| /* |
| * 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.mfwd.impl; |
| |
| import org.onosproject.codec.CodecContext; |
| import org.onosproject.codec.JsonCodec; |
| |
| import org.onlab.packet.IpPrefix; |
| |
| import java.util.Set; |
| import java.util.Map; |
| import java.util.Collection; |
| import java.util.Iterator; |
| import java.util.Optional; |
| |
| import com.fasterxml.jackson.databind.node.ArrayNode; |
| import com.fasterxml.jackson.databind.node.ObjectNode; |
| import com.fasterxml.jackson.databind.JsonNode; |
| import com.fasterxml.jackson.databind.node.JsonNodeFactory; |
| |
| import org.slf4j.Logger; |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| /** |
| * Encode and Decode the Multicast Route Table in JSON for CLI and REST commands. |
| */ |
| public class MRibCodec extends JsonCodec<McastRouteTable> { |
| |
| private final Logger log = getLogger(getClass()); |
| private static final String SOURCE_ADDRESS = "sourceAddress"; |
| private static final String GROUP_ADDRESS = "groupAddress"; |
| private static final String INGRESS_POINT = "ingressPoint"; |
| private static final String EGRESS_POINT = "egressPoint"; |
| private static final String MCASTCONNECTPOINT = "McastConnectPoint"; |
| private static final String ELEMENTID = "elementId"; |
| private static final String PORTNUMBER = "portNumber"; |
| private static final String MCAST_GROUP = "mcastGroup"; |
| |
| /** |
| * Encode the MRIB into json format. |
| * |
| * @param mcastRouteTable McastRouteTable |
| * @param context CodecContext |
| * @return result ObjectNode |
| */ |
| @Override |
| public ObjectNode encode(McastRouteTable mcastRouteTable, CodecContext context) { |
| |
| final JsonNodeFactory nodeFactory = JsonNodeFactory.instance; |
| final ObjectNode macastRouteTabNode = nodeFactory.objectNode(); |
| ArrayNode mcastGroupNode = context.mapper().createArrayNode(); |
| Optional<McastRouteTable> mcastRouteTabOpt = Optional.ofNullable(mcastRouteTable); |
| |
| //checking whether the McastRouteTable is present. |
| if (mcastRouteTabOpt.isPresent()) { |
| Map<IpPrefix, McastRouteGroup> mrib4 = mcastRouteTabOpt.get().getMrib4(); |
| Optional<Map<IpPrefix, McastRouteGroup>> mrib4Opt = Optional.ofNullable(mrib4); |
| |
| //checking whether the mrib4 is present. |
| if (mrib4Opt.isPresent()) { |
| |
| for (McastRouteGroup mg : mrib4Opt.get().values()) { |
| Collection<McastRouteSource> mcastRoute = mg.getSources().values(); |
| Optional<Collection<McastRouteSource>> mcastRouteOpt = Optional.ofNullable(mcastRoute); |
| |
| //checking whether the McastRouteSource List is present. |
| if (mcastRouteOpt.isPresent()) { |
| for (McastRouteSource mcastRouteSource : mcastRouteOpt.get()) { |
| mcastGroupNode.add(createMcastGroupNode(mcastRouteSource, context)); |
| } |
| macastRouteTabNode.put(MCAST_GROUP, mcastGroupNode); |
| } |
| } |
| } |
| } |
| return macastRouteTabNode; |
| } |
| /** |
| * Method for creating the McastGroup object node. |
| * |
| * @param mcastRouteSource McastRouteSource |
| */ |
| private ObjectNode createMcastGroupNode(McastRouteSource mcastRouteSource, CodecContext context) { |
| |
| final ObjectNode mcastGroupNode = context.mapper().createObjectNode(); |
| final ObjectNode ingressNode = context.mapper().createObjectNode(); |
| final ObjectNode egressNode = context.mapper().createObjectNode(); |
| final ArrayNode jsonLabelIds = context.mapper().createArrayNode(); |
| final String sAddr = mcastRouteSource.getSaddr().toString(); |
| final String gAddr = mcastRouteSource.getGaddr().toString(); |
| |
| Optional<String> saddrOpt = Optional.ofNullable(sAddr); |
| Optional<String> gaddrOpt = Optional.ofNullable(gAddr); |
| |
| //checking source address and group address are present. |
| if (saddrOpt.isPresent() && gaddrOpt.isPresent()) { |
