Added a CODEC for the MRIB to be used by CLI and REST API
Change-Id: Ia57c2862a642f037b2098c4d143822b2d199bc07
diff --git a/apps/mfwd/src/main/java/org/onosproject/mfwd/impl/MRibCodec.java b/apps/mfwd/src/main/java/org/onosproject/mfwd/impl/MRibCodec.java
new file mode 100644
index 0000000..c4f1852
--- /dev/null
+++ b/apps/mfwd/src/main/java/org/onosproject/mfwd/impl/MRibCodec.java
@@ -0,0 +1,211 @@
+/*
+ * 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;
+ }
+}