tony-liu | c3f9b65 | 2016-11-10 15:28:17 +0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2016-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 | |
| 17 | package org.onosproject.tetunnel.impl; |
| 18 | |
| 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.apache.felix.scr.annotations.Service; |
| 25 | import org.onosproject.core.ApplicationId; |
| 26 | import org.onosproject.core.CoreService; |
| 27 | import org.onosproject.core.DefaultGroupId; |
| 28 | import org.onosproject.incubator.net.tunnel.DefaultTunnel; |
| 29 | import org.onosproject.incubator.net.tunnel.Tunnel; |
| 30 | import org.onosproject.incubator.net.tunnel.TunnelAdminService; |
| 31 | import org.onosproject.incubator.net.tunnel.TunnelId; |
| 32 | import org.onosproject.incubator.net.tunnel.TunnelName; |
| 33 | import org.onosproject.incubator.net.tunnel.TunnelService; |
| 34 | import org.onosproject.net.DefaultAnnotations; |
| 35 | import org.onosproject.net.DeviceId; |
| 36 | import org.onosproject.net.provider.ProviderId; |
| 37 | import org.onosproject.tetopology.management.api.TeTopology; |
| 38 | import org.onosproject.tetopology.management.api.TeTopologyKey; |
| 39 | import org.onosproject.tetopology.management.api.TeTopologyService; |
| 40 | import org.onosproject.tetunnel.api.tunnel.TeTunnel; |
| 41 | import org.onosproject.tetunnel.api.TeTunnelAdminService; |
| 42 | import org.onosproject.tetunnel.api.TeTunnelProviderService; |
| 43 | import org.onosproject.tetunnel.api.TeTunnelService; |
| 44 | import org.onosproject.tetunnel.api.TeTunnelStore; |
| 45 | import org.onosproject.tetunnel.api.tunnel.TeTunnelEndpoint; |
| 46 | import org.onosproject.tetunnel.api.tunnel.TeTunnelKey; |
| 47 | import org.slf4j.Logger; |
| 48 | |
| 49 | import java.util.Collection; |
| 50 | import java.util.List; |
| 51 | |
| 52 | import static org.slf4j.LoggerFactory.getLogger; |
| 53 | |
| 54 | /** |
| 55 | * Implementation of TE tunnel attributes management service. |
| 56 | */ |
| 57 | @Component(immediate = true) |
| 58 | @Service |
| 59 | public class TeTunnelManager implements TeTunnelService, TeTunnelAdminService, |
| 60 | TeTunnelProviderService { |
| 61 | |
| 62 | private static final String TE_TUNNEL_APP = "onos-app-tetunnel"; |
| 63 | |
| 64 | private final Logger log = getLogger(getClass()); |
| 65 | |
| 66 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 67 | protected CoreService coreService; |
| 68 | |
| 69 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 70 | protected TeTunnelStore store; |
| 71 | |
| 72 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 73 | protected TunnelService tunnelService; |
| 74 | |
| 75 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 76 | protected TunnelAdminService tunnelAdminService; |
| 77 | |
| 78 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 79 | protected TeTopologyService teTopologyService; |
| 80 | |
| 81 | private ApplicationId appId; |
| 82 | |
| 83 | @Activate |
| 84 | public void activate() { |
| 85 | appId = coreService.registerApplication(TE_TUNNEL_APP); |
| 86 | |
| 87 | log.info("Started"); |
| 88 | } |
| 89 | |
| 90 | @Deactivate |
| 91 | public void deactivate() { |
| 92 | log.info("Stopped"); |
| 93 | } |
| 94 | |
| 95 | @Override |
| 96 | public TunnelId createTeTunnel(TeTunnel teTunnel) { |
| 97 | if (!store.addTeTunnel(teTunnel)) { |
| 98 | log.error("can not add teTunnel: {}", teTunnel); |
| 99 | return null; |
| 100 | } |
| 101 | |
| 102 | TunnelId tunnelId = TunnelId.valueOf(teTunnel.teTunnelKey().toString()); |
| 103 | Tunnel tunnel = new DefaultTunnel(ProviderId.NONE, |
| 104 | new TeTunnelEndpoint(teTunnel.srcNode(), |
| 105 | teTunnel.srcTp()), |
| 106 | new TeTunnelEndpoint(teTunnel.dstNode(), |
| 107 | teTunnel.dstTp()), |
| 108 | Tunnel.Type.MPLS, new DefaultGroupId(0), |
| 109 | tunnelId, |
| 110 | TunnelName.tunnelName(teTunnel.name()), |
| 111 | null, |
| 112 | DefaultAnnotations.builder().build()); |
| 113 | store.setTunnelId(teTunnel.teTunnelKey(), tunnelId); |
| 114 | TeTopology srcTopology = teTopologyService.teTopology( |
| 115 | teTopologyService.teNode(teTunnel.srcNode()) |
| 116 | .underlayTeTopologyId()); |
| 117 | if (srcTopology == null) { |
| 118 | srcTopology = teTopologyService.teTopology(teTunnel.srcNode() |
| 119 | .teTopologyKey()); |
| 120 | } |
| 121 | DeviceId domainId = srcTopology.ownerId(); |
| 122 | TunnelId id = tunnelService.setupTunnel(appId, domainId, tunnel, null); |
| 123 | if (id == null) { |
