cowboy_sub_protocol.erl (1242B)
1 %% Copyright (c) 2013-2017, Loïc Hoguin <essen@ninenines.eu> 2 %% Copyright (c) 2013, James Fish <james@fishcakez.com> 3 %% 4 %% Permission to use, copy, modify, and/or distribute this software for any 5 %% purpose with or without fee is hereby granted, provided that the above 6 %% copyright notice and this permission notice appear in all copies. 7 %% 8 %% THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 9 %% WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 10 %% MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 11 %% ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 12 %% WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 13 %% ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 14 %% OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 15 16 -module(cowboy_sub_protocol). 17 18 -callback upgrade(Req, Env, module(), any()) 19 -> {ok, Req, Env} | {suspend, module(), atom(), [any()]} | {stop, Req} 20 when Req::cowboy_req:req(), Env::cowboy_middleware:env(). 21 22 -callback upgrade(Req, Env, module(), any(), any()) 23 -> {ok, Req, Env} | {suspend, module(), atom(), [any()]} | {stop, Req} 24 when Req::cowboy_req:req(), Env::cowboy_middleware:env().