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131 lines
3.4 KiB
C++
131 lines
3.4 KiB
C++
/* Copyright (c) 2018-2022 Marcelo Zimbres Silva (mzimbres@gmail.com)
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*
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* Distributed under the Boost Software License, Version 1.0. (See
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* accompanying file LICENSE.txt)
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*/
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#include <boost/redis/connection.hpp>
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#include <boost/system/errc.hpp>
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#define BOOST_TEST_MODULE conn-exec-cancel
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#include <boost/test/included/unit_test.hpp>
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#include "common.hpp"
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#include "../examples/start.hpp"
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#include <iostream>
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#include <boost/redis/src.hpp>
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#ifdef BOOST_ASIO_HAS_CO_AWAIT
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#include <boost/asio/experimental/awaitable_operators.hpp>
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// NOTE1: I have observed that if hello and
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// blpop are sent toguether, Redis will send the response of hello
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// right away, not waiting for blpop.
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namespace net = boost::asio;
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using error_code = boost::system::error_code;
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using namespace net::experimental::awaitable_operators;
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using boost::redis::operation;
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using boost::redis::error;
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using boost::redis::request;
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using boost::redis::response;
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using boost::redis::generic_response;
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using boost::redis::ignore;
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using boost::redis::ignore_t;
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using boost::redis::config;
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using boost::redis::logger;
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using boost::redis::connection;
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using namespace std::chrono_literals;
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auto implicit_cancel_of_req_written() -> net::awaitable<void>
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{
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auto ex = co_await net::this_coro::executor;
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net::ssl::context ctx{net::ssl::context::tls_client};
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auto conn = std::make_shared<connection>(ex, ctx);
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config cfg;
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cfg.health_check_interval = std::chrono::seconds{0};
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run(conn, cfg);
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// See NOTE1.
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request req0;
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req0.push("PING");
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co_await conn->async_exec(req0, ignore, net::use_awaitable);
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// Will be cancelled after it has been written but before the
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// response arrives.
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request req1;
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req1.push("BLPOP", "any", 3);
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net::steady_timer st{ex};
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st.expires_after(std::chrono::seconds{1});
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// Achieves implicit cancellation when the timer fires.
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boost::system::error_code ec1, ec2;
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co_await (
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conn->async_exec(req1, ignore, redir(ec1)) ||
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st.async_wait(redir(ec2))
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);
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conn->cancel();
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// I have observed this produces terminal cancellation so it can't
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// be ignored, an error is expected.
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BOOST_CHECK_EQUAL(ec1, net::error::operation_aborted);
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BOOST_TEST(!ec2);
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}
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BOOST_AUTO_TEST_CASE(test_ignore_implicit_cancel_of_req_written)
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{
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start(implicit_cancel_of_req_written());
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}
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BOOST_AUTO_TEST_CASE(test_cancel_of_req_written_on_run_canceled)
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{
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net::io_context ioc;
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net::ssl::context ctx{net::ssl::context::tls_client};
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auto conn = std::make_shared<connection>(ioc, ctx);
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request req0;
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req0.push("PING");
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// Sends a request that will be blocked forever, so we can test
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// canceling it while waiting for a response.
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request req1;
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req1.get_config().cancel_on_connection_lost = true;
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req1.get_config().cancel_if_unresponded = true;
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req1.push("BLPOP", "any", 0);
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auto c1 = [&](auto ec, auto)
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{
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BOOST_CHECK_EQUAL(ec, net::error::operation_aborted);
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};
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auto c0 = [&](auto ec, auto)
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{
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BOOST_TEST(!ec);
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conn->async_exec(req1, ignore, c1);
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};
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conn->async_exec(req0, ignore, c0);
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config cfg;
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cfg.health_check_interval = std::chrono::seconds{5};
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run(conn);
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net::steady_timer st{ioc};
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st.expires_after(std::chrono::seconds{1});
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st.async_wait([&](auto ec){
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BOOST_TEST(!ec);
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conn->cancel(operation::run);
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conn->cancel(operation::reconnection);
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});
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ioc.run();
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}
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#else
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BOOST_AUTO_TEST_CASE(dummy)
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{
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BOOST_TEST(true);
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}
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#endif
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