| /* |
| * Copyright 2016 Open Networking Laboratory |
| * |
| * Licensed 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.onosproject.ospf.protocol.util; |
| |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.onlab.packet.Ip4Address; |
| import org.onosproject.ospf.protocol.lsa.LsaHeader; |
| import org.onosproject.ospf.protocol.lsa.OpaqueLsaHeader; |
| import org.onosproject.ospf.protocol.lsa.types.AsbrSummaryLsa; |
| import org.onosproject.ospf.protocol.lsa.types.ExternalLsa; |
| import org.onosproject.ospf.protocol.lsa.types.NetworkLsa; |
| import org.onosproject.ospf.protocol.lsa.types.OpaqueLsa10; |
| import org.onosproject.ospf.protocol.lsa.types.OpaqueLsa11; |
| import org.onosproject.ospf.protocol.lsa.types.OpaqueLsa9; |
| import org.onosproject.ospf.protocol.lsa.types.RouterLsa; |
| import org.onosproject.ospf.protocol.lsa.types.SummaryLsa; |
| import org.onosproject.ospf.protocol.ospfpacket.types.DdPacket; |
| import org.onosproject.ospf.protocol.ospfpacket.types.HelloPacket; |
| import org.onosproject.ospf.protocol.ospfpacket.types.LsAcknowledge; |
| import org.onosproject.ospf.protocol.ospfpacket.types.LsRequest; |
| import org.onosproject.ospf.protocol.ospfpacket.types.LsUpdate; |
| |
| import static org.hamcrest.CoreMatchers.is; |
| import static org.hamcrest.CoreMatchers.notNullValue; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| |
| /** |
| * Unit test class for ChecksumCalculator. |
| */ |
| public class ChecksumCalculatorTest { |
| |
| private final int ospfChecksumPos1 = 12; |
| private final int ospfChecksumPos2 = 13; |
| private final int lsaChecksumPos1 = 16; |
| private final int lsaChecksumPos2 = 17; |
| private final byte[] updatePacket = {1, 1, 1, 1, 2, 4, 0, -96, 9, 9, 9, 9, 5, 5, 5, 5, 62, 125, |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 100, 2, 10, 1, 0, 0, 1, 9, 9, 9, 9, -128, |
| 0, 0, 1, -7, 62, 0, -124, 0, 2, 0, 108, 0, 1, 0, 1, 2, 0, 0, 0, 0, 2, 0, 4, -64, -88, |
| 7, -91, 0, 3, 0, 4, -64, -88, 7, -91, 0, 4, 0, 4, 0, 0, 0, 0, 0, 5, 0, 4, 0, 0, 0, 1, |
| 0, 6, 0, 4, 0, 0, 0, 0, 0, 7, 0, 4, 0, 0, 0, 0, 0, 8, 0, 32, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, |
| 0, 4, 0, 0, 0, 0, -128, 2, 0, 4, 0, 0, 0, 1}; |
| |
| private final byte[] helloPacket = {2, 1, 0, 44, -64, -88, -86, 8, 0, 0, 0, 1, 39, 59, |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1, -1, -1, 0, 0, 10, 2, 1, 0, 0, 0, 40, -64, -88, |
| -86, 8, 0, 0, 0, 0}; |
| private final byte[] rlsa = {14, 16, 2, 1, -64, -88, -86, 2, -64, -88, -86, 2, -128, 0, |
| 0, 1, 74, -114, 0, 48, 2, 0, 0, 2, -64, -88, -86, 0, -1, -1, -1, 0, 3, 0, 0, 10, |
| -64, -88, -86, 0, -1, -1, -1, 0, 3, 0, 0, 10}; |
| private ChecksumCalculator checksumCalculator; |
| private boolean validate; |
| private HelloPacket hello; |
| private LsUpdate message; |
| private DdPacket message1; |
| private LsRequest message2; |
| private RouterLsa router; |
| private LsAcknowledge lsack; |
| private ExternalLsa external; |
| private NetworkLsa external1; |
| private SummaryLsa external2; |
| private AsbrSummaryLsa external3; |
| private OpaqueLsa9 external4; |
| private OpaqueLsa10 external5; |
| private OpaqueLsa11 external6; |
| private byte[] result; |
| |
| @Before |
