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<div class="header">
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<a href="#pub-slots">Public Slots</a> |
<a href="#signals">Signals</a> |
<a href="#pub-methods">Public Member Functions</a> |
<a href="#pri-methods">Private Member Functions</a> |
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<a href="class_sniffer-members.html">List of all members</a> </div>
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<div class="title">Sniffer Class Reference</div> </div>
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<p>The <a class="el" href="class_sniffer.html" title="The Sniffer class is the one that use the pcap library to extract the packet information. It discards any packet that is not Ethernet->IP->(TCP|UDP), and pass up to the GUI the packets that are Ethernet->IP->(TCP|UDP). ">Sniffer</a> class is the one that use the pcap library to extract the packet information. It discards any packet that is not Ethernet->IP->(TCP|UDP), and pass up to the GUI the packets that are Ethernet->IP->(TCP|UDP).
<a href="class_sniffer.html#details">More...</a></p>
<p><code>#include <<a class="el" href="sniffer_8h_source.html">sniffer.h</a>></code></p>
<div class="dynheader">
Inheritance diagram for Sniffer:</div>
<div class="dyncontent">
<div class="center">
<img src="class_sniffer.png" usemap="#Sniffer_map" alt=""/>
<map id="Sniffer_map" name="Sniffer_map">
</map>
</div></div>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-slots"></a>
Public Slots</h2></td></tr>
<tr class="memitem:a6fc78b66d2f4dce0cc3662dacf171514"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a6fc78b66d2f4dce0cc3662dacf171514"></a>
void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_sniffer.html#a6fc78b66d2f4dce0cc3662dacf171514">process</a> ()</td></tr>
<tr class="memdesc:a6fc78b66d2f4dce0cc3662dacf171514"><td class="mdescLeft"> </td><td class="mdescRight">The sniffer is run as a separate thread and the function process is the main function of the thread. It is the sniffer. <br /></td></tr>
<tr class="separator:a6fc78b66d2f4dce0cc3662dacf171514"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="signals"></a>
Signals</h2></td></tr>
<tr class="memitem:a7d0fd40379b7e5f49aff18ac20cb1c45"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a7d0fd40379b7e5f49aff18ac20cb1c45"></a>
void </td><td class="memItemRight" valign="bottom"><b>resultReady</b> (unsigned long index)</td></tr>
<tr class="separator:a7d0fd40379b7e5f49aff18ac20cb1c45"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a8039cbd5f487a357321d57337a664d3d"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a8039cbd5f487a357321d57337a664d3d"></a>
 </td><td class="memItemRight" valign="bottom"><a class="el" href="class_sniffer.html#a8039cbd5f487a357321d57337a664d3d">Sniffer</a> ()</td></tr>
<tr class="memdesc:a8039cbd5f487a357321d57337a664d3d"><td class="mdescLeft"> </td><td class="mdescRight">Constructor, does nothing. <br /></td></tr>
<tr class="separator:a8039cbd5f487a357321d57337a664d3d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a8e5f1474f756be527b4c39a3e9a83893"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_sniffer.html#a8e5f1474f756be527b4c39a3e9a83893">Sniffer</a> (QWaitCondition *pw, QMutex *mx, int *ps)</td></tr>
<tr class="memdesc:a8e5f1474f756be527b4c39a3e9a83893"><td class="mdescLeft"> </td><td class="mdescRight">Sets the mutexes for the inter communication between the sniffer and the GUI. <a href="#a8e5f1474f756be527b4c39a3e9a83893">More...</a><br /></td></tr>
<tr class="separator:a8e5f1474f756be527b4c39a3e9a83893"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a8ad3b97292e2cc274f31d87701f92be2"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a8ad3b97292e2cc274f31d87701f92be2"></a>
 </td><td class="memItemRight" valign="bottom"><a class="el" href="class_sniffer.html#a8ad3b97292e2cc274f31d87701f92be2">~Sniffer</a> ()</td></tr>
<tr class="memdesc:a8ad3b97292e2cc274f31d87701f92be2"><td class="mdescLeft"> </td><td class="mdescRight">Destructor, does nothing. <br /></td></tr>
<tr class="separator:a8ad3b97292e2cc274f31d87701f92be2"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a791027d276cfcc5e6849132ecf8e80b6"><td class="memItemLeft" align="right" valign="top">vector< <a class="el" href="classip__packet.html">ip_packet</a> > * </td><td class="memItemRight" valign="bottom"><a class="el" href="class_sniffer.html#a791027d276cfcc5e6849132ecf8e80b6">getPacketList</a> ()</td></tr>
