PCEP modificaton to support PCEP-LS
Change-Id: Ic829dd17b0398ad76ec412b4e8293de564b5b56b
diff --git a/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/MplsProtocolMaskSubTlv.java b/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/MplsProtocolMaskSubTlv.java
new file mode 100644
index 0000000..d47dc21
--- /dev/null
+++ b/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/MplsProtocolMaskSubTlv.java
@@ -0,0 +1,200 @@
+/*
+ * 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 MPLS Protocol Mask.
+ */
+public class MplsProtocolMaskSubTlv implements PcepValueType {
+
+ /* Reference :[I-D.ietf-idr-ls-distribution]/3.3.2.2
+ * 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=TDB39 | Length =1 |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ |L|R| Reserved |
+ +-+-+-+-+-+-+-+-+
+ */
+ protected static final Logger log = LoggerFactory.getLogger(MplsProtocolMaskSubTlv.class);
+
+ public static final short TYPE = 28;
+ public static final short LENGTH = 1;
+ public static final byte LFLAG_SET = (byte) 0x80;
+ public static final byte RFLAG_SET = 0x40;
+
+ private final byte rawValue;
+ private final boolean bLFlag;
+ private final boolean bRFlag;
+ private final boolean isRawValueSet;
+
+ /**
+ * constructor to initialize rawValue.
+ *
+ * @param rawValue MPLS Protocol Mask Flag Bits
+ */
+ public MplsProtocolMaskSubTlv(byte rawValue) {
+ this.rawValue = rawValue;
+ this.isRawValueSet = true;
+ this.bLFlag = (rawValue & LFLAG_SET) == LFLAG_SET;
+ this.bRFlag = (rawValue & RFLAG_SET) == RFLAG_SET;
+ }
+
+ /**
+ * constructor to initialize different Flags.
+ *
+ * @param bLFlag L-flag
+ * @param bRFlag R-flag
+ */
+ public MplsProtocolMaskSubTlv(boolean bLFlag, boolean bRFlag) {
+ this.bLFlag = bLFlag;
+ this.bRFlag = bRFlag;
+ this.rawValue = 0;
+ isRawValueSet = false;
+ }
+
+ /**
+ * Returns newly created MPLSProtocolMaskTlv object.
+ *
+ * @param raw MPLS Protocol Mask Tlv
+ * @return new object of MPLS Protocol Mask Tlv
+ */
+ public static MplsProtocolMaskSubTlv of(final byte raw) {
+ return new MplsProtocolMaskSubTlv(raw);
+ }
+
+ /**
+ * Returns L-flag.
+ *
+ * @return bLFlag L-flag
+ */
+ public boolean getbLFlag() {
+ return bLFlag;
+ }
+
+ /**
+ * Returns R-flag.
+ *
+ * @return bRFlag R-flag
+ */
+ public boolean getbRFlag() {
+ return bRFlag;
+ }
+
+ /**
+ * Returns raw value.
+ *
+ * @return rawValue raw value
+ */
+ public byte getByte() {
+ 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() {
+ if (isRawValueSet) {
+ return Objects.hash(rawValue);
+ } else {
+ return Objects.hash(bLFlag, bRFlag);
+ }
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (this == obj) {
+ return true;
+ }
+ if (obj instanceof MplsProtocolMaskSubTlv) {
+ MplsProtocolMaskSubTlv other = (MplsProtocolMaskSubTlv) obj;
+ if (isRawValueSet) {
+ return Objects.equals(this.rawValue, other.rawValue);
+ } else {
+ return Objects.equals(this.bLFlag, other.bLFlag) && Objects.equals(this.bRFlag, other.bRFlag);
+ }
+ }
+ 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 (bLFlag) {
+ temp = (byte) (temp | LFLAG_SET);
+ }
+ if (bRFlag) {
+ temp = (byte) (temp | RFLAG_SET);
+ }
+ c.writeByte(temp);
+ }
+ return c.writerIndex() - iLenStartIndex;
+ }
+
+ /**
+ * Reads the channel buffer and returns object of MPLS Protocol Mask Tlv.
+ *
+ * @param c input channel buffer
+ * @return object of MPLS Protocol Mask Tlv
+ */
+ public static PcepValueType read(ChannelBuffer c) {
+ byte temp = c.readByte();
+ boolean bLFlag;
+ boolean bRFlag;
+
+ bLFlag = (temp & LFLAG_SET) == LFLAG_SET;
+ bRFlag = (temp & RFLAG_SET) == RFLAG_SET;
+
+ return new MplsProtocolMaskSubTlv(bLFlag, bRFlag);
+ }
+
+ @Override
+ public String toString() {
+ return MoreObjects.toStringHelper(getClass())
+ .add("Type", TYPE)
+ .add("Length", LENGTH)
+ .add("Value", rawValue)
+ .toString();
+ }
+}