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  68. <div class="title">compression.h</div> </div>
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  71. <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>&#160;<span class="comment">/*</span></div>
  72. <div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment"> *</span></div>
  73. <div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment"> * Copyright 2015 gRPC authors.</span></div>
  74. <div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment"> *</span></div>
  75. <div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment"> * Licensed under the Apache License, Version 2.0 (the &quot;License&quot;);</span></div>
  76. <div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="comment"> * you may not use this file except in compliance with the License.</span></div>
  77. <div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="comment"> * You may obtain a copy of the License at</span></div>
  78. <div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="comment"> *</span></div>
  79. <div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="comment"> * http://www.apache.org/licenses/LICENSE-2.0</span></div>
  80. <div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="comment"> *</span></div>
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  82. <div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="comment"> * distributed under the License is distributed on an &quot;AS IS&quot; BASIS,</span></div>
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  87. <div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="comment"> */</span></div>
  88. <div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160; </div>
  89. <div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="preprocessor">#ifndef GRPC_COMPRESSION_H</span></div>
  90. <div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="preprocessor">#define GRPC_COMPRESSION_H</span></div>
  91. <div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160; </div>
  92. <div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="impl_2codegen_2port__platform_8h.html">grpc/impl/codegen/port_platform.h</a>&gt;</span></div>
  93. <div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160; </div>
  94. <div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="preprocessor">#include &lt;stdlib.h&gt;</span></div>
  95. <div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160; </div>
  96. <div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="compression__types_8h.html">grpc/impl/codegen/compression_types.h</a>&gt;</span></div>
  97. <div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="slice_8h.html">grpc/slice.h</a>&gt;</span></div>
  98. <div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160; </div>
  99. <div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;<span class="preprocessor">#ifdef __cplusplus</span></div>
  100. <div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;<span class="keyword">extern</span> <span class="stringliteral">&quot;C&quot;</span> {</div>
  101. <div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;<span class="preprocessor">#endif</span></div>
  102. <div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160; </div>
  103. <div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160;<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>
  104. <div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160; <a class="code" href="compression__types_8h.html#ab9de0f68bfb1ef8ed09bd00643db14c9">grpc_compression_algorithm</a> algorithm);</div>
  105. <div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160; </div>
  106. <div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160;<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>
  107. <div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160; <a class="code" href="compression__types_8h.html#ab9de0f68bfb1ef8ed09bd00643db14c9">grpc_compression_algorithm</a> algorithm);</div>
  108. <div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; </div>
  109. <div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160;<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#a181bd18d294ab2bf93b10b8add9f88e2">grpc_compression_algorithm_parse</a>(</div>
  110. <div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; <a class="code" href="structgrpc__slice.html">grpc_slice</a> name, <a class="code" href="compression__types_8h.html#ab9de0f68bfb1ef8ed09bd00643db14c9">grpc_compression_algorithm</a>* algorithm);</div>
  111. <div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; </div>
  112. <div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160;<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>
  113. <div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; <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>
  114. <div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; </div>
  115. <div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160;<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>
  116. <div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; <a class="code" href="compression__types_8h.html#a14a79ed6b5ebd7e1dda7c2684f499cc7">grpc_compression_level</a> level, uint32_t accepted_encodings);</div>
  117. <div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; </div>
  118. <div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160;<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>
  119. <div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; </div>
  120. <div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160;<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>
  121. <div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; <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>
  122. <div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; </div>
  123. <div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160;<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>
  124. <div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; <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>
  125. <div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; </div>
  126. <div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160;<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>
  127. <div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160; <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>
  128. <div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; </div>
  129. <div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160;<span class="preprocessor">#ifdef __cplusplus</span></div>
  130. <div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160;}</div>
  131. <div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160;<span class="preprocessor">#endif</span></div>
  132. <div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; </div>
  133. <div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160;<span class="preprocessor">#endif </span><span class="comment">/* GRPC_COMPRESSION_H */</span><span class="preprocessor"></span></div>
  134. </div><!-- fragment --></div><!-- contents -->
  135. <div class="ttc" id="acompression_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>
  136. <div class="ttc" id="acompression__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 (not sorted by compression level)</div><div class="ttdef"><b>Definition:</b> compression_types.h:57</div></div>
  137. <div class="ttc" id="astructgrpc__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:79</div></div>
  138. <div class="ttc" id="acompression_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>
  139. <div class="ttc" id="acompression_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>
  140. <div class="ttc" id="acompression_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>
  141. <div class="ttc" id="astructgrpc__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:60</div></div>
  142. <div class="ttc" id="acompression_8h_html_a181bd18d294ab2bf93b10b8add9f88e2"><div class="ttname"><a href="compression_8h.html#a181bd18d294ab2bf93b10b8add9f88e2">grpc_compression_algorithm_parse</a></div><div class="ttdeci">GRPCAPI int grpc_compression_algorithm_parse(grpc_slice name, grpc_compression_algorithm *algorithm)</div><div class="ttdoc">Parses the slice as a grpc_compression_algorithm instance and updating algorithm.</div></div>
  143. <div class="ttc" id="acompression_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>
  144. <div class="ttc" id="acompression__types_8h_html"><div class="ttname"><a href="compression__types_8h.html">compression_types.h</a></div></div>
  145. <div class="ttc" id="acompression_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>
  146. <div class="ttc" id="acompression_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>
  147. <div class="ttc" id="aimpl_2codegen_2port__platform_8h_html"><div class="ttname"><a href="impl_2codegen_2port__platform_8h.html">port_platform.h</a></div></div>
  148. <div class="ttc" id="acompression__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's accepted encodings to request compressi...</div><div class="ttdef"><b>Definition:</b> compression_types.h:71</div></div>
  149. <div class="ttc" id="acompression_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>
  150. <div class="ttc" id="aimpl_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:555</div></div>
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