<tr class="memdesc:a791027d276cfcc5e6849132ecf8e80b6"><td class="mdescLeft"> </td><td class="mdescRight">Returns the packet list that contains the packets that are Ethernet -> IP -> (TCP|UDP) <a href="#a791027d276cfcc5e6849132ecf8e80b6">More...</a><br /></td></tr>
<tr class="separator:a791027d276cfcc5e6849132ecf8e80b6"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a3dd95c60c5b8554e1bedc22b36ae488c"><td class="memItemLeft" align="right" valign="top">string </td><td class="memItemRight" valign="bottom"><a class="el" href="class_sniffer.html#a3dd95c60c5b8554e1bedc22b36ae488c">format_payload</a> (const char *payload, int len)</td></tr>
<tr class="memdesc:a3dd95c60c5b8554e1bedc22b36ae488c"><td class="mdescLeft"> </td><td class="mdescRight">Formats the payload from a byte stream into a string of ascci. <a href="#a3dd95c60c5b8554e1bedc22b36ae488c">More...</a><br /></td></tr>
<tr class="separator:a3dd95c60c5b8554e1bedc22b36ae488c"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a02101b56a75804d1ed39a1c04ba36ab2"><td class="memItemLeft" align="right" valign="top">string </td><td class="memItemRight" valign="bottom"><a class="el" href="class_sniffer.html#a02101b56a75804d1ed39a1c04ba36ab2">format_hex_ascii_line</a> (const char *payload, int len, int offset)</td></tr>
<tr class="memdesc:a02101b56a75804d1ed39a1c04ba36ab2"><td class="mdescLeft"> </td><td class="mdescRight">Return string with the bytes of a payload line in ascii. <a href="#a02101b56a75804d1ed39a1c04ba36ab2">More...</a><br /></td></tr>
<tr class="separator:a02101b56a75804d1ed39a1c04ba36ab2"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a94d7cd87d0f181c3cf2e5ec851e370b6"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_sniffer.html#a94d7cd87d0f181c3cf2e5ec851e370b6">find_devices</a> (vector< string > &)</td></tr>
<tr class="memdesc:a94d7cd87d0f181c3cf2e5ec851e370b6"><td class="mdescLeft"> </td><td class="mdescRight">Find the network devices in the computer, and store them in vector devs. <a href="#a94d7cd87d0f181c3cf2e5ec851e370b6">More...</a><br /></td></tr>
<tr class="separator:a94d7cd87d0f181c3cf2e5ec851e370b6"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ab706811aa2b285e4c0f55491703c105a"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_sniffer.html#ab706811aa2b285e4c0f55491703c105a">setDevice</a> (string)</td></tr>
<tr class="memdesc:ab706811aa2b285e4c0f55491703c105a"><td class="mdescLeft"> </td><td class="mdescRight">Sets the device to capture packets to dev. <a href="#ab706811aa2b285e4c0f55491703c105a">More...</a><br /></td></tr>
<tr class="separator:ab706811aa2b285e4c0f55491703c105a"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pri-methods"></a>
Private Member Functions</h2></td></tr>
<tr class="memitem:ac05f935a6ec2830d6bf42b607f071910"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_sniffer.html#ac05f935a6ec2830d6bf42b607f071910">print_payload</a> (const u_char *payload, int len)</td></tr>
<tr class="memdesc:ac05f935a6ec2830d6bf42b607f071910"><td class="mdescLeft"> </td><td class="mdescRight">Prints the payload in ascii. <a href="#ac05f935a6ec2830d6bf42b607f071910">More...</a><br /></td></tr>
<tr class="separator:ac05f935a6ec2830d6bf42b607f071910"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a70598d5001a30cc8e801f1262770cdf6"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_sniffer.html#a70598d5001a30cc8e801f1262770cdf6">print_hex_ascii_line</a> (const u_char *payload, int len, int offset)</td></tr>
<tr class="memdesc:a70598d5001a30cc8e801f1262770cdf6"><td class="mdescLeft"> </td><td class="mdescRight">Prints to std output the a payload in ascii. <a href="#a70598d5001a30cc8e801f1262770cdf6">More...</a><br /></td></tr>
<tr class="separator:a70598d5001a30cc8e801f1262770cdf6"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a0179e32fee6a0f7c2a13f37d64a7fae0"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_sniffer.html#a0179e32fee6a0f7c2a13f37d64a7fae0">got_packet</a> (const struct pcap_pkthdr *header, const u_char *packet)</td></tr>
<tr class="memdesc:a0179e32fee6a0f7c2a13f37d64a7fae0"><td class="mdescLeft"> </td><td class="mdescRight">Disects the received packet. Takes out the info needed. <a href="#a0179e32fee6a0f7c2a13f37d64a7fae0">More...</a><br /></td></tr>
<tr class="separator:a0179e32fee6a0f7c2a13f37d64a7fae0"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pri-attribs"></a>
Private Attributes</h2></td></tr>
