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a93a3370ef
EJAB-300 (EJAB-890). Check default privacy list when account, not a specific session, receives a presence subscription stanza (EJAB-300). * src/ejabberd_c2s.erl: Likewise SVN Revision: 1998
747 lines
23 KiB
Erlang
747 lines
23 KiB
Erlang
%%%----------------------------------------------------------------------
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%%% File : ejabberd_sm.erl
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%%% Author : Alexey Shchepin <alexey@process-one.net>
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%%% Purpose : Session manager
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%%% Created : 24 Nov 2002 by Alexey Shchepin <alexey@process-one.net>
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%%%
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%%%
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%%% ejabberd, Copyright (C) 2002-2009 ProcessOne
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%%%
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%%% This program is free software; you can redistribute it and/or
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%%% modify it under the terms of the GNU General Public License as
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%%% published by the Free Software Foundation; either version 2 of the
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%%% License, or (at your option) any later version.
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%%%
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%%% This program is distributed in the hope that it will be useful,
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%%% but WITHOUT ANY WARRANTY; without even the implied warranty of
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%%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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%%% General Public License for more details.
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%%%
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%%% You should have received a copy of the GNU General Public License
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%%% along with this program; if not, write to the Free Software
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%%% Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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%%% 02111-1307 USA
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%%%
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%%%----------------------------------------------------------------------
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-module(ejabberd_sm).
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-author('alexey@process-one.net').
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-behaviour(gen_server).
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%% API
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-export([start_link/0,
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route/3,
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open_session/5, close_session/4,
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check_in_subscription/6,
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bounce_offline_message/3,
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disconnect_removed_user/2,
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get_user_resources/2,
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set_presence/7,
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unset_presence/6,
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close_session_unset_presence/5,
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dirty_get_sessions_list/0,
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dirty_get_my_sessions_list/0,
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get_vh_session_list/1,
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register_iq_handler/4,
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register_iq_handler/5,
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unregister_iq_handler/2,
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connected_users/0,
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connected_users_number/0,
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user_resources/2,
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get_session_pid/3,
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get_user_info/3,
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get_user_ip/3
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]).
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%% gen_server callbacks
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-export([init/1, handle_call/3, handle_cast/2, handle_info/2,
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terminate/2, code_change/3]).
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-include("ejabberd.hrl").
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-include("jlib.hrl").
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-include("ejabberd_commands.hrl").
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-include("mod_privacy.hrl").
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-record(session, {sid, usr, us, priority, info}).
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-record(state, {}).
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%% default value for the maximum number of user connections
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-define(MAX_USER_SESSIONS, infinity).
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%%====================================================================
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%% API
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%%====================================================================
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%%--------------------------------------------------------------------
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%% Function: start_link() -> {ok,Pid} | ignore | {error,Error}
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%% Description: Starts the server
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%%--------------------------------------------------------------------
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start_link() ->
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gen_server:start_link({local, ?MODULE}, ?MODULE, [], []).
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route(From, To, Packet) ->
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case catch do_route(From, To, Packet) of
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{'EXIT', Reason} ->
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?ERROR_MSG("~p~nwhen processing: ~p",
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[Reason, {From, To, Packet}]);
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_ ->
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ok
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end.
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open_session(SID, User, Server, Resource, Info) ->
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set_session(SID, User, Server, Resource, undefined, Info),
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check_for_sessions_to_replace(User, Server, Resource),
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JID = jlib:make_jid(User, Server, Resource),
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ejabberd_hooks:run(sm_register_connection_hook, JID#jid.lserver,
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[SID, JID, Info]).
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close_session(SID, User, Server, Resource) ->
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Info = case mnesia:dirty_read({session, SID}) of
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[] -> [];
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[#session{info=I}] -> I
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end,
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F = fun() ->
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mnesia:delete({session, SID})
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end,
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mnesia:sync_dirty(F),
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JID = jlib:make_jid(User, Server, Resource),
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ejabberd_hooks:run(sm_remove_connection_hook, JID#jid.lserver,
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[SID, JID, Info]).
