001/**
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hadoop.hbase.regionserver.wal;
019
020import java.io.IOException;
021
022import org.apache.hadoop.conf.Configuration;
023import org.apache.hadoop.hbase.HBaseInterfaceAudience;
024import org.apache.hadoop.hbase.io.crypto.Encryptor;
025import org.apache.yetus.audience.InterfaceAudience;
026
027import org.apache.hbase.thirdparty.io.netty.channel.Channel;
028import org.apache.hbase.thirdparty.io.netty.channel.EventLoopGroup;
029import org.apache.hadoop.hbase.shaded.protobuf.generated.WALProtos.WALHeader;
030
031@InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.CONFIG)
032public class SecureAsyncProtobufLogWriter extends AsyncProtobufLogWriter {
033
034  private Encryptor encryptor = null;
035
036  public SecureAsyncProtobufLogWriter(EventLoopGroup eventLoopGroup,
037      Class<? extends Channel> channelClass) {
038    super(eventLoopGroup, channelClass);
039  }
040
041  /*
042   * @return class name which is recognized by hbase-1.x to avoid ProtobufLogReader throwing error:
043   *   IOException: Got unknown writer class: SecureAsyncProtobufLogWriter
044   */
045  @Override
046  protected String getWriterClassName() {
047    return "SecureProtobufLogWriter";
048  }
049  @Override
050  protected WALHeader buildWALHeader(Configuration conf, WALHeader.Builder builder)
051      throws IOException {
052    return super.buildSecureWALHeader(conf, builder);
053  }
054
055  @Override
056  protected void setEncryptor(Encryptor encryptor) {
057    this.encryptor = encryptor;
058  }
059
060  @Override
061  protected void initAfterHeader(boolean doCompress) throws IOException {
062    super.secureInitAfterHeader(doCompress, encryptor);
063  }
064}