%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2001-2016. 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 supervisor for auth and sec processes in the http server,
%% hangs under the httpd_instance_sup_<Addr>_<Port> supervisor.
%%----------------------------------------------------------------------
-module(httpd_misc_sup).
-behaviour(supervisor).
%% API
-export([start_link/3, start_auth_server/3, stop_auth_server/3,
start_sec_server/3, stop_sec_server/3]).
%% Supervisor callback
-export([init/1]).
%%%=========================================================================
%%% API
%%%=========================================================================
start_link(Addr, Port, Profile) ->
SupName = make_name(Addr, Port, Profile),
supervisor:start_link({local, SupName}, ?MODULE, []).
%%----------------------------------------------------------------------
%% Function: [start|stop]_[auth|sec]_server/3
%% Description: Starts a [auth | security] worker (child) process
%%----------------------------------------------------------------------
start_auth_server(Addr, Port, Profile) ->
start_permanent_worker(mod_auth_server, Addr, Port, Profile, [gen_server]).
stop_auth_server(Addr, Port, Profile) ->
stop_permanent_worker(mod_auth_server, Addr, Port, Profile).
start_sec_server(Addr, Port, Profile) ->
start_permanent_worker(mod_security_server, Addr, Port, Profile, [gen_server]).
stop_sec_server(Addr, Port, Profile) ->
stop_permanent_worker(mod_security_server, Addr, Port, Profile).
%%%=========================================================================
%%% Supervisor callback
%%%=========================================================================
init(_) ->
Flags = {one_for_one, 0, 1},
Workers = [],
{ok, {Flags, Workers}}.
%%%=========================================================================
%%% Internal functions
%%%=========================================================================
start_permanent_worker(Mod, Addr, Port, Profile, Modules) ->
SupName = make_name(Addr, Port, Profile),
Spec = {{Mod, Addr, Port},
{Mod, start_link, [Addr, Port, Profile]},
permanent, timer:seconds(1), worker, [Mod] ++ Modules},
supervisor:start_child(SupName, Spec).
stop_permanent_worker(Mod, Addr, Port, Profile) ->
SupName = make_name(Addr, Port, Profile),
Name = {Mod, Addr, Port},
case supervisor:terminate_child(SupName, Name) of
ok ->
supervisor:delete_child(SupName, Name);
Error ->
Error
end.
make_name(Addr,Port, Profile) ->
httpd_util:make_name("httpd_misc_sup",Addr,Port, Profile).