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check_in_subscription(Acc, User, Server, _JID, _Type, _Reason) ->
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case ejabberd_auth:is_user_exists(User, Server) of
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true ->
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Acc;
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false ->
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{stop, false}
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end.
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bounce_offline_message(From, To, Packet) ->
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Err = jlib:make_error_reply(Packet, ?ERR_SERVICE_UNAVAILABLE),
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ejabberd_router:route(To, From, Err),
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stop.
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disconnect_removed_user(User, Server) ->
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ejabberd_sm:route(jlib:make_jid("", "", ""),
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jlib:make_jid(User, Server, ""),
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{xmlelement, "broadcast", [],
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[{exit, "User removed"}]}).
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get_user_resources(User, Server) ->
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LUser = jlib:nodeprep(User),
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LServer = jlib:nameprep(Server),
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US = {LUser, LServer},
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case catch mnesia:dirty_index_read(session, US, #session.us) of
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{'EXIT', _Reason} ->
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[];
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Ss ->
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[element(3, S#session.usr) || S <- clean_session_list(Ss)]
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end.
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get_user_ip(User, Server, Resource) ->
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LUser = jlib:nodeprep(User),
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LServer = jlib:nameprep(Server),
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LResource = jlib:resourceprep(Resource),
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USR = {LUser, LServer, LResource},
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case mnesia:dirty_index_read(session, USR, #session.usr) of
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[] ->
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undefined;
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Ss ->
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Session = lists:max(Ss),
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proplists:get_value(ip, Session#session.info)
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end.
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get_user_info(User, Server, Resource) ->
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LUser = jlib:nodeprep(User),
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LServer = jlib:nameprep(Server),
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LResource = jlib:resourceprep(Resource),
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USR = {LUser, LServer, LResource},
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case mnesia:dirty_index_read(session, USR, #session.usr) of
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[] ->
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offline;
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Ss ->
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Session = lists:max(Ss),
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Node = node(element(2, Session#session.sid)),
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Conn = proplists:get_value(conn, Session#session.info),
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IP = proplists:get_value(ip, Session#session.info),
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[{node, Node}, {conn, Conn}, {ip, IP}]
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end.
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set_presence(SID, User, Server, Resource, Priority, Presence, Info) ->
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set_session(SID, User, Server, Resource, Priority, Info),
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ejabberd_hooks:run(set_presence_hook, jlib:nameprep(Server),
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[User, Server, Resource, Presence]).
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unset_presence(SID, User, Server, Resource, Status, Info) ->
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set_session(SID, User, Server, Resource, undefined, Info),
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ejabberd_hooks:run(unset_presence_hook, jlib:nameprep(Server),
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[User, Server, Resource, Status]).
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close_session_unset_presence(SID, User, Server, Resource, Status) ->
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close_session(SID, User, Server, Resource),
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ejabberd_hooks:run(unset_presence_hook, jlib:nameprep(Server),
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[User, Server, Resource, Status]).
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get_session_pid(User, Server, Resource) ->
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LUser = jlib:nodeprep(User),
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LServer = jlib:nameprep(Server),
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LResource = jlib:resourceprep(Resource),
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USR = {LUser, LServer, LResource},
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case catch mnesia:dirty_index_read(session, USR, #session.usr) of
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[#session{sid = {_, Pid}}] -> Pid;
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_ -> none
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end.
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dirty_get_sessions_list() ->
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mnesia:dirty_select(
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session,
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[{#session{usr = '$1', _ = '_'},
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[],
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['$1']}]).
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dirty_get_my_sessions_list() ->
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mnesia:dirty_select(
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session,
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[{#session{sid = {'_', '$1'}, _ = '_'},
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[{'==', {node, '$1'}, node()}],
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['$_']}]).
