core/modulemanager.lua
changeset 578 5879264e28e2
parent 573 f6555ebf84ec
child 579 81e68e5afce2
equal deleted inserted replaced
573:f6555ebf84ec 578:5879264e28e2
    24 local logger = require "util.logger";
    24 local logger = require "util.logger";
    25 local log = logger.init("modulemanager");
    25 local log = logger.init("modulemanager");
    26 local addDiscoInfoHandler = require "core.discomanager".addDiscoInfoHandler;
    26 local addDiscoInfoHandler = require "core.discomanager".addDiscoInfoHandler;
    27 local eventmanager = require "core.eventmanager";
    27 local eventmanager = require "core.eventmanager";
    28 local config = require "core.configmanager";
    28 local config = require "core.configmanager";
       
    29 local multitable_new = require "util.multitable".new;
    29 
    30 
    30 
    31 
    31 local loadfile, pcall = loadfile, pcall;
    32 local loadfile, pcall = loadfile, pcall;
    32 local setmetatable, setfenv, getfenv = setmetatable, setfenv, getfenv;
    33 local setmetatable, setfenv, getfenv = setmetatable, setfenv, getfenv;
    33 local pairs, ipairs = pairs, ipairs;
    34 local pairs, ipairs = pairs, ipairs;
    43 
    44 
    44 local api = {}; -- Module API container
    45 local api = {}; -- Module API container
    45 
    46 
    46 local modulemap = {};
    47 local modulemap = {};
    47 
    48 
       
    49 local m_handler_info = multitable_new();
       
    50 local m_stanza_handlers = multitable_new();
    48 local handler_info = {};
    51 local handler_info = {};
    49 local stanza_handlers = {};
    52 local stanza_handlers = {};
    50 
    53 
    51 local modulehelpers = setmetatable({}, { __index = _G });
    54 local modulehelpers = setmetatable({}, { __index = _G });
    52 
    55 
   113 		end
   116 		end
   114 	end
   117 	end
   115 	
   118 	
   116 end
   119 end
   117 
   120 
   118 function handle_stanza(host, origin, stanza)
   121 function _handle_stanza(host, origin, stanza)
   119 	local name, xmlns, origin_type = stanza.name, stanza.attr.xmlns, origin.type;
   122 	local name, xmlns, origin_type = stanza.name, stanza.attr.xmlns, origin.type;
   120 	
   123 	
   121 	local handlers = stanza_handlers[host];
   124 	local handlers = stanza_handlers[host];
   122 	if not handlers then
   125 	if not handlers then
   123 		log("warn", "No handlers for %s", host);
   126 		log("warn", "No handlers for %s", host);
   146 		end
   149 		end
   147 	end
   150 	end
   148 	log("debug", "Stanza unhandled by any modules, xmlns: %s", stanza.attr.xmlns);
   151 	log("debug", "Stanza unhandled by any modules, xmlns: %s", stanza.attr.xmlns);
   149 	return false; -- we didn't handle it
   152 	return false; -- we didn't handle it
   150 end
   153 end
       
   154 function handle_stanza(host, origin, stanza)
       
   155 	local name, xmlns, origin_type = stanza.name, stanza.attr.xmlns, origin.type;
       
   156 	if name == "iq" and xmlns == "jabber:client" then
       
   157 		xmlns = stanza.tags[1].attr.xmlns;
       
   158 		log("debug", "Stanza of type %s from %s has xmlns: %s", name, origin_type, xmlns);
       
   159 	end
       
   160 	local handlers = m_stanza_handlers:get(host, origin_type, name, xmlns);
       
   161 	if handlers then
       
   162 		log("debug", "Passing stanza to mod_%s", handler_info[handlers[1]].name);
       
   163 		(handlers[1])(origin, stanza);
       
   164 		return true;
       
   165 	else
       
   166 		log("debug", "Stanza unhandled by any modules, xmlns: %s", stanza.attr.xmlns); -- we didn't handle it
       
   167 	end
       
   168 end
   151 
   169 
   152 ----- API functions exposed to modules -----------
   170 ----- API functions exposed to modules -----------
   153 -- Must all be in api.* 
   171 -- Must all be in api.* 
   154 
   172 
   155 -- Returns the name of the current module
   173 -- Returns the name of the current module
   161 function api:get_host()
   179 function api:get_host()
   162 	return self.host;
   180 	return self.host;
   163 end
   181 end
   164 
   182 
   165 
   183 
   166 local function _add_iq_handler(module, origin_type, xmlns, handler)
   184 local function __add_iq_handler(module, origin_type, xmlns, handler)
   167 	local handlers = stanza_handlers[module.host];
   185 	local handlers = stanza_handlers[module.host];
   168 	handlers[origin_type] = handlers[origin_type] or {};
   186 	handlers[origin_type] = handlers[origin_type] or {};
   169 	handlers[origin_type].iq = handlers[origin_type].iq or {};
   187 	handlers[origin_type].iq = handlers[origin_type].iq or {};
   170 	if not handlers[origin_type].iq[xmlns] then
   188 	if not handlers[origin_type].iq[xmlns] then
   171 		handlers[origin_type].iq[xmlns]= handler;
   189 		handlers[origin_type].iq[xmlns]= handler;
   173 		module:log("debug", "I now handle tag 'iq' [%s] with payload namespace '%s'", origin_type, xmlns);
   191 		module:log("debug", "I now handle tag 'iq' [%s] with payload namespace '%s'", origin_type, xmlns);
   174 	else
   192 	else
   175 		module:log("warn", "I wanted to handle tag 'iq' [%s] with payload namespace '%s' but mod_%s already handles that", origin_type, xmlns, handler_info[handlers[origin_type].iq[xmlns]].name);
   193 		module:log("warn", "I wanted to handle tag 'iq' [%s] with payload namespace '%s' but mod_%s already handles that", origin_type, xmlns, handler_info[handlers[origin_type].iq[xmlns]].name);
   176 	end
   194 	end
   177 end
   195 end
       
