%% Copyright (c) 2011, Loïc Hoguin <[email protected]>
%%
%% Permission to use, copy, modify, and/or distribute this software for any
%% purpose with or without fee is hereby granted, provided that the above
%% copyright notice and this permission notice appear in all copies.
%%
%% THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
%% WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
%% MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
%% ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
%% WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
%% ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
%% OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-module(cowboy_listener_sup).
-behaviour(supervisor).
-export([start_link/5]). %% API.
-export([init/1]). %% supervisor.
%% API.
-spec start_link(NbAcceptors::non_neg_integer(), Transport::module(),
TransOpts::term(), Protocol::module(), ProtoOpts::term())
-> {ok, Pid::pid()}.
start_link(NbAcceptors, Transport, TransOpts, Protocol, ProtoOpts) ->
case Transport:listen(TransOpts) of
{ok, LSocket} ->
start_sup(LSocket, NbAcceptors, Transport, Protocol, ProtoOpts);
{error, Reason} ->
{error, Reason}
end.
%% supervisor.
%% @todo These specs should be improved.
-spec init([]) -> term().
init([]) ->
{ok, {{one_for_one, 0, 1}, []}}.
%% Internal.
-spec start_sup(NbAcceptors::non_neg_integer(), Transport::module(),
TransOpts::term(), Protocol::module(), ProtoOpts::term())
-> {ok, Pid::pid()}.
start_sup(LSocket, NbAcceptors, Transport, Protocol, ProtoOpts) ->
{ok, SupPid} = supervisor:start_link(?MODULE, []),
{ok, ReqsPid} = supervisor:start_child(SupPid,
{cowboy_requests_sup, {cowboy_requests_sup, start_link, []},
permanent, 5000, supervisor, [cowboy_requests_sup]}),
{ok, _PoolPid} = supervisor:start_child(SupPid,
{cowboy_acceptors_sup, {cowboy_acceptors_sup, start_link, [
LSocket, NbAcceptors, Transport, Protocol, ProtoOpts, ReqsPid
]}, permanent, 5000, supervisor, [cowboy_acceptors_sup]}),
{ok, SupPid}.
