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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<title>LCOV - lcov.info - ept/popcon/maint/popconindexer.cc</title>
<link rel="stylesheet" type="text/css" href="../../../gcov.css">
</head>
<body>
<table width="100%" border=0 cellspacing=0 cellpadding=0>
<tr><td class="title">LTP GCOV extension - code coverage report</td></tr>
<tr><td class="ruler"><img src="../../../glass.png" width=3 height=3 alt=""></td></tr>
<tr>
<td width="100%">
<table cellpadding=1 border=0 width="100%">
<tr>
<td class="headerItem" width="20%">Current view:</td>
<td class="headerValue" width="80%" colspan=4><a href="../../../index.html">directory</a> - <a href="index.html">ept/popcon/maint</a> - popconindexer.cc</td>
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<tr>
<td class="headerItem" width="20%">Test:</td>
<td class="headerValue" width="80%" colspan=4>lcov.info</td>
</tr>
<tr>
<td class="headerItem" width="20%">Date:</td>
<td class="headerValue" width="20%">2008-08-14</td>
<td width="20%"></td>
<td class="headerItem" width="20%">Instrumented lines:</td>
<td class="headerValue" width="20%">116</td>
</tr>
<tr>
<td class="headerItem" width="20%">Code covered:</td>
<td class="headerValue" width="20%">79.3 %</td>
<td width="20%"></td>
<td class="headerItem" width="20%">Executed lines:</td>
<td class="headerValue" width="20%">92</td>
</tr>
</table>
</td>
</tr>
<tr><td class="ruler"><img src="../../../glass.png" width=3 height=3 alt=""></td></tr>
</table>
<table cellpadding=0 cellspacing=0 border=0>
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<td><br></td>
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<tr>
<td><pre class="source">
<span class="lineNum"> 1 </span> : #include <ept/popcon/popcon.h>
<span class="lineNum"> 2 </span> : #include <ept/popcon/maint/popconindexer.h>
<span class="lineNum"> 3 </span> : #include <ept/popcon/maint/path.h>
<span class="lineNum"> 4 </span> :
<span class="lineNum"> 5 </span> : #include <wibble/exception.h>
<span class="lineNum"> 6 </span> : #include <wibble/sys/fs.h>
<span class="lineNum"> 7 </span> :
<span class="lineNum"> 8 </span> : #include <tagcoll/diskindex/mmap.h>
<span class="lineNum"> 9 </span> :
<span class="lineNum"> 10 </span> : #include <set>
<span class="lineNum"> 11 </span> : #include <string>
<span class="lineNum"> 12 </span> : #include <cstdio>
<span class="lineNum"> 13 </span> : #include <cstring>
<span class="lineNum"> 14 </span> :
<span class="lineNum"> 15 </span> : using namespace std;
<span class="lineNum"> 16 </span> :
<span class="lineNum"> 17 </span> : namespace ept {
<span class="lineNum"> 18 </span> : namespace popcon {
<span class="lineNum"> 19 </span> :
<span class="lineNum"> 20 </span> : template<typename STRUCT>
<span class="lineNum"> 21 </span> : struct StructIndexer : public tagcoll::diskindex::MMapIndexer
<span class="lineNum"> 22 </span><span class="lineCov"> 1 : {</span>
<span class="lineNum"> 23 </span> : const STRUCT& data;
<span class="lineNum"> 24 </span><span class="lineCov"> 1 : StructIndexer(const STRUCT& data) : data(data) {}</span>
<span class="lineNum"> 25 </span> :
<span class="lineNum"> 26 </span><span class="lineCov"> 1 : int encodedSize() const { return sizeof(STRUCT); }</span>
<span class="lineNum"> 27 </span><span class="lineCov"> 1 : void encode(char* buf) const { *(STRUCT*)buf = data; }</span>
<span class="lineNum"> 28 </span> : };
<span class="lineNum"> 29 </span> :
