Function main

example/cpp11/spawn/echo_server.cpp:74–117

};

int main(int argc, char* argv[])
{
  try
  {
    if (argc != 2)
    {
      std::cerr << "Usage: echo_server <port>\n";
      return 1;
    }

    boost::asio::io_context io_context;

    boost::asio::spawn(io_context,
        [&](boost::asio::yield_context yield)
        {
          tcp::acceptor acceptor(io_context,
            tcp::endpoint(tcp::v4(), std::atoi(argv[1])));

          for (;;)
          {
            boost::system::error_code ec;
            tcp::socket socket(io_context);
            acceptor.async_accept(socket, yield[ec]);
            if (!ec)
            {
              std::make_shared<session>(io_context, std::move(socket))->go();
            }
          }
        },
        [](std::exception_ptr e)
        {
          if (e)
            std::rethrow_exception(e);
        });

    io_context.run();
  }
  catch (std::exception& e)
  {
    std::cerr << "Exception: " << e.what() << "\n";
  }

  return 0;
}