mirror of
https://github.com/processone/ejabberd.git
synced 2024-12-12 17:01:52 +01:00
51e811f8fb
SVN Revision: 66
157 lines
3.7 KiB
Erlang
157 lines
3.7 KiB
Erlang
%%%----------------------------------------------------------------------
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%%% File : ejabberd_config.erl
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%%% Author : Alexey Shchepin <alexey@sevcom.net>
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%%% Purpose :
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%%% Created : 14 Dec 2002 by Alexey Shchepin <alexey@sevcom.net>
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%%% Id : $Id$
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%%%----------------------------------------------------------------------
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-module(ejabberd_config).
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-author('alexey@sevcom.net').
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-vsn('$Revision$ ').
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-export([start/0, load_file/1,
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add_global_option/2, add_local_option/2,
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get_global_option/1, get_local_option/1]).
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-include("ejabberd.hrl").
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-record(config, {key, value}).
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-record(local_config, {key, value}).
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-record(state, {opts = [],
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override_local = false,
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override_global = false,
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override_acls = false}).
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start() ->
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%ets:new(ejabberd_config, [named_table, public]),
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mnesia:create_table(config,
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[{disc_copies, [node()]},
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{attributes, record_info(fields, config)}]),
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mnesia:add_table_copy(config, node(), ram_copies),
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mnesia:create_table(local_config,
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[{disc_copies, [node()]},
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{local_content, true},
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{attributes, record_info(fields, local_config)}]),
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mnesia:add_table_copy(local_config, node(), ram_copies),
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load_file(?CONFIG_PATH).
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load_file(File) ->
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case file:consult(File) of
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{ok, Terms} ->
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Res = lists:foldl(fun process_term/2, #state{}, Terms),
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set_opts(Res);
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{error, Reason} ->
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?ERROR_MSG("~p", [Reason]),
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exit(file:format_error(Reason))
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end.
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process_term(Term, State) ->
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case Term of
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override_global ->
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State#state{override_global = true};
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override_local ->
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State#state{override_local = true};
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override_acls ->
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State#state{override_acls = true};
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{acl, ACLName, ACLData} ->
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State#state{opts =
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[acl:to_record(ACLName, ACLData) | State#state.opts]};
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{access, RuleName, Rules} ->
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State#state{opts = [#config{key = {access, RuleName},
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value = Rules} |
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State#state.opts]};
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{shaper, Name, Data} ->
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State#state{opts = [#config{key = {shaper, Name},
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value = Data} |
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State#state.opts]};
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{Opt, Val} ->
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add_option(Opt, Val, State)
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end.
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add_option(Opt, Val, State) ->
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Table = case Opt of
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host ->
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config;
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_ ->
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local_config
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end,
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case Table of
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config ->
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State#state{opts = [#config{key = Opt, value = Val} |
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State#state.opts]};
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local_config ->
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State#state{opts = [#local_config{key = Opt, value = Val} |
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State#state.opts]}
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end.
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set_opts(State) ->
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Opts = lists:reverse(State#state.opts),
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F = fun() ->
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if
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State#state.override_global ->
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Ksg = mnesia:all_keys(config),
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lists:foreach(fun(K) ->
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mnesia:delete({config, K})
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end, Ksg);
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true ->
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ok
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end,
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if
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State#state.override_local ->
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Ksl = mnesia:all_keys(local_config),
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lists:foreach(fun(K) ->
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mnesia:delete({local_config, K})
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end, Ksl);
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true ->
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ok
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end,
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if
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State#state.override_acls ->
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Ksa = mnesia:all_keys(acl),
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lists:foreach(fun(K) ->
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mnesia:delete({acl, K})
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end, Ksa);
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true ->
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ok
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end,
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lists:foreach(fun(R) ->
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mnesia:write(R)
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end, Opts)
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end,
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{atomic, _} = mnesia:transaction(F).
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add_global_option(Opt, Val) ->
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mnesia:transaction(fun() ->
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mnesia:write(#config{key = Opt,
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value = Val})
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end).
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add_local_option(Opt, Val) ->
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mnesia:transaction(fun() ->
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mnesia:write(#local_config{key = Opt,
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value = Val})
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end).
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get_global_option(Opt) ->
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case ets:lookup(config, Opt) of
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[#config{value = Val}] ->
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Val;
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_ ->
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undefined
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end.
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get_local_option(Opt) ->
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case ets:lookup(local_config, Opt) of
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[#local_config{value = Val}] ->
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Val;
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_ ->
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undefined
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end.
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