| 124 | log.error("can not create tunnel for te {}", |
| 125 | teTunnel.teTunnelKey()); |
| 126 | store.removeTeTunnel(teTunnel.teTunnelKey()); |
| 127 | return null; |
| 128 | } |
| 129 | if (!id.equals(tunnelId)) { |
| 130 | //this should not happen |
| 131 | log.error("tunnelId changed, oldId:{}, newId:{}", tunnelId, id); |
| 132 | store.setTunnelId(teTunnel.teTunnelKey(), id); |
| 133 | } |
| 134 | return id; |
| 135 | } |
| 136 | |
| 137 | @Override |
| 138 | public void setTunnelId(TeTunnelKey teTunnelKey, TunnelId tunnelId) { |
| 139 | store.setTunnelId(teTunnelKey, tunnelId); |
| 140 | } |
| 141 | |
| 142 | @Override |
| 143 | public void updateTeTunnel(TeTunnel teTunnel) { |
| 144 | //TODO: updateTeTunnel |
| 145 | } |
| 146 | |
| 147 | @Override |
| 148 | public void updateTunnelState(TeTunnelKey key, Tunnel.State state) { |
| 149 | tunnelAdminService.updateTunnelState( |
| 150 | tunnelService.queryTunnel(getTunnelId(key)), state); |
| 151 | } |
| 152 | |
| 153 | @Override |
| 154 | public void removeTeTunnel(TeTunnelKey teTunnelKey) { |
| 155 | tunnelAdminService.updateTunnelState( |
| 156 | tunnelService.queryTunnel(getTunnelId(teTunnelKey)), |
| 157 | Tunnel.State.REMOVING); |
| 158 | List<TeTunnelKey> segmentTunnels = |
| 159 | getTeTunnel(teTunnelKey).segmentTunnels(); |
| 160 | if (segmentTunnels == null || segmentTunnels.isEmpty()) { |
| 161 | // this is a single domain tunnel, removes it right away |
| 162 | tunnelAdminService.removeTunnel(getTunnelId(teTunnelKey)); |
| 163 | } |
| 164 | } |
| 165 | |
| 166 | @Override |
| 167 | public void setSegmentTunnel(TeTunnelKey e2eTunnelKey, |
| 168 | List<TeTunnelKey> segmentTunnels) { |
| 169 | TeTunnel e2eTunnel = store.getTeTunnel(e2eTunnelKey); |
| 170 | if (e2eTunnel == null) { |
tony-liu | f7d2a26 | 2016-10-17 16:32:24 +0800 | [diff] [blame] | 171 | log.error("unknown e2eTunnelKey: {}", e2eTunnelKey); |
tony-liu | c3f9b65 | 2016-11-10 15:28:17 +0800 | [diff] [blame] | 172 | return; |
| 173 | } |
| 174 | e2eTunnel.segmentTunnels(segmentTunnels); |
| 175 | |
| 176 | for (TeTunnelKey key : segmentTunnels) { |
| 177 | TeTunnel segmentTunnel = store.getTeTunnel(key); |
| 178 | if (segmentTunnel == null) { |
| 179 | log.warn("unknown segmentTunnel: {}", key); |
| 180 | continue; |
| 181 | } |
tony-liu | f7d2a26 | 2016-10-17 16:32:24 +0800 | [diff] [blame] | 182 | segmentTunnel.e2eTunnelKey(e2eTunnelKey); |
tony-liu | c3f9b65 | 2016-11-10 15:28:17 +0800 | [diff] [blame] | 183 | } |
| 184 | } |
| 185 | |
| 186 | @Override |
| 187 | public TeTunnel getTeTunnel(TeTunnelKey key) { |
| 188 | return store.getTeTunnel(key); |
| 189 | } |
| 190 | |
| 191 | @Override |
| 192 | public TeTunnel getTeTunnel(TunnelId id) { |
| 193 | return store.getTeTunnel(id); |
| 194 | } |
| 195 | |
| 196 | @Override |
| 197 | public TunnelId getTunnelId(TeTunnelKey key) { |
| 198 | return store.getTunnelId(key); |
| 199 | } |
| 200 | |
| 201 | @Override |
| 202 | public Collection<TeTunnel> getTeTunnels() { |
| 203 | return store.getTeTunnels(); |
| 204 | } |
| 205 | |
| 206 | @Override |
| 207 | public Collection<TeTunnel> getTeTunnels(TeTunnel.Type type) { |
| 208 | return store.getTeTunnels(type); |
| 209 | } |
| 210 | |
| 211 | @Override |
| 212 | public Collection<TeTunnel> getTeTunnels(TeTopologyKey key) { |
| 213 | return store.getTeTunnels(key); |
| 214 | } |
| 215 | |
| 216 | @Override |
| 217 | public TunnelId teTunnelAdded(TeTunnel teTunnel) { |
| 218 | //TODO teTunnelAdded |
| 219 | return null; |
| 220 | } |
| 221 | |
| 222 | @Override |
| 223 | public void teTunnelRemoved(TeTunnel teTunnel) { |
tony-liu | f7d2a26 | 2016-10-17 16:32:24 +0800 | [diff] [blame] | 224 | TeTunnelKey e2eTunnelKey = teTunnel.e2eTunnelKey(); |
tony-liu | c3f9b65 | 2016-11-10 15:28:17 +0800 | [diff] [blame] | 225 | store.removeTeTunnel(teTunnel.teTunnelKey()); |
| 226 | |
| 227 | // it's a segment tunnel |
| 228 | if (e2eTunnelKey != null) { |
| 229 | boolean finished = true; |
| 230 | for (TeTunnelKey key : getTeTunnel(e2eTunnelKey).segmentTunnels()) { |
| 231 | if (getTeTunnel(key) != null) { |
| 232 | // FIXME need a better way to determine whether a segment tunnel is removed. |
| 233 | finished = false; |
| 234 | } |
| 235 | } |
| 236 | if (finished) { |
| 237 | // all segment tunnels are removed |
| 238 | tunnelAdminService.removeTunnel(getTunnelId(e2eTunnelKey)); |
| 239 | store.removeTeTunnel(e2eTunnelKey); |
| 240 | } |
| 241 | } |
| 242 | } |
| 243 | } |