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86 lines
2.2 KiB
C++
86 lines
2.2 KiB
C++
/* Copyright (c) 2019 - 2020 Marcelo Zimbres Silva (mzimbres at gmail dot com)
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/.
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*/
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#include <boost/asio.hpp>
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#include <aedis/aedis.hpp>
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namespace net = aedis::net;
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using tcp = net::ip::tcp;
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using tcp_socket = net::use_awaitable_t<>::as_default_on_t<tcp::socket>;
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using stimer = net::use_awaitable_t<>::as_default_on_t<net::steady_timer>;
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namespace this_coro = net::this_coro;
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using namespace net;
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using namespace aedis;
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net::awaitable<void> publisher()
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{
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auto ex = co_await this_coro::executor;
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try {
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tcp::resolver resv(ex);
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auto const r = resv.resolve("127.0.0.1", "6379");
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tcp_socket socket {ex};
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co_await async_connect(socket, r);
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std::string buffer;
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for (;;) {
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resp::request p;
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p.hello();
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p.publish("channel", "12345");
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co_await async_write(socket, net::buffer(p.payload));
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resp::response_ignore res;
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co_await resp::async_read(socket, buffer, res);
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co_await resp::async_read(socket, buffer, res);
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stimer timer(ex);
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timer.expires_after(std::chrono::seconds{2});
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co_await timer.async_wait();
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}
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} catch (std::exception const& e) {
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std::cerr << "Error: " << e.what() << std::endl;
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}
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}
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net::awaitable<void> subscriber()
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{
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auto ex = co_await this_coro::executor;
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try {
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resp::request p;
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p.subscribe("channel");
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tcp::resolver resv(ex);
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auto const r = resv.resolve("127.0.0.1", "6379");
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tcp_socket socket {ex};
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co_await async_connect(socket, r);
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co_await async_write(socket, buffer(p.payload));
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std::string buffer;
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// Reads the answer to the subscribe.
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resp::response_ignore res;
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co_await resp::async_read(socket, buffer, res);
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// Reads published messages.
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for (;;) {
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resp::response_static_array<std::string, 3> res;
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co_await resp::async_read(socket, buffer, res);
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print(res.result);
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}
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} catch (std::exception const& e) {
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std::cout << e.what() << std::endl;
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}
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}
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int main()
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{
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io_context ioc {1};
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co_spawn(ioc, publisher(), detached);
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co_spawn(ioc, subscriber(), detached);
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ioc.run();
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}
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