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-rw-r--r--src/mod_proxy65_riak.erl111
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diff --git a/src/mod_proxy65_riak.erl b/src/mod_proxy65_riak.erl
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--- a/src/mod_proxy65_riak.erl
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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) 2002-2019 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_proxy65_riak).
--behaviour(mod_proxy65).
-
-%% API
--export([init/0, register_stream/2, unregister_stream/1, activate_stream/4]).
-
--include("logger.hrl").
-
--record(proxy65, {sid :: binary(),
- pid_t :: pid(),
- pid_i :: pid() | undefined,
- jid_i :: binary() | undefined}).
-
-%%%===================================================================
-%%% API
-%%%===================================================================
-init() ->
- clean_table().
-
-register_stream(SID, Pid) ->
- case ejabberd_riak:get(proxy65, proxy65_schema(), SID) of
- {error, notfound} ->
- ejabberd_riak:put(#proxy65{sid = SID, pid_t = Pid},
- proxy65_schema());
- {ok, #proxy65{pid_i = undefined} = R} ->
- ejabberd_riak:put(R#proxy65{pid_i = Pid},
- proxy65_schema());
- {ok, _} ->
- {error, conflict};
- {error, _} ->
- {error, db_failure}
- end.
-
-unregister_stream(SID) ->
- case ejabberd_riak:delete(proxy65, SID) of
- ok -> ok;
- {error, _} -> {error, db_failure}
- end.
-
-activate_stream(SID, IJID, MaxConnections, _Node) ->
- try
- case ejabberd_riak:get(proxy65, proxy65_schema(), SID) of
- {ok, #proxy65{pid_t = TPid, pid_i = IPid,
- jid_i = undefined} = R} when is_pid(IPid) ->
- {ok, Num} = ejabberd_riak:count_by_index(
- proxy65, <<"jid_i">>, IJID),
- if Num >= MaxConnections ->
- {error, {limit, IPid, TPid}};
- true ->
- ok = ejabberd_riak:put(
- R#proxy65{jid_i = IJID},
- proxy65_schema(),
- [{'2i', [{<<"jid_i">>, IJID}]}]),
- {ok, IPid, TPid}
- end;
- {ok, #proxy65{jid_i = JID}} ->
- if is_binary(JID) -> {error, conflict};
- true -> {error, notfound}
- end;
- {error, _} = Err ->
- Err
- end
- catch _:{badmatch, {error, _}} ->
- {error, db_failure}
- end.
-
-%%%===================================================================
-%%% Internal functions
-%%%===================================================================
-proxy65_schema() ->
- {record_info(fields, proxy65), #proxy65{sid = <<>>, pid_t = self()}}.
-
-clean_table() ->
- ?DEBUG("Cleaning Riak 'proxy65' table...", []),
- case ejabberd_riak:get(proxy65, proxy65_schema()) of
- {ok, Rs} ->
- lists:foreach(
- fun(#proxy65{sid = SID, pid_t = TPid, pid_i = IPid}) ->
- if node(TPid) == node() orelse
- (is_pid(IPid) andalso node(IPid) == node()) ->
- ejabberd_riak:delete(proxy65, SID);
- true ->
- ok
- end
- end, Rs);
- {error, Reason} = Err ->
- ?ERROR_MSG("Failed to clean Riak 'proxy65' table: ~p", [Reason]),
- Err
- end.