2002-11-24 21:36:57 +01:00
|
|
|
%%%----------------------------------------------------------------------
|
|
|
|
%%% File : ejabberd_sm.erl
|
|
|
|
%%% Author : Alexey Shchepin <alexey@sevcom.net>
|
2003-12-14 21:51:01 +01:00
|
|
|
%%% Purpose : Session manager
|
2002-11-24 21:36:57 +01:00
|
|
|
%%% Created : 24 Nov 2002 by Alexey Shchepin <alexey@sevcom.net>
|
|
|
|
%%% Id : $Id$
|
|
|
|
%%%----------------------------------------------------------------------
|
|
|
|
|
|
|
|
-module(ejabberd_sm).
|
|
|
|
-author('alexey@sevcom.net').
|
|
|
|
|
2006-01-29 05:38:31 +01:00
|
|
|
-behaviour(gen_server).
|
|
|
|
|
|
|
|
%% API
|
|
|
|
-export([start_link/0,
|
2004-11-05 22:14:31 +01:00
|
|
|
route/3,
|
2006-04-07 02:39:24 +02:00
|
|
|
open_session/4, close_session/4,
|
2004-08-08 21:07:55 +02:00
|
|
|
bounce_offline_message/3,
|
2005-04-17 20:08:34 +02:00
|
|
|
disconnect_removed_user/2,
|
|
|
|
get_user_resources/2,
|
2006-01-24 00:13:06 +01:00
|
|
|
set_presence/5,
|
|
|
|
unset_presence/5,
|
|
|
|
close_session_unset_presence/5,
|
2003-01-01 20:54:44 +01:00
|
|
|
dirty_get_sessions_list/0,
|
2003-01-18 20:42:48 +01:00
|
|
|
dirty_get_my_sessions_list/0,
|
2005-04-17 20:08:34 +02:00
|
|
|
get_vh_session_list/1,
|
2003-01-29 18:12:23 +01:00
|
|
|
register_iq_handler/4,
|
2005-06-20 05:18:13 +02:00
|
|
|
register_iq_handler/5,
|
2006-02-15 05:15:54 +01:00
|
|
|
unregister_iq_handler/2,
|
|
|
|
ctl_process/2
|
2003-01-29 18:12:23 +01:00
|
|
|
]).
|
2002-11-24 21:36:57 +01:00
|
|
|
|
2006-01-29 05:38:31 +01:00
|
|
|
%% gen_server callbacks
|
|
|
|
-export([init/1, handle_call/3, handle_cast/2, handle_info/2,
|
|
|
|
terminate/2, code_change/3]).
|
|
|
|
|
2002-11-30 19:46:16 +01:00
|
|
|
-include("ejabberd.hrl").
|
2003-05-09 21:32:59 +02:00
|
|
|
-include("jlib.hrl").
|
2006-02-15 05:15:54 +01:00
|
|
|
-include("ejabberd_ctl.hrl").
|
2002-11-24 21:36:57 +01:00
|
|
|
|
2006-01-24 00:13:06 +01:00
|
|
|
-record(session, {sid, usr, us, priority}).
|
2006-01-29 05:38:31 +01:00
|
|
|
-record(state, {}).
|
|
|
|
|
2006-05-21 18:34:32 +02:00
|
|
|
%% default value for the maximum number of user connections
|
2006-05-22 12:17:22 +02:00
|
|
|
-define(MAX_USER_SESSIONS, infinity).
|
2006-05-21 18:34:32 +02:00
|
|
|
|
2006-01-29 05:38:31 +01:00
|
|
|
%%====================================================================
|
|
|
|
%% API
|
|
|
|
%%====================================================================
|
|
|
|
%%--------------------------------------------------------------------
|
|
|
|
%% Function: start_link() -> {ok,Pid} | ignore | {error,Error}
|
|
|
|
%% Description: Starts the server
|
|
|
|
%%--------------------------------------------------------------------
|
2003-02-01 21:21:28 +01:00
|
|
|
start_link() ->
|
2006-01-29 05:38:31 +01:00
|
|
|
gen_server:start_link({local, ?MODULE}, ?MODULE, [], []).
|
|
|
|
|
|
|
|
route(From, To, Packet) ->
|
|
|
|
case catch do_route(From, To, Packet) of
|
|
|
|
{'EXIT', Reason} ->
|
|
|
|
?ERROR_MSG("~p~nwhen processing: ~p",
|
|
|
|
[Reason, {From, To, Packet}]);
|
|
|
|
_ ->
|
|
|
|
ok
|
|
|
|
end.
