Thomas Vachuska | 781d18b | 2014-10-27 10:31:25 -0700 | [diff] [blame] | 1 | /* |
Thomas Vachuska | 4f1a60c | 2014-10-28 13:39:07 -0700 | [diff] [blame] | 2 | * Copyright 2014 Open Networking Laboratory |
Thomas Vachuska | 781d18b | 2014-10-27 10:31:25 -0700 | [diff] [blame] | 3 | * |
Thomas Vachuska | 4f1a60c | 2014-10-28 13:39:07 -0700 | [diff] [blame] | 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 |
Thomas Vachuska | 781d18b | 2014-10-27 10:31:25 -0700 | [diff] [blame] | 7 | * |
Thomas Vachuska | 4f1a60c | 2014-10-28 13:39:07 -0700 | [diff] [blame] | 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. |
Thomas Vachuska | 781d18b | 2014-10-27 10:31:25 -0700 | [diff] [blame] | 15 | */ |
Brian O'Connor | abafb50 | 2014-12-02 22:26:20 -0800 | [diff] [blame] | 16 | package org.onosproject.sdnip; |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 17 | |
Jonathan Hart | 6ec6829 | 2014-11-14 15:09:30 -0800 | [diff] [blame] | 18 | import java.util.ArrayList; |
Pavlin Radoslavov | a7243cc | 2014-11-22 21:38:02 -0800 | [diff] [blame] | 19 | import java.util.Collection; |
Jonathan Hart | 31582d1 | 2014-10-22 13:52:41 -0700 | [diff] [blame] | 20 | import java.util.List; |
| 21 | |
Jonathan Hart | 5137218 | 2014-12-03 21:32:34 -0800 | [diff] [blame] | 22 | import org.onlab.packet.Ethernet; |
| 23 | import org.onlab.packet.IPv4; |
| 24 | import org.onlab.packet.IpAddress; |
| 25 | import org.onlab.packet.IpPrefix; |
Brian O'Connor | abafb50 | 2014-12-02 22:26:20 -0800 | [diff] [blame] | 26 | import org.onosproject.core.ApplicationId; |
| 27 | import org.onosproject.net.ConnectPoint; |
| 28 | import org.onosproject.net.flow.DefaultTrafficSelector; |
| 29 | import org.onosproject.net.flow.DefaultTrafficTreatment; |
| 30 | import org.onosproject.net.flow.TrafficSelector; |
| 31 | import org.onosproject.net.flow.TrafficTreatment; |
| 32 | import org.onosproject.net.intent.PointToPointIntent; |
| 33 | import org.onosproject.sdnip.bgp.BgpConstants; |
| 34 | import org.onosproject.sdnip.config.BgpPeer; |
| 35 | import org.onosproject.sdnip.config.BgpSpeaker; |
| 36 | import org.onosproject.sdnip.config.Interface; |
| 37 | import org.onosproject.sdnip.config.InterfaceAddress; |
| 38 | import org.onosproject.sdnip.config.SdnIpConfigurationService; |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 39 | import org.slf4j.Logger; |
| 40 | import org.slf4j.LoggerFactory; |
| 41 | |
| 42 | /** |
| 43 | * Manages the connectivity requirements between peers. |
| 44 | */ |
Jonathan Hart | ce430a4 | 2014-10-16 20:44:29 -0700 | [diff] [blame] | 45 | public class PeerConnectivityManager { |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 46 | |
| 47 | private static final Logger log = LoggerFactory.getLogger( |
Jonathan Hart | ce430a4 | 2014-10-16 20:44:29 -0700 | [diff] [blame] | 48 | PeerConnectivityManager.class); |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 49 | |
Pavlin Radoslavov | a7243cc | 2014-11-22 21:38:02 -0800 | [diff] [blame] | 50 | private final IntentSynchronizer intentSynchronizer; |
Jonathan Hart | 9965d77 | 2014-12-02 10:28:34 -0800 | [diff] [blame] | 51 | private final SdnIpConfigurationService configService; |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 52 | private final InterfaceService interfaceService; |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 53 | |
