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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">// Copyright 2015 Google Inc. All rights reserved.</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment">// Use of this source code is governed by a BSD-style</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment">// license that can be found in the LICENSE file or at</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment">// https://developers.google.com/open-source/licenses/bsd</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;</div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="preprocessor">#include &quot;packager/file/io_cache.h&quot;</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;</div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="preprocessor">#include &lt;string.h&gt;</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;</div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="preprocessor">#include &lt;algorithm&gt;</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;</div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="preprocessor">#include &quot;packager/base/logging.h&quot;</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;</div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="keyword">namespace </span><a class="code" href="../../d8/daf/namespaceshaka.html">shaka</a> {</div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;</div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="keyword">using</span> base::AutoLock;</div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="keyword">using</span> base::AutoUnlock;</div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;</div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;IoCache::IoCache(uint64_t cache_size)</div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160; : cache_size_(cache_size),</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160; read_event_(<a class="code" href="../../d2/dc5/namespacebase.html">base</a>::WaitableEvent::ResetPolicy::AUTOMATIC,</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160; <a class="code" href="../../d2/dc5/namespacebase.html">base</a>::WaitableEvent::InitialState::NOT_SIGNALED),</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160; write_event_(<a class="code" href="../../d2/dc5/namespacebase.html">base</a>::WaitableEvent::ResetPolicy::AUTOMATIC,</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160; <a class="code" href="../../d2/dc5/namespacebase.html">base</a>::WaitableEvent::InitialState::NOT_SIGNALED),</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160; <span class="comment">// Make the buffer one byte larger than the cache so that when the</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160; <span class="comment">// condition r_ptr == w_ptr is unambiguous (buffer empty).</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160; circular_buffer_(cache_size + 1),</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;
<div class="ttc" id="classshaka_1_1IoCache_html_a10c8e56478fe7bc4c30ea0087eb22804"><div class="ttname"><a href="../../df/d4e/classshaka_1_1IoCache.html#a10c8e56478fe7bc4c30ea0087eb22804">shaka::IoCache::Clear</a></div><div class="ttdeci">void Clear()</div><div class="ttdoc">Empties the cache. </div><div class="ttdef"><b>Definition:</b> <a href="../../d4/d37/io__cache_8cc_source.html#l00105">io_cache.cc:105</a></div></div>
<div class="ttc" id="classshaka_1_1IoCache_html_a1c54ca1d747cf0b0b9ab681babff73e6"><div class="ttname"><a href="../../df/d4e/classshaka_1_1IoCache.html#a1c54ca1d747cf0b0b9ab681babff73e6">shaka::IoCache::Close</a></div><div class="ttdeci">void Close()</div><div class="ttdef"><b>Definition:</b> <a href="../../d4/d37/io__cache_8cc_source.html#l00112">io_cache.cc:112</a></div></div>
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<div class="ttc" id="namespaceshaka_html"><div class="ttname"><a href="../../d8/daf/namespaceshaka.html">shaka</a></div><div class="ttdoc">All the methods that are virtual are virtual for mocking. </div><div class="ttdef"><b>Definition:</b> <a href="../../d4/d15/gflags__hex__bytes_8cc_source.html#l00011">gflags_hex_bytes.cc:11</a></div></div>
<div class="ttc" id="classshaka_1_1IoCache_html_a483277a6c68dd58cebb8dafb5c1dcd21"><div class="ttname"><a href="../../df/d4e/classshaka_1_1IoCache.html#a483277a6c68dd58cebb8dafb5c1dcd21">shaka::IoCache::Write</a></div><div class="ttdeci">uint64_t Write(const void *buffer, uint64_t size)</div><div class="ttdef"><b>Definition:</b> <a href="../../d4/d37/io__cache_8cc_source.html#l00066">io_cache.cc:66</a></div></div>
<div class="ttc" id="classshaka_1_1IoCache_html_abafe56067c5961d56611271b6fc5a760"><div class="ttname"><a href="../../df/d4e/classshaka_1_1IoCache.html#abafe56067c5961d56611271b6fc5a760">shaka::IoCache::WaitUntilEmptyOrClosed</a></div><div class="ttdeci">void WaitUntilEmptyOrClosed()</div><div class="ttdoc">Waits until the cache is empty or has been closed. </div><div class="ttdef"><b>Definition:</b> <a href="../../d4/d37/io__cache_8cc_source.html#l00148">io_cache.cc:148</a></div></div>
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<div class="ttc" id="classshaka_1_1IoCache_html_a7cc144c2f848725db08b3ca175475fc2"><div class="ttname"><a href="../../df/d4e/classshaka_1_1IoCache.html#a7cc144c2f848725db08b3ca175475fc2">shaka::IoCache::Read</a></div><div class="ttdeci">uint64_t Read(void *buffer, uint64_t size)</div><div class="ttdef"><b>Definition:</b> <a href="../../d4/d37/io__cache_8cc_source.html#l00038">io_cache.cc:38</a></div></div>
<div class="ttc" id="classshaka_1_1IoCache_html_a744559cbb0a3878027ca6fc2a12555c1"><div class="ttname"><a href="../../df/d4e/classshaka_1_1IoCache.html#a744559cbb0a3878027ca6fc2a12555c1">shaka::IoCache::BytesFree</a></div><div class="ttdeci">uint64_t BytesFree()</div><div class="ttdef"><b>Definition:</b> <a href="../../d4/d37/io__cache_8cc_source.html#l00133">io_cache.cc:133</a></div></div>
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<div class="ttc" id="namespacebase_html"><div class="ttname"><a href="../../d2/dc5/namespacebase.html">base</a></div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d10/muxer__factory_8h_source.html#l00016">muxer_factory.h:16</a></div></div>
<div class="ttc" id="classshaka_1_1IoCache_html_a8033da711e62112877be7a6ac2186622"><div class="ttname"><a href="../../df/d4e/classshaka_1_1IoCache.html#a8033da711e62112877be7a6ac2186622">shaka::IoCache::BytesCached</a></div><div class="ttdeci">uint64_t BytesCached()</div><div class="ttdef"><b>Definition:</b> <a href="../../d4/d37/io__cache_8cc_source.html#l00128">io_cache.cc:128</a></div></div>
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