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get_vh_session_list(Server) ->
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LServer = jlib:nameprep(Server),
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mnesia:dirty_select(
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session,
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[{#session{usr = '$1', _ = '_'},
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[{'==', {element, 2, '$1'}, LServer}],
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['$1']}]).
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register_iq_handler(Host, XMLNS, Module, Fun) ->
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ejabberd_sm ! {register_iq_handler, Host, XMLNS, Module, Fun}.
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register_iq_handler(Host, XMLNS, Module, Fun, Opts) ->
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ejabberd_sm ! {register_iq_handler, Host, XMLNS, Module, Fun, Opts}.
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unregister_iq_handler(Host, XMLNS) ->
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ejabberd_sm ! {unregister_iq_handler, Host, XMLNS}.
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%%====================================================================
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%% gen_server callbacks
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%%====================================================================
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%%--------------------------------------------------------------------
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%% Function: init(Args) -> {ok, State} |
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%% {ok, State, Timeout} |
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%% ignore |
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%% {stop, Reason}
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%% Description: Initiates the server
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%%--------------------------------------------------------------------
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init([]) ->
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update_tables(),
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mnesia:create_table(session,
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[{ram_copies, [node()]},
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{attributes, record_info(fields, session)}]),
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mnesia:add_table_index(session, usr),
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mnesia:add_table_index(session, us),
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mnesia:add_table_copy(session, node(), ram_copies),
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mnesia:subscribe(system),
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ets:new(sm_iqtable, [named_table]),
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lists:foreach(
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fun(Host) ->
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ejabberd_hooks:add(roster_in_subscription, Host,
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ejabberd_sm, check_in_subscription, 20),
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ejabberd_hooks:add(offline_message_hook, Host,
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ejabberd_sm, bounce_offline_message, 100),
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ejabberd_hooks:add(remove_user, Host,
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ejabberd_sm, disconnect_removed_user, 100)
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end, ?MYHOSTS),
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ejabberd_commands:register_commands(commands()),
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{ok, #state{}}.
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%%--------------------------------------------------------------------
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%% Function: %% handle_call(Request, From, State) -> {reply, Reply, State} |
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%% {reply, Reply, State, Timeout} |
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%% {noreply, State} |
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%% {noreply, State, Timeout} |
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%% {stop, Reason, Reply, State} |
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%% {stop, Reason, State}
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%% Description: Handling call messages
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%%--------------------------------------------------------------------
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handle_call(_Request, _From, State) ->
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Reply = ok,
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{reply, Reply, State}.
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%%--------------------------------------------------------------------
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%% Function: handle_cast(Msg, State) -> {noreply, State} |
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%% {noreply, State, Timeout} |
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%% {stop, Reason, State}
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%% Description: Handling cast messages
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%%--------------------------------------------------------------------
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handle_cast(_Msg, State) ->
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{noreply, State}.
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%%--------------------------------------------------------------------
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%% Function: handle_info(Info, State) -> {noreply, State} |
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%% {noreply, State, Timeout} |
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%% {stop, Reason, State}
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%% Description: Handling all non call/cast messages
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%%--------------------------------------------------------------------
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handle_info({route, From, To, Packet}, State) ->
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case catch do_route(From, To, Packet) of
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{'EXIT', Reason} ->
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?ERROR_MSG("~p~nwhen processing: ~p",
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[Reason, {From, To, Packet}]);
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_ ->
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ok
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end,
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{noreply, State};
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handle_info({mnesia_system_event, {mnesia_down, Node}}, State) ->
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clean_table_from_bad_node(Node),
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{noreply, State};
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handle_info({register_iq_handler, Host, XMLNS, Module, Function}, State) ->
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ets:insert(sm_iqtable, {{XMLNS, Host}, Module, Function}),
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{noreply, State};
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handle_info({register_iq_handler, Host, XMLNS, Module, Function, Opts}, State) ->
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ets:insert(sm_iqtable, {{XMLNS, Host}, Module, Function, Opts}),
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{noreply, State};
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handle_info({unregister_iq_handler, Host, XMLNS}, State) ->
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case ets:lookup(sm_iqtable, {XMLNS, Host}) of
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[{_, Module, Function, Opts}] ->
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gen_iq_handler:stop_iq_handler(Module, Function, Opts);
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_ ->
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ok
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end,
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ets:delete(sm_iqtable, {XMLNS, Host}),
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{noreply, State};
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handle_info(_Info, State) ->
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{noreply, State}.
