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| <div class="title">mac.hpp</div> </div> |
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| <a href="mac_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div> |
| <div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// you may not use this file except in compliance with the License.</span></div> |
| <div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// You may obtain a copy of the License at</span></div> |
| <div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">//</span></div> |
| <div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div> |
| <div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">//</span></div> |
| <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div> |
| <div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div> |
| <div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div> |
| <div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">// See the License for the specific language governing permissions and</span></div> |
| <div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// limitations under the License.</span></div> |
| <div class="line"><a name="l00012"></a><span class="lineno"> 12</span> </div> |
| <div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#ifndef __STOUT_MAC_HPP__</span></div> |
| <div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor"></span><span class="preprocessor">#define __STOUT_MAC_HPP__</span></div> |
| <div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor"></span></div> |
| <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#if defined(__linux__) || defined(__APPLE__) || defined(__FreeBSD__)</span></div> |
| <div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor"></span><span class="preprocessor">#include <ifaddrs.h></span></div> |
| <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#endif</span></div> |
| <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor"></span><span class="preprocessor">#include <stdint.h></span></div> |
| <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <stdio.h></span></div> |
| <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <string.h></span></div> |
| <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div> |
| <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#ifndef __WINDOWS__</span></div> |
| <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor"></span><span class="preprocessor">#include <arpa/inet.h></span></div> |
| <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#endif // __WINDOWS__</span></div> |
| <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor"></span></div> |
| <div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#ifdef __linux__</span></div> |
| <div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor"></span><span class="preprocessor">#include <linux/if.h></span></div> |
| <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include <linux/if_packet.h></span></div> |
| <div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#endif</span></div> |
| <div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor"></span></div> |
| <div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#ifndef __WINDOWS__</span></div> |
| <div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor"></span><span class="preprocessor">#include <net/ethernet.h></span></div> |
| <div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#endif // __WINDOWS__</span></div> |
| <div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor"></span></div> |
| <div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#ifdef __APPLE__</span></div> |
| <div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor"></span><span class="preprocessor">#include <net/if.h></span></div> |
| <div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#include <net/if_dl.h></span></div> |
| <div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#include <net/if_types.h></span></div> |
| <div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor">#endif</span></div> |
| <div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor"></span></div> |
| <div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor">#ifndef __WINDOWS__</span></div> |
| <div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor"></span><span class="preprocessor">#include <sys/socket.h></span></div> |
| <div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor">#endif // __WINDOWS__</span></div> |
| <div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor"></span><span class="preprocessor">#include <sys/types.h></span></div> |
