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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">// Licensed to the Apache Software Foundation (ASF) under one</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment">// or more contributor license agreements. See the NOTICE file</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment">// distributed with this work for additional information</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment">// regarding copyright ownership. The ASF licenses this file</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment">// to you under the Apache License, Version 2.0 (the</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="comment">// &quot;License&quot;); you may not use this file except in compliance</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="comment">// with the License. You may obtain a copy of the License at</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="comment">//</span></div><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><div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="comment">// Unless required by applicable law or agreed to in writing,</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="comment">// software distributed under the License is distributed on an</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="comment">// &quot;AS IS&quot; BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="comment">// KIND, either express or implied. See the License for the</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="comment">// specific language governing permissions and limitations</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="comment">// under the License.</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="preprocessor">#ifndef KUDU_CLIENT_STUBS_H</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="preprocessor">#define KUDU_CLIENT_STUBS_H</span></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;<span class="preprocessor">#include &lt;stdlib.h&gt;</span> <span class="comment">// for exit()</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;<span class="preprocessor">#include &lt;iostream&gt;</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="comment">// GCC can be told that a certain branch is not likely to be taken (for</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;<span class="comment">// instance, a CHECK failure), and use that information in static analysis.</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;<span class="comment">// Giving it this information can help it optimize for the common case in</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;<span class="comment">// the absence of better information (ie. -fprofile-arcs).</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;<span class="preprocessor">#ifndef PREDICT_FALSE</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;<span class="preprocessor">#if defined(__GNUC__)</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160;<span class="preprocessor">#define PREDICT_FALSE(x) (__builtin_expect(x, 0))</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;<span class="preprocessor">#else</span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160;<span class="preprocessor">#define PREDICT_FALSE(x) x</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160;<span class="preprocessor">#ifndef PREDICT_TRUE</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160;<span class="preprocessor">#if defined(__GNUC__)</span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160;<span class="preprocessor">#define PREDICT_TRUE(x) (__builtin_expect(!!(x), 1))</span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160;<span class="preprocessor">#else</span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160;<span class="preprocessor">#define PREDICT_TRUE(x) x</span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160;</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160;<span class="comment">// Annotate a function indicating the caller must examine the return value.</span></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160;<span class="comment">// Use like:</span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160;<span class="comment">// int foo() WARN_UNUSED_RESULT;</span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160;<span class="comment">// To explicitly ignore a result, see |ignore_result()| in &lt;base/basictypes.h&gt;.</span></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160;<span class="preprocessor">#ifndef WARN_UNUSED_RESULT</span></div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160;<span class="preprocessor">#if defined(__GNUC__)</span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160;<span class="preprocessor">#define WARN_UNUSED_RESULT __attribute__((warn_unused_result))</span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160;<span class="preprocessor">#else</span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160;<span class="preprocessor">#define WARN_UNUSED_RESULT</span></div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160;</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160;<span class="preprocessor">#if (defined(__GNUC__) || defined(__APPLE__)) &amp;&amp; !defined(SWIG)</span></div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160;<span class="preprocessor">#undef ATTRIBUTE_UNUSED</span></div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160;<span class="preprocessor">#define ATTRIBUTE_UNUSED __attribute__ ((unused))</span></div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160;<span class="preprocessor">#else</span></div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160;<span class="preprocessor">#ifndef ATTRIBUTE_UNUSED</span></div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160;<span class="preprocessor">#define ATTRIBUTE_UNUSED</span></div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160;</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160;<span class="comment">// For deprecated functions or variables, generate a warning at usage sites.</span></div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160;<span class="comment">// Verified to work as early as GCC 3.1.1 and clang 3.2 (so we&#39;ll assume any</span></div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160;<span class="comment">// clang is new enough).