_option(name, default_value) to plugin API
Waqas Hussain <waqas20@gmail.com>
parents: 1523
diff changeset
401 function api:get_option(name, default_value)
2072
464a5392bc80 modulemanager: api:get_option(): Handle correctly option values of boolean false, don't assume value unset
Matthew Wild <mwild1@gmail.com>
parents: 1994
diff changeset
402 local value = config.get(self.host, self.name, name);
464a5392bc80 modulemanager: api:get_option(): Handle correctly option values of boolean false, don't assume value unset
Matthew Wild <mwild1@gmail.com>
parents: 1994
diff changeset
403 if value == nil then
464a5392bc80 modulemanager: api:get_option(): Handle correctly option values of boolean false, don't assume value unset
Matthew Wild <mwild1@gmail.com>
parents: 1994
diff changeset
404 value = config.get(self.host, "core", name);
464a5392bc80 modulemanager: api:get_option(): Handle correctly option values of boolean false, don't assume value unset
Matthew Wild <mwild1@gmail.com>
parents: 1994
diff changeset
405 if value == nil then
464a5392bc80 modulemanager: api:get_option(): Handle correctly option values of boolean false, don't assume value unset
Matthew Wild <mwild1@gmail.com>
parents: 1994
diff changeset
406 value = default_value;
464a5392bc80 modulemanager: api:get_option(): Handle correctly option values of boolean false, don't assume value unset
Matthew Wild <mwild1@gmail.com>
parents: 1994
diff changeset
407 end
464a5392bc80 modulemanager: api:get_option(): Handle correctly option values of boolean false, don't assume value unset
Matthew Wild <mwild1@gmail.com>
parents: 1994
diff changeset
408 end
464a5392bc80 modulemanager: api:get_option(): Handle correctly option values of boolean false, don't assume value unset
Matthew Wild <mwild1@gmail.com>
parents: 1994
diff changeset
409 return value;
1586
5c627d5d5e37 modulemanager: Added get_option(name, default_value) to plugin API
Waqas Hussain <waqas20@gmail.com>
parents: 1523
diff changeset
410 end
5c627d5d5e37 modulemanager: Added get_option(name, default_value) to plugin API
Waqas Hussain <waqas20@gmail.com>
parents: 1523
diff changeset
411
1694
0b7888c0995d Added: functions add_item and remove_item to add and remove items to the module API
Waqas Hussain <waqas20@gmail.com>
parents: 1586
diff changeset
412 local t_remove = _G.table.remove;
0b7888c0995d Added: functions add_item and remove_item to add and remove items to the module API
Waqas Hussain <waqas20@gmail.com>
parents: 1586
diff changeset
413 local module_items = multitable_new();
0b7888c0995d Added: functions add_item and remove_item to add and remove items to the module API
Waqas Hussain <waqas20@gmail.com>
parents: 1586
diff changeset
414 function api:add_item(key, value)
0b7888c0995d Added: functions add_item and remove_item to add and remove items to the module API
Waqas Hussain <waqas20@gmail.com>
parents: 1586
diff changeset
415 self.items = self.items or {};
0b7888c0995d Added: functions add_item and remove_item to add and remove items to the module API
Waqas Hussain <waqas20@gmail.com>
parents: 1586
diff changeset
416 self.items[key] = self.items[key] or {};
0b7888c0995d Added: functions add_item and remove_item to add and remove items to the module API
Waqas Hussain <waqas20@gmail.com>
parents: 1586
diff changeset
417 t_insert(self.items[key], value);
0b7888c0995d Added: functions add_item and remove_item to add and remove items to the module API
Waqas Hussain <waqas20@gmail.com>
parents: 1586
diff changeset
418 self:fire_event("item-added/"..key, {source = self, item = value});
0b7888c0995d Added: functions add_item and remove_item to add and remove items to the module API
Waqas Hussain <waqas20@gmail.com>
parents: 1586
diff changeset
419 end
0b7888c0995d Added: functions add_item and remove_item to add and remove items to the module API
Waqas Hussain <waqas20@gmail.com>
parents: 1586
diff changeset
420 function api:remove_item(key, value)
0b7888c0995d Added: functions add_item and remove_item to add and remove items to the module API
Waqas Hussain <waqas20@gmail.com>
parents: 1586
diff changeset
421 local t = self.items and self.items[key] or NULL;
0b7888c0995d Added: functions add_item and remove_item to add and remove items to the module API
