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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="preprocessor">#include <fcntl.h></span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="preprocessor">#include <functional></span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> </div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="preprocessor">#include "google/protobuf/io/gzip_stream.h"</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="preprocessor">#include "lz4frame.h"</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> </div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#include "writer.h"</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> </div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="keyword">using namespace </span><a class="code" href="namespaceproio.html">proio</a>;</div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="keyword">using namespace </span><a class="code" href="namespacegoogle_1_1protobuf.html">google::protobuf</a>;</div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> </div><div class="line"><a name="l00012"></a><span class="lineno"><a class="line" href="classproio_1_1Writer.html#a606d2b2b8c74e9117650d2c4189d15e6"> 12</a></span> <a class="code" href="classproio_1_1Writer.html#a606d2b2b8c74e9117650d2c4189d15e6">Writer::Writer</a>(<span class="keywordtype">int</span> fd) {</div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span>  fileStream = <span class="keyword">new</span> io::FileOutputStream(fd);</div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span>  fileStream->SetCloseOnDelete(<span class="keyword">false</span>);</div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span>  initBucket();</div><div class="line"><a name="l00017"></a><span class="lineno"> 17</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"><a class="line" href="classproio_1_1Writer.html#a3c163f144fbb4f8d3122d0204983aab4"> 19</a></span> <a class="code" href="classproio_1_1Writer.html#a606d2b2b8c74e9117650d2c4189d15e6">Writer::Writer</a>(std::string filename) {</div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  <span class="keywordtype">int</span> fd = open(filename.c_str(), O_WRONLY | O_CREAT | O_TRUNC, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);</div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  <span class="keywordflow">if</span> (fd == -1) <span class="keywordflow">throw</span> fileCreationError;</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  fileStream = <span class="keyword">new</span> io::FileOutputStream(fd);</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  fileStream->SetCloseOnDelete(<span class="keyword">true</span>);</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> </div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  initBucket();</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> }</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> </div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> Writer::~Writer() {</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  Flush();</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  streamWriteJob.workerReadyCond.wait(workerReadyLock);</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  streamWriteJob.isValid = <span class="keyword">false</span>;</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  streamWriteJob.doJobMutex.lock();</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  streamWriteJob.doJobCond.notify_all();</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  streamWriteJob.doJobMutex.unlock();</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  workerReadyLock.unlock();</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  streamWriteThread.join();</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> </div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keyword">delete</span> bucket;</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keyword">delete</span> fileStream;</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keyword">delete</span> compBucket;</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keyword">delete</span> header;</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> }</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> </div><div class="line"><a name="l00046"></a><span class="lineno"><a class="line" href="classproio_1_1Writer.html#aa66ca9fb97a5439b7d97c1a116da4090"> 46</a></span> <span class="keywordtype">void</span> <a class="code" href="classproio_1_1Writer.html#aa66ca9fb97a5439b7d97c1a116da4090">Writer::Flush</a>() {</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keywordflow">if</span> (bucketEvents == 0) <span class="keywordflow">return</span>;</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  streamWriteJob.workerReadyCond.wait(workerReadyLock);</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  compBucket->Reset();</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keywordflow">switch</span> (compression) {</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keywordflow">case</span> LZ4: {</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  LZ4F_frameInfo_t info;</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  std::memset(&info, 0, <span class="keyword">sizeof</span>(info));</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  LZ4F_preferences_t prefs;</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  std::memset(&prefs, 0, <span class="keyword">sizeof</span>(prefs));</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  prefs.frameInfo = info;</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  prefs.compressionLevel = 0;</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordflow">if</span> (complevel > 0) prefs.compressionLevel = complevel;</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keywordtype">size_t</span> compBound = LZ4F_compressFrameBound(bucket->ByteCount(), &prefs);</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  compBucket->Reset(compBound);</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordtype">size_t</span> nWritten = LZ4F_compressFrame(compBucket->Bytes(), compBound, bucket->Bytes(),</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  bucket->ByteCount(), &prefs);</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordflow">if</span> (LZ4F_isError(nWritten)) <span class="keywordflow">throw</span> lz4FrameCreationError;</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  