| <div class="line"><a name="l00046"></a><span class="lineno"> 46</span> </div> |
| <div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="preprocessor">#include <iostream></span></div> |
| <div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="preprocessor">#include <string></span></div> |
| <div class="line"><a name="l00049"></a><span class="lineno"> 49</span> </div> |
| <div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="preprocessor">#include "<a class="code" href="abort_8hpp.html">abort.hpp</a>"</span></div> |
| <div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="preprocessor">#include "<a class="code" href="error_8hpp.html">error.hpp</a>"</span></div> |
| <div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="preprocessor">#include "<a class="code" href="none_8hpp.html">none.hpp</a>"</span></div> |
| <div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="preprocessor">#include "<a class="code" href="result_8hpp.html">result.hpp</a>"</span></div> |
| <div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="preprocessor">#include "<a class="code" href="stringify_8hpp.html">stringify.hpp</a>"</span></div> |
| <div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="preprocessor">#include "<a class="code" href="strings_8hpp.html">strings.hpp</a>"</span></div> |
| <div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="preprocessor">#include "<a class="code" href="try_8hpp.html">try.hpp</a>"</span></div> |
| <div class="line"><a name="l00057"></a><span class="lineno"> 57</span> </div> |
| <div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div> |
| <div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="comment">// Network utilities.</span></div> |
| <div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="keyword">namespace </span>net {</div> |
| <div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div> |
| <div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="comment">// Represents a MAC address. A MAC address is a 48-bit unique</span></div> |
| <div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="comment">// identifier assigned to a network interface for communications on</span></div> |
| <div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="comment">// the physical network segment. We use a byte array (in transmission</span></div> |
| <div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="comment">// order) to represent a MAC address. For example, for a MAC address</span></div> |
| <div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="comment">// 01:23:34:67:89:ab, the format is shown as follows:</span></div> |
| <div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="comment">//</span></div> |
| <div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="comment">// MSB LSB</span></div> |
| <div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="comment">// | |</span></div> |
| <div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="comment">// v v</span></div> |
| <div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="comment">// +--------+--------+--------+--------+--------+--------+</span></div> |
| <div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="comment">// |bytes[0]|bytes[1]|bytes[2]|bytes[3]|bytes[4]|bytes[5]|</span></div> |
| <div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="comment">// +--------+--------+--------+--------+--------+--------+</span></div> |
| <div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="comment">//</span></div> |
| <div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="comment">// 01 : 23 : 45 : 67 : 89 : ab</span></div> |
| <div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="comment">// NOLINT(readability/ending_punctuation)</span></div> |
| <div class="line"><a name="l00077"></a><span class="lineno"><a class="line" href="classnet_1_1MAC.html"> 77</a></span> <span class="keyword">class </span><a class="code" href="classnet_1_1MAC.html">MAC</a></div> |
| <div class="line"><a name="l00078"></a><span class="lineno"> 78</span> {</div> |
| <div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="keyword">public</span>:</div> |
| <div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="comment">// Parse a MAC address (e.g., 01:23:34:67:89:ab).</span></div> |
| <div class="line"><a name="l00081"></a><span class="lineno"><a class="line" href="classnet_1_1MAC.html#a0dfd0ca6e46f22afa5ac8331b0f5988a"> 81</a></span>  <span class="keyword">static</span> <a class="code" href="classTry.html">Try<MAC></a> <a class="code" href="classnet_1_1MAC.html#a0dfd0ca6e46f22afa5ac8331b0f5988a">parse</a>(<span class="keyword">const</span> std::string& s)</div> |