Waqas Hussain <waqas20@gmail.com>
parents: 1586
diff changeset
422 for i = #t,1,-1 do
0b7888c0995d Added: functions add_item and remove_item to add and remove items to the module API
Waqas Hussain <waqas20@gmail.com>
parents: 1586
diff changeset
423 if t[i] == value then
0b7888c0995d Added: functions add_item and remove_item to add and remove items to the module API
Waqas Hussain <waqas20@gmail.com>
parents: 1586
diff changeset
424 t_remove(self.items[key], i);
0b7888c0995d Added: functions add_item and remove_item to add and remove items to the module API
Waqas Hussain <waqas20@gmail.com>
parents: 1586
diff changeset
425 self:fire_event("item-removed/"..key, {source = self, item = value});
0b7888c0995d Added: functions add_item and remove_item to add and remove items to the module API
Waqas Hussain <waqas20@gmail.com>
parents: 1586
diff changeset
426 return value;
0b7888c0995d Added: functions add_item and remove_item to add and remove items to the module API
Waqas Hussain <waqas20@gmail.com>
parents: 1586
diff changeset
427 end
0b7888c0995d Added: functions add_item and remove_item to add and remove items to the module API
Waqas Hussain <waqas20@gmail.com>
parents: 1586
diff changeset
428 end
0b7888c0995d Added: functions add_item and remove_item to add and remove items to the module API
Waqas Hussain <waqas20@gmail.com>
parents: 1586
diff changeset
429 end
0b7888c0995d Added: functions add_item and remove_item to add and remove items to the module API
Waqas Hussain <waqas20@gmail.com>
parents: 1586
diff changeset
430
1698
af89f646200f modulemanager: Added module API function to get all items for a given host based on a key
Waqas Hussain <waqas20@gmail.com>
parents: 1697
diff changeset
431 function api:get_host_items(key)
af89f646200f modulemanager: Added module API function to get all items for a given host based on a key
Waqas Hussain <waqas20@gmail.com>
parents: 1697
diff changeset
432 local result = {};
af89f646200f modulemanager: Added module API function to get all items for a given host based on a key
Waqas Hussain <waqas20@gmail.com>
parents: 1697
diff changeset
433 for mod_name, module in pairs(modulemap[self.host]) do
af89f646200f modulemanager: Added module API function to get all items for a given host based on a key
Waqas Hussain <waqas20@gmail.com>
parents: 1697
diff changeset
434 module = module.module;
af89f646200f modulemanager: Added module API function to get all items for a given host based on a key
Waqas Hussain <waqas20@gmail.com>
parents: 1697
diff changeset
435 if module.items then
af89f646200f modulemanager: Added module API function to get all items for a given host based on a key
Waqas Hussain <waqas20@gmail.com>
parents: 1697
diff changeset
436 for _, item in ipairs(module.items[key] or NULL) do
af89f646200f modulemanager: Added module API function to get all items for a given host based on a key
Waqas Hussain <waqas20@gmail.com>
parents: 1697
diff changeset
437 t_insert(result, item);
af89f646200f modulemanager: Added module API function to get all items for a given host based on a key
Waqas Hussain <waqas20@gmail.com>
parents: 1697
diff changeset
438 end
af89f646200f modulemanager: Added module API function to get all items for a given host based on a key
Waqas Hussain <waqas20@gmail.com>
parents: 1697
diff changeset
439 end
af89f646200f modulemanager: Added module API function to get all items for a given host based on a key
Waqas Hussain <waqas20@gmail.com>
parents: 1697
diff changeset
440 end
1946
0eb3835ef9bf modulemanager: Changed api:get_host_items to include items from the global host in its result.
Waqas Hussain <waqas20@gmail.com>
parents: 1933
diff changeset
441 for mod_name, module in pairs(modulemap["*"]) do
0eb3835ef9bf modulemanager: Changed api:get_host_items to include items from the global host in its result.
Waqas Hussain <waqas20@gmail.com>
parents: 1933
diff changeset
442 module = module.module;
0eb3835ef9bf modulemanager: Changed api:get_host_items to include items from the global host in its result.
Waqas Hussain <waqas20@gmail.com>
parents: 1933
diff changeset
443 if module.items then
0eb3835ef9bf modulemanager: Changed api:get_host_items to include items from the global host in its result.