compBucket->SetOffset(nWritten);</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  } <span class="keywordflow">break</span>;</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordflow">case</span> GZIP: {</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  io::GzipOutputStream::Options options;</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordflow">if</span> (complevel >= 0) options.compression_level = complevel;</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  io::GzipOutputStream *gzipStream = <span class="keyword">new</span> io::GzipOutputStream(compBucket, options);</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  bucket->WriteTo(gzipStream);</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keyword">delete</span> gzipStream;</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  } <span class="keywordflow">break</span>;</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordflow">default</span>:</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <a class="code" href="classproio_1_1BucketOutputStream.html">BucketOutputStream</a> *tmpBucket = bucket;</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  bucket = compBucket;</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  compBucket = tmpBucket;</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  }</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span> </div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  header->set_nevents(bucketEvents);</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  header->set_bucketsize(compBucket->ByteCount());</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  header->set_compression(compression);</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  streamWriteJob.compBucket = compBucket;</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  streamWriteJob.header = header;</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  header = <span class="keyword">new</span> proto::BucketHeader();</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  streamWriteJob.isValid = <span class="keyword">true</span>;</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  streamWriteJob.doJobMutex.lock();</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  streamWriteJob.doJobCond.notify_all();</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  streamWriteJob.doJobMutex.unlock();</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span> </div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  bucket->Reset();</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  bucketEvents = 0;</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span> }</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> </div><div class="line"><a name="l00096"></a><span class="lineno"><a class="line" href="classproio_1_1Writer.html#ada1aebeffc3689550bdfcf8a8c26417c"> 96</a></span> <span class="keywordtype">void</span> <a class="code" href="classproio_1_1Writer.html#ada1aebeffc3689550bdfcf8a8c26417c">Writer::Push</a>(<a class="code" href="classproio_1_1Event.html">Event</a> *event) {</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="comment">// Add metadata that have changed</span></div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordflow">for</span> (<span class="keyword">auto</span> keyValuePair : event->metadata)</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordflow">if</span> (metadata[keyValuePair.first] != keyValuePair.second) {</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  PushMetadata(keyValuePair.first, *keyValuePair.second);</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  metadata[keyValuePair.first] = keyValuePair.second;</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  }</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span> </div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keyword">event</span>->FlushCache();</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  proto::Event *proto = <span class="keyword">event</span>->getProto();</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span> </div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="comment">// Add new protobuf FileDescriptors to the stream that are required to</span></div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="comment">// describe event data</span></div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  std::set<const FileDescriptor *> newFDs;</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  std::function<void(const FileDescriptor *)> addFDsToSet;</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  addFDsToSet = [&](<span class="keyword">const</span> FileDescriptor *fd) {</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < fd->dependency_count(); i++) addFDsToSet(fd->dependency(i));</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keywordflow">if</span> (writtenFDs.count(fd) == 0) {</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  newFDs.insert(fd);</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  this->writtenFDs.insert(fd);</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  }</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  };</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keywordflow">for</span> (<span class="keyword">auto</span> keyValuePair : proto->type()) addFDsToSet(event->getDescriptor(keyValuePair.first)->file());</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordflow">if</span> (newFDs.size() > 0) Flush();</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keywordflow">for</span> (<span class="keyword">auto</span> fd : newFDs) {</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  FileDescriptorProto fdProto;</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  fd->CopyTo(&fdProto);</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  fdProto.SerializeToString(header->add_filedescriptor());</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  }</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span> </div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keyword">auto</span> stream = <span class="keyword">new</span> io::CodedOutputStream(bucket);</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span> <span class="preprocessor">#if GOOGLE_PROTOBUF_VERSION >= 3004000</span></div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  stream->WriteLittleEndian32((uint32_t)proto->ByteSizeLong());</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  