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/*
* 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.geode.distributed.internal.membership.gms;
import static org.assertj.core.api.Assertions.assertThat;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.DataInput;
import java.io.DataInputStream;
import java.io.DataOutput;
import java.io.DataOutputStream;
import java.net.InetAddress;
import org.jgroups.util.UUID;
import org.junit.Before;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.apache.geode.internal.inet.LocalHostUtil;
import org.apache.geode.internal.serialization.BufferDataOutputStream;
import org.apache.geode.internal.serialization.DSFIDSerializer;
import org.apache.geode.internal.serialization.DSFIDSerializerFactory;
import org.apache.geode.internal.serialization.DeserializationContext;
import org.apache.geode.internal.serialization.KnownVersion;
import org.apache.geode.internal.serialization.SerializationContext;
import org.apache.geode.internal.serialization.VersionedDataInputStream;
import org.apache.geode.test.junit.categories.SecurityTest;
@Category({SecurityTest.class})
public class GMSMemberDataJUnitTest {
private DSFIDSerializer dsfidSerializer;
@Before
public void setup() {
dsfidSerializer = new DSFIDSerializerFactory().create();
Services.registerSerializables(dsfidSerializer);
}
@Test
public void testEqualsNotSameType() {
GMSMemberData member = new GMSMemberData();
assertThat(member).isNotEqualTo("Not a GMSMemberData");
}
@Test
public void testEqualsIsSame() {
GMSMemberData member = new GMSMemberData();
assertThat(member).isEqualTo(member);
}
@Test
public void testCompareToIsSame() {
GMSMemberData member = new GMSMemberData();
UUID uuid = new UUID(0, 0);
member.setUUID(uuid);
assertThat(member.compareTo(member)).isZero();
}
private GMSMemberData createGMSMember(byte[] inetAddress, int viewId, long msb, long lsb) {
GMSMemberData member = new GMSMemberData();
InetAddress addr1 = mock(InetAddress.class);
when(addr1.getAddress()).thenReturn(inetAddress);
member.setInetAddr(addr1);
member.setVmViewId(viewId);
member.setUUID(new UUID(msb, lsb));
return member;
}
@Test
public void testCompareToInetAddressIsLongerThan() {
GMSMemberData member1 = createGMSMember(new byte[] {1, 1, 1, 1, 1}, 1, 1, 1);
GMSMemberData member2 = createGMSMember(new byte[] {1, 1, 1, 1}, 1, 1, 1);
assertThat(member1.compareTo(member2)).isGreaterThan(0);
}
@Test
public void testShallowMemberEquals() {
GMSMemberData member1 = createGMSMember(new byte[] {1, 1, 1, 1, 1}, 1, 1, 1);
GMSMemberData member2 =
new GMSMemberData(member1.getInetAddress(), member1.getMembershipPort(),
member1.getVersionOrdinal(),
member1.getUuidMostSignificantBits(), member1.getUuidLeastSignificantBits(),
member1.getVmViewId());
assertThat(member1.compareTo(member2)).isZero();
}
@Test
public void testShallowMemberNotEquals() {
GMSMemberData member1 = createGMSMember(new byte[] {1, 1, 1, 1, 1}, 1, 1, 1);
GMSMemberData member2 = new GMSMemberData(member1.getInetAddress(), member1.getMembershipPort(),
member1.getVersionOrdinal(), member1.getUuidMostSignificantBits(),
member1.getUuidLeastSignificantBits(), 100);
assertThat(member1).isNotEqualTo(member2);
}
@Test
public void testCompareToInetAddressIsShorterThan() {
GMSMemberData member1 = createGMSMember(new byte[] {1, 1, 1, 1}, 1, 1, 1);
GMSMemberData member2 = createGMSMember(new byte[] {1, 1, 1, 1, 1}, 1, 1, 1);
assertThat(member1.compareTo(member2)).isLessThan(0);
}
@Test
public void testCompareToInetAddressIsGreater() {
GMSMemberData member1 = createGMSMember(new byte[] {1, 2, 1, 1, 1}, 1, 1, 1);
GMSMemberData member2 = createGMSMember(new byte[] {1, 1, 1, 1, 1}, 1, 1, 1);
assertThat(member1.compareTo(member2)).isGreaterThan(0);
}
@Test
public void testCompareToInetAddressIsLessThan() {
