%% Feel free to use, reuse and abuse the code in this file. -module(websocket_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_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) -> erlang:start_timer(1000, self(), <<"websocket_init">>), {ok, Req, undefined}. websocket_handle({timeout, _Ref, Msg}, Req, State) -> erlang:start_timer(1000, self(), <<"websocket_handle">>), {reply, Msg, Req, State}; websocket_handle({websocket, Data}, Req, State) -> {reply, Data, Req, State}. websocket_terminate(_Reason, _Req, _State) -> ok.