public virtual void TestDigest()
{
Configuration conf = new Configuration();
MiniDFSCluster cluster = null;
try
{
cluster = new MiniDFSCluster.Builder(conf).NumDataNodes(0).Build();
DistributedFileSystem fs = cluster.GetFileSystem();
fs.SetSafeMode(HdfsConstants.SafeModeAction.SafemodeEnter);
fs.SaveNamespace();
fs.SetSafeMode(HdfsConstants.SafeModeAction.SafemodeLeave);
FilePath currentDir = FSImageTestUtil.GetNameNodeCurrentDirs(cluster, 0)[0];
FilePath fsimage = FSImageTestUtil.FindNewestImageFile(currentDir.GetAbsolutePath
());
NUnit.Framework.Assert.AreEqual(MD5FileUtils.ReadStoredMd5ForFile(fsimage), MD5FileUtils
.ComputeMd5ForFile(fsimage));
}
finally
{
if (cluster != null)
{
cluster.Shutdown();
}
}
}
/// <summary>Set headers for content length, and, if available, md5.</summary>
/// <exception cref="System.IO.IOException"></exception>
public static void SetVerificationHeadersForGet(HttpServletResponse response, FilePath
file)
{
response.SetHeader(TransferFsImage.ContentLength, file.Length().ToString());
MD5Hash hash = MD5FileUtils.ReadStoredMd5ForFile(file);
if (hash != null)
{
response.SetHeader(TransferFsImage.Md5Header, hash.ToString());
}
}
/// <summary>Set headers for image length and if available, md5.</summary>
/// <exception cref="System.IO.IOException"/>
internal static void SetVerificationHeadersForPut(HttpURLConnection connection, FilePath
file)
{
connection.SetRequestProperty(TransferFsImage.ContentLength, file.Length().ToString
());
MD5Hash hash = MD5FileUtils.ReadStoredMd5ForFile(file);
if (hash != null)
{
connection.SetRequestProperty(TransferFsImage.Md5Header, hash.ToString());
}
}
