Implementation of PcInitate and PcUpdate messages
Change-Id: I746a5860a8b4a8022d747a02075ed3237741c53a
diff --git a/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/PcepRsvpUserErrorSpec.java b/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/PcepRsvpUserErrorSpec.java
new file mode 100644
index 0000000..3dd036d
--- /dev/null
+++ b/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/PcepRsvpUserErrorSpec.java
@@ -0,0 +1,222 @@
+/*
+ * 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.LinkedList;
+import java.util.ListIterator;
+
+import org.jboss.netty.buffer.ChannelBuffer;
+import org.onosproject.pcepio.exceptions.PcepParseException;
+import org.onosproject.pcepio.protocol.PcepVersion;
+
+import com.google.common.base.MoreObjects;
+
+public class PcepRsvpUserErrorSpec implements PcepRsvpErrorSpec {
+
+ /*
+ RSVP error spec object header.
+ 0 1 2 3
+ +-------------+-------------+-------------+-------------+
+ | Length (bytes) | Class-Num | C-Type |
+ +-------------+-------------+-------------+-------------+
+ | |
+ // (Object contents) //
+ | |
+ +-------------+-------------+-------------+-------------+
+
+ Ref : USER_ERROR_SPEC @ RFC5284.
+ USER_ERROR_SPEC object: Class = 194, C-Type = 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
+ +---------------+---------------+---------------+---------------+
+ | Enterprise Number |
+ +---------------+---------------+---------------+---------------+
+ | Sub Org | Err Desc Len | User Error Value |
+ +---------------+---------------+---------------+---------------+
+ | |
+ ~ Error Description ~
+ | |
+ +---------------+---------------+---------------+---------------+
+ | |
+ ~ User-Defined Subobjects ~
+ | |
+ +---------------+---------------+---------------+---------------+
+ */
+
+ public static final byte CLASS_NUM = (byte) 0xc2;
+ public static final byte CLASS_TYPE = 0x01;
+
+ private PcepRsvpSpecObjHeader objHeader;
+ private int enterpriseNum;
+ private byte subOrg;
+ private byte errDescLen;
+ private short userErrorValue;
+ private byte[] errDesc;
+ private LinkedList<PcepValueType> llRsvpUserSpecSubObj;
+
+ /**
+ * Default constructor.
+ *
+ * @param objHeader pcep rsvp spec object header
+ * @param enterpriseNum enterprise number
+ * @param subOrg organization identifier value
+ * @param errDescLen error description length
+ * @param userErrorValue user error value
+ * @param errDesc error description
+ * @param llRsvpUserSpecSubObj list of subobjects
+ */
+ public PcepRsvpUserErrorSpec(PcepRsvpSpecObjHeader objHeader, int enterpriseNum, byte subOrg, byte errDescLen,
+ short userErrorValue, byte[] errDesc, LinkedList<PcepValueType> llRsvpUserSpecSubObj) {
+ this.objHeader = objHeader;
+ this.enterpriseNum = enterpriseNum;
+ this.subOrg = subOrg;
+ this.errDescLen = errDescLen;
+ this.userErrorValue = userErrorValue;
+ this.errDesc = errDesc;
+ this.llRsvpUserSpecSubObj = llRsvpUserSpecSubObj;
+ }
+
+ @Override
+ public int write(ChannelBuffer cb) {
+ int objLenIndex = objHeader.write(cb);
+ cb.writeInt(enterpriseNum);
+ cb.writeByte(subOrg);
+ cb.writeByte(errDescLen);
+ cb.writeShort(userErrorValue);
+ cb.writeBytes(errDesc);
+
+ if (null != llRsvpUserSpecSubObj) {
+
+ ListIterator<PcepValueType> listIterator = llRsvpUserSpecSubObj.listIterator();
+
+ while (listIterator.hasNext()) {
+ PcepValueType tlv = listIterator.next();
+ if (null == tlv) {
+ continue;
+ }
+ tlv.write(cb);
+ // need to take care of padding
+ int pad = tlv.getLength() % 4;
+ if (0 != pad) {
+ pad = 4 - pad;
+ for (int i = 0; i < pad; ++i) {
+ cb.writeByte((byte) 0);
+ }
+ }
+ }
+ }
+ short objLen = (short) (cb.writerIndex() - objLenIndex);
+ cb.setShort(objLenIndex, objLen);
+ return objLen;
+ }
+
+ /**
+ * Reads the channel buffer and returns object of PcepRsvpErrorSpec.