| <div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  {</div> |
| <div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  std::vector<std::string> tokens = <a class="code" href="namespacestrings.html#a1f86a4a73f20056475dc065ec984eb7a">strings::split</a>(s, <span class="stringliteral">":"</span>);</div> |
| <div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordflow">if</span> (tokens.size() != 6) {</div> |
| <div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">"Invalid format. Expecting xx:xx:xx:xx:xx:xx"</span>);</div> |
| <div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  }</div> |
| <div class="line"><a name="l00087"></a><span class="lineno"> 87</span> </div> |
| <div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keyword">auto</span> isValidHexDigit = [](<span class="keywordtype">char</span> c) {</div> |
| <div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordflow">return</span> (c >= <span class="charliteral">'0'</span> && c <= <span class="charliteral">'9'</span>) ||</div> |
| <div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  (c >= <span class="charliteral">'a'</span> && c <= <span class="charliteral">'f'</span>) ||</div> |
| <div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  (c >= <span class="charliteral">'A'</span> && c <= <span class="charliteral">'F'</span>);</div> |
| <div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  };</div> |
| <div class="line"><a name="l00093"></a><span class="lineno"> 93</span> </div> |
| <div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  uint8_t bytes[6];</div> |
| <div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i < 6; i++) {</div> |
| <div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordflow">if</span> (tokens[i].<a class="code" href="namespaceos_1_1stat.html#aac17a91dd3f91341b8c4021025e89b04">size</a>() != 2) {</div> |
| <div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">"Not a two digit hex number"</span>);</div> |
| <div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  }</div> |
| <div class="line"><a name="l00099"></a><span class="lineno"> 99</span> </div> |
| <div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordflow">if</span> (!isValidHexDigit(tokens[i][0]) ||</div> |
| <div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  !isValidHexDigit(tokens[i][1])) {</div> |
| <div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">"Not a valid hex number"</span>);</div> |
| <div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  }</div> |
| <div class="line"><a name="l00104"></a><span class="lineno"> 104</span> </div> |
| <div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keyword">const</span> <span class="keywordtype">char</span>* str = tokens[i].c_str();</div> |
| <div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordtype">char</span> *endptr = <span class="keyword">nullptr</span>;</div> |
| <div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> value = strtoul(str, &endptr, 16);</div> |
| <div class="line"><a name="l00108"></a><span class="lineno"> 108</span> </div> |
| <div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  assert(endptr == str + 2);</div> |
| <div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  assert(value < 256);</div> |
| <div class="line"><a name="l00111"></a><span class="lineno"> 111</span> </div> |
| <div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  bytes[i] = <span class="keyword">static_cast<</span>uint8_t<span class="keyword">></span>(value);</div> |
| <div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  }</div> |
| <div class="line"><a name="l00114"></a><span class="lineno"> 114</span> </div> |
| <div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordflow">return</span> <a class="code" href="classnet_1_1MAC.html#aaec2bf803b833a5ca27faf1873826d49">MAC</a>(bytes);</div> |
| <div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  }</div> |
| <div class="line"><a name="l00117"></a><span class="lineno"> 117</span> </div> |
| <div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="comment">// Constructs a MAC address from a byte array.</span></div> |
| <div class="line"><a name="l00119"></a><span class="lineno"><a class="line" href="classnet_1_1MAC.html#aaec2bf803b833a5ca27faf1873826d49"> 119</a></span>  <span class="keyword">explicit</span> <a class="code" href="classnet_1_1MAC.html#aaec2bf803b833a5ca27faf1873826d49">MAC</a>(<span class="keyword">const</span> uint8_t (&_bytes)[6])</div> |
