diff options
| -rw-r--r-- | src/mod_carboncopy_redis.erl | 112 | ||||
| -rw-r--r-- | test/ejabberd_SUITE_data/ejabberd.yml | 2 |
2 files changed, 113 insertions, 1 deletions
diff --git a/src/mod_carboncopy_redis.erl b/src/mod_carboncopy_redis.erl new file mode 100644 index 000000000..4485e3896 --- /dev/null +++ b/src/mod_carboncopy_redis.erl @@ -0,0 +1,112 @@ +%%%------------------------------------------------------------------- +%%% @author Evgeny Khramtsov <ekhramtsov@process-one.net> +%%% Created : 30 Mar 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_carboncopy_redis). +-behaviour(mod_carboncopy). + +%% API +-export([init/2, enable/4, disable/3, list/2]). + +-include("ejabberd.hrl"). +-include("logger.hrl"). + +%%%=================================================================== +%%% API +%%%=================================================================== +init(_Host, _Opts) -> + clean_table(). + +enable(LUser, LServer, LResource, NS) -> + USKey = us_key(LUser, LServer), + NodeKey = node_key(), + JID = jid:encode({LUser, LServer, LResource}), + case ejabberd_redis:qp([["HSET", USKey, LResource, NS], + ["SADD", NodeKey, JID]]) of + [{ok, _}, {ok, _}] -> + ok; + Err -> + ?ERROR_MSG("failed to write in redis: ~p", [Err]), + Err + end. + +disable(LUser, LServer, LResource) -> + USKey = us_key(LUser, LServer), + NodeKey = node_key(), + JID = jid:encode({LUser, LServer, LResource}), + case ejabberd_redis:qp([["HDEL", USKey, LResource], + ["SREM", NodeKey, JID]]) of + [{ok, _}, {ok, _}] -> + ok; + Err -> + ?ERROR_MSG("failed to delete from redis: ~p", [Err]), + Err + end. + +list(LUser, LServer) -> + USKey = us_key(LUser, LServer), + case ejabberd_redis:q(["HGETALL", USKey]) of + {ok, Vals} -> + decode_vals(Vals); + Err -> + ?ERROR_MSG("failed to read from redis: ~p", [Err]), + [] + end. + +%%%=================================================================== +%%% Internal functions +%%%=================================================================== +clean_table() -> + ?INFO_MSG("Cleaning Redis 'carboncopy' table...", []), + NodeKey = node_key(), + case ejabberd_redis:q(["SMEMBERS", NodeKey]) of + {ok, JIDs} -> + lists:foreach( + fun(JID) -> + {U, S, R} = jid:split(jid:decode(JID)), + USKey = us_key(U, S), + case ejabberd_redis:q(["HDEL", USKey, R]) of + {ok, _} -> + ok; + Err -> + ?ERROR_MSG("failed to delete from redis: ~p", + [Err]) + end + end, JIDs); + Err -> + ?ERROR_MSG("failed to read from redis: ~p", [Err]) + end, + case ejabberd_redis:q(["DEL", NodeKey]) of + {ok, _} -> ok; + Error -> ?ERROR_MSG("failed to delete from redis: ~p", [Error]) + end. + +us_key(LUser, LServer) -> + <<"ejabberd:carboncopy:users:", LUser/binary, $@, LServer/binary>>. + +node_key() -> + Node = erlang:atom_to_binary(node(), latin1), + <<"ejabberd:carboncopy:nodes:", Node/binary>>. + +decode_vals([Resource, NS|Vals]) -> + [{Resource, NS}|decode_vals(Vals)]; +decode_vals([]) -> + []. diff --git a/test/ejabberd_SUITE_data/ejabberd.yml b/test/ejabberd_SUITE_data/ejabberd.yml index f58a429ae..1db57ba44 100644 --- a/test/ejabberd_SUITE_data/ejabberd.yml +++ b/test/ejabberd_SUITE_data/ejabberd.yml @@ -290,7 +290,7 @@ Welcome to this XMPP server." mod_vcard_xupdate: db_type: internal mod_carboncopy: - ram_db_type: internal + ram_db_type: redis mod_client_state: queue_presence: true queue_chat_states: true |