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xmpp.chapril.org-ejabberd/src/ejabberd_rdbms.erl
Mickaël Rémond b2a944a4a2 * src/ejabberd_rdbms.erl: It is now possible to use ldap or
internal authentication with some other modules using relationnal
database storage (EJAB-152). Refactored relational databases
connections initialisation.
* src/ejabberd_auth_odbc.erl: Likewise. odbc supervisor startup is now
delegated to the ejabberd rdbms module.
* src/ejabberd_app.erl: Likewise.

SVN Revision: 664
2006-10-25 07:56:49 +00:00

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.