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<h1>stream.c File Reference</h1> </div>
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<code>#include &quot;<a class="el" href="spp__ai_8h_source.html">spp_ai.h</a>&quot;</code><br/>
<code>#include &lt;stdio.h&gt;</code><br/>
<code>#include &lt;stdlib.h&gt;</code><br/>
<code>#include &lt;time.h&gt;</code><br/>
<code>#include &lt;unistd.h&gt;</code><br/>
<code>#include &lt;pthread.h&gt;</code><br/>
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Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">PRIVATE void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__stream.html#ga80016adf701c717a6ebfb5b15b8a5749">_AI_stream_free</a> (struct <a class="el" href="structpkt__info.html">pkt_info</a> *stream)</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Remove a stream from the hash table (private function). <a href="group__stream.html#ga80016adf701c717a6ebfb5b15b8a5749"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__stream.html#ga24b1131374e5059564b8a12380c4eb75">AI_hashcleanup_thread</a> (void *arg)</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Thread called for cleaning up the hash table from the traffic streams older than a certain threshold. <a href="group__stream.html#ga24b1131374e5059564b8a12380c4eb75"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__stream.html#ga7d71c5645b9baff7b6c4b9a181bf80c5">AI_pkt_enqueue</a> (SFSnortPacket *pkt)</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Function called for appending a new packet to the hash table, creating a new stream or appending it to an existing stream. <a href="group__stream.html#ga7d71c5645b9baff7b6c4b9a181bf80c5"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">struct <a class="el" href="structpkt__info.html">pkt_info</a> *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__stream.html#ga2efedcabbfd12c5345f0c93a3dd4735c">AI_get_stream_by_key</a> (struct <a class="el" href="structpkt__key.html">pkt_key</a> key)</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Get a TCP stream by key. <a href="group__stream.html#ga2efedcabbfd12c5345f0c93a3dd4735c"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__stream.html#ga8749989cee2ac05a7de058faac280c02">AI_set_stream_observed</a> (struct <a class="el" href="structpkt__key.html">pkt_key</a> key)</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Set the flag "observed" on a stream associated to a security alert, so that it won't be removed from the hash table. <a href="group__stream.html#ga8749989cee2ac05a7de058faac280c02"></a><br/></td></tr>
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Variables</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">PRIVATE struct <a class="el" href="structpkt__info.html">pkt_info</a> *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="stream_8c.html#a57e23cda853e9d11c37723a962ef2f68">hash</a> = NULL</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">PRIVATE time_t&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="stream_8c.html#a0597864b078ff448f28432db86950309">start_time</a> = 0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">PRIVATE pthread_mutex_t&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="stream_8c.html#a4e01edd07102e71480b323db2b8f57c8">hash_mutex</a> = PTHREAD_MUTEX_INITIALIZER</td></tr>
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<hr/><h2>Variable Documentation</h2>
<a class="anchor" id="a57e23cda853e9d11c37723a962ef2f68"></a><!-- doxytag: member="stream.c::hash" ref="a57e23cda853e9d11c37723a962ef2f68" args="" -->
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<td class="memname">PRIVATE struct <a class="el" href="structpkt__info.html">pkt_info</a>* <a class="el" href="stream_8c.html#a57e23cda853e9d11c37723a962ef2f68">hash</a> = NULL</td>
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<a class="anchor" id="a4e01edd07102e71480b323db2b8f57c8"></a><!-- doxytag: member="stream.c::hash_mutex" ref="a4e01edd07102e71480b323db2b8f57c8" args="" -->
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<td class="memname">PRIVATE pthread_mutex_t <a class="el" href="stream_8c.html#a4e01edd07102e71480b323db2b8f57c8">hash_mutex</a> = PTHREAD_MUTEX_INITIALIZER</td>
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<p>pthread mutex for managing the access of multiple readers/writers to the hash table </p>
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<td class="memname">PRIVATE time_t <a class="el" href="stream_8c.html#a0597864b078ff448f28432db86950309">start_time</a> = 0</td>
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