Sun, 22 Nov 2009 04:42:47 +0000
net.adns: Update for new net.server API (doesn't work with libevent yet)
-- Prosody IM -- 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 prosody = _G.prosody; local log = require "util.logger".init("componentmanager"); local configmanager = require "core.configmanager"; local modulemanager = require "core.modulemanager"; local jid_split = require "util.jid".split; local fire_event = require "core.eventmanager".fire_event; local events_new = require "util.events".new; local st = require "util.stanza"; local hosts = hosts; local pairs, type, tostring = pairs, type, tostring; local components = {}; local disco_items = require "util.multitable".new(); local NULL = {}; module "componentmanager" local function default_component_handler(origin, stanza) log("warn", "Stanza being handled by default component; bouncing error for: %s", stanza:top_tag()); if stanza.attr.type ~= "error" and stanza.attr.type ~= "result" then origin.send(st.error_reply(stanza, "wait", "service-unavailable", "Component unavailable")); end end 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] = create_component(host); hosts[host].connected = false; components[host] = default_component_handler; 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 fire_event("component-activated", host, host_config); log("debug", "Activated %s component: %s", host_config.core.component_module, host); end end end end if prosody and prosody.events then prosody.events.add_handler("server-starting", load_enabled_components); end function handle_stanza(origin, stanza) local node, host = jid_split(stanza.attr.to); local component = nil; if host then if node then component = components[node.."@"..host]; end -- hack to allow hooking node@server if not component then component = components[host]; end end if component then log("debug", "%s stanza being handled by component: %s", stanza.name, host); component(origin, stanza, hosts[host]); else log("error", "Component manager recieved a stanza for a non-existing component: "..tostring(stanza)); default_component_handler(origin, stanza); end end function create_component(host, component, events) -- TODO check for host well-formedness local ssl_ctx; if host then -- We need to find SSL context to use... -- Discussion in prosody@ concluded that -- 1 level back is usually enough by default local base_host = host:gsub("^[^%.]+%.", ""); if hosts[base_host] then ssl_ctx = hosts[base_host].ssl_ctx; end end return { type = "component", host = host, connected = true, s2sout = {}, ssl_ctx = ssl_ctx, events = events or events_new() }; end function register_component(host, component, session) if not hosts[host] or (hosts[host].type == 'component' and not hosts[host].connected) then local old_events = hosts[host] and hosts[host].events; components[host] = component; hosts[host] = session or create_component(host, component, old_events); -- Add events object if not already one if not hosts[host].events then hosts[host].events = old_events or events_new(); end -- 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 modulemanager.load(host, "dialback"); modulemanager.load(host, "tls"); 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, "tls"); modulemanager.unload(host, "dialback"); hosts[host].connected = nil; local host_config = configmanager.getconfig()[host]; if host_config and ((host_config.core.enabled == nil or host_config.core.enabled) and type(host_config.core.component_module) == "string") then -- Set default handler components[host] = default_component_handler; else -- Component not in config, or disabled, remove hosts[host] = nil; -- FIXME do proper unload of all modules and other cleanup before removing components[host] = nil; end -- 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 function set_component_handler(host, handler) components[host] = handler; end function get_children(host) return disco_items:get(host) or NULL; end return _M;