%% Copyright (c) 2011-2017, 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). -export([start_clear/3]). -export([start_tls/3]). -export([stop_listener/1]). -export([set_env/3]). %% @todo Detailed opts. -type opts() :: map(). -export_type([opts/0]). -type fields() :: [atom() | {atom(), cowboy_constraints:constraint() | [cowboy_constraints:constraint()]} | {atom(), cowboy_constraints:constraint() | [cowboy_constraints:constraint()], any()}]. -export_type([fields/0]). -type http_headers() :: #{binary() => iodata()}. -export_type([http_headers/0]). -type http_status() :: non_neg_integer() | binary(). -export_type([http_status/0]). -type http_version() :: 'HTTP/2' | 'HTTP/1.1' | 'HTTP/1.0'. -export_type([http_version/0]). -spec start_clear(ranch:ref(), ranch_tcp:opts(), opts()) -> {ok, pid()} | {error, any()}. start_clear(Ref, TransOpts0, ProtoOpts0) -> {TransOpts, ConnectionType} = ensure_connection_type(TransOpts0), ProtoOpts = ProtoOpts0#{connection_type => ConnectionType}, ranch:start_listener(Ref, ranch_tcp, TransOpts, cowboy_clear, ProtoOpts). -spec start_tls(ranch:ref(), ranch_ssl:opts(), opts()) -> {ok, pid()} | {error, any()}. start_tls(Ref, TransOpts0, ProtoOpts0) -> {TransOpts1, ConnectionType} = ensure_connection_type(TransOpts0), TransOpts = [ {next_protocols_advertised, [<<"h2">>, <<"http/1.1">>]}, {alpn_preferred_protocols, [<<"h2">>, <<"http/1.1">>]} |TransOpts1], ProtoOpts = ProtoOpts0#{connection_type => ConnectionType}, ranch:start_listener(Ref, ranch_ssl, TransOpts, cowboy_tls, ProtoOpts). ensure_connection_type(TransOpts) -> case proplists:get_value(connection_type, TransOpts) of undefined -> {[{connection_type, supervisor}|TransOpts], supervisor}; ConnectionType -> {TransOpts, ConnectionType} end. -spec stop_listener(ranch:ref()) -> ok | {error, not_found}. stop_listener(Ref) -> ranch:stop_listener(Ref). -spec set_env(ranch:ref(), atom(), any()) -> ok. set_env(Ref, Name, Value) -> Opts = ranch:get_protocol_options(Ref), {_, Env} = maps:find(env, Opts), Opts2 = maps:put(env, maps:put(Name, Value, Env), Opts), ok = ranch:set_protocol_options(Ref, Opts2).