Jian Li | 7d36157 | 2017-01-13 11:39:37 +0900 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2017-present Open Networking Laboratory |
| 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.provider.lisp.mapping.impl; |
| 17 | |
Jian Li | 55648ed | 2017-05-01 02:20:55 +0900 | [diff] [blame] | 18 | import com.google.common.collect.Lists; |
Jian Li | 7d36157 | 2017-01-13 11:39:37 +0900 | [diff] [blame] | 19 | import org.apache.felix.scr.annotations.Activate; |
| 20 | import org.apache.felix.scr.annotations.Component; |
| 21 | import org.apache.felix.scr.annotations.Deactivate; |
| 22 | import org.apache.felix.scr.annotations.Reference; |
| 23 | import org.apache.felix.scr.annotations.ReferenceCardinality; |
| 24 | import org.onosproject.lisp.ctl.LispController; |
| 25 | import org.onosproject.lisp.ctl.LispMessageListener; |
| 26 | import org.onosproject.lisp.ctl.LispRouterId; |
| 27 | import org.onosproject.lisp.ctl.LispRouterListener; |
Jian Li | 55648ed | 2017-05-01 02:20:55 +0900 | [diff] [blame] | 28 | import org.onosproject.lisp.msg.protocols.LispEidRecord; |
Jian Li | b8436bb | 2017-02-23 03:39:08 +0900 | [diff] [blame] | 29 | import org.onosproject.lisp.msg.protocols.LispMapRecord; |
Jian Li | 7707933 | 2017-04-24 19:35:36 +0900 | [diff] [blame] | 30 | import org.onosproject.lisp.msg.protocols.LispMapRegister; |
Jian Li | 77d6e75 | 2017-01-29 23:24:18 +0900 | [diff] [blame] | 31 | import org.onosproject.lisp.msg.protocols.LispMapReply; |
Jian Li | 55648ed | 2017-05-01 02:20:55 +0900 | [diff] [blame] | 32 | import org.onosproject.lisp.msg.protocols.LispMapRequest; |
Jian Li | 7d36157 | 2017-01-13 11:39:37 +0900 | [diff] [blame] | 33 | import org.onosproject.lisp.msg.protocols.LispMessage; |
Jian Li | 77d6e75 | 2017-01-29 23:24:18 +0900 | [diff] [blame] | 34 | import org.onosproject.mapping.MappingEntry; |
Jian Li | 55648ed | 2017-05-01 02:20:55 +0900 | [diff] [blame] | 35 | import org.onosproject.mapping.MappingKey; |
Jian Li | 77d6e75 | 2017-01-29 23:24:18 +0900 | [diff] [blame] | 36 | import org.onosproject.mapping.MappingProvider; |
| 37 | import org.onosproject.mapping.MappingProviderRegistry; |
| 38 | import org.onosproject.mapping.MappingProviderService; |
Jian Li | b8436bb | 2017-02-23 03:39:08 +0900 | [diff] [blame] | 39 | import org.onosproject.mapping.MappingStore; |
Jian Li | 77d6e75 | 2017-01-29 23:24:18 +0900 | [diff] [blame] | 40 | import org.onosproject.net.DeviceId; |
Jian Li | e5aa5df | 2017-04-02 22:40:56 +0900 | [diff] [blame] | 41 | import org.onosproject.net.device.DeviceService; |
Jian Li | 7d36157 | 2017-01-13 11:39:37 +0900 | [diff] [blame] | 42 | import org.onosproject.net.provider.AbstractProvider; |
| 43 | import org.onosproject.net.provider.ProviderId; |
Jian Li | 77d6e75 | 2017-01-29 23:24:18 +0900 | [diff] [blame] | 44 | import org.onosproject.provider.lisp.mapping.util.MappingEntryBuilder; |
Jian Li | 55648ed | 2017-05-01 02:20:55 +0900 | [diff] [blame] | 45 | import org.onosproject.provider.lisp.mapping.util.MappingKeyBuilder; |
