71 lines
2.3 KiB
Erlang
71 lines
2.3 KiB
Erlang
%% @author Bart Van Der Meerssche <bart.vandermeerssche@flukso.net>
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%% @copyright (C) 2009-2011 Bart Van Der Meerssche
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%%%
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%%% This program is free software: you can redistribute it and/or modify
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%%% it under the terms of the GNU General Public License as published by
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%%% the Free Software Foundation, either version 3 of the License, or
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%%% (at your option) any later version.
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%%%
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%%% This program is distributed in the hope that it will be useful,
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%%% but WITHOUT ANY WARRANTY; without even the implied warranty of
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%%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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%%% GNU General Public License for more details.
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%%%
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%%% You should have received a copy of the GNU General Public License
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%%% along with this program. If not, see <http://www.gnu.org/licenses/>.
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%%%
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%% @doc Supervisor for the flukso application.
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-module(flukso_sup).
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-author('Bart Van Der Meerssche <bart.vandermeerssche@flukso.net>').
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-behaviour(supervisor).
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%% External exports
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-export([start_link/0, upgrade/0]).
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%% supervisor callbacks
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-export([init/1]).
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%% @spec start_link() -> ServerRet
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%% @doc API for starting the supervisor.
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start_link() ->
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supervisor:start_link({local, ?MODULE}, ?MODULE, []).
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%% @spec upgrade() -> ok
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%% @doc Add processes if necessary.
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upgrade() ->
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{ok, {_, Specs}} = init([]),
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Old = sets:from_list(
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[Name || {Name, _, _, _} <- supervisor:which_children(?MODULE)]),
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New = sets:from_list([Name || {Name, _, _, _, _, _} <- Specs]),
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Kill = sets:subtract(Old, New),
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sets:fold(fun (Id, ok) ->
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supervisor:terminate_child(?MODULE, Id),
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supervisor:delete_child(?MODULE, Id),
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ok
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end, ok, Kill),
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[supervisor:start_child(?MODULE, Spec) || Spec <- Specs],
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ok.
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%% @spec init([]) -> SupervisorTree
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%% @doc supervisor callback.
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init([]) ->
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Ip = case os:getenv("WEBMACHINE_IP") of false -> "127.0.0.1"; Any -> Any end,
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{ok, Dispatch} = file:consult(filename:join(
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[filename:dirname(code:which(?MODULE)),
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"..", "priv", "dispatch.conf"])),
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WebConfig = [
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{ip, Ip},
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{port, 9999},
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{log_dir, "var/log"},
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{dispatch, Dispatch}],
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Web = {webmachine_mochiweb,
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{webmachine_mochiweb, start, [WebConfig]},
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permanent, 5000, worker, dynamic},
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Processes = [Web],
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{ok, {{one_for_one, 10, 10}, Processes}}.
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