Amit Ghosh | 8951f04 | 2017-08-10 13:48:10 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2017-present Open Networking Foundation |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
Matteo Scandolo | 57af5d1 | 2019-04-29 17:11:41 -0700 | [diff] [blame] | 17 | package org.opencord.dhcpl2relay.impl; |
Amit Ghosh | 8951f04 | 2017-08-10 13:48:10 +0100 | [diff] [blame] | 18 | |
Marcos Aurelio Carrero | eaf02b8 | 2019-11-25 13:34:25 -0300 | [diff] [blame] | 19 | import static com.google.common.base.Preconditions.checkState; |
| 20 | import static org.junit.Assert.assertEquals; |
| 21 | import static org.junit.Assert.fail; |
| 22 | |
| 23 | import java.nio.ByteBuffer; |
| 24 | import java.nio.charset.StandardCharsets; |
| 25 | import java.util.ArrayList; |
| 26 | import java.util.Collection; |
| 27 | import java.util.Dictionary; |
| 28 | import java.util.Hashtable; |
| 29 | import java.util.LinkedList; |
| 30 | import java.util.List; |
| 31 | import java.util.Set; |
| 32 | import java.util.concurrent.Callable; |
| 33 | import java.util.concurrent.ExecutionException; |
| 34 | import java.util.concurrent.Future; |
Marcos Aurelio Carrero | eaf02b8 | 2019-11-25 13:34:25 -0300 | [diff] [blame] | 35 | import java.util.concurrent.ScheduledExecutorService; |
Saurav Das | bd5ce9c | 2020-09-04 18:46:45 -0700 | [diff] [blame] | 36 | import java.util.concurrent.ScheduledFuture; |
Marcos Aurelio Carrero | eaf02b8 | 2019-11-25 13:34:25 -0300 | [diff] [blame] | 37 | import java.util.concurrent.TimeUnit; |
Saurav Das | bd5ce9c | 2020-09-04 18:46:45 -0700 | [diff] [blame] | 38 | import java.util.concurrent.TimeoutException; |
Marcos Aurelio Carrero | eaf02b8 | 2019-11-25 13:34:25 -0300 | [diff] [blame] | 39 | |
Amit Ghosh | 8951f04 | 2017-08-10 13:48:10 +0100 | [diff] [blame] | 40 | import org.onlab.packet.BasePacket; |
Marcos Aurelio Carrero | eaf02b8 | 2019-11-25 13:34:25 -0300 | [diff] [blame] | 41 | import org.onlab.packet.ChassisId; |
Amit Ghosh | 8951f04 | 2017-08-10 13:48:10 +0100 | [diff] [blame] | 42 | import org.onlab.packet.DHCP; |
Amit Ghosh | 8951f04 | 2017-08-10 13:48:10 +0100 | [diff] [blame] | 43 | import org.onlab.packet.Ethernet; |
| 44 | import org.onlab.packet.IPv4; |
| 45 | import org.onlab.packet.Ip4Address; |
Saurav Das | bd5ce9c | 2020-09-04 18:46:45 -0700 | [diff] [blame] | 46 | import org.onlab.packet.IpAddress; |
Amit Ghosh | 8951f04 | 2017-08-10 13:48:10 +0100 | [diff] [blame] | 47 | import org.onlab.packet.MacAddress; |
| 48 | import org.onlab.packet.UDP; |
Marcos Aurelio Carrero | eaf02b8 | 2019-11-25 13:34:25 -0300 | [diff] [blame] | 49 | import org.onlab.packet.VlanId; |
Jonathan Hart | edbf642 | 2018-05-02 17:30:05 -0700 | [diff] [blame] | 50 | import org.onlab.packet.dhcp.DhcpOption; |
Saurav Das | b4e3e10 | 2018-10-02 15:31:17 -0700 | [diff] [blame] | 51 | import org.onosproject.core.ApplicationId; |
| 52 | import org.onosproject.core.CoreServiceAdapter; |
| 53 | import org.onosproject.core.DefaultApplicationId; |
Marcos Aurelio Carrero | eaf02b8 | 2019-11-25 13:34:25 -0300 | [diff] [blame] | 54 | import org.onosproject.event.DefaultEventSinkRegistry; |
| 55 | import org.onosproject.event.Event; |
| 56 | import org.onosproject.event.EventDeliveryService; |
| 57 | import org.onosproject.event.EventSink; |
| 58 | import org.onosproject.mastership.MastershipServiceAdapter; |
| 59 | import org.onosproject.net.AnnotationKeys; |
| 60 | import org.onosproject.net.Annotations; |
Amit Ghosh | 8951f04 | 2017-08-10 13:48:10 +0100 | [diff] [blame] | 61 | import org.onosproject.net.ConnectPoint; |
Marcos Aurelio Carrero | eaf02b8 | 2019-11-25 13:34:25 -0300 | [diff] [blame] | 62 | import org.onosproject.net.DefaultAnnotations; |
| 63 | import org.onosproject.net.DefaultDevice; |
| 64 | import org.onosproject.net.DefaultHost; |
| 65 | import org.onosproject.net.Device; |
| 66 | import org.onosproject.net.DeviceId; |
| 67 | import org.onosproject.net.Element; |
| 68 | import org.onosproject.net.Host; |
| 69 | import org.onosproject.net.HostId; |
| 70 | import org.onosproject.net.HostLocation; |
| 71 | import org.onosproject.net.Port; |
| 72 | import org.onosproject.net.PortNumber; |
| 73 | import org.onosproject.net.device.DeviceServiceAdapter; |
| 74 | import org.onosproject.net.host.HostServiceAdapter; |
Amit Ghosh | 8951f04 | 2017-08-10 13:48:10 +0100 | [diff] [blame] | 75 | import org.onosproject.net.packet.DefaultInboundPacket; |
| 76 | import org.onosproject.net.packet.DefaultPacketContext; |
| 77 | import org.onosproject.net.packet.InboundPacket; |
| 78 | import org.onosproject.net.packet.OutboundPacket; |
| 79 | import org.onosproject.net.packet.PacketContext; |
| 80 | import org.onosproject.net.packet.PacketProcessor; |
| 81 | import org.onosproject.net.packet.PacketServiceAdapter; |
Marcos Aurelio Carrero | eaf02b8 | 2019-11-25 13:34:25 -0300 | [diff] [blame] | 82 | import org.onosproject.net.provider.ProviderId; |
| 83 | import org.opencord.sadis.BandwidthProfileInformation; |
| 84 | import org.opencord.sadis.BaseInformationService; |
| 85 | import org.opencord.sadis.SadisService; |
| 86 | import org.opencord.sadis.SubscriberAndDeviceInformation; |
