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Diffstat (limited to 'framework/src/onos/bgp/ctl/src/test/java/org/onosproject/controller/impl/BgpSelectionAlgoTest.java')
| -rw-r--r-- | framework/src/onos/bgp/ctl/src/test/java/org/onosproject/controller/impl/BgpSelectionAlgoTest.java | 595 |
1 files changed, 595 insertions, 0 deletions
diff --git a/framework/src/onos/bgp/ctl/src/test/java/org/onosproject/controller/impl/BgpSelectionAlgoTest.java b/framework/src/onos/bgp/ctl/src/test/java/org/onosproject/controller/impl/BgpSelectionAlgoTest.java new file mode 100644 index 00000000..7c0fa417 --- /dev/null +++ b/framework/src/onos/bgp/ctl/src/test/java/org/onosproject/controller/impl/BgpSelectionAlgoTest.java @@ -0,0 +1,595 @@ +/* + * Copyright 2014-2015 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.controller.impl; + +import static org.hamcrest.MatcherAssert.assertThat; +import static org.hamcrest.core.Is.is; + +import java.util.LinkedList; + +import org.jboss.netty.buffer.ChannelBuffer; +import org.jboss.netty.buffer.ChannelBuffers; +import org.junit.Test; +import org.onlab.packet.IpAddress; +import org.onlab.packet.IpAddress.Version; +import org.onosproject.bgpio.exceptions.BgpParseException; +import org.onosproject.bgpio.protocol.linkstate.BgpNodeLSNlriVer4.ProtocolType; +import org.onosproject.bgpio.protocol.linkstate.PathAttrNlriDetails; +import org.onosproject.bgpio.protocol.linkstate.PathAttrNlriDetailsLocalRib; +import org.onosproject.bgpio.types.AsPath; +import org.onosproject.bgpio.types.BgpValueType; +import org.onosproject.bgpio.types.LocalPref; +import org.onosproject.bgpio.types.Med; +import org.onosproject.bgpio.types.Origin; +import org.onosproject.bgp.controller.impl.BgpSelectionAlgo; + +/** + * Test cases for BGP Selection Algorithm. + */ +public class BgpSelectionAlgoTest { + + /** + * firstPathAttribute and secondPathAttribute has same AS count and firstPathAttribute + * has shortest Origin value than secondPathAttribute. + */ + @Test + public void selectionAlgoTest1() throws BgpParseException { + byte[] peerIp = new byte[] {0x0a, 0x0a, 0x0a, 0x0a }; + LinkedList<BgpValueType> pathAttributes1 = new LinkedList<>(); + BgpValueType pathAttribute1; + //origin with IGP + byte[] origin = new byte[] {0x40, 0x01, 0x01, 0x00 }; + ChannelBuffer buffer = ChannelBuffers.dynamicBuffer(); + buffer.writeBytes(origin); + pathAttribute1 = Origin.read(buffer); + pathAttributes1.add(pathAttribute1); + //AsPath with AS_SEQ with one AS + byte[] asPath = new byte[] {0x40, 0x02, 0x04, 0x02, 0x01, (byte) 0xfd, + (byte) 0xea }; + buffer.writeBytes(asPath); + pathAttribute1 = AsPath.read(buffer); + pathAttributes1.add(pathAttribute1); + + IpAddress ipAddress = IpAddress.valueOf(Version.INET, peerIp); + int bgpId = 168427777; + short locRIBASNum = 100; + boolean isIbgp = false; + PathAttrNlriDetails attrList1 = new PathAttrNlriDetails(); + attrList1.setIdentifier(0); + attrList1.setPathAttribute(pathAttributes1); + attrList1.setProtocolID(ProtocolType.ISIS_LEVEL_ONE); + PathAttrNlriDetailsLocalRib list1 = new PathAttrNlriDetailsLocalRib( + ipAddress, bgpId, locRIBASNum, isIbgp, attrList1); + + peerIp = new byte[] {0x0b, 0x0b, 0x0b, 0x0b }; + LinkedList<BgpValueType> pathAttributes2 = new