|
|
|
|
|
|
|
|
open_session(SID, User, Server, Resource) ->
|
2006-04-07 02:39:24 +02:00
|
|
|
set_session(SID, User, Server, Resource, undefined),
|
2006-05-21 18:34:32 +02:00
|
|
|
check_for_sessions_to_replace(User, Server, Resource),
|
2006-04-07 02:39:24 +02:00
|
|
|
JID = jlib:make_jid(User, Server, Resource),
|
|
|
|
ejabberd_hooks:run(sm_register_connection_hook, JID#jid.lserver,
|
|
|
|
[SID, JID]).
|
2006-01-29 05:38:31 +01:00
|
|
|
|
2006-04-07 02:39:24 +02:00
|
|
|
close_session(SID, User, Server, Resource) ->
|
2006-01-29 05:38:31 +01:00
|
|
|
F = fun() ->
|
|
|
|
mnesia:delete({session, SID})
|
|
|
|
end,
|
2006-04-07 02:39:24 +02:00
|
|
|
mnesia:sync_dirty(F),
|
|
|
|
JID = jlib:make_jid(User, Server, Resource),
|
|
|
|
ejabberd_hooks:run(sm_remove_connection_hook, JID#jid.lserver,
|
|
|
|
[SID, JID]).
|
2006-01-29 05:38:31 +01:00
|
|
|
|
|
|
|
bounce_offline_message(From, To, Packet) ->
|
|
|
|
Err = jlib:make_error_reply(Packet, ?ERR_SERVICE_UNAVAILABLE),
|
|
|
|
ejabberd_router:route(To, From, Err),
|
|
|
|
stop.
|
|
|
|
|
|
|
|
disconnect_removed_user(User, Server) ->
|
|
|
|
ejabberd_sm:route(jlib:make_jid("", "", ""),
|
|
|
|
jlib:make_jid(User, Server, ""),
|
|
|
|
{xmlelement, "broadcast", [],
|
|
|
|
[{exit, "User removed"}]}).
|
|
|
|
|
|
|
|
get_user_resources(User, Server) ->
|
|
|
|
LUser = jlib:nodeprep(User),
|
|
|
|
LServer = jlib:nameprep(Server),
|
|
|
|
US = {LUser, LServer},
|
|
|
|
case catch mnesia:dirty_index_read(session, US, #session.us) of
|
|
|
|
{'EXIT', _Reason} ->
|
|
|
|
[];
|
|
|
|
Ss ->
|
|
|
|
[element(3, S#session.usr) || S <- clean_session_list(Ss)]
|
|
|
|
end.
|
|
|
|
|
|
|
|
set_presence(SID, User, Server, Resource, Priority) ->
|
|
|
|
set_session(SID, User, Server, Resource, Priority).
|
2002-11-24 21:36:57 +01:00
|
|
|
|
2006-01-29 05:38:31 +01:00
|
|
|
unset_presence(SID, User, Server, Resource, Status) ->
|
|
|
|
set_session(SID, User, Server, Resource, undefined),
|
|
|
|
ejabberd_hooks:run(unset_presence_hook, jlib:nameprep(Server),
|
|
|
|
[User, Server, Resource, Status]).
|
|
|
|
|
|
|
|
close_session_unset_presence(SID, User, Server, Resource, Status) ->
|
2006-04-07 02:39:24 +02:00
|
|
|
close_session(SID, User, Server, Resource),
|
2006-01-29 05:38:31 +01:00
|
|
|
ejabberd_hooks:run(unset_presence_hook, jlib:nameprep(Server),
|
|
|
|
[User, Server, Resource, Status]).
|
|
|
|
|
|
|
|
|
|
|
|
dirty_get_sessions_list() ->
|
|
|
|
mnesia:dirty_select(
|
|
|
|
session,
|
|
|
|
[{#session{usr = '$1', _ = '_'},
|
|
|
|
[],
|
|
|
|
['$1']}]).
|
|
|
|
|
|
|
|
dirty_get_my_sessions_list() ->
|
|
|
|
mnesia:dirty_select(
|
|
|
|
session,
|
|
|
|
[{#session{sid = {'_', '$1'}, _ = '_'},
|
|
|
|
[{'==', {node, '$1'}, node()}],
|
|
|
|
['$_']}]).
|
|
|
|
|
|
|
|
get_vh_session_list(Server) ->
|
|
|
|
LServer = jlib:nameprep(Server),
|
|
|
|
mnesia:dirty_select(
|
|
|
|
session,
|
|
|
|
[{#session{usr = '$1', _ = '_'},
|
|
|
|
[{'==', {element, 2, '$1'}, LServer}],
|
|
|
|
['$1']}]).
