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%% Feel free to use, reuse and abuse the code in this file.
-module(websocket_echo_handler).
-behaviour(cowboy_http_handler).
-behaviour(cowboy_http_websocket_handler).
-export([init/3, handle/2, terminate/2]).
-export([websocket_init/3, websocket_handle/3,
websocket_info/3, websocket_terminate/3]).
init(_Any, _Req, _Opts) ->
{upgrade, protocol, cowboy_http_websocket}.
handle(_Req, _State) ->
exit(badarg).
terminate(_Req, _State) ->
exit(badarg).
websocket_init(_TransportName, Req, _Opts) ->
Req2 = cowboy_http_req:compact(Req),
{ok, Req2, undefined}.
websocket_handle({text, Data}, Req, State) ->
{reply, {text, Data}, Req, State};
websocket_handle({binary, Data}, Req, State) ->
{reply, {binary, Data}, Req, State};
websocket_handle(_Frame, Req, State) ->
{ok, Req, State}.
websocket_info(_Info, Req, State) ->
{ok, Req, State}.
websocket_terminate(_Reason, _Req, _State) ->
ok.
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