LinkedList<>(); + BgpValueType pathAttribute2; + //origin with INCOMPLETE + origin = new byte[] {0x40, 0x01, 0x01, 0x02 }; + buffer = ChannelBuffers.dynamicBuffer(); + buffer.writeBytes(origin); + pathAttribute2 = Origin.read(buffer); + pathAttributes2.add(pathAttribute2); + //AsPath with AS_SEQ with one AS + asPath = new byte[] {0x40, 0x02, 0x04, 0x02, 0x01, (byte) 0xfd, + (byte) 0xe9 }; + buffer.writeBytes(asPath); + pathAttribute2 = AsPath.read(buffer); + pathAttributes2.add(pathAttribute2); + + ipAddress = IpAddress.valueOf(Version.INET, peerIp); + bgpId = 536936448; + locRIBASNum = 200; + isIbgp = true; + PathAttrNlriDetails attrList2 = new PathAttrNlriDetails(); + attrList2.setIdentifier(0); + attrList2.setPathAttribute(pathAttributes2); + attrList2.setProtocolID(ProtocolType.OSPF_V2); + PathAttrNlriDetailsLocalRib list2 = new PathAttrNlriDetailsLocalRib( + ipAddress, bgpId, locRIBASNum, isIbgp, attrList2); + BgpSelectionAlgo algo = new BgpSelectionAlgo(); + int result = algo.compare(list1, list2); + assertThat(result, is(1)); + } + + /** + * firstPathAttribute has 1 AS count and secondPathAttribute has 2 AS count + * and firstPathAttribute has shortest Origin value than secondPathAttribute. + */ + @Test + public void selectionAlgoTest2() throws BgpParseException { + + byte[] peerIp = new byte[] {0x0a, 0x0a, 0x0a, 0x0a }; + LinkedList<BgpValueType> pathAttributes1 = new LinkedList<>(); + BgpValueType pathAttribute1; + byte[] origin = new byte[] {0x40, 0x01, 0x01, 0x00 }; + ChannelBuffer buffer = ChannelBuffers.dynamicBuffer(); + buffer.writeBytes(origin); + pathAttribute1 = Origin.read(buffer); + pathAttributes1.add(pathAttribute1); + byte[] asPath = new byte[] {0x40, 0x02, 0x04, 0x02, 0x01, (byte) 0xfd, + (byte) 0xe9 }; + buffer.writeBytes(asPath); + pathAttribute1 = AsPath.read(buffer); + pathAttributes1.add(pathAttribute1); + + IpAddress ipAddress = IpAddress.valueOf(Version.INET, peerIp); + int bgpId = 168427777; + short locRIBASNum = 100; + boolean isIbgp = false; + PathAttrNlriDetails attrList1 = new PathAttrNlriDetails(); + attrList1.setIdentifier(0); + attrList1.setPathAttribute(pathAttributes1); + attrList1.setProtocolID(ProtocolType.ISIS_LEVEL_ONE); + PathAttrNlriDetailsLocalRib list1 = new PathAttrNlriDetailsLocalRib( + ipAddress, bgpId, locRIBASNum, isIbgp, attrList1); + + peerIp = new byte[] {0x0b, 0x0b, 0x0b, 0x0b }; + LinkedList<BgpValueType> pathAttributes2 = new LinkedList<>(); + BgpValueType pathAttribute2; + origin = new byte[] {0x40, 0x01, 0x01, 0x02 }; + buffer = ChannelBuffers.dynamicBuffer(); + buffer.writeBytes(origin); + pathAttribute2 = Origin.read(buffer); + pathAttributes2.add(pathAttribute2); + asPath = new byte[] {0x40, 0x02, 0x08, 0x02, 0x01, (byte) 0xfd, + (byte) 0xea, 0x02, 0x01, (byte) 0xfd, (byte) 0xea }; + buffer.writeBytes(asPath); + pathAttribute2 = AsPath.read(buffer); + pathAttributes2.add(pathAttribute2); + + ipAddress = IpAddress.valueOf(Version.INET, peerIp); + bgpId = 536936448; + locRIBASNum = 200; + isIbgp = true; + PathAttrNlriDetails attrList2 = new PathAttrNlriDetails(); + attrList2.setIdentifier(0); + attrList2.setPathAttribute(pathAttributes2); + attrList2.setProtocolID(ProtocolType.OSPF_V2); + PathAttrNlriDetailsLocalRib list2 = new