|
|
|
|
|
|
|
|
register_iq_handler(Host, XMLNS, Module, Fun) ->
|
|
|
|
ejabberd_sm ! {register_iq_handler, Host, XMLNS, Module, Fun}.
|
|
|
|
|
|
|
|
register_iq_handler(Host, XMLNS, Module, Fun, Opts) ->
|
|
|
|
ejabberd_sm ! {register_iq_handler, Host, XMLNS, Module, Fun, Opts}.
|
|
|
|
|
|
|
|
unregister_iq_handler(Host, XMLNS) ->
|
|
|
|
ejabberd_sm ! {unregister_iq_handler, Host, XMLNS}.
|
|
|
|
|
|
|
|
|
|
|
|
%%====================================================================
|
|
|
|
%% gen_server callbacks
|
|
|
|
%%====================================================================
|
|
|
|
|
|
|
|
%%--------------------------------------------------------------------
|
|
|
|
%% Function: init(Args) -> {ok, State} |
|
|
|
|
%% {ok, State, Timeout} |
|
|
|
|
%% ignore |
|
|
|
|
%% {stop, Reason}
|
|
|
|
%% Description: Initiates the server
|
|
|
|
%%--------------------------------------------------------------------
|
|
|
|
init([]) ->
|
2003-12-14 21:51:01 +01:00
|
|
|
update_tables(),
|
2006-01-24 00:13:06 +01:00
|
|
|
mnesia:create_table(session,
|
|
|
|
[{ram_copies, [node()]},
|
|
|
|
{attributes, record_info(fields, session)}]),
|
|
|
|
mnesia:add_table_index(session, usr),
|
2005-04-17 20:08:34 +02:00
|
|
|
mnesia:add_table_index(session, us),
|
2003-12-14 21:51:01 +01:00
|
|
|
mnesia:add_table_copy(session, node(), ram_copies),
|
2002-11-24 21:36:57 +01:00
|
|
|
mnesia:subscribe(system),
|
2003-01-01 20:54:44 +01:00
|
|
|
ets:new(sm_iqtable, [named_table]),
|
2005-06-20 05:18:13 +02:00
|
|
|
lists:foreach(
|
|
|
|
fun(Host) ->
|
|
|
|
ejabberd_hooks:add(offline_message_hook, Host,
|
|
|
|
ejabberd_sm, bounce_offline_message, 100),
|
|
|
|
ejabberd_hooks:add(remove_user, Host,
|
|
|
|
ejabberd_sm, disconnect_removed_user, 100)
|
|
|
|
end, ?MYHOSTS),
|
2006-02-15 05:15:54 +01:00
|
|
|
ejabberd_ctl:register_commands(
|
|
|
|
[{"connected-users", "list all established sessions"},
|
|
|
|
{"connected-users-number", "print a number of established sessions"},
|
|
|
|
{"user-resources user server", "print user's connected resources"}],
|
|
|
|
?MODULE, ctl_process),
|
2006-05-21 18:34:32 +02:00
|
|
|
|
2006-01-29 05:38:31 +01:00
|
|
|
{ok, #state{}}.
|
|
|
|
|
|
|
|
%%--------------------------------------------------------------------
|
|
|
|
%% Function: %% handle_call(Request, From, State) -> {reply, Reply, State} |
|
|
|
|
%% {reply, Reply, State, Timeout} |
|
|
|
|
%% {noreply, State} |
|
|
|
|
%% {noreply, State, Timeout} |
|
|
|
|
%% {stop, Reason, Reply, State} |
|
|
|
|
%% {stop, Reason, State}
|
|
|
|
%% Description: Handling call messages
|
|
|
|
%%--------------------------------------------------------------------
|
|
|
|
handle_call(_Request, _From, State) ->
|
|
|
|
Reply = ok,
|
|
|
|
{reply, Reply, State}.
|
|
|
|
|
|
|
|
%%--------------------------------------------------------------------
|
|
|
|
%% Function: handle_cast(Msg, State) -> {noreply, State} |
|
|
|
|
%% {noreply, State, Timeout} |
|
|
|
|
%% {stop, Reason, State}
|
|
|
|
%% Description: Handling cast messages
|
|
|
|
%%--------------------------------------------------------------------
|
|
|
|
handle_cast(_Msg, State) ->
|
|
|
|
{noreply, State}.
