Charles Chan | d299036 | 2016-04-18 13:44:03 -0700 | [diff] [blame] | 1 | /* |
Brian O'Connor | a09fe5b | 2017-08-03 21:12:30 -0700 | [diff] [blame] | 2 | * Copyright 2016-present Open Networking Foundation |
Charles Chan | d299036 | 2016-04-18 13:44:03 -0700 | [diff] [blame] | 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.segmentrouting; |
| 18 | |
Jonghwan Hyun | 800d9d0 | 2018-04-09 09:40:50 -0700 | [diff] [blame] | 19 | import org.onlab.packet.EthType; |
Charles Chan | d299036 | 2016-04-18 13:44:03 -0700 | [diff] [blame] | 20 | import org.onlab.packet.IpAddress; |
Jonghwan Hyun | 42fe105 | 2017-08-25 17:48:36 -0700 | [diff] [blame] | 21 | import org.onlab.packet.IpPrefix; |
Charles Chan | d299036 | 2016-04-18 13:44:03 -0700 | [diff] [blame] | 22 | import org.onlab.packet.MacAddress; |
| 23 | import org.onlab.packet.VlanId; |
Charles Chan | 59cc16d | 2017-02-02 16:20:42 -0800 | [diff] [blame] | 24 | import org.onosproject.net.ConnectPoint; |
Charles Chan | d299036 | 2016-04-18 13:44:03 -0700 | [diff] [blame] | 25 | import org.onosproject.net.DeviceId; |
Charles Chan | 6ea94fc | 2016-05-10 17:29:47 -0700 | [diff] [blame] | 26 | import org.onosproject.net.Host; |
Charles Chan | 93e71ba | 2016-04-29 14:38:22 -0700 | [diff] [blame] | 27 | import org.onosproject.net.HostLocation; |
Charles Chan | d299036 | 2016-04-18 13:44:03 -0700 | [diff] [blame] | 28 | import org.onosproject.net.PortNumber; |
Charles Chan | d299036 | 2016-04-18 13:44:03 -0700 | [diff] [blame] | 29 | import org.onosproject.net.host.HostEvent; |
Charles Chan | 4793375 | 2017-11-30 15:37:50 -0800 | [diff] [blame] | 30 | import org.onosproject.net.host.HostLocationProbingService.ProbeMode; |
Charles Chan | d299036 | 2016-04-18 13:44:03 -0700 | [diff] [blame] | 31 | import org.onosproject.net.host.HostService; |
| 32 | import org.slf4j.Logger; |
| 33 | import org.slf4j.LoggerFactory; |
| 34 | |
Saurav Das | 018605f | 2017-02-18 14:05:44 -0800 | [diff] [blame] | 35 | import com.google.common.collect.Sets; |
Charles Chan | 6523824 | 2017-06-22 18:03:14 -0700 | [diff] [blame] | 36 | |
Saurav Das | 45f4815 | 2018-01-18 12:07:33 -0800 | [diff] [blame] | 37 | import java.util.HashSet; |
Charles Chan | 6523824 | 2017-06-22 18:03:14 -0700 | [diff] [blame] | 38 | import java.util.Optional; |
Charles Chan | d299036 | 2016-04-18 13:44:03 -0700 | [diff] [blame] | 39 | import java.util.Set; |
Charles Chan | f9a5270 | 2017-06-16 15:19:24 -0700 | [diff] [blame] | 40 | import java.util.stream.Collectors; |
| 41 | |
| 42 | import static com.google.common.base.Preconditions.checkArgument; |
Charles Chan | d299036 | 2016-04-18 13:44:03 -0700 | [diff] [blame] | 43 | |
| 44 | /** |
| 45 | * Handles host-related events. |
| 46 | */ |
| 47 | public class HostHandler { |
| 48 | private static final Logger log = LoggerFactory.getLogger(HostHandler.class); |
Charles Chan | 4793375 | 2017-11-30 15:37:50 -0800 | [diff] [blame] | 49 | |
Charles Chan | 2e2e340 | 2017-06-19 14:00:53 -0700 | [diff] [blame] | 50 | protected final SegmentRoutingManager srManager; |
Charles Chan | d299036 | 2016-04-18 13:44:03 -0700 | [diff] [blame] | 51 | private HostService hostService; |
Charles Chan | d299036 | 2016-04-18 13:44:03 -0700 | [diff] [blame] | 52 | |
| 53 | /** |
| 54 | * Constructs the HostHandler. |
| 55 | * |
| 56 | * @param srManager Segment Routing manager |
| 57 | */ |
Charles Chan | f9a5270 | 2017-06-16 15:19:24 -0700 | [diff] [blame] | 58 | HostHandler(SegmentRoutingManager srManager) { |
Charles Chan | d299036 | 2016-04-18 13:44:03 -0700 | [diff] [blame] | 59 | this.srManager = srManager; |
Charles Chan | d299036 | 2016-04-18 13:44:03 -0700 | [diff] [blame] | 60 | hostService = srManager.hostService; |
Charles Chan | d299036 | 2016-04-18 13:44:03 -0700 | [diff] [blame] | 61 | } |
| 62 | |
Charles Chan | 03a73e0 | 2016-10-24 14:52:01 -0700 | [diff] [blame] | 63 | protected void init(DeviceId devId) { |
Charles Chan | f9a5270 | 2017-06-16 15:19:24 -0700 | [diff] [blame] | 64 | hostService.getHosts().forEach(host -> |
| 65 | host.locations().stream() |
Charles Chan | 4793375 | 2017-11-30 15:37:50 -0800 | [diff] [blame] | 66 | .filter(location -> location.deviceId().equals(devId) || |
| 67 | location.deviceId().equals(srManager.getPairDeviceId(devId).orElse(null))) |