Jian Li | 7d36157 | 2017-01-13 11:39:37 +0900 | [diff] [blame] | 46 | import org.slf4j.Logger; |
| 47 | import org.slf4j.LoggerFactory; |
| 48 | |
Jian Li | ded8001 | 2017-04-24 22:13:22 +0900 | [diff] [blame] | 49 | import java.net.URI; |
| 50 | import java.net.URISyntaxException; |
Jian Li | b8436bb | 2017-02-23 03:39:08 +0900 | [diff] [blame] | 51 | import java.util.List; |
| 52 | |
Jian Li | c7badf9 | 2017-02-02 19:43:46 +0900 | [diff] [blame] | 53 | import static org.onosproject.mapping.MappingStore.Type.MAP_CACHE; |
| 54 | import static org.onosproject.mapping.MappingStore.Type.MAP_DATABASE; |
| 55 | |
Jian Li | 7d36157 | 2017-01-13 11:39:37 +0900 | [diff] [blame] | 56 | /** |
| 57 | * Provider which uses a LISP controller to manage EID-RLOC mapping. |
| 58 | */ |
| 59 | @Component(immediate = true) |
Jian Li | 77d6e75 | 2017-01-29 23:24:18 +0900 | [diff] [blame] | 60 | public class LispMappingProvider extends AbstractProvider implements MappingProvider { |
Jian Li | 7d36157 | 2017-01-13 11:39:37 +0900 | [diff] [blame] | 61 | |
| 62 | private static final Logger log = LoggerFactory.getLogger(LispMappingProvider.class); |
| 63 | |
| 64 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 65 | protected LispController controller; |
| 66 | |
Jian Li | 77d6e75 | 2017-01-29 23:24:18 +0900 | [diff] [blame] | 67 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 68 | protected MappingProviderRegistry providerRegistry; |
| 69 | |
Jian Li | e5aa5df | 2017-04-02 22:40:56 +0900 | [diff] [blame] | 70 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 71 | protected DeviceService deviceService; |
| 72 | |
Jian Li | 77d6e75 | 2017-01-29 23:24:18 +0900 | [diff] [blame] | 73 | protected MappingProviderService providerService; |
| 74 | |
Jian Li | 7d36157 | 2017-01-13 11:39:37 +0900 | [diff] [blame] | 75 | private static final String SCHEME_NAME = "lisp"; |
| 76 | private static final String MAPPING_PROVIDER_PACKAGE = |
| 77 | "org.onosproject.lisp.provider.mapping"; |
| 78 | |
| 79 | private final InternalMappingProvider listener = new InternalMappingProvider(); |
| 80 | |
| 81 | /** |
| 82 | * Creates a LISP mapping provider with the supplier identifier. |
| 83 | */ |
| 84 | public LispMappingProvider() { |
| 85 | super(new ProviderId(SCHEME_NAME, MAPPING_PROVIDER_PACKAGE)); |
| 86 | } |
| 87 | |
| 88 | @Activate |
| 89 | public void activate() { |
| 90 | |
Jian Li | 77d6e75 | 2017-01-29 23:24:18 +0900 | [diff] [blame] | 91 | providerService = providerRegistry.register(this); |
| 92 | |
Jian Li | 7d36157 | 2017-01-13 11:39:37 +0900 | [diff] [blame] | 93 | // listens all LISP router related events |
| 94 | controller.addRouterListener(listener); |
| 95 | |
| 96 | // listens all LISP control message |
| 97 | controller.addMessageListener(listener); |
| 98 | |
| 99 | log.info("Started"); |
| 100 | } |
| 101 | |
| 102 | @Deactivate |
| 103 | public void deactivate() { |
| 104 | |