PathAttrNlriDetailsLocalRib( + ipAddress, bgpId, locRIBASNum, isIbgp, attrList2); + BgpSelectionAlgo algo = new BgpSelectionAlgo(); + int result = algo.compare(list1, list2); + assertThat(result, is(-1)); + } + + /** + * firstPathAttribute and secondPathAttribute has same AS value + * and firstPathAttribute has shortest Origin value than secondPathAttribute. + */ + @Test + public void selectionAlgoTest3() throws BgpParseException { + + byte[] peerIp = new byte[] {0x0a, 0x0a, 0x0a, 0x0a }; + LinkedList<BgpValueType> pathAttributes1 = new LinkedList<>(); + BgpValueType pathAttribute1; + byte[] origin = new byte[] {0x40, 0x01, 0x01, 0x00 }; + ChannelBuffer buffer = ChannelBuffers.dynamicBuffer(); + buffer.writeBytes(origin); + pathAttribute1 = Origin.read(buffer); + pathAttributes1.add(pathAttribute1); + byte[] asPath = new byte[] {0x40, 0x02, 0x04, 0x02, 0x01, (byte) 0xfd, + (byte) 0xe9 }; + buffer.writeBytes(asPath); + pathAttribute1 = AsPath.read(buffer); + pathAttributes1.add(pathAttribute1); + + IpAddress ipAddress = IpAddress.valueOf(Version.INET, peerIp); + int bgpId = 168427777; + short locRIBASNum = 100; + boolean isIbgp = false; + PathAttrNlriDetails attrList1 = new PathAttrNlriDetails(); + attrList1.setIdentifier(0); + attrList1.setPathAttribute(pathAttributes1); + attrList1.setProtocolID(ProtocolType.ISIS_LEVEL_ONE); + PathAttrNlriDetailsLocalRib list1 = new PathAttrNlriDetailsLocalRib( + ipAddress, bgpId, locRIBASNum, isIbgp, attrList1); + + peerIp = new byte[] {0x0b, 0x0b, 0x0b, 0x0b }; + LinkedList<BgpValueType> pathAttributes2 = new LinkedList<>(); + BgpValueType pathAttribute2; + origin = new byte[] {0x40, 0x01, 0x01, 0x02 }; + buffer = ChannelBuffers.dynamicBuffer(); + buffer.writeBytes(origin); + pathAttribute2 = Origin.read(buffer); + pathAttributes2.add(pathAttribute2); + asPath = new byte[] {0x40, 0x02, 0x04, 0x02, 0x01, (byte) 0xfd, + (byte) 0xe9 }; + buffer.writeBytes(asPath); + pathAttribute2 = AsPath.read(buffer); + pathAttributes2.add(pathAttribute2); + + ipAddress = IpAddress.valueOf(Version.INET, peerIp); + bgpId = 536936448; + locRIBASNum = 200; + isIbgp = true; + PathAttrNlriDetails attrList2 = new PathAttrNlriDetails(); + attrList2.setIdentifier(0); + attrList2.setPathAttribute(pathAttributes2); + attrList2.setProtocolID(ProtocolType.OSPF_V2); + PathAttrNlriDetailsLocalRib list2 = new PathAttrNlriDetailsLocalRib( + ipAddress, bgpId, locRIBASNum, isIbgp, attrList2); + BgpSelectionAlgo algo = new BgpSelectionAlgo(); + int result = algo.compare(list1, list2); + assertThat(result, is(1)); + } + + /** + * firstPathAttribute has lowest med than secondPathAttribute. + */ + @Test + public void selectionAlgoTest4() throws BgpParseException { + + byte[] peerIp = new byte[] {0x0a, 0x0a, 0x0a, 0x0a }; + LinkedList<BgpValueType> pathAttributes1 = new LinkedList<>(); + BgpValueType pathAttribute1; + byte[] origin = new byte[] {0x40, 0x01, 0x01, 0x00 }; + ChannelBuffer buffer = ChannelBuffers.dynamicBuffer(); + buffer.writeBytes(origin); + pathAttribute1 = Origin.read(buffer); + pathAttributes1.add(pathAttribute1); + byte[] med = new byte[] {(byte) 0x80, 0x04, 0x04, 0x00, 0x00, 0x00, + 0x00 }; + buffer.writeBytes(med); + pathAttribute1 = Med.read(buffer); + pathAttributes1.add(pathAttribute1); + byte[] asPath = new