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.ipc;
019
020import java.io.IOException;
021import java.net.InetSocketAddress;
022import java.util.List;
023import org.apache.hadoop.conf.Configuration;
024import org.apache.hadoop.hbase.DoNotRetryIOException;
025import org.apache.hadoop.hbase.Server;
026import org.apache.hadoop.hbase.nio.ByteBuff;
027
028import org.apache.hbase.thirdparty.io.netty.channel.Channel;
029
030public class FailingNettyRpcServer extends NettyRpcServer {
031
032  public FailingNettyRpcServer(Server server, String name,
033    List<RpcServer.BlockingServiceAndInterface> services, InetSocketAddress bindAddress,
034    Configuration conf, RpcScheduler scheduler) throws IOException {
035    super(server, name, services, bindAddress, conf, scheduler, true);
036  }
037
038  static final class FailingConnection extends NettyServerRpcConnection {
039    private FailingConnection(FailingNettyRpcServer rpcServer, Channel channel) {
040      super(rpcServer, channel);
041    }
042
043    @Override
044    public void processRequest(ByteBuff buf) throws IOException, InterruptedException {
045      // this will throw exception after the connection header is read, and an RPC is sent
046      // from client
047      throw new DoNotRetryIOException("Failing for test");
048    }
049  }
050
051  @Override
052  protected NettyServerRpcConnection createNettyServerRpcConnection(Channel channel) {
053    return new FailingConnection(FailingNettyRpcServer.this, channel);
054  }
055}