| /* |
| * Copyright 2018-present Open Networking Foundation |
| * |
| * 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.opencord.olttopology.impl; |
| |
| import org.apache.commons.lang.ArrayUtils; |
| import org.onlab.packet.BasePacket; |
| import org.onlab.packet.Ethernet; |
| import org.onlab.packet.EthType; |
| import org.onlab.packet.Ip4Address; |
| import org.onlab.packet.LLDP; |
| import org.onlab.packet.LLDPTLV; |
| import org.onlab.packet.MacAddress; |
| |
| |
| import org.onosproject.net.ConnectPoint; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.flow.criteria.Criterion; |
| import org.onosproject.net.flow.criteria.EthTypeCriterion; |
| import org.onosproject.net.flowobjective.FilteringObjective; |
| import org.onosproject.net.flowobjective.FlowObjectiveServiceAdapter; |
| import org.onosproject.net.packet.DefaultInboundPacket; |
| import org.onosproject.net.packet.InboundPacket; |
| import org.onosproject.net.packet.OutboundPacket; |
| import org.onosproject.net.packet.DefaultPacketContext; |
| import org.onosproject.net.packet.PacketContext; |
| import org.onosproject.net.packet.PacketProcessor; |
| import org.onosproject.net.packet.PacketServiceAdapter; |
| |
| import static org.hamcrest.Matchers.is; |
| import static org.hamcrest.Matchers.instanceOf; |
| import static org.hamcrest.Matchers.notNullValue; |
| |
| import org.opencord.olttopology.OltNeighborInfo; |
| import org.slf4j.Logger; |
| |
| import static org.junit.Assert.assertThat; |
| |
| import java.nio.ByteBuffer; |
| import java.util.Collection; |
| import java.util.LinkedList; |
| import java.util.List; |
| import java.util.Map; |
| |
| import static org.junit.Assert.fail; |
| |
| |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| /* |
| Olt topology test base class. |
| */ |
| public class OltTopologyTestBase { |
| private final Logger log = getLogger(getClass()); |
| |
| //Time in ms to wait before checking packets |
| static final int ASSERTION_DELAY = 250; |
| //Duration in ms of the assertion for packets |
| static final int ASSERTION_LENGTH = 250; |
| |
| private static final String EXPECTED_IP = "10.10.10.10"; |
| private static final String EXPECTED_OLT_DEV_ID = "of:0000c6b1cd40dc93"; |
| private static final DeviceId EXPECTED_DEVICE_ID_1 = DeviceId.deviceId(EXPECTED_OLT_DEV_ID); |
| |
| |
| |
| List<BasePacket> savedPackets = new LinkedList<>(); |
| PacketProcessor packetProcessor; |
| MacAddress srcMac = MacAddress.valueOf("c6:b1:cd:40:dc:93"); |
| MacAddress dstMac = MacAddress.valueOf(OsgiPropertyConstants.DEFAULT_DEST_MAC_ADDRESS_DEFAULT); |
| |
| |
| /** |
| * Saves the given packet onto the saved packets list. |
| * |
| * @param packet packet to save |
| */ |
| void savePacket(BasePacket packet) { |
| savedPackets.add(packet); |
| } |
| |
| /** |
| * Sends packet to Packer process to test Handle packet functionality. |
| * @param packet LLDP ethernet packet |
| * @param cp Device connect point info |
| */ |
| void sendInboundPacket(Ethernet packet, ConnectPoint cp) { |
| final ByteBuffer byteBuffer = ByteBuffer.wrap(packet.serialize()); |
| InboundPacket inPacket = new DefaultInboundPacket(cp, packet, byteBuffer); |
| PacketContext context = new TestPacketContext(127L, inPacket, null, false); |
| packetProcessor.process(context); |
| } |
| |
| /** |
| * Validates LLDP packet out functionality. |
| * @param responsePacket LLDP packet |
| */ |
| void checkLldpPacket(Ethernet responsePacket) { |
| assertThat(responsePacket.getSourceMAC(), is(srcMac)); |
| assertThat(responsePacket.getDestinationMAC(), is(dstMac)); |
| assertThat(responsePacket.getPayload(), instanceOf(LLDP.class)); |
| assertThat(responsePacket.getEtherType(), is(Ethernet.TYPE_LLDP)); |
| LLDP lldp = (LLDP) responsePacket.getPayload(); |
| assertThat(lldp, notNullValue()); |
| assertThat(lldp.getPortId(), notNullValue()); |
| String portName = "nni-"; |
| byte[] port = ArrayUtils.addAll(new byte[] {5}, portName.getBytes()); |
| assertThat(lldp.getPortId().getValue(), is(port)); |
| assertThat(lldp.getChassisId(), notNullValue()); |
| int chassisId = 0; |
| byte[] chassis = ArrayUtils.addAll(new byte[] {1}, |
| ByteBuffer.allocate(String.valueOf(chassisId).length()) |
| .put(String.valueOf(chassisId).getBytes()).array()); |
