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-- Prosody IM v0.2
-- Copyright (C) 2008 Matthew Wild
-- Copyright (C) 2008 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 = {};
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 = true, s2sout = {} };
modulemanager.load(host, "dialback");
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
local ok, component_handler = modulemanager.call_module_method(modulemanager.get_module(host, host_config.core.component_module), "load_component");
if not ok then
log("error", "Error loading %s component %s: %s", tostring(host_config.core.component_module), tostring(host), tostring(component_handler));
else
components[host] = component_handler;
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 register_component(host, component)
if not hosts[host] then
-- TODO check for host well-formedness
components[host] = component;
hosts[host] = { type = "component", host = host, connected = true, s2sout = {} };
-- 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 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;
log("debug", "component removed: "..host);
return true;
else
log("error", "Attempt to remove component for non-existing host: "..host);
end
end
return _M;
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