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  73. <a href="impl_2codegen_2proto__buffer__reader_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>
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  75. <div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"> * Copyright 2015 gRPC authors.</span></div>
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  81. <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>
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    90. 

  90. <div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160; </div>
    91. 

  91. <div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="preprocessor">#ifndef GRPCPP_IMPL_CODEGEN_PROTO_BUFFER_READER_H</span></div>
    92. 

  92. <div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="preprocessor">#define GRPCPP_IMPL_CODEGEN_PROTO_BUFFER_READER_H</span></div>
    93. 

  93. <div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160; </div>
    94. 

  94. <div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="preprocessor">#include &lt;type_traits&gt;</span></div>
    95. 

  95. <div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160; </div>
    96. 

  96. <div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="impl_2codegen_2byte__buffer__reader_8h.html">grpc/impl/codegen/byte_buffer_reader.h</a>&gt;</span></div>
    97. 

  97. <div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="grpc__types_8h.html">grpc/impl/codegen/grpc_types.h</a>&gt;</span></div>
    98. 

  98. <div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="grpc_2impl_2codegen_2slice_8h.html">grpc/impl/codegen/slice.h</a>&gt;</span></div>
    99. 

  99. <div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="grpcpp_2impl_2codegen_2byte__buffer_8h.html">grpcpp/impl/codegen/byte_buffer.h</a>&gt;</span></div>
    100. 

  100. <div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="grpcpp_2impl_2codegen_2config__protobuf_8h.html">grpcpp/impl/codegen/config_protobuf.h</a>&gt;</span></div>
    101. 

  101. <div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="grpcpp_2impl_2codegen_2core__codegen__interface_8h.html">grpcpp/impl/codegen/core_codegen_interface.h</a>&gt;</span></div>
    102. 

  102. <div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="grpcpp_2impl_2codegen_2serialization__traits_8h.html">grpcpp/impl/codegen/serialization_traits.h</a>&gt;</span></div>
    103. 

  103. <div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="grpcpp_2impl_2codegen_2status_8h.html">grpcpp/impl/codegen/status.h</a>&gt;</span></div>
    104. 

  104. <div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160; </div>
    105. 

  105. <div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160; </div>
    106. 

  106. <div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespacegrpc.html">grpc</a> {</div>
    107. 

  107. <div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160; </div>
    108. 

  108. <div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;<span class="keyword">extern</span> CoreCodegenInterface* <a class="code" href="namespacegrpc.html#abbcecc18dae64c65df0b6d9aa8bf67a8">g_core_codegen_interface</a>;</div>
    109. 

  109. <div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160; </div>
    110. 

  110. <div class="line"><a name="l00046"></a><span class="lineno"><a class="line" href="classgrpc_1_1_proto_buffer_reader.html">   46</a></span>&#160;<span class="keyword">class </span><a class="code" href="classgrpc_1_1_proto_buffer_reader.html">ProtoBufferReader</a> : <span class="keyword">public</span> <a class="code" href="namespacegrpc_1_1protobuf_1_1io.html#ae16bb38d6b730de308f0be4eb43931b4">::grpc::protobuf::io::ZeroCopyInputStream</a> {</div>
    111. 

  111. <div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160; <span class="keyword">public</span>:</div>
    112. 

  112. <div class="line"><a name="l00050"></a><span class="lineno"><a class="line" href="classgrpc_1_1_proto_buffer_reader.html#aa00588464b3586ea57b8d4f20b526934">   50</a></span>&#160;  <span class="keyword">explicit</span> <a class="code" href="classgrpc_1_1_proto_buffer_reader.html#aa00588464b3586ea57b8d4f20b526934">ProtoBufferReader</a>(<a class="code" href="classgrpc_1_1_byte_buffer.html">ByteBuffer</a>* buffer)</div>
    113. 

  113. <div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;      : byte_count_(0), backup_count_(0), status_() {</div>
    114. 

  114. <div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;    <span class="keywordflow">if</span> (!buffer-&gt;<a class="code" href="classgrpc_1_1_byte_buffer.html#aea6bcd0d3c70fc14158df68c59dc82d4">Valid</a>() ||</div>
    115. 

  115. <div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;        !<a class="code" href="namespacegrpc.html#abbcecc18dae64c65df0b6d9aa8bf67a8">g_core_codegen_interface</a>-&gt;<a class="code" href="classgrpc_1_1_core_codegen_interface.html#a87f88e27e88172507b25414045d53d13">grpc_byte_buffer_reader_init</a>(</div>
    116. 

  116. <div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;            &amp;reader_, buffer-&gt;c_buffer())) {</div>
    117. 

