You are viewing a plain text version of this content. The canonical link for it is here.
Posted to hdfs-commits@hadoop.apache.org by sz...@apache.org on 2012/08/21 11:49:01 UTC

svn commit: r1375453 - in /hadoop/common/branches/branch-2/hadoop-hdfs-project: ./ hadoop-hdfs/ hadoop-hdfs/src/main/java/ hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/web/JsonUtil.java hadoop-hdfs/src/main/native/ hadoop-hdfs/src/test/hdfs/

Author: szetszwo
Date: Tue Aug 21 09:49:00 2012
New Revision: 1375453

URL: http://svn.apache.org/viewvc?rev=1375453&view=rev
Log:
svn merge -c 1375450 from trunk for HADOOP-8239. Add subclasses of MD5MD5CRC32FileChecksum to support file checksum with CRC32C.

Modified:
    hadoop/common/branches/branch-2/hadoop-hdfs-project/   (props changed)
    hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/   (props changed)
    hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/src/main/java/   (props changed)
    hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/web/JsonUtil.java
    hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/src/main/native/   (props changed)
    hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/src/test/hdfs/   (props changed)

Propchange: hadoop/common/branches/branch-2/hadoop-hdfs-project/
------------------------------------------------------------------------------
  Merged /hadoop/common/trunk/hadoop-hdfs-project:r1375450

Propchange: hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/
------------------------------------------------------------------------------
  Merged /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs:r1375450

Propchange: hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/src/main/java/
------------------------------------------------------------------------------
  Merged /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java:r1375450

Modified: hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/web/JsonUtil.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/web/JsonUtil.java?rev=1375453&r1=1375452&r2=1375453&view=diff
==============================================================================
--- hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/web/JsonUtil.java (original)
+++ hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/web/JsonUtil.java Tue Aug 21 09:49:00 2012
@@ -29,6 +29,8 @@ import java.util.TreeMap;
 import org.apache.hadoop.fs.ContentSummary;
 import org.apache.hadoop.fs.FileChecksum;
 import org.apache.hadoop.fs.FileStatus;
+import org.apache.hadoop.fs.MD5MD5CRC32CastagnoliFileChecksum;
+import org.apache.hadoop.fs.MD5MD5CRC32GzipFileChecksum;
 import org.apache.hadoop.fs.MD5MD5CRC32FileChecksum;
 import org.apache.hadoop.fs.permission.FsPermission;
 import org.apache.hadoop.hdfs.DFSUtil;
@@ -43,6 +45,7 @@ import org.apache.hadoop.hdfs.security.t
 import org.apache.hadoop.ipc.RemoteException;
 import org.apache.hadoop.security.token.Token;
 import org.apache.hadoop.security.token.TokenIdentifier;
+import org.apache.hadoop.util.DataChecksum;
 import org.apache.hadoop.util.StringUtils;
 import org.mortbay.util.ajax.JSON;
 
@@ -512,7 +515,21 @@ public class JsonUtil {
     final byte[] bytes = StringUtils.hexStringToByte((String)m.get("bytes"));
 
     final DataInputStream in = new DataInputStream(new ByteArrayInputStream(bytes));
-    final MD5MD5CRC32FileChecksum checksum = new MD5MD5CRC32FileChecksum();
+    final DataChecksum.Type crcType = 
+        MD5MD5CRC32FileChecksum.getCrcTypeFromAlgorithmName(algorithm);
+    final MD5MD5CRC32FileChecksum checksum;
+
+    // Recreate what DFSClient would have returned.
+    switch(crcType) {
+      case CRC32:
+        checksum = new MD5MD5CRC32GzipFileChecksum();
+        break;
+      case CRC32C:
+        checksum = new MD5MD5CRC32CastagnoliFileChecksum();
+        break;
+      default:
+        throw new IOException("Unknown algorithm: " + algorithm);
+    }
     checksum.readFields(in);
 
     //check algorithm name

Propchange: hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/src/main/native/
------------------------------------------------------------------------------
  Merged /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/native:r1375450

Propchange: hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/src/test/hdfs/
------------------------------------------------------------------------------
  Merged /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/hdfs:r1375450