diff options
Diffstat (limited to 'framework/src/onos/utils/misc/src/main/java/org/onlab/packet/IPv6.java')
| -rw-r--r-- | framework/src/onos/utils/misc/src/main/java/org/onlab/packet/IPv6.java | 384 |
1 files changed, 0 insertions, 384 deletions
diff --git a/framework/src/onos/utils/misc/src/main/java/org/onlab/packet/IPv6.java b/framework/src/onos/utils/misc/src/main/java/org/onlab/packet/IPv6.java deleted file mode 100644 index 2e59632a..00000000 --- a/framework/src/onos/utils/misc/src/main/java/org/onlab/packet/IPv6.java +++ /dev/null @@ -1,384 +0,0 @@ -/* - * Copyright 2014-2015 Open Networking Laboratory - * - * 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.onlab.packet; - -import org.onlab.packet.ipv6.Authentication; -import org.onlab.packet.ipv6.DestinationOptions; -import org.onlab.packet.ipv6.EncapSecurityPayload; -import org.onlab.packet.ipv6.Fragment; -import org.onlab.packet.ipv6.HopByHopOptions; -import org.onlab.packet.ipv6.IExtensionHeader; -import org.onlab.packet.ipv6.Routing; - -import java.nio.ByteBuffer; -import java.util.Arrays; -import java.util.HashMap; -import java.util.Map; - -import static org.onlab.packet.PacketUtils.checkInput; - -/** - * Implements IPv6 packet format. (RFC 2460) - */ -public class IPv6 extends BasePacket implements IExtensionHeader { - public static final byte FIXED_HEADER_LENGTH = 40; // bytes - - public static final byte PROTOCOL_TCP = 0x6; - public static final byte PROTOCOL_UDP = 0x11; - public static final byte PROTOCOL_ICMP6 = 0x3A; - public static final byte PROTOCOL_HOPOPT = 0x00; - public static final byte PROTOCOL_ROUTING = 0x2B; - public static final byte PROTOCOL_FRAG = 0x2C; - public static final byte PROTOCOL_ESP = 0x32; - public static final byte PROTOCOL_AH = 0x33; - public static final byte PROTOCOL_DSTOPT = 0x3C; - - - public static final Map<Byte, Deserializer<? extends IPacket>> PROTOCOL_DESERIALIZER_MAP = - new HashMap<>(); - - static { - IPv6.PROTOCOL_DESERIALIZER_MAP.put(IPv6.PROTOCOL_ICMP6, ICMP6.deserializer()); - IPv6.PROTOCOL_DESERIALIZER_MAP.put(IPv6.PROTOCOL_TCP, TCP.deserializer()); - IPv6.PROTOCOL_DESERIALIZER_MAP.put(IPv6.PROTOCOL_UDP, UDP.deserializer()); - IPv6.PROTOCOL_DESERIALIZER_MAP.put(IPv6.PROTOCOL_HOPOPT, HopByHopOptions.deserializer()); - IPv6.PROTOCOL_DESERIALIZER_MAP.put(IPv6.PROTOCOL_ROUTING, Routing.deserializer()); - IPv6.PROTOCOL_DESERIALIZER_MAP.put(IPv6.PROTOCOL_FRAG, Fragment.deserializer()); - IPv6.PROTOCOL_DESERIALIZER_MAP.put(IPv6.PROTOCOL_ESP, EncapSecurityPayload.deserializer()); - IPv6.PROTOCOL_DESERIALIZER_MAP.put(IPv6.PROTOCOL_AH, Authentication.deserializer()); - IPv6.PROTOCOL_DESERIALIZER_MAP.put(IPv6.PROTOCOL_DSTOPT, DestinationOptions.deserializer()); - } - - protected byte version; - protected byte trafficClass; - protected int flowLabel; - protected short payloadLength; - protected byte nextHeader; - protected byte hopLimit; - protected byte[] sourceAddress = new byte[Ip6Address.BYTE_LENGTH]; - protected byte[] destinationAddress = new byte[Ip6Address.BYTE_LENGTH]; - - /** - * Default constructor that sets the version to 6. - */ - public IPv6() { - super(); - this.version = 6; - } - - /** - * Gets IP version. - * - * @return the IP version - */ - public byte getVersion() { - return this.version; - } - - /** - * Sets IP version. - * - * @param version the IP version to set - * @return this - */ - public IPv6 setVersion(final byte version) { - this.version = version; - return this; - } - - /** - * Gets traffic class. - * - * @return the traffic class - */ - public byte getTrafficClass() { - return this.trafficClass; - } - - /** - * Sets traffic class. - * - * @param trafficClass the traffic class to set - * @return this - */ - public IPv6 setTrafficClass(final byte trafficClass) { - this.trafficClass = trafficClass; - return this; - } - - /** - * Gets flow label. - * - * @return the flow label - */ - public int getFlowLabel() { - return this.flowLabel; - } - - /** - * Sets flow label. - * - * @param flowLabel the flow label to set - * @return this - */ - public IPv6 setFlowLabel(final int flowLabel) { - this.flowLabel = flowLabel; - return this; - } - - @Override - public byte getNextHeader() { - return this.nextHeader; - } - - @Override - public IPv6 setNextHeader(final byte nextHeader) { - this.nextHeader = nextHeader; - return this; - } - - /** - * Gets hop limit. - * - * @return the hop limit - */ - public byte getHopLimit() { - return this.hopLimit; - } - - /** - * Sets hop limit. - * - * @param hopLimit the hop limit to set - * @return this - */ - public IPv6 setHopLimit(final byte hopLimit) { - this.hopLimit = hopLimit; - return this; - } - - /** - * Gets source address. - * - * @return the IPv6 source address - */ - public byte[] getSourceAddress() { - return this.sourceAddress; - } - - /** - * Sets source address. - * - * @param sourceAddress the IPv6 source address to set - * @return this - */ - public IPv6 setSourceAddress(final byte[] sourceAddress) { - this.sourceAddress = Arrays.copyOfRange(sourceAddress, 0, Ip6Address.BYTE_LENGTH); - return this; - } - - /** - * Gets destination address. - * - * @return the IPv6 destination address - */ - public byte[] getDestinationAddress() { - return this.destinationAddress; - } - - /** - * Sets destination address. - * - * @param destinationAddress the IPv6 destination address to set - * @return this - */ - public IPv6 setDestinationAddress(final byte[] destinationAddress) { - this.destinationAddress = Arrays.copyOfRange(destinationAddress, 0, Ip6Address.BYTE_LENGTH); - return this; - } - - @Override - public byte[] serialize() { - byte[] payloadData = null; - if (this.payload != null) { - this.payload.setParent(this); - payloadData = this.payload.serialize(); - } - - this.payloadLength = 0; - if (payloadData != null) { - this.payloadLength = (short) payloadData.length; - } - - final byte[] data = new byte[FIXED_HEADER_LENGTH + payloadLength]; - final ByteBuffer bb = ByteBuffer.wrap(data); - - bb.putInt((this.version & 0xf) << 28 | (this.trafficClass & 0xff) << 20 | this.flowLabel & 0xfffff); - bb.putShort(this.payloadLength); - bb.put(this.nextHeader); - bb.put(this.hopLimit); - bb.put(this.sourceAddress, 0, Ip6Address.BYTE_LENGTH); - bb.put(this.destinationAddress, 0, Ip6Address.BYTE_LENGTH); - - if (payloadData != null) { - bb.put(payloadData); - } - - return data; - } - - @Override - public IPacket deserialize(final byte[] data, final int offset, - final int length) { - final ByteBuffer bb = ByteBuffer.wrap(data, offset, length); - int iscratch; - - iscratch = bb.getInt(); - this.version = (byte) (iscratch >> 28 & 0xf); - this.trafficClass = (byte) (iscratch >> 20 & 0xff); - this.flowLabel = iscratch & 