  117. <div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;      status_ = <a class="code" href="namespacegrpc_1_1protobuf_1_1util.html#a717f1a5db6c98d3f27340afd6f28bf7e">Status</a>(<a class="code" href="namespacegrpc.html#aff1730578c90160528f6a8d67ef5c43ba0ae30536146394965fd8ad64c2d414f3">StatusCode::INTERNAL</a>,</div>
    118. 

  118. <div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;                       <span class="stringliteral">&quot;Couldn&#39;t initialize byte buffer reader&quot;</span>);</div>
    119. 

  119. <div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;    }</div>
    120. 

  120. <div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;  }</div>
    121. 

  121. <div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160; </div>
    122. 

  122. <div class="line"><a name="l00062"></a><span class="lineno"><a class="line" href="classgrpc_1_1_proto_buffer_reader.html#a8b97402d4707d6bd8b4910961aa8a757">   62</a></span>&#160;  <a class="code" href="classgrpc_1_1_proto_buffer_reader.html#a8b97402d4707d6bd8b4910961aa8a757">~ProtoBufferReader</a>()<span class="keyword"> override </span>{</div>
    123. 

  123. <div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;    <span class="keywordflow">if</span> (status_.<a class="code" href="classgrpc_1_1_status.html#ab80672b5665c32dc0937a0d58a3ce192">ok</a>()) {</div>
    124. 

  124. <div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;      <a class="code" href="namespacegrpc.html#abbcecc18dae64c65df0b6d9aa8bf67a8">g_core_codegen_interface</a>-&gt;<a class="code" href="classgrpc_1_1_core_codegen_interface.html#a8c74c34181034fe2b294edb7644dcfe6">grpc_byte_buffer_reader_destroy</a>(&amp;reader_);</div>
    125. 

  125. <div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;    }</div>
    126. 

  126. <div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;  }</div>
    127. 

  127. <div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160; </div>
    128. 

  128. <div class="line"><a name="l00070"></a><span class="lineno"><a class="line" href="classgrpc_1_1_proto_buffer_reader.html#a5535d30e741c8a081a0fec40620b37e8">   70</a></span>&#160;  <span class="keywordtype">bool</span> <a class="code" href="classgrpc_1_1_proto_buffer_reader.html#a5535d30e741c8a081a0fec40620b37e8">Next</a>(<span class="keyword">const</span> <span class="keywordtype">void</span>** data, <span class="keywordtype">int</span>* size)<span class="keyword"> override </span>{</div>
    129. 

  129. <div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;    <span class="keywordflow">if</span> (!status_.<a class="code" href="classgrpc_1_1_status.html#ab80672b5665c32dc0937a0d58a3ce192">ok</a>()) {</div>
    130. 

  130. <div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;      <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
    131. 

  131. <div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;    }</div>
    132. 

  132. <div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;    <span class="keywordflow">if</span> (backup_count_ &gt; 0) {</div>
    133. 

  133. <div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;      *data = <a class="code" href="grpc_2impl_2codegen_2slice_8h.html#a8a15783c251cdeb18c3f8b0ad41d0352">GRPC_SLICE_START_PTR</a>(*slice_) + <a class="code" href="grpc_2impl_2codegen_2slice_8h.html#ae965fb2ee1a646253cdbd49d82b0b6c5">GRPC_SLICE_LENGTH</a>(*slice_) -</div>
    134. 

  134. <div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;              backup_count_;</div>
    135. 

  135. <div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;      <a class="code" href="grpcpp_2impl_2codegen_2core__codegen__interface_8h.html#a39c1421e7081b57c503487659e2653a5">GPR_CODEGEN_ASSERT</a>(backup_count_ &lt;= INT_MAX);</div>
    136. 

  136. <div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;      *size = <span class="keyword">static_cast&lt;</span><span class="keywordtype">int</span><span class="keyword">&gt;</span>(backup_count_);</div>
    137. 

  137. <div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;      backup_count_ = 0;</div>
    138. 

  138. <div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;      <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
    139. 

  139. <div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;    }</div>
    140. 

  140. <div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;    <span class="keywordflow">if</span> (!<a class="code" href="namespacegrpc.html#abbcecc18dae64c65df0b6d9aa8bf67a8">g_core_codegen_interface</a>-&gt;<a class="code" href="classgrpc_1_1_core_codegen_interface.html#ad76b2cdb38bc92fc89396622d44107c0">grpc_byte_buffer_reader_peek</a>(&amp;reader_,</div>
    141. 

  141. <div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;                                                                &amp;slice_)) {</div>
    142. 

  142. <div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;      <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
    143. 

  143. <div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;    }</div>
    144. 

