Andreas Pantelopoulos | cd33959 | 2018-02-23 14:18:00 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2015-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.segmentrouting.web; |
| 17 | |
| 18 | import com.fasterxml.jackson.databind.node.ObjectNode; |
| 19 | import org.onlab.packet.MplsLabel; |
| 20 | import org.onlab.packet.VlanId; |
| 21 | import org.onosproject.codec.CodecContext; |
| 22 | import org.onosproject.codec.JsonCodec; |
| 23 | import org.onosproject.net.ConnectPoint; |
| 24 | import org.onosproject.segmentrouting.pwaas.DefaultL2Tunnel; |
| 25 | import org.onosproject.segmentrouting.pwaas.DefaultL2TunnelDescription; |
| 26 | import org.onosproject.segmentrouting.pwaas.DefaultL2TunnelPolicy; |
| 27 | import org.onosproject.segmentrouting.pwaas.L2Mode; |
| 28 | import org.slf4j.Logger; |
| 29 | import org.slf4j.LoggerFactory; |
| 30 | |
| 31 | import static org.onosproject.segmentrouting.pwaas.PwaasUtil.*; |
| 32 | |
| 33 | /** |
| 34 | * Codec of PseudowireCodec class. |
| 35 | */ |
| 36 | public final class PseudowireCodec extends JsonCodec<DefaultL2TunnelDescription> { |
| 37 | |
| 38 | // JSON field names |
| 39 | private static final String PW_ID = "pwId"; |
| 40 | private static final String CP1 = "cP1"; |
| 41 | private static final String CP2 = "cP2"; |
| 42 | private static final String CP1_INNER_TAG = "cP1InnerTag"; |
| 43 | private static final String CP1_OUTER_TAG = "cP1OuterTag"; |
| 44 | private static final String CP2_INNER_TAG = "cP2InnerTag"; |
| 45 | private static final String CP2_OUTER_TAG = "cP2OouterTag"; |
| 46 | private static final String MODE = "mode"; |
| 47 | private static final String SERVICE_DELIM_TAG = "serviceTag"; |
| 48 | private static final String PW_LABEL = "pwLabel"; |
| 49 | |
| 50 | private static Logger log = LoggerFactory |
| 51 | .getLogger(PseudowireCodec.class); |
| 52 | |
| 53 | @Override |
| 54 | public ObjectNode encode(DefaultL2TunnelDescription pseudowire, CodecContext context) { |
| 55 | final ObjectNode result = context.mapper().createObjectNode() |
| 56 | .put(PW_ID, pseudowire.l2Tunnel().tunnelId()); |
| 57 | |
| 58 | result.put(CP1, pseudowire.l2TunnelPolicy().cP1().toString()); |
| 59 | result.put(CP2, pseudowire.l2TunnelPolicy().cP2().toString()); |
| 60 | |
| 61 | result.put(CP1_INNER_TAG, pseudowire.l2TunnelPolicy().cP1InnerTag().toString()); |
| 62 | result.put(CP1_OUTER_TAG, pseudowire.l2TunnelPolicy().cP1OuterTag().toString()); |
| 63 | |
| 64 | |
| 65 | result.put(CP2_INNER_TAG, pseudowire.l2TunnelPolicy().cP2InnerTag().toString()); |
| 66 | result.put(CP2_OUTER_TAG, pseudowire.l2TunnelPolicy().cP2OuterTag().toString()); |
| 67 | |
| 68 | result.put(MODE, pseudowire.l2Tunnel().pwMode() == L2Mode.RAW ? "RAW" : "TAGGED"); |
| 69 | result.put(SERVICE_DELIM_TAG, pseudowire.l2Tunnel().sdTag().toString()); |
| 70 | result.put(PW_LABEL, pseudowire.l2Tunnel().pwLabel().toString()); |
| 71 | |
| 72 | return result; |
| 73 | } |
| 74 | |
| 75 | /** |
| 76 | * Decodes a json containg a single field with the pseudowire id. |
| 77 | * |