| <div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  {</div> |
| <div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i < 6; i++) {</div> |
| <div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  bytes[i] = _bytes[i];</div> |
| <div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  }</div> |
| <div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  }</div> |
| <div class="line"><a name="l00125"></a><span class="lineno"> 125</span> </div> |
| <div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="comment">// Returns the byte at the given index. For example, for a MAC</span></div> |
| <div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="comment">// address 01:23:45:67:89:ab, mac[0] = 01, mac[1] = 23 and etc.</span></div> |
| <div class="line"><a name="l00128"></a><span class="lineno"><a class="line" href="classnet_1_1MAC.html#af925648a11ff2d5ab14cf4e608e2048d"> 128</a></span>  uint8_t <a class="code" href="classnet_1_1MAC.html#af925648a11ff2d5ab14cf4e608e2048d">operator[]</a>(<span class="keywordtype">size_t</span> <a class="code" href="namespacerouting_1_1link.html#a26486cdba01ef1c80706b1e07e8a6d3f">index</a>)<span class="keyword"> const</span></div> |
| <div class="line"><a name="l00129"></a><span class="lineno"> 129</span> <span class="keyword"> </span>{</div> |
| <div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keywordflow">if</span> (index >= 6) {</div> |
| <div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <a class="code" href="abort_8hpp.html#a4d84a74fe6e4f84bc3d2f901b9e89f93">ABORT</a>(<span class="stringliteral">"Invalid index specified in MAC::operator[]\n"</span>);</div> |
| <div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  }</div> |
| <div class="line"><a name="l00133"></a><span class="lineno"> 133</span> </div> |
| <div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordflow">return</span> bytes[<a class="code" href="namespacerouting_1_1link.html#a26486cdba01ef1c80706b1e07e8a6d3f">index</a>];</div> |
| <div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  }</div> |
| <div class="line"><a name="l00136"></a><span class="lineno"> 136</span> </div> |
| <div class="line"><a name="l00137"></a><span class="lineno"><a class="line" href="classnet_1_1MAC.html#a0a1331d9bec0070e02eadbed544e50a0"> 137</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classnet_1_1MAC.html#a0a1331d9bec0070e02eadbed544e50a0">operator==</a>(<span class="keyword">const</span> <a class="code" href="classnet_1_1MAC.html">MAC</a>& that)<span class="keyword"> const</span></div> |
| <div class="line"><a name="l00138"></a><span class="lineno"> 138</span> <span class="keyword"> </span>{</div> |
| <div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i < 6; i++) {</div> |
| <div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordflow">if</span> (bytes[i] != that.bytes[i]) {</div> |
| <div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  }</div> |
| <div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  }</div> |
| <div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div> |
| <div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  }</div> |
| <div class="line"><a name="l00146"></a><span class="lineno"> 146</span> </div> |
| <div class="line"><a name="l00147"></a><span class="lineno"><a class="line" href="classnet_1_1MAC.html#aef1d6979a1b533061eb9f6640a729363"> 147</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classnet_1_1MAC.html#aef1d6979a1b533061eb9f6640a729363">operator!=</a>(<span class="keyword">const</span> <a class="code" href="classnet_1_1MAC.html">MAC</a>& that)<span class="keyword"> const</span></div> |
| <div class="line"><a name="l00148"></a><span class="lineno"> 148</span> <span class="keyword"> </span>{</div> |
| <div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keywordflow">return</span> !(*<span class="keyword">this</span> == that);</div> |
| <div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  }</div> |
| <div class="line"><a name="l00151"></a><span class="lineno"> 151</span> </div> |
| <div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="keyword">private</span>:</div> |
| <div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="comment">// Byte array of this MAC address (in transmission order).</span></div> |
| <div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  uint8_t bytes[6];</div> |
