| 1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889909192939495 | <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/><meta http-equiv="X-UA-Compatible" content="IE=9"/><meta name="generator" content="Doxygen 1.8.13"/><meta name="viewport" content="width=device-width, initial-scale=1"/><title>GRPC Core: include/grpc/compression.h Source File</title><link href="tabs.css" rel="stylesheet" type="text/css"/><script type="text/javascript" src="jquery.js"></script><script type="text/javascript" src="dynsections.js"></script><link href="search/search.css" rel="stylesheet" type="text/css"/><script type="text/javascript" src="search/searchdata.js"></script><script type="text/javascript" src="search/search.js"></script><link href="doxygen.css" rel="stylesheet" type="text/css" /></head><body><div id="top"><!-- do not remove this div, it is closed by doxygen! --><div id="titlearea"><table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;">  <td id="projectalign" style="padding-left: 0.5em;">   <div id="projectname">GRPC Core    <span id="projectnumber">6.0.0-dev</span>   </div>  </td> </tr> </tbody></table></div><!-- end header part --><!-- Generated by Doxygen 1.8.13 --><script type="text/javascript">var searchBox = new SearchBox("searchBox", "search",false,'Search');</script><script type="text/javascript" src="menudata.js"></script><script type="text/javascript" src="menu.js"></script><script type="text/javascript">$(function() {  initMenu('',true,false,'search.php','Search');  $(document).ready(function() { init_search(); });});</script><div id="main-nav"></div><!-- window showing the filter options --><div id="MSearchSelectWindow"     onmouseover="return searchBox.OnSearchSelectShow()"     onmouseout="return searchBox.OnSearchSelectHide()"     onkeydown="return searchBox.OnSearchSelectKey(event)"></div><!-- iframe showing the search results (closed by default) --><div id="MSearchResultsWindow"><iframe src="javascript:void(0)" frameborder="0"         name="MSearchResults" id="MSearchResults"></iframe></div><div id="nav-path" class="navpath">  <ul><li class="navelem"><a class="el" href="dir_d44c64559bbebec7f509842c48db8b23.html">include</a></li><li class="navelem"><a class="el" href="dir_9d7a14d6d9adcbe4c35dbdb88d867e2e.html">grpc</a></li>  </ul></div></div><!-- top --><div class="header">  <div class="headertitle"><div class="title">compression.h</div>  </div></div><!--header--><div class="contents"><a href="compression_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span> <span class="comment">/*</span></div><div class="line"><a name="l00002"></a><span class="lineno">    2</span> <span class="comment"> *</span></div><div class="line"><a name="l00003"></a><span class="lineno">    3</span> <span class="comment"> * Copyright 2015 gRPC authors.</span></div><div class="line"><a name="l00004"></a><span class="lineno">    4</span> <span class="comment"> *</span></div><div class="line"><a name="l00005"></a><span class="lineno">    5</span> <span class="comment"> * Licensed under the Apache License, Version 2.0 (the "License");</span></div><div class="line"><a name="l00006"></a><span class="lineno">    6</span> <span class="comment"> * you may not use this file except in compliance with the License.</span></div><div class="line"><a name="l00007"></a><span class="lineno">    7</span> <span class="comment"> * You may obtain a copy of the License at</span></div><div class="line"><a name="l00008"></a><span class="lineno">    8</span> <span class="comment"> *</span></div><div class="line"><a name="l00009"></a><span class="lineno">    9</span> <span class="comment"> *     http://www.apache.org/licenses/LICENSE-2.0</span></div><div class="line"><a name="l00010"></a><span class="lineno">   10</span> <span class="comment"> *</span></div><div class="line"><a name="l00011"></a><span class="lineno">   11</span> <span class="comment"> * Unless required by applicable law or agreed