Enforce stricter naming conventions for package names
Change-Id: I84a73a3a997ed25059fc3319db9f013db6e94a4c
diff --git a/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/linkstate/NodeDescriptors.java b/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/linkstate/NodeDescriptors.java
new file mode 100644
index 0000000..74637c7
--- /dev/null
+++ b/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/linkstate/NodeDescriptors.java
@@ -0,0 +1,225 @@
+/*
+ * 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.bgpio.protocol.linkstate;
+
+import java.util.Iterator;
+import java.util.LinkedList;
+import java.util.Objects;
+
+import org.jboss.netty.buffer.ChannelBuffer;
+import org.onosproject.bgpio.exceptions.BGPParseException;
+import org.onosproject.bgpio.types.AreaIDTlv;
+import org.onosproject.bgpio.types.AutonomousSystemTlv;
+import org.onosproject.bgpio.types.BGPErrorType;
+import org.onosproject.bgpio.types.BGPLSIdentifierTlv;
+import org.onosproject.bgpio.types.BGPValueType;
+import org.onosproject.bgpio.types.IsIsNonPseudonode;
+import org.onosproject.bgpio.types.IsIsPseudonode;
+import org.onosproject.bgpio.types.OSPFNonPseudonode;
+import org.onosproject.bgpio.types.OSPFPseudonode;
+import org.onosproject.bgpio.util.UnSupportedAttribute;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.google.common.base.MoreObjects;
+
+/**
+ * Provides Local and Remote NodeDescriptors which contains Node Descriptor Sub-TLVs.
+ */
+public class NodeDescriptors {
+
+ /*
+ *Reference :draft-ietf-idr-ls-distribution-11
+ 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 | Length |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | |
+ // Node Descriptor Sub-TLVs (variable) //
+ | |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+
+ Figure : Local or Remote Node Descriptors TLV format
+ */
+
+ protected static final Logger log = LoggerFactory.getLogger(NodeDescriptors.class);
+
+ public static final short LOCAL_NODE_DES_TYPE = 256;
+ public static final short REMOTE_NODE_DES_TYPE = 257;
+ public static final short IGP_ROUTERID_TYPE = 515;
+ public static final short IS_IS_LEVEL_1_PROTOCOL_ID = 1;
+ public static final short IS_IS_LEVEL_2_PROTOCOL_ID = 2;
+ public static final short OSPF_V2_PROTOCOL_ID = 3;
+ public static final short OSPF_V3_PROTOCOL_ID = 6;
+ public static final int TYPE_AND_LEN = 4;
+ public static final int ISISNONPSEUDONODE_LEN = 6;
+ public static final int ISISPSEUDONODE_LEN = 7;
+ public static final int OSPFNONPSEUDONODE_LEN = 4;
+ public static final int OSPFPSEUDONODE_LEN = 8;
+ private LinkedList<BGPValueType> subTlvs;
+ private short deslength;
+ private short desType;
+
+ /**
+ * Resets parameters.
+ */
+ public NodeDescriptors() {
+ this.subTlvs = null;
+ this.deslength = 0;
+ this.desType = 0;
+ }
+
+ /**
+ * Constructor to initialize parameters.
+ *
+ * @param subTlvs list of subTlvs
+ * @param deslength Descriptors length
+ * @param desType local node descriptor or remote node descriptor type
+ */
+ public NodeDescriptors(LinkedList<BGPValueType> subTlvs, short deslength, short desType) {
+ this.subTlvs = subTlvs;
+ this.deslength = deslength;
+ this.desType = desType;
+ }
+
+ /**
+ * Returns list of subTlvs.
