%% ``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.
%%
%% The Initial Developer of the Original Code is Ericsson Utvecklings AB.
%% Portions created by Ericsson are Copyright 1999, Ericsson Utvecklings
%% AB. All Rights Reserved.''
%%
%% $Id: httpd_sup.erl,v 1.1 2008/12/17 09:53:34 mikpe Exp $
%%----------------------------------------------------------------------
%% Purpose: The top supervisor for the inets application
%%----------------------------------------------------------------------
-module(httpd_sup).
-behaviour(supervisor).
-include("httpd_verbosity.hrl").
%% public
-export([start/2, start_link/2, start2/2, start_link2/2, stop/1, stop/2, stop2/1]).
-export([init/1]).
-define(D(F, A), io:format("~p:" ++ F ++ "~n", [?MODULE|A])).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% supervisor callback functions
start(ConfigFile, Verbosity) ->
case start_link(ConfigFile, Verbosity) of
{ok, Pid} ->
unlink(Pid),
{ok, Pid};
Else ->
Else
end.
start_link(ConfigFile, Verbosity) ->
case get_addr_and_port(ConfigFile) of
{ok, ConfigList, Addr, Port} ->
Name = make_name(Addr, Port),
SupName = {local, Name},
supervisor:start_link(SupName, ?MODULE,
[ConfigFile, ConfigList,
Verbosity, Addr, Port]);
{error, Reason} ->
error_logger:error_report(Reason),
{stop, Reason};
Else ->
error_logger:error_report(Else),
{stop, Else}
end.
start2(ConfigList, Verbosity) ->
case start_link2(ConfigList, Verbosity) of
{ok, Pid} ->
unlink(Pid),
{ok, Pid};
Else ->
Else
end.
start_link2(ConfigList, Verbosity) ->
case get_addr_and_port2(ConfigList) of
{ok, Addr, Port} ->
Name = make_name(Addr, Port),
SupName = {local, Name},
supervisor:start_link(SupName, ?MODULE,
[undefined, ConfigList, Verbosity, Addr, Port]);
{error, Reason} ->
error_logger:error_report(Reason),
{stop, Reason};
Else ->
error_logger:error_report(Else),
{stop, Else}
end.
stop(Pid) when pid(Pid) ->
do_stop(Pid);
stop(ConfigFile) when list(ConfigFile) ->
case get_addr_and_port(ConfigFile) of
{ok, _, Addr, Port} ->
stop(Addr, Port);
Error ->
Error
end;
stop(StartArgs) ->
ok.
stop(Addr, Port) when integer(Port) ->
Name = make_name(Addr, Port),
case whereis(Name) of
Pid when pid(Pid) ->
do_stop(Pid),
ok;
_ ->
not_started
end.
stop2(ConfigList) when list(ConfigList) ->
{ok, Addr, Port} = get_addr_and_port2(ConfigList),
stop(Addr, Port).
do_stop(Pid) ->
exit(Pid, shutdown).
init([ConfigFile, ConfigList, Verbosity, Addr, Port]) ->
init(ConfigFile, ConfigList, Verbosity, Addr, Port);
init(BadArg) ->
{error, {badarg, BadArg}}.
init(ConfigFile, ConfigList, Verbosity, Addr, Port) ->
Flags = {one_for_one, 0, 1},
AccSupVerbosity = get_acc_sup_verbosity(Verbosity),
MiscSupVerbosity = get_misc_sup_verbosity(Verbosity),
Sups = [sup_spec(httpd_acceptor_sup, Addr, Port, AccSupVerbosity),
sup_spec(httpd_misc_sup, Addr, Port, MiscSupVerbosity),
worker_spec(httpd_manager, Addr, Port, ConfigFile, ConfigList,
Verbosity, [gen_server])],
{ok, {Flags, Sups}}.
sup_spec(Name, Addr, Port, Verbosity) ->
{{Name, Addr, Port},
{Name, start, [Addr, Port, Verbosity]},
permanent, 2000, supervisor, [Name, supervisor]}.
worker_spec(Name, Addr, Port, ConfigFile, ConfigList, Verbosity, Modules) ->
{{Name, Addr, Port},
{Name, start_link, [ConfigFile, ConfigList, Verbosity]},
permanent, 2000, worker, [Name] ++ Modules}.
make_name(Addr,Port) ->
httpd_util:make_name("httpd_sup",Addr,Port).
%% get_addr_and_port
get_addr_and_port(ConfigFile) ->
case httpd_conf:load(ConfigFile) of
{ok, ConfigList} ->
{ok, Addr, Port} = get_addr_and_port2(ConfigList),
{ok, ConfigList, Addr, Port};
Error ->
Error
end.
get_addr_and_port2(ConfigList) ->
Port = httpd_util:key1search(ConfigList, port, 80),
Addr = httpd_util:key1search(ConfigList, bind_address),
{ok, Addr, Port}.
get_acc_sup_verbosity(V) ->
case key1search(V, all) of
undefined ->
key1search(V, acceptor_sup_verbosity, ?default_verbosity);
Verbosity ->
Verbosity
end.
get_misc_sup_verbosity(V) ->
case key1search(V, all) of
undefined ->
key1search(V, misc_sup_verbosity, ?default_verbosity);
Verbosity ->
Verbosity
end.
key1search(L, K) ->
httpd_util:key1search(L, K).
key1search(L, K, D) ->
httpd_util:key1search(L, K, D).