to in writing, software</span></div><div class="line"><a name="l00012"></a><span class="lineno">   12</span> <span class="comment"> * distributed under the License is distributed on an "AS IS" BASIS,</span></div><div class="line"><a name="l00013"></a><span class="lineno">   13</span> <span class="comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div><div class="line"><a name="l00014"></a><span class="lineno">   14</span> <span class="comment"> * See the License for the specific language governing permissions and</span></div><div class="line"><a name="l00015"></a><span class="lineno">   15</span> <span class="comment"> * limitations under the License.</span></div><div class="line"><a name="l00016"></a><span class="lineno">   16</span> <span class="comment"> *</span></div><div class="line"><a name="l00017"></a><span class="lineno">   17</span> <span class="comment"> */</span></div><div class="line"><a name="l00018"></a><span class="lineno">   18</span> </div><div class="line"><a name="l00019"></a><span class="lineno">   19</span> <span class="preprocessor">#ifndef GRPC_COMPRESSION_H</span></div><div class="line"><a name="l00020"></a><span class="lineno">   20</span> <span class="preprocessor">#define GRPC_COMPRESSION_H</span></div><div class="line"><a name="l00021"></a><span class="lineno">   21</span> </div><div class="line"><a name="l00022"></a><span class="lineno">   22</span> <span class="preprocessor">#include <<a class="code" href="impl_2codegen_2port__platform_8h.html">grpc/impl/codegen/port_platform.h</a>></span></div><div class="line"><a name="l00023"></a><span class="lineno">   23</span> </div><div class="line"><a name="l00024"></a><span class="lineno">   24</span> <span class="preprocessor">#include <stdlib.h></span></div><div class="line"><a name="l00025"></a><span class="lineno">   25</span> </div><div class="line"><a name="l00026"></a><span class="lineno">   26</span> <span class="preprocessor">#include <<a class="code" href="compression__types_8h.html">grpc/impl/codegen/compression_types.h</a>></span></div><div class="line"><a name="l00027"></a><span class="lineno">   27</span> <span class="preprocessor">#include <<a class="code" href="slice_8h.html">grpc/slice.h</a>></span></div><div class="line"><a name="l00028"></a><span class="lineno">   28</span> </div><div class="line"><a name="l00029"></a><span class="lineno">   29</span> <span class="preprocessor">#ifdef __cplusplus</span></div><div class="line"><a name="l00030"></a><span class="lineno">   30</span> <span class="keyword">extern</span> <span class="stringliteral">"C"</span> {</div><div class="line"><a name="l00031"></a><span class="lineno">   31</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00032"></a><span class="lineno">   32</span> </div><div class="line"><a name="l00034"></a><span class="lineno">   34</span> <a class="code" href="impl_2codegen_2port__platform_8h.html#a2865c3b28ea7db75be4c725adb1edc7d">GRPCAPI</a> <span class="keywordtype">int</span> <a class="code" href="compression_8h.html#af41160f827a3ff132755fb25658435c4">grpc_compression_algorithm_is_message</a>(</div><div class="line"><a name="l00035"></a><span class="lineno">   35</span>     <a class="code" href="compression__types_8h.html#ab9de0f68bfb1ef8ed09bd00643db14c9">grpc_compression_algorithm</a> algorithm);</div><div class="line"><a name="l00036"></a><span class="lineno">   36</span> </div><div class="line"><a name="l00038"></a><span class="lineno">   38</span> <a class="code" href="impl_2codegen_2port__platform_8h.html#a2865c3b28ea7db75be4c725adb1edc7d">GRPCAPI</a> <span class="keywordtype">int</span> <a class="code" href="compression_8h.html#a053257ed8bdeba196b380f326897e25d">grpc_compression_algorithm_is_stream</a>(</div><div class="line"><a name="l00039"></a><span class="lineno">   39</span>     <a class="code" href="compression__types_8h.html#ab9de0f68bfb1ef8ed09bd00643db14c9">grpc_compression_algorithm</a> algorithm);</div><div