| /* |
| * Copyright 2017-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.onosproject.dhcprelay; |
| |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.collect.ImmutableSet; |
| import com.google.common.collect.Lists; |
| import com.google.common.collect.Maps; |
| import com.google.common.collect.Sets; |
| import org.easymock.EasyMock; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.onlab.packet.ARP; |
| import org.onlab.packet.DHCP; |
| import org.onlab.packet.Ethernet; |
| import org.onlab.packet.IPv4; |
| import org.onlab.packet.Ip4Address; |
| import org.onlab.packet.IpAddress; |
| import org.onlab.packet.MacAddress; |
| import org.onlab.packet.UDP; |
| import org.onlab.packet.VlanId; |
| import org.onlab.packet.dhcp.CircuitId; |
| import org.onlab.packet.dhcp.DhcpOption; |
| import org.onlab.packet.dhcp.DhcpRelayAgentOption; |
| import org.onosproject.TestApplicationId; |
| import org.onosproject.cfg.ComponentConfigService; |
| import org.onosproject.core.ApplicationId; |
| import org.onosproject.core.CoreService; |
| import org.onosproject.dhcprelay.store.DhcpRecord; |
| import org.onosproject.dhcprelay.store.DhcpRelayStore; |
| import org.onosproject.dhcprelay.store.DhcpRelayStoreEvent; |
| import org.onosproject.incubator.net.intf.Interface; |
| import org.onosproject.incubator.net.intf.InterfaceServiceAdapter; |
| import org.onosproject.incubator.net.routing.Route; |
| import org.onosproject.incubator.net.routing.RouteStoreAdapter; |
| import org.onosproject.net.ConnectPoint; |
| import org.onosproject.net.DefaultHost; |
| import org.onosproject.net.Host; |
| import org.onosproject.net.HostId; |
| import org.onosproject.net.HostLocation; |
| import org.onosproject.net.config.NetworkConfigRegistry; |
| import org.onosproject.net.host.HostDescription; |
| import org.onosproject.net.host.HostEvent; |
| import org.onosproject.net.host.HostService; |
| import org.onosproject.net.host.HostStoreAdapter; |
| import org.onosproject.net.host.InterfaceIpAddress; |
| import org.onosproject.net.packet.DefaultInboundPacket; |
| import org.onosproject.net.packet.InboundPacket; |
| import org.onosproject.net.packet.OutboundPacket; |
| import org.onosproject.net.packet.PacketContext; |
| import org.onosproject.net.packet.PacketContextAdapter; |
| import org.onosproject.net.packet.PacketProcessor; |
| import org.onosproject.net.packet.PacketServiceAdapter; |
| import org.onosproject.net.provider.ProviderId; |
| import org.onosproject.store.StoreDelegate; |
| import org.osgi.service.component.ComponentContext; |
| |
| import java.nio.ByteBuffer; |
| import java.util.Collection; |
| import java.util.Dictionary; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Optional; |
| import java.util.Set; |
| import java.util.stream.Collectors; |
| |
| import static org.easymock.EasyMock.*; |
| import static org.junit.Assert.*; |
| |
| public class DhcpRelayManagerTest { |
| // Ip address for interfaces |
| private static final InterfaceIpAddress INTERFACE_IP = InterfaceIpAddress.valueOf("10.0.3.254/32"); |
| private static final List<InterfaceIpAddress> INTERFACE_IPS = ImmutableList.of(INTERFACE_IP); |
| |
| // DHCP client (will send without option 82) |
| private static final Ip4Address IP_FOR_CLIENT = Ip4Address.valueOf("10.0.0.1"); |
| private static final MacAddress CLIENT_MAC = MacAddress.valueOf("00:00:00:00:00:01"); |