Charles Chan | f9a5270 | 2017-06-16 15:19:24 -0700 | [diff] [blame] | 68 | .forEach(location -> processHostAddedAtLocation(host, location)) |
| 69 | ); |
Charles Chan | 93e71ba | 2016-04-29 14:38:22 -0700 | [diff] [blame] | 70 | } |
Charles Chan | d299036 | 2016-04-18 13:44:03 -0700 | [diff] [blame] | 71 | |
Charles Chan | f9a5270 | 2017-06-16 15:19:24 -0700 | [diff] [blame] | 72 | void processHostAddedEvent(HostEvent event) { |
Charles Chan | 35fd1a7 | 2016-06-13 18:54:31 -0700 | [diff] [blame] | 73 | processHostAdded(event.subject()); |
Charles Chan | 93e71ba | 2016-04-29 14:38:22 -0700 | [diff] [blame] | 74 | } |
| 75 | |
Charles Chan | f9a5270 | 2017-06-16 15:19:24 -0700 | [diff] [blame] | 76 | private void processHostAdded(Host host) { |
| 77 | host.locations().forEach(location -> processHostAddedAtLocation(host, location)); |
Saurav Das | 45f4815 | 2018-01-18 12:07:33 -0800 | [diff] [blame] | 78 | // ensure dual-homed host locations have viable uplinks |
Saurav Das | 9a55429 | 2018-04-27 18:42:30 -0700 | [diff] [blame] | 79 | if (host.locations().size() > 1 || srManager.singleHomedDown) { |
Saurav Das | 45f4815 | 2018-01-18 12:07:33 -0800 | [diff] [blame] | 80 | host.locations().forEach(loc -> { |
| 81 | if (srManager.mastershipService.isLocalMaster(loc.deviceId())) { |
Saurav Das | 9a55429 | 2018-04-27 18:42:30 -0700 | [diff] [blame] | 82 | srManager.linkHandler.checkUplinksForHost(loc); |
Saurav Das | 45f4815 | 2018-01-18 12:07:33 -0800 | [diff] [blame] | 83 | } |
| 84 | }); |
| 85 | } |
Charles Chan | d299036 | 2016-04-18 13:44:03 -0700 | [diff] [blame] | 86 | } |
| 87 | |
Charles Chan | f9a5270 | 2017-06-16 15:19:24 -0700 | [diff] [blame] | 88 | void processHostAddedAtLocation(Host host, HostLocation location) { |
| 89 | checkArgument(host.locations().contains(location), "{} is not a location of {}", location, host); |
| 90 | |
Charles Chan | 8e786b5 | 2017-09-12 18:57:47 -0700 | [diff] [blame] | 91 | MacAddress hostMac = host.mac(); |
| 92 | VlanId hostVlanId = host.vlan(); |
Charles Chan | f9a5270 | 2017-06-16 15:19:24 -0700 | [diff] [blame] | 93 | Set<HostLocation> locations = host.locations(); |
| 94 | Set<IpAddress> ips = host.ipAddresses(); |
Charles Chan | 8e786b5 | 2017-09-12 18:57:47 -0700 | [diff] [blame] | 95 | log.info("Host {}/{} is added at {}", hostMac, hostVlanId, locations); |
Charles Chan | f9a5270 | 2017-06-16 15:19:24 -0700 | [diff] [blame] | 96 | |
Jonghwan Hyun | 800d9d0 | 2018-04-09 09:40:50 -0700 | [diff] [blame] | 97 | if (isDoubleTaggedHost(host)) { |
| 98 | ips.forEach(ip -> |
| 99 | processDoubleTaggedRoutingRule(location.deviceId(), location.port(), hostMac, |
| 100 | host.innerVlan(), hostVlanId, host.tpid(), ip, false) |
| 101 | ); |
| 102 | } else { |
| 103 | processBridgingRule(location.deviceId(), location.port(), hostMac, hostVlanId, false); |
| 104 | ips.forEach(ip -> |
Charles Chan | 2ff1bac | 2018-03-29 16:03:41 -0700 | [diff] [blame] | 105 | processRoutingRule(location.deviceId(), location.port(), hostMac, hostVlanId, ip, false) |
Jonghwan Hyun | 800d9d0 | 2018-04-09 09:40:50 -0700 | [diff] [blame] | 106 | ); |
| 107 | } |
Charles Chan | 8e786b5 | 2017-09-12 18:57:47 -0700 | [diff] [blame] | 108 | |
| 109 | // Use the pair link temporarily before the second location of a dual-homed host shows up. |
| 110 | // This do not affect single-homed hosts since the flow will be blocked in |
| 111 | // processBridgingRule or processRoutingRule due to VLAN or IP mismatch respectively |
| 112 | srManager.getPairDeviceId(location.deviceId()).ifPresent(pairDeviceId -> { |
Charles Chan | 2ff1bac | 2018-03-29 16:03:41 -0700 | [diff] [blame] | 113 | if (host.locations().stream().noneMatch(l -> l.deviceId().equals(pairDeviceId))) { |
Saurav Das | 9a55429 | 2018-04-27 18:42:30 -0700 | [diff] [blame] | 114 | srManager.getPairLocalPort(pairDeviceId).ifPresent(pairRemotePort -> { |
Charles Chan | 8e786b5 | 2017-09-12 18:57:47 -0700 | [diff] [blame] | 115 | // NOTE: Since the pairLocalPort is trunk port, use assigned vlan of original port |
| 116 | // when the host is untagged |
| 117 | VlanId vlanId = Optional.ofNullable(srManager.getInternalVlanId(location)).orElse(hostVlanId); |
| 118 | |