|
|
|
|
|
|
|
|
%%--------------------------------------------------------------------
|
|
|
|
%% Function: handle_info(Info, State) -> {noreply, State} |
|
|
|
|
%% {noreply, State, Timeout} |
|
|
|
|
%% {stop, Reason, State}
|
|
|
|
%% Description: Handling all non call/cast messages
|
|
|
|
%%--------------------------------------------------------------------
|
|
|
|
handle_info({route, From, To, Packet}, State) ->
|
2004-11-05 22:14:31 +01:00
|
|
|
case catch do_route(From, To, Packet) of
|
|
|
|
{'EXIT', Reason} ->
|
|
|
|
?ERROR_MSG("~p~nwhen processing: ~p",
|
|
|
|
[Reason, {From, To, Packet}]);
|
|
|
|
_ ->
|
|
|
|
ok
|
2006-01-29 05:38:31 +01:00
|
|
|
end,
|
|
|
|
{noreply, State};
|
|
|
|
handle_info({mnesia_system_event, {mnesia_down, Node}}, State) ->
|
|
|
|
clean_table_from_bad_node(Node),
|
|
|
|
{noreply, State};
|
|
|
|
handle_info({register_iq_handler, Host, XMLNS, Module, Function}, State) ->
|
|
|
|
ets:insert(sm_iqtable, {{XMLNS, Host}, Module, Function}),
|
|
|
|
{noreply, State};
|
|
|
|
handle_info({register_iq_handler, Host, XMLNS, Module, Function, Opts}, State) ->
|
|
|
|
ets:insert(sm_iqtable, {{XMLNS, Host}, Module, Function, Opts}),
|
|
|
|
{noreply, State};
|
|
|
|
handle_info({unregister_iq_handler, Host, XMLNS}, State) ->
|
|
|
|
case ets:lookup(sm_iqtable, {XMLNS, Host}) of
|
|
|
|
[{_, Module, Function, Opts}] ->
|
|
|
|
gen_iq_handler:stop_iq_handler(Module, Function, Opts);
|
|
|
|
_ ->
|
|
|
|
ok
|
|
|
|
end,
|
|
|
|
ets:delete(sm_iqtable, {XMLNS, Host}),
|
|
|
|
{noreply, State};
|
|
|
|
handle_info(_Info, State) ->
|
|
|
|
{noreply, State}.
|
|
|
|
|
|
|
|
%%--------------------------------------------------------------------
|
|
|
|
%% Function: terminate(Reason, State) -> void()
|
|
|
|
%% Description: This function is called by a gen_server when it is about to
|
|
|
|
%% terminate. It should be the opposite of Module:init/1 and do any necessary
|
|
|
|
%% cleaning up. When it returns, the gen_server terminates with Reason.
|
|
|
|
%% The return value is ignored.
|
|
|
|
%%--------------------------------------------------------------------
|
|
|
|
terminate(_Reason, _State) ->
|
|
|
|
ok.
|
|
|
|
|
|
|
|
%%--------------------------------------------------------------------
|
|
|
|
%% Func: code_change(OldVsn, State, Extra) -> {ok, NewState}
|
|
|
|
%% Description: Convert process state when code is changed
|
|
|
|
%%--------------------------------------------------------------------
|
|
|
|
code_change(_OldVsn, State, _Extra) ->
|
|
|
|
{ok, State}.
|
|
|
|
|
|
|
|
%%--------------------------------------------------------------------
|
|
|
|
%%% Internal functions
|
|
|
|
%%--------------------------------------------------------------------
|
2002-11-30 19:46:16 +01:00
|
|
|
|
2006-01-24 00:13:06 +01:00
|
|
|
set_session(SID, User, Server, Resource, Priority) ->
|
2003-10-07 22:31:44 +02:00
|
|
|
LUser = jlib:nodeprep(User),
|
2005-04-17 20:08:34 +02:00
|
|
|
LServer = jlib:nameprep(Server),
|
2003-11-09 21:18:36 +01:00
|
|
|
LResource = jlib:resourceprep(Resource),
|
2005-04-17 20:08:34 +02:00
|
|
|
US = {LUser, LServer},
|
|
|
|
USR = {LUser, LServer, LResource},
|
2003-09-19 20:22:44 +02:00
|
|
|
F = fun() ->
|
2006-01-24 00:13:06 +01:00
|
|
|
mnesia:write(#session{sid = SID,
|
|
|
|
usr = USR,
|
|
|
|
us = US,
|
|
|
|
priority = Priority})
|
|
|
|
end,
|
2006-05-21 18:34:32 +02:00
|
|
|
mnesia:sync_dirty(F).
