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cowboy/test/handlers/loop_handler_timeout_hibernate_h.erl
jdamanalo a81dc8af9d
Add timeout to cowboy_loop
LH: I have added a test that does both hibernate and timeout
    and fixed a related issue. I also tweaked the docs and tests.
2023-12-15 15:37:34 +01:00

30 lines
838 B
Erlang

%% This module implements a loop handler that first
%% sets a timeout, then hibernates, then ensures
%% that the timeout initially set no longer triggers.
%% If everything goes fine a 200 is returned. If the
%% timeout triggers again a 299 is.
-module(loop_handler_timeout_hibernate_h).
-export([init/2]).
-export([info/3]).
-export([terminate/3]).
init(Req, _) ->
self() ! message1,
{cowboy_loop, Req, undefined, 100}.
info(message1, Req, State) ->
erlang:send_after(200, self(), message2),
{ok, Req, State, hibernate};
info(message2, Req, State) ->
erlang:send_after(200, self(), message3),
%% Don't set a timeout now.
{ok, Req, State};
info(message3, Req, State) ->
{stop, cowboy_req:reply(200, Req), State};
info(timeout, Req, State) ->
{stop, cowboy_req:reply(<<"299 OK!">>, Req), State}.
terminate(stop, _, _) ->
ok.