Gamze Abaka | a64b3bc | 2020-01-31 06:51:43 +0000 | [diff] [blame] | 87 | import org.opencord.sadis.UniTagInformation; |
Marcos Aurelio Carrero | eaf02b8 | 2019-11-25 13:34:25 -0300 | [diff] [blame] | 88 | import org.osgi.framework.Bundle; |
| 89 | import org.osgi.framework.BundleContext; |
| 90 | import org.osgi.framework.ServiceReference; |
| 91 | import org.osgi.service.component.ComponentContext; |
| 92 | import org.osgi.service.component.ComponentInstance; |
Amit Ghosh | 8951f04 | 2017-08-10 13:48:10 +0100 | [diff] [blame] | 93 | import org.slf4j.Logger; |
| 94 | import org.slf4j.LoggerFactory; |
| 95 | |
Saurav Das | bd5ce9c | 2020-09-04 18:46:45 -0700 | [diff] [blame] | 96 | import com.google.common.collect.ImmutableSet; |
| 97 | |
Amit Ghosh | 8951f04 | 2017-08-10 13:48:10 +0100 | [diff] [blame] | 98 | |
| 99 | /** |
Saurav Das | bd5ce9c | 2020-09-04 18:46:45 -0700 | [diff] [blame] | 100 | * Common methods for DHCP app testing. |
Amit Ghosh | 8951f04 | 2017-08-10 13:48:10 +0100 | [diff] [blame] | 101 | */ |
| 102 | public class DhcpL2RelayTestBase { |
| 103 | private final Logger log = LoggerFactory.getLogger(getClass()); |
| 104 | |
Gamze Abaka | a64b3bc | 2020-01-31 06:51:43 +0000 | [diff] [blame] | 105 | static final VlanId CLIENT_C_TAG = VlanId.vlanId((short) 2); |
| 106 | static final VlanId CLIENT_S_TAG = VlanId.vlanId((short) 4); |
| 107 | static final short CLIENT_C_PBIT = 7; |
Marcos Aurelio Carrero | eaf02b8 | 2019-11-25 13:34:25 -0300 | [diff] [blame] | 108 | static final String CLIENT_ID_1 = "SUBSCRIBER_ID_1"; |
| 109 | static final String CLIENT_NAS_PORT_ID = "PON 1/1"; |
| 110 | static final String CLIENT_CIRCUIT_ID = "CIR-PON 1/1"; |
Gamze Abaka | a64b3bc | 2020-01-31 06:51:43 +0000 | [diff] [blame] | 111 | static final short NOT_PROVIDED = 0; |
Amit Ghosh | 8951f04 | 2017-08-10 13:48:10 +0100 | [diff] [blame] | 112 | |
Marcos Aurelio Carrero | eaf02b8 | 2019-11-25 13:34:25 -0300 | [diff] [blame] | 113 | static final MacAddress CLIENT_MAC = MacAddress.valueOf("00:00:00:00:00:01"); |
| 114 | static final MacAddress SERVER_MAC = MacAddress.valueOf("bb:bb:bb:bb:bb:bb"); |
| 115 | static final String DESTINATION_ADDRESS_IP = "1.1.1.1"; |
| 116 | static final String DHCP_CLIENT_IP_ADDRESS = "2.2.2.2"; |
| 117 | static final int UPLINK_PORT = 5; |
Saurav Das | bd5ce9c | 2020-09-04 18:46:45 -0700 | [diff] [blame] | 118 | static final int CLIENT_PORT = 1; |
Marcos Aurelio Carrero | eaf02b8 | 2019-11-25 13:34:25 -0300 | [diff] [blame] | 119 | |
| 120 | static final String EXPECTED_IP = "10.2.0.2"; |
| 121 | static final String OLT_DEV_ID = "of:00000000000000aa"; |
| 122 | static final DeviceId DEVICE_ID_1 = DeviceId.deviceId(OLT_DEV_ID); |
| 123 | static final int TRANSACTION_ID = 1000; |
| 124 | static final String SCHEME_NAME = "dhcpl2relay"; |
| 125 | static final MacAddress OLT_MAC_ADDRESS = MacAddress.valueOf("01:02:03:04:05:06"); |
| 126 | |
| 127 | static final ConnectPoint SERVER_CONNECT_POINT = |
Saurav Das | bd5ce9c | 2020-09-04 18:46:45 -0700 | [diff] [blame] | 128 | ConnectPoint.deviceConnectPoint("of:00000000000000aa/" + |
| 129 | String.valueOf(UPLINK_PORT)); |
Marcos Aurelio Carrero | eaf02b8 | 2019-11-25 13:34:25 -0300 | [diff] [blame] | 130 | |
| 131 | static final DefaultAnnotations DEVICE_ANNOTATIONS = DefaultAnnotations.builder() |
| 132 | .set(AnnotationKeys.PROTOCOL, SCHEME_NAME.toUpperCase()).build(); |
Amit Ghosh | 8951f04 | 2017-08-10 13:48:10 +0100 | [diff] [blame] | 133 | |
| 134 | List<BasePacket> savedPackets = new LinkedList<>(); |
| 135 | PacketProcessor packetProcessor; |
| 136 | |
| 137 | |
| 138 | /** |
| 139 | * Saves the given packet onto the saved packets list. |
| 140 | * |
| 141 | * @param packet packet to save |
| 142 | */ |
| 143 | void savePacket(BasePacket packet) { |
| 144 | savedPackets.add(packet); |
| 145 | } |
| 146 | |
| 147 | BasePacket getPacket() { |
| 148 | return savedPackets.remove(0); |
| 149 | } |
| 150 | |
| 151 | /** |
Saurav Das | b4e3e10 | 2018-10-02 15:31:17 -0700 | [diff] [blame] | 152 | * Mock core service adaptor that provides an appId. |
| 153 | */ |
| 154 | class MockCoreServiceAdapter extends CoreServiceAdapter { |
| 155 | |
| 156 | @Override |
| 157 | public ApplicationId registerApplication(String name) { |
| 158 | return new DefaultApplicationId(10, name); |
| 159 | } |
| 160 | } |
| 161 | |
Marcos Aurelio Carrero | eaf02b8 | 2019-11-25 13:34:25 -0300 | [diff] [blame] | 162 | class MockDeviceService extends DeviceServiceAdapter { |
| 163 | |
| 164 | private ProviderId providerId = new ProviderId("of", "foo"); |
| 165 | private final Device device1 = new DhcpL2RelayTestBase.MockDevice(providerId, DEVICE_ID_1, Device.Type.SWITCH, |
| 166 | "foo.inc", "0", "0", OLT_DEV_ID, new ChassisId(), |
| 167 | DEVICE_ANNOTATIONS); |
Saurav Das | bd5ce9c | 2020-09-04 18:46:45 -0700 | [diff] [blame] | 168 | private final Device otherDevice = new DhcpL2RelayTestBase.MockDevice( |
| 169 | providerId, |
| 170 | DeviceId.deviceId("of:0000b86a974385f7"), |
| 171 | Device.Type.SWITCH, |
| 172 | "foo.inc", "0", "0", "EC1838000853", new ChassisId(), |
| 173 | DEVICE_ANNOTATIONS); |
Marcos Aurelio Carrero | eaf02b8 | 2019-11-25 13:34:25 -0300 | [diff] [blame] | 174 | @Override |
| 175 | public Device getDevice(DeviceId devId) { |
