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 | */ |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 16 | package org.onlab.onos.sdnip; |
| 17 | |
Jonathan Hart | 31582d1 | 2014-10-22 13:52:41 -0700 | [diff] [blame] | 18 | import java.util.List; |
| 19 | |
Thomas Vachuska | e0f804a | 2014-10-27 23:40:48 -0700 | [diff] [blame] | 20 | import org.onlab.onos.core.ApplicationId; |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 21 | import org.onlab.onos.net.ConnectPoint; |
| 22 | import org.onlab.onos.net.flow.DefaultTrafficSelector; |
| 23 | import org.onlab.onos.net.flow.DefaultTrafficTreatment; |
| 24 | import org.onlab.onos.net.flow.TrafficSelector; |
| 25 | import org.onlab.onos.net.flow.TrafficTreatment; |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 26 | import org.onlab.onos.net.intent.IntentService; |
| 27 | import org.onlab.onos.net.intent.PointToPointIntent; |
Jonathan Hart | 31582d1 | 2014-10-22 13:52:41 -0700 | [diff] [blame] | 28 | import org.onlab.onos.sdnip.bgp.BgpConstants; |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 29 | import org.onlab.onos.sdnip.config.BgpPeer; |
| 30 | import org.onlab.onos.sdnip.config.BgpSpeaker; |
| 31 | import org.onlab.onos.sdnip.config.Interface; |
| 32 | import org.onlab.onos.sdnip.config.InterfaceAddress; |
| 33 | import org.onlab.onos.sdnip.config.SdnIpConfigService; |
| 34 | import org.onlab.packet.Ethernet; |
| 35 | import org.onlab.packet.IPv4; |
| 36 | import org.onlab.packet.IpAddress; |
| 37 | import org.onlab.packet.IpPrefix; |
| 38 | import org.slf4j.Logger; |
| 39 | import org.slf4j.LoggerFactory; |
| 40 | |
| 41 | /** |
| 42 | * Manages the connectivity requirements between peers. |
| 43 | */ |
Jonathan Hart | ce430a4 | 2014-10-16 20:44:29 -0700 | [diff] [blame] | 44 | public class PeerConnectivityManager { |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 45 | |
| 46 | private static final Logger log = LoggerFactory.getLogger( |
Jonathan Hart | ce430a4 | 2014-10-16 20:44:29 -0700 | [diff] [blame] | 47 | PeerConnectivityManager.class); |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 48 | |
Jonathan Hart | 31582d1 | 2014-10-22 13:52:41 -0700 | [diff] [blame] | 49 | private final SdnIpConfigService configService; |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 50 | private final InterfaceService interfaceService; |
| 51 | private final IntentService intentService; |
| 52 | |
Thomas Vachuska | b97cf28 | 2014-10-20 23:31:12 -0700 | [diff] [blame] | 53 | private final ApplicationId appId; |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 54 | |
Jonathan Hart | 31582d1 | 2014-10-22 13:52:41 -0700 | [diff] [blame] | 55 | /** |
| 56 | * Creates a new PeerConnectivityManager. |
| 57 | * |
| 58 | * @param appId the application ID |
| 59 | * @param configService the SDN-IP config service |
| 60 | * @param interfaceService the interface service |
| 61 | * @param intentService the intent service |
| 62 | */ |
Thomas Vachuska | b97cf28 | 2014-10-20 23:31:12 -0700 | [diff] [blame] | 63 | public PeerConnectivityManager(ApplicationId appId, |
Jonathan Hart | 31582d1 | 2014-10-22 13:52:41 -0700 | [diff] [blame] | 64 | SdnIpConfigService configService, |
Thomas Vachuska | b97cf28 | 2014-10-20 23:31:12 -0700 | [diff] [blame] | 65 | InterfaceService interfaceService, |
| 66 | IntentService intentService) { |
| 67 | this.appId = appId; |