</span></div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160;<span class="preprocessor">#ifndef ATTRIBUTE_DEPRECATED</span></div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160;<span class="preprocessor">#if defined(__clang__) || \</span></div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160;<span class="preprocessor"> (defined(COMPILER_GCC) &amp;&amp; \</span></div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160;<span class="preprocessor"> (__GNUC__ * 10000 + __GNUC_MINOR__ * 100) &gt;= 30200)</span></div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160;<span class="preprocessor">#define ATTRIBUTE_DEPRECATED(msg) __attribute__ ((deprecated (msg) ))</span></div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160;<span class="preprocessor">#else</span></div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160;<span class="preprocessor">#define ATTRIBUTE_DEPRECATED(msg)</span></div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160;<span class="preprocessor">#endif // #ifndef ATTRIBUTE_DEPRECATED</span></div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160;</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160;<span class="preprocessor">#ifndef COMPILE_ASSERT</span></div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160;<span class="comment">// The COMPILE_ASSERT macro can be used to verify that a compile time</span></div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160;<span class="comment">// expression is true. For example, you could use it to verify the</span></div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160;<span class="comment">// size of a static array:</span></div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160;<span class="comment">// COMPILE_ASSERT(ARRAYSIZE(content_type_names) == CONTENT_NUM_TYPES,</span></div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160;<span class="comment">// content_type_names_incorrect_size);</span></div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160;<span class="comment">// or to make sure a struct is smaller than a certain size:</span></div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160;<span class="comment">// COMPILE_ASSERT(sizeof(foo) &lt; 128, foo_too_large);</span></div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160;<span class="comment">// The second argument to the macro is the name of the variable. If</span></div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160;<span class="comment">// the expression is false, most compilers will issue a warning/error</span></div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160;<span class="comment">// containing the name of the variable.</span></div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160;</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160;<span class="keyword">template</span> &lt;<span class="keywordtype">bool</span>&gt;</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160;<span class="keyword">struct </span>StubsCompileAssert {</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160;};</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160;</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160;<span class="preprocessor">#define COMPILE_ASSERT(expr, msg) \</span></div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160;<span class="preprocessor"> typedef StubsCompileAssert&lt;(bool(expr))&gt; msg[bool(expr) ? 1 : -1] ATTRIBUTE_UNUSED // NOLINT(*)</span></div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160;</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160;<span class="comment">// Annotate a virtual method indicating it must be overriding a virtual</span></div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160;<span class="comment">// method in the parent class.</span></div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160;<span class="comment">// Use like:</span></div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160;<span class="comment">// virtual void foo() OVERRIDE;</span></div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160;<span class="preprocessor">#ifndef OVERRIDE</span></div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160;<span class="preprocessor"># if defined(COMPILER_MSVC)</span></div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160;<span class="preprocessor"># define OVERRIDE override</span></div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160;<span class="preprocessor"># elif defined(__clang__) &amp;&amp; __cplusplus &gt;= 201103</span></div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; <span class="comment">// LLVM/Clang supports explicit virtual overrides, but warns about C++11</span></div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160; <span class="comment">// extensions if compiling in pre-C++11 mode since the &#39;-Wc++11-extensions&#39;</span></div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160; <span class="comment">// option is enabled by default.</span></div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160;<span class="preprocessor"># define OVERRIDE override</span></div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160;<span class="preprocessor"># elif defined(COMPILER_GCC) &amp;&amp; __cplusplus &gt;= 201103 &amp;&amp; \</span></div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160;<span class="preprocessor"> (__GNUC__ * 10000 + __GNUC_MINOR__ * 100) &gt;= 40700</span></div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; <span class="comment">// GCC 4.7 supports explicit virtual overrides when C++11 support is enabled.