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Code Issues Releases Wiki Activity

HashDbIngestModule: slight optimization for totals access (reduce number of lock acquisitions)

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This commit is contained in:
Samuel H. Kenyon
2014-04-23 11:50:40 -04:00
parent f300ca7ef0
commit d1861b77ba
1 changed files with 7 additions and 4 deletions
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HashDatabase/src/org/sleuthkit/autopsy/hashdatabase/HashDbIngestModule.java
+7 -4
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@@ -137,6 +137,9 @@ public class HashDbIngestModule extends IngestModuleAdapter implements FileInges
return ProcessResult.OK;
}
// Safely get a reference to the totalsForIngestJobs object
IngestJobTotals totals = getTotalsForIngestJobs(jobId);
// calc hash value
String name = file.getName();
String md5Hash = file.getMd5Hash();
@@ -145,7 +148,7 @@ public class HashDbIngestModule extends IngestModuleAdapter implements FileInges
long calcstart = System.currentTimeMillis();
md5Hash = hasher.calculateMd5(file);
long delta = (System.currentTimeMillis() - calcstart);
getTotalsForIngestJobs(jobId).totalCalctime.addAndGet(delta);
totals.totalCalctime.addAndGet(delta);
} catch (IOException ex) {
logger.log(Level.WARNING, "Error calculating hash of file " + name, ex); //NON-NLS
@@ -170,7 +173,7 @@ public class HashDbIngestModule extends IngestModuleAdapter implements FileInges
HashInfo hashInfo = db.lookUp(file);
if (null != hashInfo) {
foundBad = true;
getTotalsForIngestJobs(jobId).totalKnownBadCount.incrementAndGet();
totals.totalKnownBadCount.incrementAndGet();
try {
skCase.setKnown(file, TskData.FileKnown.BAD);
@@ -205,7 +208,7 @@ public class HashDbIngestModule extends IngestModuleAdapter implements FileInges
postHashSetHitToBlackboard(file, md5Hash, hashSetName, comment, db.getSendIngestMessages());
}
long delta = (System.currentTimeMillis() - lookupstart);
getTotalsForIngestJobs(jobId).totalLookuptime.addAndGet(delta);
totals.totalLookuptime.addAndGet(delta);
} catch (TskException ex) {
logger.log(Level.WARNING, "Couldn't lookup known bad hash for file " + name + " - see sleuthkit log for details", ex); //NON-NLS
@@ -238,7 +241,7 @@ public class HashDbIngestModule extends IngestModuleAdapter implements FileInges
}
}
long delta = (System.currentTimeMillis() - lookupstart);
getTotalsForIngestJobs(jobId).totalLookuptime.addAndGet(delta);
totals.totalLookuptime.addAndGet(delta);
} catch (TskException ex) {
logger.log(Level.WARNING, "Couldn't lookup known hash for file " + name + " - see sleuthkit log for details", ex); //NON-NLS