<span class="lineNum"> 30 </span> : /// MMapIndexer that indexes the package names
<span class="lineNum"> 31 </span> : struct PopconGenerator : public tagcoll::diskindex::MMapIndexer
<span class="lineNum"> 32 </span><span class="lineCov"> 4 : {</span>
<span class="lineNum"> 33 </span> : // Sorted set of all available package names and data
<span class="lineNum"> 34 </span> : std::map<std::string, Score> data;
<span class="lineNum"> 35 </span> :
<span class="lineNum"> 36 </span><span class="lineCov"> 1 : int encodedSize() const</span>
<span class="lineNum"> 37 </span> : {
<span class="lineNum"> 38 </span><span class="lineCov"> 1 : int size = data.size() * sizeof(Score);</span>
<span class="lineNum"> 39 </span><span class="lineCov"> 69911 : for (std::map<std::string, Score>::const_iterator i = data.begin();</span>
<span class="lineNum"> 40 </span> : i != data.end(); ++i)
<span class="lineNum"> 41 </span><span class="lineCov"> 69910 : size += i->first.size() + 1;</span>
<span class="lineNum"> 42 </span><span class="lineCov"> 1 : return tagcoll::diskindex::MMap::align(size);</span>
<span class="lineNum"> 43 </span> : }
<span class="lineNum"> 44 </span> :
<span class="lineNum"> 45 </span><span class="lineCov"> 1 : void encode(char* buf) const</span>
<span class="lineNum"> 46 </span> : {
<span class="lineNum"> 47 </span><span class="lineCov"> 1 : int pos = data.size() * sizeof(Score);</span>
<span class="lineNum"> 48 </span><span class="lineCov"> 1 : int idx = 0;</span>
<span class="lineNum"> 49 </span><span class="lineCov"> 69911 : for (std::map<std::string, Score>::const_iterator i = data.begin();</span>
<span class="lineNum"> 50 </span> : i != data.end(); ++i)
<span class="lineNum"> 51 </span> : {
<span class="lineNum"> 52 </span><span class="lineCov"> 69910 : ((Score*)buf)[idx] = i->second;</span>
<span class="lineNum"> 53 </span><span class="lineCov"> 69910 : ((Score*)buf)[idx].offset = pos;</span>
<span class="lineNum"> 54 </span><span class="lineCov"> 69910 : memcpy(buf + pos, i->first.c_str(), i->first.size() + 1);</span>
<span class="lineNum"> 55 </span><span class="lineCov"> 69910 : pos += i->first.size() + 1;</span>
<span class="lineNum"> 56 </span><span class="lineCov"> 69910 : ++idx;</span>
<span class="lineNum"> 57 </span> : }
<span class="lineNum"> 58 </span><span class="lineCov"> 1 : }</span>
<span class="lineNum"> 59 </span> : };
<span class="lineNum"> 60 </span> :
<span class="lineNum"> 61 </span> :
<span class="lineNum"> 62 </span><span class="lineCov"> 7 : PopconIndexer::PopconIndexer()</span>
<span class="lineNum"> 63 </span> : : mainSource(Path::popconSourceDir()),
<span class="lineNum"> 64 </span><span class="lineCov"> 7 : userSource(Path::popconUserSourceDir())</span>
<span class="lineNum"> 65 </span> : {
<span class="lineNum"> 66 </span><span class="lineCov"> 7 : rescan();</span>
<span class="lineNum"> 67 </span><span class="lineCov"> 7 : }</span>
<span class="lineNum"> 68 </span> :
<span class="lineNum"> 69 </span><span class="lineCov"> 7 : void PopconIndexer::rescan()</span>
<span class="lineNum"> 70 </span> : {
<span class="lineNum"> 71 </span><span class="lineCov"> 7 : ts_main_src = mainSource.timestamp();</span>
<span class="lineNum"> 72 </span><span class="lineCov"> 7 : ts_user_src = userSource.timestamp();</span>
<span class="lineNum"> 73 </span><span class="lineCov"> 7 : ts_main_sco = Path::timestamp(Path::scores());</span>
<span class="lineNum"> 74 </span><span class="lineCov"> 14 : ts_user_sco = Path::timestamp(Path::userScores());</span>