  144. <div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;    *data = <a class="code" href="grpc_2impl_2codegen_2slice_8h.html#a8a15783c251cdeb18c3f8b0ad41d0352">GRPC_SLICE_START_PTR</a>(*slice_);</div>
    145. 

  145. <div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;    <span class="comment">// On win x64, int is only 32bit</span></div>
    146. 

  146. <div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;    <a class="code" href="grpcpp_2impl_2codegen_2core__codegen__interface_8h.html#a39c1421e7081b57c503487659e2653a5">GPR_CODEGEN_ASSERT</a>(<a class="code" href="grpc_2impl_2codegen_2slice_8h.html#ae965fb2ee1a646253cdbd49d82b0b6c5">GRPC_SLICE_LENGTH</a>(*slice_) &lt;= INT_MAX);</div>
    147. 

  147. <div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;    byte_count_ += * size = <span class="keyword">static_cast&lt;</span><span class="keywordtype">int</span><span class="keyword">&gt;</span>(<a class="code" href="grpc_2impl_2codegen_2slice_8h.html#ae965fb2ee1a646253cdbd49d82b0b6c5">GRPC_SLICE_LENGTH</a>(*slice_));</div>
    148. 

  148. <div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;    <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
    149. 

  149. <div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;  }</div>
    150. 

  150. <div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160; </div>
    151. 

  151. <div class="line"><a name="l00096"></a><span class="lineno"><a class="line" href="classgrpc_1_1_proto_buffer_reader.html#a50b5c353ac2d915b09e68bf9c1f7136e">   96</a></span>&#160;  <a class="code" href="classgrpc_1_1_status.html">Status</a> <a class="code" href="classgrpc_1_1_proto_buffer_reader.html#a50b5c353ac2d915b09e68bf9c1f7136e">status</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> status_; }</div>
    152. 

  152. <div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160; </div>
    153. 

  153. <div class="line"><a name="l00101"></a><span class="lineno"><a class="line" href="classgrpc_1_1_proto_buffer_reader.html#adb77905f9cecd961c6066dc78d93a60c">  101</a></span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classgrpc_1_1_proto_buffer_reader.html#adb77905f9cecd961c6066dc78d93a60c">BackUp</a>(<span class="keywordtype">int</span> count)<span class="keyword"> override </span>{</div>
    154. 

  154. <div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;    <a class="code" href="grpcpp_2impl_2codegen_2core__codegen__interface_8h.html#a39c1421e7081b57c503487659e2653a5">GPR_CODEGEN_ASSERT</a>(count &lt;= <span class="keyword">static_cast&lt;</span><span class="keywordtype">int</span><span class="keyword">&gt;</span>(<a class="code" href="grpc_2impl_2codegen_2slice_8h.html#ae965fb2ee1a646253cdbd49d82b0b6c5">GRPC_SLICE_LENGTH</a>(*slice_)));</div>
    155. 

  155. <div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;    backup_count_ = count;</div>
    156. 

  156. <div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;  }</div>
    157. 

  157. <div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160; </div>
    158. 

  158. <div class="line"><a name="l00108"></a><span class="lineno"><a class="line" href="classgrpc_1_1_proto_buffer_reader.html#a6f9fdfde9953f08b5ca247e6e1b2f02b">  108</a></span>&#160;  <span class="keywordtype">bool</span> <a class="code" href="classgrpc_1_1_proto_buffer_reader.html#a6f9fdfde9953f08b5ca247e6e1b2f02b">Skip</a>(<span class="keywordtype">int</span> count)<span class="keyword"> override </span>{</div>
    159. 

  159. <div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">void</span>* data;</div>
    160. 

  160. <div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;    <span class="keywordtype">int</span> size;</div>
    161. 

  161. <div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;    <span class="keywordflow">while</span> (<a class="code" href="classgrpc_1_1_proto_buffer_reader.html#a5535d30e741c8a081a0fec40620b37e8">Next</a>(&amp;data, &amp;size)) {</div>
    162. 

  162. <div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;      <span class="keywordflow">if</span> (size &gt;= count) {</div>
    163. 

  163. <div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;        <a class="code" href="classgrpc_1_1_proto_buffer_reader.html#adb77905f9cecd961c6066dc78d93a60c">BackUp</a>(size - count);</div>
    164. 

  164. <div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
    165. 

  165. <div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;      }</div>
    166. 

  166. <div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;      <span class="comment">// size &lt; count;</span></div>
    167. 

  167. <div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;      count -= size;</div>
    168. 

  168. <div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;    }</div>
    169. 

  169. <div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;    <span class="comment">// error or we have too large count;</span></div>
    170. 

