PCEP modificaton to support PCEP-LS
Change-Id: Ic829dd17b0398ad76ec412b4e8293de564b5b56b
diff --git a/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/AutonomousSystemNumberSubObject.java b/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/AutonomousSystemNumberSubObject.java
new file mode 100644
index 0000000..bf56d5e
--- /dev/null
+++ b/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/AutonomousSystemNumberSubObject.java
@@ -0,0 +1,146 @@
+/*
+ * 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.
+ */
+
+/**
+ * @author b00295750
+ *
+ */
+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 Autonomous system number sub object.
+ */
+public class AutonomousSystemNumberSubObject implements PcepValueType {
+
+ /*Reference : RFC 3209 : 4.3.3.4
+ * 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
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ |L| Type | Length | AS number (2-octet) |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ */
+ protected static final Logger log = LoggerFactory.getLogger(AutonomousSystemNumberSubObject.class);
+
+ public static final byte TYPE = (byte) 0x32;
+ public static final byte LENGTH = 4;
+ public static final byte VALUE_LENGTH = 2;
+ public static final byte OBJ_LENGTH = 4;
+ public static final byte LBIT = 0;
+ public static final int SHIFT_LBIT_POSITION = 7;
+ private short asNumber;
+
+ /**
+ * Constructor to initialize AS number.
+ *
+ * @param asNumber AS number
+ */
+ public AutonomousSystemNumberSubObject(short asNumber) {
+ this.asNumber = asNumber;
+ }
+
+ /**
+ * Returns a new instance of AutonomousSystemNumberSubObject.
+ *
+ * @param asNumber AS number
+ * @return object of AutonomousSystemNumberSubObject
+ */
+ public static AutonomousSystemNumberSubObject of(short asNumber) {
+ return new AutonomousSystemNumberSubObject(asNumber);
+ }
+
+ /**
+ * Returns value of AS number.
+ *
+ * @return value of AS number
+ */
+ public short getAsNumber() {
+ return asNumber;
+ }
+
+ @Override
+ public PcepVersion getVersion() {
+ return PcepVersion.PCEP_1;
+ }
+
+ @Override
+ public short getType() {
+ return TYPE;
+ }
+
+ @Override
+ public short getLength() {
+ return LENGTH;
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(asNumber);
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (this == obj) {
+ return true;
+ }
+ if (obj instanceof AutonomousSystemNumberSubObject) {
+ AutonomousSystemNumberSubObject other = (AutonomousSystemNumberSubObject) obj;
+ return Objects.equals(this.asNumber, other.asNumber);
+ }
+ return false;
+ }
+
+ /**
+ * Reads the channel buffer and returns object of AutonomousSystemNumberSubObject.
+ *
+ * @param c type of channel buffer
+ * @return object of AutonomousSystemNumberSubObject
+ */
+ public static PcepValueType read(ChannelBuffer c) {
+ short asNumber = c.readShort();
+ return new AutonomousSystemNumberSubObject(asNumber);
+ }
+
+ @Override
+ public int write(ChannelBuffer c) {
+ int iLenStartIndex = c.writerIndex();
+ byte bValue = LBIT;
+ bValue = (byte) (bValue << SHIFT_LBIT_POSITION);
+ bValue = (byte) (bValue | TYPE);
+ c.writeByte(bValue);
+ c.writeByte(OBJ_LENGTH);
+ c.writeShort(asNumber);
+
+ return c.writerIndex() - iLenStartIndex;
+ }
+
+ @Override
+ public String toString() {
+ return MoreObjects.toStringHelper(getClass())
+ .add("Type", TYPE)
+ .add("Length", LENGTH)
+ .add("AsNumber", asNumber)
+ .toString();
+ }
+}