class="line"><a name="l00040"></a><span class="lineno">   40</span> </div><div class="line"><a name="l00043"></a><span class="lineno">   43</span> <a class="code" href="impl_2codegen_2port__platform_8h.html#a2865c3b28ea7db75be4c725adb1edc7d">GRPCAPI</a> <span class="keywordtype">int</span> <a class="code" href="compression_8h.html#a5054ebec22cc256853a7ac2ed61fd654">grpc_compression_algorithm_parse</a>(</div><div class="line"><a name="l00044"></a><span class="lineno">   44</span>     <a class="code" href="structgrpc__slice.html">grpc_slice</a> value, <a class="code" href="compression__types_8h.html#ab9de0f68bfb1ef8ed09bd00643db14c9">grpc_compression_algorithm</a>* algorithm);</div><div class="line"><a name="l00045"></a><span class="lineno">   45</span> </div><div class="line"><a name="l00049"></a><span class="lineno">   49</span> <a class="code" href="impl_2codegen_2port__platform_8h.html#a2865c3b28ea7db75be4c725adb1edc7d">GRPCAPI</a> <span class="keywordtype">int</span> <a class="code" href="compression_8h.html#a177f6d6330355d5ecaffb042ab1c2c8f">grpc_compression_algorithm_name</a>(</div><div class="line"><a name="l00050"></a><span class="lineno">   50</span>     <a class="code" href="compression__types_8h.html#ab9de0f68bfb1ef8ed09bd00643db14c9">grpc_compression_algorithm</a> algorithm, <span class="keyword">const</span> <span class="keywordtype">char</span>** name);</div><div class="line"><a name="l00051"></a><span class="lineno">   51</span> </div><div class="line"><a name="l00054"></a><span class="lineno">   54</span> <a class="code" href="impl_2codegen_2port__platform_8h.html#a2865c3b28ea7db75be4c725adb1edc7d">GRPCAPI</a> <a class="code" href="compression__types_8h.html#ab9de0f68bfb1ef8ed09bd00643db14c9">grpc_compression_algorithm</a> <a class="code" href="compression_8h.html#adc2d1d89d880f67aacc4ce84cd72f8f3">grpc_compression_algorithm_for_level</a>(</div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>     <a class="code" href="compression__types_8h.html#a14a79ed6b5ebd7e1dda7c2684f499cc7">grpc_compression_level</a> level, uint32_t accepted_encodings);</div><div class="line"><a name="l00056"></a><span class="lineno">   56</span> </div><div class="line"><a name="l00057"></a><span class="lineno">   57</span> <a class="code" href="impl_2codegen_2port__platform_8h.html#a2865c3b28ea7db75be4c725adb1edc7d">GRPCAPI</a> <span class="keywordtype">void</span> <a class="code" href="compression_8h.html#a2eccdbe5a4d811a7c965d6d67e5cc7d8">grpc_compression_options_init</a>(<a class="code" href="structgrpc__compression__options.html">grpc_compression_options</a>* opts);</div><div class="line"><a name="l00058"></a><span class="lineno">   58</span> </div><div class="line"><a name="l00060"></a><span class="lineno">   60</span> <a class="code" href="impl_2codegen_2port__platform_8h.html#a2865c3b28ea7db75be4c725adb1edc7d">GRPCAPI</a> <span class="keywordtype">void</span> <a class="code" href="compression_8h.html#a79e61d1ac1d226b3b54b73837f28f0ff">grpc_compression_options_enable_algorithm</a>(</div><div class="line"><a name="l00061"></a><span class="lineno">   61</span>     <a class="code" href="structgrpc__compression__options.html">grpc_compression_options</a>* opts, <a class="code" href="compression__types_8h.html#ab9de0f68bfb1ef8ed09bd00643db14c9">grpc_compression_algorithm</a> algorithm);</div><div class="line"><a name="l00062"></a><span class="lineno">   62</span> </div><div class="line"><a name="l00064"></a><span class="lineno">   64</span> <a class="code" href="impl_2codegen_2port__platform_8h.html#a2865c3b28ea7db75be4c725adb1edc7d">GRPCAPI</a> <span class="keywordtype">void</span> <a class="code" href="compression_8h.html#a1b58d314775a3651ee2f5f2d3ab4f6d9">grpc_compression_options_disable_algorithm</a>(</div><div class="line"><a name="l00065"></a><span class="lineno">   65</span>     <a class="code" href="structgrpc__compression__options.html">grpc_compression_options</a>* opts, <a