Saurav Das | bd5ce9c | 2020-09-04 18:46:45 -0700 | [diff] [blame] | 176 | if (devId.equals(DEVICE_ID_1)) { |
| 177 | return device1; |
| 178 | } else { |
| 179 | return otherDevice; |
| 180 | } |
Marcos Aurelio Carrero | eaf02b8 | 2019-11-25 13:34:25 -0300 | [diff] [blame] | 181 | } |
| 182 | |
| 183 | @Override |
| 184 | public Port getPort(ConnectPoint cp) { |
Saurav Das | bd5ce9c | 2020-09-04 18:46:45 -0700 | [diff] [blame] | 185 | return new DhcpL2RelayTestBase.MockPort(cp); |
Marcos Aurelio Carrero | eaf02b8 | 2019-11-25 13:34:25 -0300 | [diff] [blame] | 186 | } |
| 187 | |
| 188 | @Override |
| 189 | public Port getPort(DeviceId deviceId, PortNumber portNumber) { |
Saurav Das | bd5ce9c | 2020-09-04 18:46:45 -0700 | [diff] [blame] | 190 | return new DhcpL2RelayTestBase.MockPort(new ConnectPoint(deviceId, |
| 191 | portNumber)); |
Marcos Aurelio Carrero | eaf02b8 | 2019-11-25 13:34:25 -0300 | [diff] [blame] | 192 | } |
| 193 | |
| 194 | @Override |
| 195 | public boolean isAvailable(DeviceId d) { |
| 196 | return true; |
| 197 | } |
| 198 | } |
| 199 | |
| 200 | class MockDevice extends DefaultDevice { |
| 201 | |
| 202 | public MockDevice(ProviderId providerId, DeviceId id, Type type, |
| 203 | String manufacturer, String hwVersion, String swVersion, |
| 204 | String serialNumber, ChassisId chassisId, Annotations... annotations) { |
| 205 | super(providerId, id, type, manufacturer, hwVersion, swVersion, serialNumber, |
| 206 | chassisId, annotations); |
| 207 | } |
| 208 | } |
| 209 | |
| 210 | class MockHostService extends HostServiceAdapter { |
| 211 | |
| 212 | @Override |
| 213 | public Set<Host> getHostsByMac(MacAddress mac) { |
| 214 | |
Saurav Das | bd5ce9c | 2020-09-04 18:46:45 -0700 | [diff] [blame] | 215 | HostLocation loc = new HostLocation(DEVICE_ID_1, PortNumber |
| 216 | .portNumber(CLIENT_PORT), 0); |
Marcos Aurelio Carrero | eaf02b8 | 2019-11-25 13:34:25 -0300 | [diff] [blame] | 217 | |
| 218 | IpAddress ip = IpAddress.valueOf("10.100.200.10"); |
| 219 | |
| 220 | Host h = new DefaultHost(ProviderId.NONE, HostId.hostId(mac, VlanId.NONE), |
| 221 | mac, VlanId.NONE, loc, ImmutableSet.of(ip)); |
| 222 | |
| 223 | return ImmutableSet.of(h); |
| 224 | } |
| 225 | } |
| 226 | |
| 227 | class MockMastershipService extends MastershipServiceAdapter { |
| 228 | @Override |
| 229 | public boolean isLocalMaster(DeviceId d) { |
| 230 | return true; |
| 231 | } |
| 232 | } |
| 233 | |
| 234 | class MockPort implements Port { |
Saurav Das | bd5ce9c | 2020-09-04 18:46:45 -0700 | [diff] [blame] | 235 | private ConnectPoint cp; |
Marcos Aurelio Carrero | eaf02b8 | 2019-11-25 13:34:25 -0300 | [diff] [blame] | 236 | |
Saurav Das | bd5ce9c | 2020-09-04 18:46:45 -0700 | [diff] [blame] | 237 | public MockPort(ConnectPoint cp) { |
| 238 | this.cp = cp; |
| 239 | } |
Marcos Aurelio Carrero | eaf02b8 | 2019-11-25 13:34:25 -0300 | [diff] [blame] | 240 | @Override |
| 241 | public boolean isEnabled() { |
| 242 | return true; |
| 243 | } |
| 244 | @Override |
| 245 | public long portSpeed() { |
| 246 | return 1000; |
| 247 | } |
| 248 | @Override |
| 249 | public Element element() { |
| 250 | return null; |
| 251 | } |
| 252 | @Override |
| 253 | public PortNumber number() { |
| 254 | return null; |
| 255 | } |
| 256 | @Override |
| 257 | public Annotations annotations() { |
| 258 | return new MockAnnotations(); |
| 259 | } |
| 260 | @Override |
| 261 | public Type type() { |
| 262 | return Port.Type.FIBER; |
| 263 | } |
| 264 | |
| 265 | private class MockAnnotations implements Annotations { |
| 266 | |
| 267 | @Override |
| 268 | public String value(String val) { |
Saurav Das | bd5ce9c | 2020-09-04 18:46:45 -0700 | [diff] [blame] | 269 | if (cp.port().toLong() == 32) { |
| 270 | return "ALPHe3d1cea3-1"; |
| 271 | } else if (cp.port().toLong() == 4112) { |
| 272 | return "ALPHe3d1ceb7-1"; |
| 273 | } else { |
| 274 | return "PON 1/1"; |
| 275 | } |
Marcos Aurelio Carrero | eaf02b8 | 2019-11-25 13:34:25 -0300 | [diff] [blame] | 276 | } |
| 277 | @Override |
| 278 | public Set<String> keys() { |
| 279 | return null; |
| 280 | } |
| 281 | } |
| 282 | } |
| 283 | |
Saurav Das | b4e3e10 | 2018-10-02 15:31:17 -0700 | [diff] [blame] | 284 | /** |
Amit Ghosh | 8951f04 | 2017-08-10 13:48:10 +0100 | [diff] [blame] | 285 | * Keeps a reference to the PacketProcessor and saves the OutboundPackets. |
| 286 | */ |
| 287 | class MockPacketService extends PacketServiceAdapter { |
| 288 | |
| 289 | @Override |
| 290 | public void addProcessor(PacketProcessor processor, int priority) { |
| 291 | packetProcessor = processor; |
| 292 | } |
| 293 | |
| 294 | @Override |
| 295 | public void emit(OutboundPacket packet) { |
| 296 | try { |
Deepa Vaddireddy | 5f278d6 | 2017-08-30 05:59:39 +0530 | [diff] [blame] | 297 | Ethernet eth = Ethernet.deserializer().deserialize(packet.data().array(), |
Amit Ghosh | 8951f04 | 2017-08-10 13:48:10 +0100 | [diff] [blame] | 298 | 0, packet.data().array().length); |
| 299 | savePacket(eth); |
| 300 | } catch (Exception e) { |
| 301 | fail(e.getMessage()); |
| 302 | } |
| 303 | } |
| 304 | } |
| 305 | |
Marcos Aurelio Carrero | eaf02b8 | 2019-11-25 13:34:25 -0300 | [diff] [blame] | 306 | class MockSadisService implements SadisService { |
