| /* |
| * 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; |
| } |
| } |
| |