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HDFS-5107 Fix array copy error in Readdir and Readdirplus responses. Contributed by Brandon Li 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1515166 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Brandon Li 2013-08-18 16:49:27 +00:00
parent 214d4377fc
commit b7fb6fd6c4
3 changed files with 22 additions and 19 deletions
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20
hadoop-common-project/hadoop-nfs/src/main/java/org/apache/hadoop/nfs/nfs3/response/READDIR3Response.java
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@ -17,12 +17,14 @@
*/ */
package org.apache.hadoop.nfs.nfs3.response; package org.apache.hadoop.nfs.nfs3.response;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import org.apache.hadoop.nfs.nfs3.Nfs3FileAttributes; import org.apache.hadoop.nfs.nfs3.Nfs3FileAttributes;
import org.apache.hadoop.nfs.nfs3.Nfs3Status; import org.apache.hadoop.nfs.nfs3.Nfs3Status;
import org.apache.hadoop.oncrpc.XDR; import org.apache.hadoop.oncrpc.XDR;
import com.google.common.collect.ObjectArrays;
/** /**
* READDIR3 Response * READDIR3 Response
*/ */
@ -56,12 +58,11 @@ public class READDIR3Response extends NFS3Response {
} }
public static class DirList3 { public static class DirList3 {
final Entry3 entries[]; final List<Entry3> entries;
final boolean eof; final boolean eof;
public DirList3(Entry3[] entries, boolean eof) { public DirList3(Entry3[] entries, boolean eof) {
this.entries = ObjectArrays.newArray(entries, entries.length); this.entries = Collections.unmodifiableList(Arrays.asList(entries));
System.arraycopy(this.entries, 0, entries, 0, entries.length);
this.eof = eof; this.eof = eof;
} }
} }
@ -102,12 +103,11 @@ public class READDIR3Response extends NFS3Response {
if (getStatus() == Nfs3Status.NFS3_OK) { if (getStatus() == Nfs3Status.NFS3_OK) {
xdr.writeLongAsHyper(cookieVerf); xdr.writeLongAsHyper(cookieVerf);
Entry3[] f = dirList.entries; for (Entry3 e : dirList.entries) {
for (int i = 0; i < f.length; i++) {
xdr.writeBoolean(true); // Value follows xdr.writeBoolean(true); // Value follows
xdr.writeLongAsHyper(f[i].getFileId()); xdr.writeLongAsHyper(e.getFileId());
xdr.writeString(f[i].getName()); xdr.writeString(e.getName());
xdr.writeLongAsHyper(f[i].getCookie()); xdr.writeLongAsHyper(e.getCookie());
} }
xdr.writeBoolean(false); xdr.writeBoolean(false);

18
hadoop-common-project/hadoop-nfs/src/main/java/org/apache/hadoop/nfs/nfs3/response/READDIRPLUS3Response.java
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@ -17,13 +17,15 @@
*/ */
package org.apache.hadoop.nfs.nfs3.response; package org.apache.hadoop.nfs.nfs3.response;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import org.apache.hadoop.nfs.nfs3.FileHandle; import org.apache.hadoop.nfs.nfs3.FileHandle;
import org.apache.hadoop.nfs.nfs3.Nfs3FileAttributes; import org.apache.hadoop.nfs.nfs3.Nfs3FileAttributes;
import org.apache.hadoop.nfs.nfs3.Nfs3Status; import org.apache.hadoop.nfs.nfs3.Nfs3Status;
import org.apache.hadoop.oncrpc.XDR; import org.apache.hadoop.oncrpc.XDR;
import com.google.common.collect.ObjectArrays;
/** /**
* READDIRPLUS3 Response * READDIRPLUS3 Response
*/ */
@ -60,16 +62,15 @@ public class READDIRPLUS3Response extends NFS3Response {
} }
public static class DirListPlus3 { public static class DirListPlus3 {
EntryPlus3 entries[]; List<EntryPlus3> entries;
boolean eof; boolean eof;
public DirListPlus3(EntryPlus3[] entries, boolean eof) { public DirListPlus3(EntryPlus3[] entries, boolean eof) {
this.entries = ObjectArrays.newArray(entries, entries.length); this.entries = Collections.unmodifiableList(Arrays.asList(entries));
System.arraycopy(this.entries, 0, entries, 0, entries.length);
this.eof = eof; this.eof = eof;
} }
EntryPlus3[] getEntries() { List<EntryPlus3> getEntries() {
return entries; return entries;
} }
@ -101,10 +102,9 @@ public class READDIRPLUS3Response extends NFS3Response {
if (getStatus() == Nfs3Status.NFS3_OK) { if (getStatus() == Nfs3Status.NFS3_OK) {
out.writeLongAsHyper(cookieVerf); out.writeLongAsHyper(cookieVerf);
EntryPlus3[] f = dirListPlus.getEntries(); for (EntryPlus3 f : dirListPlus.getEntries()) {
for (int i = 0; i < f.length; i++) {
out.writeBoolean(true); // next out.writeBoolean(true); // next
f[i].seralize(out); f.seralize(out);
} }
out.writeBoolean(false); out.writeBoolean(false);

3
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
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@ -293,6 +293,9 @@ Release 2.1.1-beta - UNRELEASED
HDFS-5104 Support dotdot name in NFS LOOKUP operation (brandonli) HDFS-5104 Support dotdot name in NFS LOOKUP operation (brandonli)
HDFS-5107 Fix array copy error in Readdir and Readdirplus responses
(brandonli)
IMPROVEMENTS IMPROVEMENTS
HDFS-4513. Clarify in the WebHDFS REST API that all JSON respsonses may HDFS-4513. Clarify in the WebHDFS REST API that all JSON respsonses may