Rusty Eddy | c0e3fea | 2015-09-28 21:20:41 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2015 Open Networking Laboratory |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | package org.onosproject.mfwd.impl; |
| 17 | |
| 18 | import org.onosproject.codec.CodecContext; |
| 19 | import org.onosproject.codec.JsonCodec; |
| 20 | |
| 21 | import org.onlab.packet.IpPrefix; |
| 22 | |
| 23 | import java.util.Set; |
| 24 | import java.util.Map; |
| 25 | import java.util.Collection; |
| 26 | import java.util.Iterator; |
| 27 | import java.util.Optional; |
| 28 | |
| 29 | import com.fasterxml.jackson.databind.node.ArrayNode; |
| 30 | import com.fasterxml.jackson.databind.node.ObjectNode; |
| 31 | import com.fasterxml.jackson.databind.JsonNode; |
| 32 | import com.fasterxml.jackson.databind.node.JsonNodeFactory; |
| 33 | |
| 34 | import org.slf4j.Logger; |
| 35 | import static org.slf4j.LoggerFactory.getLogger; |
| 36 | |
| 37 | /** |
| 38 | * Encode and Decode the Multicast Route Table in JSON for CLI and REST commands. |
| 39 | */ |
| 40 | public class MRibCodec extends JsonCodec<McastRouteTable> { |
| 41 | |
| 42 | private final Logger log = getLogger(getClass()); |
| 43 | private static final String SOURCE_ADDRESS = "sourceAddress"; |
| 44 | private static final String GROUP_ADDRESS = "groupAddress"; |
| 45 | private static final String INGRESS_POINT = "ingressPoint"; |
| 46 | private static final String EGRESS_POINT = "egressPoint"; |
| 47 | private static final String MCASTCONNECTPOINT = "McastConnectPoint"; |
| 48 | private static final String ELEMENTID = "elementId"; |
| 49 | private static final String PORTNUMBER = "portNumber"; |
| 50 | private static final String MCAST_GROUP = "mcastGroup"; |
| 51 | |
| 52 | /** |
| 53 | * Encode the MRIB into json format. |
| 54 | * |
| 55 | * @param mcastRouteTable McastRouteTable |
| 56 | * @param context CodecContext |
| 57 | * @return result ObjectNode |
| 58 | */ |
| 59 | @Override |
| 60 | public ObjectNode encode(McastRouteTable mcastRouteTable, CodecContext context) { |
| 61 | |
| 62 | final JsonNodeFactory nodeFactory = JsonNodeFactory.instance; |
| 63 | final ObjectNode macastRouteTabNode = nodeFactory.objectNode(); |
| 64 | ArrayNode mcastGroupNode = context.mapper().createArrayNode(); |
| 65 | Optional<McastRouteTable> mcastRouteTabOpt = Optional.ofNullable(mcastRouteTable); |
| 66 | |
| 67 | //checking whether the McastRouteTable is present. |
| 68 | if (mcastRouteTabOpt.isPresent()) { |
| 69 | Map<IpPrefix, McastRouteGroup> mrib4 = mcastRouteTabOpt.get().getMrib4(); |
| 70 | Optional<Map<IpPrefix, McastRouteGroup>> mrib4Opt = Optional.ofNullable(mrib4); |
| 71 | |
| 72 | //checking whether the mrib4 is present. |
| 73 | if (mrib4Opt.isPresent()) { |
| 74 | |
| 75 | for (McastRouteGroup mg : mrib4Opt.get().values()) { |
| 76 | Collection<McastRouteSource> mcastRoute = mg.getSources().values(); |
| 77 | Optional<Collection<McastRouteSource>> mcastRouteOpt = Optional.ofNullable(mcastRoute); |