  170. <div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;    <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
    171. 

  171. <div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;  }</div>
    172. 

  172. <div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160; </div>
    173. 

  173. <div class="line"><a name="l00124"></a><span class="lineno"><a class="line" href="classgrpc_1_1_proto_buffer_reader.html#a98601902abf9a69f2072e81aa65f67a0">  124</a></span>&#160;  int64_t <a class="code" href="classgrpc_1_1_proto_buffer_reader.html#a98601902abf9a69f2072e81aa65f67a0">ByteCount</a>()<span class="keyword"> const override </span>{ <span class="keywordflow">return</span> byte_count_ - backup_count_; }</div>
    174. 

  174. <div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160; </div>
    175. 

  175. <div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;  <span class="comment">// These protected members are needed to support internal optimizations.</span></div>
    176. 

  176. <div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;  <span class="comment">// they expose internal bits of grpc core that are NOT stable. If you have</span></div>
    177. 

  177. <div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;  <span class="comment">// a use case needs to use one of these functions, please send an email to</span></div>
    178. 

  178. <div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;  <span class="comment">// https://groups.google.com/forum/#!forum/grpc-io.</span></div>
    179. 

  179. <div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160; <span class="keyword">protected</span>:</div>
    180. 

  180. <div class="line"><a name="l00131"></a><span class="lineno"><a class="line" href="classgrpc_1_1_proto_buffer_reader.html#a9fa8b889f80d4bf56f6915ad9245ac3b">  131</a></span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classgrpc_1_1_proto_buffer_reader.html#a9fa8b889f80d4bf56f6915ad9245ac3b">set_byte_count</a>(int64_t byte_count) { byte_count_ = byte_count; }</div>
    181. 

  181. <div class="line"><a name="l00132"></a><span class="lineno"><a class="line" href="classgrpc_1_1_proto_buffer_reader.html#ac9dad34d4b14195b85d5cd019ba5d7d1">  132</a></span>&#160;  int64_t <a class="code" href="classgrpc_1_1_proto_buffer_reader.html#ac9dad34d4b14195b85d5cd019ba5d7d1">backup_count</a>() { <span class="keywordflow">return</span> backup_count_; }</div>
    182. 

  182. <div class="line"><a name="l00133"></a><span class="lineno"><a class="line" href="classgrpc_1_1_proto_buffer_reader.html#a56f59bca6804e19d0f780c80ccbca031">  133</a></span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classgrpc_1_1_proto_buffer_reader.html#a56f59bca6804e19d0f780c80ccbca031">set_backup_count</a>(int64_t <a class="code" href="classgrpc_1_1_proto_buffer_reader.html#ac9dad34d4b14195b85d5cd019ba5d7d1">backup_count</a>) { backup_count_ = <a class="code" href="classgrpc_1_1_proto_buffer_reader.html#ac9dad34d4b14195b85d5cd019ba5d7d1">backup_count</a>; }</div>
    183. 

  183. <div class="line"><a name="l00134"></a><span class="lineno"><a class="line" href="classgrpc_1_1_proto_buffer_reader.html#aa50ef34b08b9cb338dc26db6be108748">  134</a></span>&#160;  <a class="code" href="structgrpc__byte__buffer__reader.html">grpc_byte_buffer_reader</a>* <a class="code" href="classgrpc_1_1_proto_buffer_reader.html#aa50ef34b08b9cb338dc26db6be108748">reader</a>() { <span class="keywordflow">return</span> &amp;reader_; }</div>
    184. 

  184. <div class="line"><a name="l00135"></a><span class="lineno"><a class="line" href="classgrpc_1_1_proto_buffer_reader.html#a0874823748781629e0b2bde470d78bf3">  135</a></span>&#160;  <a class="code" href="structgrpc__slice.html">grpc_slice</a>* <a class="code" href="classgrpc_1_1_proto_buffer_reader.html#a0874823748781629e0b2bde470d78bf3">slice</a>() { <span class="keywordflow">return</span> slice_; }</div>
    185. 

  185. <div class="line"><a name="l00136"></a><span class="lineno"><a class="line" href="classgrpc_1_1_proto_buffer_reader.html#a0a79dd8c63deb9cb1837d531229a7577">  136</a></span>&#160;  <a class="code" href="structgrpc__slice.html">grpc_slice</a>** <a class="code" href="classgrpc_1_1_proto_buffer_reader.html#a0a79dd8c63deb9cb1837d531229a7577">mutable_slice_ptr</a>() { <span class="keywordflow">return</span> &amp;slice_; }</div>
    186. 

  186. <div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160; </div>
    187. 