| <div class="line"><a name="l00155"></a><span class="lineno"> 155</span> };</div> |
| <div class="line"><a name="l00156"></a><span class="lineno"> 156</span> </div> |
| <div class="line"><a name="l00157"></a><span class="lineno"> 157</span> </div> |
| <div class="line"><a name="l00158"></a><span class="lineno"> 158</span> <span class="comment">// Returns the standard string format (IEEE 802) of the given MAC</span></div> |
| <div class="line"><a name="l00159"></a><span class="lineno"> 159</span> <span class="comment">// address, which contains six groups of two hexadecimal digits,</span></div> |
| <div class="line"><a name="l00160"></a><span class="lineno"> 160</span> <span class="comment">// separated by colons, in transmission order (e.g.,</span></div> |
| <div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="comment">// 01:23:45:67:89:ab).</span></div> |
| <div class="line"><a name="l00162"></a><span class="lineno"><a class="line" href="namespacenet.html#a801fe1714d4b21629f8cda290c39baf6"> 162</a></span> <span class="keyword">inline</span> std::ostream& <a class="code" href="namespacenet.html#ab2ed5173deb8f3daf281f9828613956d">operator<<</a>(std::ostream& stream, <span class="keyword">const</span> <a class="code" href="classnet_1_1MAC.html">MAC</a>& <a class="code" href="namespacenet.html#a5c78def72a7100edeba52ba1d2237792">mac</a>)</div> |
| <div class="line"><a name="l00163"></a><span class="lineno"> 163</span> {</div> |
| <div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keywordtype">char</span> buffer[18];</div> |
| <div class="line"><a name="l00165"></a><span class="lineno"> 165</span> </div> |
| <div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  sprintf(</div> |
| <div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  buffer,</div> |
| <div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="stringliteral">"%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx"</span>,</div> |
| <div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  mac[0],</div> |
| <div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  mac[1],</div> |
| <div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  mac[2],</div> |
| <div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  mac[3],</div> |
| <div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  mac[4],</div> |
| <div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  mac[5]);</div> |
| <div class="line"><a name="l00175"></a><span class="lineno"> 175</span> </div> |
| <div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keywordflow">return</span> stream << buffer;</div> |
| <div class="line"><a name="l00177"></a><span class="lineno"> 177</span> }</div> |
| <div class="line"><a name="l00178"></a><span class="lineno"> 178</span> </div> |
| <div class="line"><a name="l00179"></a><span class="lineno"> 179</span> </div> |
| <div class="line"><a name="l00180"></a><span class="lineno"> 180</span> <span class="comment">// Returns the MAC address of a given link device. The link device is</span></div> |
| <div class="line"><a name="l00181"></a><span class="lineno"> 181</span> <span class="comment">// specified using its name (e.g., eth0). Returns error if the link</span></div> |
| <div class="line"><a name="l00182"></a><span class="lineno"> 182</span> <span class="comment">// device is not found. Returns none if the link device is found, but</span></div> |
| <div class="line"><a name="l00183"></a><span class="lineno"> 183</span> <span class="comment">// does not have a MAC address (e.g., loopback).</span></div> |
| <div class="line"><a name="l00184"></a><span class="lineno"><a class="line" href="namespacenet.html#a5c78def72a7100edeba52ba1d2237792"> 184</a></span> <span class="keyword">inline</span> <a class="code" href="classResult.html">Result<MAC></a> <a class="code" href="namespacenet.html#a5c78def72a7100edeba52ba1d2237792">mac</a>(<span class="keyword">const</span> std::string& <a class="code" href="namespaceos_1_1Shell.html#acfe16ef2b1146ad49a8651c0a457ce46">name</a>)</div> |
| <div class="line"><a name="l00185"></a><span class="lineno"> 185</span> {</div> |
| <div class="line"><a name="l00186"></a><span class="lineno"> 186</span> <span class="preprocessor">#if !defined(__linux__) && !defined(__APPLE__) && !defined(__FreeBSD__)</span></div> |
| <div class="line"><a name="l00187"></a><span class="lineno"> 187</span> <span class="preprocessor"></span> <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">"Not implemented"</span>);</div> |
| <div class="line"><a name="l00188"></a><span class="lineno"> 188</span> <span class="preprocessor">#else</span></div> |