|
2002-11-24 21:36:57 +01:00
|
|
|
|
|
|
|
clean_table_from_bad_node(Node) ->
|
|
|
|
F = fun() ->
|
2003-12-14 21:51:01 +01:00
|
|
|
Es = mnesia:select(
|
|
|
|
session,
|
2006-01-24 00:13:06 +01:00
|
|
|
[{#session{sid = {'_', '$1'}, _ = '_'},
|
2003-12-14 21:51:01 +01:00
|
|
|
[{'==', {node, '$1'}, Node}],
|
|
|
|
['$_']}]),
|
2002-11-24 21:36:57 +01:00
|
|
|
lists:foreach(fun(E) ->
|
2006-03-16 10:59:45 +01:00
|
|
|
mnesia:delete({session, E#session.sid})
|
2002-11-24 21:36:57 +01:00
|
|
|
end, Es)
|
|
|
|
end,
|
2006-01-24 00:13:06 +01:00
|
|
|
mnesia:sync_dirty(F).
|
2002-11-24 21:36:57 +01:00
|
|
|
|
2002-11-30 19:46:16 +01:00
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
|
|
2003-01-15 20:54:44 +01:00
|
|
|
|
2002-11-30 19:46:16 +01:00
|
|
|
do_route(From, To, Packet) ->
|
|
|
|
?DEBUG("session manager~n\tfrom ~p~n\tto ~p~n\tpacket ~P~n",
|
|
|
|
[From, To, Packet, 8]),
|
2005-04-17 20:08:34 +02:00
|
|
|
#jid{user = User, server = Server,
|
2003-10-07 22:31:44 +02:00
|
|
|
luser = LUser, lserver = LServer, lresource = LResource} = To,
|
2003-10-24 21:21:07 +02:00
|
|
|
{xmlelement, Name, Attrs, _Els} = Packet,
|
2003-11-07 21:51:23 +01:00
|
|
|
case LResource of
|
2002-12-17 21:49:45 +01:00
|
|
|
"" ->
|
|
|
|
case Name of
|
|
|
|
"presence" ->
|
2003-01-17 20:58:42 +01:00
|
|
|
{Pass, Subsc} =
|
|
|
|
case xml:get_attr_s("type", Attrs) of
|
|
|
|
"subscribe" ->
|
2006-05-26 02:00:32 +02:00
|
|
|
Reason = xml:get_path_s(
|
|
|
|
Packet,
|
|
|
|
[{elem, "status"}, cdata]),
|
2004-12-19 21:47:35 +01:00
|
|
|
{ejabberd_hooks:run_fold(
|
|
|
|
roster_in_subscription,
|
2005-06-20 05:18:13 +02:00
|
|
|
LServer,
|
2004-12-19 21:47:35 +01:00
|
|
|
false,
|
2006-05-23 22:19:37 +02:00
|
|
|
[User, Server, From, subscribe, Reason]),
|
2003-01-17 20:58:42 +01:00
|
|
|
true};
|
|
|
|
"subscribed" ->
|
2004-12-19 21:47:35 +01:00
|
|
|
{ejabberd_hooks:run_fold(
|
|
|
|
roster_in_subscription,
|
2005-06-20 05:18:13 +02:00
|
|
|
LServer,
|
2004-12-19 21:47:35 +01:00
|
|
|
false,
|
2006-05-23 22:19:37 +02:00
|
|
|
[User, Server, From, subscribed, ""]),
|
2003-01-17 20:58:42 +01:00
|
|
|
true};
|
|
|
|
"unsubscribe" ->
|
2004-12-19 21:47:35 +01:00
|
|
|
{ejabberd_hooks:run_fold(
|
|
|
|
roster_in_subscription,
|
2005-06-20 05:18:13 +02:00
|
|
|
LServer,
|
2004-12-19 21:47:35 +01:00
|
|
|
false,
|
2006-05-23 22:19:37 +02:00
|
|
|
[User, Server, From, unsubscribe, ""]),
|
2003-01-17 20:58:42 +01:00
|
|
|
true};
|
|
|
|
"unsubscribed" ->
|
2004-12-19 21:47:35 +01:00
|
|
|
{ejabberd_hooks:run_fold(
