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 static com.google.common.base.Preconditions.checkNotNull; |
| 19 | import static org.onlab.util.Tools.nullIsIllegal; |
| 20 | |
| 21 | import java.util.List; |
| 22 | |
| 23 | import org.onosproject.codec.CodecContext; |
| 24 | import org.onosproject.codec.JsonCodec; |
| 25 | import org.onosproject.incubator.net.l2monitoring.cfm.Component; |
| 26 | import org.onosproject.incubator.net.l2monitoring.cfm.DefaultMaintenanceAssociation; |
| 27 | import org.onosproject.incubator.net.l2monitoring.cfm.MaintenanceAssociation; |
| 28 | import org.onosproject.incubator.net.l2monitoring.cfm.MaintenanceAssociation.CcmInterval; |
| 29 | import org.onosproject.incubator.net.l2monitoring.cfm.MaintenanceAssociation.MaBuilder; |
| 30 | import org.onosproject.incubator.net.l2monitoring.cfm.identifier.MaId2Octet; |
| 31 | import org.onosproject.incubator.net.l2monitoring.cfm.identifier.MaIdCharStr; |
| 32 | import org.onosproject.incubator.net.l2monitoring.cfm.identifier.MaIdIccY1731; |
| 33 | import org.onosproject.incubator.net.l2monitoring.cfm.identifier.MaIdPrimaryVid; |
| 34 | import org.onosproject.incubator.net.l2monitoring.cfm.identifier.MaIdRfc2685VpnId; |
| 35 | import org.onosproject.incubator.net.l2monitoring.cfm.identifier.MaIdShort; |
| 36 | import org.onosproject.incubator.net.l2monitoring.cfm.identifier.MepId; |
| 37 | import org.onosproject.incubator.net.l2monitoring.cfm.service.CfmConfigException; |
| 38 | |
| 39 | import com.fasterxml.jackson.databind.JsonNode; |
| 40 | import com.fasterxml.jackson.databind.node.ArrayNode; |
| 41 | import com.fasterxml.jackson.databind.node.ObjectNode; |
| 42 | |
| 43 | /** |
| 44 | * Encode and decode to/from JSON to MaintenanceAssociation object. |
| 45 | */ |
| 46 | public class MaintenanceAssociationCodec extends JsonCodec<MaintenanceAssociation> { |
| 47 | |
| 48 | private static final String MA_NAME_TYPE = "maNameType"; |
| 49 | private static final String MA_NUMERIC_ID = "maNumericId"; |
| 50 | private static final String MA_NAME = "maName"; |
| 51 | private static final String CCM_INTERVAL = "ccm-interval"; |
| 52 | private static final String COMPONENT_LIST = "component-list"; |
| 53 | private static final String RMEP_LIST = "rmep-list"; |
| 54 | private static final String MA = "ma"; |
| 55 | |
| 56 | @Override |
| 57 | public ObjectNode encode(MaintenanceAssociation ma, CodecContext context) { |
| 58 | checkNotNull(ma, "Maintenance Association cannot be null"); |
| 59 | ObjectNode result = context.mapper().createObjectNode() |
| 60 | .put(MA_NAME, ma.maId().toString()) |
| 61 | .put(MA_NAME_TYPE, ma.maId().nameType().name()); |
| 62 | if (ma.maNumericId() > 0) { |
| 63 | result = result.put(MA_NUMERIC_ID, ma.maNumericId()); |
| 64 | } |
| 65 | if (ma.ccmInterval() != null) { |
| 66 | result = result.put(CCM_INTERVAL, ma.ccmInterval().name()); |
| 67 | } |
| 68 | |
| 69 | result.set(COMPONENT_LIST, new ComponentCodec().encode(ma.componentList(), context)); |
| 70 | result.set(RMEP_LIST, new RMepCodec().encode(ma.remoteMepIdList(), context)); |
| 71 | |
| 72 | return result; |
| 73 | } |
| 74 | |
| 75 | public MaintenanceAssociation decode(ObjectNode json, CodecContext context, int mdNameLen) { |
| 76 | if (json == null || !json.isObject()) { |
| 77 | return null; |
| 78 | } |
| 79 | |
| 80 | JsonNode maNode = json.get(MA); |
| 81 | |
| 82 | String maName = nullIsIllegal(maNode.get(MA_NAME), "maName is required").asText(); |
| 83 | String maNameType = MaIdShort.MaIdType.CHARACTERSTRING.name(); |
| 84 | if (maNode.get(MA_NAME_TYPE) != null) { |
| 85 | maNameType = maNode.get(MA_NAME_TYPE).asText(); |
| 86 | } |
| 87 | |
| 88 | try { |
| 89 | MaIdShort maId = null; |
| 90 | MaIdShort.MaIdType maIdType = MaIdShort.MaIdType.valueOf(maNameType); |
| 91 | switch (maIdType) { |
| 92 | case PRIMARYVID: |
| 93 | maId = MaIdPrimaryVid.asMaId(maName); |
| 94 | break; |
| 95 | case TWOOCTET: |
| 96 | maId = MaId2Octet.asMaId(maName); |
| 97 | break; |
| 98 | case RFC2685VPNID: |
| 99 | maId = MaIdRfc2685VpnId.asMaIdHex(maName); |
| 100 | break; |
| 101 | case ICCY1731: |
| 102 | maId = MaIdIccY1731.asMaId(maName); |
| 103 | break; |
| 104 | case CHARACTERSTRING: |
| 105 | default: |
| 106 | maId = MaIdCharStr.asMaId(maName); |
| 107 | } |
| 108 | MaBuilder builder = |
| 109 | DefaultMaintenanceAssociation.builder(maId, mdNameLen); |
| 110 | |
| 111 | JsonNode maNumericIdNode = maNode.get(MA_NUMERIC_ID); |
| 112 | if (maNumericIdNode != null) { |
| 113 | short mdNumericId = (short) maNumericIdNode.asInt(); |
| 114 | builder = builder.maNumericId(mdNumericId); |
| 115 | } |
| 116 | if (maNode.get(CCM_INTERVAL) != null) { |
| 117 | builder.ccmInterval(CcmInterval.valueOf(maNode.get(CCM_INTERVAL).asText())); |
| 118 | } |
| 119 | |
| 120 | List<Component> componentList = (new ComponentCodec()).decode((ArrayNode) |
| 121 | nullIsIllegal(maNode.get(COMPONENT_LIST), |
| 122 | "component-list is required"), context); |
| 123 | for (Component component:componentList) { |
| 124 | builder = builder.addToComponentList(component); |
| 125 | } |
| 126 | |
| 127 | List<MepId> remoteMeps = (new RMepCodec()).decode( |
| 128 | (ArrayNode) nullIsIllegal(maNode.get(RMEP_LIST), "rmep-list is required"), context); |
| 129 | for (MepId remoteMep:remoteMeps) { |
| 130 | builder = builder.addToRemoteMepIdList(remoteMep); |
| 131 | } |
| 132 | |
| 133 | return builder.build(); |
| 134 | } catch (CfmConfigException e) { |
| 135 | throw new IllegalArgumentException(e); |
| 136 | } |
| 137 | |
| 138 | } |
| 139 | |
| 140 | @Override |
| 141 | public ArrayNode encode(Iterable<MaintenanceAssociation> maEntities, CodecContext context) { |
| 142 | ArrayNode an = context.mapper().createArrayNode(); |
| 143 | maEntities.forEach(ma -> an.add(encode(ma, context))); |
| 144 | return an; |
| 145 | } |
| 146 | } |