Jian Li | 77d6e75 | 2017-01-29 23:24:18 +0900 | [diff] [blame] | 105 | providerRegistry.unregister(this); |
| 106 | |
Jian Li | 7d36157 | 2017-01-13 11:39:37 +0900 | [diff] [blame] | 107 | // stops listening all LISP router related events |
| 108 | controller.removeRouterListener(listener); |
| 109 | |
| 110 | // stops listening all LISP control messages |
| 111 | controller.removeMessageListener(listener); |
| 112 | |
Jian Li | 77d6e75 | 2017-01-29 23:24:18 +0900 | [diff] [blame] | 113 | providerService = null; |
| 114 | |
Jian Li | 7d36157 | 2017-01-13 11:39:37 +0900 | [diff] [blame] | 115 | log.info("Stopped"); |
| 116 | } |
| 117 | |
| 118 | /** |
| 119 | * A listener for LISP router events and control messages. |
| 120 | */ |
| 121 | private class InternalMappingProvider implements LispRouterListener, |
| 122 | LispMessageListener { |
| 123 | |
| 124 | @Override |
| 125 | public void routerAdded(LispRouterId routerId) { |
| 126 | |
| 127 | } |
| 128 | |
| 129 | @Override |
| 130 | public void routerRemoved(LispRouterId routerId) { |
| 131 | |
| 132 | } |
| 133 | |
| 134 | @Override |
| 135 | public void routerChanged(LispRouterId routerId) { |
| 136 | |
| 137 | } |
| 138 | |
| 139 | @Override |
| 140 | public void handleIncomingMessage(LispRouterId routerId, LispMessage msg) { |
Jian Li | 7707933 | 2017-04-24 19:35:36 +0900 | [diff] [blame] | 141 | if (providerService == null) { |
| 142 | log.warn("provider service has not been initialized"); |
| 143 | return; |
| 144 | } |
Jian Li | 7d36157 | 2017-01-13 11:39:37 +0900 | [diff] [blame] | 145 | |
Jian Li | ded8001 | 2017-04-24 22:13:22 +0900 | [diff] [blame] | 146 | DeviceId deviceId = getDeviceId(routerId.toString()); |
Jian Li | 7707933 | 2017-04-24 19:35:36 +0900 | [diff] [blame] | 147 | switch (msg.getType()) { |
| 148 | |
| 149 | case LISP_MAP_REQUEST: |
Jian Li | 55648ed | 2017-05-01 02:20:55 +0900 | [diff] [blame] | 150 | LispMapRequest request = (LispMapRequest) msg; |
| 151 | List<LispEidRecord> records = request.getEids(); |
| 152 | List<MappingKey> keys = Lists.newArrayList(); |
| 153 | records.forEach(r -> keys.add(new MappingKeyBuilder(deviceService, |
| 154 | deviceId, r.getPrefix()).build())); |
Jian Li | 38bb109 | 2017-05-01 15:04:32 +0900 | [diff] [blame^] | 155 | // TODO: returned mapping values will be converted to |
| 156 | // protocol specifics and wrapped into a mapping record |
| 157 | providerService.mappingQueried(keys); |
Jian Li | 7707933 | 2017-04-24 19:35:36 +0900 | [diff] [blame] | 158 | break; |
| 159 | |
| 160 | case LISP_MAP_REGISTER: |
| 161 | LispMapRegister register = (LispMapRegister) msg; |
| 162 | processMappings(deviceId, register.getMapRecords(), MAP_DATABASE); |
| 163 | break; |
| 164 | |
| 165 | default: |
| 166 | log.warn("Unhandled message type: {}", msg.getType()); |
| 167 | } |
Jian Li | 7d36157 | 2017-01-13 11:39:37 +0900 | [diff] [blame] | 168 | } |
| 169 | |
| 170 | @Override |
| 171 | public void handleOutgoingMessage(LispRouterId routerId, LispMessage msg) { |
