Sean Condon | 0e89bda | 2017-03-21 14:23:19 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2017-present Open Networking Foundation |
| 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.cfm.web; |
| 17 | |
| 18 | import org.onlab.packet.MacAddress; |
| 19 | import org.onlab.util.HexString; |
| 20 | import org.onosproject.codec.CodecContext; |
| 21 | import org.onosproject.codec.JsonCodec; |
| 22 | import org.onosproject.incubator.net.l2monitoring.cfm.DefaultMepLbCreate; |
| 23 | import org.onosproject.incubator.net.l2monitoring.cfm.Mep.Priority; |
| 24 | import org.onosproject.incubator.net.l2monitoring.cfm.MepLbCreate; |
| 25 | import org.onosproject.incubator.net.l2monitoring.cfm.identifier.MepId; |
| 26 | |
| 27 | import com.fasterxml.jackson.databind.JsonNode; |
| 28 | import com.fasterxml.jackson.databind.node.ObjectNode; |
| 29 | |
| 30 | import static com.google.common.base.Preconditions.checkNotNull; |
| 31 | |
| 32 | /** |
| 33 | * Encode and decode to/from JSON to MepLbCreate object. |
| 34 | */ |
| 35 | public class MepLbCreateCodec extends JsonCodec<MepLbCreate> { |
| 36 | |
| 37 | public static final String NUMBER_MESSAGES = "numberMessages"; |
| 38 | public static final String REMOTE_MEP_ID = "remoteMepId"; |
| 39 | public static final String REMOTE_MEP_MAC = "remoteMepMac"; |
| 40 | public static final String DATA_TLV_HEX = "dataTlvHex"; |
| 41 | public static final String VLAN_DROP_ELIGIBLE = "vlanDropEligible"; |
| 42 | public static final String VLAN_PRIORITY = "vlanPriority"; |
| 43 | public static final String LOOPBACK = "loopback"; |
| 44 | |
| 45 | @Override |
| 46 | public ObjectNode encode(MepLbCreate mepLbCreate, CodecContext context) { |
| 47 | checkNotNull(mepLbCreate, "Mep Lb Create cannot be null"); |
| 48 | ObjectNode result = context.mapper().createObjectNode() |
| 49 | .put(NUMBER_MESSAGES, mepLbCreate.numberMessages()); |
| 50 | |
| 51 | if (mepLbCreate.remoteMepId() != null) { |
| 52 | result.put(REMOTE_MEP_ID, mepLbCreate.remoteMepId().value()); |
| 53 | } else { |
| 54 | result.put(REMOTE_MEP_MAC, mepLbCreate.remoteMepAddress().toString()); |
| 55 | } |
| 56 | |
| 57 | if (mepLbCreate.dataTlvHex() != null) { |
| 58 | result.put(DATA_TLV_HEX, mepLbCreate.dataTlvHex()); |
| 59 | } |
| 60 | if (mepLbCreate.vlanDropEligible() != null) { |
| 61 | result.put(VLAN_DROP_ELIGIBLE, mepLbCreate.vlanDropEligible()); |
| 62 | } |
| 63 | if (mepLbCreate.vlanPriority() != null) { |
| 64 | result.put(VLAN_PRIORITY, mepLbCreate.vlanPriority().ordinal()); |
| 65 | } |
| 66 | return result; |
| 67 | } |
| 68 | |
| 69 | |
| 70 | @Override |
| 71 | public MepLbCreate decode(ObjectNode json, CodecContext context) { |
| 72 | if (json == null || !json.isObject()) { |
| 73 | return null; |
| 74 | } |
| 75 | |
| 76 | JsonNode loopbackNode = json.get(LOOPBACK); |
| 77 | |
| 78 | JsonNode remoteMepIdNode = loopbackNode.get(REMOTE_MEP_ID); |
| 79 | JsonNode remoteMepMacNode = loopbackNode.get(REMOTE_MEP_MAC); |
| 80 | |
| 81 | MepLbCreate.MepLbCreateBuilder lbCreateBuilder = null; |
| 82 | if (remoteMepIdNode != null) { |
| 83 | MepId remoteMepId = MepId.valueOf((short) remoteMepIdNode.asInt()); |
| 84 | lbCreateBuilder = DefaultMepLbCreate.builder(remoteMepId); |
| 85 | } else if (remoteMepMacNode != null) { |
| 86 | MacAddress remoteMepMac = MacAddress.valueOf( |
| 87 | remoteMepMacNode.asText()); |
| 88 | lbCreateBuilder = DefaultMepLbCreate.builder(remoteMepMac); |
| 89 | } else { |
| 90 | throw new IllegalArgumentException( |
| 91 | "Either a remoteMepId or a remoteMepMac"); |
| 92 | } |
| 93 | |
| 94 | JsonNode numMessagesNode = loopbackNode.get(NUMBER_MESSAGES); |
| 95 | if (numMessagesNode != null) { |
| 96 | int numMessages = numMessagesNode.asInt(); |
| 97 | lbCreateBuilder.numberMessages(numMessages); |
| 98 | } |
| 99 | |
| 100 | JsonNode vlanDropEligibleNode = loopbackNode.get(VLAN_DROP_ELIGIBLE); |
| 101 | if (vlanDropEligibleNode != null) { |
| 102 | boolean vlanDropEligible = vlanDropEligibleNode.asBoolean(); |
| 103 | lbCreateBuilder.vlanDropEligible(vlanDropEligible); |
| 104 | } |
| 105 | |
| 106 | JsonNode vlanPriorityNode = loopbackNode.get(VLAN_PRIORITY); |
| 107 | if (vlanPriorityNode != null) { |
| 108 | short vlanPriority = (short) vlanPriorityNode.asInt(); |
| 109 | lbCreateBuilder.vlanPriority(Priority.values()[vlanPriority]); |
| 110 | } |
| 111 | |
| 112 | JsonNode dataTlvHexNode = loopbackNode.get(DATA_TLV_HEX); |
| 113 | if (dataTlvHexNode != null) { |
| 114 | String dataTlvHex = loopbackNode.get(DATA_TLV_HEX).asText(); |
| 115 | if (!dataTlvHex.isEmpty()) { |
| 116 | lbCreateBuilder.dataTlv(HexString.fromHexString(dataTlvHex)); |
| 117 | } |
| 118 | } |
| 119 | |
| 120 | return lbCreateBuilder.build(); |
| 121 | } |
| 122 | } |