</span></div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160;<span class="preprocessor"># define OVERRIDE override</span></div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160;<span class="preprocessor"># else</span></div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160;<span class="preprocessor"># define OVERRIDE</span></div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160;<span class="preprocessor"># endif</span></div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160;<span class="preprocessor">#endif // #ifndef OVERRIDE</span></div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160;</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160;<span class="preprocessor">#ifndef DISALLOW_COPY_AND_ASSIGN</span></div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160;<span class="preprocessor">#define DISALLOW_COPY_AND_ASSIGN(TypeName) \</span></div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160;<span class="preprocessor"> TypeName(const TypeName&amp;); \</span></div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160;<span class="preprocessor"> void operator=(const TypeName&amp;)</span></div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160;</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160;<span class="preprocessor">#ifndef FRIEND_TEST</span></div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160;<span class="preprocessor">#define FRIEND_TEST(test_case_name, test_name) \</span></div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160;<span class="preprocessor"> friend class test_case_name##_##test_name##_Test</span></div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160;</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160;<span class="comment">// Stubbed versions of macros defined in glog/logging.h, intended for</span></div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160;<span class="comment">// environments where glog headers aren&#39;t available.</span></div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160;<span class="comment">// Add more as needed.</span></div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160;</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160;<span class="preprocessor">#define KUDU_DCHECK(condition) while (false) kudu::internal_logging::NullLog()</span></div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160;<span class="preprocessor">#define KUDU_DCHECK_EQ(val1, val2) while (false) kudu::internal_logging::NullLog()</span></div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160;<span class="preprocessor">#define KUDU_DCHECK_NE(val1, val2) while (false) kudu::internal_logging::NullLog()</span></div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160;<span class="preprocessor">#define KUDU_DCHECK_LE(val1, val2) while (false) kudu::internal_logging::NullLog()</span></div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160;<span class="preprocessor">#define KUDU_DCHECK_LT(val1, val2) while (false) kudu::internal_logging::NullLog()</span></div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160;<span class="preprocessor">#define KUDU_DCHECK_GE(val1, val2) while (false) kudu::internal_logging::NullLog()</span></div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160;<span class="preprocessor">#define KUDU_DCHECK_GT(val1, val2) while (false) kudu::internal_logging::NullLog()</span></div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160;<span class="preprocessor">#define KUDU_DCHECK_NOTNULL(val) (val)</span></div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160;<span class="preprocessor">#define KUDU_DCHECK_STREQ(str1, str2) while (false) kudu::internal_logging::NullLog()</span></div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160;<span class="preprocessor">#define KUDU_DCHECK_STRCASEEQ(str1, str2) while (false) kudu::internal_logging::NullLog()</span></div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160;<span class="preprocessor">#define KUDU_DCHECK_STRNE(str1, str2) while (false) kudu::internal_logging::NullLog()</span></div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160;<span class="preprocessor">#define KUDU_DCHECK_STRCASENE(str1, str2) while (false) kudu::internal_logging::NullLog()</span></div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160;</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160;<span class="comment">// Log levels. LOG ignores them, so their values are abitrary.</span></div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160;</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160;<span class="preprocessor">#define KUDU_INFO 0</span></div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160;<span class="preprocessor">#define KUDU_WARNING 1</span></div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160;<span class="preprocessor">#define KUDU_ERROR 2</span></div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160;<span class="preprocessor">#define KUDU_FATAL 3</span></div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160;</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160;<span class="preprocessor">#ifdef NDEBUG</span></div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160;<span class="preprocessor">#define KUDU_DFATAL KUDU_WARNING</span></div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160;<span class="preprocessor">#else</span></div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160;<span class="preprocessor">#define KUDU_DFATAL KUDU_FATAL</span></div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160;<span class="preprocessor">#endif // NDEBUG</span></div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160;</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160;<span class="preprocessor">#define KUDU_LOG_INTERNAL(level) kudu::internal_logging::CerrLog(level)</span></div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160;<span class="preprocessor">#define KUDU_LOG(level) KUDU_LOG_INTERNAL(KUDU_##level)</span></div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160;</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160;<span class="preprocessor">#define KUDU_CHECK(condition) \</span></div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160;<span class="preprocessor"> (condition) ? 0 : KUDU_LOG(FATAL) &lt;&lt; &quot;Check failed: &quot; #condition &quot; &quot;</span></div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>&#160;</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespacekudu.html">kudu</a> {</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160;</div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>&#160;<span class="keyword">namespace </span>internal_logging {</div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160;</div><div class="line"><a name="l00182"></a><span class="lineno"><a class="line" href="classkudu_1_1internal__logging_1_1NullLog.html"> 182</a></span>&#160;<span class="keyword">class </span><a class="code" href="classkudu_1_1internal__logging_1_1NullLog.html">NullLog</a> {</div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span>&#160; <span class="keyword">public</span>:</div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>&#160; <span class="keyword">template</span>&lt;<span class="keyword">class</span> T&gt;</div><div class="line"><a name="l00190"></a><span class="lineno"><a class="line" href="classkudu_1_1internal__logging_1_1NullLog.html#abe50abde8e4af12413c99f437094dc8a"> 