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%%--------------------------------------------------------------------
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%% Function: terminate(Reason, State) -> void()
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%% Description: This function is called by a gen_server when it is about to
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%% terminate. It should be the opposite of Module:init/1 and do any necessary
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%% cleaning up. When it returns, the gen_server terminates with Reason.
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%% The return value is ignored.
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%%--------------------------------------------------------------------
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terminate(_Reason, _State) ->
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ejabberd_commands:unregister_commands(commands()),
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ok.
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%%--------------------------------------------------------------------
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%% Func: code_change(OldVsn, State, Extra) -> {ok, NewState}
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%% Description: Convert process state when code is changed
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%%--------------------------------------------------------------------
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code_change(_OldVsn, State, _Extra) ->
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{ok, State}.
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%%--------------------------------------------------------------------
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%%% Internal functions
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%%--------------------------------------------------------------------
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set_session(SID, User, Server, Resource, Priority, Info) ->
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LUser = jlib:nodeprep(User),
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LServer = jlib:nameprep(Server),
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LResource = jlib:resourceprep(Resource),
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US = {LUser, LServer},
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USR = {LUser, LServer, LResource},
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F = fun() ->
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mnesia:write(#session{sid = SID,
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usr = USR,
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us = US,
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priority = Priority,
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info = Info})
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end,
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mnesia:sync_dirty(F).
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clean_table_from_bad_node(Node) ->
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F = fun() ->
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Es = mnesia:select(
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session,
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[{#session{sid = {'_', '$1'}, _ = '_'},
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[{'==', {node, '$1'}, Node}],
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['$_']}]),
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lists:foreach(fun(E) ->
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mnesia:delete({session, E#session.sid})
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end, Es)
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end,
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mnesia:sync_dirty(F).
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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do_route(From, To, Packet) ->
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?DEBUG("session manager~n\tfrom ~p~n\tto ~p~n\tpacket ~P~n",
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[From, To, Packet, 8]),
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#jid{user = User, server = Server,
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luser = LUser, lserver = LServer, lresource = LResource} = To,
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{xmlelement, Name, Attrs, _Els} = Packet,
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case LResource of
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"" ->
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case Name of
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"presence" ->
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{Pass, _Subsc} =
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case xml:get_attr_s("type", Attrs) of
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"subscribe" ->
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Reason = xml:get_path_s(
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Packet,
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[{elem, "status"}, cdata]),
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{is_privacy_allow(From, To, Packet) andalso
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ejabberd_hooks:run_fold(
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roster_in_subscription,
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LServer,
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false,
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[User, Server, From, subscribe, Reason]),
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true};
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"subscribed" ->
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{is_privacy_allow(From, To, Packet) andalso
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ejabberd_hooks:run_fold(
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roster_in_subscription,
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LServer,
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false,
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[User, Server, From, subscribed, ""]),
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true};
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"unsubscribe" ->
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{is_privacy_allow(From, To, Packet) andalso
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ejabberd_hooks:run_fold(
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roster_in_subscription,
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LServer,
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false,
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[User, Server, From, unsubscribe, ""]),