<tr class="memitem:ad3ad83091913a50effd7468d8d7ca590"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ad3ad83091913a50effd7468d8d7ca590"></a>
vector< <a class="el" href="classip__packet.html">ip_packet</a> > </td><td class="memItemRight" valign="bottom"><b>packet_list</b></td></tr>
<tr class="separator:ad3ad83091913a50effd7468d8d7ca590"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a36e1964fbc960b60a09b425a7cd1c0f6"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a36e1964fbc960b60a09b425a7cd1c0f6"></a>
QWaitCondition * </td><td class="memItemRight" valign="bottom"><b>wait_pause</b></td></tr>
<tr class="separator:a36e1964fbc960b60a09b425a7cd1c0f6"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ae0d6a92d2224a8c927afe861d45ab182"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ae0d6a92d2224a8c927afe861d45ab182"></a>
QMutex * </td><td class="memItemRight" valign="bottom"><b>mutex</b></td></tr>
<tr class="separator:ae0d6a92d2224a8c927afe861d45ab182"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ac35f2e04e7f7668243a75bd9b9b44028"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ac35f2e04e7f7668243a75bd9b9b44028"></a>
string </td><td class="memItemRight" valign="bottom"><b>device</b></td></tr>
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<tr class="memitem:abb7dd6858499a14bcf002ba86e2d3f7f"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="abb7dd6858499a14bcf002ba86e2d3f7f"></a>
string </td><td class="memItemRight" valign="bottom"><b>filter</b></td></tr>
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<tr class="memitem:a2fde6ba65f629b1c74b1fcd1b8d2c022"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a2fde6ba65f629b1c74b1fcd1b8d2c022"></a>
int * </td><td class="memItemRight" valign="bottom"><b>pause</b></td></tr>
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</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>The <a class="el" href="class_sniffer.html" title="The Sniffer class is the one that use the pcap library to extract the packet information. It discards any packet that is not Ethernet->IP->(TCP|UDP), and pass up to the GUI the packets that are Ethernet->IP->(TCP|UDP). ">Sniffer</a> class is the one that use the pcap library to extract the packet information. It discards any packet that is not Ethernet->IP->(TCP|UDP), and pass up to the GUI the packets that are Ethernet->IP->(TCP|UDP). </p>
</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
<a class="anchor" id="a8e5f1474f756be527b4c39a3e9a83893"></a>
<div class="memitem">
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<td class="memname">Sniffer::Sniffer </td>
<td>(</td>
<td class="paramtype">QWaitCondition * </td>
<td class="paramname"><em>pw</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">QMutex * </td>
<td class="paramname"><em>mx</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int * </td>
<td class="paramname"><em>ps</em> </td>
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<td>)</td>
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<p>Sets the mutexes for the inter communication between the sniffer and the GUI. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">pw</td><td>used to pause the capture of packets </td></tr>
<tr><td class="paramname">mx</td><td>used to protect critical region </td></tr>
<tr><td class="paramname">ps</td><td>flag to pause the packet capture </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<h2 class="groupheader">Member Function Documentation</h2>
<a class="anchor" id="a94d7cd87d0f181c3cf2e5ec851e370b6"></a>
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<td class="memname">void Sniffer::find_devices </td>
<td>(</td>
<td class="paramtype">vector< string > & </td>
<td class="paramname"><em>devs</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Find the network devices in the computer, and store them in vector devs. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">devs</td><td>vector of string for device names </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="a02101b56a75804d1ed39a1c04ba36ab2"></a>
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<td class="memname">string Sniffer::format_hex_ascii_line </td>
<td>(</td>
<td class="paramtype">const char * </td>
<td class="paramname"><em>payload</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>len</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>offset</em> </td>
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<td></td>
<td>)</td>
<td></td><td></td>