stream->WriteLittleEndian32((uint32_t)proto->ByteSize());</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordflow">if</span> (!proto->SerializeToCodedStream(stream)) <span class="keywordflow">throw</span> serializationError;</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keyword">delete</span> stream;</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span> </div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  bucketEvents++;</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span> </div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keywordflow">if</span> (uint64_t(bucket->ByteCount()) > bucketDumpThres) Flush();</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span> }</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span> </div><div class="line"><a name="l00140"></a><span class="lineno"><a class="line" href="classproio_1_1Writer.html#a6cd9af0a00a86c546c5f8d4b0ef5662c"> 140</a></span> <span class="keywordtype">void</span> <a class="code" href="classproio_1_1Writer.html#a6cd9af0a00a86c546c5f8d4b0ef5662c">Writer::PushMetadata</a>(std::string name, <span class="keyword">const</span> std::string &data) {</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  Flush();</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  (*header->mutable_metadata())[name] = data;</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span> }</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span> </div><div class="line"><a name="l00145"></a><span class="lineno"><a class="line" href="classproio_1_1Writer.html#ae6f94db91bd25ac275c527eb7b921a30"> 145</a></span> <span class="keywordtype">void</span> <a class="code" href="classproio_1_1Writer.html#a6cd9af0a00a86c546c5f8d4b0ef5662c">Writer::PushMetadata</a>(std::string name, <span class="keyword">const</span> <span class="keywordtype">char</span> *data) {</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  Flush();</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  (*header->mutable_metadata())[name] = data;</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span> }</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span> </div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span> <span class="keywordtype">void</span> Writer::initBucket() {</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  bucket = <span class="keyword">new</span> <a class="code" href="classproio_1_1BucketOutputStream.html">BucketOutputStream</a>();</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  bucketEvents = 0;</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  SetCompression();</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  compBucket = <span class="keyword">new</span> <a class="code" href="classproio_1_1BucketOutputStream.html">BucketOutputStream</a>();</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  SetBucketDumpThreshold();</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  header = <span class="keyword">new</span> proto::BucketHeader;</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span> </div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  streamWriteJob.fileStream = fileStream;</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  streamWriteJob.isValid = <span class="keyword">false</span>;</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span> </div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  workerReadyLock = std::unique_lock<std::mutex>(streamWriteJob.workerReadyMutex);</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  streamWriteThread = std::thread(Writer::streamWrite, &streamWriteJob);</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span> }</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span> </div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span> <span class="keywordtype">void</span> Writer::streamWrite(WriteJob *job) {</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  std::unique_lock<std::mutex> doJobLock(job->doJobMutex);</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keywordflow">while</span> (<span class="keyword">true</span>) {</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  job->workerReadyMutex.lock();</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  job->workerReadyCond.notify_all();</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  job->workerReadyMutex.unlock();</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  job->doJobCond.wait(doJobLock);</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span> </div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keywordflow">if</span> (job->isValid) {</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="keyword">auto</span> stream = <span class="keyword">new</span> io::CodedOutputStream(job->fileStream);</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  stream->WriteRaw(magicBytes, 16);</div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span> <span class="preprocessor">#if GOOGLE_PROTOBUF_VERSION >= 3004000</span></div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  stream->WriteLittleEndian32((uint32_t)job->header->ByteSizeLong());</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  stream->WriteLittleEndian32((uint32_t)job->header->ByteSize());</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keywordflow">if</span> (!job->header->SerializeToCodedStream(stream)) <span class="keywordflow">throw</span> serializationError;</div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  stream->WriteRaw(job->compBucket->Bytes(), job->compBucket->ByteCount());</div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="keyword">delete</span> stream;</div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span> </div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keyword">delete</span> job->header;</div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  job->isValid = <span class="keyword">false</span>;</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  } <span class="keywordflow">else</span></div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  }</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span> }</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span> </div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span> BucketOutputStream::BucketOutputStream() { offset = 0; }</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span> </div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span> BucketOutputStream::~BucketOutputStream() { ; }</div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span> </div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> BucketOutputStream::Next(<span