PCEP modificaton to support PCEP-LS
Change-Id: Ic829dd17b0398ad76ec412b4e8293de564b5b56b
diff --git a/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/LsCapabilityTlv.java b/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/LsCapabilityTlv.java
new file mode 100644
index 0000000..549ac38
--- /dev/null
+++ b/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/LsCapabilityTlv.java
@@ -0,0 +1,181 @@
+/*
+ * 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;
+
+/**
+ * Provides TED Capability Tlv.
+ */
+public class LsCapabilityTlv implements PcepValueType {
+
+ /*
+ * Reference :draft-dhodylee-pce-pcep-ls-01, section 9.1.1.
+ * 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=[TBD5] | Length=4 |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | Flags |R|
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ */
+
+ protected static final Logger log = LoggerFactory.getLogger(LsCapabilityTlv.class);
+
+ public static final short TYPE = (short) 65280;
+ public static final short LENGTH = 4;
+ public static final int SET = 1;
+ public static final byte RFLAG_CHECK = 0x01;
+
+ private final boolean rFlag;
+ private final int rawValue;
+ private final boolean isRawValueSet;
+
+ /**
+ * Constructor to initialize raw Value.
+ *
+ * @param rawValue Flags
+ */
+ public LsCapabilityTlv(final int rawValue) {
+ this.rawValue = rawValue;
+ this.isRawValueSet = true;
+ int temp = rawValue;
+ temp = temp & RFLAG_CHECK;
+ if (temp == SET) {
+ this.rFlag = true;
+ } else {
+ this.rFlag = false;
+ }
+
+ }
+
+ /**
+ * Constructor to initialize rFlag.
+ *
+ * @param rFlag R-flag
+ */
+ public LsCapabilityTlv(boolean rFlag) {
+ this.rFlag = rFlag;
+ this.rawValue = 0;
+ this.isRawValueSet = false;
+ }
+
+ /**
+ * Returns R-flag.
+ *
+ * @return rFlag
+ */
+ public boolean getrFlag() {
+ return rFlag;
+ }
+
+ /**
+ * Returns an object of LsCapabilityTlv.
+ *
+ * @param raw value Flags
+ * @return object of LsCapabilityTlv
+ */
+ public static LsCapabilityTlv of(final int raw) {
+ return new LsCapabilityTlv(raw);
+ }
+
+ @Override
+ public PcepVersion getVersion() {
+ return PcepVersion.PCEP_1;
+ }
+
+ public int getInt() {
+ return rawValue;
+ }
+
+ @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(rFlag);
+ }
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (this == obj) {
+ return true;
+ }
+ if (obj instanceof LsCapabilityTlv) {
+ LsCapabilityTlv other = (LsCapabilityTlv) obj;
+ if (isRawValueSet) {
+ return Objects.equals(this.rawValue, other.rawValue);
+ } else {
+ return Objects.equals(this.rFlag, other.rFlag);
+ }
+ }
+ return false;
+ }
+
+ @Override
+ public int write(ChannelBuffer c) {
+ int iStartIndex = c.writerIndex();
+ int temp = 0;
+ c.writeShort(TYPE);
+ c.writeShort(LENGTH);
+ if (isRawValueSet) {
+ c.writeInt(rawValue);
+ } else {
+ if (rFlag) {
+ temp = temp | RFLAG_CHECK;
+ }
+ c.writeInt(temp);
+ }
+ return c.writerIndex() - iStartIndex;
+ }
+
+ /**
+ * Reads channel buffer and returns object of LsCapabilityTlv.
+ *
+ * @param c input channel buffer
+ * @return object of LsCapabilityTlv
+ */
+ public static LsCapabilityTlv read(ChannelBuffer c) {
+ return LsCapabilityTlv.of(c.readInt());
+ }
+
+ @Override
+ public String toString() {
+ return MoreObjects.toStringHelper(getClass())
+ .add("Type", TYPE)
+ .add("Length", LENGTH)
+ .add("Value", rawValue)
+ .toString();
+ }
+}