| 119 | processBridgingRule(pairDeviceId, pairRemotePort, hostMac, vlanId, false); |
| 120 | ips.forEach(ip -> processRoutingRule(pairDeviceId, pairRemotePort, hostMac, vlanId, |
| 121 | ip, false)); |
Charles Chan | 4793375 | 2017-11-30 15:37:50 -0800 | [diff] [blame] | 122 | |
| 123 | if (srManager.activeProbing) { |
| 124 | probe(host, location, pairDeviceId, pairRemotePort); |
| 125 | } |
Charles Chan | 8e786b5 | 2017-09-12 18:57:47 -0700 | [diff] [blame] | 126 | }); |
| 127 | } |
| 128 | }); |
Charles Chan | f9a5270 | 2017-06-16 15:19:24 -0700 | [diff] [blame] | 129 | } |
| 130 | |
| 131 | void processHostRemovedEvent(HostEvent event) { |
Charles Chan | 35fd1a7 | 2016-06-13 18:54:31 -0700 | [diff] [blame] | 132 | processHostRemoved(event.subject()); |
| 133 | } |
| 134 | |
Charles Chan | f9a5270 | 2017-06-16 15:19:24 -0700 | [diff] [blame] | 135 | private void processHostRemoved(Host host) { |
Charles Chan | 6523824 | 2017-06-22 18:03:14 -0700 | [diff] [blame] | 136 | MacAddress hostMac = host.mac(); |
| 137 | VlanId hostVlanId = host.vlan(); |
Charles Chan | f9a5270 | 2017-06-16 15:19:24 -0700 | [diff] [blame] | 138 | Set<HostLocation> locations = host.locations(); |
Charles Chan | 35fd1a7 | 2016-06-13 18:54:31 -0700 | [diff] [blame] | 139 | Set<IpAddress> ips = host.ipAddresses(); |
Charles Chan | 6523824 | 2017-06-22 18:03:14 -0700 | [diff] [blame] | 140 | log.info("Host {}/{} is removed from {}", hostMac, hostVlanId, locations); |
Charles Chan | 93e71ba | 2016-04-29 14:38:22 -0700 | [diff] [blame] | 141 | |
Charles Chan | 2fde6d4 | 2017-08-23 14:46:43 -0700 | [diff] [blame] | 142 | locations.forEach(location -> { |
Jonghwan Hyun | 800d9d0 | 2018-04-09 09:40:50 -0700 | [diff] [blame] | 143 | if (isDoubleTaggedHost(host)) { |
| 144 | ips.forEach(ip -> |
| 145 | processDoubleTaggedRoutingRule(location.deviceId(), location.port(), hostMac, |
| 146 | host.innerVlan(), hostVlanId, host.tpid(), ip, true) |
| 147 | ); |
| 148 | } else { |
| 149 | processBridgingRule(location.deviceId(), location.port(), hostMac, hostVlanId, true); |
| 150 | ips.forEach(ip -> |
Charles Chan | 2ff1bac | 2018-03-29 16:03:41 -0700 | [diff] [blame] | 151 | processRoutingRule(location.deviceId(), location.port(), hostMac, hostVlanId, ip, true) |
Jonghwan Hyun | 800d9d0 | 2018-04-09 09:40:50 -0700 | [diff] [blame] | 152 | ); |
| 153 | } |
Charles Chan | 6523824 | 2017-06-22 18:03:14 -0700 | [diff] [blame] | 154 | |
| 155 | // Also remove redirection flows on the pair device if exists. |
| 156 | Optional<DeviceId> pairDeviceId = srManager.getPairDeviceId(location.deviceId()); |
Saurav Das | 9a55429 | 2018-04-27 18:42:30 -0700 | [diff] [blame] | 157 | Optional<PortNumber> pairLocalPort = srManager.getPairLocalPort(location.deviceId()); |
Charles Chan | 2ff1bac | 2018-03-29 16:03:41 -0700 | [diff] [blame] | 158 | if (pairDeviceId.isPresent() && pairLocalPort.isPresent()) { |
Charles Chan | 6523824 | 2017-06-22 18:03:14 -0700 | [diff] [blame] | 159 | // NOTE: Since the pairLocalPort is trunk port, use assigned vlan of original port |
| 160 | // when the host is untagged |
| 161 | VlanId vlanId = Optional.ofNullable(srManager.getInternalVlanId(location)).orElse(hostVlanId); |
| 162 | |
| 163 | processBridgingRule(pairDeviceId.get(), pairLocalPort.get(), hostMac, vlanId, true); |
| 164 | ips.forEach(ip -> |
| 165 | processRoutingRule(pairDeviceId.get(), pairLocalPort.get(), hostMac, vlanId, |
| 166 | ip, true)); |
| 167 | } |
Charles Chan | f9a5270 | 2017-06-16 15:19:24 -0700 | [diff] [blame] | 168 | }); |
Charles Chan | 93e71ba | 2016-04-29 14:38:22 -0700 | [diff] [blame] | 169 | } |
| 170 | |
Charles Chan | f9a5270 | 2017-06-16 15:19:24 -0700 | [diff] [blame] | 171 | void processHostMovedEvent(HostEvent event) { |
Charles Chan | 9bd0e5a | 2018-04-25 18:51:46 -0400 | [diff] [blame^] | 172 | Host host = event.subject(); |
Jonghwan Hyun | 800d9d0 | 2018-04-09 09:40:50 -0700 | [diff] [blame] | 173 | MacAddress hostMac = host.mac(); |
| 174 | VlanId hostVlanId = host.vlan(); |
Charles Chan | 9bd0e5a | 2018-04-25 18:51:46 -0400 | [diff] [blame^] | 175 | Set<HostLocation> prevLocations = event.prevSubject().locations(); |
| 176 | Set<IpAddress> prevIps = event.prevSubject().ipAddresses(); |
| 177 | Set<HostLocation> newLocations = host.locations(); |
