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112 lines
2.7 KiB
C++
112 lines
2.7 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/asio/experimental/awaitable_operators.hpp>
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#define BOOST_JSON_NO_LIB
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#define BOOST_CONTAINER_NO_LIB
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#include <boost/json.hpp>
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#include <aedis.hpp>
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#include <algorithm>
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#include <cstdint>
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#include <iostream>
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#include <set>
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#include <iterator>
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#include <string>
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#include "common/common.hpp"
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// Include this in no more than one .cpp file.
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#include <boost/json/src.hpp>
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namespace net = boost::asio;
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namespace resp3 = aedis::resp3;
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using namespace net::experimental::awaitable_operators;
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using namespace boost::json;
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using aedis::adapt;
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struct user {
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std::string name;
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std::string age;
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std::string country;
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friend auto operator<(user const& a, user const& b)
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{
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return std::tie(a.name, a.age, a.country) < std::tie(b.name, b.age, b.country);
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}
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friend auto operator<<(std::ostream& os, user const& u) -> std::ostream&
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{
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os << "Name: " << u.name << "\n"
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<< "Age: " << u.age << "\n"
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<< "Country: " << u.country;
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return os;
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}
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};
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// Boost.Json serialization.
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void tag_invoke(value_from_tag, value& jv, user const& u)
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{
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jv =
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{ {"name", u.name}
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, {"age", u.age}
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, {"country", u.country}
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};
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}
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template<class T>
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void extract(object const& obj, T& t, std::string_view key)
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{
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t = value_to<T>(obj.at(key));
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}
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auto tag_invoke(value_to_tag<user>, value const& jv)
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{
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user u;
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object const& obj = jv.as_object();
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extract(obj, u.name, "name");
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extract(obj, u.age, "age");
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extract(obj, u.country, "country");
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return u;
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}
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// Aedis serialization
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void to_bulk(std::pmr::string& to, user const& u)
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{
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aedis::resp3::to_bulk(to, serialize(value_from(u)));
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}
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void from_bulk(user& u, std::string_view sv, boost::system::error_code&)
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{
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value jv = parse(sv);
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u = value_to<user>(jv);
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}
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net::awaitable<void> async_main()
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{
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std::set<user> users
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{{"Joao", "58", "Brazil"} , {"Serge", "60", "France"}};
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resp3::request req;
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req.push("HELLO", 3);
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req.push_range("SADD", "sadd-key", users); // Sends
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req.push("SMEMBERS", "sadd-key"); // Retrieves
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req.push("QUIT");
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std::tuple<aedis::ignore, int, std::set<user>, std::string> resp;
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auto conn = std::make_shared<connection>(co_await net::this_coro::executor);
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co_await connect(conn, "127.0.0.1", "6379");
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co_await (conn->async_run() || conn->async_exec(req, adapt(resp)));
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for (auto const& e: std::get<2>(resp))
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std::cout << e << "\n";
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}
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#endif // defined(BOOST_ASIO_HAS_CO_AWAIT)
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