| 307 | @Override |
| 308 | public BaseInformationService<SubscriberAndDeviceInformation> getSubscriberInfoService() { |
| 309 | return new DhcpL2RelayTestBase.MockSubService(); |
| 310 | } |
| 311 | |
| 312 | @Override |
| 313 | public BaseInformationService<BandwidthProfileInformation> getBandwidthProfileService() { |
| 314 | return null; |
| 315 | } |
| 316 | } |
| 317 | |
| 318 | class MockSubService implements BaseInformationService<SubscriberAndDeviceInformation> { |
| 319 | DhcpL2RelayTestBase.MockSubscriberAndDeviceInformation device = |
| 320 | new DhcpL2RelayTestBase.MockSubscriberAndDeviceInformation(OLT_DEV_ID, VlanId.NONE, VlanId.NONE, null, |
| 321 | null, OLT_MAC_ADDRESS, Ip4Address.valueOf("10.10.10.10"), UPLINK_PORT); |
Saurav Das | bd5ce9c | 2020-09-04 18:46:45 -0700 | [diff] [blame] | 322 | DhcpL2RelayTestBase.MockSubscriberAndDeviceInformation otherDevice = |
| 323 | new DhcpL2RelayTestBase.MockSubscriberAndDeviceInformation( |
| 324 | "EC1838000853", VlanId.NONE, VlanId.NONE, null, |
| 325 | null, OLT_MAC_ADDRESS, Ip4Address.valueOf("10.10.10.10"), UPLINK_PORT); |
| 326 | |
Marcos Aurelio Carrero | eaf02b8 | 2019-11-25 13:34:25 -0300 | [diff] [blame] | 327 | DhcpL2RelayTestBase.MockSubscriberAndDeviceInformation sub = |
| 328 | new DhcpL2RelayTestBase.MockSubscriberAndDeviceInformation(CLIENT_ID_1, CLIENT_C_TAG, |
| 329 | CLIENT_S_TAG, CLIENT_NAS_PORT_ID, CLIENT_CIRCUIT_ID, null, null, -1); |
Saurav Das | bd5ce9c | 2020-09-04 18:46:45 -0700 | [diff] [blame] | 330 | DhcpL2RelayTestBase.MockSubscriberAndDeviceInformation sub32 = |
| 331 | new DhcpL2RelayTestBase.MockSubscriberAndDeviceInformation("ALPHe3d1cea3-1", VlanId.vlanId((short) 801), |
| 332 | VlanId.vlanId((short) 111), CLIENT_NAS_PORT_ID, CLIENT_CIRCUIT_ID, null, null, -1); |
| 333 | DhcpL2RelayTestBase.MockSubscriberAndDeviceInformation sub4112 = |
| 334 | new DhcpL2RelayTestBase.MockSubscriberAndDeviceInformation("ALPHe3d1ceb7-1", VlanId.vlanId((short) 101), |
| 335 | VlanId.vlanId((short) 222), CLIENT_NAS_PORT_ID, CLIENT_CIRCUIT_ID, null, null, -1); |
Marcos Aurelio Carrero | eaf02b8 | 2019-11-25 13:34:25 -0300 | [diff] [blame] | 336 | @Override |
| 337 | public SubscriberAndDeviceInformation get(String id) { |
| 338 | if (id.equals(OLT_DEV_ID)) { |
| 339 | return device; |
Saurav Das | bd5ce9c | 2020-09-04 18:46:45 -0700 | [diff] [blame] | 340 | } else if (id.equals("EC1838000853")) { |
| 341 | return otherDevice; |
| 342 | } else if (id.equals("ALPHe3d1cea3-1")) { |
| 343 | return sub32; |
| 344 | } else if (id.equals("ALPHe3d1ceb7-1")) { |
| 345 | return sub4112; |
Marcos Aurelio Carrero | eaf02b8 | 2019-11-25 13:34:25 -0300 | [diff] [blame] | 346 | } else { |
| 347 | return sub; |
| 348 | } |
| 349 | } |
| 350 | |
| 351 | @Override |
| 352 | public void invalidateAll() {} |
| 353 | @Override |
| 354 | public void invalidateId(String id) {} |
| 355 | @Override |
| 356 | public SubscriberAndDeviceInformation getfromCache(String id) { |
| 357 | return null; |
| 358 | } |
| 359 | } |
| 360 | |
| 361 | class MockSubscriberAndDeviceInformation extends SubscriberAndDeviceInformation { |
| 362 | |
Gamze Abaka | a64b3bc | 2020-01-31 06:51:43 +0000 | [diff] [blame] | 363 | MockSubscriberAndDeviceInformation(String id, VlanId cTag, |
| 364 | VlanId sTag, String nasPortId, |
Marcos Aurelio Carrero | eaf02b8 | 2019-11-25 13:34:25 -0300 | [diff] [blame] | 365 | String circuitId, MacAddress hardId, |
| 366 | Ip4Address ipAddress, int uplinkPort) { |
Marcos Aurelio Carrero | eaf02b8 | 2019-11-25 13:34:25 -0300 | [diff] [blame] | 367 | this.setHardwareIdentifier(hardId); |
| 368 | this.setId(id); |
| 369 | this.setIPAddress(ipAddress); |
Marcos Aurelio Carrero | eaf02b8 | 2019-11-25 13:34:25 -0300 | [diff] [blame] | 370 | this.setNasPortId(nasPortId); |
| 371 | this.setCircuitId(circuitId); |
| 372 | this.setUplinkPort(uplinkPort); |
Gamze Abaka | a64b3bc | 2020-01-31 06:51:43 +0000 | [diff] [blame] | 373 | |
| 374 | List<UniTagInformation> uniTagInformationList = new ArrayList<>(); |
| 375 | |
| 376 | UniTagInformation uniTagInformation = new UniTagInformation.Builder() |
| 377 | .setPonCTag(cTag) |
| 378 | .setPonSTag(sTag) |
| 379 | .setUsPonCTagPriority(CLIENT_C_PBIT) |
| 380 | .setIsDhcpRequired(true) |
| 381 | .build(); |
| 382 | uniTagInformationList.add(uniTagInformation); |
Saurav Das | bd5ce9c | 2020-09-04 18:46:45 -0700 | [diff] [blame] | 383 | |
| 384 | if (id.equals("ALPHe3d1cea3-1")) { |
| 385 | // a second service on the same UNI |
| 386 | uniTagInformation = new UniTagInformation.Builder() |
| 387 | .setPonCTag(VlanId.vlanId(((short) (cTag.toShort() + 1)))) |
| 388 | .setPonSTag(sTag) |
| 389 | .setUsPonCTagPriority(CLIENT_C_PBIT) |
| 390 | .setIsDhcpRequired(true) |
| 391 | .build(); |
| 392 | uniTagInformationList.add(uniTagInformation); |
| 393 | } |
| 394 | |
Gamze Abaka | a64b3bc | 2020-01-31 06:51:43 +0000 | [diff] [blame] | 395 | this.setUniTagList(uniTagInformationList); |
Marcos Aurelio Carrero | eaf02b8 | 2019-11-25 13:34:25 -0300 | [diff] [blame] | 396 | } |
| 397 | } |
| 398 | |
| 399 | class MockComponentContext implements ComponentContext { |
| 400 | |
| 401 | @Override |