class="code" href="compression__types_8h.html#ab9de0f68bfb1ef8ed09bd00643db14c9">grpc_compression_algorithm</a> algorithm);</div><div class="line"><a name="l00066"></a><span class="lineno">   66</span> </div><div class="line"><a name="l00068"></a><span class="lineno">   68</span> <a class="code" href="impl_2codegen_2port__platform_8h.html#a2865c3b28ea7db75be4c725adb1edc7d">GRPCAPI</a> <span class="keywordtype">int</span> <a class="code" href="compression_8h.html#aba0dfe631311c3f49d1045694bc9b0df">grpc_compression_options_is_algorithm_enabled</a>(</div><div class="line"><a name="l00069"></a><span class="lineno">   69</span>     <span class="keyword">const</span> <a class="code" href="structgrpc__compression__options.html">grpc_compression_options</a>* opts, <a class="code" href="compression__types_8h.html#ab9de0f68bfb1ef8ed09bd00643db14c9">grpc_compression_algorithm</a> algorithm);</div><div class="line"><a name="l00070"></a><span class="lineno">   70</span> </div><div class="line"><a name="l00071"></a><span class="lineno">   71</span> <span class="preprocessor">#ifdef __cplusplus</span></div><div class="line"><a name="l00072"></a><span class="lineno">   72</span> }</div><div class="line"><a name="l00073"></a><span class="lineno">   73</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00074"></a><span class="lineno">   74</span> </div><div class="line"><a name="l00075"></a><span class="lineno">   75</span> <span class="preprocessor">#endif </span><span class="comment">/* GRPC_COMPRESSION_H */</span><span class="preprocessor"></span></div><div class="ttc" id="compression_8h_html_a2eccdbe5a4d811a7c965d6d67e5cc7d8"><div class="ttname"><a href="compression_8h.html#a2eccdbe5a4d811a7c965d6d67e5cc7d8">grpc_compression_options_init</a></div><div class="ttdeci">GRPCAPI void grpc_compression_options_init(grpc_compression_options *opts)</div></div><div class="ttc" id="compression_8h_html_a177f6d6330355d5ecaffb042ab1c2c8f"><div class="ttname"><a href="compression_8h.html#a177f6d6330355d5ecaffb042ab1c2c8f">grpc_compression_algorithm_name</a></div><div class="ttdeci">GRPCAPI int grpc_compression_algorithm_name(grpc_compression_algorithm algorithm, const char **name)</div><div class="ttdoc">Updates name with the encoding name corresponding to a valid algorithm. </div></div><div class="ttc" id="structgrpc__compression__options_html"><div class="ttname"><a href="structgrpc__compression__options.html">grpc_compression_options</a></div><div class="ttdef"><b>Definition:</b> compression_types.h:78</div></div><div class="ttc" id="compression_8h_html_adc2d1d89d880f67aacc4ce84cd72f8f3"><div class="ttname"><a href="compression_8h.html#adc2d1d89d880f67aacc4ce84cd72f8f3">grpc_compression_algorithm_for_level</a></div><div class="ttdeci">GRPCAPI grpc_compression_algorithm grpc_compression_algorithm_for_level(grpc_compression_level level, uint32_t accepted_encodings)</div><div class="ttdoc">Returns the compression algorithm corresponding to level for the compression algorithms encoded in th...</div></div><div class="ttc" id="compression_8h_html_a79e61d1ac1d226b3b54b73837f28f0ff"><div class="ttname"><a href="compression_8h.html#a79e61d1ac1d226b3b54b73837f28f0ff">grpc_compression_options_enable_algorithm</a></div><div class="ttdeci">GRPCAPI void grpc_compression_options_enable_algorithm(grpc_compression_options *opts, grpc_compression_algorithm algorithm)</div><div class="ttdoc">Mark algorithm as enabled in opts. </div></div><div class="ttc" id="structgrpc__slice_html"><div class="ttname"><a href="structgrpc__slice.html">grpc_slice</a></div><div class="ttdoc">A grpc_slice s, if initialized, represents the byte range s.bytes[0..s.length-1]. ...</div><div class="ttdef"><b>Definition:</b> slice.h:80</div></div><div class="ttc" id="compression__types_8h_html_a14a79ed6b5ebd7e1dda7c2684f499cc7"><div class="ttname"><a href="compression__types_8h.html#a14a79ed6b5ebd7e1dda7c2684f499cc7">grpc_compression_level</a></div><div class="ttdeci">grpc_compression_level</div><div class="ttdoc">Compression levels allow a party with knowledge of its peer&#39;s accepted encodings to request compressi...