0xfffff; - this.payloadLength = bb.getShort(); - this.nextHeader = bb.get(); - this.hopLimit = bb.get(); - bb.get(this.sourceAddress, 0, Ip6Address.BYTE_LENGTH); - bb.get(this.destinationAddress, 0, Ip6Address.BYTE_LENGTH); - - Deserializer<? extends IPacket> deserializer; - if (IPv6.PROTOCOL_DESERIALIZER_MAP.containsKey(this.nextHeader)) { - deserializer = IPv6.PROTOCOL_DESERIALIZER_MAP.get(this.nextHeader); - } else { - deserializer = Data.deserializer(); - } - try { - this.payload = deserializer.deserialize(data, bb.position(), - bb.limit() - bb.position()); - this.payload.setParent(this); - } catch (DeserializationException e) { - return this; - } - - return this; - } - - /* - * (non-Javadoc) - * - * @see java.lang.Object#hashCode() - */ - @Override - public int hashCode() { - final int prime = 2521; - int result = super.hashCode(); - ByteBuffer bb; - bb = ByteBuffer.wrap(this.destinationAddress); - for (int i = 0; i < 4; i++) { - result = prime * result + bb.getInt(); - } - result = prime * result + this.trafficClass; - result = prime * result + this.flowLabel; - result = prime * result + this.hopLimit; - result = prime * result + this.nextHeader; - result = prime * result + this.payloadLength; - bb = ByteBuffer.wrap(this.sourceAddress); - for (int i = 0; i < 4; i++) { - result = prime * result + bb.getInt(); - } - result = prime * result + this.version; - return result; - } - - /* - * (non-Javadoc) - * - * @see java.lang.Object#equals(java.lang.Object) - */ - @Override - public boolean equals(final Object obj) { - if (this == obj) { - return true; - } - if (!super.equals(obj)) { - return false; - } - if (!(obj instanceof IPv6)) { - return false; - } - final IPv6 other = (IPv6) obj; - if (!Arrays.equals(this.destinationAddress, other.destinationAddress)) { - return false; - } - if (this.trafficClass != other.trafficClass) { - return false; - } - if (this.flowLabel != other.flowLabel) { - return false; - } - if (this.hopLimit != other.hopLimit) { - return false; - } - if (this.nextHeader != other.nextHeader) { - return false; - } - if (this.payloadLength != other.payloadLength) { - return false; - } - if (!Arrays.equals(this.sourceAddress, other.sourceAddress)) { - return false; - } - return true; - } - - /** - * Deserializer function for IPv6 packets. - * - * @return deserializer function - */ - public static Deserializer<IPv6> deserializer() { - return (data, offset, length) -> { - checkInput(data, offset, length, FIXED_HEADER_LENGTH); - - IPv6 ipv6 = new IPv6(); - - ByteBuffer bb = ByteBuffer.wrap(data, offset, length); - - int iscratch = bb.getInt(); - - ipv6.version = (byte) (iscratch >> 28 & 0xf); - ipv6.trafficClass = (byte) (iscratch >> 20 & 0xff); - ipv6.flowLabel = iscratch & 0xfffff; - ipv6.payloadLength = bb.getShort(); - ipv6.nextHeader = bb.get(); - ipv6.hopLimit = bb.get(); - bb.get(ipv6.sourceAddress, 0, Ip6Address.BYTE_LENGTH); - bb.get(ipv6.destinationAddress, 0, Ip6Address.BYTE_LENGTH); - - Deserializer<? extends IPacket> deserializer; - if (IPv6.PROTOCOL_DESERIALIZER_MAP.containsKey(ipv6.nextHeader)) { - deserializer = IPv6.PROTOCOL_DESERIALIZER_MAP.get(ipv6.nextHeader); - } else { - deserializer = Data.deserializer(); - } - ipv6.payload = deserializer.deserialize(data, bb.position(), - bb.limit() - bb.position()); - ipv6.payload.setParent(ipv6); - - return ipv6; - }; - } -} |