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98 lines
2.6 KiB
C++
98 lines
2.6 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/asio/detached.hpp>
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#include <boost/test/included/unit_test.hpp>
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#include "common.hpp"
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#include <iostream>
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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: Sends hello separately. 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. That is why we have to send it
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// separately.
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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::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 async_ignore_explicit_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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generic_response gresp;
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auto conn = std::make_shared<connection>(ex);
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run(conn);
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net::steady_timer st{ex};
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st.expires_after(std::chrono::seconds{1});
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// See NOTE1.
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request req0;
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req0.push("PING", "async_ignore_explicit_cancel_of_req_written");
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co_await conn->async_exec(req0, gresp, net::use_awaitable);
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request req1;
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req1.push("BLPOP", "any", 3);
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bool seen = false;
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conn->async_exec(req1, gresp, [&](auto ec, auto) mutable {
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// No error should occur since the cancelation should be
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// ignored.
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std::cout << "async_exec (1): " << ec.message() << std::endl;
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BOOST_TEST(!ec);
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seen = true;
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});
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// Will complete while BLPOP is pending.
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boost::system::error_code ec1;
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co_await st.async_wait(net::redirect_error(net::use_awaitable, ec1));
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conn->cancel(operation::exec);
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BOOST_TEST(!ec1);
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request req3;
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req3.push("PING");
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// Test whether the connection remains usable after a call to
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// cancel(exec).
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co_await conn->async_exec(req3, gresp, net::redirect_error(net::use_awaitable, ec1));
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conn->cancel();
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BOOST_TEST(!ec1);
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BOOST_TEST(seen);
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}
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BOOST_AUTO_TEST_CASE(test_ignore_explicit_cancel_of_req_written)
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{
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net::io_context ioc;
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net::co_spawn(ioc, async_ignore_explicit_cancel_of_req_written(), net::detached);
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ioc.run();
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}
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#else
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BOOST_AUTO_TEST_CASE(dummy) { BOOST_TEST(true); }
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#endif
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