| 178 | Set<IpAddress> newIps = host.ipAddresses(); |
Jonghwan Hyun | 800d9d0 | 2018-04-09 09:40:50 -0700 | [diff] [blame] | 179 | EthType hostTpid = host.tpid(); |
| 180 | boolean doubleTaggedHost = isDoubleTaggedHost(host); |
Charles Chan | 9bd0e5a | 2018-04-25 18:51:46 -0400 | [diff] [blame^] | 181 | |
Charles Chan | 4793375 | 2017-11-30 15:37:50 -0800 | [diff] [blame] | 182 | log.info("Host {}/{} is moved from {} to {}", hostMac, hostVlanId, prevLocations, newLocations); |
Charles Chan | f9a5270 | 2017-06-16 15:19:24 -0700 | [diff] [blame] | 183 | Set<DeviceId> newDeviceIds = newLocations.stream().map(HostLocation::deviceId) |
| 184 | .collect(Collectors.toSet()); |
Charles Chan | 93e71ba | 2016-04-29 14:38:22 -0700 | [diff] [blame] | 185 | |
Charles Chan | f9a5270 | 2017-06-16 15:19:24 -0700 | [diff] [blame] | 186 | // For each old location |
Charles Chan | 2ff1bac | 2018-03-29 16:03:41 -0700 | [diff] [blame] | 187 | Sets.difference(prevLocations, newLocations).forEach(prevLocation -> { |
Charles Chan | 6523824 | 2017-06-22 18:03:14 -0700 | [diff] [blame] | 188 | // Remove routing rules for old IPs |
Jonghwan Hyun | 800d9d0 | 2018-04-09 09:40:50 -0700 | [diff] [blame] | 189 | Sets.difference(prevIps, newIps).forEach(ip -> { |
| 190 | if (doubleTaggedHost) { |
| 191 | processDoubleTaggedRoutingRule(prevLocation.deviceId(), prevLocation.port(), |
| 192 | hostMac, host.innerVlan(), hostVlanId, hostTpid, ip, true); |
| 193 | } else { |
Charles Chan | 6523824 | 2017-06-22 18:03:14 -0700 | [diff] [blame] | 194 | processRoutingRule(prevLocation.deviceId(), prevLocation.port(), hostMac, hostVlanId, |
Jonghwan Hyun | 800d9d0 | 2018-04-09 09:40:50 -0700 | [diff] [blame] | 195 | ip, true); |
| 196 | } |
| 197 | }); |
Charles Chan | 6523824 | 2017-06-22 18:03:14 -0700 | [diff] [blame] | 198 | |
| 199 | // Redirect the flows to pair link if configured |
| 200 | // Note: Do not continue removing any rule |
| 201 | Optional<DeviceId> pairDeviceId = srManager.getPairDeviceId(prevLocation.deviceId()); |
Saurav Das | 9a55429 | 2018-04-27 18:42:30 -0700 | [diff] [blame] | 202 | Optional<PortNumber> pairLocalPort = srManager.getPairLocalPort(prevLocation.deviceId()); |
Charles Chan | 6523824 | 2017-06-22 18:03:14 -0700 | [diff] [blame] | 203 | if (pairDeviceId.isPresent() && pairLocalPort.isPresent() && newLocations.stream() |
| 204 | .anyMatch(location -> location.deviceId().equals(pairDeviceId.get()))) { |
| 205 | // NOTE: Since the pairLocalPort is trunk port, use assigned vlan of original port |
| 206 | // when the host is untagged |
| 207 | VlanId vlanId = Optional.ofNullable(srManager.getInternalVlanId(prevLocation)).orElse(hostVlanId); |
| 208 | |
| 209 | processBridgingRule(prevLocation.deviceId(), pairLocalPort.get(), hostMac, vlanId, false); |
| 210 | newIps.forEach(ip -> |
| 211 | processRoutingRule(prevLocation.deviceId(), pairLocalPort.get(), hostMac, vlanId, |
| 212 | ip, false)); |
| 213 | return; |
| 214 | } |
Charles Chan | f9a5270 | 2017-06-16 15:19:24 -0700 | [diff] [blame] | 215 | |
Charles Chan | 50bb6ef | 2018-04-18 18:41:05 -0700 | [diff] [blame] | 216 | // Remove flows for unchanged IPs only when the host moves from a switch to another. |
Charles Chan | f9a5270 | 2017-06-16 15:19:24 -0700 | [diff] [blame] | 217 | // Otherwise, do not remove and let the adding part update the old flow |
| 218 | if (!newDeviceIds.contains(prevLocation.deviceId())) { |
Charles Chan | 6523824 | 2017-06-22 18:03:14 -0700 | [diff] [blame] | 219 | processBridgingRule(prevLocation.deviceId(), prevLocation.port(), hostMac, hostVlanId, true); |
Jonghwan Hyun | 800d9d0 | 2018-04-09 09:40:50 -0700 | [diff] [blame] | 220 | Sets.intersection(prevIps, newIps).forEach(ip -> { |
| 221 | if (doubleTaggedHost) { |
| 222 | processDoubleTaggedRoutingRule(prevLocation.deviceId(), prevLocation.port(), |
| 223 | hostMac, host.innerVlan(), hostVlanId, hostTpid, ip, true); |
| 224 | } else { |
| 225 | processRoutingRule(prevLocation.deviceId(), prevLocation.port(), |
| 226 | hostMac, hostVlanId, ip, true); |
| 227 | } |
| 228 | }); |
Charles Chan | f9a5270 | 2017-06-16 15:19:24 -0700 | [diff] [blame] | 229 | } |
| 230 | |
| 231 | // Remove bridging rules if new interface vlan is different from old interface vlan |
