PCEP modificaton to support PCEP-LS
Change-Id: Ic829dd17b0398ad76ec412b4e8293de564b5b56b
diff --git a/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/NodeFlagBitsSubTlv.java b/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/NodeFlagBitsSubTlv.java
new file mode 100644
index 0000000..88b40f2
--- /dev/null
+++ b/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/NodeFlagBitsSubTlv.java
@@ -0,0 +1,233 @@
+/*
+ * 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.Objects;
+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;
+
+/**
+ * Provide node Flags bits.
+ */
+public class NodeFlagBitsSubTlv implements PcepValueType {
+
+ /* Reference :[I-D.ietf-idr- ls-distribution] /3.3.1.1
+ * 0 1 2 3
+ 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | Type=[TBD21] | Length=1 |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ |O|T|E|B| Reserved|
+ +-+-+-+-+-+-+-+-+-+
+ */
+
+ protected static final Logger log = LoggerFactory.getLogger(NodeFlagBitsSubTlv.class);
+
+ public static final short TYPE = 13;
+ public static final short LENGTH = 1;
+ public static final int SET = 1;
+ public static final byte OFLAG_SET = (byte) 0x80;
+ public static final byte TFLAG_SET = 0x40;
+ public static final byte EFLAG_SET = 0x20;
+ public static final byte BFLAG_SET = 0x10;
+
+ private final byte rawValue;
+ private final boolean bOFlag;
+ private final boolean bTFlag;
+ private final boolean bEFlag;
+ private final boolean bBFlag;
+ private final boolean isRawValueSet;
+
+ /**
+ * constructor to initialize rawValue.
+ *
+ * @param rawValue of Node Flag Bits TLV
+ */
+ public NodeFlagBitsSubTlv(byte rawValue) {
+ this.rawValue = rawValue;
+ isRawValueSet = true;
+ this.bOFlag = (rawValue & OFLAG_SET) == OFLAG_SET;
+ this.bTFlag = (rawValue & TFLAG_SET) == TFLAG_SET;
+ this.bEFlag = (rawValue & EFLAG_SET) == EFLAG_SET;
+ this.bBFlag = (rawValue & BFLAG_SET) == BFLAG_SET;
+ }
+
+ /**
+ * constructor to initialize different Flags.
+ *
+ * @param bOFlag O-flag
+ * @param bTFlag T-flag
+ * @param bEFlag E-flag
+ * @param bBFlag B-flag
+ */
+ public NodeFlagBitsSubTlv(boolean bOFlag, boolean bTFlag, boolean bEFlag, boolean bBFlag) {
+ this.bOFlag = bOFlag;
+ this.bTFlag = bTFlag;
+ this.bEFlag = bEFlag;
+ this.bBFlag = bBFlag;
+ this.rawValue = 0;
+ this.isRawValueSet = false;
+ }
+
+ /**
+ * Returns newly created NodeFlagBitsTlv object.
+ *
+ * @param raw of Node Flag Bits TLV
+ * @return new object of NodeFlagBitsTlv
+ */
+ public static NodeFlagBitsSubTlv of(final byte raw) {
+ return new NodeFlagBitsSubTlv(raw);
+ }
+
+ /**
+ * Returns raw value of NodeFlagBitsTlv.
+ *
+ * @return rawValue raw value
+ */
+ public byte getbyte() {
+ return rawValue;
+ }
+
+ /**
+ * Returns O-flag.
+ *
+ * @return bOFlag O-flag
+ */
+ public boolean getOFlag() {
+ return bOFlag;
+ }
+
+ /**
+ * Returns T-flag.
+ *
+ * @return bTFlag T-flag
+ */
+ public boolean getTFlag() {
+ return bTFlag;
+ }
+
+ /**
+ * Returns E-flag.
+ *
+ * @return bEFlag E-flag
+ */
+ public boolean getEFlag() {
+ return bEFlag;
+ }
+
+ /**
+ * Returns B-flag.
+ *
+ * @return bBFlag B-flag
+ */
+ public boolean getBFlag() {
+ return bBFlag;
+ }
+
+ @Override
+ public PcepVersion getVersion() {
+ return PcepVersion.PCEP_1;
+ }
+
+ @Override
+ public short getType() {
+ return TYPE;
+ }
+
+ @Override
+ public short getLength() {
+ return LENGTH;
+ }
+
+ @Override
+ public int hashCode() {
+ if (isRawValueSet) {
+ return Objects.hash(rawValue);
+ } else {
+ return Objects.hash(bOFlag, bTFlag, bEFlag, bBFlag);
+ }
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (this == obj) {
+ return true;
+ }
+ if (obj instanceof NodeFlagBitsSubTlv) {
+ NodeFlagBitsSubTlv other = (NodeFlagBitsSubTlv) obj;
+ if (isRawValueSet) {
+ return Objects.equals(this.rawValue, other.rawValue);
+ } else {
+ return Objects.equals(this.bOFlag, other.bOFlag) && Objects.equals(this.bTFlag, other.bTFlag)
+ && Objects.equals(this.bEFlag, other.bEFlag) && Objects.equals(this.bBFlag, other.bBFlag);
+ }
+ }
+ return false;
+ }
+
+ @Override
+ public int write(ChannelBuffer c) {
+ int iLenStartIndex = c.writerIndex();
+ c.writeShort(TYPE);
+ c.writeShort(LENGTH);
+ if (isRawValueSet) {
+ c.writeByte(rawValue);
+ } else {
+ byte temp = 0;
+ if (bOFlag) {
+ temp = (byte) (temp | OFLAG_SET);
+ }
+ if (bTFlag) {
+ temp = (byte) (temp | TFLAG_SET);
+ }
+ if (bEFlag) {
+ temp = (byte) (temp | EFLAG_SET);
+ }
+ if (bBFlag) {
+ temp = (byte) (temp | BFLAG_SET);
+ }
+ c.writeByte(temp);
+ }
+ return c.writerIndex() - iLenStartIndex;
+ }
+
+ /**
+ * Reads the channel buffer and returns object of NodeFlagBitsTlv.
+ *
+ * @param c input channel buffer
+ * @return object of NodeFlagBitsTlv
+ */
+ public static PcepValueType read(ChannelBuffer c) {
+
+ return NodeFlagBitsSubTlv.of(c.readByte());
+ }
+
+ @Override
+ public String toString() {
+ return MoreObjects.toStringHelper(getClass())
+ .add("Type", TYPE)
+ .add("Length", LENGTH)
+ .add("OFlag", (bOFlag) ? 1 : 0)
+ .add("TFlag", (bTFlag) ? 1 : 0)
+ .add("EFlag", (bEFlag) ? 1 : 0)
+ .add("BFlag", (bBFlag) ? 1 : 0)
+ .toString();
+ }
+}