[ONOS-2356] Implementation for PCEP label update message.
Change-Id: I510a9a7c7c868da1fc3d6e2625501f094faf8115
diff --git a/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepFecObjectIPv4UnnumberedAdjacencyVer1.java b/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepFecObjectIPv4UnnumberedAdjacencyVer1.java
new file mode 100644
index 0000000..f61fe67
--- /dev/null
+++ b/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepFecObjectIPv4UnnumberedAdjacencyVer1.java
@@ -0,0 +1,330 @@
+/*
+ * 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.protocol.ver1;
+
+import org.jboss.netty.buffer.ChannelBuffer;
+import org.onosproject.pcepio.exceptions.PcepParseException;
+import org.onosproject.pcepio.protocol.PcepFecObjectIPv4UnnumberedAdjacency;
+import org.onosproject.pcepio.protocol.PcepVersion;
+import org.onosproject.pcepio.types.PcepObjectHeader;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.google.common.base.MoreObjects;
+
+public class PcepFecObjectIPv4UnnumberedAdjacencyVer1 implements PcepFecObjectIPv4UnnumberedAdjacency {
+
+ /*
+ * ref : draft-zhao-pce-pcep-extension-for-pce-controller-01 , section : 7.5
+ *
+ 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
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | Local Node-ID |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | Local Interface ID |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | Remote Node-ID |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | Remote Interface ID |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+
+ FEC Object-Type is 5, Unnumbered Adjacency with IPv4 NodeIDs
+ */
+ protected static final Logger log = LoggerFactory.getLogger(PcepFecObjectIPv4UnnumberedAdjacencyVer1.class);
+
+ public static final byte FEC_OBJ_TYPE = 5;
+ public static final byte FEC_OBJ_CLASS = 63; //to be defined
+ public static final byte FEC_OBJECT_VERSION = 1;
+ public static final short FEC_OBJ_MINIMUM_LENGTH = 20;
+ public static final int MINIMUM_COMMON_HEADER_LENGTH = 4;
+
+ static final PcepObjectHeader DEFAULT_FEC_OBJECT_HEADER = new PcepObjectHeader(FEC_OBJ_CLASS, FEC_OBJ_TYPE,
+ PcepObjectHeader.REQ_OBJ_OPTIONAL_PROCESS, PcepObjectHeader.RSP_OBJ_PROCESSED, FEC_OBJ_MINIMUM_LENGTH);
+
+ private PcepObjectHeader fecObjHeader;
+ private int localNodeID;
+ private int localInterfaceID;
+ private int remoteNodeID;
+ private int remoteInterfaceID;
+
+ /**
+ * Constructor to initialize parameter for PCEP fec object.
+ *
+ * @param fecObjHeader fec object header
+ * @param localNodeID local node ID
+ * @param localInterfaceID local interface ID
+ * @param remoteNodeID remote node ID
+ * @param remoteInterfaceID remote interface ID
+ */
+ public PcepFecObjectIPv4UnnumberedAdjacencyVer1(PcepObjectHeader fecObjHeader, int localNodeID,
+ int localInterfaceID, int remoteNodeID, int remoteInterfaceID) {
+ this.fecObjHeader = fecObjHeader;
+ this.localNodeID = localNodeID;
+ this.localInterfaceID = localInterfaceID;
+ this.remoteNodeID = remoteNodeID;
+ this.remoteInterfaceID = remoteInterfaceID;
+ }
+
+ /**
+ * Sets Object Header.
+ *
+ * @param obj object header
+ */
+ public void setFecIpv4UnnumberedAdjacencyObjHeader(PcepObjectHeader obj) {
+ this.fecObjHeader = obj;
+ }
+
+ @Override
+ public void setLocalNodeID(int localNodeID) {
+ this.localNodeID = localNodeID;
+ }
+
+ /**
+ * Returns Object Header.
