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redis/examples/async_basic.cpp
Marcelo Zimbres f9acd015d2 More refactoring.
2021-10-16 10:40:10 +02:00

68 lines
1.8 KiB
C++

/* Copyright (c) 2019 - 2021 Marcelo Zimbres Silva (mzimbres at gmail dot com)
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/.
*/
#include <iostream>
#include <aedis/aedis.hpp>
using namespace aedis;
using tcp_socket = net::use_awaitable_t<>::as_default_on_t<net::ip::tcp::socket>;
using tcp_resolver = net::use_awaitable_t<>::as_default_on_t<net::ip::tcp::resolver>;
net::awaitable<void> example()
{
auto ex = co_await net::this_coro::executor;
tcp_resolver resolver{ex};
auto const res = co_await resolver.async_resolve("127.0.0.1", "6379");
tcp_socket socket{ex};
co_await net::async_connect(socket, res);
std::queue<resp3::request> requests;
requests.push({});
requests.back().hello();
resp3::consumer cs;
for (;;) {
resp3::response resp;
co_await cs.async_consume(socket, requests, resp);
std::cout << resp << std::endl;
if (resp.get_type() == resp3::type::push)
continue;
auto const& elem = requests.front().elements.front();
std::cout << elem << std::endl;
switch (elem.cmd) {
case command::hello:
{
prepare_next(requests);
requests.back().ping();
requests.back().subscribe("some-channel");
} break;
case command::publish: break;
case command::quit: break;
case command::ping:
{
prepare_next(requests);
requests.back().publish("some-channel", "Some message");
requests.back().quit();
} break;
default: { }
}
}
}
int main()
{
net::io_context ioc;
co_spawn(ioc, example(), net::detached);
ioc.run();
}