| 78 | * @param json Json to decode. |
| 79 | * @return The pseudowire id. |
| 80 | */ |
Andreas Pantelopoulos | ff691b7 | 2018-03-12 16:30:20 -0700 | [diff] [blame^] | 81 | public static Integer decodeId(ObjectNode json) { |
Andreas Pantelopoulos | cd33959 | 2018-02-23 14:18:00 -0800 | [diff] [blame] | 82 | |
| 83 | Integer id = parsePwId(json.path(PW_ID).asText()); |
| 84 | if (id == null) { |
| 85 | log.error("Pseudowire id is not an integer!"); |
| 86 | return null; |
| 87 | } |
| 88 | |
| 89 | return id; |
| 90 | } |
| 91 | |
| 92 | @Override |
| 93 | public DefaultL2TunnelDescription decode(ObjectNode json, CodecContext context) { |
| 94 | |
| 95 | String tempString; |
| 96 | |
| 97 | Integer id = parsePwId(json.path(PW_ID).asText()); |
| 98 | if (id == null) { |
| 99 | log.error("Pseudowire id is not an integer"); |
| 100 | return null; |
| 101 | } |
| 102 | |
| 103 | ConnectPoint cP1, cP2; |
| 104 | try { |
| 105 | tempString = json.path(CP1).asText(); |
| 106 | cP1 = ConnectPoint.deviceConnectPoint(tempString); |
| 107 | } catch (Exception e) { |
| 108 | log.error("cP1 is not a valid connect point!"); |
| 109 | return null; |
| 110 | } |
| 111 | |
| 112 | try { |
| 113 | tempString = json.path(CP2).asText(); |
| 114 | cP2 = ConnectPoint.deviceConnectPoint(tempString); |
| 115 | } catch (Exception e) { |
| 116 | log.error("cP2 is not a valid connect point!"); |
| 117 | return null; |
| 118 | } |
| 119 | |
| 120 | VlanId cP1InnerVlan = parseVlan(json.path(CP1_INNER_TAG).asText()); |
| 121 | VlanId cP1OuterVlan = parseVlan(json.path(CP1_OUTER_TAG).asText()); |
| 122 | VlanId cP2InnerVlan = parseVlan(json.path(CP2_INNER_TAG).asText()); |
| 123 | VlanId cP2OuterVlan = parseVlan(json.path(CP2_OUTER_TAG).asText()); |
| 124 | if ((cP1InnerVlan == null) || (cP1OuterVlan == null) || |
| 125 | (cP2InnerVlan == null) || (cP2OuterVlan == null)) { |
| 126 | log.error("One or more vlan for cp1 or cp2 is malformed, it shouldbe an integer / Any / None / *"); |
| 127 | return null; |
| 128 | } |
| 129 | |
| 130 | L2Mode mode = parseMode(json.path(MODE).asText()); |
| 131 | if (mode == null) { |
| 132 | log.error("Mode should be RAW or TAGGED!"); |
| 133 | return null; |
| 134 | } |
| 135 | |
| 136 | VlanId sdTag = parseVlan(json.path(SERVICE_DELIM_TAG).asText()); |
| 137 | if (sdTag == null) { |
| 138 | log.error("SD tag is malformed, it should be an integer / Any / None / *"); |
| 139 | return null; |
| 140 | } |
| 141 | |
| 142 | MplsLabel pwLabel = parsePWLabel(json.path(PW_LABEL).asText()); |
| 143 | if (pwLabel == null) { |
| 144 | log.error("PW label is malformed, should be an integer!"); |
| 145 | return null; |
| 146 | } |
| 147 | |
| 148 | DefaultL2Tunnel l2Tunnel; |
| 149 | DefaultL2TunnelPolicy l2Policy; |
| 150 | |
| 151 | l2Tunnel = new DefaultL2Tunnel(mode, sdTag, id, pwLabel); |
| 152 | l2Policy = new DefaultL2TunnelPolicy(id, cP1, cP1InnerVlan, cP1OuterVlan, |
| 153 | cP2, cP2InnerVlan, cP2OuterVlan); |
| 154 | |
| 155 | return new DefaultL2TunnelDescription(l2Tunnel, l2Policy); |
| 156 | |
| 157 | } |
| 158 | } |