From e4da6956fceea1af8e2cdf9fece0e014576ab43c Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Lo=C3=AFc=20Hoguin?= Date: Sat, 2 Apr 2011 20:27:16 +0200 Subject: Anonymize and improve the cowboy supervision tree. * Cowboy isn't an OTP application anymore; just a supervisor. * All processes started by Cowboy are now anonymous. * All processes related to a listener are now part of its supervision tree. --- src/cowboy_acceptors_sup.erl | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 src/cowboy_acceptors_sup.erl (limited to 'src/cowboy_acceptors_sup.erl') diff --git a/src/cowboy_acceptors_sup.erl b/src/cowboy_acceptors_sup.erl new file mode 100644 index 0000000..c5e7db4 --- /dev/null +++ b/src/cowboy_acceptors_sup.erl @@ -0,0 +1,40 @@ +%% Copyright (c) 2011, Loïc Hoguin +%% +%% 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_acceptors_sup). +-behaviour(supervisor). + +-export([start_link/6]). %% API. +-export([init/1]). %% supervisor. + +-include("include/types.hrl"). + +%% API. + +-spec start_link(NbAcceptors::non_neg_integer(), Transport::module(), + TransOpts::term(), Protocol::module(), ProtoOpts::term(), ReqsPid::pid()) + -> {ok, Pid::pid()}. +start_link(LSocket, NbAcceptors, Transport, Protocol, ProtoOpts, ReqsPid) -> + supervisor:start_link(?MODULE, [LSocket, NbAcceptors, + Transport, Protocol, ProtoOpts, ReqsPid]). + +%% supervisor. + +-spec init(list(term())) -> term(). %% @todo These specs should be improved. +init([LSocket, NbAcceptors, Transport, Protocol, ProtoOpts, ReqsPid]) -> + Procs = [{{acceptor, self(), N}, {cowboy_acceptor, start_link, [ + LSocket, Transport, Protocol, ProtoOpts, ReqsPid + ]}, permanent, brutal_kill, worker, dynamic} + || N <- lists:seq(1, NbAcceptors)], + {ok, {{one_for_one, 10, 10}, Procs}}. -- cgit v1.2.3