/// <summary>Checks that the edits file has all opCodes</summary>
/// <param name="filename">edits file</param>
/// <returns>true is edits (filename) has all opCodes</returns>
/// <exception cref="System.IO.IOException"/>
private bool HasAllOpCodes(string inFilename)
{
string outFilename = inFilename + ".stats";
FileOutputStream fout = new FileOutputStream(outFilename);
StatisticsEditsVisitor visitor = new StatisticsEditsVisitor(fout);
Org.Apache.Hadoop.Hdfs.Tools.OfflineEditsViewer.OfflineEditsViewer oev = new Org.Apache.Hadoop.Hdfs.Tools.OfflineEditsViewer.OfflineEditsViewer
();
if (oev.Go(inFilename, outFilename, "stats", new OfflineEditsViewer.Flags(), visitor
) != 0)
{
return(false);
}
Log.Info("Statistics for " + inFilename + "\n" + visitor.GetStatisticsString());
bool hasAllOpCodes = true;
foreach (FSEditLogOpCodes opCode in FSEditLogOpCodes.Values())
{
// don't need to test obsolete opCodes
if (skippedOps.Contains(opCode))
{
continue;
}
long count = visitor.GetStatistics()[opCode];
if ((count == null) || (count == 0))
{
hasAllOpCodes = false;
Log.Info("Opcode " + opCode + " not tested in " + inFilename);
}
}
return(hasAllOpCodes);
}
/// <summary>Factory function that creates an EditsVisitor object</summary>
/// <param name="filename">output filename</param>
/// <param name="processor">type of visitor to create</param>
/// <param name="printToScreen">parameter passed to visitor constructor</param>
/// <returns>EditsVisitor for appropriate output format (binary, xml, etc.)</returns>
/// <exception cref="System.IO.IOException"/>
public static OfflineEditsVisitor GetEditsVisitor(string filename, string processor
, bool printToScreen)
{
if (StringUtils.EqualsIgnoreCase("binary", processor))
{
return(new BinaryEditsVisitor(filename));
}
OfflineEditsVisitor vis;
OutputStream fout = new FileOutputStream(filename);
OutputStream @out = null;
try
{
if (!printToScreen)
{
@out = fout;
}
else
{
OutputStream[] outs = new OutputStream[2];
outs[0] = fout;
outs[1] = System.Console.Out;
@out = new TeeOutputStream(outs);
}
if (StringUtils.EqualsIgnoreCase("xml", processor))
{
vis = new XmlEditsVisitor(@out);
}
else
{
if (StringUtils.EqualsIgnoreCase("stats", processor))
{
vis = new StatisticsEditsVisitor(@out);
}
else
{
throw new IOException("Unknown proccesor " + processor + " (valid processors: xml, binary, stats)"
);
}
}
@out = fout = null;
return(vis);
}
finally
{
IOUtils.CloseStream(fout);
IOUtils.CloseStream(@out);
}
}
