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redis/examples/custom_adapter.cpp
2022-04-25 22:16:05 +02:00

64 lines
1.6 KiB
C++

/* Copyright (c) 2018 Marcelo Zimbres Silva (mzimbres@gmail.com)
*
* Distributed under the Boost Software License, Version 1.0. (See
* accompanying file LICENSE.txt)
*/
#include <iostream>
#include <boost/asio/use_awaitable.hpp>
#include <boost/asio/detached.hpp>
#include <boost/asio/co_spawn.hpp>
#include <aedis/aedis.hpp>
#include <aedis/src.hpp>
namespace net = boost::asio;
namespace resp3 = aedis::resp3;
using aedis::resp3::node;
using aedis::redis::command;
using aedis::generic::make_serializer;
using net::ip::tcp;
using tcp_socket = net::use_awaitable_t<>::as_default_on_t<net::ip::tcp::socket>;
net::awaitable<void> example()
{
auto ex = co_await net::this_coro::executor;
tcp::resolver resv{ex};
auto const res = resv.resolve("127.0.0.1", "6379");
tcp_socket socket{ex};
co_await socket.async_connect(*std::begin(res));
std::string request, buffer;
auto sr = make_serializer(request);
sr.push(command::hello, 3);
sr.push(command::ping, "Some message.");
sr.push(command::quit);
co_await net::async_write(socket, net::buffer(request));
auto adapter = [](node<boost::string_view> const& nd, boost::system::error_code&)
{
std::cout << nd << std::endl;
};
auto dbuffer = net::dynamic_buffer(buffer);
co_await resp3::async_read(socket, dbuffer); // hello
co_await resp3::async_read(socket, dbuffer, adapter);
co_await resp3::async_read(socket, dbuffer); // quit
}
int main()
{
try {
net::io_context ioc;
net::co_spawn(ioc, example(), net::detached);
ioc.run();
} catch (std::exception const& e) {
std::cerr << e.what() << std::endl;
}
}