| public void setUp() throws Exception { |
| checksumCalculator = new ChecksumCalculator(); |
| } |
| |
| @After |
| public void tearDown() throws Exception { |
| checksumCalculator = null; |
| hello = null; |
| message = null; |
| message1 = null; |
| message2 = null; |
| router = null; |
| lsack = null; |
| external = null; |
| external1 = null; |
| external2 = null; |
| external3 = null; |
| result = null; |
| } |
| |
| /** |
| * Tests convertToSixteenBits() method. |
| */ |
| @Test |
| public void testConvertToSixteenBits() throws Exception { |
| int num = checksumCalculator.convertToSixteenBits("16cdd"); |
| assertThat(num, is(27870)); |
| } |
| |
| /** |
| * Tests isValidOspfCheckSum() method. |
| */ |
| @Test |
| public void testIsValidOspfCheckSum() throws Exception { |
| hello = new HelloPacket(); |
| hello.setOspfVer(2); |
| hello.setOspftype(1); |
| hello.setOspfPacLength(172); |
| hello.setRouterId(Ip4Address.valueOf("192.168.170.3")); |
| hello.setAreaId(Ip4Address.valueOf("0.0.0.1")); |
| hello.setChecksum(5537); |
| hello.setAuthType(0); |
| hello.setAuthentication(0); |
| validate = checksumCalculator.isValidOspfCheckSum(hello, ospfChecksumPos1, ospfChecksumPos2); |
| assertThat(validate, is(false)); |
| lsack = new LsAcknowledge(); |
| lsack.setOspfVer(2); |
| lsack.setOspftype(5); |
| lsack.setOspfPacLength(172); |
| lsack.setRouterId(Ip4Address.valueOf("192.168.170.3")); |
| lsack.setAreaId(Ip4Address.valueOf("0.0.0.1")); |
| lsack.setChecksum(37537); |
| lsack.setAuthType(0); |
| lsack.setAuthentication(0); |
| validate = checksumCalculator.isValidOspfCheckSum(lsack, ospfChecksumPos1, ospfChecksumPos2); |
| assertThat(validate, is(true)); |
| message = new LsUpdate(); |
| message.setOspfVer(2); |
| message.setOspftype(5); |
| message.setOspfPacLength(172); |
| message.setRouterId(Ip4Address.valueOf("192.168.170.3")); |
| message.setAreaId(Ip4Address.valueOf("0.0.0.1")); |
| message.setChecksum(37537); |
| message.setAuthType(0); |
| message.setAuthentication(0); |
| validate = checksumCalculator.isValidOspfCheckSum(message, ospfChecksumPos1, ospfChecksumPos2); |
| assertThat(validate, is(true)); |
| message1 = new DdPacket(); |
| message1.setOspfVer(2); |
| message1.setOspftype(5); |
| message1.setOspfPacLength(172); |
| message1.setRouterId(Ip4Address.valueOf("192.168.170.3")); |
| message1.setAreaId(Ip4Address.valueOf("0.0.0.1")); |
| message1.setChecksum(37537); |
| message1.setAuthType(0); |
| message1.setAuthentication(0); |
| validate = checksumCalculator.isValidOspfCheckSum(message1, ospfChecksumPos1, ospfChecksumPos2); |
| assertThat(validate, is(true)); |
| message2 = new LsRequest(); |
| message2.setOspfVer(2); |
| message2.setOspftype(5); |
| message2.setOspfPacLength(172); |
| message2.setRouterId(Ip4Address.valueOf("192.168.170.3")); |
| message2.setAreaId(Ip4Address.valueOf("0.0.0.1")); |
| message2.setChecksum(37537); |
| message2.setAuthType(0); |
| message2.setAuthentication(0); |
| validate = checksumCalculator.isValidOspfCheckSum(message2, ospfChecksumPos1, ospfChecksumPos2); |
| assertThat(validate, is(true)); |
| } |
| |
| /** |
| * Tests isValidLsaCheckSum() method. |
| */ |
| @Test |
| public void testIsValidLsaCheckSum() throws Exception { |
