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52 lines
1.5 KiB
C++
52 lines
1.5 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/asio.hpp>
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#if defined(BOOST_ASIO_HAS_CO_AWAIT)
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#include <boost/redis.hpp>
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#include <iostream>
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namespace net = boost::asio;
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using boost::redis::request;
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using boost::redis::response;
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using boost::redis::ignore_t;
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using boost::redis::async_run;
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using connection = boost::asio::use_awaitable_t<>::as_default_on_t<boost::redis::connection>;
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auto run(std::shared_ptr<connection> conn, std::string host, std::string port) -> net::awaitable<void>
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{
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// async_run coordinate read and write operations.
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co_await async_run(*conn, host, port);
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// Cancel pending operations, if any.
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conn->cancel();
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}
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// Called from the main function (see main.cpp)
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auto co_main(std::string host, std::string port) -> net::awaitable<void>
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{
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auto ex = co_await net::this_coro::executor;
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auto conn = std::make_shared<connection>(ex);
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net::co_spawn(ex, run(conn, host, port), net::detached);
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// A request can contain multiple commands.
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request req;
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req.push("HELLO", 3);
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req.push("PING", "Hello world");
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req.push("QUIT");
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// Stores responses of each individual command. The responses to
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// HELLO and QUIT are being ignored for simplicity.
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response<ignore_t, std::string, ignore_t> resp;
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// Executtes the request.
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co_await conn->async_exec(req, resp);
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std::cout << "PING: " << std::get<1>(resp).value() << std::endl;
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}
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#endif // defined(BOOST_ASIO_HAS_CO_AWAIT)
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