| <div class="line"><a name="l00189"></a><span class="lineno"> 189</span> <span class="preprocessor"></span> <span class="keyword">struct </span>ifaddrs* ifaddr = <span class="keyword">nullptr</span>;</div> |
| <div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keywordflow">if</span> (getifaddrs(&ifaddr) == -1) {</div> |
| <div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="keywordflow">return</span> <a class="code" href="classErrnoError.html">ErrnoError</a>();</div> |
| <div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  }</div> |
| <div class="line"><a name="l00193"></a><span class="lineno"> 193</span> </div> |
| <div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="comment">// Indicates whether the link device is found or not.</span></div> |
| <div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="keywordtype">bool</span> found = <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00196"></a><span class="lineno"> 196</span> </div> |
| <div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keywordflow">for</span> (<span class="keyword">struct</span> ifaddrs* ifa = ifaddr; ifa != <span class="keyword">nullptr</span>; ifa = ifa->ifa_next) {</div> |
| <div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keywordflow">if</span> (ifa->ifa_name != <span class="keyword">nullptr</span> && !strcmp(ifa->ifa_name, name.c_str())) {</div> |
| <div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  found = <span class="keyword">true</span>;</div> |
| <div class="line"><a name="l00200"></a><span class="lineno"> 200</span> </div> |
| <div class="line"><a name="l00201"></a><span class="lineno"> 201</span> <span class="preprocessor"># if defined(__linux__)</span></div> |
| <div class="line"><a name="l00202"></a><span class="lineno"> 202</span> <span class="preprocessor"></span> <span class="keywordflow">if</span> (ifa->ifa_addr != <span class="keyword">nullptr</span> && ifa->ifa_addr->sa_family == AF_PACKET) {</div> |
| <div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="keyword">struct </span>sockaddr_ll* link = (<span class="keyword">struct </span>sockaddr_ll*) ifa->ifa_addr;</div> |
| <div class="line"><a name="l00204"></a><span class="lineno"> 204</span> </div> |
| <div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  if (link->sll_halen == 6) {</div> |
| <div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="keyword">struct </span>ether_addr* addr = (<span class="keyword">struct </span>ether_addr*) link->sll_addr;</div> |
| <div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <a class="code" href="classnet_1_1MAC.html">MAC</a> <a class="code" href="namespacenet.html#a5c78def72a7100edeba52ba1d2237792">mac</a>(addr->ether_addr_octet);</div> |
| <div class="line"><a name="l00208"></a><span class="lineno"> 208</span> </div> |
| <div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="comment">// Ignore if the address is 0 so that the results are</span></div> |
| <div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="comment">// consistent on both OSX and Linux.</span></div> |
| <div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="keywordflow">if</span> (<a class="code" href="namespacens.html#a28116b46e6543597a11733424cd1aa20">stringify</a>(<a class="code" href="namespacenet.html#a5c78def72a7100edeba52ba1d2237792">mac</a>) == <span class="stringliteral">"00:00:00:00:00:00"</span>) {</div> |
| <div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="keywordflow">continue</span>;</div> |
| <div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  }</div> |
| <div class="line"><a name="l00214"></a><span class="lineno"> 214</span> </div> |
| <div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  freeifaddrs(ifaddr);</div> |
| <div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keywordflow">return</span> <a class="code" href="namespacenet.html#a5c78def72a7100edeba52ba1d2237792">mac</a>;</div> |
| <div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  }</div> |
| <div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  }</div> |
| <div class="line"><a name="l00219"></a><span class="lineno"> 219</span> <span class="preprocessor"># elif defined(__APPLE__)</span></div> |
| <div class="line"><a name="l00220"></a><span class="lineno"> 220</span> <span class="preprocessor"></span> <span class="keywordflow">if</span> (ifa->ifa_addr != <span class="keyword">nullptr</span> && ifa->ifa_addr->sa_family == AF_LINK) {</div> |
