Andreas Pantelopoulos | cdbb22c | 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 | |
Andreas Pantelopoulos | 9685125 | 2018-03-20 13:58:49 -0700 | [diff] [blame^] | 18 | import com.fasterxml.jackson.databind.node.ArrayNode; |
Andreas Pantelopoulos | cdbb22c | 2018-02-23 14:18:00 -0800 | [diff] [blame] | 19 | import com.fasterxml.jackson.databind.node.ObjectNode; |
Andreas Pantelopoulos | 9685125 | 2018-03-20 13:58:49 -0700 | [diff] [blame^] | 20 | import javafx.util.Pair; |
Andreas Pantelopoulos | cdbb22c | 2018-02-23 14:18:00 -0800 | [diff] [blame] | 21 | import org.onlab.packet.MplsLabel; |
| 22 | import org.onlab.packet.VlanId; |
| 23 | import org.onosproject.codec.CodecContext; |
| 24 | import org.onosproject.codec.JsonCodec; |
| 25 | import org.onosproject.net.ConnectPoint; |
| 26 | import org.onosproject.segmentrouting.pwaas.DefaultL2Tunnel; |
| 27 | import org.onosproject.segmentrouting.pwaas.DefaultL2TunnelDescription; |
| 28 | import org.onosproject.segmentrouting.pwaas.DefaultL2TunnelPolicy; |
| 29 | import org.onosproject.segmentrouting.pwaas.L2Mode; |
| 30 | import org.slf4j.Logger; |
| 31 | import org.slf4j.LoggerFactory; |
| 32 | |
Andreas Pantelopoulos | 9685125 | 2018-03-20 13:58:49 -0700 | [diff] [blame^] | 33 | import java.util.List; |
| 34 | |
Andreas Pantelopoulos | cdbb22c | 2018-02-23 14:18:00 -0800 | [diff] [blame] | 35 | import static org.onosproject.segmentrouting.pwaas.PwaasUtil.*; |
| 36 | |
| 37 | /** |
| 38 | * Codec of PseudowireCodec class. |
| 39 | */ |
| 40 | public final class PseudowireCodec extends JsonCodec<DefaultL2TunnelDescription> { |
| 41 | |
| 42 | // JSON field names |
| 43 | private static final String PW_ID = "pwId"; |
| 44 | private static final String CP1 = "cP1"; |
| 45 | private static final String CP2 = "cP2"; |
| 46 | private static final String CP1_INNER_TAG = "cP1InnerTag"; |
| 47 | private static final String CP1_OUTER_TAG = "cP1OuterTag"; |
| 48 | private static final String CP2_INNER_TAG = "cP2InnerTag"; |
| 49 | private static final String CP2_OUTER_TAG = "cP2OouterTag"; |
| 50 | private static final String MODE = "mode"; |
| 51 | private static final String SERVICE_DELIM_TAG = "serviceTag"; |
| 52 | private static final String PW_LABEL = "pwLabel"; |
| 53 | |
Andreas Pantelopoulos | 9685125 | 2018-03-20 13:58:49 -0700 | [diff] [blame^] | 54 | // JSON field names for error in return |
| 55 | private static final String FAILED_PWS = "failedPws"; |
| 56 | private static final String FAILED_PW = "pw"; |
| 57 | private static final String REASON = "reason"; |
| 58 | |
Andreas Pantelopoulos | cdbb22c | 2018-02-23 14:18:00 -0800 | [diff] [blame] | 59 | private static Logger log = LoggerFactory |
| 60 | .getLogger(PseudowireCodec.class); |
| 61 | |
| 62 | @Override |
| 63 | public ObjectNode encode(DefaultL2TunnelDescription pseudowire, CodecContext context) { |
| 64 | final ObjectNode result = context.mapper().createObjectNode() |
| 65 | .put(PW_ID, pseudowire.l2Tunnel().tunnelId()); |
| 66 | |
| 67 | result.put(CP1, pseudowire.l2TunnelPolicy().cP1().toString()); |
| 68 | result.put(CP2, pseudowire.l2TunnelPolicy().cP2().toString()); |
| 69 | |
| 70 | result.put(CP1_INNER_TAG, pseudowire.l2TunnelPolicy().cP1InnerTag().toString()); |
| 71 | result.put(CP1_OUTER_TAG, pseudowire.l2TunnelPolicy().cP1OuterTag().toString()); |
| 72 | |
| 73 | |
| 74 | result.put(CP2_INNER_TAG, pseudowire.l2TunnelPolicy().cP2InnerTag().toString()); |
| 75 | result.put(CP2_OUTER_TAG, pseudowire.l2TunnelPolicy().cP2OuterTag().toString()); |
| 76 | |
| 77 | result.put(MODE, pseudowire.l2Tunnel().pwMode() == L2Mode.RAW ? "RAW" : "TAGGED"); |
| 78 | result.put(SERVICE_DELIM_TAG, pseudowire.l2Tunnel().sdTag().toString()); |
| 79 | result.put(PW_LABEL, pseudowire.l2Tunnel().pwLabel().toString()); |
| 80 | |
| 81 | return result; |
| 82 | } |
| 83 | |
| 84 | /** |
Andreas Pantelopoulos | 9685125 | 2018-03-20 13:58:49 -0700 | [diff] [blame^] | 85 | * Encoded in an Object Node the pseudowire and the specificError it failed. |
| 86 | * |
| 87 | * @param failedPW The failed pseudowire |
| 88 | * @param specificError The specificError it failed |
| 89 | * @param context Our context |
| 90 | * @return A node containing the information we provided |
| 91 | */ |
| 92 | public ObjectNode encodeError(DefaultL2TunnelDescription failedPW, String specificError, |
| 93 | CodecContext context) { |