| 232 | // Otherwise, do not remove and let the adding part update the old flow |
| 233 | if (newLocations.stream().noneMatch(newLocation -> { |
| 234 | VlanId oldAssignedVlan = srManager.getInternalVlanId(prevLocation); |
| 235 | VlanId newAssignedVlan = srManager.getInternalVlanId(newLocation); |
| 236 | // Host is tagged and the new location has the host vlan in vlan-tagged |
Charles Chan | 971d7ba | 2018-05-01 11:50:20 -0700 | [diff] [blame] | 237 | return srManager.interfaceService.getTaggedVlanId(newLocation).contains(hostVlanId) || |
Charles Chan | f9a5270 | 2017-06-16 15:19:24 -0700 | [diff] [blame] | 238 | (oldAssignedVlan != null && newAssignedVlan != null && |
| 239 | // Host is untagged and the new location has the same assigned vlan |
| 240 | oldAssignedVlan.equals(newAssignedVlan)); |
| 241 | })) { |
Charles Chan | 6523824 | 2017-06-22 18:03:14 -0700 | [diff] [blame] | 242 | processBridgingRule(prevLocation.deviceId(), prevLocation.port(), hostMac, hostVlanId, true); |
Charles Chan | f9a5270 | 2017-06-16 15:19:24 -0700 | [diff] [blame] | 243 | } |
| 244 | |
| 245 | // Remove routing rules for unchanged IPs if none of the subnet of new location contains |
| 246 | // the IP. Otherwise, do not remove and let the adding part update the old flow |
| 247 | Sets.intersection(prevIps, newIps).forEach(ip -> { |
| 248 | if (newLocations.stream().noneMatch(newLocation -> |
| 249 | srManager.deviceConfiguration.inSameSubnet(newLocation, ip))) { |
Jonghwan Hyun | 800d9d0 | 2018-04-09 09:40:50 -0700 | [diff] [blame] | 250 | if (doubleTaggedHost) { |
| 251 | processDoubleTaggedRoutingRule(prevLocation.deviceId(), prevLocation.port(), |
| 252 | hostMac, host.innerVlan(), hostVlanId, hostTpid, ip, true); |
| 253 | } else { |
| 254 | processRoutingRule(prevLocation.deviceId(), prevLocation.port(), |
| 255 | hostMac, hostVlanId, ip, true); |
| 256 | } |
Charles Chan | f9a5270 | 2017-06-16 15:19:24 -0700 | [diff] [blame] | 257 | } |
Charles Chan | 93e71ba | 2016-04-29 14:38:22 -0700 | [diff] [blame] | 258 | }); |
Charles Chan | f9a5270 | 2017-06-16 15:19:24 -0700 | [diff] [blame] | 259 | }); |
| 260 | |
| 261 | // For each new location, add all new IPs. |
Charles Chan | 50bb6ef | 2018-04-18 18:41:05 -0700 | [diff] [blame] | 262 | Sets.difference(newLocations, prevLocations).forEach(newLocation -> { |
Charles Chan | 6523824 | 2017-06-22 18:03:14 -0700 | [diff] [blame] | 263 | processBridgingRule(newLocation.deviceId(), newLocation.port(), hostMac, hostVlanId, false); |
Jonghwan Hyun | 800d9d0 | 2018-04-09 09:40:50 -0700 | [diff] [blame] | 264 | newIps.forEach(ip -> { |
| 265 | if (doubleTaggedHost) { |
| 266 | processDoubleTaggedRoutingRule(newLocation.deviceId(), newLocation.port(), |
| 267 | hostMac, host.innerVlan(), hostVlanId, hostTpid, ip, false); |
| 268 | } else { |
Charles Chan | 6523824 | 2017-06-22 18:03:14 -0700 | [diff] [blame] | 269 | processRoutingRule(newLocation.deviceId(), newLocation.port(), hostMac, hostVlanId, |
Jonghwan Hyun | 800d9d0 | 2018-04-09 09:40:50 -0700 | [diff] [blame] | 270 | ip, false); |
| 271 | } |
| 272 | }); |
Charles Chan | 9bd0e5a | 2018-04-25 18:51:46 -0400 | [diff] [blame^] | 273 | |
| 274 | // Probe on pair device when host move |
| 275 | // Majorly for the 2nd step of [1A/x, 1B/x] -> [1A/x, 1B/y] -> [1A/y, 1B/y] |
| 276 | // But will also cover [1A/x] -> [1A/y] -> [1A/y, 1B/y] |
| 277 | if (srManager.activeProbing) { |
| 278 | srManager.getPairDeviceId(newLocation.deviceId()).ifPresent(pairDeviceId -> |
| 279 | srManager.getPairLocalPort(pairDeviceId).ifPresent(pairRemotePort -> |
| 280 | probe(host, newLocation, pairDeviceId, pairRemotePort) |
| 281 | ) |
| 282 | ); |
| 283 | } |
Charles Chan | f9a5270 | 2017-06-16 15:19:24 -0700 | [diff] [blame] | 284 | }); |
| 285 | |
| 286 | // For each unchanged location, add new IPs and remove old IPs. |
Charles Chan | 50bb6ef | 2018-04-18 18:41:05 -0700 | [diff] [blame] | 287 | Sets.intersection(newLocations, prevLocations).forEach(unchangedLocation -> { |
Jonghwan Hyun | 800d9d0 | 2018-04-09 09:40:50 -0700 | [diff] [blame] | 288 | Sets.difference(prevIps, newIps).forEach(ip -> { |
| 289 | if (doubleTaggedHost) { |
| 290 | processDoubleTaggedRoutingRule(unchangedLocation.deviceId(), unchangedLocation.port(), |