Jonathan Hart | 31582d1 | 2014-10-22 13:52:41 -0700 | [diff] [blame] | 68 | this.configService = configService; |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 69 | this.interfaceService = interfaceService; |
| 70 | this.intentService = intentService; |
| 71 | } |
| 72 | |
Jonathan Hart | 31582d1 | 2014-10-22 13:52:41 -0700 | [diff] [blame] | 73 | /** |
| 74 | * Starts the peer connectivity manager. |
| 75 | */ |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 76 | public void start() { |
| 77 | // TODO are any of these errors? |
| 78 | if (interfaceService.getInterfaces().isEmpty()) { |
| 79 | |
| 80 | log.warn("The interface in configuration file is empty. " |
Thomas Vachuska | b97cf28 | 2014-10-20 23:31:12 -0700 | [diff] [blame] | 81 | + "Thus, the SDN-IP application can not be started."); |
Jonathan Hart | 31582d1 | 2014-10-22 13:52:41 -0700 | [diff] [blame] | 82 | } else if (configService.getBgpPeers().isEmpty()) { |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 83 | |
| 84 | log.warn("The BGP peer in configuration file is empty." |
Thomas Vachuska | b97cf28 | 2014-10-20 23:31:12 -0700 | [diff] [blame] | 85 | + "Thus, the SDN-IP application can not be started."); |
Jonathan Hart | 31582d1 | 2014-10-22 13:52:41 -0700 | [diff] [blame] | 86 | } else if (configService.getBgpSpeakers() == null) { |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 87 | |
| 88 | log.error("The BGP speaker in configuration file is empty. " |
Thomas Vachuska | b97cf28 | 2014-10-20 23:31:12 -0700 | [diff] [blame] | 89 | + "Thus, the SDN-IP application can not be started."); |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 90 | return; |
| 91 | } |
| 92 | |
| 93 | setupBgpPaths(); |
| 94 | setupIcmpPaths(); |
| 95 | } |
| 96 | |
| 97 | /** |
| 98 | * Sets up paths for all {@link BgpSpeaker}s and all external peers. |
| 99 | * <p/> |
| 100 | * Run a loop for all BGP speakers and a loop for all BGP peers outside. |
| 101 | * Push intents for paths from each BGP speaker to all peers. Push intents |
| 102 | * for paths from all peers to each BGP speaker. |
| 103 | */ |
| 104 | private void setupBgpPaths() { |
Jonathan Hart | 31582d1 | 2014-10-22 13:52:41 -0700 | [diff] [blame] | 105 | for (BgpSpeaker bgpSpeaker : configService.getBgpSpeakers() |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 106 | .values()) { |
| 107 | log.debug("Start to set up BGP paths for BGP speaker: {}", |
Thomas Vachuska | b97cf28 | 2014-10-20 23:31:12 -0700 | [diff] [blame] | 108 | bgpSpeaker); |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 109 | ConnectPoint bgpdConnectPoint = bgpSpeaker.connectPoint(); |
| 110 | |
| 111 | List<InterfaceAddress> interfaceAddresses = |
| 112 | bgpSpeaker.interfaceAddresses(); |
| 113 | |
Jonathan Hart | 31582d1 | 2014-10-22 13:52:41 -0700 | [diff] [blame] | 114 | for (BgpPeer bgpPeer : configService.getBgpPeers().values()) { |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 115 | |
| 116 | log.debug("Start to set up BGP paths between BGP speaker: {} " |
Thomas Vachuska | b97cf28 | 2014-10-20 23:31:12 -0700 | [diff] [blame] | 117 | + "to BGP peer: {}", bgpSpeaker, bgpPeer); |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 118 | |
| 119 | Interface peerInterface = interfaceService.getInterface( |
| 120 | bgpPeer.connectPoint()); |
| 121 | if (peerInterface == null) { |