   196 local function _add_iq_handler(module, origin_type, xmlns, handler)
       
   197 	local handlers = m_stanza_handlers:get(module.host, origin_type, "iq", xmlns);
       
   198 	if not handlers then
       
   199 		m_stanza_handlers:add(module.host, origin_type, "iq", xmlns, handler);
       
   200 		handler_info[handler] = module;
       
   201 		module:log("debug", "I now handle tag 'iq' [%s] with payload namespace '%s'", origin_type, xmlns);
       
   202 	else
       
   203 		module:log("warn", "I wanted to handle tag 'iq' [%s] with payload namespace '%s' but mod_%s already handles that", origin_type, xmlns, handler_info[handlers[1]].name);
       
   204 	end
       
   205 end
   178 
   206 
   179 function api:add_iq_handler(origin_type, xmlns, handler)
   207 function api:add_iq_handler(origin_type, xmlns, handler)
   180 	if not (origin_type and handler and xmlns) then return false; end
   208 	if not (origin_type and handler and xmlns) then return false; end
   181 	if type(origin_type) == "table" then
   209 	if type(origin_type) == "table" then
   182 		for _, origin_type in ipairs(origin_type) do
   210 		for _, origin_type in ipairs(origin_type) do
   196 	end);
   224 	end);
   197 end
   225 end
   198 
   226 
   199 api.add_event_hook = eventmanager.add_event_hook;
   227 api.add_event_hook = eventmanager.add_event_hook;
   200 
   228 
   201 local function _add_handler(module, origin_type, tag, xmlns, handler)
   229 local function __add_handler(module, origin_type, tag, xmlns, handler)
   202 	local handlers = stanza_handlers[module.host];
   230 	local handlers = stanza_handlers[module.host];
   203 	handlers[origin_type] = handlers[origin_type] or {};
   231 	handlers[origin_type] = handlers[origin_type] or {};
   204 	if not handlers[origin_type][tag] then
   232 	if not handlers[origin_type][tag] then
   205 		handlers[origin_type][tag] = handlers[origin_type][tag] or {};
   233 		handlers[origin_type][tag] = handlers[origin_type][tag] or {};
   206 		handlers[origin_type][tag][xmlns]= handler;
   234 		handlers[origin_type][tag][xmlns]= handler;
   208 		module:log("debug", "I now handle tag '%s' [%s] with xmlns '%s'", tag, origin_type, xmlns);
   236 		module:log("debug", "I now handle tag '%s' [%s] with xmlns '%s'", tag, origin_type, xmlns);
   209 	elseif handler_info[handlers[origin_type][tag]] then
   237 	elseif handler_info[handlers[origin_type][tag]] then
   210 		log("warning", "I wanted to handle tag '%s' [%s] but mod_%s already handles that", tag, origin_type, handler_info[handlers[origin_type][tag]].module.name);
   238 		log("warning", "I wanted to handle tag '%s' [%s] but mod_%s already handles that", tag, origin_type, handler_info[handlers[origin_type][tag]].module.name);
   211 	end
   239 	end
   212 end
   240 end
       
   241 local function _add_handler(module, origin_type, tag, xmlns, handler)
       
   242 	local handlers = m_stanza_handlers:get(module.host, origin_type, tag, xmlns);
       
   243 	if not handlers then
       
   244 		m_stanza_handlers:add(module.host, origin_type, tag, xmlns, handler);
       
   245 		handler_info[handler] = module;
       
   246 		module:log("debug", "I now handle tag '%s' [%s] with xmlns '%s'", tag, origin_type, xmlns);
       
   247 	else
       
   248 		module:log("warning", "I wanted to handle tag '%s' [%s] but mod_%s already handles that", tag, origin_type, handler_info[handlers[1]].module.name);
       
   249 	end
       
   250 end
   213 
   251 
   214 function api:add_handler(origin_type, tag, xmlns, handler)
   252 function api:add_handler(origin_type, tag, xmlns, handler)
   215 	if not (origin_type and tag and xmlns and handler) then return false; end
   253 	if not (origin_type and tag and xmlns and handler) then return false; end
   216 	if type(origin_type) == "table" then
   254 	if type(origin_type) == "table" then
   217 		for _, origin_type in ipairs(origin_type) do
   255 		for _, origin_type in ipairs(origin_type) do