byte[] {0x40, 0x02, 0x04, 0x02, 0x01, (byte) 0xfd, + (byte) 0xe9 }; + buffer.writeBytes(asPath); + pathAttribute1 = AsPath.read(buffer); + pathAttributes1.add(pathAttribute1); + + IpAddress ipAddress = IpAddress.valueOf(Version.INET, peerIp); + int bgpId = 168427777; + short locRIBASNum = 100; + boolean isIbgp = false; + PathAttrNlriDetails attrList1 = new PathAttrNlriDetails(); + attrList1.setIdentifier(0); + attrList1.setPathAttribute(pathAttributes1); + attrList1.setProtocolID(ProtocolType.ISIS_LEVEL_ONE); + PathAttrNlriDetailsLocalRib list1 = new PathAttrNlriDetailsLocalRib( + ipAddress, bgpId, locRIBASNum, isIbgp, attrList1); + + peerIp = new byte[] {0x0b, 0x0b, 0x0b, 0x0b }; + LinkedList<BgpValueType> pathAttributes2 = new LinkedList<>(); + BgpValueType pathAttribute2; + origin = new byte[] {0x40, 0x01, 0x01, 0x02 }; + buffer = ChannelBuffers.dynamicBuffer(); + buffer.writeBytes(origin); + pathAttribute2 = Origin.read(buffer); + pathAttributes2.add(pathAttribute2); + med = new byte[] {(byte) 0x80, 0x04, 0x04, 0x00, 0x00, 0x00, 0x01 }; + buffer.writeBytes(med); + pathAttribute2 = Med.read(buffer); + pathAttributes2.add(pathAttribute2); + asPath = new byte[] {0x40, 0x02, 0x04, 0x02, 0x01, (byte) 0xfd, + (byte) 0xe9 }; + buffer.writeBytes(asPath); + pathAttribute2 = AsPath.read(buffer); + pathAttributes2.add(pathAttribute2); + + ipAddress = IpAddress.valueOf(Version.INET, peerIp); + bgpId = 536936448; + locRIBASNum = 200; + isIbgp = true; + PathAttrNlriDetails attrList2 = new PathAttrNlriDetails(); + attrList2.setIdentifier(0); + attrList2.setPathAttribute(pathAttributes2); + attrList2.setProtocolID(ProtocolType.OSPF_V2); + PathAttrNlriDetailsLocalRib list2 = new PathAttrNlriDetailsLocalRib( + ipAddress, bgpId, locRIBASNum, isIbgp, attrList2); + BgpSelectionAlgo algo = new BgpSelectionAlgo(); + int result = algo.compare(list1, list2); + assertThat(result, is(1)); + } + + /** + * secondPathAttribute has higher local preference than firstPathAttribute. + */ + @Test + public void selectionAlgoTest5() throws BgpParseException { + + byte[] peerIp = new byte[] {0x0a, 0x0a, 0x0a, 0x0a }; + LinkedList<BgpValueType> pathAttributes1 = new LinkedList<>(); + BgpValueType pathAttribute1; + byte[] locPref = new byte[] {(byte) 0x00, 0x05, 0x04, 0x00, 0x00, + 0x00, 0x01 }; + ChannelBuffer buffer = ChannelBuffers.dynamicBuffer(); + buffer.writeBytes(locPref); + pathAttribute1 = LocalPref.read(buffer); + pathAttributes1.add(pathAttribute1); + + IpAddress ipAddress = IpAddress.valueOf(Version.INET, peerIp); + int bgpId = 168427777; + short locRIBASNum = 100; + boolean isIbgp = false; + PathAttrNlriDetails attrList1 = new PathAttrNlriDetails(); + attrList1.setIdentifier(0); + attrList1.setPathAttribute(pathAttributes1); + attrList1.setProtocolID(ProtocolType.ISIS_LEVEL_ONE); + PathAttrNlriDetailsLocalRib list1 = new PathAttrNlriDetailsLocalRib( + ipAddress, bgpId, locRIBASNum, isIbgp, attrList1); + + peerIp = new byte[] {0x0b, 0x0b, 0x0b, 0x0b }; + LinkedList<BgpValueType> pathAttributes2 = new LinkedList<>(); + BgpValueType pathAttribute2; + locPref = new byte[] {(byte) 0x00, 0x05, 0x04, 0x00, 0x00, 0x00, 0x0a }; + buffer = ChannelBuffers.dynamicBuffer(); + buffer.writeBytes(locPref); + pathAttribute2 = LocalPref.read(buffer); + pathAttributes2.add(pathAttribute2); + + ipAddress = IpAddress.valueOf(Version.INET, peerIp); + bgpId = 536936448; + locRIBASNum = 200; + isIbgp = true; + PathAttrNlriDetails attrList2 = new PathAttrNlriDetails(); + attrList2.setIdentifier(0); + attrList2.setPathAttribute(pathAttributes2); + attrList2.setProtocolID(ProtocolType.OSPF_V2); + PathAttrNlriDetailsLocalRib list2 = new PathAttrNlriDetailsLocalRib( + ipAddress, bgpId, locRIBASNum, isIbgp, attrList2); + BgpSelectionAlgo algo = new BgpSelectionAlgo(); + int result = algo.compare(list1, list2); + assertThat(result, is(-1)); + } + + /** + * secondPathAttribute is EBGP than firstPathAttribute is IBGP. + */ + @Test + public void selectionAlgoTest6() throws BgpParseException { + + byte[] peerIp = new byte[] {0x0a, 0x0a, 0x0a, 0x0a }; + LinkedList<BgpValueType> pathAttributes1 = new LinkedList<>(); + BgpValueType pathAttribute1; + byte[] origin = new byte[] {0x40, 0x01, 0x01, 0x00 }; + ChannelBuffer buffer = ChannelBuffers.dynamicBuffer(); + buffer.writeBytes(origin); + pathAttribute1 = Origin.read(buffer); + pathAttributes1.add(pathAttribute1); + byte[] asPath = new byte[] {0x40, 0x02, 0x04, 0x02, 0x01, (byte) 0xfd, + (byte) 0xe9 }; + buffer.writeBytes(asPath); + pathAttribute1 = AsPath.read(buffer); + pathAttributes1.add(pathAttribute1); + + IpAddress ipAddress = IpAddress.valueOf(Version.INET, peerIp); + int bgpId = 168427777; + short locRIBASNum = 100; + boolean isIbgp = true; + PathAttrNlriDetails attrList1 = new PathAttrNlriDetails(); + attrList1.setIdentifier(0); + attrList1.setPathAttribute(pathAttributes1); + attrList1.setProtocolID(ProtocolType.ISIS_LEVEL_ONE); + PathAttrNlriDetailsLocalRib list1 = new PathAttrNlriDetailsLocalRib( + ipAddress, bgpId, locRIBASNum, isIbgp, attrList1); + + peerIp = new byte[] {0x0b, 0x0b, 0x0b, 0x0b }; + LinkedList<BgpValueType> pathAttributes2 = new LinkedList<>(); + BgpValueType pathAttribute2; + origin = new byte[] {0x40, 0x01, 0x01, 0x00 }; + buffer = ChannelBuffers.dynamicBuffer(); + buffer.writeBytes(origin); + pathAttribute2 = Origin.read(buffer); + pathAttributes2.add(pathAttribute2); + asPath = new byte[] {0x40, 0x02, 0x04, 0x02, 0x01, (byte) 0xfd, + (byte) 0xe9 }; + buffer.writeBytes(asPath); + pathAttribute2 = AsPath.read(buffer); + pathAttributes2.add(pathAttribute2); + + ipAddress = IpAddress.valueOf(Version.INET, peerIp); + bgpId = 536936448; + locRIBASNum = 200; + isIbgp = false; + PathAttrNlriDetails attrList2 = new PathAttrNlriDetails(); + attrList2.setIdentifier(0); + attrList2.setPathAttribute(pathAttributes2); + attrList2.setProtocolID(ProtocolType.OSPF_V2); + PathAttrNlriDetailsLocalRib list2 = new PathAttrNlriDetailsLocalRib( + ipAddress, bgpId, locRIBASNum, false, attrList2); + BgpSelectionAlgo algo = new BgpSelectionAlgo(); + int result = algo.compare(list1, list2); + assertThat(result, is(-1)); + } + + /** + * firstPathAttribute has lower BGPID than secondPathAttribute. + */ + @Test + public void selectionAlgoTest7() throws BgpParseException { + + byte[] peerIp = new byte[] {0x0a, 0x0a, 0x0a, 0x0a }; + LinkedList<BgpValueType> pathAttributes1 = new LinkedList<>(); + BgpValueType pathAttribute1; + byte[] origin = new byte[] {0x40, 0x01, 0x01, 0x00 }; + ChannelBuffer buffer = ChannelBuffers.dynamicBuffer(); + buffer.writeBytes(origin); + pathAttribute1 = Origin.read(buffer); + pathAttributes1.add(pathAttribute1); + byte[] asPath = new byte[] {0x40, 0x02, 0x04, 0x02, 0x01, (byte) 0xfd, + (byte) 0xe9 }; + buffer.writeBytes(asPath); + pathAttribute1 = AsPath.read(buffer); + pathAttributes1.add(pathAttribute1); + + IpAddress ipAddress = IpAddress.valueOf(Version.INET, peerIp); + //A0A0A00 + Integer bgpId = 168430080; + short locRIBASNum = 100; + boolean isIbgp = false; + PathAttrNlriDetails attrList1 = new PathAttrNlriDetails(); + attrList1.setIdentifier(0); + attrList1.setPathAttribute(pathAttributes1); + attrList1.setProtocolID(ProtocolType.ISIS_LEVEL_ONE); + PathAttrNlriDetailsLocalRib list1 = new PathAttrNlriDetailsLocalRib( + ipAddress, bgpId, locRIBASNum, isIbgp, attrList1); + + peerIp = new byte[] {0x0b, 0x0b, 0x0b, 0x0b }; + LinkedList<BgpValueType> pathAttributes2 = new LinkedList<>(); + BgpValueType pathAttribute2; + origin = new byte[] {0x40, 0x01, 0x01, 0x00 }; + buffer = ChannelBuffers.dynamicBuffer(); + buffer.writeBytes(origin); + pathAttribute2 = Origin.read(buffer); + pathAttributes2.add(pathAttribute2); + asPath = new byte[] {0x40, 0x02, 0x04, 0x02, 0x01, (byte) 0xfd, + (byte) 0xe9 }; + buffer.writeBytes(asPath); + pathAttribute2 = AsPath.read(buffer); + pathAttributes2.add(pathAttribute2); + + ipAddress = IpAddress.valueOf(Version.INET, peerIp); + //B0A0A00 + bgpId = 185207296; + locRIBASNum = 200; + isIbgp = false; + PathAttrNlriDetails attrList2 = new PathAttrNlriDetails(); + attrList2.setIdentifier(0); + attrList2.setPathAttribute(pathAttributes2); + attrList2.setProtocolID(ProtocolType.OSPF_V2); + PathAttrNlriDetailsLocalRib list2 = new PathAttrNlriDetailsLocalRib( + ipAddress, bgpId, locRIBASNum, isIbgp, attrList2); + BgpSelectionAlgo algo = new BgpSelectionAlgo(); + int result = algo.compare(list1, list2); + assertThat(result, is(1)); + } + + /** + * secondPathAttribute has lowest peer address than firstPathAttribute. + */ + @Test + public void selectionAlgoTest8() throws BgpParseException { + + byte[] peerIp = new byte[] {0x0b, 0x0b, 0x0b, 0x0b }; + LinkedList<BgpValueType> pathAttributes1 = new LinkedList<>(); + BgpValueType pathAttribute1; + byte[] origin = new byte[] {0x40, 0x01, 0x01, 0x00 }; + ChannelBuffer buffer = ChannelBuffers.dynamicBuffer(); + buffer.writeBytes(origin); + pathAttribute1 = Origin.read(buffer); + pathAttributes1.add(pathAttribute1); + byte[] asPath = new byte[] {0x40, 0x02, 0x04, 0x02, 0x01, (byte) 0xfd, + (byte) 0xe9 }; + buffer.writeBytes(asPath); + pathAttribute1 = AsPath.read(buffer); + pathAttributes1.add(pathAttribute1); + + IpAddress ipAddress = IpAddress.valueOf(Version.INET, peerIp); + //A0A0A00 + Integer bgpId = 168430080; + short locRIBASNum = 100; + boolean isIbgp = false; + PathAttrNlriDetails attrList1 = new PathAttrNlriDetails(); + attrList1.setIdentifier(0); + attrList1.setPathAttribute(pathAttributes1); + attrList1.setProtocolID(ProtocolType.ISIS_LEVEL_ONE); + PathAttrNlriDetailsLocalRib list1 = new PathAttrNlriDetailsLocalRib( + ipAddress, bgpId, locRIBASNum, isIbgp, attrList1); + + peerIp = new byte[] {0x0a, 0x0a, 0x0a, 0x0a }; + LinkedList<BgpValueType> pathAttributes2 = new LinkedList<>(); + BgpValueType