<span class="lineNum"> 75 </span><span class="lineCov"> 14 : ts_main_idx = Path::timestamp(Path::scoresIndex());</span>
<span class="lineNum"> 76 </span><span class="lineCov"> 14 : ts_user_idx = Path::timestamp(Path::userScoresIndex());</span>
<span class="lineNum"> 77 </span><span class="lineCov"> 7 : }</span>
<span class="lineNum"> 78 </span> :
<span class="lineNum"> 79 </span><span class="lineCov"> 7 : bool PopconIndexer::needsRebuild() const</span>
<span class="lineNum"> 80 </span> : {
<span class="lineNum"> 81 </span> : // If there are no indexes of any kind, then we need rebuilding
<span class="lineNum"> 82 </span><span class="lineCov"> 7 : if (ts_user_sco == 0 || ts_main_sco == 0 || ts_user_idx == 0 && ts_main_idx == 0)</span>
<span class="lineNum"> 83 </span><span class="lineCov"> 2 : return true;</span>
<span class="lineNum"> 84 </span> :
<span class="lineNum"> 85 </span> : // If the user index is ok, then we are fine
<span class="lineNum"> 86 </span><span class="lineCov"> 5 : if (ts_user_sco >= sourceTimestamp() && ts_user_idx >= sourceTimestamp())</span>
<span class="lineNum"> 87 </span><span class="lineCov"> 5 : return false;</span>
<span class="lineNum"> 88 </span> :
<span class="lineNum"> 89 </span> : // If there are user sources, then we cannot use the system index
<span class="lineNum"> 90 </span><span class="lineNoCov"> 0 : if (ts_user_src > 0)</span>
<span class="lineNum"> 91 </span><span class="lineNoCov"> 0 : return true;</span>
<span class="lineNum"> 92 </span> :
<span class="lineNum"> 93 </span> : // If there are no user sources, then we can fallback on the system
<span class="lineNum"> 94 </span> : // indexes in case the user indexes are not up to date
<span class="lineNum"> 95 </span><span class="lineNoCov"> 0 : if (ts_main_sco >= sourceTimestamp() && ts_main_idx >= sourceTimestamp())</span>
<span class="lineNum"> 96 </span><span class="lineNoCov"> 0 : return false;</span>
<span class="lineNum"> 97 </span> :
<span class="lineNum"> 98 </span><span class="lineNoCov"> 0 : return true;</span>
<span class="lineNum"> 99 </span> : }
<span class="lineNum"> 100 </span> :
<span class="lineNum"> 101 </span><span class="lineCov"> 7 : bool PopconIndexer::userIndexIsRedundant() const</span>
<span class="lineNum"> 102 </span> : {
<span class="lineNum"> 103 </span> : // If there is no user index, then it is not redundant
<span class="lineNum"> 104 </span><span class="lineCov"> 7 : if (ts_user_idx == 0)</span>
<span class="lineNum"> 105 </span><span class="lineCov"> 1 : return false;</span>
<span class="lineNum"> 106 </span> :
<span class="lineNum"> 107 </span> : // If the system index is not up to date, then the user index is not
<span class="lineNum"> 108 </span> : // redundant
<span class="lineNum"> 109 </span><span class="lineCov"> 6 : if (ts_main_idx < sourceTimestamp())</span>
<span class="lineNum"> 110 </span><span class="lineNoCov"> 0 : return false;</span>
<span class="lineNum"> 111 </span> :
<span class="lineNum"> 112 </span><span class="lineCov"> 6 : return true;</span>
<span class="lineNum"> 113 </span> : }
<span class="lineNum"> 114 </span> :
<span class="lineNum"> 115 </span><span class="lineCov"> 2 : bool PopconIndexer::rebuild(const std::string& scofname, const std::string& idxfname)</span>
<span class="lineNum"> 116 </span> : {
<span class="lineNum"> 117 </span><span class="lineCov"> 2 : PopconGenerator gen;</span>
<span class="lineNum"> 118 </span> : InfoStruct is;
<span class="lineNum"> 119 </span><span class="lineCov"> 2 : is.submissions = 0;</span>
