%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2001-2009. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
%% compliance with the License. You should have received a copy of the
%% Erlang Public License along with this software. If not, it can be
%% retrieved online at http://www.erlang.org/.
%%
%% Software distributed under the License is distributed on an "AS IS"
%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
%% the License for the specific language governing rights 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/2, start_auth_server/2, stop_auth_server/2,
start_sec_server/2, stop_sec_server/2]).
%% Supervisor callback
-export([init/1]).
%%%=========================================================================
%%% API
%%%=========================================================================
start_link(Addr, Port) ->
SupName = make_name(Addr, Port),
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) ->
start_permanent_worker(mod_auth_server, Addr, Port, [gen_server]).
stop_auth_server(Addr, Port) ->
stop_permanent_worker(mod_auth_server, Addr, Port).
start_sec_server(Addr, Port) ->
start_permanent_worker(mod_security_server, Addr, Port, [gen_server]).
stop_sec_server(Addr, Port) ->
stop_permanent_worker(mod_security_server, Addr, Port).
%%%=========================================================================
%%% Supervisor callback
%%%=========================================================================
init(_) ->
Flags = {one_for_one, 0, 1},
Workers = [],
{ok, {Flags, Workers}}.
%%%=========================================================================
%%% Internal functions
%%%=========================================================================
start_permanent_worker(Mod, Addr, Port, Modules) ->
SupName = make_name(Addr, Port),
Spec = {{Mod, Addr, Port},
{Mod, start_link, [Addr, Port]},
permanent, timer:seconds(1), worker, [Mod] ++ Modules},
supervisor:start_child(SupName, Spec).
stop_permanent_worker(Mod, Addr, Port) ->
SupName = make_name(Addr, Port),
Name = {Mod, Addr, Port},
case supervisor:terminate_child(SupName, Name) of
ok ->
supervisor:delete_child(SupName, Name);
Error ->
Error
end.
make_name(Addr,Port) ->
httpd_util:make_name("httpd_misc_sup",Addr,Port).