</div><div class="ttdef"><b>Definition:</b> compression_types.h:70</div></div><div class="ttc" id="compression_8h_html_a1b58d314775a3651ee2f5f2d3ab4f6d9"><div class="ttname"><a href="compression_8h.html#a1b58d314775a3651ee2f5f2d3ab4f6d9">grpc_compression_options_disable_algorithm</a></div><div class="ttdeci">GRPCAPI void grpc_compression_options_disable_algorithm(grpc_compression_options *opts, grpc_compression_algorithm algorithm)</div><div class="ttdoc">Mark algorithm as disabled in opts. </div></div><div class="ttc" id="compression__types_8h_html_ab9de0f68bfb1ef8ed09bd00643db14c9"><div class="ttname"><a href="compression__types_8h.html#ab9de0f68bfb1ef8ed09bd00643db14c9">grpc_compression_algorithm</a></div><div class="ttdeci">grpc_compression_algorithm</div><div class="ttdoc">The various compression algorithms supported by gRPC. </div><div class="ttdef"><b>Definition:</b> compression_types.h:56</div></div><div class="ttc" id="compression_8h_html_aba0dfe631311c3f49d1045694bc9b0df"><div class="ttname"><a href="compression_8h.html#aba0dfe631311c3f49d1045694bc9b0df">grpc_compression_options_is_algorithm_enabled</a></div><div class="ttdeci">GRPCAPI int grpc_compression_options_is_algorithm_enabled(const grpc_compression_options *opts, grpc_compression_algorithm algorithm)</div><div class="ttdoc">Returns true if algorithm is marked as enabled in opts. </div></div><div class="ttc" id="impl_2codegen_2port__platform_8h_html_a2865c3b28ea7db75be4c725adb1edc7d"><div class="ttname"><a href="impl_2codegen_2port__platform_8h.html#a2865c3b28ea7db75be4c725adb1edc7d">GRPCAPI</a></div><div class="ttdeci">#define GRPCAPI</div><div class="ttdef"><b>Definition:</b> port_platform.h:470</div></div><div class="ttc" id="slice_8h_html"><div class="ttname"><a href="slice_8h.html">slice.h</a></div></div><div class="ttc" id="compression_8h_html_a053257ed8bdeba196b380f326897e25d"><div class="ttname"><a href="compression_8h.html#a053257ed8bdeba196b380f326897e25d">grpc_compression_algorithm_is_stream</a></div><div class="ttdeci">GRPCAPI int grpc_compression_algorithm_is_stream(grpc_compression_algorithm algorithm)</div><div class="ttdoc">Return if an algorithm is stream compression algorithm. </div></div><div class="ttc" id="compression_8h_html_a5054ebec22cc256853a7ac2ed61fd654"><div class="ttname"><a href="compression_8h.html#a5054ebec22cc256853a7ac2ed61fd654">grpc_compression_algorithm_parse</a></div><div class="ttdeci">GRPCAPI int grpc_compression_algorithm_parse(grpc_slice value, grpc_compression_algorithm *algorithm)</div><div class="ttdoc">Parses the slice as a grpc_compression_algorithm instance and updating algorithm. ...</div></div><div class="ttc" id="compression__types_8h_html"><div class="ttname"><a href="compression__types_8h.html">compression_types.h</a></div></div><div class="ttc" id="impl_2codegen_2port__platform_8h_html"><div class="ttname"><a href="impl_2codegen_2port__platform_8h.html">port_platform.h</a></div></div><div class="ttc" id="compression_8h_html_af41160f827a3ff132755fb25658435c4"><div class="ttname"><a href="compression_8h.html#af41160f827a3ff132755fb25658435c4">grpc_compression_algorithm_is_message</a></div><div class="ttdeci">GRPCAPI int grpc_compression_algorithm_is_message(grpc_compression_algorithm algorithm)</div><div class="ttdoc">Return if an algorithm is message compression algorithm. </div></div></div><!-- fragment --></div><!-- contents --><!-- start footer part --><hr class="footer"/><address class="footer"><small>Generated on Tue May 15 2018 17:01:00 for GRPC Core by  <a href="http://www.doxygen.org/index.html"><img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.13</small></address></body></html>
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