Jian Li | 77d6e75 | 2017-01-29 23:24:18 +0900 | [diff] [blame] | 172 | if (providerService == null) { |
Jian Li | 7707933 | 2017-04-24 19:35:36 +0900 | [diff] [blame] | 173 | log.warn("provider service has not been initialized"); |
Jian Li | 77d6e75 | 2017-01-29 23:24:18 +0900 | [diff] [blame] | 174 | return; |
| 175 | } |
Jian Li | 7d36157 | 2017-01-13 11:39:37 +0900 | [diff] [blame] | 176 | |
Jian Li | ded8001 | 2017-04-24 22:13:22 +0900 | [diff] [blame] | 177 | DeviceId deviceId = getDeviceId(routerId.toString()); |
Jian Li | 77d6e75 | 2017-01-29 23:24:18 +0900 | [diff] [blame] | 178 | switch (msg.getType()) { |
| 179 | |
| 180 | case LISP_MAP_REPLY: |
| 181 | LispMapReply reply = (LispMapReply) msg; |
Jian Li | b8436bb | 2017-02-23 03:39:08 +0900 | [diff] [blame] | 182 | processMappings(deviceId, reply.getMapRecords(), MAP_CACHE); |
Jian Li | 77d6e75 | 2017-01-29 23:24:18 +0900 | [diff] [blame] | 183 | break; |
| 184 | |
| 185 | case LISP_MAP_NOTIFY: |
Jian Li | 55648ed | 2017-05-01 02:20:55 +0900 | [diff] [blame] | 186 | // not take any action for map notify, and we've already |
| 187 | // store the mapping when receives map register message |
Jian Li | 77d6e75 | 2017-01-29 23:24:18 +0900 | [diff] [blame] | 188 | break; |
| 189 | |
| 190 | default: |
| 191 | log.warn("Unhandled message type: {}", msg.getType()); |
| 192 | } |
Jian Li | 7d36157 | 2017-01-13 11:39:37 +0900 | [diff] [blame] | 193 | } |
Jian Li | b8436bb | 2017-02-23 03:39:08 +0900 | [diff] [blame] | 194 | |
| 195 | /** |
| 196 | * Converts map records into mapping, notifies to provider. |
| 197 | * |
| 198 | * @param deviceId device identifier |
| 199 | * @param records a collection of map records |
| 200 | * @param type MappingStore type |
| 201 | */ |
| 202 | private void processMappings(DeviceId deviceId, |
| 203 | List<LispMapRecord> records, |
| 204 | MappingStore.Type type) { |
| 205 | records.forEach(r -> { |
Jian Li | e5aa5df | 2017-04-02 22:40:56 +0900 | [diff] [blame] | 206 | MappingEntry me = |
| 207 | new MappingEntryBuilder(deviceId, r, deviceService).build(); |
Jian Li | b8436bb | 2017-02-23 03:39:08 +0900 | [diff] [blame] | 208 | providerService.mappingAdded(me, type); |
| 209 | }); |
| 210 | } |
Jian Li | 7d36157 | 2017-01-13 11:39:37 +0900 | [diff] [blame] | 211 | } |
Jian Li | ded8001 | 2017-04-24 22:13:22 +0900 | [diff] [blame] | 212 | |
| 213 | /** |
| 214 | * Obtains the DeviceId contains IP address of LISP router. |
| 215 | * |
| 216 | * @param ip IP address |
| 217 | * @return DeviceId device identifier |
| 218 | */ |
| 219 | private DeviceId getDeviceId(String ip) { |
| 220 | try { |
| 221 | return DeviceId.deviceId(new URI(SCHEME_NAME, ip, null)); |
| 222 | } catch (URISyntaxException e) { |
| 223 | throw new IllegalArgumentException("Unable to build deviceID for device " |
| 224 | + ip, e); |
| 225 | } |
| 226 | } |
Jian Li | 7d36157 | 2017-01-13 11:39:37 +0900 | [diff] [blame] | 227 | } |