mirror of
https://github.com/boostorg/redis.git
synced 2026-01-19 16:52:08 +00:00
64 lines
2.2 KiB
C++
64 lines
2.2 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 <boost/asio.hpp>
|
|
#if defined(BOOST_ASIO_HAS_CO_AWAIT)
|
|
#include <boost/asio/experimental/awaitable_operators.hpp>
|
|
#include <boost/redis.hpp>
|
|
#include <boost/redis/check_health.hpp>
|
|
|
|
namespace net = boost::asio;
|
|
using namespace net::experimental::awaitable_operators;
|
|
using tcp_socket = net::use_awaitable_t<>::as_default_on_t<net::ip::tcp::socket>;
|
|
using tcp_acceptor = net::use_awaitable_t<>::as_default_on_t<net::ip::tcp::acceptor>;
|
|
using signal_set = net::use_awaitable_t<>::as_default_on_t<net::signal_set>;
|
|
using boost::redis::request;
|
|
using boost::redis::response;
|
|
using boost::redis::async_check_health;
|
|
using boost::redis::async_run;
|
|
using connection = boost::asio::use_awaitable_t<>::as_default_on_t<boost::redis::connection>;
|
|
|
|
auto echo_server_session(tcp_socket socket, std::shared_ptr<connection> conn) -> net::awaitable<void>
|
|
{
|
|
request req;
|
|
response<std::string> resp;
|
|
|
|
for (std::string buffer;;) {
|
|
auto n = co_await net::async_read_until(socket, net::dynamic_buffer(buffer, 1024), "\n");
|
|
req.push("PING", buffer);
|
|
co_await conn->async_exec(req, resp);
|
|
co_await net::async_write(socket, net::buffer(std::get<0>(resp).value()));
|
|
std::get<0>(resp).value().clear();
|
|
req.clear();
|
|
buffer.erase(0, n);
|
|
}
|
|
}
|
|
|
|
// Listens for tcp connections.
|
|
auto listener(std::shared_ptr<connection> conn) -> net::awaitable<void>
|
|
{
|
|
auto ex = co_await net::this_coro::executor;
|
|
tcp_acceptor acc(ex, {net::ip::tcp::v4(), 55555});
|
|
for (;;)
|
|
net::co_spawn(ex, echo_server_session(co_await acc.async_accept(), conn), net::detached);
|
|
}
|
|
|
|
// Called from the main function (see main.cpp)
|
|
auto co_main(std::string host, std::string port) -> net::awaitable<void>
|
|
{
|
|
auto ex = co_await net::this_coro::executor;
|
|
auto conn = std::make_shared<connection>(ex);
|
|
signal_set sig{ex, SIGINT, SIGTERM};
|
|
|
|
request req;
|
|
req.push("HELLO", 3);
|
|
|
|
co_await ((async_run(*conn, host, port) || listener(conn) || async_check_health(*conn) ||
|
|
sig.async_wait()) && conn->async_exec(req));
|
|
}
|
|
|
|
#endif // defined(BOOST_ASIO_HAS_CO_AWAIT)
|