mirror of
https://github.com/processone/ejabberd.git
synced 2024-11-22 16:20:52 +01:00
88 lines
2.9 KiB
Erlang
88 lines
2.9 KiB
Erlang
%%%-------------------------------------------------------------------
|
|
%%% File : mod_last_mnesia.erl
|
|
%%% Author : Evgeny Khramtsov <ekhramtsov@process-one.net>
|
|
%%% Created : 13 Apr 2016 by Evgeny Khramtsov <ekhramtsov@process-one.net>
|
|
%%%
|
|
%%%
|
|
%%% ejabberd, Copyright (C) 2002-2020 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(mod_last_mnesia).
|
|
|
|
-behaviour(mod_last).
|
|
|
|
%% API
|
|
-export([init/2, import/2, get_last/2, store_last_info/4,
|
|
remove_user/2, use_cache/1]).
|
|
-export([need_transform/1, transform/1]).
|
|
|
|
-include("mod_last.hrl").
|
|
-include("logger.hrl").
|
|
|
|
%%%===================================================================
|
|
%%% API
|
|
%%%===================================================================
|
|
init(_Host, _Opts) ->
|
|
ejabberd_mnesia:create(?MODULE, last_activity,
|
|
[{disc_only_copies, [node()]},
|
|
{attributes, record_info(fields, last_activity)}]).
|
|
|
|
use_cache(Host) ->
|
|
case mnesia:table_info(last_activity, storage_type) of
|
|
disc_only_copies ->
|
|
mod_last_opt:use_cache(Host);
|
|
_ ->
|
|
false
|
|
end.
|
|
|
|
get_last(LUser, LServer) ->
|
|
case mnesia:dirty_read(last_activity, {LUser, LServer}) of
|
|
[] ->
|
|
error;
|
|
[#last_activity{timestamp = TimeStamp,
|
|
status = Status}] ->
|
|
{ok, {TimeStamp, Status}}
|
|
end.
|
|
|
|
store_last_info(LUser, LServer, TimeStamp, Status) ->
|
|
mnesia:dirty_write(#last_activity{us = {LUser, LServer},
|
|
timestamp = TimeStamp,
|
|
status = Status}).
|
|
|
|
remove_user(LUser, LServer) ->
|
|
US = {LUser, LServer},
|
|
mnesia:dirty_delete({last_activity, US}).
|
|
|
|
import(_LServer, #last_activity{} = LA) ->
|
|
mnesia:dirty_write(LA).
|
|
|
|
need_transform({last_activity, {U, S}, _, Status})
|
|
when is_list(U) orelse is_list(S) orelse is_list(Status) ->
|
|
?INFO_MSG("Mnesia table 'last_activity' will be converted to binary", []),
|
|
true;
|
|
need_transform(_) ->
|
|
false.
|
|
|
|
transform(#last_activity{us = {U, S}, status = Status} = R) ->
|
|
R#last_activity{us = {iolist_to_binary(U), iolist_to_binary(S)},
|
|
status = iolist_to_binary(Status)}.
|
|
|
|
%%%===================================================================
|
|
%%% Internal functions
|
|
%%%===================================================================
|