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% Licensed under the Apache License, Version 2.0 (the "License"); you may not
% use this file except in compliance with the License. You may obtain a copy of
% the License at
%
% http://www.apache.org/licenses/LICENSE-2.0
%
% Unless required by applicable law or agreed to in writing, software
% distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
% WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
% License for the specific language governing permissions and limitations under
% the License.
-module(global_changes_sup).
-behavior(supervisor).
-export([start_link/0]).
-export([init/1]).
-export([handle_config_change/5]).
-export([handle_config_terminate/3]).
-define(LISTENER, global_changes_listener).
-define(SERVER, global_changes_server).
start_link() ->
supervisor:start_link({local, ?MODULE}, ?MODULE, []).
init([]) ->
{ok, {
{one_for_one, 5, 10},
couch_epi:register_service(global_changes_epi, [
{
config_listener_mon,
{config_listener_mon, start_link, [?MODULE, nil]},
permanent,
5000,
worker,
[config_listener_mon]
},
{
global_changes_server,
{global_changes_server, start_link, []},
permanent,
5000,
worker,
[global_changes_server]
}
])
}}.
handle_config_change("global_changes", "max_event_delay", MaxDelayStr, _, _) ->
try list_to_integer(MaxDelayStr) of
MaxDelay ->
gen_server:cast(?LISTENER, {set_max_event_delay, MaxDelay})
catch
error:badarg ->
ok
end,
{ok, nil};
handle_config_change("global_changes", "max_write_delay", MaxDelayStr, _, _) ->
try list_to_integer(MaxDelayStr) of
MaxDelay ->
gen_server:cast(?SERVER, {set_max_write_delay, MaxDelay})
catch
error:badarg ->
ok
end,
{ok, nil};
handle_config_change("global_changes", "update_db", "false", _, _) ->
gen_server:cast(?LISTENER, {set_update_db, false}),
gen_server:cast(?SERVER, {set_update_db, false}),
{ok, nil};
handle_config_change("global_changes", "update_db", _, _, _) ->
gen_server:cast(?LISTENER, {set_update_db, true}),
gen_server:cast(?SERVER, {set_update_db, true}),
{ok, nil};
handle_config_change(_, _, _, _, _) ->
{ok, nil}.
handle_config_terminate(_Server, _Reason, _State) ->
ok.
|