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<p>Return string with the bytes of a payload line in ascii. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">payload</td><td>payload of the packet </td></tr>
<tr><td class="paramname">len</td><td>length of the packet </td></tr>
<tr><td class="paramname">offset</td><td>offset of packet </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>a string with the bytes of a payload line in ascii </dd></dl>
</div>
</div>
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<td class="memname">string Sniffer::format_payload </td>
<td>(</td>
<td class="paramtype">const char * </td>
<td class="paramname"><em>payload</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>len</em> </td>
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<tr>
<td></td>
<td>)</td>
<td></td><td></td>
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<p>Formats the payload from a byte stream into a string of ascci. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">payload</td><td>payload of the packet </td></tr>
<tr><td class="paramname">len</td><td>length of the packet </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>the payload in a string of ascii </dd></dl>
</div>
</div>
<a class="anchor" id="a791027d276cfcc5e6849132ecf8e80b6"></a>
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<td class="memname">vector< <a class="el" href="classip__packet.html">ip_packet</a> > * Sniffer::getPacketList </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
</table>
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<p>Returns the packet list that contains the packets that are Ethernet -> IP -> (TCP|UDP) </p>
<dl class="section return"><dt>Returns</dt><dd>vector of packets </dd></dl>
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<td class="memname">void Sniffer::got_packet </td>
<td>(</td>
<td class="paramtype">const struct pcap_pkthdr * </td>
<td class="paramname"><em>header</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">const u_char * </td>
<td class="paramname"><em>packet</em> </td>
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<td>)</td>
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<p>Disects the received packet. Takes out the info needed. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">pcap_pkthdr</td><td>header of the pcap packet </td></tr>
<tr><td class="paramname">packet</td><td>recieved packet </td></tr>
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<td class="memname">void Sniffer::print_hex_ascii_line </td>
<td>(</td>
<td class="paramtype">const u_char * </td>
<td class="paramname"><em>payload</em>, </td>
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<td class="paramtype">int </td>
<td class="paramname"><em>len</em>, </td>
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<td class="paramtype">int </td>
<td class="paramname"><em>offset</em> </td>
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<td>)</td>
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<p>Prints to std output the a payload in ascii. </p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">payload</td><td>payload of the packet </td></tr>
<tr><td class="paramname">len</td><td>length of the packet </td></tr>
<tr><td class="paramname">offset</td><td>offset </td></tr>
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<td class="memname">void Sniffer::print_payload </td>
<td>(</td>
<td class="paramtype">const u_char * </td>
<td class="paramname"><em>payload</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">int </td>
<td class="paramname"><em>len</em> </td>
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<p>Prints the payload in ascii. </p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">payload</td><td>payload of the packet </td></tr>
<tr><td class="paramname">len</td><td>payload length </td></tr>
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<td class="memname">void Sniffer::setDevice </td>
<td>(</td>
<td class="paramtype">string </td>
<td class="paramname"><em>dev</em></td><td>)</td>
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<p>Sets the device to capture packets to dev. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">dev</td><td>name of the device </td></tr>
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<hr/>The documentation for this class was generated from the following files:<ul>
<li><a class="el" href="sniffer_8h_source.html">sniffer.h</a></li>
<li>sniffer.cpp</li>
</ul>
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