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.net;
  
  import java.nio.ByteBuffer;
  import java.util.Arrays;
  import java.util.Iterator;
  import java.util.List;
  
  import com.google.common.collect.ImmutableList;
  import org.junit.Test;
  
  import org.apache.cassandra.io.util.DataInputBuffer;
  import org.apache.cassandra.io.util.DataOutputBuffer;
  import org.apache.cassandra.locator.InetAddressAndPort;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertTrue;
  
  public class ForwardingInfoTest
  {
  
      @Test
      public void testSupportedVersions() throws Exception
      {
          for (MessagingService.Version version : MessagingService.Version.supportedVersions())
              testVersion(version.value);
      }
  
      private void testVersion(int version) throws Exception
      {
          InetAddressAndPort.initializeDefaultPort(65532);
          List<InetAddressAndPort> addresses = ImmutableList.of(InetAddressAndPort.getByNameOverrideDefaults("127.0.0.1", 42),
                                                                InetAddressAndPort.getByName("127.0.0.1"),
                                                                InetAddressAndPort.getByName("127.0.0.1:7000"),
                                                                InetAddressAndPort.getByNameOverrideDefaults("2001:0db8:0000:0000:0000:ff00:0042:8329", 42),
                                                                InetAddressAndPort.getByName("2001:0db8:0000:0000:0000:ff00:0042:8329"),
                                                                InetAddressAndPort.getByName("[2001:0db8:0000:0000:0000:ff00:0042:8329]:7000"));
  
          ForwardingInfo ftc = new ForwardingInfo(addresses, new long[] { 44, 45, 46, 47, 48, 49 });
          ByteBuffer buffer;
          try (DataOutputBuffer dob = new DataOutputBuffer())
          {
              ForwardingInfo.serializer.serialize(ftc, dob, version);
              buffer = dob.buffer();
          }
  
          assertEquals(buffer.remaining(), ForwardingInfo.serializer.serializedSize(ftc, version));
  
          ForwardingInfo deserialized;
          try (DataInputBuffer dib = new DataInputBuffer(buffer, false))
          {
              deserialized = ForwardingInfo.serializer.deserialize(dib, version);
          }
  
          assertTrue(Arrays.equals(ftc.messageIds, deserialized.messageIds));
  
          Iterator<InetAddressAndPort> iterator = deserialized.targets.iterator();
          if (version >= MessagingService.VERSION_40)
          {
              for (int ii = 0; ii < addresses.size(); ii++)
              {
                  InetAddressAndPort original = addresses.get(ii);
                  InetAddressAndPort roundtripped = iterator.next();
                  assertEquals(original, roundtripped);
              }
          }
          else
          {
              for (int ii = 0; ii < addresses.size(); ii++)
              {
                  InetAddressAndPort original = addresses.get(ii);
                  InetAddressAndPort roundtripped = iterator.next();
                  assertEquals(original.getAddress(), roundtripped.getAddress());
                  //3.0 can't send port numbers so you get the defaults
                  assertEquals(65532, roundtripped.getPort());
              }
          }
      }
  }
  