Adds asio library and Storage Module

2020-12-01 22:41:04 +01:00
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+<title>Source listing for Daytime.5</title>
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+<table cellpadding="2" width="100%"><tr><td valign="top"><img alt="asio C++ library" width="250" height="60" src="../../../asio.png"></td></tr></table>
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+<div class="titlepage"><div><div><h4 class="title">
+<a name="asio.tutorial.tutdaytime5.src"></a><a class="link" href="src.html" title="Source listing for Daytime.5">Source listing for Daytime.5</a>
+</h4></div></div></div>
+<pre class="programlisting">//
+// server.cpp
+// ~~~~~~~~~~
+//
+// Copyright (c) 2003-2020 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)
+//
+
+#include &lt;ctime&gt;
+#include &lt;iostream&gt;
+#include &lt;string&gt;
+#include &lt;boost/array.hpp&gt;
+#include &lt;asio.hpp&gt;
+
+using asio::ip::udp;
+
+std::string make_daytime_string()
+{
+  using namespace std; // For time_t, time and ctime;
+  time_t now = time(0);
+  return ctime(&amp;now);
+}
+
+int main()
+{
+  try
+  {
+    asio::io_context io_context;
+
+    udp::socket socket(io_context, udp::endpoint(udp::v4(), 13));
+
+    for (;;)
+    {
+      boost::array&lt;char, 1&gt; recv_buf;
+      udp::endpoint remote_endpoint;
+      socket.receive_from(asio::buffer(recv_buf), remote_endpoint);
+
+      std::string message = make_daytime_string();
+
+      asio::error_code ignored_error;
+      socket.send_to(asio::buffer(message),
+          remote_endpoint, 0, ignored_error);
+    }
+  }
+  catch (std::exception&amp; e)
+  {
+    std::cerr &lt;&lt; e.what() &lt;&lt; std::endl;
+  }
+
+  return 0;
+}
+</pre>
+<p>
+          Return to <a class="link" href="../tutdaytime5.html" title="Daytime.5 - A synchronous UDP daytime server">Daytime.5 - A synchronous
+          UDP daytime server</a>
+        </p>
+</div>
+<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
+<td align="left"></td>
+<td align="right"><div class="copyright-footer">Copyright © 2003-2020 Christopher M.
+      Kohlhoff<p>
+        Distributed under the Boost Software License, Version 1.0. (See accompanying
+        file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
+      </p>
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