/**
* 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.request;
import java.util.EnumSet;
import org.apache.hadoop.nfs.NfsTime;
import org.apache.hadoop.oncrpc.XDR;
/**
* SetAttr3 contains the file attributes that can be set from the client. The
* fields are the same as the similarly named fields in the NFS3Attributes
* structure.
*/
public class SetAttr3 {
// Options for time stamp change
public static final int TIME_DONT_CHANGE = 0;
public static final int TIME_SET_TO_SERVER_TIME = 1;
public static final int TIME_SET_TO_CLIENT_TIME = 2;
private int mode;
private int uid;
private int gid;
private long size;
private NfsTime atime;
private NfsTime mtime;
private EnumSet<SetAttrField> updateFields;
public static enum SetAttrField {
MODE, UID, GID, SIZE, ATIME, MTIME
};
public SetAttr3() {
mode = 0;
uid = 0;
gid = 0;
size = 0;
updateFields = EnumSet.noneOf(SetAttrField.class);
}
public int getMode() {
return mode;
}
public int getUid() {
return uid;
}
public int getGid() {
return gid;
}
public void setGid(int gid) {
this.gid = gid;
}
public long getSize() {
return size;
}
public NfsTime getAtime() {
return atime;
}
public NfsTime getMtime() {
return mtime;
}
public EnumSet<SetAttrField> getUpdateFields() {
return updateFields;
}
public void setUpdateFields(EnumSet<SetAttrField> updateFields) {
this.updateFields = updateFields;
}
public void serialize(XDR xdr) {
if (!updateFields.contains(SetAttrField.MODE)) {
xdr.writeBoolean(false);
} else {
xdr.writeBoolean(true);
xdr.writeInt(mode);
}
if (!updateFields.contains(SetAttrField.UID)) {
xdr.writeBoolean(false);
} else {
xdr.writeBoolean(true);
xdr.writeInt(uid);
}
if (!updateFields.contains(SetAttrField.GID)) {
xdr.writeBoolean(false);
} else {
xdr.writeBoolean(true);
xdr.writeInt(gid);
}
if (!updateFields.contains(SetAttrField.SIZE)) {
xdr.writeBoolean(false);
} else {
xdr.writeBoolean(true);
xdr.writeLongAsHyper(size);
}
if (!updateFields.contains(SetAttrField.ATIME)) {
xdr.writeBoolean(false);
} else {
xdr.writeBoolean(true);
atime.serialize(xdr);
}
if (!updateFields.contains(SetAttrField.MTIME)) {
xdr.writeBoolean(false);
} else {
xdr.writeBoolean(true);
mtime.serialize(xdr);
}
}
public void deserialize(XDR xdr) {
if (xdr.readBoolean()) {
mode = xdr.readInt();
updateFields.add(SetAttrField.MODE);
}
if (xdr.readBoolean()) {
uid = xdr.readInt();
updateFields.add(SetAttrField.UID);
}
if (xdr.readBoolean()) {
gid = xdr.readInt();
updateFields.add(SetAttrField.GID);
}
if (xdr.readBoolean()) {
size = xdr.readHyper();
updateFields.add(SetAttrField.SIZE);
}
int timeSetHow = xdr.readInt();
if (timeSetHow == TIME_SET_TO_CLIENT_TIME) {
atime = NfsTime.deserialize(xdr);
updateFields.add(SetAttrField.ATIME);
} else if (timeSetHow == TIME_SET_TO_SERVER_TIME) {
atime = new NfsTime(System.currentTimeMillis());
updateFields.add(SetAttrField.ATIME);
}
timeSetHow = xdr.readInt();
if (timeSetHow == TIME_SET_TO_CLIENT_TIME) {
mtime = NfsTime.deserialize(xdr);
updateFields.add(SetAttrField.MTIME);
} else if (timeSetHow == TIME_SET_TO_SERVER_TIME) {
mtime = new NfsTime(System.currentTimeMillis());
updateFields.add(SetAttrField.MTIME);
}
}
}