| 122 | log.error("Can not find the corresponding Interface from " |
Thomas Vachuska | b97cf28 | 2014-10-20 23:31:12 -0700 | [diff] [blame] | 123 | + "configuration for BGP peer {}", |
| 124 | bgpPeer.ipAddress()); |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 125 | continue; |
| 126 | } |
| 127 | |
| 128 | IpAddress bgpdAddress = null; |
| 129 | for (InterfaceAddress interfaceAddress : interfaceAddresses) { |
| 130 | if (interfaceAddress.connectPoint().equals( |
| 131 | peerInterface.connectPoint())) { |
| 132 | bgpdAddress = interfaceAddress.ipAddress(); |
| 133 | break; |
| 134 | } |
| 135 | } |
| 136 | if (bgpdAddress == null) { |
| 137 | log.debug("There is no interface IP address for bgpPeer: {}" |
Thomas Vachuska | b97cf28 | 2014-10-20 23:31:12 -0700 | [diff] [blame] | 138 | + " on interface {}", bgpPeer, bgpPeer.connectPoint()); |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 139 | return; |
| 140 | } |
| 141 | |
| 142 | IpAddress bgpdPeerAddress = bgpPeer.ipAddress(); |
| 143 | ConnectPoint bgpdPeerConnectPoint = peerInterface.connectPoint(); |
| 144 | |
| 145 | // install intent for BGP path from BGPd to BGP peer matching |
| 146 | // destination TCP port 179 |
Thomas Vachuska | b97cf28 | 2014-10-20 23:31:12 -0700 | [diff] [blame] | 147 | TrafficSelector selector = DefaultTrafficSelector.builder() |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 148 | .matchEthType(Ethernet.TYPE_IPV4) |
| 149 | .matchIPProtocol(IPv4.PROTOCOL_TCP) |
Pavlin Radoslavov | 211f4e5 | 2014-10-31 11:58:14 -0700 | [diff] [blame^] | 150 | .matchIPSrc(IpPrefix.valueOf(bgpdAddress, |
Pavlin Radoslavov | 52307e6 | 2014-10-29 15:07:37 -0700 | [diff] [blame] | 151 | IpPrefix.MAX_INET_MASK_LENGTH)) |
Pavlin Radoslavov | 211f4e5 | 2014-10-31 11:58:14 -0700 | [diff] [blame^] | 152 | .matchIPDst(IpPrefix.valueOf(bgpdPeerAddress, |
Pavlin Radoslavov | 52307e6 | 2014-10-29 15:07:37 -0700 | [diff] [blame] | 153 | IpPrefix.MAX_INET_MASK_LENGTH)) |
Jonathan Hart | 31582d1 | 2014-10-22 13:52:41 -0700 | [diff] [blame] | 154 | .matchTcpDst((short) BgpConstants.BGP_PORT) |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 155 | .build(); |
| 156 | |
| 157 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 158 | .build(); |
| 159 | |
Thomas Vachuska | b97cf28 | 2014-10-20 23:31:12 -0700 | [diff] [blame] | 160 | PointToPointIntent intentMatchDstTcpPort = |
| 161 | new PointToPointIntent(appId, selector, treatment, |
| 162 | bgpdConnectPoint, bgpdPeerConnectPoint); |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 163 | intentService.submit(intentMatchDstTcpPort); |
| 164 | log.debug("Submitted BGP path intent matching dst TCP port 179 " |
Thomas Vachuska | b97cf28 | 2014-10-20 23:31:12 -0700 | [diff] [blame] | 165 | + "from BGPd {} to peer {}: {}", |
| 166 | bgpdAddress, bgpdPeerAddress, intentMatchDstTcpPort); |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 167 | |
| 168 | // install intent for BGP path from BGPd to BGP peer matching |
| 169 | // source TCP port 179 |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 170 | selector = DefaultTrafficSelector.builder() |
| 171 | .matchEthType(Ethernet.TYPE_IPV4) |
| 172 | .matchIPProtocol(IPv4.PROTOCOL_TCP) |
Pavlin Radoslavov | 211f4e5 | 2014-10-31 11:58:14 -0700 | [diff] [blame^] | 173 | .matchIPSrc(IpPrefix.valueOf(bgpdAddress, |