| 291 | hostMac, host.innerVlan(), hostVlanId, hostTpid, ip, true); |
| 292 | } else { |
| 293 | processRoutingRule(unchangedLocation.deviceId(), unchangedLocation.port(), |
| 294 | hostMac, hostVlanId, ip, true); |
| 295 | } |
| 296 | }); |
Charles Chan | f9a5270 | 2017-06-16 15:19:24 -0700 | [diff] [blame] | 297 | |
Jonghwan Hyun | 800d9d0 | 2018-04-09 09:40:50 -0700 | [diff] [blame] | 298 | Sets.difference(newIps, prevIps).forEach(ip -> { |
| 299 | if (doubleTaggedHost) { |
| 300 | processDoubleTaggedRoutingRule(unchangedLocation.deviceId(), unchangedLocation.port(), |
| 301 | hostMac, host.innerVlan(), hostVlanId, hostTpid, ip, false); |
| 302 | } else { |
| 303 | processRoutingRule(unchangedLocation.deviceId(), unchangedLocation.port(), |
| 304 | hostMac, hostVlanId, ip, false); |
| 305 | } |
| 306 | }); |
Charles Chan | f9a5270 | 2017-06-16 15:19:24 -0700 | [diff] [blame] | 307 | }); |
Saurav Das | 45f4815 | 2018-01-18 12:07:33 -0800 | [diff] [blame] | 308 | |
| 309 | // ensure dual-homed host locations have viable uplinks |
Saurav Das | 9a55429 | 2018-04-27 18:42:30 -0700 | [diff] [blame] | 310 | if (newLocations.size() > prevLocations.size() || srManager.singleHomedDown) { |
Saurav Das | 45f4815 | 2018-01-18 12:07:33 -0800 | [diff] [blame] | 311 | newLocations.forEach(loc -> { |
| 312 | if (srManager.mastershipService.isLocalMaster(loc.deviceId())) { |
Saurav Das | 9a55429 | 2018-04-27 18:42:30 -0700 | [diff] [blame] | 313 | srManager.linkHandler.checkUplinksForHost(loc); |
Saurav Das | 45f4815 | 2018-01-18 12:07:33 -0800 | [diff] [blame] | 314 | } |
| 315 | }); |
| 316 | } |
Charles Chan | 93e71ba | 2016-04-29 14:38:22 -0700 | [diff] [blame] | 317 | } |
| 318 | |
Charles Chan | f9a5270 | 2017-06-16 15:19:24 -0700 | [diff] [blame] | 319 | void processHostUpdatedEvent(HostEvent event) { |
Charles Chan | 4793375 | 2017-11-30 15:37:50 -0800 | [diff] [blame] | 320 | Host host = event.subject(); |
| 321 | MacAddress hostMac = host.mac(); |
| 322 | VlanId hostVlanId = host.vlan(); |
Jonghwan Hyun | 800d9d0 | 2018-04-09 09:40:50 -0700 | [diff] [blame] | 323 | EthType hostTpid = host.tpid(); |
Charles Chan | 4793375 | 2017-11-30 15:37:50 -0800 | [diff] [blame] | 324 | Set<HostLocation> locations = host.locations(); |
Charles Chan | 93e71ba | 2016-04-29 14:38:22 -0700 | [diff] [blame] | 325 | Set<IpAddress> prevIps = event.prevSubject().ipAddresses(); |
Charles Chan | 4793375 | 2017-11-30 15:37:50 -0800 | [diff] [blame] | 326 | Set<IpAddress> newIps = host.ipAddresses(); |
Charles Chan | 3d650a6 | 2017-11-20 08:46:24 -0800 | [diff] [blame] | 327 | log.info("Host {}/{} is updated", hostMac, hostVlanId); |
Charles Chan | 93e71ba | 2016-04-29 14:38:22 -0700 | [diff] [blame] | 328 | |
Charles Chan | 2ff1bac | 2018-03-29 16:03:41 -0700 | [diff] [blame] | 329 | locations.forEach(location -> { |
Jonghwan Hyun | 800d9d0 | 2018-04-09 09:40:50 -0700 | [diff] [blame] | 330 | Sets.difference(prevIps, newIps).forEach(ip -> { |
| 331 | if (isDoubleTaggedHost(host)) { |
| 332 | processDoubleTaggedRoutingRule(location.deviceId(), location.port(), hostMac, |
| 333 | host.innerVlan(), hostVlanId, hostTpid, ip, true); |
| 334 | } else { |
| 335 | processRoutingRule(location.deviceId(), location.port(), hostMac, |
| 336 | hostVlanId, ip, true); |
| 337 | } |
| 338 | }); |
| 339 | Sets.difference(newIps, prevIps).forEach(ip -> { |
| 340 | if (isDoubleTaggedHost(host)) { |
| 341 | processDoubleTaggedRoutingRule(location.deviceId(), location.port(), hostMac, |
| 342 | host.innerVlan(), hostVlanId, hostTpid, ip, false); |
| 343 | } else { |
| 344 | processRoutingRule(location.deviceId(), location.port(), hostMac, |
| 345 | hostVlanId, ip, false); |
| 346 | } |
| 347 | }); |
Charles Chan | f9a5270 | 2017-06-16 15:19:24 -0700 | [diff] [blame] | 348 | }); |
Charles Chan | 3d650a6 | 2017-11-20 08:46:24 -0800 | [diff] [blame] | 349 | |
| 350 | // Use the pair link temporarily before the second location of a dual-homed host shows up. |
| 351 | // This do not affect single-homed hosts since the flow will be blocked in |
| 352 | // processBridgingRule or processRoutingRule due to VLAN or IP mismatch respectively |
Charles Chan | 4793375 | 2017-11-30 15:37:50 -0800 | [diff] [blame] | 353 | locations.forEach(location -> |