+ *
+ * @return fecObjHeader fec object header
+ */
+ public PcepObjectHeader getFecIpv4UnnumberedAdjacencyObjHeader() {
+ return this.fecObjHeader;
+ }
+
+ @Override
+ public int getLocalNodeID() {
+ return this.localNodeID;
+ }
+
+ @Override
+ public int getLocalInterfaceID() {
+ return this.localInterfaceID;
+ }
+
+ @Override
+ public void setLocalInterfaceID(int localInterfaceID) {
+ this.localInterfaceID = localInterfaceID;
+ }
+
+ @Override
+ public int getRemoteNodeID() {
+ return this.remoteNodeID;
+ }
+
+ @Override
+ public void setRemoteNodeID(int remoteNodeID) {
+ this.remoteNodeID = remoteNodeID;
+ }
+
+ @Override
+ public int getRemoteInterfaceID() {
+ return this.remoteInterfaceID;
+ }
+
+ @Override
+ public void setRemoteInterfaceID(int remoteInterfaceID) {
+ this.remoteInterfaceID = remoteInterfaceID;
+ }
+
+ /**
+ * Reads from channel buffer and returns object of PcepFecObjectIPv4UnnumberedAdjacency.
+ *
+ * @param cb of channel buffer
+ * @return object of PcepFecObjectIPv4UnnumberedAdjacency
+ * @throws PcepParseException when fails to read from channel buffer
+ */
+ public static PcepFecObjectIPv4UnnumberedAdjacency read(ChannelBuffer cb) throws PcepParseException {
+
+ PcepObjectHeader fecObjHeader;
+ int localNodeID;
+ int localInterfaceID;
+ int remoteNodeID;
+ int remoteInterfaceID;
+
+ fecObjHeader = PcepObjectHeader.read(cb);
+
+ //take only FEC IPv4 Unnumbered Adjacency Object buffer.
+ ChannelBuffer tempCb = cb.readBytes(fecObjHeader.getObjLen() - MINIMUM_COMMON_HEADER_LENGTH);
+ localNodeID = tempCb.readInt();
+ localInterfaceID = tempCb.readInt();
+ remoteNodeID = tempCb.readInt();
+ remoteInterfaceID = tempCb.readInt();
+
+ return new PcepFecObjectIPv4UnnumberedAdjacencyVer1(fecObjHeader, localNodeID, localInterfaceID, remoteNodeID,
+ remoteInterfaceID);
+ }
+
+ @Override
+ public int write(ChannelBuffer cb) throws PcepParseException {
+
+ int objStartIndex = cb.writerIndex();
+
+ //Write common header
+ int objLenIndex = fecObjHeader.write(cb);
+ cb.writeInt(localNodeID);
+ cb.writeInt(localInterfaceID);
+ cb.writeInt(remoteNodeID);
+ cb.writeInt(remoteInterfaceID);
+
+ //Now write FEC IPv4 Unnumbered Adjacency Object Length
+ cb.setShort(objLenIndex, (short) (cb.writerIndex() - objStartIndex));
+
+ return cb.writerIndex();
+ }
+
+ /**
+ * Builder class for PCEP Fec object IPv4 unnumbered Adjacency.
