mirror of
https://github.com/boostorg/redis.git
synced 2026-01-19 04:42:09 +00:00
64 lines
1.7 KiB
C++
64 lines
1.7 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 <string>
|
|
#include <vector>
|
|
#include <iostream>
|
|
#include <boost/asio.hpp>
|
|
#include <aedis/aedis.hpp>
|
|
#include <aedis/src.hpp>
|
|
|
|
namespace net = boost::asio;
|
|
using aedis::adapt;
|
|
using aedis::command;
|
|
using aedis::resp3::request;
|
|
using aedis::resp3::node;
|
|
using tcp_socket = net::use_awaitable_t<>::as_default_on_t<net::ip::tcp::socket>;
|
|
using connection = aedis::connection<tcp_socket>;
|
|
|
|
/* In this example we send a subscription to a channel and start
|
|
* reading server side messages indefinitely.
|
|
*
|
|
* After starting the example you can test it by sending messages with
|
|
* redis-cli like this
|
|
*
|
|
* $ redis-cli -3
|
|
* 127.0.0.1:6379> PUBLISH channel1 some-message
|
|
* (integer) 3
|
|
* 127.0.0.1:6379>
|
|
*
|
|
* The messages will then appear on the terminal you are running the
|
|
* example.
|
|
*/
|
|
net::awaitable<void> reader(std::shared_ptr<connection> db)
|
|
{
|
|
for (std::vector<node<std::string>> resp;;) {
|
|
auto n = co_await db->async_read_push(adapt(resp));
|
|
std::cout
|
|
<< "Size: " << n << "\n"
|
|
<< "Event: " << resp.at(1).value << "\n"
|
|
<< "Channel: " << resp.at(2).value << "\n"
|
|
<< "Message: " << resp.at(3).value << "\n"
|
|
<< std::endl;
|
|
|
|
resp.clear();
|
|
}
|
|
}
|
|
|
|
auto handler = [](auto ec, auto...)
|
|
{ std::cout << ec.message() << std::endl; };
|
|
|
|
int main()
|
|
{
|
|
net::io_context ioc;
|
|
auto db = std::make_shared<connection>(ioc);
|
|
request req;
|
|
req.push(command::subscribe, "channel");
|
|
db->async_exec("127.0.0.1", "6379", req, adapt(), handler);
|
|
net::co_spawn(ioc, reader(db), net::detached);
|
|
ioc.run();
|
|
}
|