mirror of
https://github.com/processone/ejabberd.git
synced 2024-11-22 16:20:52 +01:00
102 lines
3.2 KiB
Erlang
102 lines
3.2 KiB
Erlang
%%%----------------------------------------------------------------------
|
|
%%% File : ejabberd_rdbms.erl
|
|
%%% Author : Mickael Remond <mickael.remond@process-one.net>
|
|
%%% Purpose : Manage the start of the database modules when needed
|
|
%%% Created : 31 Jan 2003 by Alexey Shchepin <alexey@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(ejabberd_rdbms).
|
|
|
|
-behaviour(ejabberd_config).
|
|
|
|
-author('alexey@process-one.net').
|
|
|
|
-export([start/0, opt_type/1]).
|
|
|
|
-include("ejabberd.hrl").
|
|
-include("logger.hrl").
|
|
|
|
start() ->
|
|
file:delete(ejabberd_sql:freetds_config()),
|
|
file:delete(ejabberd_sql:odbc_config()),
|
|
file:delete(ejabberd_sql:odbcinst_config()),
|
|
case lists:any(fun(H) -> needs_sql(H) /= false end,
|
|
?MYHOSTS) of
|
|
true ->
|
|
start_hosts();
|
|
false ->
|
|
ok
|
|
end.
|
|
|
|
%% Start relationnal DB module on the nodes where it is needed
|
|
start_hosts() ->
|
|
lists:foreach(fun (Host) ->
|
|
case needs_sql(Host) of
|
|
{true, App} -> start_sql(Host, App);
|
|
false -> ok
|
|
end
|
|
end,
|
|
?MYHOSTS).
|
|
|
|
%% Start the SQL module on the given host
|
|
start_sql(Host, App) ->
|
|
ejabberd:start_app(App),
|
|
Supervisor_name = gen_mod:get_module_proc(Host,
|
|
ejabberd_sql_sup),
|
|
ChildSpec = {Supervisor_name,
|
|
{ejabberd_sql_sup, start_link, [Host]}, transient,
|
|
infinity, supervisor, [ejabberd_sql_sup]},
|
|
case supervisor:start_child(ejabberd_sup, ChildSpec) of
|
|
{ok, _PID} -> ok;
|
|
_Error ->
|
|
?ERROR_MSG("Start of supervisor ~p failed:~n~p~nRetrying."
|
|
"..~n",
|
|
[Supervisor_name, _Error]),
|
|
start_sql(Host, App)
|
|
end.
|
|
|
|
%% Returns {true, App} if we have configured sql for the given host
|
|
needs_sql(Host) ->
|
|
LHost = jid:nameprep(Host),
|
|
case ejabberd_config:get_option({sql_type, LHost},
|
|
fun(mysql) -> mysql;
|
|
(pgsql) -> pgsql;
|
|
(sqlite) -> sqlite;
|
|
(mssql) -> mssql;
|
|
(odbc) -> odbc
|
|
end, undefined) of
|
|
mysql -> {true, p1_mysql};
|
|
pgsql -> {true, p1_pgsql};
|
|
sqlite -> {true, sqlite3};
|
|
mssql -> {true, odbc};
|
|
odbc -> {true, odbc};
|
|
undefined -> false
|
|
end.
|
|
|
|
opt_type(sql_type) ->
|
|
fun (mysql) -> mysql;
|
|
(pgsql) -> pgsql;
|
|
(sqlite) -> sqlite;
|
|
(mssql) -> mssql;
|
|
(odbc) -> odbc
|
|
end;
|
|
opt_type(_) -> [sql_type].
|