pathAttribute2; + origin = new byte[] {0x40, 0x01, 0x01, 0x00 }; + buffer = ChannelBuffers.dynamicBuffer(); + buffer.writeBytes(origin); + pathAttribute2 = Origin.read(buffer); + pathAttributes2.add(pathAttribute2); + asPath = new byte[] {0x40, 0x02, 0x04, 0x02, 0x01, (byte) 0xfd, + (byte) 0xe9 }; + buffer.writeBytes(asPath); + pathAttribute2 = AsPath.read(buffer); + pathAttributes2.add(pathAttribute2); + + ipAddress = IpAddress.valueOf(Version.INET, peerIp); + //A0A0A00 + bgpId = 168430080; + locRIBASNum = 200; + isIbgp = false; + PathAttrNlriDetails attrList2 = new PathAttrNlriDetails(); + attrList2.setIdentifier(0); + attrList2.setPathAttribute(pathAttributes2); + attrList2.setProtocolID(ProtocolType.OSPF_V2); + PathAttrNlriDetailsLocalRib list2 = new PathAttrNlriDetailsLocalRib( + ipAddress, bgpId, locRIBASNum, isIbgp, attrList2); + BgpSelectionAlgo algo = new BgpSelectionAlgo(); + int result = algo.compare(list1, list2); + assertThat(result, is(-1)); + } + + /** + * firstPathAttribute and secondPathAttribute are same. + */ + @Test + public void selectionAlgoTest9() throws BgpParseException { + + byte[] peerIp = new byte[] {0x0a, 0x0a, 0x0a, 0x0a }; + LinkedList<BgpValueType> pathAttributes1 = new LinkedList<>(); + BgpValueType pathAttribute1; + byte[] origin = new byte[] {0x40, 0x01, 0x01, 0x00 }; + ChannelBuffer buffer = ChannelBuffers.dynamicBuffer(); + buffer.writeBytes(origin); + pathAttribute1 = Origin.read(buffer); + pathAttributes1.add(pathAttribute1); + byte[] asPath = new byte[] {0x40, 0x02, 0x04, 0x02, 0x01, (byte) 0xfd, + (byte) 0xe9 }; + buffer.writeBytes(asPath); + pathAttribute1 = AsPath.read(buffer); + pathAttributes1.add(pathAttribute1); + + IpAddress ipAddress = IpAddress.valueOf(Version.INET, peerIp); + //A0A0A00 + Integer bgpId = 168430080; + short locRIBASNum = 100; + boolean isIbgp = false; + PathAttrNlriDetails attrList1 = new PathAttrNlriDetails(); + attrList1.setIdentifier(0); + attrList1.setPathAttribute(pathAttributes1); + attrList1.setProtocolID(ProtocolType.ISIS_LEVEL_ONE); + PathAttrNlriDetailsLocalRib list1 = new PathAttrNlriDetailsLocalRib( + ipAddress, bgpId, locRIBASNum, isIbgp, attrList1); + + peerIp = new byte[] {0x0a, 0x0a, 0x0a, 0x0a }; + LinkedList<BgpValueType> pathAttributes2 = new LinkedList<>(); + BgpValueType pathAttribute2; + origin = new byte[] {0x40, 0x01, 0x01, 0x00 }; + buffer = ChannelBuffers.dynamicBuffer(); + buffer.writeBytes(origin); + pathAttribute2 = Origin.read(buffer); + pathAttributes2.add(pathAttribute2); + asPath = new byte[] {0x40, 0x02, 0x04, 0x02, 0x01, (byte) 0xfd, + (byte) 0xe9 }; + buffer.writeBytes(asPath); + pathAttribute2 = AsPath.read(buffer); + pathAttributes2.add(pathAttribute2); + + ipAddress = IpAddress.valueOf(Version.INET, peerIp); + //A0A0A00 + bgpId = 168430080; + locRIBASNum = 200; + isIbgp = false; + PathAttrNlriDetails attrList2 = new PathAttrNlriDetails(); + attrList2.setIdentifier(0); + attrList2.setPathAttribute(pathAttributes2); + attrList2.setProtocolID(ProtocolType.OSPF_V2); + PathAttrNlriDetailsLocalRib list2 = new PathAttrNlriDetailsLocalRib( + ipAddress, bgpId, locRIBASNum, isIbgp, attrList2); + BgpSelectionAlgo algo = new BgpSelectionAlgo(); + int result = algo.compare(list1, list2); + assertThat(result, is(0)); + } +} |