|
|
|
|
roster_in_subscription,
|
2005-06-20 05:18:13 +02:00
|
|
|
LServer,
|
2004-12-19 21:47:35 +01:00
|
|
|
false,
|
2006-05-23 22:19:37 +02:00
|
|
|
[User, Server, From, unsubscribed, ""]),
|
2003-01-17 20:58:42 +01:00
|
|
|
true};
|
|
|
|
_ ->
|
|
|
|
{true, false}
|
|
|
|
end,
|
2002-12-20 21:42:08 +01:00
|
|
|
if Pass ->
|
|
|
|
LFrom = jlib:jid_tolower(From),
|
2005-04-17 20:08:34 +02:00
|
|
|
PResources = get_user_present_resources(
|
|
|
|
LUser, LServer),
|
2006-05-23 22:19:37 +02:00
|
|
|
lists:foreach(
|
|
|
|
fun({_, R}) ->
|
|
|
|
if LFrom /=
|
|
|
|
{LUser, LServer, R} ->
|
|
|
|
do_route(
|
|
|
|
From,
|
|
|
|
jlib:jid_replace_resource(To, R),
|
|
|
|
Packet);
|
|
|
|
true ->
|
|
|
|
ok
|
|
|
|
end
|
|
|
|
end, PResources);
|
2002-12-20 21:42:08 +01:00
|
|
|
true ->
|
|
|
|
ok
|
|
|
|
end;
|
2002-12-17 21:49:45 +01:00
|
|
|
"message" ->
|
2003-01-05 21:24:59 +01:00
|
|
|
route_message(From, To, Packet);
|
2002-12-17 21:49:45 +01:00
|
|
|
"iq" ->
|
2003-01-05 21:24:59 +01:00
|
|
|
process_iq(From, To, Packet);
|
2002-12-22 21:56:29 +01:00
|
|
|
"broadcast" ->
|
|
|
|
lists:foreach(
|
|
|
|
fun(R) ->
|
2004-12-15 00:51:21 +01:00
|
|
|
do_route(From,
|
|
|
|
jlib:jid_replace_resource(To, R),
|
|
|
|
Packet)
|
2005-04-17 20:08:34 +02:00
|
|
|
end, get_user_resources(User, Server));
|
2002-12-17 21:49:45 +01:00
|
|
|
_ ->
|
|
|
|
ok
|
|
|
|
end;
|
|
|
|
_ ->
|
2005-04-17 20:08:34 +02:00
|
|
|
USR = {LUser, LServer, LResource},
|
2006-01-24 00:13:06 +01:00
|
|
|
case mnesia:dirty_index_read(session, USR, #session.usr) of
|
2003-01-15 20:54:44 +01:00
|
|
|
[] ->
|
2003-10-07 22:31:44 +02:00
|
|
|
case Name of
|
|
|
|
"message" ->
|
2003-01-05 21:24:59 +01:00
|
|
|
route_message(From, To, Packet);
|
2003-10-07 22:31:44 +02:00
|
|
|
"iq" ->
|
2003-10-28 15:00:45 +01:00
|
|
|
case xml:get_attr_s("type", Attrs) of
|
|
|
|
"error" -> ok;
|
|
|
|
"result" -> ok;
|
|
|
|
_ ->
|
|
|
|
Err =
|
|
|
|
jlib:make_error_reply(
|
|
|
|
Packet, ?ERR_RECIPIENT_UNAVAILABLE),
|
|
|
|
ejabberd_router:route(To, From, Err)
|
|
|
|
end;
|
2003-10-07 22:31:44 +02:00
|
|
|
_ ->
|
2003-01-05 21:24:59 +01:00
|
|
|
?DEBUG("packet droped~n", [])
|
2003-01-15 20:54:44 +01:00
|
|
|
end;
|
2006-01-24 00:13:06 +01:00
|
|
|
Ss ->
|
|
|
|
Session = lists:max(Ss),
|
|
|
|
Pid = element(2, Session#session.sid),
|
2003-12-14 21:51:01 +01:00
|
|
|
?DEBUG("sending to process ~p~n", [Pid]),
|
|
|
|
Pid ! {route, From, To, Packet}
|
2002-12-17 21:49:45 +01:00
|
|
|
end
|
2002-11-30 19:46:16 +01:00
|
|
|
end.