| private static final VlanId CLIENT_VLAN = VlanId.vlanId("100"); |
| private static final ConnectPoint CLIENT_CP = ConnectPoint.deviceConnectPoint("of:0000000000000001/1"); |
| private static final MacAddress CLIENT_IFACE_MAC = MacAddress.valueOf("00:00:00:00:11:01"); |
| private static final Interface CLIENT_INTERFACE = new Interface("C1", |
| CLIENT_CP, |
| INTERFACE_IPS, |
| CLIENT_IFACE_MAC, |
| CLIENT_VLAN); |
| |
| // DHCP client 2 (will send with option 82, so the vlan should equals to vlan from server) |
| private static final MacAddress CLIENT2_MAC = MacAddress.valueOf("00:00:00:00:00:01"); |
| private static final VlanId CLIENT2_VLAN = VlanId.NONE; |
| private static final ConnectPoint CLIENT2_CP = ConnectPoint.deviceConnectPoint("of:0000000000000001/2"); |
| private static final MacAddress CLIENT2_IFACE_MAC = MacAddress.valueOf("00:00:00:00:11:01"); |
| private static final Interface CLIENT2_INTERFACE = new Interface("C2", |
| CLIENT2_CP, |
| INTERFACE_IPS, |
| CLIENT2_IFACE_MAC, |
| CLIENT2_VLAN); |
| |
| // Outer relay information |
| private static final Ip4Address OUTER_RELAY_IP = Ip4Address.valueOf("10.0.5.253"); |
| private static final Set<IpAddress> OUTER_RELAY_IPS = ImmutableSet.of(OUTER_RELAY_IP); |
| private static final MacAddress OUTER_RELAY_MAC = MacAddress.valueOf("00:01:02:03:04:05"); |
| private static final VlanId OUTER_RELAY_VLAN = VlanId.NONE; |
| private static final ConnectPoint OUTER_RELAY_CP = ConnectPoint.deviceConnectPoint("of:0000000000000001/2"); |
| private static final HostLocation OUTER_REPLAY_HL = new HostLocation(OUTER_RELAY_CP, 0); |
| private static final HostId OUTER_RELAY_HOST_ID = HostId.hostId(OUTER_RELAY_MAC, OUTER_RELAY_VLAN); |
| private static final Host OUTER_RELAY_HOST = new DefaultHost(DhcpRelayManager.PROVIDER_ID, |
| OUTER_RELAY_HOST_ID, |
| OUTER_RELAY_MAC, |
| OUTER_RELAY_VLAN, |
| OUTER_REPLAY_HL, |
| OUTER_RELAY_IPS); |
| |
| // DHCP Server |
| private static final MacAddress SERVER_MAC = MacAddress.valueOf("00:00:00:00:00:01"); |
| private static final VlanId SERVER_VLAN = VlanId.NONE; |
| private static final ConnectPoint SERVER_CONNECT_POINT = |
| ConnectPoint.deviceConnectPoint("of:0000000000000001/5"); |
| private static final HostLocation SERVER_LOCATION = |
| new HostLocation(SERVER_CONNECT_POINT, 0); |
| private static final Ip4Address SERVER_IP = Ip4Address.valueOf("10.0.3.253"); |
| private static final Set<IpAddress> DHCP_SERVER_IPS = ImmutableSet.of(SERVER_IP); |
| private static final HostId SERVER_HOST_ID = HostId.hostId(SERVER_MAC, SERVER_VLAN); |
| private static final Host SERVER_HOST = new DefaultHost(DhcpRelayManager.PROVIDER_ID, |
| SERVER_HOST_ID, |
| SERVER_MAC, |
| SERVER_VLAN, |
| SERVER_LOCATION, |
| DHCP_SERVER_IPS); |
| private static final MacAddress SERVER_IFACE_MAC = MacAddress.valueOf("00:00:00:00:00:01"); |
| private static final Interface SERVER_INTERFACE = new Interface("SERVER", |
| SERVER_CONNECT_POINT, |
| INTERFACE_IPS, |
| SERVER_IFACE_MAC, |
| SERVER_VLAN); |
| |
| // Components |
| private static final ApplicationId APP_ID = TestApplicationId.create(DhcpRelayManager.DHCP_RELAY_APP); |
| private static final DhcpRelayConfig CONFIG = new MockDhcpRelayConfig(); |
| private static final Set<Interface> INTERFACES = ImmutableSet.of( |
| CLIENT_INTERFACE, |
| CLIENT2_INTERFACE, |
