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109 lines
2.3 KiB
C++
109 lines
2.3 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 <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 <boost/json.hpp>
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#include <boost/json/src.hpp>
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#include <aedis/aedis.hpp>
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#include <aedis/src.hpp>
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#include "print.hpp"
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namespace net = boost::asio;
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using aedis::command;
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using aedis::resp3::request;
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using connection = aedis::connection<>;
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using namespace boost::json;
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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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};
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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, boost::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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user 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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// Serializes
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void to_bulk(std::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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// Deserializes
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void from_bulk(user& u, boost::string_view sv, boost::system::error_code& ec)
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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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std::ostream& operator<<(std::ostream& os, user const& u)
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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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bool 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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int main()
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{
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net::io_context ioc;
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connection db{ioc};
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// Request that sends the containers.
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std::set<user> users
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{ {"Joao", "56", "Brazil"}
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, {"Serge", "60", "France"}
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};
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request req;
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req.push_range(command::sadd, "sadd-key", users);
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req.push(command::smembers, "sadd-key");
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req.push(command::quit);
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std::tuple<int, std::set<user>, std::string> resp;
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db.async_exec("127.0.0.1", "6379", req, aedis::adapt(resp),
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[](auto ec, auto) { std::cout << ec.message() << std::endl; });
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ioc.run();
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// Print
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print(std::get<1>(resp));
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}
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