arputil/arputil-impl/src/test/java/org/opendaylight/genius/arputil/test/ArpUtilTestUtil.java

   1 /*
   2  * Copyright (c) 2017 Ericsson India Global Services Pvt Ltd. and others. All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.genius.arputil.test;
   9
  10 import java.math.BigInteger;
  11 import java.util.ArrayList;
  12 import java.util.List;
  13 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorRef;
  14 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
  15 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeKey;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.MetadataBuilder;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.PacketReceived;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.PacketReceivedBuilder;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.SendToController;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.packet.received.MatchBuilder;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.table.types.rev131026.TableId;
  24 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  25
  26 public final class ArpUtilTestUtil {
  27
  28     public static final BigInteger DPN_ID = BigInteger.ONE;
  29     public static final BigInteger META_DATA = BigInteger.TEN;
  30     public static final long PORT_NUMBER = 2;
  31     public static final String URI = "2";
  32     public static final String INTERFACE_NAME = "23701c04-7e58-4c65-9425-78a80d49a218";
  33     private static final String[] OP_CODE = new String[]{"0 1", "0 2"}; //array to store opCodes
  34
  35     private ArpUtilTestUtil() {
  36     }
  37
  38     public static PacketReceived createPayload(int oc) {
  39
  40         final short ID = 2;
  41         byte[] payload = bytePayload("1F 1F 1F 1F 1F 1F",                               // Destination MAC
  42                                      "00 01 02 03 04 05",                               // Source MAC
  43                                      "08 06",                                           // Ethernet type
  44                                      "0 1",                                             // Hardware type
  45                                      "8 0",                                             // Protocol type
  46                                      "6",                                               // Hardware size
  47                                      "4",                                               // Protocol size
  48                                      OP_CODE[oc],                                       // Opcode
  49                                      "00 01 02 03 04 05",                               // Sender MAC Address
  50                                      "C0 A8 0 2",                                       // Sender IP Address
  51                                      "00 01 02 03 04 05",                               // Target MAC Address
  52                                      "C0 A8 0 2"                                        // Target IP Address
  53         );
  54         InstanceIdentifier<Node> iid = InstanceIdentifier.builder(Nodes.class)
  55                 .child(Node.class, new NodeKey(new NodeId("openflow:12345"))).build();
  56
  57         return new PacketReceivedBuilder().setPacketInReason(SendToController.class).setTableId(new TableId(ID))
  58                 .setPayload(payload).setIngress(new NodeConnectorRef(iid))
  59                 .setMatch(new MatchBuilder().setMetadata(new MetadataBuilder().setMetadata(META_DATA).build()).build())
  60                 .build();
  61     }
  62
  63     private static byte[] bytePayload(String... contents) {
  64
  65         List<String[]> splitContents = new ArrayList<>();
  66         int packetLength = 0;
  67         for (String content : contents) {
  68             String[] split = content.split(" ");
  69             packetLength += split.length;
  70             splitContents.add(split);
  71         }
  72         byte[] packet = new byte[packetLength];
  73         int index = 0;
  74         for (String[] split : splitContents) {
  75             for (String component : split) {
  76                 packet[index] = (byte) Integer.parseInt(component, 16);
  77                 index++;
  78             }
  79         }
  80         return packet;
  81     }
  82 }