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