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Add HTTP/2 support preview

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This commit is not only an early preview of HTTP/2, it is an
early preview of the new Cowboy architecture that will be
presented tomorrow in my talk. If you have found it before
the talk, great! It's not complete so you better go watch
the talk anyway.
This commit is contained in:
Loïc Hoguin 2015-06-11 17:04:21 +02:00
parent 2718698895
commit a6f75aa3dc
7 changed files with 1914 additions and 416 deletions
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44
src/cowboy_tls.erl Normal file
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%% Copyright (c) 2015, Loïc Hoguin <essen@ninenines.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_tls).
-export([start_link/4]).
-export([init/5]).
-spec start_link(ranch:ref(), inet:socket(), module(), cowboy:opts()) -> {ok, pid()}.
start_link(Ref, Socket, Transport, Opts) ->
Pid = proc_lib:spawn_link(?MODULE, init, [self(), Ref, Socket, Transport, Opts]),
{ok, Pid}.
-spec init(pid(), ranch:ref(), inet:socket(), module(), cowboy:opts()) -> ok.
init(Parent, Ref, Socket, Transport, Opts) ->
ok = ranch:accept_ack(Ref),
case ssl:negotiated_protocol(Socket) of
{ok, <<"h2">>} ->
init(Parent, Ref, Socket, Transport, Opts, cowboy_http2);
%% @todo Implement cowboy_spdy and cowboy_http.
{ok, <<"spdy/3">>} ->
init(Parent, Ref, Socket, Transport, Opts, cowboy_spdy);
_ -> %% http/1.1 or no protocol negotiated.
init(Parent, Ref, Socket, Transport, Opts, cowboy_http)
end.
init(Parent, Ref, Socket, Transport, Opts, Protocol) ->
{Handler, Type} = maps:get(stream_handler, Opts, {cowboy_stream_h, supervisor}),
_ = case Type of
worker -> ok;
supervisor -> process_flag(trap_exit, true)
end,
Protocol:init(Parent, Ref, Socket, Transport, Opts, Handler).