class="keywordtype">void</span> **data, <span class="keywordtype">int</span> *size) {</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keywordflow">if</span> (bytes.size() - offset < minBucketWriteWindow) bytes.resize(offset + minBucketWriteWindow);</div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  *data = &bytes[offset];</div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  *size = bytes.size() - offset;</div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  offset = bytes.size();</div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span> }</div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span> </div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> BucketOutputStream::BackUp(<span class="keywordtype">int</span> count) { offset -= count; }</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span> </div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span> <span class="keyword">inline</span> int64 BucketOutputStream::ByteCount()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> offset; }</div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span> </div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> BucketOutputStream::AllowsAliasing()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <span class="keyword">false</span>; }</div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span> </div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span> uint8_t *BucketOutputStream::Bytes() { <span class="keywordflow">return</span> &bytes[0]; }</div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span> </div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span> <span class="keywordtype">void</span> BucketOutputStream::Reset() { offset = 0; }</div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span> </div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span> <span class="keywordtype">void</span> BucketOutputStream::Reset(uint64_t size) {</div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  offset = 0;</div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keywordflow">if</span> (bytes.size() < size) bytes.resize(size);</div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span> }</div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span> </div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span> <span class="keywordtype">void</span> BucketOutputStream::WriteTo(io::ZeroCopyOutputStream *stream) {</div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  uint8_t *data;</div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="keywordtype">int</span> size;</div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  uint64_t bytesWritten = 0;</div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="keywordflow">while</span> (stream->Next((<span class="keywordtype">void</span> **)&data, &size)) {</div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  uint64_t bytesLeft = offset - bytesWritten;</div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  uint64_t bytesToCopy = (bytesLeft < uint64_t(size)) ? bytesLeft : size;</div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  std::memcpy(data, Bytes() + bytesWritten, bytesToCopy);</div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  bytesLeft -= bytesToCopy;</div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  bytesWritten += bytesToCopy;</div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keywordflow">if</span> (bytesToCopy < uint64_t(size)) stream->BackUp(size - bytesToCopy);</div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="keywordflow">if</span> (bytesLeft == 0) <span class="keywordflow">break</span>;</div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  }</div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span> }</div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span> </div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span> <span class="keywordtype">void</span> BucketOutputStream::SetOffset(uint64_t offset) { this->offset = offset; }</div><div class="ttc" id="classproio_1_1Writer_html_a606d2b2b8c74e9117650d2c4189d15e6"><div class="ttname"><a href="classproio_1_1Writer.html#a606d2b2b8c74e9117650d2c4189d15e6">proio::Writer::Writer</a></div><div class="ttdeci">Writer(int fd)</div><div class="ttdef"><b>Definition:</b> <a href="writer_8cc_source.html#l00012">writer.cc:12</a></div></div>
<div class="ttc" id="namespaceproio_html"><div class="ttname"><a href="namespaceproio.html">proio</a></div><div class="ttdef"><b>Definition:</b> <a href="event_8h_source.html#l00011">event.h:11</a></div></div>
<div class="ttc" id="classproio_1_1BucketOutputStream_html"><div class="ttname"><a href="classproio_1_1BucketOutputStream.html">proio::BucketOutputStream</a></div><div class="ttdef"><b>Definition:</b> <a href="writer_8h_source.html#l00025">writer.h:25</a></div></div>
<div class="ttc" id="classproio_1_1Writer_html_a6cd9af0a00a86c546c5f8d4b0ef5662c"><div class="ttname"><a href="classproio_1_1Writer.html#a6cd9af0a00a86c546c5f8d4b0ef5662c">proio::Writer::PushMetadata</a></div><div class="ttdeci">void PushMetadata(std::string name, const std::string &data)</div><div class="ttdef"><b>Definition:</b> <a href="writer_8cc_source.html#l00140">writer.cc:140</a></div></div>
<div class="ttc" id="namespacegoogle_1_1protobuf_html"><div class="ttname"><a href="namespacegoogle_1_1protobuf.html">protobuf</a></div></div>
<div class="ttc" id="classproio_1_1Writer_html_aa66ca9fb97a5439b7d97c1a116da4090"><div class="ttname"><a href="classproio_1_1Writer.html#aa66ca9fb97a5439b7d97c1a116da4090">proio::Writer::Flush</a></div><div class="ttdeci">void Flush()</div><div class="ttdef"><b>Definition:</b> <a href="writer_8cc_source.html#l00046">writer.cc:46</a></div></div>
<div class="ttc" id="classproio_1_1Event_html"><div class="ttname"><a href="classproio_1_1Event.html">proio::Event</a></div><div class="ttdef"><b>Definition:</b> <a href="event_8h_source.html#l00014">event.h:14</a></div></div>
<div class="ttc" id="classproio_1_1Writer_html_ada1aebeffc3689550bdfcf8a8c26417c"><div class="ttname"><a href="classproio_1_1Writer.html#ada1aebeffc3689550bdfcf8a8c26417c">proio::Writer::Push</a></div><div class="ttdeci">void Push(Event *event)</div><div class="ttdef"><b>Definition:</b> <a href="writer_8cc_source.html#l00096">writer.cc:96</a></div></div>
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