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%% This module implements a loop handler that streams endless data.
-module(loop_handler_endless_h).
-export([init/2]).
-export([info/3]).
init(Req0, #{delay := Delay} = Opts) ->
case cowboy_req:header(<<"x-test-pid">>, Req0) of
BinPid when is_binary(BinPid) ->
Pid = list_to_pid(binary_to_list(BinPid)),
Pid ! {Pid, self(), init},
ok;
_ ->
ok
end,
erlang:send_after(Delay, self(), timeout),
Req = cowboy_req:stream_reply(200, Req0),
{cowboy_loop, Req, Opts}.
info(timeout, Req, State) ->
cowboy_req:stream_body(<<0:10000/unit:8>>, nofin, Req),
%% Equivalent to a 0 timeout.
self() ! timeout,
{ok, Req, State}.
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