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redis/examples/async_basic.cpp
2021-09-26 18:28:06 +02:00

66 lines
1.7 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 <aedis/aedis.hpp>
using namespace aedis;
net::awaitable<void>
example(net::ip::tcp::socket& socket,
std::queue<resp3::request>& requests)
{
requests.push({});
requests.back().hello("3");
resp3::response resp;
resp3::consumer cs;
for (;;) {
auto const type = co_await cs.async_consume(socket, requests, resp, net::use_awaitable);
if (type == resp3::type::flat_push) {
std::cout << "Event: " << "(" << type << ")" << std::endl;
continue;
}
auto const cmd = requests.front().commands.front();
std::cout << "Event: " << cmd << " (" << type << ")" << std::endl;
switch (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;
net::ip::tcp::resolver resolver{ioc};
auto const res = resolver.resolve("127.0.0.1", "6379");
net::ip::tcp::socket socket{ioc};
net::connect(socket, res);
std::queue<resp3::request> requests;
co_spawn(ioc, example(socket, requests), net::detached);
ioc.run();
}