boost::asio::ip::udp::socket udp_socket(io_service); boost::asio::ip::udp::endpoint multicast_address(boost::asio::ip::address::from_string("239.255.0.1"), 1234); boost::asio::socket_base::broadcast option(true); udp_socket.set_option(option); boost::asio::ip::udp::endpoint sender_endpoint; std::string message = "Hello from the group!"; boost::asio::write(udp_socket, boost::asio::buffer(message), boost::asio::ip::udp::endpoint(multicast_address.address(), multicast_address.port()));
void send_message(boost::asio::ip::udp::socket &socket, const std::string &message, const boost::asio::ip::udp::endpoint &destination) { socket.send_to(boost::asio::buffer(message), destination); } boost::asio::io_service io_service; boost::asio::ip::udp::socket broadcast_socket(io_service, boost::asio::ip::udp::endpoint( boost::asio::ip::address_v4::broadcast(), 1234)); std::string message = "Hello from the group!"; send_message(broadcast_socket, message, boost::asio::ip::udp::endpoint(boost::asio::ip::address_v4::broadcast(), 1234));In this example, a socket is created to broadcast a message to all nodes in a network. The sender specifies that the message should be broadcasted to all nodes on the network, rather than just a specific host. The example Briefly describes the Boost.Asio library, which is a C++ networking library that provides users with tools for building network applications.