Function main

example/cpp20/coroutines/chat_server.cpp:191–222

//----------------------------------------------------------------------

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

    boost::asio::io_context io_context(1);

    for (int i = 1; i < argc; ++i)
    {
      unsigned short port = std::atoi(argv[i]);
      co_spawn(io_context,
          listener(tcp::acceptor(io_context, {tcp::v4(), port})),
          detached);
    }

    boost::asio::signal_set signals(io_context, SIGINT, SIGTERM);
    signals.async_wait([&](auto, auto){ io_context.stop(); });

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

  return 0;
}