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-- Prosody IM
-- Copyright (C) 2008-2010 Matthew Wild
-- Copyright (C) 2008-2010 Waqas Hussain
--
-- This project is MIT/X11 licensed. Please see the
-- COPYING file in the source package for more information.
--
local configmanager = require "core.configmanager";
local modulemanager = require "core.modulemanager";
local events_new = require "util.events".new;
local disco_items = require "util.multitable".new();
local NULL = {};
local log = require "util.logger".init("hostmanager");
local hosts = prosody.hosts;
local prosody_events = prosody.events;
if not _G.prosody.incoming_s2s then
require "core.s2smanager";
end
local incoming_s2s = _G.prosody.incoming_s2s;
local core_route_stanza = _G.prosody.core_route_stanza;
local pairs, rawget = pairs, rawget;
local tostring, type = tostring, type;
local setmetatable = setmetatable;
local _ENV = nil;
-- luacheck: std none
local host_mt = { }
function host_mt:__tostring()
if self.type == "component" then
local typ = configmanager.get(self.host, "component_module");
if typ == "component" then
return ("Component %q"):format(self.host);
end
return ("Component %q %q"):format(self.host, typ);
elseif self.type == "local" then
return ("VirtualHost %q"):format(self.host);
end
end
local hosts_loaded_once;
local activate, deactivate;
local function load_enabled_hosts(config)
local defined_hosts = config or configmanager.getconfig();
local activated_any_host;
for host, host_config in pairs(defined_hosts) do
if host ~= "*" and host_config.enabled ~= false then
if not host_config.component_module then
activated_any_host = true;
end
activate(host, host_config);
end
end
if not activated_any_host then
log("error", "No active VirtualHost entries in the config file. This may cause unexpected behaviour as no modules will be loaded.");
end
prosody_events.fire_event("hosts-activated", defined_hosts);
hosts_loaded_once = true;
end
prosody_events.add_handler("server-starting", load_enabled_hosts);
local function host_send(stanza)
core_route_stanza(nil, stanza);
end
function activate(host, host_config)
if rawget(hosts, host) then return nil, "The host "..host.." is already activated"; end
host_config = host_config or configmanager.getconfig()[host];
if not host_config then return nil, "Couldn't find the host "..tostring(host).." defined in the current config"; end
local host_session = {
host = host;
s2sout = {};
events = events_new();
send = host_send;
modules = {};
};
setmetatable(host_session, host_mt);
if not host_config.component_module then -- host
host_session.type = "local";
host_session.sessions = {};
else -- component
host_session.type = "component";
end
hosts[host] = host_session;
if not host_config.disco_hidden and not host:match("[@/]") then
disco_items:set(host:match("%.(.*)") or "*", host, host_config.name or true);
end
for option_name in pairs(host_config) do
if option_name:match("_ports$") or option_name:match("_interface$") then
log("warn", "%s: Option '%s' has no effect for virtual hosts - put it in the server-wide section instead", host, option_name);
end
end
log((hosts_loaded_once and "info") or "debug", "Activated host: %s", host);
prosody_events.fire_event("host-activated", host);
return true;
end
function deactivate(host, reason)
local host_session = hosts[host];
if not host_session then return nil, "The host "..tostring(host).." is not activated"; end
log("info", "Deactivating host: %s", host);
prosody_events.fire_event("host-deactivating", { host = host, host_session = host_session, reason = reason });
if type(reason) ~= "table" then
reason = { condition = "host-gone", text = tostring(reason or "This server has stopped serving "..host) };
end
-- Disconnect local users, s2s connections
-- TODO: These should move to mod_c2s and mod_s2s (how do they know they're being unloaded and not reloaded?)
if host_session.sessions then
for username, user in pairs(host_session.sessions) do
for resource, session in pairs(user.sessions) do
log("debug", "Closing connection for %s@%s/%s", username, host, resource);
session:close(reason);
end
end
end
if host_session.s2sout then
for remotehost, session in pairs(host_session.s2sout) do
if session.close then
log("debug", "Closing outgoing connection to %s", remotehost);
if session.srv_hosts then session.srv_hosts = nil; end
session:close(reason);
end
end
end
for remote_session in pairs(incoming_s2s) do
if remote_session.to_host == host then
log("debug", "Closing incoming connection from %s", remote_session.from_host or "<unknown>");
remote_session:close(reason);
end
end
-- TODO: This should be done in modulemanager
if host_session.modules then
for module in pairs(host_session.modules) do
modulemanager.unload(host, module);
end
end
hosts[host] = nil;
if not host:match("[@/]") then
disco_items:remove(host:match("%.(.*)") or "*", host);
end
prosody_events.fire_event("host-deactivated", host);
log("info", "Deactivated host: %s", host);
return true;
end
local function get_children(host)
return disco_items:get(host) or NULL;
end
return {
activate = activate;
deactivate = deactivate;
get_children = get_children;
}
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