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true};
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"unsubscribed" ->
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{is_privacy_allow(From, To, Packet) andalso
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ejabberd_hooks:run_fold(
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roster_in_subscription,
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LServer,
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false,
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[User, Server, From, unsubscribed, ""]),
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true};
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_ ->
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{true, false}
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end,
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if Pass ->
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PResources = get_user_present_resources(
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LUser, LServer),
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lists:foreach(
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fun({_, R}) ->
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do_route(
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From,
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jlib:jid_replace_resource(To, R),
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Packet)
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end, PResources);
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true ->
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ok
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end;
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"message" ->
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route_message(From, To, Packet);
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"iq" ->
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process_iq(From, To, Packet);
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"broadcast" ->
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lists:foreach(
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fun(R) ->
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do_route(From,
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jlib:jid_replace_resource(To, R),
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Packet)
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end, get_user_resources(User, Server));
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_ ->
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ok
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end;
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_ ->
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USR = {LUser, LServer, LResource},
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case mnesia:dirty_index_read(session, USR, #session.usr) of
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[] ->
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case Name of
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"message" ->
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route_message(From, To, Packet);
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"iq" ->
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case xml:get_attr_s("type", Attrs) of
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"error" -> ok;
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"result" -> ok;
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_ ->
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Err =
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jlib:make_error_reply(
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Packet, ?ERR_RECIPIENT_UNAVAILABLE),
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ejabberd_router:route(To, From, Err)
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end;
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_ ->
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?DEBUG("packet droped~n", [])
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end;
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Ss ->
|
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Session = lists:max(Ss),
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Pid = element(2, Session#session.sid),
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?DEBUG("sending to process ~p~n", [Pid]),
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Pid ! {route, From, To, Packet}
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end
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end.
|
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|
|
%% The default list applies to the user as a whole,
|
|
%% and is processed if there is no active list set
|
|
%% for the target session/resource to which a stanza is addressed,
|
|
%% or if there are no current sessions for the user.
|
|
is_privacy_allow(From, To, Packet) ->
|
|
User = To#jid.user,
|
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Server = To#jid.server,
|
|
PrivacyList = ejabberd_hooks:run_fold(privacy_get_user_list, Server,
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#userlist{}, [User, Server]),
|
|
is_privacy_allow(From, To, Packet, PrivacyList).
|
|
|
|
%% Check if privacy rules allow this delivery
|
|
%% Function copied from ejabberd_c2s.erl
|
|
is_privacy_allow(From, To, Packet, PrivacyList) ->
|
|
User = To#jid.user,
|
|
Server = To#jid.server,
|
|
allow == ejabberd_hooks:run_fold(
|
|
privacy_check_packet, Server,
|
|
allow,
|
|
[User,
|
|
Server,
|
|
PrivacyList,
|
|
{From, To, Packet},
|
|
in]).
|
|
|
|
route_message(From, To, Packet) ->
|
|
LUser = To#jid.luser,
|
|
LServer = To#jid.lserver,
|
|
PrioRes = get_user_present_resources(LUser, LServer),
|
|
case catch lists:max(PrioRes) of
|
|
{Priority, _R} when is_integer(Priority), Priority >= 0 ->
|
|
lists:foreach(
|
|
%% Route messages to all priority that equals the max, if
|
|
%% positive
|
|
fun({P, R}) when P == Priority ->
|
|
LResource = jlib:resourceprep(R),
|
|
USR = {LUser, LServer, LResource},
|
|
case mnesia:dirty_index_read(session, USR, #session.usr) of
|
|
[] ->
|
|
ok; % Race condition
|
|
Ss ->
|
|
Session = lists:max(Ss),
|
|
Pid = element(2, Session#session.sid),
|
|
?DEBUG("sending to process ~p~n", [Pid]),
|
|
Pid ! {route, From, To, Packet}
|
|
end;
|
|
%% Ignore other priority:
|
|
({_Prio, _Res}) ->
|
|
ok
|
|
end,
|
|
PrioRes);
|
|
_ ->
|
|
case xml:get_tag_attr_s("type", Packet) of
|
|
"error" ->
|
|
ok;
|
|
"groupchat" ->
|
|
bounce_offline_message(From, To, Packet);
|
|
"headline" ->
|
|
bounce_offline_message(From, To, Packet);
|
|
_ ->
|
|
case ejabberd_auth:is_user_exists(LUser, LServer) of
|
|
true ->
|
|
ejabberd_hooks:run(offline_message_hook,
|
|
LServer,
|
|
[From, To, Packet]);
|
|
_ ->
|
|
Err = jlib:make_error_reply(
|
|
Packet, ?ERR_SERVICE_UNAVAILABLE),
|
|
ejabberd_router:route(To, From, Err)
|
|
end
|
|
end
|
|
end.