| assertThat(lldp.getChassisId().getValue(), is(chassis)); |
| assertThat(lldp.getTtl().getValue(), notNullValue()); |
| short ttl = 120; |
| byte[] time = ByteBuffer.allocate(2).putShort(ttl).array(); |
| assertThat(lldp.getTtl().getValue(), is(time)); |
| assertThat(lldp.getOptionalTLVList(), notNullValue()); |
| List<LLDPTLV> optionalTlvs = lldp.getOptionalTLVList(); |
| for (LLDPTLV tlv: optionalTlvs) { |
| if (tlv.getType() == OltTopology.SYSTEMNAME_TLV_TYPE) { |
| assertThat(tlv.getValue(), notNullValue()); |
| String[] systemName = EXPECTED_DEVICE_ID_1.toString().split(":", 2); |
| byte[] deviceId = systemName[1].getBytes(); |
| assertThat(tlv.getValue(), is(deviceId)); |
| } else if (tlv.getType() == OltTopology.MANAGEMENT_ADDR_TLV_TYPE) { |
| assertThat(tlv.getValue(), notNullValue()); |
| final byte ipAddressSubType = 0x1; // IPv4 |
| // 5 below is address subtype + IP4 address len |
| final byte ipAddrStrLen = 0x5; |
| final byte interfaceSubtype = 0x1; |
| final int interfaceNum = 0; |
| final byte oidString = 0x0; |
| Ip4Address ipAddr = Ip4Address.valueOf(EXPECTED_IP); |
| |
| byte[] addrStr = ArrayUtils.addAll(new byte[] {ipAddressSubType}, |
| ipAddr.toOctets()); |
| |
| byte[] ipAddrBytes = ArrayUtils.addAll(new byte[] {ipAddrStrLen}, |
| addrStr); |
| byte[] bytesInterfacetype = ArrayUtils.addAll(ipAddrBytes, |
| ByteBuffer.allocate(1).put(interfaceSubtype).array()); |
| byte[] bytesInterfaceNumber = ArrayUtils.addAll(bytesInterfacetype, |
| ByteBuffer.allocate(4).putInt(interfaceNum).array()); |
| byte[] finalMgmtAddrBytes = ArrayUtils.addAll(bytesInterfaceNumber, |
| ByteBuffer.allocate(1).put(oidString).array()); |
| assertThat(tlv.getValue(), is(finalMgmtAddrBytes)); |
| |
| } |
| } |
| } |
| |
| /** |
| * Validates Neightbour list table. |
| * @param neighborList Neighbour list table created using inbound LLDP packets. |
| */ |
| void validateNeighborList(Map<ConnectPoint, OltNeighborInfo> neighborList) { |
| assertThat(neighborList, notNullValue()); |
| assertThat(neighborList.size(), is(1)); |
| for (Map.Entry<ConnectPoint, OltNeighborInfo> entry: neighborList.entrySet()) { |
| assertThat(entry.getValue().mgmtAddr(), is("192.168.1.1")); |
| assertThat(entry.getValue().neighborName(), is("switch-1")); |
| assertThat(entry.getValue().neighborPort(), is("p0")); |
| assertThat(entry.getValue().oltName(), is("0000c6b1cd40dc93")); |
| assertThat(entry.getValue().oltPort().annotations().value("portName"), is("nni-")); |
| } |
| } |
| /** |
| * Keeps a reference to the PacketProcessor and saves the OutboundPackets. |
| */ |
| class MockPacketService extends PacketServiceAdapter { |
| |
| @Override |
| public void addProcessor(PacketProcessor processor, int priority) { |
| packetProcessor = processor; |
| } |
| |
| @Override |
| public void emit(OutboundPacket packet) { |
| try { |
| Ethernet eth = Ethernet.deserializer().deserialize(packet.data().array(), |
| 0, packet.data().array().length); |
| savePacket(eth); |
| } catch (Exception e) { |
| fail(e.getMessage()); |
| } |
| } |
| } |
| /** |
| * Mock Flow Objective Service. |
| */ |
| public static class MockFlowObjectiveService extends FlowObjectiveServiceAdapter { |
| |
| @Override |
| public void filter(DeviceId deviceId, FilteringObjective filter) { |
| assertThat(deviceId, notNullValue()); |
| assertThat(filter, notNullValue()); |
| EthTypeCriterion ethType = (EthTypeCriterion) |
| filterForCriterion(filter.conditions(), Criterion.Type.ETH_TYPE); |
| assertThat(ethType, notNullValue()); |
| assertThat(ethType.ethType(), is(EthType.EtherType.LLDP.ethType())); |
| assertThat(filter.key().type(), is(Criterion.Type.IN_PORT)); |
| |
| } |
| private Criterion filterForCriterion(Collection<Criterion> criteria, Criterion.Type type) { |
| return criteria.stream() |
| .filter(c -> c.type().equals(type)) |
| .limit(1) |
| .findFirst().orElse(null); |
| } |
| |
| } |
| /** |
| * Mocks the DefaultPacketContext. |
| */ |
| static final class TestPacketContext extends DefaultPacketContext { |
| |
| private TestPacketContext(long time, InboundPacket inPkt, |
| OutboundPacket outPkt, boolean block) { |
| super(time, inPkt, outPkt, block); |
| } |
| |
| @Override |
| public void send() { |
| // We don't send anything out. |
| } |
| } |
| } |