%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 1997-2016. All Rights Reserved.
%%
%% 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.
%%
%% %CopyrightEnd%
%%
%%
%%----------------------------------------------------------------------
%% Purpose: The top supervisor for the inets application
%%----------------------------------------------------------------------
-module(inets_sup).
-behaviour(supervisor).
%% External API
-export([start_link/0]).
%% Supervisor callbacks
-export([init/1]).
%%%=========================================================================
%%% External functions
%%%=========================================================================
start_link() ->
supervisor:start_link({local, ?MODULE}, ?MODULE, []).
%%%=========================================================================
%%% Supervisor callback
%%%=========================================================================
init([]) ->
SupFlags = {one_for_one, 10, 3600},
Children = children(),
{ok, {SupFlags, Children}}.
%%%=========================================================================
%%% Internal functions
%%%=========================================================================
get_services() ->
case (catch application:get_env(inets, services)) of
{ok, Services} ->
Services;
_ ->
[]
end.
children() ->
Services = get_services(),
HttpdServices = [Service || Service <- Services, is_httpd(Service)],
HttpcServices = [Service || Service <- Services, is_httpc(Service)],
TftpdServices = [Service || Service <- Services, is_tftpd(Service)],
[ftp_child_spec(), httpc_child_spec(HttpcServices),
httpd_child_spec(HttpdServices), tftpd_child_spec(TftpdServices)].
ftp_child_spec() ->
Name = ftp_sup,
StartFunc = {ftp_sup, start_link, []},
Restart = permanent,
Shutdown = infinity,
Modules = [ftp_sup],
Type = supervisor,
{Name, StartFunc, Restart, Shutdown, Type, Modules}.
httpc_child_spec(HttpcServices0) ->
HttpcServices = default_profile(HttpcServices0, []),
Name = httpc_sup,
StartFunc = {httpc_sup, start_link, [HttpcServices]},
Restart = permanent,
Shutdown = infinity,
Modules = [httpc_sup],
Type = supervisor,
{Name, StartFunc, Restart, Shutdown, Type, Modules}.
httpd_child_spec(HttpdServices) ->
Name = httpd_sup,
StartFunc = {httpd_sup, start_link, [HttpdServices]},
Restart = permanent,
Shutdown = infinity,
Modules = [httpd_sup],
Type = supervisor,
{Name, StartFunc, Restart, Shutdown, Type, Modules}.
tftpd_child_spec(TftpServices) ->
Name = tftp_sup,
StartFunc = {tftp_sup, start_link, [TftpServices]},
Restart = permanent,
Shutdown = infinity,
Modules = [tftp_sup],
Type = supervisor,
{Name, StartFunc, Restart, Shutdown, Type, Modules}.
is_httpd({httpd, _}) ->
true;
is_httpd({httpd, _, _}) ->
true;
is_httpd(_) ->
false.
is_httpc({httpc, _}) ->
true;
is_httpc(_) ->
false.
is_tftpd({tftpd, _}) ->
true;
is_tftpd(_) ->
false.
default_profile([], Acc) ->
[{httpc, {default, only_session_cookies}} | Acc];
default_profile([{httpc, {default, _}} | _] = Profiles, Acc) ->
Profiles ++ Acc;
default_profile([Profile | Profiles], Acc) ->
default_profile(Profiles, [Profile | Acc]).