<span class="lineNum"> 120 </span><span class="lineCov"> 2 : if (!mainSource.readScores(gen.data, is.submissions))</span>
<span class="lineNum"> 121 </span><span class="lineCov"> 1 : userSource.readScores(gen.data, is.submissions);</span>
<span class="lineNum"> 122 </span><span class="lineCov"> 2 : if (gen.data.empty())</span>
<span class="lineNum"> 123 </span><span class="lineCov"> 1 : return false;</span>
<span class="lineNum"> 124 </span> :
<span class="lineNum"> 125 </span><span class="lineCov"> 1 : StructIndexer<InfoStruct> infoStruct(is);</span>
<span class="lineNum"> 126 </span> :
<span class="lineNum"> 127 </span> : // Create the index
<span class="lineNum"> 128 </span><span class="lineCov"> 1 : tagcoll::diskindex::MasterMMapIndexer master(idxfname);</span>
<span class="lineNum"> 129 </span><span class="lineCov"> 1 : master.append(gen);</span>
<span class="lineNum"> 130 </span><span class="lineCov"> 1 : master.append(infoStruct);</span>
<span class="lineNum"> 131 </span><span class="lineCov"> 1 : master.commit();</span>
<span class="lineNum"> 132 </span> :
<span class="lineNum"> 133 </span> : // for (map<string, Score>::const_iterator i = gen.data.begin(); i != gen.data.end(); ++i)
<span class="lineNum"> 134 </span> : // {
<span class="lineNum"> 135 </span> : // fprintf(stderr, "%s %d %f\n", i->first.c_str(), i->second.offset, i->second.score);
<span class="lineNum"> 136 </span> : // }
<span class="lineNum"> 137 </span> :
<span class="lineNum"> 138 </span> : // Create the score file
<span class="lineNum"> 139 </span><span class="lineCov"> 1 : FILE* out = fopen(scofname.c_str(), "wt");</span>
<span class="lineNum"> 140 </span><span class="lineCov"> 1 : if (out == NULL)</span>
<span class="lineNum"> 141 </span><span class="lineNoCov"> 0 : throw wibble::exception::File(scofname, "opening and truncating file for writing");</span>
<span class="lineNum"> 142 </span><span class="lineCov"> 69911 : for (map<string, Score>::const_iterator i = gen.data.begin();</span>
<span class="lineNum"> 143 </span> : i != gen.data.end(); ++i)
<span class="lineNum"> 144 </span> : {
<span class="lineNum"> 145 </span><span class="lineCov"> 69910 : fprintf(out, "%s %f\n", i->first.c_str(), i->second.score);</span>
<span class="lineNum"> 146 </span> : }
<span class="lineNum"> 147 </span><span class="lineCov"> 1 : fclose(out);</span>
<span class="lineNum"> 148 </span><span class="lineCov"> 1 : return true;</span>
<span class="lineNum"> 149 </span> : }
<span class="lineNum"> 150 </span> :
<span class="lineNum"> 151 </span><span class="lineCov"> 7 : bool PopconIndexer::rebuildIfNeeded()</span>
<span class="lineNum"> 152 </span> : {
<span class="lineNum"> 153 </span><span class="lineCov"> 7 : if (needsRebuild())</span>
<span class="lineNum"> 154 </span> : {
<span class="lineNum"> 155 </span> : // Decide if we rebuild the user index or the system index
<span class="lineNum"> 156 </span><span class="lineCov"> 2 : if (Path::access(Path::popconIndexDir(), W_OK) == 0)</span>
<span class="lineNum"> 157 </span> : {
<span class="lineNum"> 158 </span> : // Since we can write on the system index directory, we rebuild
<span class="lineNum"> 159 </span> : // the system index
<span class="lineNum"> 160 </span><span class="lineCov"> 2 : if (!rebuild(Path::scores(), Path::scoresIndex()))</span>
<span class="lineNum"> 161 </span><span class="lineCov"> 1 : return false;</span>
<span class="lineNum"> 162 </span><span class="lineCov"> 1 : ts_main_sco = Path::timestamp(Path::scores());</span>
