Jian Li | f9ec083 | 2017-04-09 20:49:48 +0900 | [diff] [blame] | 1 | /* |
Brian O'Connor | a09fe5b | 2017-08-03 21:12:30 -0700 | [diff] [blame] | 2 | * Copyright 2017-present Open Networking Foundation |
Jian Li | f9ec083 | 2017-04-09 20:49:48 +0900 | [diff] [blame] | 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.drivers.lisp.extensions.codec; |
| 17 | |
| 18 | import com.fasterxml.jackson.databind.JsonNode; |
| 19 | import com.fasterxml.jackson.databind.node.ArrayNode; |
| 20 | import com.fasterxml.jackson.databind.node.ObjectNode; |
| 21 | import com.google.common.collect.Lists; |
| 22 | import org.onosproject.codec.CodecContext; |
| 23 | import org.onosproject.codec.JsonCodec; |
| 24 | import org.onosproject.drivers.lisp.extensions.LispNatAddress; |
| 25 | import org.onosproject.mapping.addresses.MappingAddress; |
| 26 | |
| 27 | import java.util.List; |
| 28 | import java.util.stream.IntStream; |
| 29 | |
| 30 | import static com.google.common.base.Preconditions.checkNotNull; |
| 31 | |
| 32 | /** |
| 33 | * LISP NAT address codec. |
| 34 | */ |
| 35 | public final class LispNatAddressCodec extends JsonCodec<LispNatAddress> { |
| 36 | |
Ray Milkey | 9c9cde4 | 2018-01-12 14:22:06 -0800 | [diff] [blame^] | 37 | static final String MS_UDP_PORT_NUMBER = "msUdpPortNumber"; |
| 38 | static final String ETR_UDP_PORT_NUMBER = "etrUdpPortNumber"; |
| 39 | static final String GLOBAL_ETR_RLOC_ADDRESS = "globalEtrRlocAddress"; |
| 40 | static final String MS_RLOC_ADDRESS = "msRlocAddress"; |
| 41 | static final String PRIVATE_ETR_RLOC_ADDRESS = "privateEtrRlocAddress"; |
| 42 | static final String RTR_RLOC_ADDRESSES = "rtrRlocAddresses"; |
Jian Li | f9ec083 | 2017-04-09 20:49:48 +0900 | [diff] [blame] | 43 | |
| 44 | private static final String MISSING_MEMBER_MESSAGE = |
| 45 | " member is required in LispListAddress"; |
| 46 | |
| 47 | @Override |
| 48 | public ObjectNode encode(LispNatAddress address, CodecContext context) { |
| 49 | checkNotNull(address, "LispListAddress cannot be null"); |
| 50 | |
| 51 | final ObjectNode result = context.mapper().createObjectNode() |
| 52 | .put(MS_UDP_PORT_NUMBER, address.getMsUdpPortNumber()) |
| 53 | .put(ETR_UDP_PORT_NUMBER, address.getEtrUdpPortNumber()); |
| 54 | |
| 55 | final JsonCodec<MappingAddress> addressCodec = |
| 56 | context.codec(MappingAddress.class); |
| 57 | |
| 58 | if (address.getGlobalEtrRlocAddress() != null) { |
| 59 | ObjectNode globalEtrRlocNode = |
| 60 | addressCodec.encode(address.getGlobalEtrRlocAddress(), context); |
| 61 | result.set(GLOBAL_ETR_RLOC_ADDRESS, globalEtrRlocNode); |
| 62 | } |
| 63 | |
| 64 | if (address.getMsRlocAddress() != null) { |
| 65 | ObjectNode msRlocNode = |
| 66 | addressCodec.encode(address.getMsRlocAddress(), context); |
| 67 | result.set(MS_RLOC_ADDRESS, msRlocNode); |
| 68 | } |
| 69 | |
| 70 | if (address.getPrivateEtrRlocAddress() != null) { |
| 71 | ObjectNode privateEtrRlocNode = |
| 72 | addressCodec.encode(address.getPrivateEtrRlocAddress(), context); |
| 73 | result.set(PRIVATE_ETR_RLOC_ADDRESS, privateEtrRlocNode); |
| 74 | } |
| 75 | |
| 76 | final ArrayNode jsonRtrRlocNodes = result.putArray(RTR_RLOC_ADDRESSES); |
| 77 | |
| 78 | if (address.getRtrRlocAddresses() != null) { |
| 79 | for (final MappingAddress mappingAddress : address.getRtrRlocAddresses()) { |
| 80 | jsonRtrRlocNodes.add(addressCodec.encode(mappingAddress, context)); |
| 81 | } |
| 82 | } |
| 83 | |
| 84 | return result; |
| 85 | } |
| 86 | |
| 87 | @Override |
| 88 | public LispNatAddress decode(ObjectNode json, CodecContext context) { |
| 89 | if (json == null || !json.isObject()) { |
| 90 | return null; |
| 91 | } |
| 92 | |
| 93 | final JsonCodec<MappingAddress> addressCodec = |
| 94 | context.codec(MappingAddress.class); |
| 95 | |
| 96 | short msUdpPortNumber = (short) json.get(MS_UDP_PORT_NUMBER).asInt(); |
| 97 | short etrUdpPortNumber = (short) json.get(ETR_UDP_PORT_NUMBER).asInt(); |
| 98 | |
| 99 | ObjectNode globalEtrRlocJson = get(json, GLOBAL_ETR_RLOC_ADDRESS); |
| 100 | ObjectNode msRlocJson = get(json, MS_RLOC_ADDRESS); |
| 101 | ObjectNode privateEtrRlocJson = get(json, PRIVATE_ETR_RLOC_ADDRESS); |
| 102 | JsonNode rtrRlocJson = json.get(RTR_RLOC_ADDRESSES); |
| 103 | MappingAddress globalEtrRlocAddress = null; |
| 104 | MappingAddress msRlocAddress = null; |
| 105 | MappingAddress privateEtrRlocAddress = null; |
| 106 | List<MappingAddress> rtrRlocAddresses = Lists.newArrayList(); |
| 107 | |
| 108 | if (globalEtrRlocJson != null) { |
| 109 | globalEtrRlocAddress = addressCodec.decode(globalEtrRlocJson, context); |
| 110 | } |
| 111 | |
| 112 | if (msRlocJson != null) { |
| 113 | msRlocAddress = addressCodec.decode(msRlocJson, context); |
| 114 | } |
| 115 | |
| 116 | if (privateEtrRlocJson != null) { |
| 117 | privateEtrRlocAddress = addressCodec.decode(privateEtrRlocJson, context); |
| 118 | } |
| 119 | |
| 120 | if (rtrRlocJson != null) { |
| 121 | IntStream.range(0, rtrRlocJson.size()) |
| 122 | .forEach(i -> rtrRlocAddresses.add( |
| 123 | addressCodec.decode(get(rtrRlocJson, i), context))); |
| 124 | } |
| 125 | |
| 126 | return new LispNatAddress.Builder() |
| 127 | .withMsUdpPortNumber(msUdpPortNumber) |
| 128 | .withEtrUdpPortNumber(etrUdpPortNumber) |
| 129 | .withGlobalEtrRlocAddress(globalEtrRlocAddress) |
| 130 | .withMsRlocAddress(msRlocAddress) |
| 131 | .withPrivateEtrRlocAddress(privateEtrRlocAddress) |
| 132 | .withRtrRlocAddresses(rtrRlocAddresses) |
| 133 | .build(); |
| 134 | } |
| 135 | } |