Implementation of PcInitate and PcUpdate messages
Change-Id: I746a5860a8b4a8022d747a02075ed3237741c53a
diff --git a/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepMetricObjectVer1.java b/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepMetricObjectVer1.java
new file mode 100644
index 0000000..c6c081a
--- /dev/null
+++ b/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepMetricObjectVer1.java
@@ -0,0 +1,387 @@
+/*
+ * 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.PcepMetricObject;
+import org.onosproject.pcepio.types.PcepObjectHeader;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.google.common.base.MoreObjects;
+
+/*
+ METRIC Object Body Format.
+
+ 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
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | Reserved | Flags |C|B| T |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | metric-value |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ */
+
+public class PcepMetricObjectVer1 implements PcepMetricObject {
+
+ protected static final Logger log = LoggerFactory.getLogger(PcepMetricObjectVer1.class);
+
+ public static final byte METRIC_OBJ_TYPE = 1;
+ public static final byte METRIC_OBJ_CLASS = 6;
+ public static final byte METRIC_OBJECT_VERSION = 1;
+ public static final short METRIC_OBJ_MINIMUM_LENGTH = 12;
+ public static final int OBJECT_HEADER_LENGTH = 4;
+ public static final int IFLAG_SHIFT_VALUE = 9;
+ public static final int BTYPE_SHIFT_VALUE = 8;
+ public static final int CFLAG_SET = 1;
+ public static final int CFLAG_RESET = 0;
+ public static final int BFLAG_SET = 1;
+ public static final int BFLAG_RESET = 0;
+ public static final byte CFLAG_CHECK = 0x02;
+
+ static final PcepObjectHeader DEFAULT_METRIC_OBJECT_HEADER = new PcepObjectHeader(METRIC_OBJ_CLASS,
+ METRIC_OBJ_TYPE, PcepObjectHeader.REQ_OBJ_OPTIONAL_PROCESS, PcepObjectHeader.RSP_OBJ_PROCESSED,
+ METRIC_OBJ_MINIMUM_LENGTH);
+
+ private PcepObjectHeader metricObjHeader;
+ private int iMetricVal;
+ private byte yFlag; // 6-flags
+ private boolean bCFlag;
+ private boolean bBFlag;
+ private byte bType;
+
+ /**
+ * Default constructor.
+ */
+ public PcepMetricObjectVer1() {
+ this.metricObjHeader = null;
+ this.iMetricVal = 0;
+ this.yFlag = 0;
+ this.bCFlag = false;
+ this.bBFlag = false;
+ this.bType = 0;
+
+ }
+
+ /**
+ * Constructor to initialize all member variables.
+ *
+ * @param metricObjHeader metric object header
+ * @param iMetricVal metric value
+ * @param yFlag Y flag
+ * @param bCFlag C flag
+ * @param bBFlag B flag
+ * @param bType Type value
+ */
+ public PcepMetricObjectVer1(PcepObjectHeader metricObjHeader, int iMetricVal, byte yFlag, boolean bCFlag,
+ boolean bBFlag, byte bType) {
+
+ this.metricObjHeader = metricObjHeader;
+ this.iMetricVal = iMetricVal;
+ this.yFlag = yFlag;
+ this.bCFlag = bCFlag;
+ this.bBFlag = bBFlag;
+ this.bType = bType;
+
+ }
+
+ @Override
+ public void setMetricVal(int value) {
+ this.iMetricVal = value;
+
+ }
+
+ @Override
+ public int getMetricVal() {
+ return this.iMetricVal;
+ }
+
+ @Override
+ public byte getYFlag() {
+ return this.yFlag;
+ }
+
+ @Override
+ public void setYFlag(byte value) {
+ this.yFlag = value;
+ }
+
+ @Override
+ public boolean getCFlag() {
+ return this.bCFlag;
+ }
+
+ @Override
+ public void setCFlag(boolean value) {
+ this.bCFlag = value;
+ }
+
+ @Override
+ public boolean getBFlag() {
+ return this.bBFlag;
+ }
+
+ @Override
+ public void setBFlag(boolean value) {
+ this.bBFlag = value;
+ }
+
+ @Override
+ public byte getBType() {
+ return this.bType;
+ }
+
+ @Override
+ public void setBType(byte value) {
+ this.bType = value;
+ }
+
+ /**
+ * Sets metric Object Header.
+ *
+ * @param obj metric object header
+ */
+ public void setMetricObjHeader(PcepObjectHeader obj) {
+ this.metricObjHeader = obj;
+ }
+
+ /**
+ * Returns metric Object Header.
+ *
+ * @return metricObjHeader
+ */
+ public PcepObjectHeader getMetricObjHeader() {
+ return this.metricObjHeader;
+ }
+
+ /**
+ * Reads from channel buffer and returns object of PcepMetricObject.
+ *
+ * @param cb of channel buffer.
+ * @return object of PcepMetricObject
+ * @throws PcepParseException when metric object is not present in channel buffer
+ */
+ public static PcepMetricObject read(ChannelBuffer cb) throws PcepParseException {
+
+ log.debug("MetricObject::read");
+ PcepObjectHeader metricObjHeader;
+ int iMetricVal;
+ byte yFlag; // 6-flags
+ boolean bCFlag;
+ boolean bBFlag;
+ byte bType;
+
+ metricObjHeader = PcepObjectHeader.read(cb);
+
+ if (metricObjHeader.getObjClass() != METRIC_OBJ_CLASS) {
+ throw new PcepParseException("This object is not a Metric Object. Object Class: "
+ + metricObjHeader.getObjClass());
+ }
+
+ //take only metric buffer.
