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<li class="navelem"><a class="el" href="../../d8/daf/namespaceshaka.html">shaka</a></li><li class="navelem"><a class="el" href="../../df/d4e/classshaka_1_1IoCache.html">IoCache</a></li> </ul>
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<a href="#pub-methods">Public Member Functions</a> |
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<a href="../../d2/d2a/classshaka_1_1IoCache-members.html">List of all members</a> </div>
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<div class="headertitle">
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<div class="title">shaka::IoCache Class Reference</div> </div>
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<div class="contents">
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<p>Declaration of class which implements a thread-safe circular buffer.
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<a href="../../df/d4e/classshaka_1_1IoCache.html#details">More...</a></p>
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<p><code>#include <<a class="el" href="../../d3/d19/io__cache_8h_source.html">io_cache.h</a>></code></p>
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
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Public Member Functions</h2></td></tr>
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<tr class="memitem:acd0983786dc742e5bd0c0bae9d49d052"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="acd0983786dc742e5bd0c0bae9d49d052"></a>
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 </td><td class="memItemRight" valign="bottom"><b>IoCache</b> (uint64_t cache_size)</td></tr>
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<tr class="separator:acd0983786dc742e5bd0c0bae9d49d052"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a7cc144c2f848725db08b3ca175475fc2"><td class="memItemLeft" align="right" valign="top">uint64_t </td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/d4e/classshaka_1_1IoCache.html#a7cc144c2f848725db08b3ca175475fc2">Read</a> (void *buffer, uint64_t size)</td></tr>
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<tr class="separator:a7cc144c2f848725db08b3ca175475fc2"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a483277a6c68dd58cebb8dafb5c1dcd21"><td class="memItemLeft" align="right" valign="top">uint64_t </td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/d4e/classshaka_1_1IoCache.html#a483277a6c68dd58cebb8dafb5c1dcd21">Write</a> (const void *buffer, uint64_t size)</td></tr>
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<tr class="separator:a483277a6c68dd58cebb8dafb5c1dcd21"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a10c8e56478fe7bc4c30ea0087eb22804"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a10c8e56478fe7bc4c30ea0087eb22804"></a>
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void </td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/d4e/classshaka_1_1IoCache.html#a10c8e56478fe7bc4c30ea0087eb22804">Clear</a> ()</td></tr>
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<tr class="memdesc:a10c8e56478fe7bc4c30ea0087eb22804"><td class="mdescLeft"> </td><td class="mdescRight">Empties the cache. <br/></td></tr>
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<tr class="separator:a10c8e56478fe7bc4c30ea0087eb22804"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a1c54ca1d747cf0b0b9ab681babff73e6"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/d4e/classshaka_1_1IoCache.html#a1c54ca1d747cf0b0b9ab681babff73e6">Close</a> ()</td></tr>
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<tr class="separator:a1c54ca1d747cf0b0b9ab681babff73e6"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a69c0074123339c9c60dec6a27a5c085c"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/d4e/classshaka_1_1IoCache.html#a69c0074123339c9c60dec6a27a5c085c">closed</a> ()</td></tr>
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<tr class="separator:a69c0074123339c9c60dec6a27a5c085c"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ac2c7cbec6d771de00fe0cfe0b7d0e454"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ac2c7cbec6d771de00fe0cfe0b7d0e454"></a>
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void </td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/d4e/classshaka_1_1IoCache.html#ac2c7cbec6d771de00fe0cfe0b7d0e454">Reopen</a> ()</td></tr>
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<tr class="memdesc:ac2c7cbec6d771de00fe0cfe0b7d0e454"><td class="mdescLeft"> </td><td class="mdescRight">Reopens the cache. Any data still in the cache will be lost. <br/></td></tr>
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<tr class="separator:ac2c7cbec6d771de00fe0cfe0b7d0e454"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a8033da711e62112877be7a6ac2186622"><td class="memItemLeft" align="right" valign="top">uint64_t </td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/d4e/classshaka_1_1IoCache.html#a8033da711e62112877be7a6ac2186622">BytesCached</a> ()</td></tr>
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<tr class="separator:a8033da711e62112877be7a6ac2186622"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a744559cbb0a3878027ca6fc2a12555c1"><td class="memItemLeft" align="right" valign="top">uint64_t </td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/d4e/classshaka_1_1IoCache.html#a744559cbb0a3878027ca6fc2a12555c1">BytesFree</a> ()</td></tr>
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<tr class="separator:a744559cbb0a3878027ca6fc2a12555c1"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:abafe56067c5961d56611271b6fc5a760"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="abafe56067c5961d56611271b6fc5a760"></a>
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void </td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/d4e/classshaka_1_1IoCache.html#abafe56067c5961d56611271b6fc5a760">WaitUntilEmptyOrClosed</a> ()</td></tr>
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<tr class="memdesc:abafe56067c5961d56611271b6fc5a760"><td class="mdescLeft"> </td><td class="mdescRight">Waits until the cache is empty or has been closed. <br/></td></tr>
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<tr class="separator:abafe56067c5961d56611271b6fc5a760"><td class="memSeparator" colspan="2"> </td></tr>
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</table>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
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<div class="textblock"><p>Declaration of class which implements a thread-safe circular buffer. </p>
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<p>Definition at line <a class="el" href="../../d3/d19/io__cache_8h_source.html#l00019">19</a> of file <a class="el" href="../../d3/d19/io__cache_8h_source.html">io_cache.h</a>.</p>
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</div><h2 class="groupheader">Member Function Documentation</h2>
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<a class="anchor" id="a8033da711e62112877be7a6ac2186622"></a>
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<div class="memitem">
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<td class="memname">uint64_t shaka::IoCache::BytesCached </td>
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<td>(</td>