<span class="lineNum"> 163 </span><span class="lineCov"> 2 : ts_main_idx = Path::timestamp(Path::scoresIndex());</span>
<span class="lineNum"> 164 </span><span class="lineCov"> 2 : if (Path::scores() == Path::userScores())</span>
<span class="lineNum"> 165 </span><span class="lineCov"> 1 : ts_user_sco = ts_main_sco;</span>
<span class="lineNum"> 166 </span><span class="lineCov"> 1 : if (Path::scoresIndex() == Path::userScoresIndex())</span>
<span class="lineNum"> 167 </span><span class="lineCov"> 1 : ts_user_idx = ts_main_idx;</span>
<span class="lineNum"> 168 </span> : } else {
<span class="lineNum"> 169 </span><span class="lineNoCov"> 0 : wibble::sys::fs::mkFilePath(Path::userScores());</span>
<span class="lineNum"> 170 </span><span class="lineNoCov"> 0 : wibble::sys::fs::mkFilePath(Path::userScoresIndex());</span>
<span class="lineNum"> 171 </span><span class="lineNoCov"> 0 : if (!rebuild(Path::userScores(), Path::userScoresIndex()))</span>
<span class="lineNum"> 172 </span><span class="lineNoCov"> 0 : return false;</span>
<span class="lineNum"> 173 </span><span class="lineNoCov"> 0 : ts_user_sco = Path::timestamp(Path::userScores());</span>
<span class="lineNum"> 174 </span><span class="lineNoCov"> 0 : ts_user_idx = Path::timestamp(Path::userScoresIndex());</span>
<span class="lineNum"> 175 </span> : }
<span class="lineNum"> 176 </span><span class="lineCov"> 1 : return true;</span>
<span class="lineNum"> 177 </span> : }
<span class="lineNum"> 178 </span><span class="lineCov"> 5 : return false;</span>
<span class="lineNum"> 179 </span> : }
<span class="lineNum"> 180 </span> :
<span class="lineNum"> 181 </span><span class="lineCov"> 7 : bool PopconIndexer::deleteRedundantUserIndex()</span>
<span class="lineNum"> 182 </span> : {
<span class="lineNum"> 183 </span><span class="lineCov"> 7 : if (userIndexIsRedundant())</span>
<span class="lineNum"> 184 </span> : {
<span class="lineNum"> 185 </span> : // Delete the user indexes if they exist
<span class="lineNum"> 186 </span><span class="lineCov"> 6 : if (Path::scores() != Path::userScores())</span>
<span class="lineNum"> 187 </span> : {
<span class="lineNum"> 188 </span><span class="lineNoCov"> 0 : unlink(Path::userScores().c_str());</span>
<span class="lineNum"> 189 </span><span class="lineNoCov"> 0 : ts_user_sco = 0;</span>
<span class="lineNum"> 190 </span> : }
<span class="lineNum"> 191 </span><span class="lineCov"> 6 : if (Path::scoresIndex() != Path::userScoresIndex())</span>
<span class="lineNum"> 192 </span> : {
<span class="lineNum"> 193 </span><span class="lineNoCov"> 0 : unlink(Path::userScoresIndex().c_str());</span>
<span class="lineNum"> 194 </span><span class="lineNoCov"> 0 : ts_user_idx = 0;</span>
<span class="lineNum"> 195 </span> : }
<span class="lineNum"> 196 </span><span class="lineCov"> 6 : return true;</span>
<span class="lineNum"> 197 </span> : }
<span class="lineNum"> 198 </span><span class="lineCov"> 1 : return false;</span>
<span class="lineNum"> 199 </span> : }
<span class="lineNum"> 200 </span> :
<span class="lineNum"> 201 </span><span class="lineCov"> 7 : bool PopconIndexer::getUpToDatePopcon(std::string& scofname, std::string& idxfname)</span>
<span class="lineNum"> 202 </span> : {
<span class="lineNum"> 203 </span> : // If there are no indexes of any kind, then we have nothing to return
<span class="lineNum"> 204 </span><span class="lineCov"> 7 : if (ts_user_sco == 0 && ts_main_sco == 0 && ts_user_idx == 0 && ts_main_idx == 0)</span>
