modulemanager: Allow setting priority of stanza handlers

[prosody.git] / core / componentmanager.lua

diff --git a/core/componentmanager.lua b/core/componentmanager.lua
index feae96dcb3163812fde7f827588d67cc14283593..fe4a699962c105c6dba76c66447eb478f84d3de5 100644 (file)
--- a/core/componentmanager.lua
+++ b/core/componentmanager.lua
@@ -13,7 +13,9 @@ local log = require "util.logger".init("componentmanager");
 local configmanager = require "core.configmanager";
 local eventmanager = require "core.eventmanager";
 local modulemanager = require "core.modulemanager";
+local core_route_stanza = core_route_stanza;
 local jid_split = require "util.jid".split;
+local events_new = require "util.events".new;
 local st = require "util.stanza";
 local hosts = hosts;
 
@@ -32,29 +34,30 @@ require "core.discomanager".addDiscoItemsHandler("*host", function(reply, to, fr
        end
 end);
 
+require "core.eventmanager".add_event_hook("server-starting", function () core_route_stanza = _G.core_route_stanza; end);
 
 module "componentmanager"
 
 local function default_component_handler(origin, stanza)
        log("warn", "Stanza being handled by default component, bouncing error");
        if stanza.attr.type ~= "error" then
-               origin.send(st.error_reply(stanza, "wait", "service-unavailable", "Component unavailable"));
+               core_route_stanza(nil, st.error_reply(stanza, "wait", "service-unavailable", "Component unavailable"));
        end
 end
 
-
+local components_loaded_once;
 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 = {} };
+                       hosts[host] = { type = "component", host = host, connected = false, s2sout = {}, events = events_new() };
                        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
-                               log("info", "Activated %s component: %s", host_config.core.component_module, host);
+                               log("debug", "Activated %s component: %s", host_config.core.component_module, host);
                        end
                end
        end
@@ -65,9 +68,10 @@ 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 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]);
@@ -78,14 +82,21 @@ 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;
+       return { type = "component", host = host, connected = true, s2sout = {}, events = 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);
+               
+               -- 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);
@@ -102,13 +113,15 @@ end
 function deregister_component(host)
        if components[host] then
                modulemanager.unload(host, "dialback");
-               components[host] = nil;
-               local host_config = defined_hosts[host];
-               if ((host_config.core.enabled == nil or host_config.core.enabled) and type(host_config.core.component_module) == "string") then
+               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;
+                       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