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%%%-------------------------------------------------------------------
%%% @author Evgeny Khramtsov <ekhramtsov@process-one.net>
%%% Created : 29 Mar 2017 by Evgeny Khramtsov <ekhramtsov@process-one.net>
%%%
%%%
%%% ejabberd, Copyright (C) 2002-2018 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_sql).
-behaviour(mod_carboncopy).
-compile([{parse_transform, ejabberd_sql_pt}]).
%% API
-export([init/2, enable/4, disable/3, list/2]).
-include("logger.hrl").
-include("ejabberd_sql_pt.hrl").
%%%===================================================================
%%% API
%%%===================================================================
init(Host, _Opts) ->
clean_table(Host).
enable(LUser, LServer, LResource, NS) ->
NodeS = erlang:atom_to_binary(node(), latin1),
case ?SQL_UPSERT(LServer, "carboncopy",
["!username=%(LUser)s",
"!server_host=%(LServer)s",
"!resource=%(LResource)s",
"namespace=%(NS)s",
"node=%(NodeS)s"]) of
ok ->
ok;
_Err ->
{error, db_failure}
end.
disable(LUser, LServer, LResource) ->
case ejabberd_sql:sql_query(
LServer,
?SQL("delete from carboncopy where username=%(LUser)s "
"and %(LServer)H and resource=%(LResource)s")) of
{updated, _} ->
ok;
_Err ->
{error, db_failure}
end.
list(LUser, LServer) ->
case ejabberd_sql:sql_query(
LServer,
?SQL("select @(resource)s, @(namespace)s, @(node)s from carboncopy "
"where username=%(LUser)s and %(LServer)H")) of
{selected, Rows} ->
{ok, [{Resource, NS, binary_to_atom(Node, latin1)}
|| {Resource, NS, Node} <- Rows]};
_Err ->
{error, db_failure}
end.
%%%===================================================================
%%% Internal functions
%%%===================================================================
clean_table(LServer) ->
NodeS = erlang:atom_to_binary(node(), latin1),
?DEBUG("Cleaning SQL 'carboncopy' table...", []),
case ejabberd_sql:sql_query(
LServer,
?SQL("delete from carboncopy where node=%(NodeS)s")) of
{updated, _} ->
ok;
Err ->
?ERROR_MSG("failed to clean 'carboncopy' table: ~p", [Err]),
{error, db_failure}
end.
|
