From e63291850fd0795c5700e25e67e5dee89ba54c5f Mon Sep 17 00:00:00 2001 From: Ashlee Young Date: Tue, 1 Dec 2015 05:49:27 -0800 Subject: onos commit hash c2999f30c69e50df905a9d175ef80b3f23a98514 Change-Id: I2bb8562c4942b6d6a6d60b663db2e17540477b81 Signed-off-by: Ashlee Young --- .../pcepio/types/IPv6NeighborAddressTlv.java | 179 +++++++++++++++++++++ 1 file changed, 179 insertions(+) create mode 100644 framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/IPv6NeighborAddressTlv.java (limited to 'framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/IPv6NeighborAddressTlv.java') diff --git a/framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/IPv6NeighborAddressTlv.java b/framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/IPv6NeighborAddressTlv.java new file mode 100644 index 00000000..fb9b98ac --- /dev/null +++ b/framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/IPv6NeighborAddressTlv.java @@ -0,0 +1,179 @@ +/* + * Copyright 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.onosproject.pcepio.types; + +import java.util.Arrays; + +import org.jboss.netty.buffer.ChannelBuffer; +import org.onosproject.pcepio.protocol.PcepVersion; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import com.google.common.base.MoreObjects; +import com.google.common.base.MoreObjects.ToStringHelper; + +/** + * Provides IPv6 Neighbor Address. Reference :[RFC6119]/4.3. + */ +public class IPv6NeighborAddressTlv implements PcepValueType { + protected static final Logger log = LoggerFactory.getLogger(IPv6NeighborAddressTlv.class); + + public static final short TYPE = 13; // TDB19 + public static final short LENGTH = 20; + public static final byte VALUE_LENGTH = 18; + + private static final byte[] NONE_VAL = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; + public static final IPv6NeighborAddressTlv NONE = new IPv6NeighborAddressTlv(NONE_VAL); + + private static final byte[] NO_MASK_VAL = {(byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, + (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, + (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF}; + public static final IPv6NeighborAddressTlv NO_MASK = new IPv6NeighborAddressTlv(NO_MASK_VAL); + public static final IPv6NeighborAddressTlv FULL_MASK = NONE; + + private final byte[] rawValue; + + /** + * Constructor to initialize rawValue. + * + * @param rawValue IPv6 Neighbor Address Tlv + */ + public IPv6NeighborAddressTlv(byte[] rawValue) { + this.rawValue = rawValue; + } + + /** + * Returns newly created IPv6NeighborAddressTlv object. + * + * @param raw IPv6 Neighbor Address + * @return object of IPv6 Neighbor Address Tlv + */ + public static IPv6NeighborAddressTlv of(final byte[] raw) { + //check NONE_VAL + boolean bFoundNONE = true; + //value starts from 3rd byte. + for (int i = 2; i < 20; ++i) { + if (NONE_VAL[i] != raw[i]) { + bFoundNONE = false; + } + } + + if (bFoundNONE) { + return NONE; + } + + //check NO_MASK_VAL + boolean bFoundNoMask = true; + //value starts from 3rd byte. + for (int i = 2; i < 20; ++i) { + if (0xFF != raw[i]) { + bFoundNoMask = false; + } + } + if (bFoundNoMask) { + return NO_MASK; + } + + return new IPv6NeighborAddressTlv(raw); + } + + /** + * Returns value of IPv6 Neighbor Address. + * + * @return rawValue raw value + */ + public byte[] getBytes() { + return rawValue; + } + + /** + * Returns value of IPv6 Neighbor Address. + * + * @return rawValue raw value + */ + public byte[] getValue() { + return rawValue; + } + + @Override + public PcepVersion getVersion() { + return PcepVersion.PCEP_1; + } + + @Override + public short getType() { + return TYPE; + } + + @Override + public short getLength() { + return LENGTH; + } + + @Override + public int hashCode() { + return Arrays.hashCode(rawValue); + } + + @Override + public boolean equals(Object obj) { + if (this == obj) { + return true; + } + if (obj instanceof IPv6NeighborAddressTlv) { + IPv6NeighborAddressTlv other = (IPv6NeighborAddressTlv) obj; + return Arrays.equals(rawValue, other.rawValue); + } + return false; + } + + @Override + public int write(ChannelBuffer c) { + int iStartIndex = c.writerIndex(); + c.writeShort(TYPE); + c.writeShort(LENGTH); + c.writeBytes(rawValue); + return c.writerIndex() - iStartIndex; + } + + /** + * Reads the channel buffer and returns object of IPv6NeighborAddressTlv. + * + * @param c input channel buffer + * @return object of IPv6NeighborAddressTlv + */ + public static IPv6NeighborAddressTlv read20Bytes(ChannelBuffer c) { + byte[] yTemp = new byte[20]; + c.readBytes(yTemp, 0, 20); + return IPv6NeighborAddressTlv.of(yTemp); + } + + @Override + public String toString() { + ToStringHelper toStrHelper = MoreObjects.toStringHelper(getClass()); + + toStrHelper.add("Type", TYPE); + toStrHelper.add("Length", LENGTH); + + StringBuffer result = new StringBuffer(); + for (byte b : rawValue) { + result.append(String.format("%02X ", b)); + } + toStrHelper.add("Value", result); + + return toStrHelper.toString(); + } +} -- cgit 1.2.3-korg