+ */
+ public static class Builder implements PcepFecObjectIPv4UnnumberedAdjacency.Builder {
+ private boolean bIsHeaderSet = false;
+ private boolean bIsLocalNodeIDset = false;
+ private boolean bIsLocalInterfaceIDset = false;
+ private boolean bIsRemoteNodeIDset = false;
+ private boolean bIsRemoteInterfaceIDset = false;
+
+ private PcepObjectHeader fecObjHeader;
+ private int localNodeID;
+ private int localInterfaceID;
+ private int remoteNodeID;
+ private int remoteInterfaceID;
+
+ private boolean bIsPFlagSet = false;
+ private boolean bPFlag;
+
+ private boolean bIsIFlagSet = false;
+ private boolean bIFlag;
+
+ @Override
+ public PcepFecObjectIPv4UnnumberedAdjacency build() throws PcepParseException {
+ PcepObjectHeader fecObjHeader = this.bIsHeaderSet ? this.fecObjHeader : DEFAULT_FEC_OBJECT_HEADER;
+
+ if (!this.bIsLocalNodeIDset) {
+ throw new PcepParseException(
+ " Local Node ID not set while building PcepFecObjectIPv4UnnumberedAdjacency object.");
+ }
+ if (!this.bIsLocalInterfaceIDset) {
+ throw new PcepParseException(
+ " Local Interface ID not set while building PcepFecObjectIPv4UnnumberedAdjacency object.");
+ }
+ if (!this.bIsRemoteNodeIDset) {
+ throw new PcepParseException(
+ " Remote Node ID not set while building PcepFecObjectIPv4UnnumberedAdjacency object.");
+ }
+ if (!this.bIsRemoteInterfaceIDset) {
+ throw new PcepParseException(
+ " Remote Interface ID not set while building PcepFecObjectIPv4UnnumberedAdjacency object.");
+ }
+ if (bIsPFlagSet) {
+ fecObjHeader.setPFlag(bPFlag);
+ }
+ if (bIsIFlagSet) {
+ fecObjHeader.setIFlag(bIFlag);
+ }
+ return new PcepFecObjectIPv4UnnumberedAdjacencyVer1(fecObjHeader, this.localNodeID, this.localInterfaceID,
+ this.remoteNodeID, this.remoteInterfaceID);
+ }
+
+ @Override
+ public Builder setPFlag(boolean value) {
+ this.bPFlag = value;
+ this.bIsPFlagSet = true;
+ return this;
+ }
+
+ @Override
+ public Builder setIFlag(boolean value) {
+ this.bIFlag = value;
+ this.bIsIFlagSet = true;
+ return this;
+ }
+
+ @Override
+ public PcepObjectHeader getFecIpv4UnnumberedAdjacencyObjHeader() {
+ return this.fecObjHeader;
+ }
+
+ @Override
+ public Builder setFecIpv4UnnumberedAdjacencyObjHeader(PcepObjectHeader obj) {
+ this.fecObjHeader = obj;
+ this.bIsHeaderSet = true;
+ return this;
+ }
+
+ @Override
+ public int getLocalNodeID() {
+ return this.localNodeID;
+ }
+
+ @Override
+ public Builder setLocalNodeID(int value) {
+ this.localNodeID = value;
+ this.bIsLocalNodeIDset = true;
+ return this;
+ }
+
+ @Override
+ public int getLocalInterfaceID() {
+ return this.localInterfaceID;
+ }
+
+ @Override
+ public Builder setLocalInterfaceID(int value) {
+ this.localInterfaceID = value;
+ this.bIsLocalInterfaceIDset = true;
+ return this;
+ }
+
+ @Override
+ public int getRemoteNodeID() {
+ return this.remoteNodeID;
+ }
+
+ @Override
+ public Builder setRemoteNodeID(int value) {
+ this.remoteNodeID = value;
+ this.bIsRemoteNodeIDset = true;
+ return this;
+ }
+
+ @Override
+ public int getRemoteInterfaceID() {
+ return this.remoteInterfaceID;
+ }
+
+ @Override
+ public Builder setRemoteInterfaceID(int value) {
+ this.remoteInterfaceID = value;
+ this.bIsRemoteInterfaceIDset = true;
+ return this;
+ }
+ }
+
+ @Override
+ public PcepVersion getVersion() {
+ return PcepVersion.PCEP_1;
+ }
+
+ @Override
+ public int getType() {
+ return FEC_OBJ_TYPE;
+ }
+
+ @Override
+ public String toString() {
+ return MoreObjects.toStringHelper(getClass()).add("LocalNodeID: ", localNodeID)
+ .add("LocalInterfaceID: ", localInterfaceID).add("RemoteNodeID: ", remoteNodeID)
+ .add("RemoteInterfaceID: ", remoteInterfaceID).toString();
+ }
+}