Waqas Hussain <waqas20@gmail.com>
parents: 1933
diff changeset
444 for _, item in ipairs(module.items[key] or NULL) do
0eb3835ef9bf modulemanager: Changed api:get_host_items to include items from the global host in its result.
Waqas Hussain <waqas20@gmail.com>
parents: 1933
diff changeset
445 t_insert(result, item);
0eb3835ef9bf modulemanager: Changed api:get_host_items to include items from the global host in its result.
Waqas Hussain <waqas20@gmail.com>
parents: 1933
diff changeset
446 end
0eb3835ef9bf modulemanager: Changed api:get_host_items to include items from the global host in its result.
Waqas Hussain <waqas20@gmail.com>
parents: 1933
diff changeset
447 end
0eb3835ef9bf modulemanager: Changed api:get_host_items to include items from the global host in its result.
Waqas Hussain <waqas20@gmail.com>
parents: 1933
diff changeset
448 end
1698
af89f646200f modulemanager: Added module API function to get all items for a given host based on a key
Waqas Hussain <waqas20@gmail.com>
parents: 1697
diff changeset
449 return result;
af89f646200f modulemanager: Added module API function to get all items for a given host based on a key
Waqas Hussain <waqas20@gmail.com>
parents: 1697
diff changeset
450 end
af89f646200f modulemanager: Added module API function to get all items for a given host based on a key
Waqas Hussain <waqas20@gmail.com>
parents: 1697
diff changeset
451
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
452 --------------------------------------------------------------------
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
453
698
d8a678e40a0a Add core.actions for managing server 'actions'; and make modulemanager register actions 'load' and 'unload'
Matthew Wild <mwild1@gmail.com>
parents: 695
diff changeset
454 local actions = {};
d8a678e40a0a Add core.actions for managing server 'actions'; and make modulemanager register actions 'load' and 'unload'
Matthew Wild <mwild1@gmail.com>
parents: 695
diff changeset
455
d8a678e40a0a Add core.actions for managing server 'actions'; and make modulemanager register actions 'load' and 'unload'
Matthew Wild <mwild1@gmail.com>
parents: 695
diff changeset
456 function actions.load(params)
d8a678e40a0a Add core.actions for managing server 'actions'; and make modulemanager register actions 'load' and 'unload'
Matthew Wild <mwild1@gmail.com>
parents: 695
diff changeset
457 --return true, "Module loaded ("..params.module.." on "..params.host..")";
d8a678e40a0a Add core.actions for managing server 'actions'; and make modulemanager register actions 'load' and 'unload'
Matthew Wild <mwild1@gmail.com>
parents: 695
diff changeset
458 return load(params.host, params.module);
d8a678e40a0a Add core.actions for managing server 'actions'; and make modulemanager register actions 'load' and 'unload'
Matthew Wild <mwild1@gmail.com>
parents: 695
diff changeset
459 end
d8a678e40a0a Add core.actions for managing server 'actions'; and make modulemanager register actions 'load' and 'unload'
Matthew Wild <mwild1@gmail.com>
parents: 695
diff changeset
460
d8a678e40a0a Add core.actions for managing server 'actions'; and make modulemanager register actions 'load' and 'unload'
Matthew Wild <mwild1@gmail.com>
parents: 695
diff changeset
461 function actions.unload(params)
d8a678e40a0a Add core.actions for managing server 'actions'; and make modulemanager register actions 'load' and 'unload'
Matthew Wild <mwild1@gmail.com>
parents: 695
diff changeset
462 return unload(params.host, params.module);
d8a678e40a0a Add core.actions for managing server 'actions'; and make modulemanager register actions 'load' and 'unload'
Matthew Wild <mwild1@gmail.com>
parents: 695
diff changeset
463 end
d8a678e40a0a Add core.actions for managing server 'actions'; and make modulemanager register actions 'load' and 'unload'
Matthew Wild <mwild1@gmail.com>
parents: 695
diff changeset
464
d8a678e40a0a Add core.actions for managing server 'actions'; and make modulemanager register actions 'load' and 'unload'
Matthew Wild <mwild1@gmail.com>
parents: 695
diff changeset
465 register_actions("/modules", actions);
d8a678e40a0a Add core.actions for managing server 'actions'; and make modulemanager register actions 'load' and 'unload'
Matthew Wild <mwild1@gmail.com>
parents: 695
diff changeset
466
39
89877d61ac51 Add support for arbitrary events and event hooks
Matthew Wild <mwild1@gmail.com>
parents: 38
diff changeset
467 return _M;