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https://github.com/processone/ejabberd.git
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b2a944a4a2
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
55 lines
1.6 KiB
Erlang
55 lines
1.6 KiB
Erlang
%%%----------------------------------------------------------------------
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%%% File : ejabberd_rdbms.erl
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%%% Author : Mickael Remond <mickael.remond@process-one.net>
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%%% Purpose : Manage the start of the database modules when needed
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%%% Created : 31 Jan 2003 by Alexey Shchepin <alexey@sevcom.net>
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%%% Id : $Id: $
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%%%----------------------------------------------------------------------
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-module(ejabberd_rdbms).
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-author('alexey@sevcom.net').
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-svn('$Revision: $ ').
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-export([start/0]).
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-include("ejabberd.hrl").
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start() ->
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%% Check if ejabberd has been compiled with ODBC
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case catch ejabberd_odbc_sup:module_info() of
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{'EXIT',{undef,_}} ->
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?INFO_MSG("ejabberd has not been compiled with relational database support. Skipping database startup.", []);
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_ ->
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%% If compiled with ODBC, start ODBC on the needed host
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start_hosts()
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end.
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%% Start relationnal DB module on the nodes where it is needed
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start_hosts() ->
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lists:foreach(
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fun(Host) ->
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case needs_odbc(Host) of
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true -> start_odbc(Host);
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false -> ok
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end
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end, ?MYHOSTS).
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%% Start the ODBC module on the given host
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start_odbc(Host) ->
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ChildSpec =
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{gen_mod:get_module_proc(Host, ejabberd_odbc_sup),
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{ejabberd_odbc_sup, start_link, [Host]},
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temporary,
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infinity,
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supervisor,
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[ejabberd_odbc_sup]},
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supervisor:start_child(ejabberd_sup, ChildSpec).
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%% Returns true if we have configured odbc_server for the given host
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needs_odbc(Host) ->
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LHost = jlib:nameprep(Host),
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case ejabberd_config:get_local_option({odbc_server, LHost}) of
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undefined ->
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false;
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_ -> true
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end.
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