%%
%% %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 acceptor processes in the http server,
%% hangs under the httpd_instance_sup_<Addr>_<Port> supervisor.
%%----------------------------------------------------------------------
-module(httpd_acceptor_sup).
-behaviour(supervisor).
-include("httpd_internal.hrl").
%% API
-export([start_link/1]).
%%, start_acceptor/6, start_acceptor/7, stop_acceptor/2]).
%% Supervisor callback
-export([init/1]).
%%%=========================================================================
%%% API
%%%=========================================================================
start_link([Addr, Port, Config| _] = Args) ->
Profile = proplists:get_value(profile, Config, ?DEFAULT_PROFILE),
SupName = make_name(Addr, Port, Profile),
supervisor:start_link({local, SupName}, ?MODULE, [Args]).
%%%=========================================================================
%%% Supervisor callback
%%%=========================================================================
init([Args]) ->
RestartStrategy = one_for_one,
MaxR = 10,
MaxT = 3600,
Children = [child_spec(Args)],
{ok, {{RestartStrategy, MaxR, MaxT}, Children}}.
%%%=========================================================================
%%% Internal functions
%%%=========================================================================
child_spec([Address, Port, ConfigList, AcceptTimeout, ListenInfo]) ->
Profile = proplists:get_value(profile, ConfigList, ?DEFAULT_PROFILE),
Name = id(Address, Port, Profile),
Manager = httpd_util:make_name("httpd", Address, Port, Profile),
SockType = proplists:get_value(socket_type, ConfigList, ip_comm),
IpFamily = proplists:get_value(ipfamily, ConfigList, inet),
StartFunc = case ListenInfo of
undefined ->
{httpd_acceptor, start_link,
[Manager, SockType, Address, Port, IpFamily,
httpd_util:make_name("httpd_conf", Address, Port, Profile),
AcceptTimeout]};
_ ->
{httpd_acceptor, start_link,
[Manager, SockType, Address, Port, ListenInfo,
IpFamily,
httpd_util:make_name("httpd_conf", Address, Port, Profile),
AcceptTimeout]}
end,
Restart = transient,
Shutdown = brutal_kill,
Modules = [httpd_acceptor],
Type = worker,
{Name, StartFunc, Restart, Shutdown, Type, Modules}.
id(Address, Port, Profile) ->
{httpd_acceptor_sup, Address, Port, Profile}.
make_name(Addr, Port, Profile) ->
httpd_util:make_name("httpd_acceptor_sup", Addr, Port, Profile).
