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<li class="navelem"><a class="el" href="dir_df9c78dcf3f59a33b12284f95992a64b.html">ripple</a></li><li class="navelem"><a class="el" href="dir_875063d0bf0fe9cb23dcbe977d2f1b80.html">beast</a></li><li class="navelem"><a class="el" href="dir_0e720b735826fb1b04e8af82444edd05.html">net</a></li><li class="navelem"><a class="el" href="dir_ca54ba52afe39bf41b831de8ec484969.html">impl</a></li> </ul>
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<div class="title">IPAddressV4.cpp</div> </div>
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<div class="contents">
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">//------------------------------------------------------------------------------</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">/*</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> This file is part of Beast: https://github.com/vinniefalco/Beast</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> Copyright 2013, Vinnie Falco <vinnie.falco@gmail.com></span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"></span> </div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> Permission to use, copy, modify, and/or distribute this software for any</span></div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> purpose with or without fee is hereby granted, provided that the above</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> copyright notice and this permission notice appear in all copies.</span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"></span> </div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES</span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF</span></div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.</span></div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment">*/</span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment">//==============================================================================</span></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  </div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <ripple/beast/net/IPAddressV4.h></span></div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  </div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/sstream.html">sstream</a>></span></div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/stdexcept.html">stdexcept</a>></span></div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  </div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="keyword">namespace </span><a class="code" href="namespacebeast.html">beast</a> {</div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="keyword">namespace </span>IP {</div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  </div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="keywordtype">bool</span></div>
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<div class="line"><a name="l00029"></a><span class="lineno"><a class="line" href="namespacebeast_1_1IP.html#aab5302f0a96d55a125cd4e0dd5d03288"> 29</a></span> <a class="code" href="namespacebeast_1_1IP.html#aab5302f0a96d55a125cd4e0dd5d03288">is_private</a>(<a class="code" href="namespacebeast_1_1IP.html#ad2074ed8068d52be937bf6895918bcb5">AddressV4</a> <span class="keyword">const</span>& addr)</div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> {</div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="keywordflow">return</span> ((addr.to_ulong() & 0xff000000) ==</div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  0x0a000000) || <span class="comment">// Prefix /8, 10. #.#.#</span></div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  ((addr.to_ulong() & 0xfff00000) ==</div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  0xac100000) || <span class="comment">// Prefix /12 172. 16.#.# - 172.31.#.#</span></div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  ((addr.to_ulong() & 0xffff0000) ==</div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  0xc0a80000) || <span class="comment">// Prefix /16 192.168.#.#</span></div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  addr.is_loopback();</div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> }</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  </div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="keywordtype">bool</span></div>
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<div class="line"><a name="l00041"></a><span class="lineno"><a class="line" href="namespacebeast_1_1IP.html#af5a04b94fad7e242325069c5f730bde6"> 41</a></span> <a class="code" href="namespacebeast_1_1IP.html#af5a04b94fad7e242325069c5f730bde6">is_public</a>(<a class="code" href="namespacebeast_1_1IP.html#ad2074ed8068d52be937bf6895918bcb5">AddressV4</a> <span class="keyword">const</span>& addr)</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> {</div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keywordflow">return</span> !<a class="code" href="namespacebeast_1_1IP.html#aab5302f0a96d55a125cd4e0dd5d03288">is_private</a>(addr) && !addr.is_multicast();</div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> }</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  </div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="keywordtype">char</span></div>
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<div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="namespacebeast_1_1IP.html#ab6d4810c9fcab20d3ad143fd2df49cd5"> 47</a></span> <a class="code" href="namespacebeast_1_1IP.html#ab6d4810c9fcab20d3ad143fd2df49cd5">get_class</a>(<a class="code" href="namespacebeast_1_1IP.html#ad2074ed8068d52be937bf6895918bcb5">AddressV4</a> <span class="keyword">const</span>& addr)</div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> {</div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keyword">static</span> <span class="keywordtype">char</span> <span class="keyword">const</span>* table = <span class="stringliteral">"AAAABBCD"</span>;</div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keywordflow">return</span> table[(addr.to_ulong() & 0xE0000000) >> 29];</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> }</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  </div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> } <span class="comment">// namespace IP</span></div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> } <span class="comment">// namespace beast</span></div>
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</div><!-- fragment --></div><!-- contents -->
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<div class="ttc" id="asstream_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/sstream.html">sstream</a></div></div>
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<div class="ttc" id="anamespacebeast_1_1IP_html_ab6d4810c9fcab20d3ad143fd2df49cd5"><div class="ttname"><a href="namespacebeast_1_1IP.html#ab6d4810c9fcab20d3ad143fd2df49cd5">beast::IP::get_class</a></div><div class="ttdeci">char get_class(AddressV4 const &addr)</div><div class="ttdoc">Returns the address class for the given address.</div><div class="ttdef"><b>Definition:</b> <a href="IPAddressV4_8cpp_source.html#l00047">IPAddressV4.cpp:47</a></div></div>
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<div class="ttc" id="anamespacebeast_1_1IP_html_aab5302f0a96d55a125cd4e0dd5d03288"><div class="ttname"><a href="namespacebeast_1_1IP.html#aab5302f0a96d55a125cd4e0dd5d03288">beast::IP::is_private</a></div><div class="ttdeci">bool is_private(AddressV4 const &addr)</div><div class="ttdoc">Returns true if the address is a private unroutable address.</div><div class="ttdef"><b>Definition:</b> <a href="IPAddressV4_8cpp_source.html#l00029">IPAddressV4.cpp:29</a></div></div>
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<div class="ttc" id="astdexcept_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/stdexcept.html">stdexcept</a></div></div>
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<div class="ttc" id="anamespacebeast_1_1IP_html_af5a04b94fad7e242325069c5f730bde6"><div class="ttname"><a href="namespacebeast_1_1IP.html#af5a04b94fad7e242325069c5f730bde6">beast::IP::is_public</a></div><div class="ttdeci">bool is_public(AddressV4 const &addr)</div><div class="ttdoc">Returns true if the address is a public routable address.</div><div class="ttdef"><b>Definition:</b> <a href="IPAddressV4_8cpp_source.html#l00041">IPAddressV4.cpp:41</a></div></div>
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<div class="ttc" id="anamespacebeast_1_1IP_html_ad2074ed8068d52be937bf6895918bcb5"><div class="ttname"><a href="namespacebeast_1_1IP.html#ad2074ed8068d52be937bf6895918bcb5">beast::IP::AddressV4</a></div><div class="ttdeci">boost::asio::ip::address_v4 AddressV4</div><div class="ttdef"><b>Definition:</b> <a href="IPAddressV4_8h_source.html#l00034">IPAddressV4.h:34</a></div></div>
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<div class="ttc" id="anamespacebeast_html"><div class="ttname"><a href="namespacebeast.html">beast</a></div><div class="ttdef"><b>Definition:</b> <a href="base__uint_8h_source.html#l00657">base_uint.h:657</a></div></div>
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