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core/componentmanager.lua @ 945:699f0c46526a
core.componentmanager: Fix global set, causing problems with multiple components. Fixes #82.
author | Matthew Wild <mwild1@gmail.com> |
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date | Tue, 31 Mar 2009 03:48:51 +0100 |
parent | 939:b832f786af62 |
child | 961:b48ed2149d0a |
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-- Prosody IM v0.4 -- Copyright (C) 2008-2009 Matthew Wild -- Copyright (C) 2008-2009 Waqas Hussain -- -- This project is MIT/X11 licensed. Please see the -- COPYING file in the source package for more information. -- local log = require "util.logger".init("componentmanager"); local configmanager = require "core.configmanager"; local eventmanager = require "core.eventmanager"; local modulemanager = require "core.modulemanager"; local jid_split = require "util.jid".split; local hosts = hosts; local pairs, type, tostring = pairs, type, tostring; local components = {}; local disco_items = require "util.multitable".new(); local NULL = {}; require "core.discomanager".addDiscoItemsHandler("*host", function(reply, to, from, node) if #node == 0 and hosts[to] then for jid in pairs(disco_items:get(to) or NULL) do reply:tag("item", {jid = jid}):up(); end return true; end end); module "componentmanager" function load_enabled_components(config) local defined_hosts = config or configmanager.getconfig(); for host, host_config in pairs(defined_hosts) do if host ~= "*" and ((host_config.core.enabled == nil or host_config.core.enabled) and type(host_config.core.component_module) == "string") then hosts[host] = { type = "component", host = host, connected = false, s2sout = {} }; local ok, err = modulemanager.load(host, host_config.core.component_module); if not ok then log("error", "Error loading %s component %s: %s", tostring(host_config.core.component_module), tostring(host), tostring(err)); else log("info", "Activated %s component: %s", host_config.core.component_module, host); end end end end eventmanager.add_event_hook("server-starting", load_enabled_components); function handle_stanza(origin, stanza) local node, host = jid_split(stanza.attr.to); local component = nil; if not component then component = components[stanza.attr.to]; end -- hack to allow hooking node@server/resource and server/resource if not component then component = components[node.."@"..host]; end -- hack to allow hooking node@server if not component then component = components[host]; end if component then log("debug", "stanza being handled by component: "..host); component(origin, stanza, hosts[host]); else log("error", "Component manager recieved a stanza for a non-existing component: " .. stanza.attr.to); end end function create_component(host, component) -- TODO check for host well-formedness local session = session or { type = "component", host = host, connected = true, s2sout = {}, send = component }; return session; end function register_component(host, component, session) if not hosts[host] or (hosts[host].type == 'component' and not hosts[host].connected) then components[host] = component; hosts[host] = session or create_component(host, component); -- add to disco_items if not(host:find("@", 1, true) or host:find("/", 1, true)) and host:find(".", 1, true) then disco_items:set(host:sub(host:find(".", 1, true)+1), host, true); end -- FIXME only load for a.b.c if b.c has dialback, and/or check in config modulemanager.load(host, "dialback"); log("debug", "component added: "..host); return session or hosts[host]; else log("error", "Attempt to set component for existing host: "..host); end end function deregister_component(host) if components[host] then modulemanager.unload(host, "dialback"); components[host] = nil; hosts[host] = nil; -- remove from disco_items if not(host:find("@", 1, true) or host:find("/", 1, true)) and host:find(".", 1, true) then disco_items:remove(host:sub(host:find(".", 1, true)+1), host); end log("debug", "component removed: "..host); return true; else log("error", "Attempt to remove component for non-existing host: "..host); end end return _M;