Example #1
0
File: ARP.java Project: jmdbo/CGR
 @Override
 public boolean equals(Object obj) {
   if (this == obj) return true;
   if (!super.equals(obj)) return false;
   if (getClass() != obj.getClass()) return false;
   ARP other = (ARP) obj;
   if (hardwareAddressLength != other.hardwareAddressLength) return false;
   if (hardwareType != other.hardwareType) return false;
   if (opCode == null) {
     if (other.opCode != null) return false;
   } else if (!opCode.equals(other.opCode)) return false;
   if (protocolAddressLength != other.protocolAddressLength) return false;
   if (protocolType != other.protocolType) return false;
   if (senderHardwareAddress == null) {
     if (other.senderHardwareAddress != null) return false;
   } else if (!senderHardwareAddress.equals(other.senderHardwareAddress)) return false;
   if (senderProtocolAddress == null) {
     if (other.senderProtocolAddress != null) return false;
   } else if (!senderProtocolAddress.equals(other.senderProtocolAddress)) return false;
   if (targetHardwareAddress == null) {
     if (other.targetHardwareAddress != null) return false;
   } else if (!targetHardwareAddress.equals(other.targetHardwareAddress)) return false;
   if (targetProtocolAddress == null) {
     if (other.targetProtocolAddress != null) return false;
   } else if (!targetProtocolAddress.equals(other.targetProtocolAddress)) return false;
   return true;
 }
Example #2
0
File: ARP.java Project: jmdbo/CGR
  @Override
  public IPacket deserialize(byte[] data, int offset, int length) throws PacketParsingException {
    ByteBuffer bb = ByteBuffer.wrap(data, offset, length);
    this.hardwareType = bb.getShort();
    this.protocolType = bb.getShort();
    this.hardwareAddressLength = bb.get();
    this.protocolAddressLength = bb.get();
    if (this.hardwareAddressLength != 6) {
      String msg = "Incorrect ARP hardware address length: " + hardwareAddressLength;
      throw new PacketParsingException(msg);
    }
    if (this.protocolAddressLength != 4) {
      String msg = "Incorrect ARP protocol address length: " + protocolAddressLength;
      throw new PacketParsingException(msg);
    }
    this.opCode = ArpOpcode.of(bb.getShort());

    byte[] tmpMac = new byte[0xff & this.hardwareAddressLength];
    byte[] tmpIp = new byte[0xff & this.protocolAddressLength];

    bb.get(tmpMac, 0, this.hardwareAddressLength);
    this.senderHardwareAddress = MacAddress.of(tmpMac);
    bb.get(tmpIp, 0, this.protocolAddressLength);
    this.senderProtocolAddress = IPv4Address.of(tmpIp);

    bb.get(tmpMac, 0, this.hardwareAddressLength);
    this.targetHardwareAddress = MacAddress.of(tmpMac);
    bb.get(tmpIp, 0, this.protocolAddressLength);
    this.targetProtocolAddress = IPv4Address.of(tmpIp);

    return this;
  }
  @Override
  public int hashCode() {
    final int prime = 31;
    int result = 1;

    result = prime * result + ((value == null) ? 0 : value.hashCode());
    result = prime * result + ((mask == null) ? 0 : mask.hashCode());
    return result;
  }
Example #4
0
 /**
  * Constructor for a DHCPPool of DHCPBinding's. Each DHCPBinding object is initialized with a null
  * MAC address and the lease is set to inactive (i.e. false).
  *
  * @param {@code byte[]} startingIPv4Address: The lowest IP address to lease.
  * @param {@code integer} size: (startingIPv4Address + size) is the highest IP address to lease.
  * @return none
  */
 public DHCPPool(IPv4Address startingIPv4Address, int size, Logger log) {
   this.log = log;
   int IPv4AsInt = startingIPv4Address.getInt();
   this.setPoolSize(size);
   this.setPoolAvailability(size);
   STARTING_ADDRESS = startingIPv4Address;
   for (int i = 0; i < size; i++) {
     DHCP_POOL.add(new DHCPBinding(IPv4Address.of(IPv4AsInt + i), UNASSIGNED_MAC));
   }
 }
    @Override
    public OFOxmArpTpaMasked readFrom(ChannelBuffer bb) throws OFParseError {
      // fixed value property typeLen == 0x80002f08L
      int typeLen = bb.readInt();
      if (typeLen != (int) 0x80002f08)
        throw new OFParseError("Wrong typeLen: Expected=0x80002f08L(0x80002f08L), got=" + typeLen);
      IPv4Address value = IPv4Address.read4Bytes(bb);
      IPv4Address mask = IPv4Address.read4Bytes(bb);