|
|
|
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
|
clean_session_list(Ss) ->
|
|
clean_session_list(lists:keysort(#session.usr, Ss), []).
|
|
|
|
clean_session_list([], Res) ->
|
|
Res;
|
|
clean_session_list([S], Res) ->
|
|
[S | Res];
|
|
clean_session_list([S1, S2 | Rest], Res) ->
|
|
if
|
|
S1#session.usr == S2#session.usr ->
|
|
if
|
|
S1#session.sid > S2#session.sid ->
|
|
clean_session_list([S1 | Rest], Res);
|
|
true ->
|
|
clean_session_list([S2 | Rest], Res)
|
|
end;
|
|
true ->
|
|
clean_session_list([S2 | Rest], [S1 | Res])
|
|
end.
|
|
|
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
|
get_user_present_resources(LUser, LServer) ->
|
|
US = {LUser, LServer},
|
|
case catch mnesia:dirty_index_read(session, US, #session.us) of
|
|
{'EXIT', _Reason} ->
|
|
[];
|
|
Ss ->
|
|
[{S#session.priority, element(3, S#session.usr)} ||
|
|
S <- clean_session_list(Ss), is_integer(S#session.priority)]
|
|
end.
|
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
|
%% On new session, check if some existing connections need to be replace
|
|
check_for_sessions_to_replace(User, Server, Resource) ->
|
|
LUser = jlib:nodeprep(User),
|
|
LServer = jlib:nameprep(Server),
|
|
LResource = jlib:resourceprep(Resource),
|
|
|
|
%% TODO: Depending on how this is executed, there could be an unneeded
|
|
%% replacement for max_sessions. We need to check this at some point.
|
|
check_existing_resources(LUser, LServer, LResource),
|
|
check_max_sessions(LUser, LServer).
|
|
|
|
check_existing_resources(LUser, LServer, LResource) ->
|
|
USR = {LUser, LServer, LResource},
|
|
%% A connection exist with the same resource. We replace it:
|
|
SIDs = mnesia:dirty_select(
|
|
session,
|
|
[{#session{sid = '$1', usr = USR, _ = '_'}, [], ['$1']}]),
|
|
if
|
|
SIDs == [] -> ok;
|
|
true ->
|
|
MaxSID = lists:max(SIDs),
|
|
lists:foreach(
|
|
fun({_, Pid} = S) when S /= MaxSID ->
|
|
Pid ! replaced;
|
|
(_) -> ok
|
|
end, SIDs)
|
|
end.
|
|
|
|
check_max_sessions(LUser, LServer) ->
|
|
%% If the max number of sessions for a given is reached, we replace the
|
|
%% first one
|
|
SIDs = mnesia:dirty_select(
|
|
session,
|
|
[{#session{sid = '$1', us = {LUser, LServer}, _ = '_'}, [],
|
|
['$1']}]),
|
|
MaxSessions = get_max_user_sessions(LUser, LServer),
|
|
if
|
|
length(SIDs) =< MaxSessions ->
|
|
ok;
|
|
true ->
|
|
{_, Pid} = lists:min(SIDs),
|
|
Pid ! replaced
|
|
end.
|
|
|
|
|
|
%% Get the user_max_session setting
|
|
%% This option defines the max number of time a given users are allowed to
|
|
%% log in
|
|
%% Defaults to infinity
|
|
get_max_user_sessions(LUser, Host) ->
|
|
case acl:match_rule(
|
|
Host, max_user_sessions, jlib:make_jid(LUser, Host, "")) of
|
|
Max when is_integer(Max) -> Max;
|
|
infinity -> infinity;
|
|
_ -> ?MAX_USER_SESSIONS
|
|
end.
