尝试改成asio通信

3rd/asio/ip/impl/address_v4.hpp

@@ -0,0 +1,39 @@
+//
+// ip/impl/address_v4.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2025 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_IP_IMPL_ADDRESS_V4_HPP
+#define ASIO_IP_IMPL_ADDRESS_V4_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#if !defined(ASIO_NO_IOSTREAM)
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace ip {
+
+template <typename Elem, typename Traits>
+std::basic_ostream<Elem, Traits>& operator<<(
+    std::basic_ostream<Elem, Traits>& os, const address_v4& addr)
+{
+  return os << addr.to_string().c_str();
+}
+
+} // namespace ip
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // !defined(ASIO_NO_IOSTREAM)
+
+#endif // ASIO_IP_IMPL_ADDRESS_V4_HPP