Charles Chan | 3d650a6 | 2017-11-20 08:46:24 -0800 | [diff] [blame] | 354 | srManager.getPairDeviceId(location.deviceId()).ifPresent(pairDeviceId -> { |
Charles Chan | 2ff1bac | 2018-03-29 16:03:41 -0700 | [diff] [blame] | 355 | if (locations.stream().noneMatch(l -> l.deviceId().equals(pairDeviceId))) { |
Charles Chan | 4793375 | 2017-11-30 15:37:50 -0800 | [diff] [blame] | 356 | Set<IpAddress> ipsToAdd = Sets.difference(newIps, prevIps); |
| 357 | Set<IpAddress> ipsToRemove = Sets.difference(prevIps, newIps); |
| 358 | |
Saurav Das | 9a55429 | 2018-04-27 18:42:30 -0700 | [diff] [blame] | 359 | srManager.getPairLocalPort(pairDeviceId).ifPresent(pairRemotePort -> { |
Charles Chan | 3d650a6 | 2017-11-20 08:46:24 -0800 | [diff] [blame] | 360 | // NOTE: Since the pairLocalPort is trunk port, use assigned vlan of original port |
| 361 | // when the host is untagged |
| 362 | VlanId vlanId = Optional.ofNullable(srManager.getInternalVlanId(location)).orElse(hostVlanId); |
| 363 | |
Charles Chan | 4793375 | 2017-11-30 15:37:50 -0800 | [diff] [blame] | 364 | ipsToRemove.forEach(ip -> |
Charles Chan | 3d650a6 | 2017-11-20 08:46:24 -0800 | [diff] [blame] | 365 | processRoutingRule(pairDeviceId, pairRemotePort, hostMac, vlanId, ip, true) |
| 366 | ); |
Charles Chan | 4793375 | 2017-11-30 15:37:50 -0800 | [diff] [blame] | 367 | ipsToAdd.forEach(ip -> |
Charles Chan | 3d650a6 | 2017-11-20 08:46:24 -0800 | [diff] [blame] | 368 | processRoutingRule(pairDeviceId, pairRemotePort, hostMac, vlanId, ip, false) |
| 369 | ); |
Charles Chan | 4793375 | 2017-11-30 15:37:50 -0800 | [diff] [blame] | 370 | |
| 371 | if (srManager.activeProbing) { |
| 372 | probe(host, location, pairDeviceId, pairRemotePort); |
| 373 | } |
Charles Chan | 3d650a6 | 2017-11-20 08:46:24 -0800 | [diff] [blame] | 374 | }); |
| 375 | } |
Charles Chan | 4793375 | 2017-11-30 15:37:50 -0800 | [diff] [blame] | 376 | }) |
| 377 | ); |
| 378 | } |
| 379 | |
| 380 | /** |
| 381 | * When a non-pair port comes up, probe each host on the pair device if |
| 382 | * (1) the host is tagged and the tagged vlan of current port contains host vlan; or |
| 383 | * (2) the host is untagged and the internal vlan is the same on the host port and current port. |
| 384 | * |
| 385 | * @param cp connect point |
| 386 | */ |
| 387 | void processPortUp(ConnectPoint cp) { |
Saurav Das | 9a55429 | 2018-04-27 18:42:30 -0700 | [diff] [blame] | 388 | if (cp.port().equals(srManager.getPairLocalPort(cp.deviceId()).orElse(null))) { |
Charles Chan | 4793375 | 2017-11-30 15:37:50 -0800 | [diff] [blame] | 389 | return; |
| 390 | } |
| 391 | if (srManager.activeProbing) { |
| 392 | srManager.getPairDeviceId(cp.deviceId()) |
| 393 | .ifPresent(pairDeviceId -> srManager.hostService.getConnectedHosts(pairDeviceId).stream() |
| 394 | .filter(host -> isHostInVlanOfPort(host, pairDeviceId, cp)) |
| 395 | .forEach(host -> srManager.probingService.probeHostLocation(host, cp, ProbeMode.DISCOVER)) |
| 396 | ); |
| 397 | } |
| 398 | } |
| 399 | |
| 400 | /** |
| 401 | * Checks if given host located on given device id matches VLAN config of current port. |
| 402 | * |
| 403 | * @param host host to check |
| 404 | * @param deviceId device id to check |
| 405 | * @param cp current connect point |
| 406 | * @return true if the host located at deviceId matches the VLAN config on cp |
| 407 | */ |
| 408 | private boolean isHostInVlanOfPort(Host host, DeviceId deviceId, ConnectPoint cp) { |
| 409 | VlanId internalVlan = srManager.getInternalVlanId(cp); |
Charles Chan | 971d7ba | 2018-05-01 11:50:20 -0700 | [diff] [blame] | 410 | Set<VlanId> taggedVlan = srManager.interfaceService.getTaggedVlanId(cp); |
Charles Chan | 4793375 | 2017-11-30 15:37:50 -0800 | [diff] [blame] | 411 | |
| 412 | return taggedVlan.contains(host.vlan()) || |
| 413 | (internalVlan != null && host.locations().stream() |
| 414 | .filter(l -> l.deviceId().equals(deviceId)) |
| 415 | .map(srManager::getInternalVlanId) |
| 416 | .anyMatch(internalVlan::equals)); |
| 417 | } |
| 418 | |
| 419 | /** |
| 420 | * Send a probe on all locations with the same VLAN on pair device, excluding pair port. |
| 421 | * |
| 422 | * @param host host to probe |
| 423 | * @param location newly discovered host location |