| 94 | ObjectNode result = context.mapper().createObjectNode(); |
| 95 | |
| 96 | ObjectNode pw = encode(failedPW, context); |
| 97 | result.set(FAILED_PW, pw); |
| 98 | result.put(REASON, specificError); |
| 99 | |
| 100 | return result; |
| 101 | } |
| 102 | |
| 103 | /** |
| 104 | * Returns a JSON containing the failed pseudowires and the reason that its one failed. |
| 105 | * |
| 106 | * @param failedPws Pairs of pws and reasons. |
| 107 | * @param context The context |
| 108 | * @return ObjectNode representing the json to return |
| 109 | */ |
| 110 | public ObjectNode encodeFailedPseudowires( |
| 111 | List<Pair<DefaultL2TunnelDescription, String>> failedPws, |
| 112 | CodecContext context) { |
| 113 | |
| 114 | ArrayNode failedNodes = context.mapper().createArrayNode(); |
| 115 | failedPws.stream() |
| 116 | .forEach(failed -> failedNodes.add(encodeError(failed.getKey(), failed.getValue(), context))); |
| 117 | final ObjectNode toReturn = context.mapper().createObjectNode(); |
| 118 | toReturn.set(FAILED_PWS, failedNodes); |
| 119 | return toReturn; |
| 120 | } |
| 121 | |
| 122 | /** |
Andreas Pantelopoulos | cdbb22c | 2018-02-23 14:18:00 -0800 | [diff] [blame] | 123 | * Decodes a json containg a single field with the pseudowire id. |
| 124 | * |
| 125 | * @param json Json to decode. |
| 126 | * @return The pseudowire id. |
| 127 | */ |
Andreas Pantelopoulos | fc4bc2a | 2018-03-12 16:30:20 -0700 | [diff] [blame] | 128 | public static Integer decodeId(ObjectNode json) { |
Andreas Pantelopoulos | cdbb22c | 2018-02-23 14:18:00 -0800 | [diff] [blame] | 129 | |
| 130 | Integer id = parsePwId(json.path(PW_ID).asText()); |
| 131 | if (id == null) { |
| 132 | log.error("Pseudowire id is not an integer!"); |
| 133 | return null; |
| 134 | } |
| 135 | |
| 136 | return id; |
| 137 | } |
| 138 | |
| 139 | @Override |
| 140 | public DefaultL2TunnelDescription decode(ObjectNode json, CodecContext context) { |
| 141 | |
| 142 | String tempString; |
| 143 | |
| 144 | Integer id = parsePwId(json.path(PW_ID).asText()); |
| 145 | if (id == null) { |
| 146 | log.error("Pseudowire id is not an integer"); |
| 147 | return null; |
| 148 | } |
| 149 | |
| 150 | ConnectPoint cP1, cP2; |
| 151 | try { |
| 152 | tempString = json.path(CP1).asText(); |
| 153 | cP1 = ConnectPoint.deviceConnectPoint(tempString); |
| 154 | } catch (Exception e) { |
| 155 | log.error("cP1 is not a valid connect point!"); |
| 156 | return null; |
| 157 | } |
| 158 | |
| 159 | try { |
| 160 | tempString = json.path(CP2).asText(); |
| 161 | cP2 = ConnectPoint.deviceConnectPoint(tempString); |
| 162 | } catch (Exception e) { |
| 163 | log.error("cP2 is not a valid connect point!"); |
| 164 | return null; |
| 165 | } |
| 166 | |
| 167 | VlanId cP1InnerVlan = parseVlan(json.path(CP1_INNER_TAG).asText()); |
| 168 | VlanId cP1OuterVlan = parseVlan(json.path(CP1_OUTER_TAG).asText()); |
| 169 | VlanId cP2InnerVlan = parseVlan(json.path(CP2_INNER_TAG).asText()); |
| 170 | VlanId cP2OuterVlan = parseVlan(json.path(CP2_OUTER_TAG).asText()); |
| 171 | if ((cP1InnerVlan == null) || (cP1OuterVlan == null) || |
| 172 | (cP2InnerVlan == null) || (cP2OuterVlan == null)) { |
| 173 | log.error("One or more vlan for cp1 or cp2 is malformed, it shouldbe an integer / Any / None / *"); |
| 174 | return null; |
| 175 | } |
| 176 | |
| 177 | L2Mode mode = parseMode(json.path(MODE).asText()); |
| 178 | if (mode == null) { |
| 179 | log.error("Mode should be RAW or TAGGED!"); |
| 180 | return null; |
| 181 | } |
| 182 | |
| 183 | VlanId sdTag = parseVlan(json.path(SERVICE_DELIM_TAG).asText()); |
| 184 | if (sdTag == null) { |
| 185 | log.error("SD tag is malformed, it should be an integer / Any / None / *"); |
| 186 | return null; |
| 187 | } |
| 188 | |
| 189 | MplsLabel pwLabel = parsePWLabel(json.path(PW_LABEL).asText()); |
| 190 | if (pwLabel == null) { |
| 191 | log.error("PW label is malformed, should be an integer!"); |
| 192 | return null; |
| 193 | } |
| 194 | |
| 195 | DefaultL2Tunnel l2Tunnel; |
| 196 | DefaultL2TunnelPolicy l2Policy; |
| 197 | |
| 198 | l2Tunnel = new DefaultL2Tunnel(mode, sdTag, id, pwLabel); |
| 199 | l2Policy = new DefaultL2TunnelPolicy(id, cP1, cP1InnerVlan, cP1OuterVlan, |
| 200 | cP2, cP2InnerVlan, cP2OuterVlan); |
| 201 | |
| 202 | return new DefaultL2TunnelDescription(l2Tunnel, l2Policy); |
| 203 | |
| 204 | } |
| 205 | } |