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%%%-------------------------------------------------------------------
%%% @author Evgeny Khramtsov <ekhramtsov@process-one.net>
%%% Created : 15 Apr 2017 by Evgeny Khramtsov <ekhramtsov@process-one.net>
%%%
%%%
%%% ejabberd, Copyright (C) 2002-2018 ProcessOne
%%%
%%% This program is free software; you can redistribute it and/or
%%% modify it under the terms of the GNU General Public License as
%%% published by the Free Software Foundation; either version 2 of the
%%% License, or (at your option) any later version.
%%%
%%% This program is distributed in the hope that it will be useful,
%%% but WITHOUT ANY WARRANTY; without even the implied warranty of
%%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
%%% General Public License for more details.
%%%
%%% You should have received a copy of the GNU General Public License along
%%% with this program; if not, write to the Free Software Foundation, Inc.,
%%% 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
%%%
%%%-------------------------------------------------------------------
-module(ejabberd_sm_riak).
-behaviour(ejabberd_sm).
%% API
-export([init/0, set_session/1, delete_session/1, get_sessions/0,
get_sessions/1, get_sessions/2]).
-include("ejabberd_sm.hrl").
-include("logger.hrl").
%%%===================================================================
%%% API
%%%===================================================================
init() ->
clean_table().
set_session(Session) ->
ejabberd_riak:put(Session, session_schema(),
[{'2i', [{<<"us">>, Session#session.us}]}]).
delete_session(Session) ->
ejabberd_riak:delete(session, Session#session.sid).
get_sessions() ->
case ejabberd_riak:get(session, session_schema()) of
{ok, Ss} -> Ss;
{error, _} -> []
end.
get_sessions(LServer) ->
[S || S <- get_sessions(), element(2, S#session.us) == LServer].
get_sessions(U, S) ->
ejabberd_riak:get_by_index(session, session_schema(), <<"us">>, {U, S}).
%%%===================================================================
%%% Internal functions
%%%===================================================================
session_schema() ->
{record_info(fields, session), #session{}}.
clean_table() ->
%% TODO: not very efficient, rewrite using map-reduce or something
?DEBUG("Cleaning Riak 'sm' table...", []),
lists:foreach(
fun(#session{sid = {_, Pid} = SID}) when node(Pid) == node() ->
ejabberd_riak:delete(session, SID);
(_) ->
ok
end, get_sessions()).
|
