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comparison core/modulemanager.lua @ 4534:7a0a31c4f6c5

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modulemanager, moduleapi: Replace hooks multitable with an event_handlers map stored in individual modules. Also adds module:hook_object_event() to hook events on any util.events compatible object.
author Matthew Wild <mwild1@gmail.com>
date Sun, 22 Jan 2012 18:49:11 +0000
parents c6480d17be1e
children d46e9ad4fe8a
comparison
equal deleted inserted replaced
4533:c6480d17be1e 4534:7a0a31c4f6c5
46 46
47 local api = _G.require "core.moduleapi"; -- Module API container 47 local api = _G.require "core.moduleapi"; -- Module API container
48 48
49 local modulemap = { ["*"] = {} }; 49 local modulemap = { ["*"] = {} };
50 50
51 local modulehelpers = setmetatable({}, { __index = _G });
52
53 local hooks = multitable_new();
54
55 local NULL = {}; 51 local NULL = {};
56 52
57 -- Load modules when a host is activated 53 -- Load modules when a host is activated
58 function load_modules_for_host(host) 54 function load_modules_for_host(host)
59 local component = config.get(host, "core", "component_module"); 55 local component = config.get(host, "core", "component_module");
98 local ok, err = call_module_method(mod, "unload"); 94 local ok, err = call_module_method(mod, "unload");
99 if (not ok) and err then 95 if (not ok) and err then
100 log("warn", "Non-fatal error unloading module '%s' on '%s': %s", name, host, err); 96 log("warn", "Non-fatal error unloading module '%s' on '%s': %s", name, host, err);
101 end 97 end
102 end 98 end
103 -- unhook event handlers hooked by module:hook 99
104 for event, handlers in pairs(hooks:get(host, name) or NULL) do 100 for handler, event in pairs(mod.module.event_handlers) do
105 for handler in pairs(handlers or NULL) do 101 event.object.remove_handler(event.name, handler);
106 (hosts[host] or prosody).events.remove_handler(event, handler); 102 end
107 end 103
108 end
109 -- unhook event handlers hooked by module:hook_global
110 for event, handlers in pairs(hooks:get("*", name) or NULL) do
111 for handler in pairs(handlers or NULL) do
112 prosody.events.remove_handler(event, handler);
113 end
114 end
115 hooks:remove(host, name);
116 if mod.module.items then -- remove items 104 if mod.module.items then -- remove items
117 for key,t in pairs(mod.module.items) do 105 for key,t in pairs(mod.module.items) do
118 for i = #t,1,-1 do 106 for i = #t,1,-1 do
119 local value = t[i]; 107 local value = t[i];
120 t[i] = nil; 108 t[i] = nil;
151 return nil, err; 139 return nil, err;
152 end 140 end
153 141
154 local _log = logger.init(host..":"..module_name); 142 local _log = logger.init(host..":"..module_name);
155 local api_instance = setmetatable({ name = module_name, host = host, path = err, 143 local api_instance = setmetatable({ name = module_name, host = host, path = err,
156 _log = _log, log = function (self, ...) return _log(...); end } 144 _log = _log, log = function (self, ...) return _log(...); end, event_handlers = {} }
157 , { __index = api }); 145 , { __index = api });
158 146
159 local pluginenv = setmetatable({ module = api_instance }, { __index = _G }); 147 local pluginenv = setmetatable({ module = api_instance }, { __index = _G });
160 api_instance.environment = pluginenv; 148 api_instance.environment = pluginenv;
161 149