X-Git-Url: https://git.enpas.org/?a=blobdiff_plain;f=core%2Fmoduleapi.lua;h=21b2216ca2f3452c805a7b4cabe122d1910080b2;hb=43dca33e713eb74f819d59d514526b845fe6029d;hp=96f1d3ea2a9a9744430ec219b5c147d19d77caf1;hpb=73750f46ca6f829f85f7d7274ed24f96fc83182b;p=prosody.git

diff --git a/core/moduleapi.lua b/core/moduleapi.lua
index 96f1d3ea..21b2216c 100644
--- a/core/moduleapi.lua
+++ b/core/moduleapi.lua
@@ -1,29 +1,35 @@
 -- Prosody IM
 -- Copyright (C) 2008-2012 Matthew Wild
 -- Copyright (C) 2008-2012 Waqas Hussain
--- 
+--
 -- This project is MIT/X11 licensed. Please see the
 -- COPYING file in the source package for more information.
 --
 
 local config = require "core.configmanager";
-local modulemanager = require "modulemanager";
 local array = require "util.array";
 local set = require "util.set";
+local it = require "util.iterators";
 local logger = require "util.logger";
 local pluginloader = require "util.pluginloader";
 local timer = require "util.timer";
-
-local multitable_new = require "util.multitable".new;
+local resolve_relative_path = require"util.paths".resolve_relative_path;
+local measure = require "core.statsmanager".measure;
+local st = require "util.stanza";
 
 local t_insert, t_remove, t_concat = table.insert, table.remove, table.concat;
-local error, setmetatable, setfenv, type = error, setmetatable, setfenv, type;
-local ipairs, pairs, select, unpack = ipairs, pairs, select, unpack;
+local error, setmetatable, type = error, setmetatable, type;
+local ipairs, pairs, select = ipairs, pairs, select;
+local unpack = table.unpack or unpack; --luacheck: ignore 113
 local tonumber, tostring = tonumber, tostring;
+local require = require;
 
 local prosody = prosody;
 local hosts = prosody.hosts;
-local core_post_stanza = prosody.core_post_stanza;
+
+-- FIXME: This assert() is to try and catch an obscure bug (2013-04-05)
+local core_post_stanza = assert(prosody.core_post_stanza,
+	"prosody.core_post_stanza is nil, please report this as a bug");
 
 -- Registry of shared module data
 local shared_data = setmetatable({}, { __mode = "v" });
@@ -43,14 +49,14 @@ function api:get_host()
 end
 
 function api:get_host_type()
-	return self.host ~= "*" and hosts[self.host].type or nil;
+	return (self.host == "*" and "global") or hosts[self.host].type or "local";
 end
 
 function api:set_global()
 	self.host = "*";
 	-- Update the logger
 	local _log = logger.init("mod_"..self.name);
-	self.log = function (self, ...) return _log(...); end;
+	self.log = function (self, ...) return _log(...); end; --luacheck: ignore self
 	self._log = _log;
 	self.global = true;
 end
@@ -58,28 +64,38 @@ end
 function api:add_feature(xmlns)
 	self:add_item("feature", xmlns);
 end
-function api:add_identity(category, type, name)
-	self:add_item("identity", {category = category, type = type, name = name});
+function api:add_identity(category, identity_type, name)
+	self:add_item("identity", {category = category, type = identity_type, name = name});
 end
 function api:add_extension(data)
 	self:add_item("extension", data);
 end
+function api:has_feature(xmlns)
+	for _, feature in ipairs(self:get_host_items("feature")) do
+		if feature == xmlns then return true; end
+	end
+	return false;
+end
+function api:has_identity(category, identity_type, name)
+	for _, id in ipairs(self:get_host_items("identity")) do
+		if id.category == category and id.type == identity_type and id.name == name then
+			return true;
+		end
+	end
+	return false;
+end
 
 function api:fire_event(...)
 	return (hosts[self.host] or prosody).events.fire_event(...);
 end
 
 function api:hook_object_event(object, event, handler, priority)
-	local handlers = self.event_handlers[event];
-	if not handlers then
-		handlers = {};
-		self.event_handlers[event] = handlers;
-	end
-	handlers[event] = { handler = handler, priority = priority, object = object };
+	self.event_handlers:set(object, event, handler, true);
 	return object.add_handler(event, handler, priority);
 end
 
 function api:unhook_object_event(object, event, handler)
+	self.event_handlers:set(object, event, handler, nil);
 	return object.remove_handler(event, handler);
 end
 