GMSMemberData member1 = createGMSMember(new byte[] {1, 1, 1, 1, 1}, 1, 1, 1);
GMSMemberData member2 = createGMSMember(new byte[] {1, 2, 1, 1, 1}, 1, 1, 1);
assertThat(member1.compareTo(member2)).isLessThan(0);
}
@Test
public void testCompareToMyViewIdLarger() {
GMSMemberData member1 = createGMSMember(new byte[] {1}, 2, 1, 1);
GMSMemberData member2 = createGMSMember(new byte[] {1}, 1, 1, 1);
assertThat(member1.compareTo(member2)).isGreaterThan(0);
}
@Test
public void testCompareToTheirViewIdLarger() {
GMSMemberData member1 = createGMSMember(new byte[] {1}, 1, 1, 1);
GMSMemberData member2 = createGMSMember(new byte[] {1}, 2, 1, 1);
assertThat(member1.compareTo(member2)).isLessThan(0);
}
@Test
public void testCompareToMyMSBLarger() {
GMSMemberData member1 = createGMSMember(new byte[] {1}, 1, 2, 1);
GMSMemberData member2 = createGMSMember(new byte[] {1}, 1, 1, 1);
assertThat(member1.compareTo(member2)).isGreaterThan(0);
}
@Test
public void testCompareToTheirMSBLarger() {
GMSMemberData member1 = createGMSMember(new byte[] {1}, 1, 1, 1);
GMSMemberData member2 = createGMSMember(new byte[] {1}, 1, 2, 1);
assertThat(member1.compareTo(member2)).isLessThan(0);
}
@Test
public void testCompareToMyLSBLarger() {
GMSMemberData member1 = createGMSMember(new byte[] {1}, 1, 1, 2);
GMSMemberData member2 = createGMSMember(new byte[] {1}, 1, 1, 1);
assertThat(member1.compareTo(member2)).isGreaterThan(0);
}
@Test
public void testCompareToTheirLSBLarger() {
GMSMemberData member1 = createGMSMember(new byte[] {1}, 1, 1, 1);
GMSMemberData member2 = createGMSMember(new byte[] {1}, 1, 1, 2);
assertThat(member1.compareTo(member2)).isLessThan(0);
}
@Test
public void testGetUUIDReturnsNullWhenUUIDIs0() {
GMSMemberData member = new GMSMemberData();
UUID uuid = new UUID(0, 0);
member.setUUID(uuid);
assertThat(member.getUUID()).isNull();
}
@Test
public void testGetUUID() {
GMSMemberData member = new GMSMemberData();
UUID uuid = new UUID(1, 1);
member.setUUID(uuid);
assertThat(member.getUUID()).isNotNull();
}
/**
* <p>
* GEODE-2875 - adds vmKind to on-wire form of GMSMemberData.writeEssentialData
* </p>
* <p>
* This must be backward-compatible with Geode 1.0 (Version.GFE_90)
* </p>
*
*/
@Test
public void testGMSMemberBackwardCompatibility() throws Exception {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
GMSMemberData member = new GMSMemberData();
member.setInetAddr(LocalHostUtil.getLocalHost());
DataOutput dataOutput = new DataOutputStream(baos);
SerializationContext serializationContext = dsfidSerializer
.createSerializationContext(dataOutput);
member.writeEssentialData(dataOutput, serializationContext);
// vmKind should be transmitted to a member with the current version
ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
DataInput dataInput = new DataInputStream(bais);
DeserializationContext deserializationContext = dsfidSerializer
.createDeserializationContext(dataInput);
GMSMemberData newMember = new GMSMemberData();
newMember.readEssentialData(dataInput, deserializationContext);
assertThat(newMember.getVmKind()).isEqualTo(member.getVmKind());
assertThat(newMember.getInetAddress()).isNotNull();
assertThat(newMember.getInetAddress().getHostAddress()).isEqualTo(newMember.getHostName());
// vmKind should not be transmitted to a member with version GFE_90 or earlier
dataOutput = new BufferDataOutputStream(KnownVersion.GFE_90);
member.writeEssentialData(dataOutput, serializationContext);
bais = new ByteArrayInputStream(baos.toByteArray());
DataInputStream stream = new DataInputStream(bais);
deserializationContext = dsfidSerializer.createDeserializationContext(stream);
dataInput = new VersionedDataInputStream(stream, KnownVersion.GFE_90);
newMember = new GMSMemberData();
newMember.readEssentialData(dataInput, deserializationContext);
assertThat(newMember.getVmKind()).isZero();
}
}