  187. <div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160; <span class="keyword">private</span>:</div>
    188. 

  188. <div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;  int64_t byte_count_;              </div>
    189. 

  189. <div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;  int64_t backup_count_;            </div>
    190. 

  190. <div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;  <a class="code" href="structgrpc__byte__buffer__reader.html">grpc_byte_buffer_reader</a> reader_;  </div>
    191. 

  191. <div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;  <a class="code" href="structgrpc__slice.html">grpc_slice</a>* slice_;               </div>
    192. 

  192. <div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;  <a class="code" href="classgrpc_1_1_status.html">Status</a> status_;                   </div>
    193. 

  193. <div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;};</div>
    194. 

  194. <div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160; </div>
    195. 

  195. <div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;}  <span class="comment">// namespace grpc</span></div>
    196. 

  196. <div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160; </div>
    197. 

  197. <div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;<span class="preprocessor">#endif  // GRPCPP_IMPL_CODEGEN_PROTO_BUFFER_READER_H</span></div>
    198. 

  198. </div><!-- fragment --></div><!-- contents -->
    199. 

  199. <div class="ttc" id="agrpc_2impl_2codegen_2slice_8h_html_ae965fb2ee1a646253cdbd49d82b0b6c5"><div class="ttname"><a href="grpc_2impl_2codegen_2slice_8h.html#ae965fb2ee1a646253cdbd49d82b0b6c5">GRPC_SLICE_LENGTH</a></div><div class="ttdeci">#define GRPC_SLICE_LENGTH(slice)</div><div class="ttdef"><b>Definition:</b> slice.h:99</div></div>
    200. 

  200. <div class="ttc" id="aclassgrpc_1_1_core_codegen_interface_html_ad76b2cdb38bc92fc89396622d44107c0"><div class="ttname"><a href="classgrpc_1_1_core_codegen_interface.html#ad76b2cdb38bc92fc89396622d44107c0">grpc::CoreCodegenInterface::grpc_byte_buffer_reader_peek</a></div><div class="ttdeci">virtual int grpc_byte_buffer_reader_peek(grpc_byte_buffer_reader *reader, grpc_slice **slice)=0</div></div>
    201. 

  201. <div class="ttc" id="anamespacegrpc_html"><div class="ttname"><a href="namespacegrpc.html">grpc</a></div><div class="ttdoc">An Alarm posts the user-provided tag to its associated completion queue or invokes the user-provided ...</div><div class="ttdef"><b>Definition:</b> alarm.h:33</div></div>
    202. 

  202. <div class="ttc" id="agrpcpp_2impl_2codegen_2status_8h_html"><div class="ttname"><a href="grpcpp_2impl_2codegen_2status_8h.html">status.h</a></div></div>
    203. 

  203. <div class="ttc" id="aclassgrpc_1_1_proto_buffer_reader_html_a8b97402d4707d6bd8b4910961aa8a757"><div class="ttname"><a href="classgrpc_1_1_proto_buffer_reader.html#a8b97402d4707d6bd8b4910961aa8a757">grpc::ProtoBufferReader::~ProtoBufferReader</a></div><div class="ttdeci">~ProtoBufferReader() override</div><div class="ttdef"><b>Definition:</b> proto_buffer_reader.h:62</div></div>
    204. 

  204. <div class="ttc" id="aimpl_2codegen_2byte__buffer__reader_8h_html"><div class="ttname"><a href="impl_2codegen_2byte__buffer__reader_8h.html">byte_buffer_reader.h</a></div></div>
    205. 

  205. <div class="ttc" id="aclassgrpc_1_1_proto_buffer_reader_html_aa00588464b3586ea57b8d4f20b526934"><div class="ttname"><a href="classgrpc_1_1_proto_buffer_reader.html#aa00588464b3586ea57b8d4f20b526934">grpc::ProtoBufferReader::ProtoBufferReader</a></div><div class="ttdeci">ProtoBufferReader(ByteBuffer *buffer)</div><div class="ttdoc">Constructs buffer reader from buffer.</div><div class="ttdef"><b>Definition:</b> proto_buffer_reader.h:50</div></div>
    206. 

  206. <div class="ttc" id="agrpcpp_2impl_2codegen_2serialization__traits_8h_html"><div class="ttname"><a href="grpcpp_2impl_2codegen_2serialization__traits_8h.html">serialization_traits.h</a></div></div>
    207. 

