content: /*
   * 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.gms;
  
  import java.io.*;
  import java.util.HashMap;
  import java.util.Map;
  
  import org.apache.cassandra.db.TypeSizes;
  import org.apache.cassandra.io.IVersionedSerializer;
  import org.apache.cassandra.io.util.DataInputPlus;
  import org.apache.cassandra.io.util.DataOutputPlus;
  import org.apache.cassandra.locator.InetAddressAndPort;
  
  import static org.apache.cassandra.locator.InetAddressAndPort.Serializer.inetAddressAndPortSerializer;
  
  /**
   * This ack gets sent out as a result of the receipt of a GossipDigestAckMessage. This the
   * last stage of the 3 way messaging of the Gossip protocol.
   */
  public class GossipDigestAck2
  {
      public static final IVersionedSerializer<GossipDigestAck2> serializer = new GossipDigestAck2Serializer();
  
      final Map<InetAddressAndPort, EndpointState> epStateMap;
  
      GossipDigestAck2(Map<InetAddressAndPort, EndpointState> epStateMap)
      {
          this.epStateMap = epStateMap;
      }
  }
  
  class GossipDigestAck2Serializer implements IVersionedSerializer<GossipDigestAck2>
  {
      public void serialize(GossipDigestAck2 ack2, DataOutputPlus out, int version) throws IOException
      {
          out.writeInt(ack2.epStateMap.size());
          for (Map.Entry<InetAddressAndPort, EndpointState> entry : ack2.epStateMap.entrySet())
          {
              InetAddressAndPort ep = entry.getKey();
              inetAddressAndPortSerializer.serialize(ep, out, version);
              EndpointState.serializer.serialize(entry.getValue(), out, version);
          }
      }
  
      public GossipDigestAck2 deserialize(DataInputPlus in, int version) throws IOException
      {
          int size = in.readInt();
          Map<InetAddressAndPort, EndpointState> epStateMap = new HashMap<>(size);
  
          for (int i = 0; i < size; ++i)
          {
              InetAddressAndPort ep = inetAddressAndPortSerializer.deserialize(in, version);
              EndpointState epState = EndpointState.serializer.deserialize(in, version);
              epStateMap.put(ep, epState);
          }
          return new GossipDigestAck2(epStateMap);
      }
  
      public long serializedSize(GossipDigestAck2 ack2, int version)
      {
          long size = TypeSizes.sizeof(ack2.epStateMap.size());
          for (Map.Entry<InetAddressAndPort, EndpointState> entry : ack2.epStateMap.entrySet())
              size += inetAddressAndPortSerializer.serializedSize(entry.getKey(), version)
                      + EndpointState.serializer.serializedSize(entry.getValue(), version);
          return size;
      }
  }
  
  