Thomas Vachuska | b97cf28 | 2014-10-20 23:31:12 -0700 | [diff] [blame] | 54 | private final ApplicationId appId; |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 55 | |
Jonathan Hart | 31582d1 | 2014-10-22 13:52:41 -0700 | [diff] [blame] | 56 | /** |
| 57 | * Creates a new PeerConnectivityManager. |
| 58 | * |
Jonathan Hart | 5137218 | 2014-12-03 21:32:34 -0800 | [diff] [blame] | 59 | * @param appId the application ID |
Pavlin Radoslavov | a7243cc | 2014-11-22 21:38:02 -0800 | [diff] [blame] | 60 | * @param intentSynchronizer the intent synchronizer |
Jonathan Hart | 5137218 | 2014-12-03 21:32:34 -0800 | [diff] [blame] | 61 | * @param configService the SDN-IP config service |
| 62 | * @param interfaceService the interface service |
Jonathan Hart | 31582d1 | 2014-10-22 13:52:41 -0700 | [diff] [blame] | 63 | */ |
Thomas Vachuska | b97cf28 | 2014-10-20 23:31:12 -0700 | [diff] [blame] | 64 | public PeerConnectivityManager(ApplicationId appId, |
Pavlin Radoslavov | a7243cc | 2014-11-22 21:38:02 -0800 | [diff] [blame] | 65 | IntentSynchronizer intentSynchronizer, |
Jonathan Hart | 9965d77 | 2014-12-02 10:28:34 -0800 | [diff] [blame] | 66 | SdnIpConfigurationService configService, |
Pavlin Radoslavov | a7243cc | 2014-11-22 21:38:02 -0800 | [diff] [blame] | 67 | InterfaceService interfaceService) { |
Thomas Vachuska | b97cf28 | 2014-10-20 23:31:12 -0700 | [diff] [blame] | 68 | this.appId = appId; |
Pavlin Radoslavov | a7243cc | 2014-11-22 21:38:02 -0800 | [diff] [blame] | 69 | this.intentSynchronizer = intentSynchronizer; |
Jonathan Hart | 31582d1 | 2014-10-22 13:52:41 -0700 | [diff] [blame] | 70 | this.configService = configService; |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 71 | this.interfaceService = interfaceService; |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 72 | } |
| 73 | |
Jonathan Hart | 31582d1 | 2014-10-22 13:52:41 -0700 | [diff] [blame] | 74 | /** |
| 75 | * Starts the peer connectivity manager. |
| 76 | */ |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 77 | public void start() { |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 78 | if (interfaceService.getInterfaces().isEmpty()) { |
Jonathan Hart | 5137218 | 2014-12-03 21:32:34 -0800 | [diff] [blame] | 79 | log.warn("No interfaces found in configuration file"); |
Jonathan Hart | de08912 | 2014-12-03 22:33:14 -0800 | [diff] [blame^] | 80 | } |
| 81 | |
| 82 | if (configService.getBgpPeers().isEmpty()) { |
Jonathan Hart | 5137218 | 2014-12-03 21:32:34 -0800 | [diff] [blame] | 83 | log.warn("No BGP peers found in configuration file"); |
Jonathan Hart | de08912 | 2014-12-03 22:33:14 -0800 | [diff] [blame^] | 84 | } |
| 85 | |
| 86 | if (configService.getBgpSpeakers().isEmpty()) { |
Jonathan Hart | 5137218 | 2014-12-03 21:32:34 -0800 | [diff] [blame] | 87 | log.error("No BGP speakers found in configuration file"); |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 88 | } |
| 89 | |
Jonathan Hart | 6ec6829 | 2014-11-14 15:09:30 -0800 | [diff] [blame] | 90 | setUpConnectivity(); |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 91 | } |
| 92 | |
| 93 | /** |