| SERVER_INTERFACE |
| ); |
| |
| private DhcpRelayManager manager; |
| private MockPacketService packetService; |
| private MockHostStore mockHostStore; |
| private MockRouteStore mockRouteStore; |
| private MockDhcpRelayStore mockDhcpRelayStore; |
| |
| @Before |
| public void setup() { |
| manager = new DhcpRelayManager(); |
| manager.cfgService = createNiceMock(NetworkConfigRegistry.class); |
| |
| expect(manager.cfgService.getConfig(anyObject(), anyObject())) |
| .andReturn(CONFIG) |
| .anyTimes(); |
| |
| manager.coreService = createNiceMock(CoreService.class); |
| expect(manager.coreService.registerApplication(anyString())) |
| .andReturn(APP_ID).anyTimes(); |
| |
| manager.hostService = createNiceMock(HostService.class); |
| expect(manager.hostService.getHostsByIp(anyObject())).andReturn(ImmutableSet.of(SERVER_HOST)); |
| expect(manager.hostService.getHost(OUTER_RELAY_HOST_ID)).andReturn(OUTER_RELAY_HOST); |
| |
| packetService = new MockPacketService(); |
| manager.packetService = packetService; |
| manager.compCfgService = createNiceMock(ComponentConfigService.class); |
| |
| mockHostStore = new MockHostStore(); |
| mockRouteStore = new MockRouteStore(); |
| mockDhcpRelayStore = new MockDhcpRelayStore(); |
| manager.dhcpRelayStore = mockDhcpRelayStore; |
| |
| manager.interfaceService = new MockInterfaceService(); |
| |
| Dhcp4HandlerImpl v4Handler = new Dhcp4HandlerImpl(); |
| v4Handler.dhcpRelayStore = mockDhcpRelayStore; |
| v4Handler.hostService = manager.hostService; |
| v4Handler.hostStore = mockHostStore; |
| v4Handler.interfaceService = manager.interfaceService; |
| v4Handler.packetService = manager.packetService; |
| v4Handler.routeStore = mockRouteStore; |
| manager.v4Handler = v4Handler; |
| |
| // TODO: initialize v6 handler. |
| // properties |
| Dictionary<String, Object> dictionary = createNiceMock(Dictionary.class); |
| expect(dictionary.get("arpEnabled")).andReturn(true).anyTimes(); |
| ComponentContext context = createNiceMock(ComponentContext.class); |
| expect(context.getProperties()).andReturn(dictionary).anyTimes(); |
| |
| EasyMock.replay(manager.cfgService, manager.coreService, manager.hostService, |
| manager.compCfgService, dictionary, context); |
| manager.activate(context); |
| } |
| |
| @After |
| public void tearDown() { |
| manager.deactivate(); |
| } |
| |
| /** |
| * Relay a DHCP packet without option 82. |
| * Should add new host to host store after dhcp ack. |
| */ |
| @Test |
| public void relayDhcpWithoutAgentInfo() { |
| // send request |
| packetService.processPacket(new TestDhcpRequestPacketContext(CLIENT_MAC, |
| CLIENT_VLAN, |
| CLIENT_CP, |
| INTERFACE_IP.ipAddress().getIp4Address(), |
| false)); |
| |
| Set<Host> hosts = ImmutableSet.copyOf(mockHostStore.getHosts()); |
| assertEquals(0, hosts.size()); |
| assertEquals(0, mockRouteStore.routes.size()); |
| |
| // send ack |
| packetService.processPacket(new TestDhcpAckPacketContext(CLIENT_CP, CLIENT_MAC, |
| CLIENT_VLAN, INTERFACE_IP.ipAddress().getIp4Address(), |
| false)); |
| hosts = ImmutableSet.copyOf(mockHostStore.getHosts()); |
| assertEquals(1, hosts.size()); |
| assertEquals(0, mockRouteStore.routes.size()); |
| |
| Host host = hosts.iterator().next(); |
| assertEquals(CLIENT_MAC, host.mac()); |
| assertEquals(CLIENT_VLAN, host.vlan()); |
| assertEquals(CLIENT_CP.deviceId(), host.location().elementId()); |
