83 lines
2.8 KiB
Erlang
83 lines
2.8 KiB
Erlang
%%%-------------------------------------------------------------------
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%%% @author Evgeny Khramtsov <ekhramtsov@process-one.net>
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%%% Created : 15 Apr 2017 by Evgeny Khramtsov <ekhramtsov@process-one.net>
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%%%
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%%%
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%%% ejabberd, Copyright (C) 2002-2018 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 along
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%%% with this program; if not, write to the Free Software Foundation, Inc.,
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%%% 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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%%%
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%%%-------------------------------------------------------------------
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-module(mod_carboncopy_riak).
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-behaviour(mod_carboncopy).
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%% API
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-export([init/2, enable/4, disable/3, list/2]).
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-include("logger.hrl").
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-include("mod_carboncopy.hrl").
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%%%===================================================================
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%%% API
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%%%===================================================================
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init(_Host, _Opts) ->
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clean_table().
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enable(LUser, LServer, LResource, NS) ->
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ejabberd_riak:put(#carboncopy{us = {LUser, LServer},
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resource = LResource,
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version = NS},
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carboncopy_schema(),
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[{i, {LUser, LServer, LResource}},
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{'2i', [{<<"us">>, {LUser, LServer}}]}]).
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disable(LUser, LServer, LResource) ->
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ejabberd_riak:delete(carboncopy, {LUser, LServer, LResource}).
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list(LUser, LServer) ->
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case ejabberd_riak:get_by_index(
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carboncopy, carboncopy_schema(),
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<<"us">>, {LUser, LServer}) of
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{ok, Rs} ->
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{ok, [{Resource, NS, Node}
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|| #carboncopy{resource = Resource,
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version = NS,
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node = Node} <- Rs]};
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{error, _} = Err ->
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Err
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end.
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%%%===================================================================
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%%% Internal functions
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%%%===================================================================
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carboncopy_schema() ->
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{record_info(fields, carboncopy), #carboncopy{}}.
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clean_table() ->
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?DEBUG("Cleaning Riak 'carboncopy' table...", []),
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case ejabberd_riak:get(carboncopy, carboncopy_schema()) of
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{ok, Rs} ->
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lists:foreach(
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fun(#carboncopy{us = {U, S}, resource = R, node = Node})
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when Node == node() ->
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ejabberd_riak:delete(carboncopy, {U, S, R});
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(_) ->
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ok
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end, Rs);
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{error, Reason} = Err ->
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?ERROR_MSG("Failed to clean Riak 'carboncopy' table: ~p", [Reason]),
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Err
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end.
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