Software / code / prosody
Annotate
core/modulemanager.lua @ 71:fbb4ef1da82e
Added: Local stanza routing
| author | Waqas Hussain <waqas20@gmail.com> |
|---|---|
| date | Wed, 08 Oct 2008 04:49:55 +0500 |
| parent | 65:9c471840acb9 |
| child | 86:a2085854c72c |
| rev | line source |
|---|---|
| 30 | 1 |
| 2 local log = require "util.logger".init("modulemanager") | |
| 3 | |
| 4 local loadfile, pcall = loadfile, pcall; | |
| 5 local setmetatable, setfenv, getfenv = setmetatable, setfenv, getfenv; | |
| 6 local pairs, ipairs = pairs, ipairs; | |
|
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7 local t_insert = table.insert; |
| 30 | 8 local type = type; |
| 9 | |
| 10 local tostring, print = tostring, print; | |
| 11 | |
| 12 local _G = _G; | |
| 13 | |
| 14 module "modulemanager" | |
| 15 | |
| 16 local handler_info = {}; | |
| 17 local handlers = {}; | |
| 18 | |
| 19 local modulehelpers = setmetatable({}, { __index = _G }); | |
| 20 | |
| 21 function modulehelpers.add_iq_handler(origin_type, xmlns, handler) | |
| 42 | 22 if not (origin_type and handler and xmlns) then return false; end |
| 30 | 23 handlers[origin_type] = handlers[origin_type] or {}; |
| 24 handlers[origin_type].iq = handlers[origin_type].iq or {}; | |
| 25 if not handlers[origin_type].iq[xmlns] then | |
| 26 handlers[origin_type].iq[xmlns]= handler; | |
| 27 handler_info[handler] = getfenv(2).module; | |
| 38 | 28 log("debug", "mod_%s now handles tag 'iq' with query namespace '%s'", getfenv(2).module.name, xmlns); |
| 30 | 29 else |
| 38 | 30 log("warning", "mod_%s wants to handle tag 'iq' with query namespace '%s' but mod_%s already handles that", getfenv(2).module.name, xmlns, handler_info[handlers[origin_type].iq[xmlns]].module.name); |
| 30 | 31 end |
| 32 end | |
| 33 | |
| 42 | 34 function modulehelpers.add_handler(origin_type, tag, xmlns, handler) |
| 35 if not (origin_type and tag and xmlns and handler) then return false; end | |
| 38 | 36 handlers[origin_type] = handlers[origin_type] or {}; |
| 37 if not handlers[origin_type][tag] then | |
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38 handlers[origin_type][tag] = handlers[origin_type][tag] or {}; |
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39 handlers[origin_type][tag][xmlns]= handler; |
| 38 | 40 handler_info[handler] = getfenv(2).module; |
| 41 log("debug", "mod_%s now handles tag '%s'", getfenv(2).module.name, tag); | |
| 42 elseif handler_info[handlers[origin_type][tag]] then | |
| 43 log("warning", "mod_%s wants to handle tag '%s' but mod_%s already handles that", getfenv(2).module.name, tag, handler_info[handlers[origin_type][tag]].module.name); | |
| 44 end | |
| 30 | 45 end |
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46 |
| 30 | 47 function loadall() |
| 38 | 48 load("saslauth"); |
| 30 | 49 load("legacyauth"); |
| 50 load("roster"); | |
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51 load("register"); |
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52 load("tls"); |
| 30 | 53 end |
| 54 | |
| 55 function load(name) | |
| 56 local mod, err = loadfile("plugins/mod_"..name..".lua"); | |
| 57 if not mod then | |
| 58 log("error", "Unable to load module '%s': %s", name or "nil", err or "nil"); | |
| 59 return; | |
| 60 end | |
| 61 | |
| 62 local pluginenv = setmetatable({ module = { name = name } }, { __index = modulehelpers }); | |
| 63 | |
| 64 setfenv(mod, pluginenv); | |
| 65 local success, ret = pcall(mod); | |
| 66 if not success then | |
| 67 log("error", "Error initialising module '%s': %s", name or "nil", ret or "nil"); | |
| 68 return; | |
| 69 end | |
| 70 end | |
| 71 | |
| 72 function handle_stanza(origin, stanza) | |
| 38 | 73 local name, xmlns, origin_type = stanza.name, stanza.attr.xmlns, origin.type; |
| 30 | 74 |
| 38 | 75 if name == "iq" and xmlns == "jabber:client" and handlers[origin_type] then |
| 30 | 76 log("debug", "Stanza is an <iq/>"); |
| 77 local child = stanza.tags[1]; | |
| 78 if child then | |
| 79 local xmlns = child.attr.xmlns; | |
| 80 log("debug", "Stanza has xmlns: %s", xmlns); | |
| 81 local handler = handlers[origin_type][name][xmlns]; | |
| 82 if handler then | |
| 83 log("debug", "Passing stanza to mod_%s", handler_info[handler].name); | |
| 84 return handler(origin, stanza) or true; | |
| 85 end | |
| 86 | |
| 87 end | |
| 38 | 88 elseif handlers[origin_type] then |
| 89 local handler = handlers[origin_type][name]; | |
| 90 if handler then | |
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91 handler = handler[xmlns]; |
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92 if handler then |
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93 log("debug", "Passing stanza to mod_%s", handler_info[handler].name); |
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94 return handler(origin, stanza) or true; |
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95 end |
| 38 | 96 end |
| 30 | 97 end |
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98 log("debug", "Stanza unhandled by any modules, xmlns: %s", stanza.attr.xmlns); |
| 30 | 99 return false; -- we didn't handle it |
| 100 end | |
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101 |
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102 do |
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103 local event_handlers = {}; |
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104 |
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105 function modulehelpers.add_event_hook(name, handler) |
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106 if not event_handlers[name] then |
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107 event_handlers[name] = {}; |
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108 end |
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109 t_insert(event_handlers[name] , handler); |
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110 end |
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111 |
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112 function fire_event(name, ...) |
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113 local event_handlers = event_handlers[name]; |
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114 if event_handlers then |
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115 for name, handler in ipairs(event_handlers) do |
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116 handler(...); |
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117 end |
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118 end |
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119 end |
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120 end |
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121 |
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122 return _M; |