Pavlin Radoslavov | a071b1e | 2014-11-17 13:37:57 -0800 | [diff] [blame] | 94 | * Stops the peer connectivity manager. |
| 95 | */ |
| 96 | public void stop() { |
| 97 | // TODO: Implement it |
| 98 | } |
| 99 | |
| 100 | /** |
Jonathan Hart | 6ec6829 | 2014-11-14 15:09:30 -0800 | [diff] [blame] | 101 | * Sets up paths to establish connectivity between all internal |
| 102 | * {@link BgpSpeaker}s and all external {@link BgpPeer}s. |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 103 | */ |
Jonathan Hart | 6ec6829 | 2014-11-14 15:09:30 -0800 | [diff] [blame] | 104 | private void setUpConnectivity() { |
Pavlin Radoslavov | a7243cc | 2014-11-22 21:38:02 -0800 | [diff] [blame] | 105 | List<PointToPointIntent> intents = new ArrayList<>(); |
| 106 | |
Jonathan Hart | 31582d1 | 2014-10-22 13:52:41 -0700 | [diff] [blame] | 107 | for (BgpSpeaker bgpSpeaker : configService.getBgpSpeakers() |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 108 | .values()) { |
| 109 | log.debug("Start to set up BGP paths for BGP speaker: {}", |
Thomas Vachuska | b97cf28 | 2014-10-20 23:31:12 -0700 | [diff] [blame] | 110 | bgpSpeaker); |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 111 | |
Jonathan Hart | 31582d1 | 2014-10-22 13:52:41 -0700 | [diff] [blame] | 112 | for (BgpPeer bgpPeer : configService.getBgpPeers().values()) { |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 113 | |
| 114 | log.debug("Start to set up BGP paths between BGP speaker: {} " |
Thomas Vachuska | b97cf28 | 2014-10-20 23:31:12 -0700 | [diff] [blame] | 115 | + "to BGP peer: {}", bgpSpeaker, bgpPeer); |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 116 | |
Pavlin Radoslavov | a7243cc | 2014-11-22 21:38:02 -0800 | [diff] [blame] | 117 | intents.addAll(buildPeerIntents(bgpSpeaker, bgpPeer)); |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 118 | } |
| 119 | } |
Pavlin Radoslavov | a7243cc | 2014-11-22 21:38:02 -0800 | [diff] [blame] | 120 | |
| 121 | // Submit all the intents. |
| 122 | intentSynchronizer.submitPeerIntents(intents); |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 123 | } |
| 124 | |
| 125 | /** |
Jonathan Hart | 6ec6829 | 2014-11-14 15:09:30 -0800 | [diff] [blame] | 126 | * Builds the required intents between a given internal BGP speaker and |
| 127 | * external BGP peer. |
| 128 | * |
| 129 | * @param bgpSpeaker the BGP speaker |
| 130 | * @param bgpPeer the BGP peer |
Pavlin Radoslavov | a7243cc | 2014-11-22 21:38:02 -0800 | [diff] [blame] | 131 | * @return the intents to install |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 132 | */ |
Pavlin Radoslavov | a7243cc | 2014-11-22 21:38:02 -0800 | [diff] [blame] | 133 | private Collection<PointToPointIntent> buildPeerIntents( |
| 134 | BgpSpeaker bgpSpeaker, |
| 135 | BgpPeer bgpPeer) { |
| 136 | List<PointToPointIntent> intents = new ArrayList<>(); |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 137 | |
Jonathan Hart | 6ec6829 | 2014-11-14 15:09:30 -0800 | [diff] [blame] | 138 | ConnectPoint bgpdConnectPoint = bgpSpeaker.connectPoint(); |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 139 | |
Jonathan Hart | 6ec6829 | 2014-11-14 15:09:30 -0800 | [diff] [blame] | 140 | List<InterfaceAddress> interfaceAddresses = |
