/*
* Copyright 2015-present 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 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.bgp.controller.impl.BgpSelectionAlgo;
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 java.util.LinkedList;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.core.Is.is;
/**
* 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));
}
}