Pavlin Radoslavov | 52307e6 | 2014-10-29 15:07:37 -0700 | [diff] [blame] | 174 | IpPrefix.MAX_INET_MASK_LENGTH)) |
Pavlin Radoslavov | 211f4e5 | 2014-10-31 11:58:14 -0700 | [diff] [blame^] | 175 | .matchIPDst(IpPrefix.valueOf(bgpdPeerAddress, |
Pavlin Radoslavov | 52307e6 | 2014-10-29 15:07:37 -0700 | [diff] [blame] | 176 | IpPrefix.MAX_INET_MASK_LENGTH)) |
Jonathan Hart | 31582d1 | 2014-10-22 13:52:41 -0700 | [diff] [blame] | 177 | .matchTcpSrc((short) BgpConstants.BGP_PORT) |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 178 | .build(); |
| 179 | |
Thomas Vachuska | b97cf28 | 2014-10-20 23:31:12 -0700 | [diff] [blame] | 180 | PointToPointIntent intentMatchSrcTcpPort = |
| 181 | new PointToPointIntent(appId, selector, treatment, |
| 182 | bgpdConnectPoint, bgpdPeerConnectPoint); |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 183 | intentService.submit(intentMatchSrcTcpPort); |
| 184 | log.debug("Submitted BGP path intent matching src TCP port 179" |
Thomas Vachuska | b97cf28 | 2014-10-20 23:31:12 -0700 | [diff] [blame] | 185 | + "from BGPd {} to peer {}: {}", |
| 186 | bgpdAddress, bgpdPeerAddress, intentMatchSrcTcpPort); |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 187 | |
| 188 | // install intent for reversed BGP path from BGP peer to BGPd |
| 189 | // matching destination TCP port 179 |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 190 | selector = DefaultTrafficSelector.builder() |
| 191 | .matchEthType(Ethernet.TYPE_IPV4) |
| 192 | .matchIPProtocol(IPv4.PROTOCOL_TCP) |
Pavlin Radoslavov | 211f4e5 | 2014-10-31 11:58:14 -0700 | [diff] [blame^] | 193 | .matchIPSrc(IpPrefix.valueOf(bgpdPeerAddress, |
Pavlin Radoslavov | 52307e6 | 2014-10-29 15:07:37 -0700 | [diff] [blame] | 194 | IpPrefix.MAX_INET_MASK_LENGTH)) |
Pavlin Radoslavov | 211f4e5 | 2014-10-31 11:58:14 -0700 | [diff] [blame^] | 195 | .matchIPDst(IpPrefix.valueOf(bgpdAddress, |
Pavlin Radoslavov | 52307e6 | 2014-10-29 15:07:37 -0700 | [diff] [blame] | 196 | IpPrefix.MAX_INET_MASK_LENGTH)) |
Jonathan Hart | 31582d1 | 2014-10-22 13:52:41 -0700 | [diff] [blame] | 197 | .matchTcpDst((short) BgpConstants.BGP_PORT) |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 198 | .build(); |
| 199 | |
Thomas Vachuska | b97cf28 | 2014-10-20 23:31:12 -0700 | [diff] [blame] | 200 | PointToPointIntent reversedIntentMatchDstTcpPort = |
| 201 | new PointToPointIntent(appId, selector, treatment, |
| 202 | bgpdPeerConnectPoint, bgpdConnectPoint); |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 203 | intentService.submit(reversedIntentMatchDstTcpPort); |
| 204 | log.debug("Submitted BGP path intent matching dst TCP port 179" |
Thomas Vachuska | b97cf28 | 2014-10-20 23:31:12 -0700 | [diff] [blame] | 205 | + "from BGP peer {} to BGPd {} : {}", |
| 206 | bgpdPeerAddress, bgpdAddress, reversedIntentMatchDstTcpPort); |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 207 | |
| 208 | // install intent for reversed BGP path from BGP peer to BGPd |
| 209 | // matching source TCP port 179 |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 210 | selector = DefaultTrafficSelector.builder() |
| 211 | .matchEthType(Ethernet.TYPE_IPV4) |
| 212 | .matchIPProtocol(IPv4.PROTOCOL_TCP) |
Pavlin Radoslavov | 211f4e5 | 2014-10-31 11:58:14 -0700 | [diff] [blame^] | 213 | .matchIPSrc(IpPrefix.valueOf(bgpdPeerAddress, |
Pavlin Radoslavov | 52307e6 | 2014-10-29 15:07:37 -0700 | [diff] [blame] | 214 | IpPrefix.MAX_INET_MASK_LENGTH)) |