|
|
|
|
|
2003-01-05 21:24:59 +01:00
|
|
|
route_message(From, To, Packet) ->
|
2004-01-02 20:36:38 +01:00
|
|
|
LUser = To#jid.luser,
|
2005-04-17 20:08:34 +02:00
|
|
|
LServer = To#jid.lserver,
|
2006-04-23 11:31:54 +02:00
|
|
|
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);
|
2004-10-08 22:40:29 +02:00
|
|
|
_ ->
|
2003-11-23 21:11:21 +01:00
|
|
|
case xml:get_tag_attr_s("type", Packet) of
|
|
|
|
"error" ->
|
|
|
|
ok;
|
|
|
|
_ ->
|
2005-04-17 20:08:34 +02:00
|
|
|
case ejabberd_auth:is_user_exists(LUser, LServer) of
|
2003-11-23 21:11:21 +01:00
|
|
|
true ->
|
2004-08-08 21:07:55 +02:00
|
|
|
ejabberd_hooks:run(offline_message_hook,
|
2005-06-20 05:18:13 +02:00
|
|
|
LServer,
|
2004-08-08 21:07:55 +02:00
|
|
|
[From, To, Packet]);
|
2003-11-23 21:11:21 +01:00
|
|
|
_ ->
|
|
|
|
Err = jlib:make_error_reply(
|
2004-08-08 21:07:55 +02:00
|
|
|
Packet, ?ERR_SERVICE_UNAVAILABLE),
|
2003-11-23 21:11:21 +01:00
|
|
|
ejabberd_router:route(To, From, Err)
|
|
|
|
end
|
2004-01-02 20:36:38 +01:00
|
|
|
end
|
2003-01-05 21:24:59 +01:00
|
|
|
end.
|
|
|
|
|
2005-04-17 20:08:34 +02:00
|
|
|
|
2002-12-14 21:07:26 +01:00
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
|
|
2006-01-24 00:13:06 +01:00
|
|
|
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])
|
2002-12-14 21:07:26 +01:00
|
|
|
end.
|
|
|
|
|
2003-01-19 21:17:56 +01:00
|
|
|
|
2002-12-30 21:25:08 +01:00
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
|
|
2005-04-17 20:08:34 +02:00
|
|
|
get_user_present_resources(LUser, LServer) ->
|
|
|
|
US = {LUser, LServer},
|
2006-01-24 00:13:06 +01:00
|
|
|
case catch mnesia:dirty_index_read(session, US, #session.us) of
|
2003-10-24 21:21:07 +02:00
|
|
|
{'EXIT', _Reason} ->
|
2003-01-19 21:17:56 +01:00
|
|
|
[];
|
2006-01-24 00:13:06 +01:00
|
|
|
Ss ->
|
|
|
|
[{S#session.priority, element(3, S#session.usr)} ||
|
|
|
|
S <- clean_session_list(Ss), is_integer(S#session.priority)]
|
2002-12-30 21:25:08 +01:00
|
|
|
end.
|
2002-12-14 21:07:26 +01:00
|
|
|
|
2006-05-21 18:34:32 +02:00
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
|
|
|
|
|
%% 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', usr = {LUser, LServer, '_'}, _ = '_'}, [], ['$1']}]),
|
2006-05-22 12:17:22 +02:00
|
|
|
MaxSessions = get_max_user_sessions(LServer),
|
2006-05-21 18:34:32 +02:00
|
|
|
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
|
2006-05-22 12:17:22 +02:00
|
|
|
%% Defaults to infinity
|
|
|
|
get_max_user_sessions(Host) ->
|
|
|
|
case ejabberd_config:get_local_option({max_user_sessions, Host}) of
|
2006-05-21 18:34:32 +02:00
|
|
|
undefined -> ?MAX_USER_SESSIONS;
|
2006-05-22 12:17:22 +02:00
|
|
|
Max -> Max
|
2006-05-21 18:34:32 +02:00
|
|
|
end.
|
|
|
|
|
2003-01-01 20:54:44 +01:00
|
|
|
|
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
|
|
|
|
|
process_iq(From, To, Packet) ->
|
|
|
|
IQ = jlib:iq_query_info(Packet),
|
|
|
|
case IQ of
|
2003-12-17 21:13:21 +01:00
|
|
|
#iq{xmlns = XMLNS} ->
|
2005-06-20 05:18:13 +02:00
|
|
|
Host = To#jid.lserver,
|
|
|
|
case ets:lookup(sm_iqtable, {XMLNS, Host}) of
|
2003-01-01 20:54:44 +01:00
|
|
|
[{_, Module, Function}] ->
|
2003-10-07 22:31:44 +02:00
|
|
|
ResIQ = Module:Function(From, To, IQ),
|
2003-01-01 20:54:44 +01:00
|
|
|
if
|
|
|
|
ResIQ /= ignore ->
|
2004-12-15 00:51:21 +01:00
|
|
|
ejabberd_router:route(To, From,
|
|
|
|
jlib:iq_to_xml(ResIQ));
|
2003-01-01 20:54:44 +01:00
|
|
|
true ->
|
|
|
|
ok
|
|
|
|
end;
|
2003-01-22 21:40:40 +01:00
|
|
|
[{_, Module, Function, Opts}] ->
|
2005-06-20 05:18:13 +02:00
|
|
|
gen_iq_handler:handle(Host, Module, Function, Opts,
|
2003-01-22 21:40:40 +01:00
|
|
|
From, To, IQ);
|
2003-01-01 20:54:44 +01:00
|
|
|
[] ->
|
|
|
|
Err = jlib:make_error_reply(
|
2006-07-28 18:18:50 +02:00
|
|
|
Packet, ?ERR_SERVICE_UNAVAILABLE),
|
2004-12-15 00:51:21 +01:00
|
|
|
ejabberd_router:route(To, From, Err)
|
2003-01-01 20:54:44 +01:00
|
|
|
end;
|
|
|
|
reply ->
|
|
|
|
ok;
|
|
|
|
_ ->
|
2003-05-09 21:32:59 +02:00
|
|
|
Err = jlib:make_error_reply(Packet, ?ERR_BAD_REQUEST),
|
2003-12-17 21:13:21 +01:00
|
|
|
ejabberd_router:route(To, From, Err),
|
2003-01-01 20:54:44 +01:00
|
|
|
ok
|
|
|
|
end.