  207. <div class="ttc" id="anamespacegrpc_1_1protobuf_1_1io_html_ae16bb38d6b730de308f0be4eb43931b4"><div class="ttname"><a href="namespacegrpc_1_1protobuf_1_1io.html#ae16bb38d6b730de308f0be4eb43931b4">grpc::protobuf::io::ZeroCopyInputStream</a></div><div class="ttdeci">::google::protobuf::io::ZeroCopyInputStream ZeroCopyInputStream</div><div class="ttdef"><b>Definition:</b> config_protobuf.h:99</div></div>
    208. 

  208. <div class="ttc" id="agrpcpp_2impl_2codegen_2core__codegen__interface_8h_html"><div class="ttname"><a href="grpcpp_2impl_2codegen_2core__codegen__interface_8h.html">core_codegen_interface.h</a></div></div>
    209. 

  209. <div class="ttc" id="aclassgrpc_1_1_proto_buffer_reader_html_ac9dad34d4b14195b85d5cd019ba5d7d1"><div class="ttname"><a href="classgrpc_1_1_proto_buffer_reader.html#ac9dad34d4b14195b85d5cd019ba5d7d1">grpc::ProtoBufferReader::backup_count</a></div><div class="ttdeci">int64_t backup_count()</div><div class="ttdef"><b>Definition:</b> proto_buffer_reader.h:132</div></div>
    210. 

  210. <div class="ttc" id="aclassgrpc_1_1_status_html_ab80672b5665c32dc0937a0d58a3ce192"><div class="ttname"><a href="classgrpc_1_1_status.html#ab80672b5665c32dc0937a0d58a3ce192">grpc::Status::ok</a></div><div class="ttdeci">bool ok() const</div><div class="ttdoc">Is the status OK?</div><div class="ttdef"><b>Definition:</b> status.h:118</div></div>
    211. 

  211. <div class="ttc" id="agrpcpp_2impl_2codegen_2byte__buffer_8h_html"><div class="ttname"><a href="grpcpp_2impl_2codegen_2byte__buffer_8h.html">byte_buffer.h</a></div></div>
    212. 

  212. <div class="ttc" id="aclassgrpc_1_1_proto_buffer_reader_html_adb77905f9cecd961c6066dc78d93a60c"><div class="ttname"><a href="classgrpc_1_1_proto_buffer_reader.html#adb77905f9cecd961c6066dc78d93a60c">grpc::ProtoBufferReader::BackUp</a></div><div class="ttdeci">void BackUp(int count) override</div><div class="ttdoc">The proto library calls this to indicate that we should back up count bytes that have already been re...</div><div class="ttdef"><b>Definition:</b> proto_buffer_reader.h:101</div></div>
    213. 

  213. <div class="ttc" id="agrpc__types_8h_html"><div class="ttname"><a href="grpc__types_8h.html">grpc_types.h</a></div></div>
    214. 

  214. <div class="ttc" id="aclassgrpc_1_1_status_html"><div class="ttname"><a href="classgrpc_1_1_status.html">grpc::Status</a></div><div class="ttdoc">Did it work? If it didn't, why?</div><div class="ttdef"><b>Definition:</b> status.h:31</div></div>
    215. 

  215. <div class="ttc" id="aclassgrpc_1_1_proto_buffer_reader_html_aa50ef34b08b9cb338dc26db6be108748"><div class="ttname"><a href="classgrpc_1_1_proto_buffer_reader.html#aa50ef34b08b9cb338dc26db6be108748">grpc::ProtoBufferReader::reader</a></div><div class="ttdeci">grpc_byte_buffer_reader * reader()</div><div class="ttdef"><b>Definition:</b> proto_buffer_reader.h:134</div></div>
    216. 

  216. <div class="ttc" id="aclassgrpc_1_1_proto_buffer_reader_html_a98601902abf9a69f2072e81aa65f67a0"><div class="ttname"><a href="classgrpc_1_1_proto_buffer_reader.html#a98601902abf9a69f2072e81aa65f67a0">grpc::ProtoBufferReader::ByteCount</a></div><div class="ttdeci">int64_t ByteCount() const override</div><div class="ttdoc">Returns the total number of bytes read since this object was created.</div><div class="ttdef"><b>Definition:</b> proto_buffer_reader.h:124</div></div>
    217. 

  217. <div class="ttc" id="aclassgrpc_1_1_proto_buffer_reader_html_a6f9fdfde9953f08b5ca247e6e1b2f02b"><div class="ttname"><a href="classgrpc_1_1_proto_buffer_reader.html#a6f9fdfde9953f08b5ca247e6e1b2f02b">grpc::ProtoBufferReader::Skip</a></div><div class="ttdeci">bool Skip(int count) override</div><div class="ttdoc">The proto library calls this to skip over count bytes.</div><div class="ttdef"><b>Definition:</b> proto_buffer_reader.h:108</div></div>
    218. 