| 402 | public Dictionary<String, Object> getProperties() { |
| 403 | Dictionary<String, Object> cfgDict = new Hashtable<String, Object>(); |
| 404 | cfgDict.put("publishCountersRate", 10); |
| 405 | return cfgDict; |
| 406 | } |
| 407 | |
| 408 | @Override |
| 409 | public Object locateService(String name) { |
| 410 | // TODO Auto-generated method stub |
| 411 | return null; |
| 412 | } |
| 413 | |
| 414 | @Override |
| 415 | public Object locateService(String name, ServiceReference reference) { |
| 416 | // TODO Auto-generated method stub |
| 417 | return null; |
| 418 | } |
| 419 | |
| 420 | @Override |
| 421 | public Object[] locateServices(String name) { |
| 422 | // TODO Auto-generated method stub |
| 423 | return null; |
| 424 | } |
| 425 | |
| 426 | @Override |
| 427 | public BundleContext getBundleContext() { |
| 428 | // TODO Auto-generated method stub |
| 429 | return null; |
| 430 | } |
| 431 | |
| 432 | @Override |
| 433 | public Bundle getUsingBundle() { |
| 434 | // TODO Auto-generated method stub |
| 435 | return null; |
| 436 | } |
| 437 | |
| 438 | @Override |
| 439 | public ComponentInstance getComponentInstance() { |
| 440 | // TODO Auto-generated method stub |
| 441 | return null; |
| 442 | } |
| 443 | |
| 444 | @Override |
| 445 | public void enableComponent(String name) { |
| 446 | // TODO Auto-generated method stub |
| 447 | } |
| 448 | |
| 449 | @Override |
| 450 | public void disableComponent(String name) { |
| 451 | // TODO Auto-generated method stub |
| 452 | } |
| 453 | |
| 454 | @Override |
| 455 | public ServiceReference getServiceReference() { |
| 456 | // TODO Auto-generated method stub |
| 457 | return null; |
| 458 | } |
| 459 | } |
| 460 | |
| 461 | |
Amit Ghosh | 8951f04 | 2017-08-10 13:48:10 +0100 | [diff] [blame] | 462 | /** |
| 463 | * Mocks the DefaultPacketContext. |
| 464 | */ |
| 465 | final class TestPacketContext extends DefaultPacketContext { |
| 466 | |
| 467 | private TestPacketContext(long time, InboundPacket inPkt, |
| 468 | OutboundPacket outPkt, boolean block) { |
| 469 | super(time, inPkt, outPkt, block); |
| 470 | } |
| 471 | |
| 472 | @Override |
| 473 | public void send() { |
| 474 | // We don't send anything out. |
| 475 | } |
| 476 | } |
| 477 | |
Marcos Aurelio Carrero | eaf02b8 | 2019-11-25 13:34:25 -0300 | [diff] [blame] | 478 | public static class TestEventDispatcher extends DefaultEventSinkRegistry |
| 479 | implements EventDeliveryService { |
| 480 | @Override |
| 481 | @SuppressWarnings("unchecked") |
| 482 | public synchronized void post(Event event) { |
| 483 | EventSink sink = getSink(event.getClass()); |
| 484 | checkState(sink != null, "No sink for event %s", event); |
| 485 | sink.process(event); |
| 486 | } |
| 487 | |
| 488 | @Override |
| 489 | public void setDispatchTimeLimit(long millis) { |
| 490 | } |
| 491 | |
| 492 | @Override |
| 493 | public long getDispatchTimeLimit() { |
| 494 | return 0; |
| 495 | } |
| 496 | } |
| 497 | |
| 498 | /** |
| 499 | * Creates a mock object for a scheduled executor service. |
| 500 | * |
| 501 | */ |
| 502 | public static final class MockExecutor implements ScheduledExecutorService { |
| 503 | private ScheduledExecutorService executor; |
| 504 | |
| 505 | MockExecutor(ScheduledExecutorService executor) { |
| 506 | this.executor = executor; |
| 507 | } |
| 508 | |
| 509 | String lastMethodCalled = ""; |
| 510 | long lastInitialDelay; |
| 511 | long lastDelay; |
| 512 | TimeUnit lastUnit; |
| 513 | |
| 514 | public void assertLastMethodCalled(String method, long initialDelay, long delay, TimeUnit unit) { |
| 515 | assertEquals(method, lastMethodCalled); |
| 516 | assertEquals(initialDelay, lastInitialDelay); |
| 517 | assertEquals(delay, lastDelay); |
| 518 | assertEquals(unit, lastUnit); |
| 519 | } |
| 520 | |
| 521 | @Override |
| 522 | public ScheduledFuture<?> schedule(Runnable command, long delay, TimeUnit unit) { |
| 523 | lastMethodCalled = "scheduleRunnable"; |
| 524 | lastDelay = delay; |
| 525 | lastUnit = unit; |
| 526 | return null; |
| 527 | } |
| 528 | |
| 529 | @Override |
| 530 | public <V> ScheduledFuture<V> schedule(Callable<V> callable, long delay, TimeUnit unit) { |
| 531 | lastMethodCalled = "scheduleCallable"; |
| 532 | lastDelay = delay; |
| 533 | lastUnit = unit; |
| 534 | return null; |
| 535 | } |
| 536 | |
| 537 | @Override |
| 538 | public ScheduledFuture<?> scheduleAtFixedRate( |
| 539 | Runnable command, long initialDelay, long period, TimeUnit unit) { |
| 540 | lastMethodCalled = "scheduleAtFixedRate"; |
| 541 | lastInitialDelay = initialDelay; |
| 542 | lastDelay = period; |
| 543 | lastUnit = unit; |
| 544 | return null; |
| 545 | } |
| 546 | |
| 547 | @Override |
| 548 | public ScheduledFuture<?> scheduleWithFixedDelay( |
| 549 | Runnable command, long initialDelay, long delay, TimeUnit unit) { |
| 550 | lastMethodCalled = "scheduleWithFixedDelay"; |
| 551 | lastInitialDelay = initialDelay; |
| 552 | lastDelay = delay; |
| 553 | lastUnit = unit; |
| 554 | command.run(); |
| 555 | return null; |
| 556 | } |
| 557 | |
| 558 | @Override |
| 559 | public boolean awaitTermination(long timeout, TimeUnit unit) { |
| 560 | throw new UnsupportedOperationException(); |
| 561 | } |
| 562 | |