+ ChannelBuffer tempCb = cb.readBytes(metricObjHeader.getObjLen() - OBJECT_HEADER_LENGTH);
+
+ tempCb.readShort();
+ yFlag = tempCb.readByte();
+ bType = tempCb.readByte();
+ bCFlag = (yFlag & CFLAG_CHECK) == CFLAG_CHECK ? true : false;
+ bBFlag = (yFlag & BFLAG_SET) == BFLAG_SET ? true : false;
+ iMetricVal = tempCb.readInt();
+
+ return new PcepMetricObjectVer1(metricObjHeader, iMetricVal, yFlag, bCFlag, bBFlag, bType);
+ }
+
+ @Override
+ public int write(ChannelBuffer cb) throws PcepParseException {
+ //write Object header
+ int objStartIndex = cb.writerIndex();
+
+ int objLenIndex = metricObjHeader.write(cb);
+
+ if (objLenIndex <= 0) {
+ throw new PcepParseException("Error: ObjectLength is " + objLenIndex);
+ }
+
+ int iFlag = (bCFlag) ? CFLAG_SET : CFLAG_RESET;
+ int iTemp = iFlag << IFLAG_SHIFT_VALUE;
+ iFlag = (bBFlag) ? BFLAG_SET : BFLAG_RESET;
+ iTemp = iTemp | (iFlag << BTYPE_SHIFT_VALUE);
+ iTemp = iTemp | bType;
+ cb.writeInt(iTemp);
+ cb.writeInt(iMetricVal);
+
+ short hLength = (short) (cb.writerIndex() - objStartIndex);
+ cb.setShort(objLenIndex, hLength);
+ //will be helpful during print().
+ metricObjHeader.setObjLen(hLength);
+ return hLength;
+ }
+
+ /**
+ * Builder class for PCEP metric object.
+ */
+ public static class Builder implements PcepMetricObject.Builder {
+
+ private boolean bIsHeaderSet = false;
+ private PcepObjectHeader metricObjHeader;
+ private int iMetricVal;
+ private boolean bIsMetricValSet = false;
+ private byte yFlag; // 6-flags
+ private boolean bCFlag;
+ private boolean bBFlag;
+ private byte bType;
+ private boolean bIsbTypeSet = false;
+
+ private boolean bIsPFlagSet = false;
+ private boolean bPFlag;
+
+ private boolean bIsIFlagSet = false;
+ private boolean bIFlag;
+
+ @Override
+ public PcepMetricObject build() throws PcepParseException {
+
+ PcepObjectHeader metricObjHeader = this.bIsHeaderSet ? this.metricObjHeader : DEFAULT_METRIC_OBJECT_HEADER;
+
+ if (!this.bIsMetricValSet) {
+ throw new PcepParseException(" Metric Value NOT Set while building PcepMetricObject.");
+ }
+ if (!this.bIsbTypeSet) {
+ throw new PcepParseException(" Type NOT Set while building PcepMetricObject.");
+ }
+
+ if (bIsPFlagSet) {
+ metricObjHeader.setPFlag(bPFlag);
+ }
+
+ if (bIsIFlagSet) {
+ metricObjHeader.setIFlag(bIFlag);
+ }
+
+ return new PcepMetricObjectVer1(metricObjHeader, iMetricVal, yFlag, bCFlag, bBFlag, bType);
+ }
+
+ @Override
+ public PcepObjectHeader getMetricObjHeader() {
+ return this.metricObjHeader;
+ }
+
+ @Override
+ public Builder setMetricObjHeader(PcepObjectHeader obj) {
+ this.metricObjHeader = obj;
+ this.bIsHeaderSet = true;
+ return this;
+ }
+
+ @Override
+ public int getMetricVal() {
+ return this.iMetricVal;
+ }
+
+ @Override
+ public Builder setMetricVal(int value) {
+ this.iMetricVal = value;
+ this.bIsMetricValSet = true;
+ return this;
+ }
+
+ @Override
+ public byte getYFlag() {
+ return this.yFlag;
+ }
+
+ @Override
+ public Builder setYFlag(byte value) {
+ this.yFlag = value;
+ return this;
+ }
+
+ @Override
+ public boolean getCFlag() {
+ return this.bCFlag;
+ }
+
+ @Override
+ public Builder setCFlag(boolean value) {
+ this.bCFlag = value;
+ return this;
+ }
+
+ @Override
+ public boolean getBFlag() {
+ return this.bBFlag;
+ }
+
+ @Override
+ public Builder setBFlag(boolean value) {
+ this.bBFlag = value;
+ return this;
+ }
+
+ @Override
+ public byte getBType() {
+ return this.bType;
+ }
+
+ @Override
+ public Builder setBType(byte value) {
+ this.bType = value;
+ this.bIsbTypeSet = true;
+ return this;
+ }
+
+ @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 void print() {
+
+ log.debug("METRIC OBJECT");
+ long lTemp = iMetricVal & 0xFFFFFFFF;
+ log.debug("iMetricVal: " + lTemp);
+ lTemp = (bBFlag) ? 1 : 0;
+ log.debug("B Flag: " + lTemp);
+ lTemp = (bCFlag) ? 1 : 0;
+ log.debug("C Flag: " + lTemp);
+ lTemp = bType & 0xFF;
+ log.debug("Type: " + lTemp);
+ }
+
+ @Override
+ public String toString() {
+ return MoreObjects.toStringHelper(getClass())
+ .add("Metric value", iMetricVal)
+ .add("B flag", bBFlag)
+ .add("C flag", bCFlag)
+ .add("B-type", bType)
+ .toString();
+ }
+}