| router = new RouterLsa(); |
| router.setAge(1); |
| router.setOptions(2); |
| router.setLsType(1); |
| router.setLinkStateId("192.168.170.3"); |
| router.setAdvertisingRouter(Ip4Address.valueOf("192.168.170.3")); |
| router.setLsSequenceNo(2147483649L); |
| router.setLsCheckSum(49499); |
| router.setLsPacketLen(48); |
| validate = checksumCalculator.isValidLsaCheckSum(router, router.lsType(), lsaChecksumPos1, lsaChecksumPos2); |
| assertThat(validate, is(true)); |
| |
| } |
| |
| /** |
| * Tests isValidLsaCheckSum() method. |
| */ |
| @Test |
| public void testIsValidLsaCheckSum4() throws Exception { |
| external = new ExternalLsa(new LsaHeader()); |
| external.setAge(2); |
| external.setOptions(2); |
| external.setLsType(5); |
| external.setLinkStateId("80.212.16.0"); |
| external.setAdvertisingRouter(Ip4Address.valueOf("192.168.170.2")); |
| external.setLsSequenceNo(2147483649L); |
| external.setLsCheckSum(25125); |
| external.setLsPacketLen(36); |
| validate = checksumCalculator.isValidLsaCheckSum(external, external.lsType(), lsaChecksumPos1, lsaChecksumPos2); |
| assertThat(validate, is(false)); |
| } |
| |
| /** |
| * Tests isValidLsaCheckSum() method. |
| */ |
| @Test(expected = Exception.class) |
| public void testIsValidLsaCheckSum5() throws Exception { |
| external1 = new NetworkLsa(); |
| external1.setAge(2); |
| external1.setOptions(2); |
| external1.setLsType(2); |
| external1.setLinkStateId("80.212.16.0"); |
| external1.setAdvertisingRouter(Ip4Address.valueOf("192.168.170.2")); |
| external1.setLsSequenceNo(2147483649L); |
| external1.setLsCheckSum(25125); |
| external1.setLsPacketLen(36); |
| validate = checksumCalculator.isValidLsaCheckSum(external1, external1.lsType(), |
| lsaChecksumPos1, lsaChecksumPos2); |
| assertThat(validate, is(false)); |
| } |
| |
| /** |
| * Tests isValidLsaCheckSum() method. |
| */ |
| @Test |
| public void testIsValidLsaCheckSum6() throws Exception { |
| |
| external2 = new SummaryLsa(new LsaHeader()); |
| external2.setAge(2); |
| external2.setOptions(2); |
| external2.setLsType(3); |
| external2.setLinkStateId("80.212.16.0"); |
| external2.setAdvertisingRouter(Ip4Address.valueOf("192.168.170.2")); |
| external2.setLsSequenceNo(2147483649L); |
| external2.setLsCheckSum(25125); |
| external2.setLsPacketLen(36); |
| validate = checksumCalculator.isValidLsaCheckSum(external2, external2.lsType(), |
| lsaChecksumPos1, lsaChecksumPos2); |
| assertThat(validate, is(false)); |
| } |
| |
| /** |
| * Tests isValidLsaCheckSum() method. |
| */ |
| @Test(expected = Exception.class) |
| public void testIsValidLsaCheckSum7() throws Exception { |
| external3 = new AsbrSummaryLsa(new LsaHeader()); |
| external3.setAge(2); |
| external3.setOptions(2); |
| external3.setLsType(4); |
| external3.setLinkStateId("80.212.16.0"); |
| external3.setAdvertisingRouter(Ip4Address.valueOf("192.168.170.2")); |
| external3.setLsSequenceNo(2147483649L); |
| external3.setLsCheckSum(25125); |
| external3.setLsPacketLen(36); |
| validate = checksumCalculator.isValidLsaCheckSum(external3, external3.lsType(), |
| lsaChecksumPos1, lsaChecksumPos2); |
| assertThat(validate, is(false)); |
| } |
| |
| /** |
| * Tests isValidLsaCheckSum() method. |
| */ |
| @Test(expected = Exception.class) |