| <div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="keyword">struct </span>sockaddr_dl* link = (<span class="keyword">struct </span>sockaddr_dl*) ifa->ifa_addr;</div> |
| <div class="line"><a name="l00222"></a><span class="lineno"> 222</span> </div> |
| <div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  if (link->sdl_type == IFT_ETHER && link->sdl_alen == 6) {</div> |
| <div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="keyword">struct </span>ether_addr* addr = (<span class="keyword">struct </span>ether_addr*) LLADDR(link);</div> |
| <div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <a class="code" href="classnet_1_1MAC.html">MAC</a> <a class="code" href="namespacenet.html#a5c78def72a7100edeba52ba1d2237792">mac</a>(addr->octet);</div> |
| <div class="line"><a name="l00226"></a><span class="lineno"> 226</span> </div> |
| <div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  freeifaddrs(ifaddr);</div> |
| <div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="keywordflow">return</span> <a class="code" href="namespacenet.html#a5c78def72a7100edeba52ba1d2237792">mac</a>;</div> |
| <div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  }</div> |
| <div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  }</div> |
| <div class="line"><a name="l00231"></a><span class="lineno"> 231</span> <span class="preprocessor"># endif</span></div> |
| <div class="line"><a name="l00232"></a><span class="lineno"> 232</span> <span class="preprocessor"></span> }</div> |
| <div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  }</div> |
| <div class="line"><a name="l00234"></a><span class="lineno"> 234</span> </div> |
| <div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  freeifaddrs(ifaddr);</div> |
| <div class="line"><a name="l00236"></a><span class="lineno"> 236</span> </div> |
| <div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <span class="keywordflow">if</span> (!found) {</div> |
| <div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">"Cannot find the link device"</span>);</div> |
| <div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  }</div> |
| <div class="line"><a name="l00240"></a><span class="lineno"> 240</span> </div> |
| <div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="keywordflow">return</span> <a class="code" href="structNone.html">None</a>();</div> |
| <div class="line"><a name="l00242"></a><span class="lineno"> 242</span> <span class="preprocessor">#endif</span></div> |
| <div class="line"><a name="l00243"></a><span class="lineno"> 243</span> <span class="preprocessor"></span>}</div> |
| <div class="line"><a name="l00244"></a><span class="lineno"> 244</span> </div> |
| <div class="line"><a name="l00245"></a><span class="lineno"> 245</span> } <span class="comment">// namespace net {</span></div> |
| <div class="line"><a name="l00246"></a><span class="lineno"> 246</span> </div> |
| <div class="line"><a name="l00247"></a><span class="lineno"> 247</span> <span class="preprocessor">#endif // __STOUT_MAC_HPP__</span></div> |
| <div class="ttc" id="classError_html"><div class="ttname"><a href="classError.html">Error</a></div><div class="ttdef"><b>Definition:</b> errorbase.hpp:35</div></div> |
| <div class="ttc" id="abort_8hpp_html_a4d84a74fe6e4f84bc3d2f901b9e89f93"><div class="ttname"><a href="abort_8hpp.html#a4d84a74fe6e4f84bc3d2f901b9e89f93">ABORT</a></div><div class="ttdeci">#define ABORT(...)</div><div class="ttdef"><b>Definition:</b> abort.hpp:40</div></div> |
| <div class="ttc" id="namespacenet_html_a5c78def72a7100edeba52ba1d2237792"><div class="ttname"><a href="namespacenet.html#a5c78def72a7100edeba52ba1d2237792">net::mac</a></div><div class="ttdeci">Result< MAC > mac(const std::string &name)</div><div class="ttdef"><b>Definition:</b> mac.hpp:184</div></div> |
| <div class="ttc" id="namespacenet_html_ab2ed5173deb8f3daf281f9828613956d"><div class="ttname"><a href="namespacenet.html#ab2ed5173deb8f3daf281f9828613956d">net::operator<<</a></div><div class="ttdeci">std::ostream & operator<<(std::ostream &stream, const IP &ip)</div><div class="ttdef"><b>Definition:</b> ip.hpp:251</div></div> |
| <div class="ttc" id="classTry_html"><div class="ttname"><a href="classTry.html">Try</a></div><div class="ttdef"><b>Definition:</b> try.hpp:34</div></div> |
| <div class="ttc" id="none_8hpp_html"><div class="ttname"><a href="none_8hpp.html">none.hpp</a></div></div> |
| <div class="ttc" id="classErrnoError_html"><div class="ttname"><a href="classErrnoError.html">ErrnoError</a></div><div class="ttdef"><b>Definition:</b> errorbase.hpp:44</div></div> |