| assertEquals(CLIENT_CP.port(), host.location().port()); |
| assertEquals(1, host.ipAddresses().size()); |
| assertEquals(IP_FOR_CLIENT, host.ipAddresses().iterator().next()); |
| assertEquals(HostId.hostId(CLIENT_MAC, CLIENT_VLAN), host.id()); |
| } |
| |
| /** |
| * Relay a DHCP packet with option 82 (Indirectly connected host). |
| */ |
| @Test |
| public void relayDhcpWithAgentInfo() { |
| // Assume outer dhcp relay agent exists in store already |
| // send request |
| packetService.processPacket(new TestDhcpRequestPacketContext(CLIENT2_MAC, |
| CLIENT2_VLAN, |
| CLIENT2_CP, |
| INTERFACE_IP.ipAddress().getIp4Address(), |
| true)); |
| |
| Set<Host> hosts = ImmutableSet.copyOf(mockHostStore.getHosts()); |
| assertEquals(0, hosts.size()); |
| assertEquals(0, mockRouteStore.routes.size()); |
| |
| // send ack |
| packetService.processPacket(new TestDhcpAckPacketContext(CLIENT2_CP, |
| CLIENT2_MAC, |
| CLIENT2_VLAN, |
| INTERFACE_IP.ipAddress().getIp4Address(), |
| true)); |
| |
| hosts = ImmutableSet.copyOf(mockHostStore.getHosts()); |
| assertEquals(0, hosts.size()); |
| assertEquals(1, mockRouteStore.routes.size()); |
| |
| Route route = mockRouteStore.routes.get(0); |
| assertEquals(OUTER_RELAY_IP, route.nextHop()); |
| assertEquals(IP_FOR_CLIENT.toIpPrefix(), route.prefix()); |
| assertEquals(Route.Source.STATIC, route.source()); |
| } |
| |
| @Test |
| public void testArpRequest() throws Exception { |
| packetService.processPacket(new TestArpRequestPacketContext(CLIENT_INTERFACE)); |
| OutboundPacket outboundPacket = packetService.emitedPacket; |
| byte[] outPacketData = outboundPacket.data().array(); |
| Ethernet eth = Ethernet.deserializer().deserialize(outPacketData, 0, outPacketData.length); |
| |
| assertEquals(eth.getEtherType(), Ethernet.TYPE_ARP); |
| ARP arp = (ARP) eth.getPayload(); |
| assertArrayEquals(arp.getSenderHardwareAddress(), CLIENT_INTERFACE.mac().toBytes()); |
| } |
| |
| private static class MockDhcpRelayConfig extends DhcpRelayConfig { |
| @Override |
| public boolean isValid() { |
| return true; |
| } |
| |
| @Override |
| public ConnectPoint getDhcpServerConnectPoint() { |
| return SERVER_CONNECT_POINT; |
| } |
| |
| public Ip4Address getDhcpServerIp() { |
| return SERVER_IP; |
| } |
| |
| public Ip4Address getDhcpGatewayIp() { |
| return null; |
| } |
| } |
| |
| private class MockHostStore extends HostStoreAdapter { |
| |
| private final Map<HostId, HostDescription> hosts = Maps.newHashMap(); |
| |
| @Override |
| public HostEvent createOrUpdateHost(ProviderId providerId, HostId hostId, |
| HostDescription hostDescription, |
| boolean replaceIps) { |
| hosts.put(hostId, hostDescription); |
| |
| // not necessary to return host event in this test. |
| return null; |
| } |
| |
| public HostDescription hostDesc(HostId hostId) { |
| return hosts.get(hostId); |
| } |
| |
| @Override |
| public Iterable<Host> getHosts() { |
| return hosts.values().stream() |
| .map(hd -> new DefaultHost(DhcpRelayManager.PROVIDER_ID, |
| HostId.hostId(hd.hwAddress(), hd.vlan()), |
| hd.hwAddress(), |
| hd.vlan(), hd.locations(), |
| hd.ipAddress(), false)) |
| .collect(Collectors.toList()); |
| } |
| } |
| |
| private class MockRouteStore extends RouteStoreAdapter { |
| private List<Route> routes = Lists.newArrayList(); |
| |
| @Override |
| public void updateRoute(Route route) { |