Pavlin Radoslavov | 211f4e5 | 2014-10-31 11:58:14 -0700 | [diff] [blame^] | 215 | .matchIPDst(IpPrefix.valueOf(bgpdAddress, |
Pavlin Radoslavov | 52307e6 | 2014-10-29 15:07:37 -0700 | [diff] [blame] | 216 | IpPrefix.MAX_INET_MASK_LENGTH)) |
Jonathan Hart | 31582d1 | 2014-10-22 13:52:41 -0700 | [diff] [blame] | 217 | .matchTcpSrc((short) BgpConstants.BGP_PORT) |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 218 | .build(); |
| 219 | |
Thomas Vachuska | b97cf28 | 2014-10-20 23:31:12 -0700 | [diff] [blame] | 220 | PointToPointIntent reversedIntentMatchSrcTcpPort = |
| 221 | new PointToPointIntent(appId, selector, treatment, |
| 222 | bgpdPeerConnectPoint, bgpdConnectPoint); |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 223 | intentService.submit(reversedIntentMatchSrcTcpPort); |
| 224 | log.debug("Submitted BGP path intent matching src TCP port 179" |
Thomas Vachuska | b97cf28 | 2014-10-20 23:31:12 -0700 | [diff] [blame] | 225 | + "from BGP peer {} to BGPd {} : {}", |
| 226 | bgpdPeerAddress, bgpdAddress, reversedIntentMatchSrcTcpPort); |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 227 | |
| 228 | } |
| 229 | } |
| 230 | } |
| 231 | |
| 232 | /** |
| 233 | * Sets up ICMP paths between each {@link BgpSpeaker} and all BGP peers |
| 234 | * located in other external networks. |
| 235 | * <p/> |
| 236 | * Run a loop for all BGP speakers and a loop for all BGP Peers. Push |
| 237 | * intents for paths from each BGP speaker to all peers. Push intents |
| 238 | * for paths from all peers to each BGP speaker. |
| 239 | */ |
| 240 | private void setupIcmpPaths() { |
Jonathan Hart | 31582d1 | 2014-10-22 13:52:41 -0700 | [diff] [blame] | 241 | for (BgpSpeaker bgpSpeaker : configService.getBgpSpeakers() |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 242 | .values()) { |
| 243 | log.debug("Start to set up ICMP paths for BGP speaker: {}", |
Thomas Vachuska | b97cf28 | 2014-10-20 23:31:12 -0700 | [diff] [blame] | 244 | bgpSpeaker); |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 245 | ConnectPoint bgpdConnectPoint = bgpSpeaker.connectPoint(); |
| 246 | List<InterfaceAddress> interfaceAddresses = bgpSpeaker |
| 247 | .interfaceAddresses(); |
| 248 | |
Jonathan Hart | 31582d1 | 2014-10-22 13:52:41 -0700 | [diff] [blame] | 249 | for (BgpPeer bgpPeer : configService.getBgpPeers().values()) { |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 250 | |
| 251 | Interface peerInterface = interfaceService.getInterface( |
| 252 | bgpPeer.connectPoint()); |
| 253 | |
| 254 | if (peerInterface == null) { |
| 255 | log.error("Can not find the corresponding Interface from " |
Thomas Vachuska | b97cf28 | 2014-10-20 23:31:12 -0700 | [diff] [blame] | 256 | + "configuration for BGP peer {}", |
| 257 | bgpPeer.ipAddress()); |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 258 | continue; |
| 259 | } |
| 260 | IpAddress bgpdAddress = null; |
| 261 | for (InterfaceAddress interfaceAddress : interfaceAddresses) { |
| 262 | if (interfaceAddress.connectPoint().equals( |
| 263 | peerInterface.connectPoint())) { |
| 264 | bgpdAddress = interfaceAddress.ipAddress(); |
| 265 | break; |
| 266 | } |
| 267 | |
| 268 | } |
| 269 | if (bgpdAddress == null) { |
| 270 | log.debug("There is no IP address for bgpPeer: {} on " |
Thomas Vachuska | b97cf28 | 2014-10-20 23:31:12 -0700 | [diff] [blame] | 271 | + "interface port: {}", bgpPeer, |