| 563 | @Override |
| 564 | public <T> List<Future<T>> invokeAll(Collection<? extends Callable<T>> tasks) |
| 565 | throws InterruptedException { |
| 566 | throw new UnsupportedOperationException(); |
| 567 | } |
| 568 | |
| 569 | @Override |
| 570 | public <T> List<Future<T>> invokeAll( |
| 571 | Collection<? extends Callable<T>> tasks, long timeout, TimeUnit unit) |
| 572 | throws InterruptedException { |
| 573 | throw new UnsupportedOperationException(); |
| 574 | } |
| 575 | |
| 576 | @Override |
| 577 | public <T> T invokeAny(Collection<? extends Callable<T>> tasks) |
| 578 | throws ExecutionException, InterruptedException { |
| 579 | throw new UnsupportedOperationException(); |
| 580 | } |
| 581 | |
| 582 | @Override |
| 583 | public <T> T invokeAny(Collection<? extends Callable<T>> tasks, long timeout, TimeUnit unit) |
| 584 | throws ExecutionException, InterruptedException, TimeoutException { |
| 585 | throw new UnsupportedOperationException(); |
| 586 | } |
| 587 | |
| 588 | @Override |
| 589 | public boolean isShutdown() { |
| 590 | throw new UnsupportedOperationException(); |
| 591 | } |
| 592 | |
| 593 | @Override |
| 594 | public boolean isTerminated() { |
| 595 | throw new UnsupportedOperationException(); |
| 596 | } |
| 597 | |
| 598 | @Override |
| 599 | public void shutdown() { |
| 600 | throw new UnsupportedOperationException(); |
| 601 | } |
| 602 | |
| 603 | @Override |
| 604 | public List<Runnable> shutdownNow() { |
| 605 | return null; |
| 606 | } |
| 607 | |
| 608 | @Override |
| 609 | public <T> Future<T> submit(Callable<T> task) { |
| 610 | throw new UnsupportedOperationException(); |
| 611 | } |
| 612 | |
| 613 | @Override |
| 614 | public Future<?> submit(Runnable task) { |
| 615 | throw new UnsupportedOperationException(); |
| 616 | } |
| 617 | |
| 618 | @Override |
| 619 | public <T> Future<T> submit(Runnable task, T result) { |
| 620 | throw new UnsupportedOperationException(); |
| 621 | } |
| 622 | |
| 623 | @Override |
| 624 | public void execute(Runnable command) { |
| 625 | throw new UnsupportedOperationException(); |
| 626 | } |
| 627 | } |
| 628 | |
Amit Ghosh | 8951f04 | 2017-08-10 13:48:10 +0100 | [diff] [blame] | 629 | /** |
| 630 | * Sends an Ethernet packet to the process method of the Packet Processor. |
| 631 | * |
| 632 | * @param pkt Ethernet packet |
| 633 | */ |
Deepa Vaddireddy | 5f278d6 | 2017-08-30 05:59:39 +0530 | [diff] [blame] | 634 | void sendPacket(Ethernet pkt, ConnectPoint cp) { |
Amit Ghosh | 8951f04 | 2017-08-10 13:48:10 +0100 | [diff] [blame] | 635 | final ByteBuffer byteBuffer = ByteBuffer.wrap(pkt.serialize()); |
Deepa Vaddireddy | 5f278d6 | 2017-08-30 05:59:39 +0530 | [diff] [blame] | 636 | InboundPacket inPacket = new DefaultInboundPacket(cp, pkt, byteBuffer); |
Amit Ghosh | 8951f04 | 2017-08-10 13:48:10 +0100 | [diff] [blame] | 637 | |
| 638 | PacketContext context = new TestPacketContext(127L, inPacket, null, false); |
| 639 | packetProcessor.process(context); |
| 640 | } |
| 641 | |
Saurav Das | bd5ce9c | 2020-09-04 18:46:45 -0700 | [diff] [blame] | 642 | private Ethernet constructEthernetPacket(MacAddress srcMac, MacAddress dstMac, |
Amit Ghosh | 8951f04 | 2017-08-10 13:48:10 +0100 | [diff] [blame] | 643 | String dstIp, byte dhcpReqRsp, |
| 644 | MacAddress clientHwAddress, |
Saurav Das | bd5ce9c | 2020-09-04 18:46:45 -0700 | [diff] [blame] | 645 | Ip4Address dhcpClientIpAddress, |
| 646 | VlanId clientVlan, short clientPbit) { |
Amit Ghosh | 8951f04 | 2017-08-10 13:48:10 +0100 | [diff] [blame] | 647 | // Ethernet Frame. |
Deepa Vaddireddy | 5f278d6 | 2017-08-30 05:59:39 +0530 | [diff] [blame] | 648 | Ethernet ethPkt = new Ethernet(); |
| 649 | ethPkt.setSourceMACAddress(srcMac); |
| 650 | ethPkt.setDestinationMACAddress(dstMac); |
Amit Ghosh | 8951f04 | 2017-08-10 13:48:10 +0100 | [diff] [blame] | 651 | ethPkt.setEtherType(Ethernet.TYPE_IPV4); |
Saurav Das | bd5ce9c | 2020-09-04 18:46:45 -0700 | [diff] [blame] | 652 | ethPkt.setVlanID(clientVlan.toShort()); |
| 653 | ethPkt.setPriorityCode((byte) clientPbit); |
Gamze Abaka | a64b3bc | 2020-01-31 06:51:43 +0000 | [diff] [blame] | 654 | |
| 655 | if (DHCP.OPCODE_REPLY == dhcpReqRsp) { |
| 656 | ethPkt.setQinQPriorityCode((byte) 3); |
| 657 | ethPkt.setQinQVID((short) 4); |
| 658 | } |
Amit Ghosh | 8951f04 | 2017-08-10 13:48:10 +0100 | [diff] [blame] | 659 | |
| 660 | // IP Packet |
| 661 | IPv4 ipv4Reply = new IPv4(); |
| 662 | ipv4Reply.setSourceAddress(0); |
| 663 | ipv4Reply.setDestinationAddress(dstIp); |
| 664 | |
| 665 | ipv4Reply.setTtl((byte) 127); |
| 666 | |
| 667 | // UDP Datagram. |
| 668 | UDP udpReply = new UDP(); |
| 669 | udpReply.setSourcePort((byte) UDP.DHCP_CLIENT_PORT); |
| 670 | udpReply.setDestinationPort((byte) UDP.DHCP_SERVER_PORT); |
| 671 | |
| 672 | // DHCP Payload. |
| 673 | DHCP dhcpReply = new DHCP(); |
| 674 | dhcpReply.setOpCode(dhcpReqRsp); |
| 675 | |
| 676 | dhcpReply.setYourIPAddress(dhcpClientIpAddress.toInt()); |
| 677 | dhcpReply.setServerIPAddress(0); |
| 678 | |
| 679 | final byte[] serverNameBytes = new byte[64]; |
| 680 | String result = new String(serverNameBytes, StandardCharsets.US_ASCII).trim(); |
| 681 | dhcpReply.setServerName(result); |
| 682 | |