| 78 | |
| 79 | //checking whether the McastRouteSource List is present. |
| 80 | if (mcastRouteOpt.isPresent()) { |
| 81 | for (McastRouteSource mcastRouteSource : mcastRouteOpt.get()) { |
| 82 | mcastGroupNode.add(createMcastGroupNode(mcastRouteSource, context)); |
| 83 | } |
| 84 | macastRouteTabNode.put(MCAST_GROUP, mcastGroupNode); |
| 85 | } |
| 86 | } |
| 87 | } |
| 88 | } |
| 89 | return macastRouteTabNode; |
| 90 | } |
| 91 | /** |
| 92 | * Method for creating the McastGroup object node. |
| 93 | * |
| 94 | * @param mcastRouteSource McastRouteSource |
| 95 | */ |
| 96 | private ObjectNode createMcastGroupNode(McastRouteSource mcastRouteSource, CodecContext context) { |
| 97 | |
| 98 | final ObjectNode mcastGroupNode = context.mapper().createObjectNode(); |
| 99 | final ObjectNode ingressNode = context.mapper().createObjectNode(); |
| 100 | final ObjectNode egressNode = context.mapper().createObjectNode(); |
| 101 | final ArrayNode jsonLabelIds = context.mapper().createArrayNode(); |
| 102 | final String sAddr = mcastRouteSource.getSaddr().toString(); |
| 103 | final String gAddr = mcastRouteSource.getGaddr().toString(); |
| 104 | |
| 105 | Optional<String> saddrOpt = Optional.ofNullable(sAddr); |
| 106 | Optional<String> gaddrOpt = Optional.ofNullable(gAddr); |
| 107 | |
| 108 | //checking source address and group address are present. |
| 109 | if (saddrOpt.isPresent() && gaddrOpt.isPresent()) { |
| 110 | mcastGroupNode.put(SOURCE_ADDRESS, saddrOpt.get().toString()); |
| 111 | mcastGroupNode.put(GROUP_ADDRESS, gaddrOpt.get().toString()); |
| 112 | McastConnectPoint mcastIngCP = mcastRouteSource.getIngressPoint(); |
| 113 | Optional<McastConnectPoint> mcastIngCPOpt = Optional.ofNullable(mcastIngCP); |
| 114 | |
| 115 | //checking whether the ingress connection point is present. |
| 116 | if (mcastIngCPOpt.isPresent()) { |
| 117 | ingressNode.put(MCASTCONNECTPOINT, mcastConnectPoint(mcastIngCPOpt.get(), context)); |
| 118 | } |
| 119 | |
| 120 | mcastGroupNode.put(INGRESS_POINT , ingressNode); |
| 121 | Set<McastConnectPoint> mcastEgCPSet = mcastRouteSource.getEgressPoints(); |
| 122 | Optional<Set<McastConnectPoint>> mcastEgCPOpt = Optional.ofNullable(mcastEgCPSet); |
| 123 | |
| 124 | //checking whether the egress connection points are present. |
| 125 | if (mcastEgCPOpt.isPresent()) { |
| 126 | for (final McastConnectPoint mcastConnectPoint : mcastEgCPOpt.get()) { |
| 127 | jsonLabelIds.add(mcastConnectPoint(mcastConnectPoint, context)); |
| 128 | } |
| 129 | } |
| 130 | |
| 131 | egressNode.put(MCASTCONNECTPOINT , jsonLabelIds); |
| 132 | mcastGroupNode.put(EGRESS_POINT , egressNode); |
| 133 | } |
| 134 | return mcastGroupNode; |
| 135 | } |
| 136 | |
| 137 | /** |
| 138 | * Method for creating the McastConnectPoint object node. |
| 139 | * |
| 140 | * @param mcastConnectPoint McastConnectPoint |
| 141 | * @param context CodecContext |
| 142 | * @return mcastCpNode ObjectNode |