@@ -103,17 +119,30 @@ function api:hook_tag(xmlns, name, handler, priority)
 end
 api.hook_stanza = api.hook_tag; -- COMPAT w/pre-0.9
 
+function api:unhook(event, handler)
+	return self:unhook_object_event((hosts[self.host] or prosody).events, event, handler);
+end
+
+function api:wrap_object_event(events_object, event, handler)
+	return self:hook_object_event(assert(events_object.wrappers, "no wrappers"), event, handler);
+end
+
+function api:wrap_event(event, handler)
+	return self:wrap_object_event((hosts[self.host] or prosody).events, event, handler);
+end
+
+function api:wrap_global(event, handler)
+	return self:hook_object_event(prosody.events, event, handler);
+end
+
 function api:require(lib)
-	local f, n = pluginloader.load_code(self.name, lib..".lib.lua");
-	if not f then
-		f, n = pluginloader.load_code(lib, lib..".lib.lua");
-	end
+	local f, n = pluginloader.load_code_ext(self.name, lib, "lib.lua", self.environment);
 	if not f then error("Failed to load plugin library '"..lib.."', error: "..n); end -- FIXME better error message
-	setfenv(f, self.environment);
 	return f();
 end
 
 function api:depends(name)
+	local modulemanager = require"core.modulemanager";
 	if not self.dependencies then
 		self.dependencies = {};
 		self:hook("module-reloaded", function (event)
@@ -133,7 +162,7 @@ function api:depends(name)
 	local mod = modulemanager.get_module(self.host, name) or modulemanager.get_module("*", name);
 	if mod and mod.module.host == "*" and self.host ~= "*"
 	and modulemanager.module_has_method(mod, "add_host") then
-		mod = nil; -- This is a shared module, so we still want to load it on our host
+		mod = nil; -- Target is a shared module, so we still want to load it on our host
 	end
 	if not mod then
 		local err;
@@ -163,6 +192,9 @@ function api:shared(...)
 		local shared = shared_data[path];
 		if not shared then
 			shared = {};
+			if path:match("%-cache$") then
+				setmetatable(shared, { __mode = "kv" });
+			end
 			shared_data[path] = shared;
 		end
 		t_insert(data_array, shared);
@@ -172,12 +204,9 @@ function api:shared(...)
 end
 
 function api:get_option(name, default_value)
-	local value = config.get(self.host, self.name, name);
+	local value = config.get(self.host, name);
 	if value == nil then
-		value = config.get(self.host, "core", name);
-		if value == nil then
-			value = default_value;
-		end
+		value = default_value;
 	end
 	return value;
 end
@@ -243,24 +272,54 @@ function api:get_option_array(name, ...)
 	if value == nil then
 		return nil;
 	end
-	
+
 	if type(value) ~= "table" then
 		return array{ value }; -- Assume any non-list is a single-item list
 	end
-	
+
 	return array():append(value); -- Clone
 end
 
 function api:get_option_set(name, ...)
 	local value = self:get_option_array(name, ...);
-	
+
 	if value == nil then
 		return nil;
 	end
-	
+
 	return set.new(value);
 end
 
