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redis/examples/async_events.cpp
2020-12-30 23:05:34 +01:00

76 lines
1.7 KiB
C++

/* Copyright (c) 2019 - 2020 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>
namespace net = aedis::net;
using tcp = net::ip::tcp;
using tcp_socket = net::use_awaitable_t<>::as_default_on_t<tcp::socket>;
namespace this_coro = net::this_coro;
using namespace net;
using namespace aedis;
enum class myevents
{ ignore
, list
, set
};
net::awaitable<void> example()
{
try {
resp::request<myevents> p;
p.rpush("list", {1, 2, 3});
p.lrange("list", 0, -1, myevents::list);
p.sadd("set", std::set<int>{3, 4, 5});
p.smembers("set", myevents::set);
p.quit();
auto ex = co_await this_coro::executor;
tcp::resolver resv(ex);
tcp_socket socket {ex};
co_await net::async_connect(socket, resv.resolve("127.0.0.1", "6379"));
co_await net::async_write(socket, buffer(p.payload));
std::string buffer;
for (;;) {
switch (p.events.front().second) {
case myevents::list:
{
resp::response_list<int> res;
co_await resp::async_read(socket, buffer, res);
print(res.result);
} break;
case myevents::set:
{
resp::response_set<int> res;
co_await resp::async_read(socket, buffer, res);
print(res.result);
} break;
default:
{
resp::response_ignore res;
co_await resp::async_read(socket, buffer, res);
}
}
p.events.pop();
}
} catch (std::exception const& e) {
std::cerr << e.what() << std::endl;
}
}
int main()
{
io_context ioc {1};
co_spawn(ioc, example(), detached);
ioc.run();
}