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cowboy/test/handlers/long_polling_h.erl

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Make loop handlers work with SPDY Adds a loop_handler test suite that runs all tests under HTTP, HTTPS, SPDY each with and without the compress option enabled. Fixes output filtering that used to filter more than it should have. This forces us to parse the string sent by the emulator, which means it's probably not perfect yet. But it should at least not hide errors we want to see. Fix a crash in the output filtering code that entirely disabled output. Now when there is a crash the normal tty output is restored. Handlers are now in test/handlers/ as they can be reused between suites. Only generate a single certificate for the whole ct run to speed things up when we got many different test groups each needing certificates.
2014-04-26 13:46:55 +02:00
%% This module implements a loop handler for long-polling.
%% It starts by sending itself a message after 200ms,
%% then sends another after that for a total of 3 messages.
%% When it receives the last message, it sends a 102 reply back.
-module(long_polling_h).
-behaviour(cowboy_loop_handler).
-export([init/3]).
-export([info/3]).
-export([terminate/3]).
init(_, Req, _) ->
erlang:send_after(200, self(), timeout),
{loop, Req, 2, 5000, hibernate}.
info(timeout, Req, 0) ->
Breaking update of the cowboy_req interface Simplify the interface for most cowboy_req functions. They all return a single value except the four body reading functions. The reply functions now only return a Req value. Access functions do not return a Req anymore. Functions that used to cache results do not have a cache anymore. The interface for accessing query string and cookies has therefore been changed. There are now three query string functions: qs/1 provides access to the raw query string value; parse_qs/1 returns the query string as a list of key/values; match_qs/2 returns a map containing the values requested in the second argument, after applying constraints and default value. Similarly, there are two cookie functions: parse_cookies/1 and match_cookies/2. More match functions will be added in future commits. None of the functions return an error tuple anymore. It either works or crashes. Cowboy will attempt to provide an appropriate status code in the response of crashed handlers. As a result, the content decode function has its return value changed to a simple binary, and the body reading functions only return on success.
2014-09-23 16:43:29 +03:00
{ok, cowboy_req:reply(102, Req), 0};
Make loop handlers work with SPDY Adds a loop_handler test suite that runs all tests under HTTP, HTTPS, SPDY each with and without the compress option enabled. Fixes output filtering that used to filter more than it should have. This forces us to parse the string sent by the emulator, which means it's probably not perfect yet. But it should at least not hide errors we want to see. Fix a crash in the output filtering code that entirely disabled output. Now when there is a crash the normal tty output is restored. Handlers are now in test/handlers/ as they can be reused between suites. Only generate a single certificate for the whole ct run to speed things up when we got many different test groups each needing certificates.
2014-04-26 13:46:55 +02:00
info(timeout, Req, Count) ->
erlang:send_after(200, self(), timeout),
{loop, Req, Count - 1, hibernate}.
terminate({normal, shutdown}, _, 0) ->
ok;
terminate({error, overflow}, _, _) ->
ok.
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