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Async.MQTT5 -> Boost.MQTT5
Summary: related to T15996 folder structure include/async_mqtt5 -> include/boost/mqtt5 namespace async_mqtt5 -> namespace boost::mqtt5 all tabs replaced with 4 spaces (because tabs are banned) boost-like order of includes TODO: fix all docs Reviewers: ivica Reviewed By: ivica Subscribers: iljazovic, miljen Differential Revision: https://repo.mireo.local/D33152
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@ -9,104 +9,106 @@
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#ifdef BOOST_ASIO_HAS_CO_AWAIT
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//[timeout_with_awaitable_operators
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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/reason_codes.hpp>
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#include <boost/mqtt5/types.hpp>
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#include <boost/asio/as_tuple.hpp>
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#include <boost/asio/co_spawn.hpp>
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#include <boost/asio/deferred.hpp>
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#include <boost/asio/detached.hpp>
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#include <boost/asio/experimental/awaitable_operators.hpp>
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#include <boost/asio/experimental/parallel_group.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 <boost/asio/steady_timer.hpp>
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#include <boost/mysql/any_connection.hpp>
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#include <chrono>
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#include <iostream>
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#include <string>
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#include <boost/asio/as_tuple.hpp>
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#include <boost/asio/io_context.hpp>
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#include <boost/asio/co_spawn.hpp>
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#include <boost/asio/deferred.hpp>
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#include <boost/asio/detached.hpp>
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#include <boost/asio/steady_timer.hpp>
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#include <boost/asio/use_awaitable.hpp>
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#include <boost/asio/experimental/awaitable_operators.hpp>
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#include <boost/asio/experimental/parallel_group.hpp>
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#include <boost/asio/ip/tcp.hpp>
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#include <async_mqtt5/logger.hpp>
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#include <async_mqtt5/mqtt_client.hpp>
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#include <async_mqtt5/reason_codes.hpp>
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#include <async_mqtt5/types.hpp>
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struct config {
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std::string brokers = "broker.hivemq.com";
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uint16_t port = 1883;
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std::string client_id = "async_mqtt5_tester";
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std::string brokers = "broker.hivemq.com";
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uint16_t port = 1883;
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std::string client_id = "async_mqtt5_tester";
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};
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// Modified completion token that will prevent co_await from throwing exceptions.
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constexpr auto use_nothrow_awaitable = boost::asio::as_tuple(boost::asio::deferred);
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// client_type with logging enabled
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using client_type = async_mqtt5::mqtt_client<
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boost::asio::ip::tcp::socket, std::monostate /* TlsContext */, async_mqtt5::logger
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using client_type = boost::mqtt5::mqtt_client<
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boost::asio::ip::tcp::socket, std::monostate /* TlsContext */, boost::mqtt5::logger
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>;
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// client_type without logging
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//using client_type = async_mqtt5::mqtt_client<boost::asio::ip::tcp::socket>;
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//using client_type = boost::mqtt5::mqtt_client<boost::asio::ip::tcp::socket>;
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boost::asio::awaitable<void> send_over_mqtt(
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const config& cfg, client_type& client
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const config& cfg, client_type& client
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) {
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client.brokers(cfg.brokers, cfg.port) // Broker that we want 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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client.brokers(cfg.brokers, cfg.port) // Broker that we want 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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auto&& [pec, prc, puback_props] = co_await client.async_publish<async_mqtt5::qos_e::at_least_once>(
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"async-mqtt5/test", "Hello World!",
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async_mqtt5::retain_e::no, async_mqtt5::publish_props {},
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use_nothrow_awaitable
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);
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auto&& [pec, prc, puback_props] = co_await client.async_publish<boost::mqtt5::qos_e::at_least_once>(
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"async-mqtt5/test", "Hello World!",
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boost::mqtt5::retain_e::no, boost::mqtt5::publish_props {},
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use_nothrow_awaitable
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);
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co_await client.async_disconnect(use_nothrow_awaitable);
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co_return;
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co_await client.async_disconnect(use_nothrow_awaitable);
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co_return;
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}
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int main(int argc, char** argv) {
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config cfg;
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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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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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boost::asio::io_context ioc;
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co_spawn(
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ioc,
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[&ioc, &cfg]() -> boost::asio::awaitable<void> {
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// Initialise the Client to connect to the Broker over TCP.
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client_type client(ioc);
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co_spawn(
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ioc,
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[&ioc, &cfg]() -> boost::asio::awaitable<void> {
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// Initialise the Client to connect to the Broker over TCP.
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client_type client(ioc);
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// You can also initialise the Client and its logger with a specific log_level (default log_level::info).
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//client_type client(ioc, {} /* tls_context */, async_mqtt5::logger(async_mqtt5::log_level::debug));
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// You can also initialise the Client and its logger with a specific log_level (default log_level::info).
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//client_type client(ioc, {} /* tls_context */, boost::mqtt5::logger(boost::mqtt5::log_level::debug));
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// Construct the timer.
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boost::asio::steady_timer timer(ioc, std::chrono::seconds(5));
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// Construct the timer.
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boost::asio::steady_timer timer(ioc, std::chrono::seconds(5));
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using namespace boost::asio::experimental::awaitable_operators;
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auto res = co_await (
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send_over_mqtt(cfg, client) ||
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timer.async_wait(boost::asio::as_tuple(boost::asio::use_awaitable))
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);
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using namespace boost::asio::experimental::awaitable_operators;
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auto res = co_await (
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send_over_mqtt(cfg, client) ||
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timer.async_wait(boost::asio::as_tuple(boost::asio::use_awaitable))
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);
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// The timer expired first. The client is cancelled.
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if (res.index() == 1)
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std::cout << "Send over MQTT timed out!" << std::endl;
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// send_over_mqtt completed first. The timer is cancelled.
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else
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std::cout << "Send over MQTT completed!" << std::endl;
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},
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[](std::exception_ptr e) {
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if (e)
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std::rethrow_exception(e);
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}
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);
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// The timer expired first. The client is cancelled.
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if (res.index() == 1)
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std::cout << "Send over MQTT timed out!" << std::endl;
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// send_over_mqtt completed first. The timer is cancelled.
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else
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std::cout << "Send over MQTT completed!" << std::endl;
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},
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[](std::exception_ptr e) {
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if (e)
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std::rethrow_exception(e);
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}
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);
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ioc.run();
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ioc.run();
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}
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//]
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@ -116,7 +118,7 @@ int main(int argc, char** argv) {
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#include <iostream>
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int main() {
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std::cout << "This example requires C++20 standard to compile and run" << std::endl;
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std::cout << "This example requires C++20 standard to compile and run" << std::endl;
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}
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#endif
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