  218. <div class="ttc" id="aclassgrpc_1_1_byte_buffer_html"><div class="ttname"><a href="classgrpc_1_1_byte_buffer.html">grpc::ByteBuffer</a></div><div class="ttdoc">A sequence of bytes.</div><div class="ttdef"><b>Definition:</b> byte_buffer.h:61</div></div>
    219. 

  219. <div class="ttc" id="aclassgrpc_1_1_proto_buffer_reader_html"><div class="ttname"><a href="classgrpc_1_1_proto_buffer_reader.html">grpc::ProtoBufferReader</a></div><div class="ttdoc">This is a specialization of the protobuf class ZeroCopyInputStream The principle is to get one chunk ...</div><div class="ttdef"><b>Definition:</b> proto_buffer_reader.h:46</div></div>
    220. 

  220. <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>
    221. 

  221. <div class="ttc" id="aclassgrpc_1_1_proto_buffer_reader_html_a9fa8b889f80d4bf56f6915ad9245ac3b"><div class="ttname"><a href="classgrpc_1_1_proto_buffer_reader.html#a9fa8b889f80d4bf56f6915ad9245ac3b">grpc::ProtoBufferReader::set_byte_count</a></div><div class="ttdeci">void set_byte_count(int64_t byte_count)</div><div class="ttdef"><b>Definition:</b> proto_buffer_reader.h:131</div></div>
    222. 

  222. <div class="ttc" id="aclassgrpc_1_1_proto_buffer_reader_html_a0a79dd8c63deb9cb1837d531229a7577"><div class="ttname"><a href="classgrpc_1_1_proto_buffer_reader.html#a0a79dd8c63deb9cb1837d531229a7577">grpc::ProtoBufferReader::mutable_slice_ptr</a></div><div class="ttdeci">grpc_slice ** mutable_slice_ptr()</div><div class="ttdef"><b>Definition:</b> proto_buffer_reader.h:136</div></div>
    223. 

  223. <div class="ttc" id="anamespacegrpc_1_1protobuf_1_1util_html_a717f1a5db6c98d3f27340afd6f28bf7e"><div class="ttname"><a href="namespacegrpc_1_1protobuf_1_1util.html#a717f1a5db6c98d3f27340afd6f28bf7e">grpc::protobuf::util::Status</a></div><div class="ttdeci">::google::protobuf::util::Status Status</div><div class="ttdef"><b>Definition:</b> config_protobuf.h:91</div></div>
    224. 

  224. <div class="ttc" id="aclassgrpc_1_1_core_codegen_interface_html_a87f88e27e88172507b25414045d53d13"><div class="ttname"><a href="classgrpc_1_1_core_codegen_interface.html#a87f88e27e88172507b25414045d53d13">grpc::CoreCodegenInterface::grpc_byte_buffer_reader_init</a></div><div class="ttdeci">virtual int grpc_byte_buffer_reader_init(grpc_byte_buffer_reader *reader, grpc_byte_buffer *buffer) GRPC_MUST_USE_RESULT=0</div></div>
    225. 

  225. <div class="ttc" id="aclassgrpc_1_1_proto_buffer_reader_html_a50b5c353ac2d915b09e68bf9c1f7136e"><div class="ttname"><a href="classgrpc_1_1_proto_buffer_reader.html#a50b5c353ac2d915b09e68bf9c1f7136e">grpc::ProtoBufferReader::status</a></div><div class="ttdeci">Status status() const</div><div class="ttdoc">Returns the status of the buffer reader.</div><div class="ttdef"><b>Definition:</b> proto_buffer_reader.h:96</div></div>
    226. 

  226. <div class="ttc" id="agrpcpp_2impl_2codegen_2config__protobuf_8h_html"><div class="ttname"><a href="grpcpp_2impl_2codegen_2config__protobuf_8h.html">config_protobuf.h</a></div></div>
    227. 

  227. <div class="ttc" id="agrpc_2impl_2codegen_2slice_8h_html_a8a15783c251cdeb18c3f8b0ad41d0352"><div class="ttname"><a href="grpc_2impl_2codegen_2slice_8h.html#a8a15783c251cdeb18c3f8b0ad41d0352">GRPC_SLICE_START_PTR</a></div><div class="ttdeci">#define GRPC_SLICE_START_PTR(slice)</div><div class="ttdef"><b>Definition:</b> slice.h:96</div></div>
    228. 

