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Make Cowboy an OTP application again, properly this time.

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As requested by many people on IRC Cowboy is now a proper OTP application
to support soft code upgrades. It should also be easier to start and stop
listeners now using cowboy:start_listener/6 and cowboy:stop_listener/1.
This commit is contained in:
Loïc Hoguin 2011-04-03 00:21:47 +02:00
parent e4da6956fc
commit 718baffa3c
5 changed files with 115 additions and 20 deletions
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33
src/cowboy.erl Normal file
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%% Copyright (c) 2011, Loïc Hoguin <essen@dev-extend.eu>
%%
%% 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).
-export([start_listener/6, stop_listener/1]). %% API.
%% API.
-spec start_listener(Ref::term(), NbAcceptors::non_neg_integer(),
Transport::module(), TransOpts::term(), Protocol::module(),
ProtoOpts::term()) -> {ok, Pid::pid()}.
start_listener(Ref, NbAcceptors, Transport, TransOpts, Protocol, ProtoOpts) ->
supervisor:start_child(cowboy_sup,
{{cowboy_listener_sup, Ref}, {cowboy_listener_sup, start_link, [
NbAcceptors, Transport, TransOpts, Protocol, ProtoOpts
]},
permanent, 5000, supervisor, [cowboy_listener_sup]}).
-spec stop_listener(Ref::term()) -> ok.
stop_listener(Ref) ->
supervisor:terminate_child(cowboy_sup, {cowboy_listener_sup, Ref}),
supervisor:delete_child(cowboy_sup, {cowboy_listener_sup, Ref}).