| 141 | bgpSpeaker.interfaceAddresses(); |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 142 | |
Jonathan Hart | 6ec6829 | 2014-11-14 15:09:30 -0800 | [diff] [blame] | 143 | Interface peerInterface = interfaceService.getInterface( |
| 144 | bgpPeer.connectPoint()); |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 145 | |
Jonathan Hart | 6ec6829 | 2014-11-14 15:09:30 -0800 | [diff] [blame] | 146 | if (peerInterface == null) { |
| 147 | log.error("No interface found for peer {}", bgpPeer.ipAddress()); |
Pavlin Radoslavov | a7243cc | 2014-11-22 21:38:02 -0800 | [diff] [blame] | 148 | return intents; |
Jonathan Hart | 6ec6829 | 2014-11-14 15:09:30 -0800 | [diff] [blame] | 149 | } |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 150 | |
Jonathan Hart | 6ec6829 | 2014-11-14 15:09:30 -0800 | [diff] [blame] | 151 | IpAddress bgpdAddress = null; |
| 152 | for (InterfaceAddress interfaceAddress : interfaceAddresses) { |
| 153 | if (interfaceAddress.connectPoint().equals( |
| 154 | peerInterface.connectPoint())) { |
| 155 | bgpdAddress = interfaceAddress.ipAddress(); |
| 156 | break; |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 157 | } |
| 158 | } |
Jonathan Hart | 6ec6829 | 2014-11-14 15:09:30 -0800 | [diff] [blame] | 159 | if (bgpdAddress == null) { |
| 160 | log.debug("No IP address found for peer {} on interface {}", |
| 161 | bgpPeer, bgpPeer.connectPoint()); |
Pavlin Radoslavov | a7243cc | 2014-11-22 21:38:02 -0800 | [diff] [blame] | 162 | return intents; |
Jonathan Hart | 6ec6829 | 2014-11-14 15:09:30 -0800 | [diff] [blame] | 163 | } |
| 164 | |
| 165 | IpAddress bgpdPeerAddress = bgpPeer.ipAddress(); |
| 166 | ConnectPoint bgpdPeerConnectPoint = peerInterface.connectPoint(); |
| 167 | |
| 168 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 169 | .build(); |
| 170 | |
| 171 | TrafficSelector selector; |
| 172 | |
Jonathan Hart | 5137218 | 2014-12-03 21:32:34 -0800 | [diff] [blame] | 173 | // Path from BGP speaker to BGP peer matching destination TCP port 179 |
Jonathan Hart | 6ec6829 | 2014-11-14 15:09:30 -0800 | [diff] [blame] | 174 | selector = buildSelector(IPv4.PROTOCOL_TCP, |
| 175 | bgpdAddress, |
| 176 | bgpdPeerAddress, |
| 177 | null, |
| 178 | (short) BgpConstants.BGP_PORT); |
| 179 | |
| 180 | intents.add(new PointToPointIntent(appId, selector, treatment, |
| 181 | bgpdConnectPoint, bgpdPeerConnectPoint)); |
| 182 | |
Jonathan Hart | 5137218 | 2014-12-03 21:32:34 -0800 | [diff] [blame] | 183 | // Path from BGP speaker to BGP peer matching source TCP port 179 |
Jonathan Hart | 6ec6829 | 2014-11-14 15:09:30 -0800 | [diff] [blame] | 184 | selector = buildSelector(IPv4.PROTOCOL_TCP, |
| 185 | bgpdAddress, |
| 186 | bgpdPeerAddress, |
| 187 | (short) BgpConstants.BGP_PORT, |
| 188 | null); |
| 189 | |
| 190 | intents.add(new PointToPointIntent(appId, selector, treatment, |
| 191 | bgpdConnectPoint, bgpdPeerConnectPoint)); |
| 192 | |
Jonathan Hart | 5137218 | 2014-12-03 21:32:34 -0800 | [diff] [blame] | 193 | // Path from BGP peer to BGP speaker matching destination TCP port 179 |
Jonathan Hart | 6ec6829 | 2014-11-14 15:09:30 -0800 | [diff] [blame] | 194 | selector = buildSelector(IPv4.PROTOCOL_TCP, |
| 195 | bgpdPeerAddress, |
| 196 | bgpdAddress, |
| 197 | null, |
| 198 | (short) BgpConstants.BGP_PORT); |