| 272 | bgpPeer.connectPoint()); |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 273 | return; |
| 274 | } |
| 275 | |
| 276 | IpAddress bgpdPeerAddress = bgpPeer.ipAddress(); |
| 277 | ConnectPoint bgpdPeerConnectPoint = peerInterface.connectPoint(); |
| 278 | |
| 279 | // install intent for ICMP path from BGPd to BGP peer |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 280 | TrafficSelector selector = DefaultTrafficSelector.builder() |
| 281 | .matchEthType(Ethernet.TYPE_IPV4) |
| 282 | .matchIPProtocol(IPv4.PROTOCOL_ICMP) |
Pavlin Radoslavov | 211f4e5 | 2014-10-31 11:58:14 -0700 | [diff] [blame^] | 283 | .matchIPSrc(IpPrefix.valueOf(bgpdAddress, |
Pavlin Radoslavov | 52307e6 | 2014-10-29 15:07:37 -0700 | [diff] [blame] | 284 | IpPrefix.MAX_INET_MASK_LENGTH)) |
Pavlin Radoslavov | 211f4e5 | 2014-10-31 11:58:14 -0700 | [diff] [blame^] | 285 | .matchIPDst(IpPrefix.valueOf(bgpdPeerAddress, |
Pavlin Radoslavov | 52307e6 | 2014-10-29 15:07:37 -0700 | [diff] [blame] | 286 | IpPrefix.MAX_INET_MASK_LENGTH)) |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 287 | .build(); |
| 288 | |
| 289 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 290 | .build(); |
| 291 | |
Thomas Vachuska | b97cf28 | 2014-10-20 23:31:12 -0700 | [diff] [blame] | 292 | PointToPointIntent intent = |
| 293 | new PointToPointIntent(appId, selector, treatment, |
| 294 | bgpdConnectPoint, bgpdPeerConnectPoint); |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 295 | intentService.submit(intent); |
| 296 | log.debug("Submitted ICMP path intent from BGPd {} to peer {} :" |
Thomas Vachuska | b97cf28 | 2014-10-20 23:31:12 -0700 | [diff] [blame] | 297 | + " {}", bgpdAddress, bgpdPeerAddress, intent); |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 298 | |
| 299 | // install intent for reversed ICMP path from BGP peer to BGPd |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 300 | selector = DefaultTrafficSelector.builder() |
| 301 | .matchEthType(Ethernet.TYPE_IPV4) |
| 302 | .matchIPProtocol(IPv4.PROTOCOL_ICMP) |
Pavlin Radoslavov | 211f4e5 | 2014-10-31 11:58:14 -0700 | [diff] [blame^] | 303 | .matchIPSrc(IpPrefix.valueOf(bgpdPeerAddress, |
Pavlin Radoslavov | 52307e6 | 2014-10-29 15:07:37 -0700 | [diff] [blame] | 304 | IpPrefix.MAX_INET_MASK_LENGTH)) |
Pavlin Radoslavov | 211f4e5 | 2014-10-31 11:58:14 -0700 | [diff] [blame^] | 305 | .matchIPDst(IpPrefix.valueOf(bgpdAddress, |
Pavlin Radoslavov | 52307e6 | 2014-10-29 15:07:37 -0700 | [diff] [blame] | 306 | IpPrefix.MAX_INET_MASK_LENGTH)) |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 307 | .build(); |
| 308 | |
Thomas Vachuska | b97cf28 | 2014-10-20 23:31:12 -0700 | [diff] [blame] | 309 | PointToPointIntent reversedIntent = |
| 310 | new PointToPointIntent(appId, selector, treatment, |
| 311 | bgpdPeerConnectPoint, bgpdConnectPoint); |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 312 | intentService.submit(reversedIntent); |
| 313 | log.debug("Submitted ICMP path intent from BGP peer {} to BGPd" |
Thomas Vachuska | b97cf28 | 2014-10-20 23:31:12 -0700 | [diff] [blame] | 314 | + " {} : {}", |
| 315 | bgpdPeerAddress, bgpdAddress, reversedIntent); |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 316 | } |
| 317 | } |
| 318 | } |
| 319 | |
Jonathan Hart | dc711bd | 2014-10-15 11:24:23 -0700 | [diff] [blame] | 320 | } |