190</a></span>&#160; <a class="code" href="classkudu_1_1internal__logging_1_1NullLog.html">NullLog</a>&amp; <a class="code" href="classkudu_1_1internal__logging_1_1NullLog.html#abe50abde8e4af12413c99f437094dc8a">operator&lt;&lt;</a>(<span class="keyword">const</span> T&amp; t) {</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>&#160; <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>&#160; }</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>&#160;};</div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span>&#160;</div><div class="line"><a name="l00196"></a><span class="lineno"><a class="line" href="classkudu_1_1internal__logging_1_1CerrLog.html"> 196</a></span>&#160;<span class="keyword">class </span><a class="code" href="classkudu_1_1internal__logging_1_1CerrLog.html">CerrLog</a> {</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>&#160; <span class="keyword">public</span>:</div><div class="line"><a name="l00202"></a><span class="lineno"><a class="line" href="classkudu_1_1internal__logging_1_1CerrLog.html#ac3773ad2825d82f91ea65109f2def713"> 202</a></span>&#160; <a class="code" href="classkudu_1_1internal__logging_1_1CerrLog.html#ac3773ad2825d82f91ea65109f2def713">CerrLog</a>(<span class="keywordtype">int</span> severity) <span class="comment">// NOLINT(runtime/explicit)</span></div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>&#160; : severity_(severity),</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>&#160; has_logged_(false) {</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>&#160; }</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>&#160;</div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>&#160; ~<a class="code" href="classkudu_1_1internal__logging_1_1CerrLog.html">CerrLog</a>() {</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span>&#160; <span class="keywordflow">if</span> (has_logged_) {</div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span>&#160; std::cerr &lt;&lt; std::endl;</div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span>&#160; }</div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span>&#160; <span class="keywordflow">if</span> (severity_ == KUDU_FATAL) {</div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span>&#160; exit(1);</div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span>&#160; }</div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span>&#160; }</div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span>&#160;</div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>&#160; <span class="keyword">template</span>&lt;<span class="keyword">class</span> T&gt;</div><div class="line"><a name="l00222"></a><span class="lineno"><a class="line" href="classkudu_1_1internal__logging_1_1CerrLog.html#a9febb74005a76f9b203e9718275ab724"> 222</a></span>&#160; <a class="code" href="classkudu_1_1internal__logging_1_1CerrLog.html">CerrLog</a>&amp; <a class="code" href="classkudu_1_1internal__logging_1_1CerrLog.html#a9febb74005a76f9b203e9718275ab724">operator&lt;&lt;</a>(<span class="keyword">const</span> T&amp; t) {</div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span>&#160; has_logged_ = <span class="keyword">true</span>;</div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span>&#160; std::cerr &lt;&lt; t;</div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span>&#160; <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span>&#160; }</div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span>&#160;</div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span>&#160; <span class="keyword">private</span>:</div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>&#160; <span class="keyword">const</span> <span class="keywordtype">int</span> severity_;</div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span>&#160; <span class="keywordtype">bool</span> has_logged_;</div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span>&#160;};</div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span>&#160;</div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span>&#160;} <span class="comment">// namespace internal_logging</span></div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span>&#160;} <span class="comment">// namespace kudu</span></div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span>&#160;</div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span>&#160;<span class="preprocessor">#endif</span></div><div class="ttc" id="classkudu_1_1internal__logging_1_1NullLog_html"><div class="ttname"><a href="classkudu_1_1internal__logging_1_1NullLog.html">kudu::internal_logging::NullLog</a></div><div class="ttdoc">A helper for the nil log sink. </div><div class="ttdef"><b>Definition:</b> stubs.h:182</div></div>
<div class="ttc" id="namespacekudu_html"><div class="ttname"><a href="namespacekudu.html">kudu</a></div><div class="ttdef"><b>Definition:</b> callbacks.h:28</div></div>
<div class="ttc" id="classkudu_1_1internal__logging_1_1CerrLog_html_ac3773ad2825d82f91ea65109f2def713"><div class="ttname"><a href="classkudu_1_1internal__logging_1_1CerrLog.html#ac3773ad2825d82f91ea65109f2def713">kudu::internal_logging::CerrLog::CerrLog</a></div><div class="ttdeci">CerrLog(int severity)</div><div class="ttdef"><b>Definition:</b> stubs.h:202</div></div>
<div class="ttc" id="classkudu_1_1internal__logging_1_1CerrLog_html"><div class="ttname"><a href="classkudu_1_1internal__logging_1_1CerrLog.html">kudu::internal_logging::CerrLog</a></div><div class="ttdoc">A helper for stderr log sink. </div><div class="ttdef"><b>Definition:</b> stubs.h:196</div></div>
<div class="ttc" id="classkudu_1_1internal__logging_1_1CerrLog_html_a9febb74005a76f9b203e9718275ab724"><div class="ttname"><a href="classkudu_1_1internal__logging_1_1CerrLog.html#a9febb74005a76f9b203e9718275ab724">kudu::internal_logging::CerrLog::operator&lt;&lt;</a></div><div class="ttdeci">CerrLog &amp; operator&lt;&lt;(const T &amp;t)</div><div class="ttdef"><b>Definition:</b> stubs.h:222</div></div>
<div class="ttc" id="classkudu_1_1internal__logging_1_1NullLog_html_abe50abde8e4af12413c99f437094dc8a"><div class="ttname"><a href="classkudu_1_1internal__logging_1_1NullLog.html#abe50abde8e4af12413c99f437094dc8a">kudu::internal_logging::NullLog::operator&lt;&lt;</a></div><div class="ttdeci">NullLog &amp; operator&lt;&lt;(const T &amp;t)</div><div class="ttdef"><b>Definition:</b> stubs.h:190</div></div>
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