| <div class="ttc" id="result_8hpp_html"><div class="ttname"><a href="result_8hpp.html">result.hpp</a></div></div> |
| <div class="ttc" id="classResult_html"><div class="ttname"><a href="classResult.html">Result</a></div><div class="ttdef"><b>Definition:</b> result.hpp:40</div></div> |
| <div class="ttc" id="classnet_1_1MAC_html_af925648a11ff2d5ab14cf4e608e2048d"><div class="ttname"><a href="classnet_1_1MAC.html#af925648a11ff2d5ab14cf4e608e2048d">net::MAC::operator[]</a></div><div class="ttdeci">uint8_t operator[](size_t index) const </div><div class="ttdef"><b>Definition:</b> mac.hpp:128</div></div> |
| <div class="ttc" id="classnet_1_1MAC_html_aaec2bf803b833a5ca27faf1873826d49"><div class="ttname"><a href="classnet_1_1MAC.html#aaec2bf803b833a5ca27faf1873826d49">net::MAC::MAC</a></div><div class="ttdeci">MAC(const uint8_t(&_bytes)[6])</div><div class="ttdef"><b>Definition:</b> mac.hpp:119</div></div> |
| <div class="ttc" id="namespacerouting_1_1link_html_a26486cdba01ef1c80706b1e07e8a6d3f"><div class="ttname"><a href="namespacerouting_1_1link.html#a26486cdba01ef1c80706b1e07e8a6d3f">routing::link::index</a></div><div class="ttdeci">Result< int > index(const std::string &link)</div></div> |
| <div class="ttc" id="classnet_1_1MAC_html_a0dfd0ca6e46f22afa5ac8331b0f5988a"><div class="ttname"><a href="classnet_1_1MAC.html#a0dfd0ca6e46f22afa5ac8331b0f5988a">net::MAC::parse</a></div><div class="ttdeci">static Try< MAC > parse(const std::string &s)</div><div class="ttdef"><b>Definition:</b> mac.hpp:81</div></div> |
| <div class="ttc" id="abort_8hpp_html"><div class="ttname"><a href="abort_8hpp.html">abort.hpp</a></div></div> |
| <div class="ttc" id="namespaceos_1_1stat_html_aac17a91dd3f91341b8c4021025e89b04"><div class="ttname"><a href="namespaceos_1_1stat.html#aac17a91dd3f91341b8c4021025e89b04">os::stat::size</a></div><div class="ttdeci">Try< Bytes > size(const std::string &path, const FollowSymlink follow=FOLLOW_SYMLINK)</div><div class="ttdef"><b>Definition:</b> stat.hpp:79</div></div> |
| <div class="ttc" id="classnet_1_1MAC_html"><div class="ttname"><a href="classnet_1_1MAC.html">net::MAC</a></div><div class="ttdef"><b>Definition:</b> mac.hpp:77</div></div> |
| <div class="ttc" id="error_8hpp_html"><div class="ttname"><a href="error_8hpp.html">error.hpp</a></div></div> |
| <div class="ttc" id="structNone_html"><div class="ttname"><a href="structNone.html">None</a></div><div class="ttdef"><b>Definition:</b> none.hpp:27</div></div> |
| <div class="ttc" id="stringify_8hpp_html"><div class="ttname"><a href="stringify_8hpp.html">stringify.hpp</a></div></div> |
| <div class="ttc" id="try_8hpp_html"><div class="ttname"><a href="try_8hpp.html">try.hpp</a></div></div> |
| <div class="ttc" id="namespacestrings_html_a1f86a4a73f20056475dc065ec984eb7a"><div class="ttname"><a href="namespacestrings.html#a1f86a4a73f20056475dc065ec984eb7a">strings::split</a></div><div class="ttdeci">std::vector< std::string > split(const std::string &s, const std::string &delims, const Option< size_t > &maxTokens=None())</div><div class="ttdef"><b>Definition:</b> strings.hpp:175</div></div> |
| <div class="ttc" id="namespacens_html_a28116b46e6543597a11733424cd1aa20"><div class="ttname"><a href="namespacens.html#a28116b46e6543597a11733424cd1aa20">ns::stringify</a></div><div class="ttdeci">std::string stringify(int flags)</div><div class="ttdef"><b>Definition:</b> ns.hpp:688</div></div> |
| <div class="ttc" id="classnet_1_1MAC_html_a0a1331d9bec0070e02eadbed544e50a0"><div class="ttname"><a href="classnet_1_1MAC.html#a0a1331d9bec0070e02eadbed544e50a0">net::MAC::operator==</a></div><div class="ttdeci">bool operator==(const MAC &that) const </div><div class="ttdef"><b>Definition:</b> mac.hpp:137</div></div> |
| <div class="ttc" id="namespaceos_1_1Shell_html_acfe16ef2b1146ad49a8651c0a457ce46"><div class="ttname"><a href="namespaceos_1_1Shell.html#acfe16ef2b1146ad49a8651c0a457ce46">os::Shell::name</a></div><div class="ttdeci">constexpr const char * name</div><div class="ttdef"><b>Definition:</b> shell.hpp:41</div></div> |
| <div class="ttc" id="strings_8hpp_html"><div class="ttname"><a href="strings_8hpp.html">strings.hpp</a></div></div> |
| <div class="ttc" id="classnet_1_1MAC_html_aef1d6979a1b533061eb9f6640a729363"><div class="ttname"><a href="classnet_1_1MAC.html#aef1d6979a1b533061eb9f6640a729363">net::MAC::operator!=</a></div><div class="ttdeci">bool operator!=(const MAC &that) const </div><div class="ttdef"><b>Definition:</b> mac.hpp:147</div></div> |
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