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%% @author author <author@example.com>
%% @copyright YYYY author.
%% @doc Supervisor for the fuzzer application.
-module(fuzzer_sup).
-author('author <author@example.com>').
-behaviour(supervisor).
%% External exports
-export([start_link/0, upgrade/0]).
%% supervisor callbacks
-export([init/1]).
%% @spec start_link() -> ServerRet
%% @doc API for starting the supervisor.
start_link() ->
supervisor:start_link({local, ?MODULE}, ?MODULE, []).
%% @spec upgrade() -> ok
%% @doc Add processes if necessary.
upgrade() ->
{ok, {_, Specs}} = init([]),
Old = sets:from_list(
[Name || {Name, _, _, _} <- supervisor:which_children(?MODULE)]),
New = sets:from_list([Name || {Name, _, _, _, _, _} <- Specs]),
Kill = sets:subtract(Old, New),
sets:fold(fun (Id, ok) ->
supervisor:terminate_child(?MODULE, Id),
supervisor:delete_child(?MODULE, Id),
ok
end, ok, Kill),
[supervisor:start_child(?MODULE, Spec) || Spec <- Specs],
ok.
%% @spec init([]) -> SupervisorTree
%% @doc supervisor callback.
init([]) ->
Ip = case os:getenv("WEBMACHINE_IP") of false -> "0.0.0.0"; Any -> Any end,
{ok, Dispatch} = file:consult(filename:join(
[filename:dirname(code:which(?MODULE)),
"..", "priv", "dispatch.conf"])),
WebConfig = [
{ip, Ip},
{port, 8000},
{log_dir, "priv/log"},
{dispatch, Dispatch}],
Web = {webmachine_mochiweb,
{webmachine_mochiweb, start, [WebConfig]},
permanent, 5000, worker, dynamic},
Processes = [Web],
{ok, { {one_for_one, 10, 10}, Processes} }.
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