| routes.add(route); |
| } |
| } |
| |
| private class MockInterfaceService extends InterfaceServiceAdapter { |
| |
| @Override |
| public Set<Interface> getInterfaces() { |
| return INTERFACES; |
| } |
| |
| @Override |
| public Set<Interface> getInterfacesByIp(IpAddress ip) { |
| return INTERFACES.stream() |
| .filter(iface -> { |
| return iface.ipAddressesList().stream() |
| .anyMatch(ifaceIp -> ifaceIp.ipAddress().equals(ip)); |
| }) |
| .collect(Collectors.toSet()); |
| } |
| |
| @Override |
| public Set<Interface> getInterfacesByPort(ConnectPoint port) { |
| return INTERFACES.stream() |
| .filter(iface -> iface.connectPoint().equals(port)) |
| .collect(Collectors.toSet()); |
| } |
| } |
| |
| private class MockDhcpRelayStore implements DhcpRelayStore { |
| StoreDelegate<DhcpRelayStoreEvent> delegate; |
| private Map<HostId, DhcpRecord> records = Maps.newHashMap(); |
| |
| @Override |
| public void updateDhcpRecord(HostId hostId, DhcpRecord dhcpRecord) { |
| records.put(hostId, dhcpRecord); |
| DhcpRelayStoreEvent event = new DhcpRelayStoreEvent(DhcpRelayStoreEvent.Type.UPDATED, |
| dhcpRecord); |
| if (delegate != null) { |
| delegate.notify(event); |
| } |
| } |
| |
| @Override |
| public Optional<DhcpRecord> getDhcpRecord(HostId hostId) { |
| return Optional.ofNullable(records.get(hostId)); |
| } |
| |
| @Override |
| public Collection<DhcpRecord> getDhcpRecords() { |
| return records.values(); |
| } |
| |
| @Override |
| public Optional<DhcpRecord> removeDhcpRecord(HostId hostId) { |
| DhcpRecord dhcpRecord = records.remove(hostId); |
| if (dhcpRecord != null) { |
| DhcpRelayStoreEvent event = new DhcpRelayStoreEvent(DhcpRelayStoreEvent.Type.REMOVED, |
| dhcpRecord); |
| if (delegate != null) { |
| delegate.notify(event); |
| } |
| } |
| return Optional.ofNullable(dhcpRecord); |
| } |
| |
| @Override |
| public void setDelegate(StoreDelegate<DhcpRelayStoreEvent> delegate) { |
| this.delegate = delegate; |
| } |
| |
| @Override |
| public void unsetDelegate(StoreDelegate<DhcpRelayStoreEvent> delegate) { |
| this.delegate = null; |
| } |
| |
| @Override |
| public boolean hasDelegate() { |
| return this.delegate != null; |
| } |
| } |
| |
| private class MockPacketService extends PacketServiceAdapter { |
| Set<PacketProcessor> packetProcessors = Sets.newHashSet(); |
| OutboundPacket emitedPacket; |
| |
| @Override |
| public void addProcessor(PacketProcessor processor, int priority) { |
| packetProcessors.add(processor); |
| } |
| |
| public void processPacket(PacketContext packetContext) { |
| packetProcessors.forEach(p -> p.process(packetContext)); |
| } |
| |
| @Override |
| public void emit(OutboundPacket packet) { |
| this.emitedPacket = packet; |
| } |
| } |
| |
| |
| |
| /** |
| * Generates DHCP REQUEST packet. |
| */ |
| private class TestDhcpRequestPacketContext extends PacketContextAdapter { |
| |
| |
| private InboundPacket inPacket; |
| |
| public TestDhcpRequestPacketContext(MacAddress clientMac, VlanId vlanId, |
| ConnectPoint clientCp, |
| Ip4Address clientGwAddr, |
| boolean withNonOnosRelayInfo) { |
| super(0, null, null, false); |
| byte[] dhcpMsgType = new byte[1]; |
| dhcpMsgType[0] = (byte) DHCP.MsgType.DHCPREQUEST.getValue(); |
| |
| DhcpOption dhcpOption = new DhcpOption(); |
| dhcpOption.setCode(DHCP.DHCPOptionCode.OptionCode_MessageType.getValue()); |