+ *
+ * @param cb of type channel buffer
+ * @return object of PcepRsvpErrorSpec
+ * @throws PcepParseException when expected object is not received
+ */
+ public static PcepRsvpErrorSpec read(ChannelBuffer cb) throws PcepParseException {
+ PcepRsvpSpecObjHeader objHeader;
+ int enterpriseNum;
+ byte subOrg;
+ byte errDescLen;
+ short userErrorValue;
+ byte[] errDesc;
+ LinkedList<PcepValueType> llRsvpUserSpecSubObj = null;
+
+ objHeader = PcepRsvpSpecObjHeader.read(cb);
+
+ if (CLASS_NUM != objHeader.getObjClassNum() || CLASS_TYPE != objHeader.getObjClassType()) {
+ throw new PcepParseException("Expected PcepRsvpUserErrorSpec object.");
+ }
+ enterpriseNum = cb.readInt();
+ subOrg = cb.readByte();
+ errDescLen = cb.readByte();
+ userErrorValue = cb.readShort();
+ errDesc = new byte[errDescLen];
+ cb.readBytes(errDesc, 0, errDescLen);
+
+ llRsvpUserSpecSubObj = parseErrSpecSubObj(cb);
+
+ return new PcepRsvpUserErrorSpec(objHeader, enterpriseNum, subOrg, errDescLen, userErrorValue, errDesc,
+ llRsvpUserSpecSubObj);
+ }
+
+ private static LinkedList<PcepValueType> parseErrSpecSubObj(ChannelBuffer cb) throws PcepParseException {
+ LinkedList<PcepValueType> llRsvpUserSpecSubObj = new LinkedList<PcepValueType>();
+ while (0 < cb.readableBytes()) {
+ PcepValueType tlv = null;
+ short hType = cb.readShort();
+ int iValue = 0;
+ //short hLength = cb.readShort();
+ switch (hType) {
+ case AutonomousSystemTlv.TYPE:
+ iValue = cb.readInt();
+ tlv = new AutonomousSystemTlv(iValue);
+ break;
+ default:
+ throw new PcepParseException("Unsupported Sub TLV type :" + hType);
+ }
+ llRsvpUserSpecSubObj.add(tlv);
+ }
+ return llRsvpUserSpecSubObj;
+ }
+
+ @Override
+ public PcepVersion getVersion() {
+ return PcepVersion.PCEP_1;
+ }
+
+ @Override
+ public short getType() {
+ return StatefulRsvpErrorSpecTlv.TYPE;
+ }
+
+ @Override
+ public short getLength() {
+ return objHeader.getObjLen();
+ }
+
+ @Override
+ public byte getClassNum() {
+ return CLASS_NUM;
+ }
+
+ @Override
+ public byte getClassType() {
+ return CLASS_TYPE;
+ }
+
+ @Override
+ public void print() {
+ // TODO Auto-generated method stub
+ }
+
+ @Override
+ public String toString() {
+ return MoreObjects.toStringHelper(getClass())
+ .add("enterprise Number:", enterpriseNum)
+ .add("sub Organization:", subOrg)
+ .add("err Desc Length:", errDescLen)
+ .add("user Error Value:", userErrorValue)
+ .add("err Desc:", errDesc)
+ .add("Rsvp User Spec Sub Object:", llRsvpUserSpecSubObj)
+ .toString();
+ }
+}