161 lines
3.8 KiB
Erlang
161 lines
3.8 KiB
Erlang
%%%----------------------------------------------------------------------
|
|
%%% File : ejabberd_config.erl
|
|
%%% Author : Alexey Shchepin <alexey@sevcom.net>
|
|
%%% Purpose :
|
|
%%% Created : 14 Dec 2002 by Alexey Shchepin <alexey@sevcom.net>
|
|
%%% Id : $Id$
|
|
%%%----------------------------------------------------------------------
|
|
|
|
-module(ejabberd_config).
|
|
-author('alexey@sevcom.net').
|
|
-vsn('$Revision$ ').
|
|
|
|
-export([start/0, load_file/1,
|
|
add_global_option/2, add_local_option/2,
|
|
get_global_option/1, get_local_option/1]).
|
|
|
|
-include("ejabberd.hrl").
|
|
|
|
-record(config, {key, value}).
|
|
-record(local_config, {key, value}).
|
|
-record(state, {opts = [],
|
|
override_local = false,
|
|
override_global = false,
|
|
override_acls = false}).
|
|
|
|
start() ->
|
|
%ets:new(ejabberd_config, [named_table, public]),
|
|
mnesia:create_table(config,
|
|
[{disc_copies, [node()]},
|
|
{attributes, record_info(fields, config)}]),
|
|
mnesia:add_table_copy(config, node(), ram_copies),
|
|
mnesia:create_table(local_config,
|
|
[{disc_copies, [node()]},
|
|
{local_content, true},
|
|
{attributes, record_info(fields, local_config)}]),
|
|
mnesia:add_table_copy(local_config, node(), ram_copies),
|
|
Config = case application:get_env(config) of
|
|
{ok, Path} -> Path;
|
|
undefined -> ?CONFIG_PATH
|
|
end,
|
|
load_file(Config).
|
|
|
|
|
|
load_file(File) ->
|
|
case file:consult(File) of
|
|
{ok, Terms} ->
|
|
Res = lists:foldl(fun process_term/2, #state{}, Terms),
|
|
set_opts(Res);
|
|
{error, Reason} ->
|
|
?ERROR_MSG("Can't load config file ~p: ~p", [File, Reason]),
|
|
exit(file:format_error(Reason))
|
|
end.
|
|
|
|
process_term(Term, State) ->
|
|
case Term of
|
|
override_global ->
|
|
State#state{override_global = true};
|
|
override_local ->
|
|
State#state{override_local = true};
|
|
override_acls ->
|
|
State#state{override_acls = true};
|
|
{acl, ACLName, ACLData} ->
|
|
State#state{opts =
|
|
[acl:to_record(ACLName, ACLData) | State#state.opts]};
|
|
{access, RuleName, Rules} ->
|
|
State#state{opts = [#config{key = {access, RuleName},
|
|
value = Rules} |
|
|
State#state.opts]};
|
|
{shaper, Name, Data} ->
|
|
State#state{opts = [#config{key = {shaper, Name},
|
|
value = Data} |
|
|
State#state.opts]};
|
|
{Opt, Val} ->
|
|
add_option(Opt, Val, State)
|
|
end.
|
|
|
|
add_option(Opt, Val, State) ->
|
|
Table = case Opt of
|
|
host ->
|
|
config;
|
|
_ ->
|
|
local_config
|
|
end,
|
|
case Table of
|
|
config ->
|
|
State#state{opts = [#config{key = Opt, value = Val} |
|
|
State#state.opts]};
|
|
local_config ->
|
|
State#state{opts = [#local_config{key = Opt, value = Val} |
|
|
State#state.opts]}
|
|
end.
|
|
|
|
|
|
set_opts(State) ->
|
|
Opts = lists:reverse(State#state.opts),
|
|
F = fun() ->
|
|
if
|
|
State#state.override_global ->
|
|
Ksg = mnesia:all_keys(config),
|
|
lists:foreach(fun(K) ->
|
|
mnesia:delete({config, K})
|
|
end, Ksg);
|
|
true ->
|
|
ok
|
|
end,
|
|
if
|
|
State#state.override_local ->
|
|
Ksl = mnesia:all_keys(local_config),
|
|
lists:foreach(fun(K) ->
|
|
mnesia:delete({local_config, K})
|
|
end, Ksl);
|
|
true ->
|
|
ok
|
|
end,
|
|
if
|
|
State#state.override_acls ->
|
|
Ksa = mnesia:all_keys(acl),
|
|
lists:foreach(fun(K) ->
|
|
mnesia:delete({acl, K})
|
|
end, Ksa);
|
|
true ->
|
|
ok
|
|
end,
|
|
lists:foreach(fun(R) ->
|
|
mnesia:write(R)
|
|
end, Opts)
|
|
end,
|
|
{atomic, _} = mnesia:transaction(F).
|
|
|
|
|
|
add_global_option(Opt, Val) ->
|
|
mnesia:transaction(fun() ->
|
|
mnesia:write(#config{key = Opt,
|
|
value = Val})
|
|
end).
|
|
|
|
add_local_option(Opt, Val) ->
|
|
mnesia:transaction(fun() ->
|
|
mnesia:write(#local_config{key = Opt,
|
|
value = Val})
|
|
end).
|
|
|
|
|
|
get_global_option(Opt) ->
|
|
case ets:lookup(config, Opt) of
|
|
[#config{value = Val}] ->
|
|
Val;
|
|
_ ->
|
|
undefined
|
|
end.
|
|
|
|
get_local_option(Opt) ->
|
|
case ets:lookup(local_config, Opt) of
|
|
[#local_config{value = Val}] ->
|
|
Val;
|
|
_ ->
|
|
undefined
|
|
end.
|
|
|
|
|