| 683 | final byte[] bootFileBytes = new byte[128]; |
| 684 | String result1 = new String(bootFileBytes, StandardCharsets.US_ASCII).trim(); |
| 685 | dhcpReply.setBootFileName(result1); |
| 686 | |
| 687 | dhcpReply.setTransactionId(TRANSACTION_ID); |
| 688 | dhcpReply.setClientHardwareAddress(clientHwAddress.toBytes()); |
| 689 | dhcpReply.setHardwareType(DHCP.HWTYPE_ETHERNET); |
| 690 | dhcpReply.setHardwareAddressLength((byte) 6); |
| 691 | |
| 692 | udpReply.setPayload(dhcpReply); |
| 693 | ipv4Reply.setPayload(udpReply); |
| 694 | ethPkt.setPayload(ipv4Reply); |
| 695 | |
| 696 | return ethPkt; |
Saurav Das | bd5ce9c | 2020-09-04 18:46:45 -0700 | [diff] [blame] | 697 | |
| 698 | } |
| 699 | |
| 700 | /** |
| 701 | * Constructs an Ethernet packet with IP/UDP/DHCP payload and client |
| 702 | * VLAN information. |
| 703 | * |
| 704 | * @return Ethernet packet |
| 705 | */ |
| 706 | private Ethernet construcEthernetPacket(MacAddress srcMac, MacAddress dstMac, |
| 707 | String dstIp, byte dhcpReqRsp, |
| 708 | MacAddress clientHwAddress, |
| 709 | Ip4Address dhcpClientIpAddress) { |
| 710 | return constructEthernetPacket(srcMac, dstMac, dstIp, dhcpReqRsp, |
| 711 | clientHwAddress, dhcpClientIpAddress, |
| 712 | CLIENT_C_TAG, CLIENT_C_PBIT); |
| 713 | |
Amit Ghosh | 8951f04 | 2017-08-10 13:48:10 +0100 | [diff] [blame] | 714 | } |
| 715 | |
| 716 | /** |
| 717 | * Constructs DHCP Discover Packet. |
| 718 | * |
| 719 | * @return Ethernet packet |
| 720 | */ |
Deepa Vaddireddy | 5f278d6 | 2017-08-30 05:59:39 +0530 | [diff] [blame] | 721 | Ethernet constructDhcpDiscoverPacket(MacAddress clientMac) { |
Deepa Vaddireddy | 5f278d6 | 2017-08-30 05:59:39 +0530 | [diff] [blame] | 722 | Ethernet pkt = construcEthernetPacket(clientMac, MacAddress.BROADCAST, |
Saurav Das | bd5ce9c | 2020-09-04 18:46:45 -0700 | [diff] [blame] | 723 | "255.255.255.255", DHCP.OPCODE_REQUEST, clientMac, |
Amit Ghosh | 8951f04 | 2017-08-10 13:48:10 +0100 | [diff] [blame] | 724 | Ip4Address.valueOf("0.0.0.0")); |
| 725 | |
| 726 | IPv4 ipv4Packet = (IPv4) pkt.getPayload(); |
| 727 | UDP udpPacket = (UDP) ipv4Packet.getPayload(); |
| 728 | DHCP dhcpPacket = (DHCP) udpPacket.getPayload(); |
| 729 | |
Carmelo Cascone | de1e6e3 | 2019-07-15 19:39:08 -0700 | [diff] [blame] | 730 | dhcpPacket.setOptions(constructDhcpOptions(DHCP.MsgType.DHCPDISCOVER)); |
Amit Ghosh | 8951f04 | 2017-08-10 13:48:10 +0100 | [diff] [blame] | 731 | |
| 732 | return pkt; |
| 733 | } |
| 734 | |
| 735 | /** |
Saurav Das | bd5ce9c | 2020-09-04 18:46:45 -0700 | [diff] [blame] | 736 | * Constructs DHCP Discover Packet with client VLAN information. |
| 737 | * |
| 738 | * @return Ethernet packet |
| 739 | */ |
| 740 | Ethernet constructDhcpDiscoverPacket(MacAddress clientMac, VlanId clientVlan, |
| 741 | short clientPbit) { |
| 742 | Ethernet pkt = constructEthernetPacket(clientMac, MacAddress.BROADCAST, |
| 743 | "255.255.255.255", DHCP.OPCODE_REQUEST, clientMac, |
| 744 | Ip4Address.valueOf("0.0.0.0"), clientVlan, clientPbit); |
| 745 | |
| 746 | IPv4 ipv4Packet = (IPv4) pkt.getPayload(); |
| 747 | UDP udpPacket = (UDP) ipv4Packet.getPayload(); |
| 748 | DHCP dhcpPacket = (DHCP) udpPacket.getPayload(); |
| 749 | |
| 750 | dhcpPacket.setOptions(constructDhcpOptions(DHCP.MsgType.DHCPDISCOVER)); |
| 751 | |
| 752 | return pkt; |
| 753 | } |
| 754 | |
| 755 | /** |
Amit Ghosh | 8951f04 | 2017-08-10 13:48:10 +0100 | [diff] [blame] | 756 | * Constructs DHCP Request Packet. |
| 757 | * |
| 758 | * @return Ethernet packet |
| 759 | */ |
Deepa Vaddireddy | 5f278d6 | 2017-08-30 05:59:39 +0530 | [diff] [blame] | 760 | Ethernet constructDhcpRequestPacket(MacAddress clientMac) { |
Deepa Vaddireddy | 5f278d6 | 2017-08-30 05:59:39 +0530 | [diff] [blame] | 761 | Ethernet pkt = construcEthernetPacket(clientMac, MacAddress.BROADCAST, |
Saurav Das | bd5ce9c | 2020-09-04 18:46:45 -0700 | [diff] [blame] | 762 | "255.255.255.255", DHCP.OPCODE_REQUEST, clientMac, |
Amit Ghosh | 8951f04 | 2017-08-10 13:48:10 +0100 | [diff] [blame] | 763 | Ip4Address.valueOf("0.0.0.0")); |
| 764 | |
| 765 | IPv4 ipv4Packet = (IPv4) pkt.getPayload(); |
| 766 | UDP udpPacket = (UDP) ipv4Packet.getPayload(); |
| 767 | DHCP dhcpPacket = (DHCP) udpPacket.getPayload(); |
| 768 | |
Carmelo Cascone | de1e6e3 | 2019-07-15 19:39:08 -0700 | [diff] [blame] | 769 | dhcpPacket.setOptions(constructDhcpOptions(DHCP.MsgType.DHCPREQUEST)); |
Amit Ghosh | 8951f04 | 2017-08-10 13:48:10 +0100 | [diff] [blame] | 770 | |
| 771 | return pkt; |
| 772 | } |
| 773 | |
| 774 | /** |
| 775 | * Constructs DHCP Offer Packet. |
| 776 | * |
| 777 | * @return Ethernet packet |
| 778 | */ |
Deepa Vaddireddy | 5f278d6 | 2017-08-30 05:59:39 +0530 | [diff] [blame] | 779 | Ethernet constructDhcpOfferPacket(MacAddress servMac, MacAddress clientMac, |
Amit Ghosh | 8951f04 | 2017-08-10 13:48:10 +0100 | [diff] [blame] | 780 | String ipAddress, String dhcpClientIpAddress) { |
Deepa Vaddireddy | 5f278d6 | 2017-08-30 05:59:39 +0530 | [diff] [blame] | 781 | Ethernet pkt = construcEthernetPacket(servMac, clientMac, ipAddress, DHCP.OPCODE_REPLY, |
Amit Ghosh | 8951f04 | 2017-08-10 13:48:10 +0100 | [diff] [blame] | 782 | clientMac, Ip4Address.valueOf(dhcpClientIpAddress)); |