|
|
|
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
|
process_iq(From, To, Packet) ->
|
|
IQ = jlib:iq_query_info(Packet),
|
|
case IQ of
|
|
#iq{xmlns = XMLNS} ->
|
|
Host = To#jid.lserver,
|
|
case ets:lookup(sm_iqtable, {XMLNS, Host}) of
|
|
[{_, Module, Function}] ->
|
|
ResIQ = Module:Function(From, To, IQ),
|
|
if
|
|
ResIQ /= ignore ->
|
|
ejabberd_router:route(To, From,
|
|
jlib:iq_to_xml(ResIQ));
|
|
true ->
|
|
ok
|
|
end;
|
|
[{_, Module, Function, Opts}] ->
|
|
gen_iq_handler:handle(Host, Module, Function, Opts,
|
|
From, To, IQ);
|
|
[] ->
|
|
Err = jlib:make_error_reply(
|
|
Packet, ?ERR_SERVICE_UNAVAILABLE),
|
|
ejabberd_router:route(To, From, Err)
|
|
end;
|
|
reply ->
|
|
ok;
|
|
_ ->
|
|
Err = jlib:make_error_reply(Packet, ?ERR_BAD_REQUEST),
|
|
ejabberd_router:route(To, From, Err),
|
|
ok
|
|
end.
|
|
|
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
%%% ejabberd commands
|
|
|
|
commands() ->
|
|
[
|
|
#ejabberd_commands{name = connected_users,
|
|
tags = [session],
|
|
desc = "List all established sessions",
|
|
module = ?MODULE, function = connected_users,
|
|
args = [],
|
|
result = {connected_users, {list, {sessions, string}}}},
|
|
#ejabberd_commands{name = connected_users_number,
|
|
tags = [session, stats],
|
|
desc = "Get the number of established sessions",
|
|
module = ?MODULE, function = connected_users_number,
|
|
args = [],
|
|
result = {num_sessions, integer}},
|
|
#ejabberd_commands{name = user_resources,
|
|
tags = [session],
|
|
desc = "List user's connected resources",
|
|
module = ?MODULE, function = user_resources,
|
|
args = [{user, string}, {host, string}],
|
|
result = {resources, {list, {resource, string}}}}
|
|
].
|
|
|
|
connected_users() ->
|
|
USRs = dirty_get_sessions_list(),
|
|
SUSRs = lists:sort(USRs),
|
|
lists:map(fun({U, S, R}) -> [U, $@, S, $/, R] end, SUSRs).
|
|
|
|
connected_users_number() ->
|
|
length(dirty_get_sessions_list()).
|
|
|
|
user_resources(User, Server) ->
|
|
Resources = get_user_resources(User, Server),
|
|
lists:sort(Resources).
|
|
|
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
%%% Update Mnesia tables
|
|
|
|
update_tables() ->
|
|
case catch mnesia:table_info(session, attributes) of
|
|
[ur, user, node] ->
|
|
mnesia:delete_table(session);
|
|
[ur, user, pid] ->
|
|
mnesia:delete_table(session);
|
|
[usr, us, pid] ->
|
|
mnesia:delete_table(session);
|
|
[sid, usr, us, priority] ->
|
|
mnesia:delete_table(session);
|
|
[sid, usr, us, priority, info] ->
|
|
ok;
|
|
{'EXIT', _} ->
|
|
ok
|
|
end,
|
|
case lists:member(presence, mnesia:system_info(tables)) of
|
|
true ->
|
|
mnesia:delete_table(presence);
|
|
false ->
|
|
ok
|
|
end,
|
|
case lists:member(local_session, mnesia:system_info(tables)) of
|
|
true ->
|
|
mnesia:delete_table(local_session);
|
|
false ->
|
|
ok
|
|
end.
|