<span class="lineNum"> 205 </span><span class="lineCov"> 1 : return false;</span>
<span class="lineNum"> 206 </span> :
<span class="lineNum"> 207 </span> : // If the user index is up to date, use it
<span class="lineNum"> 208 </span><span class="lineCov"> 6 : if (ts_user_sco >= sourceTimestamp() &&</span>
<span class="lineNum"> 209 </span> : ts_user_idx >= sourceTimestamp())
<span class="lineNum"> 210 </span> : {
<span class="lineNum"> 211 </span><span class="lineCov"> 6 : scofname = Path::userScores();</span>
<span class="lineNum"> 212 </span><span class="lineCov"> 12 : idxfname = Path::userScoresIndex();</span>
<span class="lineNum"> 213 </span><span class="lineCov"> 6 : return true;</span>
<span class="lineNum"> 214 </span> : }
<span class="lineNum"> 215 </span> :
<span class="lineNum"> 216 </span> : // If the user index is not up to date and we have user sources, we cannot
<span class="lineNum"> 217 </span> : // fall back to the system index
<span class="lineNum"> 218 </span><span class="lineNoCov"> 0 : if (ts_user_src != 0)</span>
<span class="lineNum"> 219 </span><span class="lineNoCov"> 0 : return false;</span>
<span class="lineNum"> 220 </span> :
<span class="lineNum"> 221 </span> : // Fallback to the system index
<span class="lineNum"> 222 </span><span class="lineNoCov"> 0 : if (ts_main_sco >= sourceTimestamp() &&</span>
<span class="lineNum"> 223 </span> : ts_main_idx >= sourceTimestamp())
<span class="lineNum"> 224 </span> : {
<span class="lineNum"> 225 </span><span class="lineNoCov"> 0 : scofname = Path::scores();</span>
<span class="lineNum"> 226 </span><span class="lineNoCov"> 0 : idxfname = Path::scoresIndex();</span>
<span class="lineNum"> 227 </span><span class="lineNoCov"> 0 : return true;</span>
<span class="lineNum"> 228 </span> : }
<span class="lineNum"> 229 </span> :
<span class="lineNum"> 230 </span><span class="lineNoCov"> 0 : return false;</span>
<span class="lineNum"> 231 </span> : }
<span class="lineNum"> 232 </span> :
<span class="lineNum"> 233 </span> :
<span class="lineNum"> 234 </span><span class="lineCov"> 7 : bool PopconIndexer::obtainWorkingPopcon(std::string& scofname, std::string& idxfname)</span>
<span class="lineNum"> 235 </span> : {
<span class="lineNum"> 236 </span><span class="lineCov"> 7 : PopconIndexer indexer;</span>
<span class="lineNum"> 237 </span> :
<span class="lineNum"> 238 </span><span class="lineCov"> 7 : indexer.rebuildIfNeeded();</span>
<span class="lineNum"> 239 </span><span class="lineCov"> 7 : indexer.deleteRedundantUserIndex();</span>
<span class="lineNum"> 240 </span><span class="lineCov"> 7 : return indexer.getUpToDatePopcon(scofname, idxfname);</span>
<span class="lineNum"> 241 </span> : }
<span class="lineNum"> 242 </span> :
<span class="lineNum"> 243 </span> :
<span class="lineNum"> 244 </span> : }
<span class="lineNum"> 245 </span><span class="lineCov"> 6 : }</span>
<span class="lineNum"> 246 </span> :
<span class="lineNum"> 247 </span> : // vim:set ts=4 sw=4:
</pre>
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</table>
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<table width="100%" border=0 cellspacing=0 cellpadding=0>
<tr><td class="ruler"><img src="../../../glass.png" width=3 height=3 alt=""></td></tr>
<tr><td class="versionInfo">Generated by: <a href="http://ltp.sourceforge.net/coverage/lcov.php" target="_parent">LTP GCOV extension version 1.6</a></td></tr>
</table>
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