| dhcpOption.setData(dhcpMsgType); |
| dhcpOption.setLength((byte) 1); |
| DhcpOption endOption = new DhcpOption(); |
| endOption.setCode(DHCP.DHCPOptionCode.OptionCode_END.getValue()); |
| |
| DHCP dhcp = new DHCP(); |
| dhcp.setHardwareType(DHCP.HWTYPE_ETHERNET); |
| dhcp.setHardwareAddressLength((byte) 6); |
| dhcp.setClientHardwareAddress(clientMac.toBytes()); |
| if (withNonOnosRelayInfo) { |
| DhcpRelayAgentOption relayOption = new DhcpRelayAgentOption(); |
| DhcpOption circuitIdOption = new DhcpOption(); |
| CircuitId circuitId = new CircuitId("Custom option", VlanId.NONE); |
| byte[] cid = circuitId.serialize(); |
| circuitIdOption.setCode(DhcpRelayAgentOption.RelayAgentInfoOptions.CIRCUIT_ID.getValue()); |
| circuitIdOption.setLength((byte) cid.length); |
| circuitIdOption.setData(cid); |
| relayOption.setCode(DHCP.DHCPOptionCode.OptionCode_CircuitID.getValue()); |
| relayOption.addSubOption(circuitIdOption); |
| dhcp.setOptions(ImmutableList.of(dhcpOption, relayOption, endOption)); |
| dhcp.setGatewayIPAddress(OUTER_RELAY_IP.getIp4Address().toInt()); |
| } else { |
| dhcp.setOptions(ImmutableList.of(dhcpOption, endOption)); |
| } |
| |
| |
| UDP udp = new UDP(); |
| udp.setPayload(dhcp); |
| udp.setSourcePort(UDP.DHCP_CLIENT_PORT); |
| udp.setDestinationPort(UDP.DHCP_SERVER_PORT); |
| |
| IPv4 ipv4 = new IPv4(); |
| ipv4.setPayload(udp); |
| ipv4.setDestinationAddress(SERVER_IP.toInt()); |
| ipv4.setSourceAddress(clientGwAddr.toInt()); |
| |
| Ethernet eth = new Ethernet(); |
| if (withNonOnosRelayInfo) { |
| eth.setEtherType(Ethernet.TYPE_IPV4) |
| .setVlanID(vlanId.toShort()) |
| .setSourceMACAddress(OUTER_RELAY_MAC) |
| .setDestinationMACAddress(MacAddress.BROADCAST) |
| .setPayload(ipv4); |
| } else { |
| eth.setEtherType(Ethernet.TYPE_IPV4) |
| .setVlanID(vlanId.toShort()) |
| .setSourceMACAddress(clientMac) |
| .setDestinationMACAddress(MacAddress.BROADCAST) |
| .setPayload(ipv4); |
| } |
| |
| this.inPacket = new DefaultInboundPacket(clientCp, eth, |
| ByteBuffer.wrap(eth.serialize())); |
| } |
| |
| @Override |
| public InboundPacket inPacket() { |
| return this.inPacket; |
| } |
| } |
| |
| /** |
| * Generates DHCP ACK packet. |
| */ |
| private class TestDhcpAckPacketContext extends PacketContextAdapter { |
| private InboundPacket inPacket; |
| |
| public TestDhcpAckPacketContext(ConnectPoint clientCp, MacAddress clientMac, |
| VlanId clientVlan, Ip4Address clientGwAddr, |
| boolean withNonOnosRelayInfo) { |
| super(0, null, null, false); |
| |
| byte[] dhcpMsgType = new byte[1]; |
| dhcpMsgType[0] = (byte) DHCP.MsgType.DHCPACK.getValue(); |
| |
| DhcpOption dhcpOption = new DhcpOption(); |
| dhcpOption.setCode(DHCP.DHCPOptionCode.OptionCode_MessageType.getValue()); |
| dhcpOption.setData(dhcpMsgType); |
| dhcpOption.setLength((byte) 1); |
| |
| DhcpOption endOption = new DhcpOption(); |
| endOption.setCode(DHCP.DHCPOptionCode.OptionCode_END.getValue()); |
| |
| DHCP dhcp = new DHCP(); |
| if (withNonOnosRelayInfo) { |
| DhcpRelayAgentOption relayOption = new DhcpRelayAgentOption(); |
| DhcpOption circuitIdOption = new DhcpOption(); |
| CircuitId circuitId = new CircuitId("Custom cid", VlanId.NONE); |
| byte[] cid = circuitId.serialize(); |
| circuitIdOption.setCode(DhcpRelayAgentOption.RelayAgentInfoOptions.CIRCUIT_ID.getValue()); |
| circuitIdOption.setLength((byte) cid.length); |
