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+%% 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_acceptor).
+-export([start_link/4]). %% API.
+-export([acceptor/4]). %% Internal.
+
+-include("include/types.hrl").
+
+%% API.
+
+-spec start_link(LSocket::socket(), Transport::module(),
+ Protocol::module(), Opts::term()) -> {ok, Pid::pid()}.
+start_link(LSocket, Transport, Protocol, Opts) ->
+ Pid = spawn_link(?MODULE, acceptor, [LSocket, Transport, Protocol, Opts]),
+ {ok, Pid}.
+
+%% Internal.
+
+-spec acceptor(LSocket::socket(), Transport::module(),
+ Protocol::module(), Opts::term()) -> no_return().
+acceptor(LSocket, Transport, Protocol, Opts) ->
+ case Transport:accept(LSocket) of
+ {ok, CSocket} ->
+ {ok, Pid} = supervisor:start_child(cowboy_protocols_sup,
+ [CSocket, Transport, Protocol, Opts]),
+ ok = Transport:controlling_process(CSocket, Pid);
+ {error, _Reason} ->
+ %% @todo Probably do something here. If the socket was closed,
+ %% we may want to try and listen again on the port?
+ ignore
+ end,
+ ?MODULE:acceptor(LSocket, Transport, Protocol, Opts).