diff options
Diffstat (limited to 'framework/src/onos/utils/misc/src/main/java/org/onlab/packet/ndp/Redirect.java')
| -rw-r--r-- | framework/src/onos/utils/misc/src/main/java/org/onlab/packet/ndp/Redirect.java | 225 |
1 files changed, 0 insertions, 225 deletions
diff --git a/framework/src/onos/utils/misc/src/main/java/org/onlab/packet/ndp/Redirect.java b/framework/src/onos/utils/misc/src/main/java/org/onlab/packet/ndp/Redirect.java deleted file mode 100644 index 51256d41..00000000 --- a/framework/src/onos/utils/misc/src/main/java/org/onlab/packet/ndp/Redirect.java +++ /dev/null @@ -1,225 +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.ndp; - -import org.onlab.packet.BasePacket; -import org.onlab.packet.Deserializer; -import org.onlab.packet.IPacket; -import org.onlab.packet.Ip6Address; - -import java.nio.ByteBuffer; -import java.util.Arrays; -import java.util.List; - -import static org.onlab.packet.PacketUtils.checkInput; - -/** - * Implements ICMPv6 Redirect packet format. (RFC 4861) - */ -public class Redirect extends BasePacket { - public static final byte HEADER_LENGTH = 36; // bytes - - protected byte[] targetAddress = new byte[Ip6Address.BYTE_LENGTH]; - protected byte[] destinationAddress = new byte[Ip6Address.BYTE_LENGTH]; - - private final NeighborDiscoveryOptions options = - new NeighborDiscoveryOptions(); - - /** - * Gets target address. - * - * @return the target IPv6 address - */ - public byte[] getTargetAddress() { - return this.targetAddress; - } - - /** - * Sets target address. - * - * @param targetAddress the target IPv6 address to set - * @return this - */ - public Redirect setTargetAddress(final byte[] targetAddress) { - this.targetAddress = - Arrays.copyOfRange(targetAddress, 0, Ip6Address.BYTE_LENGTH); - return this; - } - - /** - * Gets destination address. - * - * @return the destination IPv6 address - */ - public byte[] getDestinationAddress() { - return this.destinationAddress; - } - - /** - * Sets destination address. - * - * @param destinationAddress the destination IPv6 address to set - * @return this - */ - public Redirect setDestinationAddress(final byte[] destinationAddress) { - this.destinationAddress = - Arrays.copyOfRange(destinationAddress, 0, Ip6Address.BYTE_LENGTH); - return this; - } - - /** - * Gets the Neighbor Discovery Protocol packet options. - * - * @return the Neighbor Discovery Protocol packet options - */ - public List<NeighborDiscoveryOptions.Option> getOptions() { - return this.options.options(); - } - - /** - * Adds a Neighbor Discovery Protocol packet option. - * - * @param type the option type - * @param data the option data - * @return this - */ - public Redirect addOption(final byte type, final byte[] data) { - this.options.addOption(type, data); - return this; - } - - @Override - public byte[] serialize() { - byte[] optionsData = null; - if (this.options.hasOptions()) { - optionsData = this.options.serialize(); - } - - int optionsLength = 0; - if (optionsData != null) { - optionsLength = optionsData.length; - } - - final byte[] data = new byte[HEADER_LENGTH + optionsLength]; - final ByteBuffer bb = ByteBuffer.wrap(data); - - bb.putInt(0); - bb.put(this.targetAddress, 0, Ip6Address.BYTE_LENGTH); - bb.put(this.destinationAddress, 0, Ip6Address.BYTE_LENGTH); - if (optionsData != null) { - bb.put(optionsData); - } - - return data; - } - - @Override - public IPacket deserialize(byte[] data, int offset, int length) { - final ByteBuffer bb = ByteBuffer.wrap(data, offset, length); - - bb.getInt(); - bb.get(this.targetAddress, 0, Ip6Address.BYTE_LENGTH); - bb.get(this.destinationAddress, 0, Ip6Address.BYTE_LENGTH); - - this.options.deserialize(data, bb.position(), - bb.limit() - bb.position()); - - return this; - } - - /* - * (non-Javadoc) - * - * @see java.lang.Object#hashCode() - */ - @Override - public int hashCode() { - final int prime = 5807; - int result = super.hashCode(); - ByteBuffer bb; - bb = ByteBuffer.wrap(this.targetAddress); - for (int i = 0; i < this.targetAddress.length / 4; i++) { - result = prime * result + bb.getInt(); - } - bb = ByteBuffer.wrap(this.destinationAddress); - for (int i = 0; i < this.destinationAddress.length / 4; i++) { - result = prime * result + bb.getInt(); - } - result = prime * result + this.options.hashCode(); - 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 Redirect)) { - return false; - } - final Redirect other = (Redirect) obj; - if (!Arrays.equals(this.targetAddress, other.targetAddress)) { - return false; - } - if (!Arrays.equals(this.destinationAddress, - other.destinationAddress)) { - return false; - } - if (!this.options.equals(other.options)) { - return false; - } - return true; - } - - /** - * Deserializer function for redirect packets. - * - * @return deserializer function - */ - public static Deserializer<Redirect> deserializer() { - return (data, offset, length) -> { - checkInput(data, offset, length, HEADER_LENGTH); - - Redirect redirect = new Redirect(); - - ByteBuffer bb = ByteBuffer.wrap(data, offset, length); - - bb.getInt(); - - bb.get(redirect.targetAddress, 0, Ip6Address.BYTE_LENGTH); - bb.get(redirect.destinationAddress, 0, Ip6Address.BYTE_LENGTH); - - if (bb.limit() - bb.position() > 0) { - NeighborDiscoveryOptions options = NeighborDiscoveryOptions.deserializer() - .deserialize(data, bb.position(), bb.limit() - bb.position()); - - for (NeighborDiscoveryOptions.Option option : options.options()) { - redirect.addOption(option.type(), option.data()); - } - } - - return redirect; - }; - } -} |