| /** |
| * 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 org.apache.hadoop.nfs.nfs3.FileHandle; |
| import org.apache.hadoop.nfs.nfs3.Nfs3Constant; |
| import org.apache.hadoop.nfs.nfs3.Nfs3FileAttributes; |
| import org.apache.hadoop.nfs.nfs3.Nfs3Status; |
| import org.apache.hadoop.nfs.nfs3.Nfs3Constant.WriteStableHow; |
| import org.apache.hadoop.oncrpc.XDR; |
| import org.apache.hadoop.oncrpc.security.Verifier; |
| |
| /** |
| * WRITE3 Response |
| */ |
| public class WRITE3Response extends NFS3Response { |
| private final WccData fileWcc; // return on both success and failure |
| private final int count; |
| private final WriteStableHow stableHow; |
| private final long verifer; |
| |
| public WRITE3Response(int status) { |
| this(status, new WccData(null, null), 0, WriteStableHow.UNSTABLE, |
| Nfs3Constant.WRITE_COMMIT_VERF); |
| } |
| |
| public WRITE3Response(int status, WccData fileWcc, int count, |
| WriteStableHow stableHow, long verifier) { |
| super(status); |
| this.fileWcc = fileWcc; |
| this.count = count; |
| this.stableHow = stableHow; |
| this.verifer = verifier; |
| } |
| |
| public int getCount() { |
| return count; |
| } |
| |
| public WriteStableHow getStableHow() { |
| return stableHow; |
| } |
| |
| public long getVerifer() { |
| return verifer; |
| } |
| |
| public static WRITE3Response deserialize(XDR xdr) { |
| int status = xdr.readInt(); |
| WccData fileWcc = WccData.deserialize(xdr); |
| int count = 0; |
| WriteStableHow stableHow = null; |
| long verifier = 0; |
| |
| if (status == Nfs3Status.NFS3_OK) { |
| count = xdr.readInt(); |
| int how = xdr.readInt(); |
| stableHow = WriteStableHow.values()[how]; |
| verifier = xdr.readHyper(); |
| } |
| return new WRITE3Response(status, fileWcc, count, stableHow, verifier); |
| } |
| |
| @Override |
| public XDR serialize(XDR out, int xid, Verifier verifier) { |
| super.serialize(out, xid, verifier); |
| fileWcc.serialize(out); |
| if (getStatus() == Nfs3Status.NFS3_OK) { |
| out.writeInt(count); |
| out.writeInt(stableHow.getValue()); |
| out.writeLongAsHyper(verifer); |
| } |
| return out; |
| } |
| } |