79 lines
1.7 KiB
Erlang
79 lines
1.7 KiB
Erlang
%%%----------------------------------------------------------------------
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%%% File : gen_mod.erl
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%%% Author : Alexey Shchepin <alexey@sevcom.net>
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%%% Purpose :
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%%% Created : 24 Jan 2003 by Alexey Shchepin <alexey@sevcom.net>
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%%% Id : $Id$
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%%%----------------------------------------------------------------------
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-module(gen_mod).
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-author('alexey@sevcom.net').
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-vsn('$Revision$ ').
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-export([start/0,
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start_module/2,
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stop_module/1,
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get_opt/2,
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get_opt/3,
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loaded_modules/0]).
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-export([behaviour_info/1]).
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-include("ejabberd.hrl").
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-record(ejabberd_module, {module, opts}).
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behaviour_info(callbacks) ->
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[{start, 1},
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{stop, 0}];
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behaviour_info(Other) ->
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undefined.
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start() ->
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ets:new(ejabberd_modules, [named_table,
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public,
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{keypos, #ejabberd_module.module}]),
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ok.
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start_module(Module, Opts) ->
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case catch Module:start(Opts) of
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{'EXIT', Reason} ->
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?ERROR_MSG("~p", [Reason]);
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_ ->
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ets:insert(ejabberd_modules, #ejabberd_module{module = Module,
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opts = Opts}),
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ok
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end.
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stop_module(Module) ->
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case catch Module:stop() of
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{'EXIT', Reason} ->
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?ERROR_MSG("~p", [Reason]);
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_ ->
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ets:delete(ejabberd_modules, Module),
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ok
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end.
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get_opt(Opt, Opts) ->
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case lists:keysearch(Opt, 1, Opts) of
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false ->
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% TODO: replace with more appropriate function
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[] = {undefined_option, Opt};
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{value, {_, Val}} ->
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Val
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end.
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get_opt(Opt, Opts, Default) ->
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case lists:keysearch(Opt, 1, Opts) of
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false ->
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Default;
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{value, {_, Val}} ->
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Val
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end.
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loaded_modules() ->
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ets:select(ejabberd_modules,
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[{#ejabberd_module{_ = '_', module = '$1'}, [],['$1']}]).
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