| 199 | |
| 200 | intents.add(new PointToPointIntent(appId, selector, treatment, |
| 201 | bgpdPeerConnectPoint, bgpdConnectPoint)); |
| 202 | |
Jonathan Hart | 5137218 | 2014-12-03 21:32:34 -0800 | [diff] [blame] | 203 | // Path from BGP peer to BGP speaker matching source TCP port 179 |
Jonathan Hart | 6ec6829 | 2014-11-14 15:09:30 -0800 | [diff] [blame] | 204 | selector = buildSelector(IPv4.PROTOCOL_TCP, |
| 205 | bgpdPeerAddress, |
| 206 | bgpdAddress, |
| 207 | (short) BgpConstants.BGP_PORT, |
| 208 | null); |
| 209 | |
| 210 | intents.add(new PointToPointIntent(appId, selector, treatment, |
| 211 | bgpdPeerConnectPoint, bgpdConnectPoint)); |
| 212 | |
Jonathan Hart | 5137218 | 2014-12-03 21:32:34 -0800 | [diff] [blame] | 213 | // ICMP path from BGP speaker to BGP peer |
Jonathan Hart | 6ec6829 | 2014-11-14 15:09:30 -0800 | [diff] [blame] | 214 | selector = buildSelector(IPv4.PROTOCOL_ICMP, |
| 215 | bgpdAddress, |
| 216 | bgpdPeerAddress, |
| 217 | null, |
| 218 | null); |
| 219 | |
| 220 | intents.add(new PointToPointIntent(appId, selector, treatment, |
| 221 | bgpdConnectPoint, bgpdPeerConnectPoint)); |
| 222 | |
Jonathan Hart | 5137218 | 2014-12-03 21:32:34 -0800 | [diff] [blame] | 223 | // ICMP path from BGP peer to BGP speaker |
Jonathan Hart | 6ec6829 | 2014-11-14 15:09:30 -0800 | [diff] [blame] | 224 | selector = buildSelector(IPv4.PROTOCOL_ICMP, |
| 225 | bgpdPeerAddress, |
| 226 | bgpdAddress, |
| 227 | null, |
| 228 | null); |
| 229 | |
| 230 | intents.add(new PointToPointIntent(appId, selector, treatment, |
| 231 | bgpdPeerConnectPoint, bgpdConnectPoint)); |
| 232 | |
Pavlin Radoslavov | a7243cc | 2014-11-22 21:38:02 -0800 | [diff] [blame] | 233 | return intents; |
Jonathan Hart | 6ec6829 | 2014-11-14 15:09:30 -0800 | [diff] [blame] | 234 | } |
| 235 | |
| 236 | /** |
| 237 | * Builds a traffic selector based on the set of input parameters. |
| 238 | * |
| 239 | * @param ipProto IP protocol |
| 240 | * @param srcIp source IP address |
| 241 | * @param dstIp destination IP address |
| 242 | * @param srcTcpPort source TCP port, or null if shouldn't be set |
| 243 | * @param dstTcpPort destination TCP port, or null if shouldn't be set |
| 244 | * @return the new traffic selector |
| 245 | */ |
| 246 | private TrafficSelector buildSelector(byte ipProto, IpAddress srcIp, |
Pavlin Radoslavov | a7243cc | 2014-11-22 21:38:02 -0800 | [diff] [blame] | 247 | IpAddress dstIp, Short srcTcpPort, |
| 248 | Short dstTcpPort) { |
Jonathan Hart | 6ec6829 | 2014-11-14 15:09:30 -0800 | [diff] [blame] | 249 | TrafficSelector.Builder builder = DefaultTrafficSelector.builder() |
| 250 | .matchEthType(Ethernet.TYPE_IPV4) |
| 251 | .matchIPProtocol(ipProto) |
| 252 | .matchIPSrc(IpPrefix.valueOf(srcIp, |
| 253 | IpPrefix.MAX_INET_MASK_LENGTH)) |
| 254 | .matchIPDst(IpPrefix.valueOf(dstIp, |
| 255 | IpPrefix.MAX_INET_MASK_LENGTH)); |
| 256 | |
| 257 | if (srcTcpPort != null) { |
| 258 | builder.matchTcpSrc(srcTcpPort); |
| 259 | } |
| 260 | |
| 261 | if (dstTcpPort != null) { |
| 262 | builder.matchTcpDst(dstTcpPort); |
| 263 | } |
| 264 | |
| 265 | return builder.build(); |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 266 | } |
| 267 | |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 268 | } |