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Add Riak as BOSH RAM backend

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Evgeniy Khramtsov 2017-04-15 13:52:36 +03:00
parent 598c79ff86
commit 72b536b52d
1 changed files with 71 additions and 0 deletions
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src/mod_bosh_riak.erl Normal file
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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) 2002-2017 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_bosh_riak).
-behaviour(mod_bosh).
%% API
-export([init/0, open_session/2, close_session/1, find_session/1]).
-record(bosh, {sid :: binary(),
pid :: pid()}).
-include("logger.hrl").
%%%===================================================================
%%% API
%%%===================================================================
init() ->
clean_table().
open_session(SID, Pid) ->
ejabberd_riak:put(#bosh{sid = SID, pid = Pid}, bosh_schema()).
close_session(SID) ->
ejabberd_riak:delete(bosh, SID).
find_session(SID) ->
case ejabberd_riak:get(bosh, bosh_schema(), SID) of
{ok, #bosh{pid = Pid}} -> {ok, Pid};
{error, _} = Err -> Err
end.
%%%===================================================================
%%% Internal functions
%%%===================================================================
bosh_schema() ->
{record_info(fields, bosh), #bosh{}}.
clean_table() ->
?INFO_MSG("Cleaning Riak 'bosh' table...", []),
case ejabberd_riak:get(bosh, bosh_schema()) of
{ok, Rs} ->
lists:foreach(
fun(#bosh{sid = SID, pid = Pid}) when node(Pid) == node() ->
ejabberd_riak:delete(bosh, SID);
(_) ->
ok
end, Rs);
{error, Reason} = Err ->
?ERROR_MSG("failed to clean Riak 'bosh' table: ~p", [Reason]),
Err
end.