      OFOxmArpTpaMaskedVer12 oxmArpTpaMaskedVer12 = new OFOxmArpTpaMaskedVer12(value, mask);
      if (logger.isTraceEnabled()) logger.trace("readFrom - read={}", oxmArpTpaMaskedVer12);
      return oxmArpTpaMaskedVer12;
    }
Example #6
0
 /**
  * Adds an IP address to the DHCPPool if the address is not already present. If present, nothing
  * is added to the DHCPPool.
  *
  * @param {@code byte[]} ip: The IP address to attempt to add to the DHCPPool
  * @return {@code DHCPBinding}: Reference to the DHCPBinding object if successful, null if
  *     unsuccessful
  */
 public DHCPBinding addIPv4ToDHCPPool(IPv4Address ip) {
   DHCPBinding binding = null;
   if (this.getDHCPbindingFromIPv4(ip) == null) {
     if (ip.getInt() < STARTING_ADDRESS.getInt()) {
       STARTING_ADDRESS = ip;
     }
     binding = new DHCPBinding(ip, null);
     DHCP_POOL.add(binding);
     this.setPoolSize(this.getPoolSize() + 1);
     this.setPoolFull(false);
   }
   return binding;
 }
    @Override
    public OFOxmTunnelIpv4SrcMasked readFrom(ByteBuf bb) throws OFParseError {
      // fixed value property typeLen == 0x13f08L
      int typeLen = bb.readInt();
      if (typeLen != 0x13f08)
        throw new OFParseError("Wrong typeLen: Expected=0x13f08L(0x13f08L), got=" + typeLen);
      IPv4Address value = IPv4Address.read4Bytes(bb);
      IPv4Address mask = IPv4Address.read4Bytes(bb);

      OFOxmTunnelIpv4SrcMaskedVer13 oxmTunnelIpv4SrcMaskedVer13 =
          new OFOxmTunnelIpv4SrcMaskedVer13(value, mask);
      if (logger.isTraceEnabled()) logger.trace("readFrom - read={}", oxmTunnelIpv4SrcMaskedVer13);
      return oxmTunnelIpv4SrcMaskedVer13;
    }
  @Override
  public boolean equals(Object obj) {
    if (this == obj) return true;
    if (obj == null) return false;
    if (getClass() != obj.getClass()) return false;
    OFOxmArpTpaMaskedVer12 other = (OFOxmArpTpaMaskedVer12) obj;

