Modified bgp file name according to naming convention.
Change-Id: I403139b53fbc1a2dba894dfd39720707a52ba7cd
diff --git a/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/linkstate/BgpPrefixIPv4LSNlriVer4.java b/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/linkstate/BgpPrefixIPv4LSNlriVer4.java
new file mode 100644
index 0000000..5610696
--- /dev/null
+++ b/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/linkstate/BgpPrefixIPv4LSNlriVer4.java
@@ -0,0 +1,205 @@
+/*
+ * 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.LinkedList;
+
+import org.jboss.netty.buffer.ChannelBuffer;
+import org.onosproject.bgpio.exceptions.BgpParseException;
+import org.onosproject.bgpio.protocol.BgpPrefixLSNlri;
+import org.onosproject.bgpio.protocol.NlriType;
+import org.onosproject.bgpio.protocol.linkstate.BgpNodeLSNlriVer4.ProtocolType;
+import org.onosproject.bgpio.types.BgpValueType;
+import org.onosproject.bgpio.types.RouteDistinguisher;
+import org.onosproject.bgpio.util.Constants;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.google.common.base.MoreObjects;
+
+/**
+ * Implementation of Prefix IPV4 LS NLRI.
+ */
+public class BgpPrefixIPv4LSNlriVer4 implements BgpPrefixLSNlri {
+
+ /*
+ * 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
+ +-+-+-+-+-+-+-+-+
+ | Protocol-ID |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | Identifier |
+ | (64 bits) |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ // Local Node Descriptor (variable) //
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ // Prefix Descriptors (variable) //
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+
+ Figure : The IPv4/IPv6 Topology Prefix NLRI format
+ */
+
+ protected static final Logger log = LoggerFactory.getLogger(BgpPrefixIPv4LSNlriVer4.class);
+
+ public static final int PREFIX_IPV4_NLRITYPE = 3;
+ public static final int IDENTIFIER_LENGTH = 16;
+ private long identifier;
+ private byte protocolId;
+ private RouteDistinguisher routeDistinguisher;
+ private boolean isVpn;
+ private BgpPrefixLSIdentifier bgpPrefixLSIdentifier;
+
+ /**
+ * Resets parameters.
+ */
+ public BgpPrefixIPv4LSNlriVer4() {
+ this.identifier = 0;
+ this.protocolId = 0;
+ this.bgpPrefixLSIdentifier = null;
+ this.routeDistinguisher = null;
+ this.isVpn = false;
+ }
+
+ /**
+ * Constructor to initialize parameters for BGP PrefixLSNlri.
+ *
+ * @param identifier field in BGP PrefixLSNlri
+ * @param protocolId protocol Id
+ * @param bgpPrefixLSIdentifier prefix LS Identifier
+ * @param routeDistinguisher RouteDistinguisher
+ * @param isVpn vpn availability in message
+ */
+ public BgpPrefixIPv4LSNlriVer4(long identifier, byte protocolId, BgpPrefixLSIdentifier bgpPrefixLSIdentifier,
+ RouteDistinguisher routeDistinguisher, boolean isVpn) {
+ this.identifier = identifier;
+ this.protocolId = protocolId;
+ this.bgpPrefixLSIdentifier = bgpPrefixLSIdentifier;
+ this.routeDistinguisher = routeDistinguisher;
+ this.isVpn = isVpn;
+ }
+
+ /**
+ * Reads from channelBuffer and parses Prefix LS Nlri.
+ *
+ * @param cb ChannelBuffer
+ * @param afi Address family identifier
+ * @param safi Subsequent address family identifier
+ * @return object of BGPPrefixIPv4LSNlriVer4
+ * @throws BgpParseException while parsing Prefix LS Nlri
+ */
+ public static BgpPrefixIPv4LSNlriVer4 read(ChannelBuffer cb, short afi, byte safi) throws BgpParseException {
+
+ boolean isVpn = false;
+ RouteDistinguisher routeDistinguisher = null;
+ if ((afi == Constants.AFI_VALUE) && (safi == Constants.VPN_SAFI_VALUE)) {
+ routeDistinguisher = new RouteDistinguisher();
+ routeDistinguisher = RouteDistinguisher.read(cb);
+ isVpn = true;
+ } else {
+ isVpn = false;
+ }
+ byte protocolId = cb.readByte();
+ long identifier = cb.readLong();
+
+ BgpPrefixLSIdentifier bgpPrefixLSIdentifier = new BgpPrefixLSIdentifier();
+ bgpPrefixLSIdentifier = BgpPrefixLSIdentifier.parsePrefixIdendifier(cb, protocolId);
+ return new BgpPrefixIPv4LSNlriVer4(identifier, protocolId, bgpPrefixLSIdentifier, routeDistinguisher, isVpn);
+ }
+
+ @Override
+ public NlriType getNlriType() {
+ return NlriType.PREFIX_IPV4;
+ }
+
+ @Override
+ public NodeDescriptors getLocalNodeDescriptors() {
+ return this.bgpPrefixLSIdentifier.getLocalNodeDescriptors();
+ }
+
+ @Override
+ public long getIdentifier() {
+ return this.identifier;
+ }
+
+ /**
+ * Set the prefix LS identifier.
+ *
+ * @param bgpPrefixLSIdentifier prefix identifier to set
+ */
+ public void setPrefixLSIdentifier(BgpPrefixLSIdentifier bgpPrefixLSIdentifier) {
+ this.bgpPrefixLSIdentifier = bgpPrefixLSIdentifier;
+ }
+
+ @Override
+ public ProtocolType getProtocolId() throws BgpParseException {
+ switch (protocolId) {
+ case Constants.ISIS_LEVELONE:
+ return ProtocolType.ISIS_LEVEL_ONE;
+ case Constants.ISIS_LEVELTWO:
+ return ProtocolType.ISIS_LEVEL_TWO;
+ case Constants.OSPFV2:
+ return ProtocolType.OSPF_V2;
+ case Constants.DIRECT:
+ return ProtocolType.DIRECT;
+ case Constants.STATIC_CONFIGURATION:
+ return ProtocolType.STATIC_CONFIGURATION;
+ case Constants.OSPFV3:
+ return ProtocolType.OSPF_V3;
+ default:
+ throw new BgpParseException("protocol id not valid");
+ }
+ }
+
+ /**
+ * Returns whether VPN is present or not.
+ *
+ * @return whether VPN is present or not
+ */
+ public boolean isVpnPresent() {
+ return this.isVpn;
+ }
+
+ /**
+ * Returns Prefix Identifier.
+ *
+ * @return Prefix Identifier
+ */
+ public BgpPrefixLSIdentifier getPrefixIdentifier() {
+ return this.bgpPrefixLSIdentifier;
+ }
+
+ @Override
+ public RouteDistinguisher getRouteDistinguisher() {
+ return this.routeDistinguisher;
+ }
+
+ @Override
+ public LinkedList<BgpValueType> getPrefixdescriptor() {
+ return this.bgpPrefixLSIdentifier.getPrefixdescriptor();
+ }
+
+ @Override
+ public String toString() {
+ return MoreObjects.toStringHelper(getClass())
+ .omitNullValues()
+ .add("protocolId", protocolId)
+ .add("identifier", identifier)
+ .add("RouteDistinguisher ", routeDistinguisher)
+ .add("bgpPrefixLSIdentifier", bgpPrefixLSIdentifier)
+ .toString();
+ }
+}