Function main

example/echo-op/echo_op.cpp:346–377

};

int main(int argc, char** argv)
{
    if(argc != 3)
    {
        std::cerr
        << "Usage: echo-op <address> <port>\n"
        << "Example:\n"
        << "    echo-op 0.0.0.0 8080\n";
        return EXIT_FAILURE;
    }

    namespace net = boost::asio;
    auto const address = net::ip::make_address(argv[1]);
    auto const port = static_cast<unsigned short>(std::atoi(argv[2]));

    using endpoint_type = net::ip::tcp::endpoint;

    // Create a listening socket, accept a connection, perform
    // the echo, and then shut everything down and exit.
    net::io_context ioc;
    net::ip::tcp::acceptor acceptor{ioc};
    endpoint_type ep(address, port);
    acceptor.open(ep.protocol());
    acceptor.set_option(net::socket_base::reuse_address(true));
    acceptor.bind(ep);
    acceptor.listen();
    auto sock = acceptor.accept();
    beast::flat_buffer buffer;
    async_echo(sock, buffer, move_only_handler{});
    ioc.run();
    return EXIT_SUCCESS;
}