    if (value == null) {
      if (other.value != null) return false;
    } else if (!value.equals(other.value)) return false;
    if (mask == null) {
      if (other.mask != null) return false;
    } else if (!mask.equals(other.mask)) return false;
    return true;
  }
  private OFAction buildL3Modification(Instruction i) {
    L3ModificationInstruction l3m = (L3ModificationInstruction) i;
    ModIPInstruction ip;
    Ip4Address ip4;
    Ip6Address ip6;
    OFOxm<?> oxm = null;
    switch (l3m.subtype()) {
      case IPV4_SRC:
        ip = (ModIPInstruction) i;
        ip4 = ip.ip().getIp4Address();
        oxm = factory().oxms().ipv4Src(IPv4Address.of(ip4.toInt()));
        break;
      case IPV4_DST:
        ip = (ModIPInstruction) i;
        ip4 = ip.ip().getIp4Address();
        oxm = factory().oxms().ipv4Dst(IPv4Address.of(ip4.toInt()));
        break;
      case IPV6_SRC:
        ip = (ModIPInstruction) i;
        ip6 = ip.ip().getIp6Address();
        oxm = factory().oxms().ipv6Src(IPv6Address.of(ip6.toOctets()));
        break;
      case IPV6_DST:
        ip = (ModIPInstruction) i;
        ip6 = ip.ip().getIp6Address();
        oxm = factory().oxms().ipv6Dst(IPv6Address.of(ip6.toOctets()));
        break;
      case IPV6_FLABEL:
        ModIPv6FlowLabelInstruction flowLabelInstruction = (ModIPv6FlowLabelInstruction) i;
        int flowLabel = flowLabelInstruction.flowLabel();
        oxm = factory().oxms().ipv6Flabel(IPv6FlowLabel.of(flowLabel));
        break;
      case DEC_TTL:
        return factory().actions().decNwTtl();
      case TTL_IN:
        return factory().actions().copyTtlIn();
      case TTL_OUT:
        return factory().actions().copyTtlOut();
      default:
        log.warn("Unimplemented action type {}.", l3m.subtype());
        break;
    }

    if (oxm != null) {
      return factory().actions().buildSetField().setField(oxm).build();
    }
    return null;
  }
  @Override
  public int hashCode() {
    final int prime = 31;
    int result = 1;

    result = prime * result + ((nwAddr == null) ? 0 : nwAddr.hashCode());
    return result;
  }
Example #11
0
File: ARP.java Project: jmdbo/CGR
 @Override
 public int hashCode() {
   final int prime = 31;
   int result = super.hashCode();
   result = prime * result + hardwareAddressLength;
   result = prime * result + hardwareType;
   result = prime * result + ((opCode == null) ? 0 : opCode.hashCode());
   result = prime * result + protocolAddressLength;
   result = prime * result + protocolType;
   result =
       prime * result + ((senderHardwareAddress == null) ? 0 : senderHardwareAddress.hashCode());
   result =
       prime * result + ((senderProtocolAddress == null) ? 0 : senderProtocolAddress.hashCode());
   result =
       prime * result + ((targetHardwareAddress == null) ? 0 : targetHardwareAddress.hashCode());
   result =
       prime * result + ((targetProtocolAddress == null) ? 0 : targetProtocolAddress.hashCode());
   return result;
 }
  @Override
  public boolean equals(Object obj) {
    if (this == obj) return true;
    if (obj == null) return false;
    if (getClass() != obj.getClass()) return false;
    OFActionSetNwDstVer11 other = (OFActionSetNwDstVer11) obj;

    if (nwAddr == null) {
      if (other.nwAddr != null) return false;
    } else if (!nwAddr.equals(other.nwAddr)) return false;
    return true;
  }
Example #13
0
 /**
  * Completely removes the DHCPBinding object with IP address {@code byte[]} ip from the DHCPPool
  *
  * @param {@code byte[]} ip: The IP address to remove from the pool. This address will not be
  *     available for lease after removal.
  * @return none
  */
 public void removeIPv4FromDHCPPool(IPv4Address ip) {
   if (ip == null || getDHCPbindingFromIPv4(ip) == null) return;
   if (ip.equals(STARTING_ADDRESS)) {
     DHCPBinding lowest = null;
     // Locate the lowest address (other than ip), which will be the new starting address
     for (DHCPBinding binding : DHCP_POOL) {
       if (lowest == null) {
         lowest = binding;
       } else if (binding.getIPv4Address().getInt() < lowest.getIPv4Address().getInt()
           && !binding.getIPv4Address().equals(ip)) {
         lowest = binding;
       }
     }
     // lowest is new starting address
     STARTING_ADDRESS = lowest.getIPv4Address();
   }
   DHCP_POOL.remove(this.getDHCPbindingFromIPv4(ip));
   this.setPoolSize(this.getPoolSize() - 1);
   this.setPoolAvailability(this.getPoolAvailability() - 1);
   if (this.getPoolAvailability() == 0) this.setPoolFull(true);
 }
    @Override
    public OFActionSetNwDst readFrom(ChannelBuffer bb) throws OFParseError {
      int start = bb.readerIndex();
      // fixed value property type == 6
      short type = bb.readShort();
      if (type != (short) 0x6)
        throw new OFParseError("Wrong type: Expected=OFActionType.SET_NW_DST(6), got=" + type);
      int length = U16.f(bb.readShort());
      if (length != 8) throw new OFParseError("Wrong length: Expected=8(8), got=" + length);
      if (bb.readableBytes() + (bb.readerIndex() - start) < length) {
        // Buffer does not have all data yet
        bb.readerIndex(start);
        return null;
      }
      if (logger.isTraceEnabled()) logger.trace("readFrom - length={}", length);
      IPv4Address nwAddr = IPv4Address.read4Bytes(bb);

