%%%----------------------------------------------------------------------
%%% File : mod_bosh_sql.erl
%%% Author : Evgeny Khramtsov <ekhramtsov@process-one.net>
%%% Purpose :
%%% Created : 28 Mar 2017 by Evgeny Khramtsov <ekhramtsov@process-one.net>
%%%
%%%
%%% ejabberd, Copyright (C) 2017-2021 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_sql).
-behaviour(mod_bosh).
%% API
-export([init/0, open_session/2, close_session/1, find_session/1]).
-include("logger.hrl").
-include("ejabberd_sql_pt.hrl").
%%%===================================================================
%%% API
%%%===================================================================
init() ->
Node = erlang:atom_to_binary(node(), latin1),
?DEBUG("Cleaning SQL 'bosh' table...", []),
case ejabberd_sql:sql_query(
ejabberd_config:get_myname(), ?SQL("delete from bosh where node=%(Node)s")) of
{updated, _} ->
ok;
Err ->
?ERROR_MSG("Failed to clean 'route' table: ~p", [Err]),
Err
end.
open_session(SID, Pid) ->
PidS = misc:encode_pid(Pid),
Node = erlang:atom_to_binary(node(Pid), latin1),
case ?SQL_UPSERT(ejabberd_config:get_myname(), "bosh",
["!sid=%(SID)s",
"node=%(Node)s",
"pid=%(PidS)s"]) of
ok ->
ok;
_Err ->
{error, db_failure}
end.
close_session(SID) ->
case ejabberd_sql:sql_query(
ejabberd_config:get_myname(), ?SQL("delete from bosh where sid=%(SID)s")) of
{updated, _} ->
ok;
_Err ->
{error, db_failure}
end.
find_session(SID) ->
case ejabberd_sql:sql_query(
ejabberd_config:get_myname(),
?SQL("select @(pid)s, @(node)s from bosh where sid=%(SID)s")) of
{selected, [{Pid, Node}]} ->
try {ok, misc:decode_pid(Pid, Node)}
catch _:{bad_node, _} -> {error, notfound}
end;
{selected, []} ->
{error, notfound};
_Err ->
{error, db_failure}
end.
%%%===================================================================
%%% Internal functions
%%%===================================================================