| 143 | */ |
| 144 | private ObjectNode mcastConnectPoint(McastConnectPoint mcastConnectPoint, CodecContext context) { |
| 145 | final ObjectNode mcastCpNode = context.mapper().createObjectNode(); |
| 146 | mcastCpNode.put(ELEMENTID , mcastConnectPoint.getConnectPoint().elementId().toString()); |
| 147 | mcastCpNode.put(PORTNUMBER , mcastConnectPoint.getConnectPoint().port().toLong()); |
| 148 | return mcastCpNode; |
| 149 | } |
| 150 | |
| 151 | /** |
| 152 | * Decode json format and insert into the flow table. |
| 153 | * |
| 154 | * @param json ObjectNode |
| 155 | * @param context CodecContext |
| 156 | * @return mr McastRouteBase |
| 157 | */ |
| 158 | @Override |
| 159 | public McastRouteTable decode(ObjectNode json, CodecContext context) { |
| 160 | |
| 161 | String macAddr = null; |
| 162 | String portNo = null; |
| 163 | String sAddr = json.path(SOURCE_ADDRESS).asText(); |
| 164 | String gAddr = json.path(GROUP_ADDRESS).asText(); |
| 165 | JsonNode inPntObjNode = (JsonNode) json.path(INGRESS_POINT); |
| 166 | JsonNode egPntArrNode = (JsonNode) json.path(EGRESS_POINT); |
| 167 | |
| 168 | log.debug("sAddr :" + sAddr + " gAddr :" + gAddr + " inPntObjNode :" + inPntObjNode); |
| 169 | log.debug("egPntArrNode :" + egPntArrNode.toString()); |
| 170 | |
| 171 | McastRouteTable mrib = McastRouteTable.getInstance(); |
| 172 | McastRouteBase mr = mrib.addRoute(sAddr, gAddr); |
| 173 | Optional<JsonNode> inPntOpt = Optional.ofNullable(inPntObjNode); |
| 174 | |
| 175 | if (inPntOpt.isPresent()) { |
| 176 | |
| 177 | JsonNode inMcastCP = inPntOpt.get().path(MCASTCONNECTPOINT); |
| 178 | Optional<JsonNode> inCpOpt = Optional.ofNullable(inMcastCP); |
| 179 | |
| 180 | if (inCpOpt.isPresent()) { |
| 181 | macAddr = inCpOpt.get().path(ELEMENTID).asText(); |
| 182 | portNo = inCpOpt.get().path(PORTNUMBER).asText(); |
| 183 | mr.addIngressPoint(macAddr + "/" + Long.parseLong(portNo)); |
| 184 | } |
| 185 | } |
| 186 | |
| 187 | Optional<JsonNode> egPntOpt = Optional.ofNullable(egPntArrNode); |
| 188 | |
| 189 | if (egPntOpt.isPresent()) { |
| 190 | JsonNode egMcastCP = egPntOpt.get().path(MCASTCONNECTPOINT); |
| 191 | Optional<JsonNode> egMcCpOpt = Optional.ofNullable(egMcastCP); |
| 192 | |
| 193 | if (egMcCpOpt.isPresent()) { |
| 194 | Iterator<JsonNode> egCpIt = egMcCpOpt.get().elements(); |
| 195 | |
| 196 | while (egCpIt.hasNext()) { |
| 197 | |
| 198 | JsonNode egMcastCPObj = egCpIt.next(); |
| 199 | Optional<JsonNode> egMcCpObOpt = Optional.ofNullable(egMcastCPObj); |
| 200 | if (egMcCpObOpt.isPresent()) { |
| 201 | macAddr = egMcCpObOpt.get().path(ELEMENTID).asText(); |
| 202 | portNo = egMcCpObOpt.get().path(PORTNUMBER).asText(); |
| 203 | log.debug("macAddr egPort : " + macAddr + " portNo egPort :" + portNo); |
| 204 | mr.addEgressPoint(macAddr + "/" + Long.parseLong(portNo), McastConnectPoint.JoinSource.STATIC); |
| 205 | } |
| 206 | } |
| 207 | } |
| 208 | } |
| 209 | return mrib; |
| 210 | } |
| 211 | } |