      OFActionSetNwDstVer11 actionSetNwDstVer11 = new OFActionSetNwDstVer11(nwAddr);
      if (logger.isTraceEnabled()) logger.trace("readFrom - read={}", actionSetNwDstVer11);
      return actionSetNwDstVer11;
    }
Example #15
0
  /**
   * Auxiliary method obtain the JSON fields and their values
   *
   * @param fmJson
   * @param sv
   */
  public static void jsonConverter(String fmJson, IStatsService sv) {

    MappingJsonFactory f = new MappingJsonFactory();
    JsonParser jp;
    try {
      try {
        jp = f.createJsonParser(fmJson);
      } catch (JsonParseException e) {
        throw new IOException(e);
      }

      jp.nextToken();
      if (jp.getCurrentToken() != JsonToken.START_OBJECT) {
        throw new IOException("Expected START_OBJECT");
      }

      while (jp.nextToken() != JsonToken.END_OBJECT) {
        if (jp.getCurrentToken() != JsonToken.FIELD_NAME) {
          throw new IOException("Expected FIELD_NAME");
        }

        String n = jp.getCurrentName();
        jp.nextToken();
        if (jp.getText().equals("")) {
          continue;
        }

        // This assumes user having dpid info for involved switches
        else if (n.equalsIgnoreCase("srcDpid")) {
          try {
            srcId = DatapathId.of(jp.getText());
          } catch (NumberFormatException e) {
            log.error("Unable to parse switch DPID: {}", jp.getText());
            // TODO should return some error message via HTTP message
          }
        } else if (n.equalsIgnoreCase("dstDpid")) {
          try {
            dstId = DatapathId.of(jp.getText());
          } catch (NumberFormatException e) {
            log.error("Unable to parse switch DPID: {}", jp.getText());
            // TODO should return some error message via HTTP message
          }
        } else if (n.equalsIgnoreCase("srcIp")) {
          try {
            srcIp = IPv4Address.of(jp.getText());
          } catch (NumberFormatException e) {
            log.error("Unable to parse IP srcIp: {}", jp.getText());
            // TODO should return some error message via HTTP message
          }
        } else if (n.equalsIgnoreCase("dstIp")) {
          try {
            dstIp = IPv4Address.of(jp.getText());
          } catch (NumberFormatException e) {
            log.error("Unable to parse IP dstIp: {}", jp.getText());
            // TODO should return some error message via HTTP message
          }
        } else if (n.equalsIgnoreCase("loss")) {
          try {
            loss = Integer.parseInt(jp.getText());
          } catch (NumberFormatException e) {
            log.error("Unable to parse loss: {}", jp.getText());
            // TODO should return some error message via HTTP message
          }
        }
      }

    } catch (IOException e) {
      log.error("Unable to parse JSON string: {}", e);
    }
  }
Example #16
0
File: ARP.java Project: jmdbo/CGR
  /** @return True if gratuitous ARP (SPA = TPA), false otherwise */
  public boolean isGratuitous() {
    assert (senderProtocolAddress.getLength() == targetProtocolAddress.getLength());

    return senderProtocolAddress.equals(targetProtocolAddress);
  }