| public void testIsValidLsaCheckSum1() throws Exception { |
| external4 = new OpaqueLsa9(new OpaqueLsaHeader()); |
| external4.setAge(2); |
| external4.setOptions(2); |
| external4.setLsType(9); |
| external4.setLinkStateId("80.212.16.0"); |
| external4.setAdvertisingRouter(Ip4Address.valueOf("192.168.170.2")); |
| external4.setLsSequenceNo(2147483649L); |
| external4.setLsCheckSum(25125); |
| external4.setLsPacketLen(36); |
| validate = checksumCalculator.isValidLsaCheckSum(external4, external4.lsType(), |
| lsaChecksumPos1, lsaChecksumPos2); |
| assertThat(validate, is(false)); |
| } |
| |
| /** |
| * Tests isValidLsaCheckSum() method. |
| */ |
| @Test(expected = Exception.class) |
| public void testIsValidLsaCheckSum2() throws Exception { |
| external5 = new OpaqueLsa10(new OpaqueLsaHeader()); |
| external5.setAge(2); |
| external5.setOptions(2); |
| external5.setLsType(10); |
| external5.setLinkStateId("80.212.16.0"); |
| external5.setAdvertisingRouter(Ip4Address.valueOf("192.168.170.2")); |
| external5.setLsSequenceNo(2147483649L); |
| external5.setLsCheckSum(25125); |
| external5.setLsPacketLen(36); |
| validate = checksumCalculator.isValidLsaCheckSum(external5, external5.lsType(), |
| lsaChecksumPos1, lsaChecksumPos2); |
| |
| assertThat(validate, is(false)); |
| } |
| |
| /** |
| * Tests isValidLsaCheckSum() method. |
| */ |
| @Test(expected = Exception.class) |
| public void testIsValidLsaCheckSum3() throws Exception { |
| external6 = new OpaqueLsa11(new OpaqueLsaHeader()); |
| external6.setAge(2); |
| external6.setOptions(2); |
| external6.setLsType(10); |
| external6.setLinkStateId("80.212.16.0"); |
| external6.setAdvertisingRouter(Ip4Address.valueOf("192.168.170.2")); |
| external6.setLsSequenceNo(2147483649L); |
| external6.setLsCheckSum(25125); |
| external6.setLsPacketLen(36); |
| validate = checksumCalculator.isValidLsaCheckSum(external6, external6.lsType(), |
| lsaChecksumPos1, lsaChecksumPos2); |
| assertThat(validate, is(false)); |
| } |
| |
| /** |
| * Tests validateLsaCheckSum() method. |
| */ |
| @Test |
| public void testValidateLsaCheckSum() throws Exception { |
| assertThat(checksumCalculator.validateLsaCheckSum(rlsa, lsaChecksumPos1, |
| lsaChecksumPos2), is(true)); |
| |
| } |
| |
| /** |
| * Tests validateOspfCheckSum() method. |
| */ |
| @Test |
| public void testValidateOspfCheckSum() throws Exception { |
| assertThat(checksumCalculator.validateOspfCheckSum(helloPacket, ospfChecksumPos1, |
| ospfChecksumPos2), is(true)); |
| } |
| |
| /** |
| * Tests calculateLsaChecksum() method. |
| */ |
| @Test |
| public void testCalculateLsaChecksum() throws Exception { |
| result = checksumCalculator.calculateLsaChecksum(rlsa, lsaChecksumPos1, lsaChecksumPos2); |
| assertThat(result, is(notNullValue())); |
| } |
| |
| /** |
| * Tests calculateOspfCheckSum() method. |
| */ |
| @Test |
| public void testCalculateOspfCheckSum() throws Exception { |
| result = checksumCalculator.calculateOspfCheckSum(helloPacket, ospfChecksumPos1, |
| ospfChecksumPos2); |
| assertThat(result, is(notNullValue())); |
| result = checksumCalculator.calculateOspfCheckSum(updatePacket, ospfChecksumPos1, |
| ospfChecksumPos2); |
| assertThat(result, is(notNullValue())); |
| } |
| } |