mirror of
https://github.com/processone/ejabberd.git
synced 2024-11-26 16:26:24 +01:00
55 lines
1.6 KiB
Erlang
55 lines
1.6 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@sevcom.net>
|
|
%%% Id : $Id$
|
|
%%%----------------------------------------------------------------------
|
|
|
|
-module(ejabberd_rdbms).
|
|
-author('alexey@sevcom.net').
|
|
-svn('$Revision$ ').
|
|
|
|
-export([start/0]).
|
|
-include("ejabberd.hrl").
|
|
|
|
start() ->
|
|
%% Check if ejabberd has been compiled with ODBC
|
|
case catch ejabberd_odbc_sup:module_info() of
|
|
{'EXIT',{undef,_}} ->
|
|
?INFO_MSG("ejabberd has not been compiled with relational database support. Skipping database startup.", []);
|
|
_ ->
|
|
%% If compiled with ODBC, start ODBC on the needed host
|
|
start_hosts()
|
|
end.
|
|
|
|
%% Start relationnal DB module on the nodes where it is needed
|
|
start_hosts() ->
|
|
lists:foreach(
|
|
fun(Host) ->
|
|
case needs_odbc(Host) of
|
|
true -> start_odbc(Host);
|
|
false -> ok
|
|
end
|
|
end, ?MYHOSTS).
|
|
|
|
%% Start the ODBC module on the given host
|
|
start_odbc(Host) ->
|
|
ChildSpec =
|
|
{gen_mod:get_module_proc(Host, ejabberd_odbc_sup),
|
|
{ejabberd_odbc_sup, start_link, [Host]},
|
|
temporary,
|
|
infinity,
|
|
supervisor,
|
|
[ejabberd_odbc_sup]},
|
|
supervisor:start_child(ejabberd_sup, ChildSpec).
|
|
|
|
%% Returns true if we have configured odbc_server for the given host
|
|
needs_odbc(Host) ->
|
|
LHost = jlib:nameprep(Host),
|
|
case ejabberd_config:get_local_option({odbc_server, LHost}) of
|
|
undefined ->
|
|
false;
|
|
_ -> true
|
|
end.
|