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9b69a89161
- Improvements in the readme. - Progresses with pubsub. - Implements push types as part of response_base.
80 lines
2.0 KiB
C++
80 lines
2.0 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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/* Implements a coroutine that writes commands in interval and one the
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* reads the commands.
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*/
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namespace net = aedis::net;
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namespace this_coro = net::this_coro;
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using namespace aedis;
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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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net::awaitable<void> publisher(tcp_socket& socket)
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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 req;
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req.hello();
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req.subscribe("channel");
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req.subscribe("__keyspace@0__:user:*");
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std::string buffer;
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for (auto i = 0;; ++i) {
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req.ping();
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req.rpush("user:Marcelo", {i});
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req.publish("channel", "Some message");
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co_await async_write(socket, req);
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req.clear();
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stimer timer(ex, 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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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_spawn(ex, publisher(socket), net::detached);
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std::string buffer;
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for (;;) {
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resp::response_array<std::string> res;
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co_await resp::async_read(socket, buffer, res);
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if (res.is_push())
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print(res.push().value, "Push");
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else
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print(res.result, "Message");
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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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net::io_context ioc {1};
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co_spawn(ioc, subscriber(), net::detached);
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ioc.run();
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}
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