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redis/examples/serialization_sync.cpp
2022-04-26 10:43:35 +02:00

69 lines
1.8 KiB
C++

/* Copyright (c) 2018-2022 Marcelo Zimbres Silva (mzimbres@gmail.com)
*
* Distributed under the Boost Software License, Version 1.0. (See
* accompanying file LICENSE.txt)
*/
#include <string>
#include <iterator>
#include <cstdint>
#include <iostream>
#include <algorithm>
#include <boost/asio/connect.hpp>
#include <aedis/aedis.hpp>
#include <aedis/src.hpp>
#include "mystruct.hpp"
namespace net = boost::asio;
namespace resp3 = aedis::resp3;
using aedis::resp3::type;
using aedis::redis::command;
using aedis::generic::make_serializer;
using aedis::adapter::adapt;
using net::dynamic_buffer;
using net::ip::tcp;
int main()
{
try {
net::io_context ioc;
tcp::resolver resv{ioc};
auto const res = resv.resolve("127.0.0.1", "6379");
tcp::socket socket{ioc};
net::connect(socket, res);
// This struct will be serialized and stored on Redis.
mystruct in{42, "Some string"};
// Creates and sends a request to redis.
std::string request;
auto sr = make_serializer(request);
sr.push(command::hello, 3);
sr.push(command::set, "key", in);
sr.push(command::get, "key");
sr.push(command::quit);
net::write(socket, net::buffer(request));
// Object to store the response.
mystruct out;
// Reads the responses to all commands in the request.
std::string buffer;
resp3::read(socket, dynamic_buffer(buffer)); // hello
resp3::read(socket, dynamic_buffer(buffer)); // set
resp3::read(socket, dynamic_buffer(buffer), adapt(out)); // get
resp3::read(socket, dynamic_buffer(buffer)); // quit
// Should be equal to what has been sent above.
std::cout << out << std::endl;
} catch (std::exception const& e) {
std::cerr << e.what() << std::endl;
exit(EXIT_FAILURE);
}
}