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<td class="paramname"></td><td>)</td>
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<td></td>
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<p>Returns the number of bytes in the cache. </p>
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<dl class="section return"><dt>Returns</dt><dd>the number of bytes in the cache. </dd></dl>
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<p>Definition at line <a class="el" href="../../d4/d37/io__cache_8cc_source.html#l00125">125</a> of file <a class="el" href="../../d4/d37/io__cache_8cc_source.html">io_cache.cc</a>.</p>
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<a class="anchor" id="a744559cbb0a3878027ca6fc2a12555c1"></a>
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<td class="memname">uint64_t shaka::IoCache::BytesFree </td>
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<td>(</td>
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<td class="paramname"></td><td>)</td>
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<p>Returns the number of free bytes in the cache. </p>
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<dl class="section return"><dt>Returns</dt><dd>the number of free bytes in the cache. </dd></dl>
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<p>Definition at line <a class="el" href="../../d4/d37/io__cache_8cc_source.html#l00130">130</a> of file <a class="el" href="../../d4/d37/io__cache_8cc_source.html">io_cache.cc</a>.</p>
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<a class="anchor" id="a1c54ca1d747cf0b0b9ab681babff73e6"></a>
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<td class="memname">void shaka::IoCache::Close </td>
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<td>(</td>
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<td class="paramname"></td><td>)</td>
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<td></td>
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<p>Close the cache. This will call any blocking calls to unblock, and the cache won't be usable until Reopened. </p>
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<p>Definition at line <a class="el" href="../../d4/d37/io__cache_8cc_source.html#l00109">109</a> of file <a class="el" href="../../d4/d37/io__cache_8cc_source.html">io_cache.cc</a>.</p>
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<a class="anchor" id="a69c0074123339c9c60dec6a27a5c085c"></a>
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<td class="memname">bool shaka::IoCache::closed </td>
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<td>(</td>
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<td class="paramname"></td><td>)</td>
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<td></td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">inline</span></span> </td>
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<dl class="section return"><dt>Returns</dt><dd>true if the cache is closed, false otherwise. </dd></dl>
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<p>Definition at line <a class="el" href="../../d3/d19/io__cache_8h_source.html#l00049">49</a> of file <a class="el" href="../../d3/d19/io__cache_8h_source.html">io_cache.h</a>.</p>
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<a class="anchor" id="a7cc144c2f848725db08b3ca175475fc2"></a>
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<td class="memname">uint64_t shaka::IoCache::Read </td>
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<td>(</td>
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<td class="paramtype">void * </td>
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<td class="paramname"><em>buffer</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">uint64_t </td>
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<td class="paramname"><em>size</em> </td>
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<td>)</td>
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<p>Read data from the cache. This function may block until there is data in the cache. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">buffer</td><td>is a buffer into which to read the data from the cache. </td></tr>
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<tr><td class="paramname">size</td><td>is the size of <em>buffer</em>. </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section return"><dt>Returns</dt><dd>the number of bytes read into <em>buffer</em>, or 0 if the call unblocked because the cache has been closed and is empty. </dd></dl>
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<p>Definition at line <a class="el" href="../../d4/d37/io__cache_8cc_source.html#l00038">38</a> of file <a class="el" href="../../d4/d37/io__cache_8cc_source.html">io_cache.cc</a>.</p>
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<td class="memname">uint64_t shaka::IoCache::Write </td>
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<td>(</td>
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<td class="paramtype">const void * </td>
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<td class="paramname"><em>buffer</em>, </td>
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<td class="paramtype">uint64_t </td>
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<td class="paramname"><em>size</em> </td>
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<td>)</td>
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<p>Write data to the cache. This function may block until there is enough room in the cache. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">buffer</td><td>is a buffer containing the data to be written to the cache. </td></tr>
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<tr><td class="paramname">size</td><td>is the size of the data to be written to the cache. </td></tr>
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</table>
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<dl class="section return"><dt>Returns</dt><dd>the amount of data written to the buffer (which will equal <em>data</em>), or 0 if the call unblocked because the cache has been closed. </dd></dl>
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<p>Definition at line <a class="el" href="../../d4/d37/io__cache_8cc_source.html#l00066">66</a> of file <a class="el" href="../../d4/d37/io__cache_8cc_source.html">io_cache.cc</a>.</p>
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</div>
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<hr/>The documentation for this class was generated from the following files:<ul>
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<li>packager/file/<a class="el" href="../../d3/d19/io__cache_8h_source.html">io_cache.h</a></li>
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<li>packager/file/<a class="el" href="../../d4/d37/io__cache_8cc_source.html">io_cache.cc</a></li>
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</ul>
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Generated on Tue Oct 24 2017 15:50:09 for Shaka Packager SDK by  <a href="http://www.doxygen.org/index.html">
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<img class="footer" src="../../doxygen.png" alt="doxygen"/>
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</a> 1.8.6
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