+ *
+ * @return subTlvs list of subTlvs
+ */
+ public LinkedList<BGPValueType> getSubTlvs() {
+ return subTlvs;
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(subTlvs.hashCode());
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (this == obj) {
+ return true;
+ }
+
+ if (obj instanceof NodeDescriptors) {
+ int countObjSubTlv = 0;
+ int countOtherSubTlv = 0;
+ boolean isCommonSubTlv = true;
+ NodeDescriptors other = (NodeDescriptors) obj;
+ Iterator<BGPValueType> objListIterator = other.subTlvs.iterator();
+ countOtherSubTlv = other.subTlvs.size();
+ countObjSubTlv = subTlvs.size();
+ if (countObjSubTlv != countOtherSubTlv) {
+ return false;
+ } else {
+ while (objListIterator.hasNext() && isCommonSubTlv) {
+ BGPValueType subTlv = objListIterator.next();
+ isCommonSubTlv = Objects.equals(subTlvs.contains(subTlv), other.subTlvs.contains(subTlv));
+ }
+ return isCommonSubTlv;
+ }
+ }
+ return false;
+ }
+
+ /**
+ * Reads node descriptors Sub-TLVs.
+ *
+ * @param cb ChannelBuffer
+ * @param desLength node descriptor length
+ * @param desType local node descriptor or remote node descriptor type
+ * @param protocolId protocol ID
+ * @return object of NodeDescriptors
+ * @throws BGPParseException while parsing node descriptors
+ */
+ public static NodeDescriptors read(ChannelBuffer cb, short desLength, short desType, byte protocolId)
+ throws BGPParseException {
+ LinkedList<BGPValueType> subTlvs;
+ subTlvs = new LinkedList<>();
+ BGPValueType tlv = null;
+
+ while (cb.readableBytes() > 0) {
+ ChannelBuffer tempBuf = cb;
+ short type = cb.readShort();
+ short length = cb.readShort();
+ if (cb.readableBytes() < length) {
+ throw new BGPParseException(BGPErrorType.UPDATE_MESSAGE_ERROR, BGPErrorType.OPTIONAL_ATTRIBUTE_ERROR,
+ tempBuf.readBytes(cb.readableBytes() + TYPE_AND_LEN));
+ }
+ ChannelBuffer tempCb = cb.readBytes(length);
+ switch (type) {
+ case AutonomousSystemTlv.TYPE:
+ tlv = AutonomousSystemTlv.read(tempCb);
+ break;
+ case BGPLSIdentifierTlv.TYPE:
+ tlv = BGPLSIdentifierTlv.read(tempCb);
+ break;
+ case AreaIDTlv.TYPE:
+ tlv = AreaIDTlv.read(tempCb);
+ break;
+ case IGP_ROUTERID_TYPE:
+ if (protocolId == IS_IS_LEVEL_1_PROTOCOL_ID || protocolId == IS_IS_LEVEL_2_PROTOCOL_ID) {
+ if (length == ISISNONPSEUDONODE_LEN) {
+ tlv = IsIsNonPseudonode.read(tempCb);
+ } else if (length == ISISPSEUDONODE_LEN) {
+ tlv = IsIsPseudonode.read(tempCb);
+ }
+ } else if (protocolId == OSPF_V2_PROTOCOL_ID || protocolId == OSPF_V3_PROTOCOL_ID) {
+ if (length == OSPFNONPSEUDONODE_LEN) {
+ tlv = OSPFNonPseudonode.read(tempCb);
+ } else if (length == OSPFPSEUDONODE_LEN) {
+ tlv = OSPFPseudonode.read(tempCb);
+ }
+ }
+ break;
+ default:
+ UnSupportedAttribute.skipBytes(tempCb, length);
+ }
+ subTlvs.add(tlv);
+ }
+ return new NodeDescriptors(subTlvs, desLength, desType);
+ }
+
+ /**
+ * Returns node descriptors length.
+ *
+ * @return node descriptors length
+ */
+ public short getLength() {
+ return this.deslength;
+ }
+
+ /**
+ * Returns node descriptors type.
+ *
+ * @return node descriptors type
+ */
+ public short getType() {
+ return this.desType;
+ }
+
+ @Override
+ public String toString() {
+ return MoreObjects.toStringHelper(getClass())
+ .add("desType", desType)
+ .add("deslength", deslength)
+ .add("subTlvs", subTlvs)
+ .toString();
+ }
+}