Boost C++ Libraries

Send a SUBSCRIBE packet to Broker to create a Subscription to one or more Topics of interest.

template<
    typename CompletionToken = typename asio::default_completion_token<boost::mqtt5::mqtt_client::executor_type>::type>
decltype(auto)
async_subscribe(
    const std::vector< boost::mqtt5::subscribe_topic >& topics,
    const subscribe_props& props,
    CompletionToken&& token = {});
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Send a SUBSCRIBE packet to Broker to create a Subscription to one Topic of interest.

template<
    typename CompletionToken = typename asio::default_completion_token<boost::mqtt5::mqtt_client::executor_type>::type>
decltype(auto)
async_subscribe(
    const boost::mqtt5::subscribe_topic& topic,
    const subscribe_props& props,
    CompletionToken&& token = {});
  » more...