|
|
|
|
|
2003-12-14 21:51:01 +01:00
|
|
|
|
2006-02-15 05:15:54 +01:00
|
|
|
ctl_process(_Val, ["connected-users"]) ->
|
|
|
|
USRs = dirty_get_sessions_list(),
|
|
|
|
NewLine = io_lib:format("~n", []),
|
|
|
|
SUSRs = lists:sort(USRs),
|
|
|
|
FUSRs = lists:map(fun({U, S, R}) -> [U, $@, S, $/, R, NewLine] end, SUSRs),
|
|
|
|
io:format("~s", [FUSRs]),
|
2006-02-20 05:07:42 +01:00
|
|
|
{stop, ?STATUS_SUCCESS};
|
2006-02-15 05:15:54 +01:00
|
|
|
ctl_process(_Val, ["connected-users-number"]) ->
|
|
|
|
N = length(dirty_get_sessions_list()),
|
|
|
|
io:format("~p~n", [N]),
|
2006-02-20 05:07:42 +01:00
|
|
|
{stop, ?STATUS_SUCCESS};
|
2006-02-15 05:15:54 +01:00
|
|
|
ctl_process(_Val, ["user-resources", User, Server]) ->
|
|
|
|
Resources = get_user_resources(User, Server),
|
|
|
|
NewLine = io_lib:format("~n", []),
|
|
|
|
SResources = lists:sort(Resources),
|
|
|
|
FResources = lists:map(fun(R) -> [R, NewLine] end, SResources),
|
|
|
|
io:format("~s", [FResources]),
|
2006-02-20 05:07:42 +01:00
|
|
|
{stop, ?STATUS_SUCCESS};
|
2006-02-15 05:15:54 +01:00
|
|
|
ctl_process(Val, _Args) ->
|
|
|
|
Val.
|
|
|
|
|
2003-12-14 21:51:01 +01:00
|
|
|
|
|
|
|
update_tables() ->
|
|
|
|
case catch mnesia:table_info(session, attributes) of
|
|
|
|
[ur, user, node] ->
|
|
|
|
mnesia:delete_table(session);
|
|
|
|
[ur, user, pid] ->
|
2005-04-17 20:08:34 +02:00
|
|
|
mnesia:delete_table(session);
|
|
|
|
[usr, us, pid] ->
|
2006-01-24 00:13:06 +01:00
|
|
|
mnesia:delete_table(session);
|
|
|
|
[sid, usr, us, priority] ->
|
2005-04-17 20:08:34 +02:00
|
|
|
ok;
|
|
|
|
{'EXIT', _} ->
|
|
|
|
ok
|
|
|
|
end,
|
2006-01-24 00:13:06 +01:00
|
|
|
case lists:member(presence, mnesia:system_info(tables)) of
|
|
|
|
true ->
|
2005-04-17 20:08:34 +02:00
|
|
|
mnesia:delete_table(presence);
|
2006-01-24 00:13:06 +01:00
|
|
|
false ->
|
2003-12-14 21:51:01 +01:00
|
|
|
ok
|
|
|
|
end,
|
|
|
|
case lists:member(local_session, mnesia:system_info(tables)) of
|
|
|
|
true ->
|
|
|
|
mnesia:delete_table(local_session);
|
|
|
|
false ->
|
|
|
|
ok
|
|
|
|
end.
|
|
|
|
|