%% This module implements a loop handler that sends %% itself a timeout that will intentionally arrive %% too late, as it configures itself to only wait %% 200ms before closing the connection in init/3. %% This results in a 204 reply being sent back by Cowboy. -module(loop_handler_timeout_h). -export([init/2]). -export([info/3]). -export([terminate/3]). init(Req, _) -> erlang:send_after(1000, self(), timeout), {long_polling, Req, undefined, 200, hibernate}. info(timeout, Req, State) -> {ok, cowboy_req:reply(500, Req), State}. terminate({normal, timeout}, _, _) -> ok.