hadoop READ3Response 源码
haddop READ3Response 代码
文件路径：/hadoop-common-project/hadoop-nfs/src/main/java/org/apache/hadoop/nfs/nfs3/response/READ3Response.java
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.nfs.nfs3.response;
import java.nio.ByteBuffer;
import org.apache.hadoop.nfs.nfs3.Nfs3FileAttributes;
import org.apache.hadoop.nfs.nfs3.Nfs3Status;
import org.apache.hadoop.oncrpc.XDR;
import org.apache.hadoop.oncrpc.security.Verifier;
/**
* READ3 Response
*/
public class READ3Response extends NFS3Response {
private final Nfs3FileAttributes postOpAttr;
private final int count; // The real bytes of read data
private final boolean eof;
private final ByteBuffer data;
public READ3Response(int status) {
this(status, new Nfs3FileAttributes(), 0, false, null);
}
public READ3Response(int status, Nfs3FileAttributes postOpAttr, int count,
boolean eof, ByteBuffer data) {
super(status);
this.postOpAttr = postOpAttr;
this.count = count;
this.eof = eof;
this.data = data;
}
public Nfs3FileAttributes getPostOpAttr() {
return postOpAttr;
}
public int getCount() {
return count;
}
public boolean isEof() {
return eof;
}
public ByteBuffer getData() {
return data;
}
public static READ3Response deserialize(XDR xdr) {
int status = xdr.readInt();
xdr.readBoolean();
Nfs3FileAttributes postOpAttr = Nfs3FileAttributes.deserialize(xdr);
int count = 0;
boolean eof = false;
byte[] data = new byte[0];
if (status == Nfs3Status.NFS3_OK) {
count = xdr.readInt();
eof = xdr.readBoolean();
int len = xdr.readInt();
assert (len == count);
data = xdr.readFixedOpaque(count);
}
return new READ3Response(status, postOpAttr, count, eof,
ByteBuffer.wrap(data));
}
@Override
public XDR serialize(XDR out, int xid, Verifier verifier) {
super.serialize(out, xid, verifier);
out.writeBoolean(true); // Attribute follows
postOpAttr.serialize(out);
if (getStatus() == Nfs3Status.NFS3_OK) {
out.writeInt(count);
out.writeBoolean(eof);
out.writeInt(count);
out.writeFixedOpaque(data.array(), count);
}
return out;
}
}
相关信息
相关文章
0
赞
热门推荐
-
2、 - 优质文章
-
3、 gate.io
-
8、 golang
-
9、 openharmony
-
10、 Vue中input框自动聚焦