�元组，存起来便于检索</span></div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno">  122</span>    <a class="code hl_variable" href="classunified_packet_attr.html#ac33300a44f993a473ec80c9cb999b8a1">src_ip</a> = ipv4layer-&gt;getSrcIPAddress().toString();</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno">  123</span>    <a class="code hl_variable" href="classunified_packet_attr.html#aa9c151f79b9e816e8dff8cae91802dab">dst_ip</a> = ipv4layer-&gt;get