| circuitIdOption.setData(cid); |
| relayOption.setCode(DHCP.DHCPOptionCode.OptionCode_CircuitID.getValue()); |
| relayOption.addSubOption(circuitIdOption); |
| dhcp.setOptions(ImmutableList.of(dhcpOption, relayOption, endOption)); |
| dhcp.setGatewayIPAddress(OUTER_RELAY_IP.getIp4Address().toInt()); |
| } else { |
| CircuitId cid = new CircuitId(clientCp.toString(), clientVlan); |
| byte[] circuitId = cid.serialize(); |
| DhcpOption circuitIdSubOption = new DhcpOption(); |
| circuitIdSubOption.setCode(DhcpRelayAgentOption.RelayAgentInfoOptions.CIRCUIT_ID.getValue()); |
| circuitIdSubOption.setData(circuitId); |
| circuitIdSubOption.setLength((byte) circuitId.length); |
| |
| DhcpRelayAgentOption relayInfoOption = new DhcpRelayAgentOption(); |
| relayInfoOption.setCode(DHCP.DHCPOptionCode.OptionCode_CircuitID.getValue()); |
| relayInfoOption.addSubOption(circuitIdSubOption); |
| dhcp.setOptions(ImmutableList.of(dhcpOption, relayInfoOption, endOption)); |
| dhcp.setGatewayIPAddress(clientGwAddr.toInt()); |
| } |
| dhcp.setHardwareType(DHCP.HWTYPE_ETHERNET); |
| dhcp.setHardwareAddressLength((byte) 6); |
| dhcp.setClientHardwareAddress(clientMac.toBytes()); |
| dhcp.setYourIPAddress(IP_FOR_CLIENT.toInt()); |
| |
| UDP udp = new UDP(); |
| udp.setPayload(dhcp); |
| udp.setSourcePort(UDP.DHCP_SERVER_PORT); |
| udp.setDestinationPort(UDP.DHCP_CLIENT_PORT); |
| IPv4 ipv4 = new IPv4(); |
| ipv4.setPayload(udp); |
| ipv4.setDestinationAddress(IP_FOR_CLIENT.toString()); |
| ipv4.setSourceAddress(SERVER_IP.toString()); |
| Ethernet eth = new Ethernet(); |
| if (withNonOnosRelayInfo) { |
| eth.setEtherType(Ethernet.TYPE_IPV4) |
| .setVlanID(SERVER_VLAN.toShort()) |
| .setSourceMACAddress(SERVER_MAC) |
| .setDestinationMACAddress(OUTER_RELAY_MAC) |
| .setPayload(ipv4); |
| } else { |
| eth.setEtherType(Ethernet.TYPE_IPV4) |
| .setVlanID(SERVER_VLAN.toShort()) |
| .setSourceMACAddress(SERVER_MAC) |
| .setDestinationMACAddress(CLIENT_MAC) |
| .setPayload(ipv4); |
| } |
| |
| this.inPacket = new DefaultInboundPacket(SERVER_CONNECT_POINT, eth, |
| ByteBuffer.wrap(eth.serialize())); |
| |
| } |
| |
| @Override |
| public InboundPacket inPacket() { |
| return this.inPacket; |
| } |
| } |
| |
| private class TestArpRequestPacketContext extends PacketContextAdapter { |
| private InboundPacket inPacket; |
| |
| public TestArpRequestPacketContext(Interface fromInterface) { |
| super(0, null, null, false); |
| ARP arp = new ARP(); |
| arp.setOpCode(ARP.OP_REQUEST); |
| |
| IpAddress targetIp = fromInterface.ipAddressesList().get(0).ipAddress(); |
| arp.setTargetProtocolAddress(targetIp.toOctets()); |
| arp.setTargetHardwareAddress(MacAddress.BROADCAST.toBytes()); |
| arp.setSenderHardwareAddress(MacAddress.NONE.toBytes()); |
| arp.setSenderProtocolAddress(Ip4Address.valueOf(0).toOctets()); |
| arp.setHardwareAddressLength((byte) MacAddress.MAC_ADDRESS_LENGTH); |
| Ethernet eth = new Ethernet(); |
| eth.setEtherType(Ethernet.TYPE_ARP); |
| eth.setSourceMACAddress(MacAddress.NONE); |
| eth.setDestinationMACAddress(MacAddress.BROADCAST); |
| eth.setVlanID(fromInterface.vlan().toShort()); |
| eth.setPayload(arp); |
| |
| this.inPacket = new DefaultInboundPacket(fromInterface.connectPoint(), eth, |
| ByteBuffer.wrap(eth.serialize())); |
| } |
| |
| @Override |
| public InboundPacket inPacket() { |
| return this.inPacket; |
| } |
| } |
| } |