  228. <div class="ttc" id="aclassgrpc_1_1_byte_buffer_html_aea6bcd0d3c70fc14158df68c59dc82d4"><div class="ttname"><a href="classgrpc_1_1_byte_buffer.html#aea6bcd0d3c70fc14158df68c59dc82d4">grpc::ByteBuffer::Valid</a></div><div class="ttdeci">bool Valid() const</div><div class="ttdoc">Is this ByteBuffer valid?</div><div class="ttdef"><b>Definition:</b> byte_buffer.h:157</div></div>
    229. 

  229. <div class="ttc" id="anamespacegrpc_html_abbcecc18dae64c65df0b6d9aa8bf67a8"><div class="ttname"><a href="namespacegrpc.html#abbcecc18dae64c65df0b6d9aa8bf67a8">grpc::g_core_codegen_interface</a></div><div class="ttdeci">CoreCodegenInterface * g_core_codegen_interface</div><div class="ttdef"><b>Definition:</b> completion_queue.h:96</div></div>
    230. 

  230. <div class="ttc" id="agrpcpp_2impl_2codegen_2core__codegen__interface_8h_html_a39c1421e7081b57c503487659e2653a5"><div class="ttname"><a href="grpcpp_2impl_2codegen_2core__codegen__interface_8h.html#a39c1421e7081b57c503487659e2653a5">GPR_CODEGEN_ASSERT</a></div><div class="ttdeci">#define GPR_CODEGEN_ASSERT(x)</div><div class="ttdoc">Codegen specific version of GPR_ASSERT.</div><div class="ttdef"><b>Definition:</b> core_codegen_interface.h:146</div></div>
    231. 

  231. <div class="ttc" id="aclassgrpc_1_1_proto_buffer_reader_html_a0874823748781629e0b2bde470d78bf3"><div class="ttname"><a href="classgrpc_1_1_proto_buffer_reader.html#a0874823748781629e0b2bde470d78bf3">grpc::ProtoBufferReader::slice</a></div><div class="ttdeci">grpc_slice * slice()</div><div class="ttdef"><b>Definition:</b> proto_buffer_reader.h:135</div></div>
    232. 

  232. <div class="ttc" id="astructgrpc__byte__buffer__reader_html"><div class="ttname"><a href="structgrpc__byte__buffer__reader.html">grpc_byte_buffer_reader</a></div><div class="ttdef"><b>Definition:</b> byte_buffer_reader.h:28</div></div>
    233. 

  233. <div class="ttc" id="aclassgrpc_1_1_proto_buffer_reader_html_a5535d30e741c8a081a0fec40620b37e8"><div class="ttname"><a href="classgrpc_1_1_proto_buffer_reader.html#a5535d30e741c8a081a0fec40620b37e8">grpc::ProtoBufferReader::Next</a></div><div class="ttdeci">bool Next(const void **data, int *size) override</div><div class="ttdoc">Give the proto library a chunk of data from the stream.</div><div class="ttdef"><b>Definition:</b> proto_buffer_reader.h:70</div></div>
    234. 

  234. <div class="ttc" id="aclassgrpc_1_1_proto_buffer_reader_html_a56f59bca6804e19d0f780c80ccbca031"><div class="ttname"><a href="classgrpc_1_1_proto_buffer_reader.html#a56f59bca6804e19d0f780c80ccbca031">grpc::ProtoBufferReader::set_backup_count</a></div><div class="ttdeci">void set_backup_count(int64_t backup_count)</div><div class="ttdef"><b>Definition:</b> proto_buffer_reader.h:133</div></div>
    235. 

  235. <div class="ttc" id="agrpc_2impl_2codegen_2slice_8h_html"><div class="ttname"><a href="grpc_2impl_2codegen_2slice_8h.html">slice.h</a></div></div>
    236. 

  236. <div class="ttc" id="aclassgrpc_1_1_core_codegen_interface_html_a8c74c34181034fe2b294edb7644dcfe6"><div class="ttname"><a href="classgrpc_1_1_core_codegen_interface.html#a8c74c34181034fe2b294edb7644dcfe6">grpc::CoreCodegenInterface::grpc_byte_buffer_reader_destroy</a></div><div class="ttdeci">virtual void grpc_byte_buffer_reader_destroy(grpc_byte_buffer_reader *reader)=0</div></div>
    237. 

  237. <div class="ttc" id="anamespacegrpc_html_aff1730578c90160528f6a8d67ef5c43ba0ae30536146394965fd8ad64c2d414f3"><div class="ttname"><a href="namespacegrpc.html#aff1730578c90160528f6a8d67ef5c43ba0ae30536146394965fd8ad64c2d414f3">grpc::INTERNAL</a></div><div class="ttdeci">@ INTERNAL</div><div class="ttdoc">Internal errors.</div><div class="ttdef"><b>Definition:</b> status_code_enum.h:119</div></div>
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