| 783 | |
| 784 | IPv4 ipv4Packet = (IPv4) pkt.getPayload(); |
| 785 | UDP udpPacket = (UDP) ipv4Packet.getPayload(); |
| 786 | DHCP dhcpPacket = (DHCP) udpPacket.getPayload(); |
| 787 | |
Carmelo Cascone | de1e6e3 | 2019-07-15 19:39:08 -0700 | [diff] [blame] | 788 | dhcpPacket.setOptions(constructDhcpOptions(DHCP.MsgType.DHCPOFFER)); |
Amit Ghosh | 8951f04 | 2017-08-10 13:48:10 +0100 | [diff] [blame] | 789 | |
| 790 | return pkt; |
| 791 | } |
| 792 | |
| 793 | /** |
| 794 | * Constructs DHCP Ack Packet. |
| 795 | * |
| 796 | * @return Ethernet packet |
| 797 | */ |
Deepa Vaddireddy | 5f278d6 | 2017-08-30 05:59:39 +0530 | [diff] [blame] | 798 | Ethernet constructDhcpAckPacket(MacAddress servMac, MacAddress clientMac, |
Amit Ghosh | 8951f04 | 2017-08-10 13:48:10 +0100 | [diff] [blame] | 799 | String ipAddress, String dhcpClientIpAddress) { |
Deepa Vaddireddy | 5f278d6 | 2017-08-30 05:59:39 +0530 | [diff] [blame] | 800 | Ethernet pkt = construcEthernetPacket(servMac, clientMac, ipAddress, DHCP.OPCODE_REPLY, |
Amit Ghosh | 8951f04 | 2017-08-10 13:48:10 +0100 | [diff] [blame] | 801 | clientMac, Ip4Address.valueOf(dhcpClientIpAddress)); |
| 802 | |
| 803 | IPv4 ipv4Packet = (IPv4) pkt.getPayload(); |
| 804 | UDP udpPacket = (UDP) ipv4Packet.getPayload(); |
| 805 | DHCP dhcpPacket = (DHCP) udpPacket.getPayload(); |
| 806 | |
Carmelo Cascone | de1e6e3 | 2019-07-15 19:39:08 -0700 | [diff] [blame] | 807 | dhcpPacket.setOptions(constructDhcpOptions(DHCP.MsgType.DHCPACK)); |
Amit Ghosh | 8951f04 | 2017-08-10 13:48:10 +0100 | [diff] [blame] | 808 | |
| 809 | return pkt; |
| 810 | } |
| 811 | |
| 812 | /** |
Arjun E K | 05ad20b | 2020-03-13 13:25:17 +0000 | [diff] [blame] | 813 | * Constructs DHCP Nak Packet. |
| 814 | * |
| 815 | * @return Ethernet packet |
| 816 | */ |
| 817 | Ethernet constructDhcpNakPacket(MacAddress servMac, MacAddress clientMac, |
| 818 | String ipAddress, String dhcpClientIpAddress) { |
| 819 | |
| 820 | Ethernet pkt = construcEthernetPacket(servMac, clientMac, ipAddress, DHCP.OPCODE_REPLY, |
| 821 | clientMac, Ip4Address.valueOf(dhcpClientIpAddress)); |
| 822 | |
| 823 | IPv4 ipv4Packet = (IPv4) pkt.getPayload(); |
| 824 | UDP udpPacket = (UDP) ipv4Packet.getPayload(); |
| 825 | DHCP dhcpPacket = (DHCP) udpPacket.getPayload(); |
| 826 | |
| 827 | dhcpPacket.setOptions(constructDhcpOptions(DHCP.MsgType.DHCPNAK)); |
| 828 | |
| 829 | return pkt; |
| 830 | } |
| 831 | |
| 832 | /** |
| 833 | * Constructs DHCP Decline Packet. |
| 834 | * |
| 835 | * @return Ethernet packet |
| 836 | */ |
| 837 | Ethernet constructDhcpDeclinePacket(MacAddress clientMac) { |
| 838 | |
| 839 | Ethernet pkt = construcEthernetPacket(clientMac, MacAddress.BROADCAST, |
Saurav Das | bd5ce9c | 2020-09-04 18:46:45 -0700 | [diff] [blame] | 840 | "255.255.255.255", DHCP.OPCODE_REQUEST, clientMac, |
Arjun E K | 05ad20b | 2020-03-13 13:25:17 +0000 | [diff] [blame] | 841 | Ip4Address.valueOf("0.0.0.0")); |
| 842 | |
| 843 | IPv4 ipv4Packet = (IPv4) pkt.getPayload(); |
| 844 | UDP udpPacket = (UDP) ipv4Packet.getPayload(); |
| 845 | DHCP dhcpPacket = (DHCP) udpPacket.getPayload(); |
| 846 | |
| 847 | dhcpPacket.setOptions(constructDhcpOptions(DHCP.MsgType.DHCPDECLINE)); |
| 848 | |
| 849 | return pkt; |
| 850 | } |
| 851 | |
| 852 | /** |
Amit Ghosh | 8951f04 | 2017-08-10 13:48:10 +0100 | [diff] [blame] | 853 | * Constructs DHCP Discover Options. |
| 854 | * |
| 855 | * @return Ethernet packet |
| 856 | */ |
Carmelo Cascone | de1e6e3 | 2019-07-15 19:39:08 -0700 | [diff] [blame] | 857 | private List<DhcpOption> constructDhcpOptions(DHCP.MsgType packetType) { |
Amit Ghosh | 8951f04 | 2017-08-10 13:48:10 +0100 | [diff] [blame] | 858 | |
| 859 | // DHCP Options. |
Jonathan Hart | edbf642 | 2018-05-02 17:30:05 -0700 | [diff] [blame] | 860 | DhcpOption option = new DhcpOption(); |
| 861 | List<DhcpOption> optionList = new ArrayList<>(); |
Amit Ghosh | 8951f04 | 2017-08-10 13:48:10 +0100 | [diff] [blame] | 862 | |
| 863 | |
| 864 | // DHCP Message Type. |
| 865 | option.setCode(DHCP.DHCPOptionCode.OptionCode_MessageType.getValue()); |
| 866 | option.setLength((byte) 1); |
| 867 | byte[] optionData = {(byte) packetType.getValue()}; |
| 868 | option.setData(optionData); |
| 869 | optionList.add(option); |
| 870 | |
| 871 | // DHCP Requested IP. |
Jonathan Hart | edbf642 | 2018-05-02 17:30:05 -0700 | [diff] [blame] | 872 | option = new DhcpOption(); |
Amit Ghosh | 8951f04 | 2017-08-10 13:48:10 +0100 | [diff] [blame] | 873 | option.setCode(DHCP.DHCPOptionCode.OptionCode_RequestedIP.getValue()); |
| 874 | option.setLength((byte) 4); |
| 875 | optionData = Ip4Address.valueOf(EXPECTED_IP).toOctets(); |
| 876 | option.setData(optionData); |
| 877 | optionList.add(option); |
| 878 | |
| 879 | // End Option. |
Jonathan Hart | edbf642 | 2018-05-02 17:30:05 -0700 | [diff] [blame] | 880 | option = new DhcpOption(); |
Amit Ghosh | 8951f04 | 2017-08-10 13:48:10 +0100 | [diff] [blame] | 881 | option.setCode(DHCP.DHCPOptionCode.OptionCode_END.getValue()); |
| 882 | option.setLength((byte) 1); |
| 883 | optionList.add(option); |
| 884 | |
| 885 | return optionList; |
| 886 | } |
Marcos Aurelio Carrero | eaf02b8 | 2019-11-25 13:34:25 -0300 | [diff] [blame] | 887 | } |