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684277dc40
Summary: related to T15996 Reviewers: iljazovic Reviewed By: iljazovic Subscribers: miljen Differential Revision: https://repo.mireo.local/D33773
70 lines
2.2 KiB
C++
70 lines
2.2 KiB
C++
//
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// Copyright (c) 2023-2025 Ivica Siladic, Bruno Iljazovic, Korina Simicevic
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//
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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//[hello_world_over_tcp
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#include <boost/mqtt5/logger.hpp>
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#include <boost/mqtt5/mqtt_client.hpp>
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#include <boost/mqtt5/types.hpp>
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#include <boost/asio/detached.hpp>
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#include <boost/asio/io_context.hpp>
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#include <boost/asio/ip/tcp.hpp>
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#include <iostream>
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#include <string>
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struct config {
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std::string brokers = "broker.hivemq.com";
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uint16_t port = 1883; // 1883 is the default TCP MQTT port.
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std::string client_id = "boost_mqtt5_tester";
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};
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int main(int argc, char** argv) {
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config cfg;
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if (argc == 4) {
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cfg.brokers = argv[1];
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cfg.port = uint16_t(std::stoi(argv[2]));
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cfg.client_id = argv[3];
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}
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boost::asio::io_context ioc;
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//[init_tcp_client_with_logger
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// Construct the Client with ``__TCP_SOCKET__`` as the underlying stream and enabled logging.
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// Since we are not establishing a secure connection, set the TlsContext template parameter to std::monostate.
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boost::mqtt5::mqtt_client<
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boost::asio::ip::tcp::socket, std::monostate /* TlsContext */, boost::mqtt5::logger
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> client(ioc, {} /* tls_context */, boost::mqtt5::logger(boost::mqtt5::log_level::info));
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//]
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// If you want to use the Client without logging, initialise it with the following line instead.
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//boost::mqtt5::mqtt_client<boost::asio::ip::tcp::socket> client(ioc);
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//[configure_tcp_client
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client.brokers(cfg.brokers, cfg.port) // Set the Broker to connect to.
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.credentials(cfg.client_id) // Set the Client Identifier. (optional)
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.async_run(boost::asio::detached); // Start the Client.
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//]
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//[publish_hello_world
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client.async_publish<boost::mqtt5::qos_e::at_most_once>(
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"boost-mqtt5/test", "Hello world!",
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boost::mqtt5::retain_e::yes, boost::mqtt5::publish_props {},
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[&client](boost::mqtt5::error_code ec) {
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std::cout << ec.message() << std::endl;
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// Disconnnect the Client.
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client.async_disconnect(boost::asio::detached);
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}
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);
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//]
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ioc.run();
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}
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//]
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