| mcastGroupNode.put(SOURCE_ADDRESS, saddrOpt.get().toString()); |
| mcastGroupNode.put(GROUP_ADDRESS, gaddrOpt.get().toString()); |
| McastConnectPoint mcastIngCP = mcastRouteSource.getIngressPoint(); |
| Optional<McastConnectPoint> mcastIngCPOpt = Optional.ofNullable(mcastIngCP); |
| |
| //checking whether the ingress connection point is present. |
| if (mcastIngCPOpt.isPresent()) { |
| ingressNode.put(MCASTCONNECTPOINT, mcastConnectPoint(mcastIngCPOpt.get(), context)); |
| } |
| |
| mcastGroupNode.put(INGRESS_POINT , ingressNode); |
| Set<McastConnectPoint> mcastEgCPSet = mcastRouteSource.getEgressPoints(); |
| Optional<Set<McastConnectPoint>> mcastEgCPOpt = Optional.ofNullable(mcastEgCPSet); |
| |
| //checking whether the egress connection points are present. |
| if (mcastEgCPOpt.isPresent()) { |
| for (final McastConnectPoint mcastConnectPoint : mcastEgCPOpt.get()) { |
| jsonLabelIds.add(mcastConnectPoint(mcastConnectPoint, context)); |
| } |
| } |
| |
| egressNode.put(MCASTCONNECTPOINT , jsonLabelIds); |
| mcastGroupNode.put(EGRESS_POINT , egressNode); |
| } |
| return mcastGroupNode; |
| } |
| |
| /** |
| * Method for creating the McastConnectPoint object node. |
| * |
| * @param mcastConnectPoint McastConnectPoint |
| * @param context CodecContext |
| * @return mcastCpNode ObjectNode |
| */ |
| private ObjectNode mcastConnectPoint(McastConnectPoint mcastConnectPoint, CodecContext context) { |
| final ObjectNode mcastCpNode = context.mapper().createObjectNode(); |
| mcastCpNode.put(ELEMENTID , mcastConnectPoint.getConnectPoint().elementId().toString()); |
| mcastCpNode.put(PORTNUMBER , mcastConnectPoint.getConnectPoint().port().toLong()); |
| return mcastCpNode; |
| } |
| |
| /** |
| * Decode json format and insert into the flow table. |
| * |
| * @param json ObjectNode |
| * @param context CodecContext |
| * @return mr McastRouteBase |
| */ |
| @Override |
| public McastRouteTable decode(ObjectNode json, CodecContext context) { |
| |
| String macAddr = null; |
| String portNo = null; |
| String sAddr = json.path(SOURCE_ADDRESS).asText(); |
| String gAddr = json.path(GROUP_ADDRESS).asText(); |
| JsonNode inPntObjNode = (JsonNode) json.path(INGRESS_POINT); |
| JsonNode egPntArrNode = (JsonNode) json.path(EGRESS_POINT); |
| |
| log.debug("sAddr :" + sAddr + " gAddr :" + gAddr + " inPntObjNode :" + inPntObjNode); |
| log.debug("egPntArrNode :" + egPntArrNode.toString()); |
| |
| McastRouteTable mrib = McastRouteTable.getInstance(); |
| McastRouteBase mr = mrib.addRoute(sAddr, gAddr); |
| Optional<JsonNode> inPntOpt = Optional.ofNullable(inPntObjNode); |
| |
| if (inPntOpt.isPresent()) { |
| |
| JsonNode inMcastCP = inPntOpt.get().path(MCASTCONNECTPOINT); |
| Optional<JsonNode> inCpOpt = Optional.ofNullable(inMcastCP); |
| |
| if (inCpOpt.isPresent()) { |
| macAddr = inCpOpt.get().path(ELEMENTID).asText(); |
| portNo = inCpOpt.get().path(PORTNUMBER).asText(); |
| mr.addIngressPoint(macAddr + "/" + Long.parseLong(portNo)); |
| } |
| } |
| |
| Optional<JsonNode> egPntOpt = Optional.ofNullable(egPntArrNode); |
| |
| if (egPntOpt.isPresent()) { |
| JsonNode egMcastCP = egPntOpt.get().path(MCASTCONNECTPOINT); |
| Optional<JsonNode> egMcCpOpt = Optional.ofNullable(egMcastCP); |
| |
| if (egMcCpOpt.isPresent()) { |
| Iterator<JsonNode> egCpIt = egMcCpOpt.get().elements(); |
| |
| while (egCpIt.hasNext()) { |
| |
| JsonNode egMcastCPObj = egCpIt.next(); |
| Optional<JsonNode> egMcCpObOpt = Optional.ofNullable(egMcastCPObj); |
| if (egMcCpObOpt.isPresent()) { |
| macAddr = egMcCpObOpt.get().path(ELEMENTID).asText(); |
| portNo = egMcCpObOpt.get().path(PORTNUMBER).asText(); |
| log.debug("macAddr egPort : " + macAddr + " portNo egPort :" + portNo); |
| mr.addEgressPoint(macAddr + "/" + Long.parseLong(portNo), McastConnectPoint.JoinSource.STATIC); |
| } |
| } |
| } |
| } |
| return mrib; |
| } |
| } |