| /* |
| * 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.cassandra.hints; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.nio.ByteBuffer; |
| import java.nio.channels.FileChannel; |
| import java.util.zip.CRC32; |
| import javax.crypto.Cipher; |
| |
| import com.google.common.annotations.VisibleForTesting; |
| |
| import org.apache.cassandra.security.EncryptionUtils; |
| import org.apache.cassandra.io.compress.ICompressor; |
| |
| import static org.apache.cassandra.utils.FBUtilities.updateChecksum; |
| |
| public class EncryptedHintsWriter extends HintsWriter |
| { |
| private final Cipher cipher; |
| private final ICompressor compressor; |
| private volatile ByteBuffer byteBuffer; |
| |
| protected EncryptedHintsWriter(File directory, HintsDescriptor descriptor, File file, FileChannel channel, int fd, CRC32 globalCRC) |
| { |
| super(directory, descriptor, file, channel, fd, globalCRC); |
| cipher = descriptor.getCipher(); |
| compressor = descriptor.createCompressor(); |
| } |
| |
| protected void writeBuffer(ByteBuffer input) throws IOException |
| { |
| byteBuffer = EncryptionUtils.compress(input, byteBuffer, true, compressor); |
| ByteBuffer output = EncryptionUtils.encryptAndWrite(byteBuffer, channel, true, cipher); |
| updateChecksum(globalCRC, output); |
| } |
| |
| @VisibleForTesting |
| Cipher getCipher() |
| { |
| return cipher; |
| } |
| |
| @VisibleForTesting |
| ICompressor getCompressor() |
| { |
| return compressor; |
| } |
| } |