+function api:get_option_inherited_set(name, ...)
+	local value = self:get_option_set(name, ...);
+	local global_value = self:context("*"):get_option_set(name, ...);
+	if not value then
+		return global_value;
+	elseif not global_value then
+		return value;
+	end
+	value:include(global_value);
+	return value;
+end
+
+function api:get_option_path(name, default, parent)
+	if parent == nil then
+		parent = parent or self:get_directory();
+	elseif prosody.paths[parent] then
+		parent = prosody.paths[parent];
+	end
+	local value = self:get_option_string(name, default);
+	if value == nil then
+		return nil;
+	end
+	return resolve_relative_path(parent, value);
+end
+
+
+function api:context(host)
+	return setmetatable({host=host or "*"}, {__index=self,__newindex=self});
+end
+
 function api:add_item(key, value)
 	self.items = self.items or {};
 	self.items[key] = self.items[key] or {};
@@ -279,38 +338,29 @@ function api:remove_item(key, value)
 end
 
 function api:get_host_items(key)
-	local result = {};
-	for mod_name, module in pairs(modulemanager.get_modules(self.host)) do
-		module = module.module;
-		if module.items then
-			for _, item in ipairs(module.items[key] or NULL) do
-				t_insert(result, item);
-			end
-		end
-	end
-	for mod_name, module in pairs(modulemanager.get_modules("*")) do
-		module = module.module;
-		if module.items then
-			for _, item in ipairs(module.items[key] or NULL) do
-				t_insert(result, item);
-			end
-		end
-	end
+	local modulemanager = require"core.modulemanager";
+	local result = modulemanager.get_items(key, self.host) or {};
 	return result;
 end
 
-function api:handle_items(type, added_cb, removed_cb, existing)
-	self:hook("item-added/"..type, added_cb);
-	self:hook("item-removed/"..type, removed_cb);
+function api:handle_items(item_type, added_cb, removed_cb, existing)
+	self:hook("item-added/"..item_type, added_cb);
+	self:hook("item-removed/"..item_type, removed_cb);
 	if existing ~= false then
-		for _, item in ipairs(self:get_host_items(type)) do
+		for _, item in ipairs(self:get_host_items(item_type)) do
 			added_cb({ item = item });
 		end
 	end
 end
 
 function api:provides(name, item)
-	if not item then item = self.environment; end
+	-- if not item then item = setmetatable({}, { __index = function(t,k) return rawget(self.environment, k); end }); end
+	if not item then
+		item = {}
+		for k,v in pairs(self.environment) do
+			if k ~= "module" then item[k] = v; end
+		end
+	end
 	if not item.name then
 		local item_name = self.name;
 		-- Strip a provider prefix to find the item name
@@ -320,11 +370,20 @@ function api:provides(name, item)
 		end
 		item.name = item_name;
 	end
+	item._provided_by = self.name;
 	self:add_item(name.."-provider", item);
 end
 
-function api:send(stanza)
-	return core_post_stanza(hosts[self.host], stanza);
+function api:send(stanza, origin)
+	return core_post_stanza(origin or hosts[self.host], stanza);
+end
+
+function api:broadcast(jids, stanza, iter)
+	for jid in (iter or it.values)(jids) do
+		local new_stanza = st.clone(stanza);
+		new_stanza.attr.to = jid;
+		core_post_stanza(hosts[self.host], new_stanza);
+	end
 end
 
 function api:add_timer(delay, callback)
@@ -340,8 +399,35 @@ function api:get_directory()
 end
 
 function api:load_resource(path, mode)
-	path = config.resolve_relative_path(self:get_directory(), path);
+	path = resolve_relative_path(self:get_directory(), path);
 	return io.open(path, mode);
 end
 
+function api:open_store(name, store_type)
+	return require"core.storagemanager".open(self.host, name or self.name, store_type);
+end
+
+function api:measure(name, stat_type)
+	return measure(stat_type, "/"..self.host.."/mod_"..self.name.."/"..name);
+end
+
+function api:measure_object_event(events_object, event_name, stat_name)
+	local m = self:measure(stat_name or event_name, "duration");
+	local function handler(handlers, _event_name, _event_data)
+		local finished = m();
+		local ret = handlers(_event_name, _event_data);
+		finished();
+		return ret;
+	end
+	return self:hook_object_event(events_object, event_name, handler);
+end
+
+function api:measure_event(event_name, stat_name)
+	return self:measure_object_event((hosts[self.host] or prosody).events.wrappers, event_name, stat_name);
+end
+
+function api:measure_global_event(event_name, stat_name)
+	return self:measure_object_event(prosody.events.wrappers, event_name, stat_name);
+end
+
 return api;