| 424 | * @param pairDeviceId pair device id |
| 425 | * @param pairRemotePort pair remote port |
| 426 | */ |
| 427 | private void probe(Host host, ConnectPoint location, DeviceId pairDeviceId, PortNumber pairRemotePort) { |
| 428 | VlanId vlanToProbe = host.vlan().equals(VlanId.NONE) ? |
| 429 | srManager.getInternalVlanId(location) : host.vlan(); |
| 430 | srManager.interfaceService.getInterfaces().stream() |
| 431 | .filter(i -> i.vlanTagged().contains(vlanToProbe) || |
| 432 | i.vlanUntagged().equals(vlanToProbe) || |
| 433 | i.vlanNative().equals(vlanToProbe)) |
| 434 | .filter(i -> i.connectPoint().deviceId().equals(pairDeviceId)) |
| 435 | .filter(i -> !i.connectPoint().port().equals(pairRemotePort)) |
| 436 | .forEach(i -> { |
| 437 | log.debug("Probing host {} on pair device {}", host.id(), i.connectPoint()); |
| 438 | srManager.probingService.probeHostLocation(host, i.connectPoint(), ProbeMode.DISCOVER); |
| 439 | }); |
Charles Chan | 93e71ba | 2016-04-29 14:38:22 -0700 | [diff] [blame] | 440 | } |
| 441 | |
| 442 | /** |
Jonghwan Hyun | 800d9d0 | 2018-04-09 09:40:50 -0700 | [diff] [blame] | 443 | * Populates or revokes a bridging rule on given deviceId that matches given mac, |
| 444 | * given vlan and output to given port. |
Charles Chan | b7b4c93 | 2017-06-15 19:25:25 -0700 | [diff] [blame] | 445 | * |
| 446 | * @param deviceId device ID |
| 447 | * @param port port |
| 448 | * @param mac mac address |
| 449 | * @param vlanId VLAN ID |
| 450 | * @param revoke true to revoke the rule; false to populate |
| 451 | */ |
| 452 | private void processBridgingRule(DeviceId deviceId, PortNumber port, MacAddress mac, |
| 453 | VlanId vlanId, boolean revoke) { |
Charles Chan | 2ff1bac | 2018-03-29 16:03:41 -0700 | [diff] [blame] | 454 | log.info("{} bridging entry for host {}/{} at {}:{}", revoke ? "Revoking" : "Populating", |
Charles Chan | b7b4c93 | 2017-06-15 19:25:25 -0700 | [diff] [blame] | 455 | mac, vlanId, deviceId, port); |
| 456 | |
Charles Chan | 2ff1bac | 2018-03-29 16:03:41 -0700 | [diff] [blame] | 457 | if (!revoke) { |
| 458 | srManager.defaultRoutingHandler.populateBridging(deviceId, port, mac, vlanId); |
| 459 | } else { |
| 460 | srManager.defaultRoutingHandler.revokeBridging(deviceId, port, mac, vlanId); |
Charles Chan | b7b4c93 | 2017-06-15 19:25:25 -0700 | [diff] [blame] | 461 | } |
Charles Chan | b7b4c93 | 2017-06-15 19:25:25 -0700 | [diff] [blame] | 462 | } |
| 463 | |
| 464 | /** |
| 465 | * Populate or revoke a routing rule on given deviceId that matches given ip, |
| 466 | * set destination mac to given mac, set vlan to given vlan and output to given port. |
| 467 | * |
| 468 | * @param deviceId device ID |
| 469 | * @param port port |
| 470 | * @param mac mac address |
| 471 | * @param vlanId VLAN ID |
| 472 | * @param ip IP address |
| 473 | * @param revoke true to revoke the rule; false to populate |
| 474 | */ |
| 475 | private void processRoutingRule(DeviceId deviceId, PortNumber port, MacAddress mac, |
| 476 | VlanId vlanId, IpAddress ip, boolean revoke) { |
| 477 | ConnectPoint location = new ConnectPoint(deviceId, port); |
Charles Chan | f9a5270 | 2017-06-16 15:19:24 -0700 | [diff] [blame] | 478 | if (!srManager.deviceConfiguration.inSameSubnet(location, ip)) { |
| 479 | log.info("{} is not included in the subnet config of {}/{}. Ignored.", ip, deviceId, port); |
| 480 | return; |
Charles Chan | b7b4c93 | 2017-06-15 19:25:25 -0700 | [diff] [blame] | 481 | } |
Charles Chan | b7b4c93 | 2017-06-15 19:25:25 -0700 | [diff] [blame] | 482 | |
Charles Chan | f9a5270 | 2017-06-16 15:19:24 -0700 | [diff] [blame] | 483 | log.info("{} routing rule for {} at {}", revoke ? "Revoking" : "Populating", ip, location); |
| 484 | if (revoke) { |
Charles Chan | 2fde6d4 | 2017-08-23 14:46:43 -0700 | [diff] [blame] | 485 | srManager.defaultRoutingHandler.revokeRoute(deviceId, ip.toIpPrefix(), mac, vlanId, port); |
Charles Chan | f9a5270 | 2017-06-16 15:19:24 -0700 | [diff] [blame] | 486 | } else { |
Charles Chan | 2fde6d4 | 2017-08-23 14:46:43 -0700 | [diff] [blame] | 487 | srManager.defaultRoutingHandler.populateRoute(deviceId, ip.toIpPrefix(), mac, vlanId, port); |
Charles Chan | 6ea94fc | 2016-05-10 17:29:47 -0700 | [diff] [blame] | 488 | } |
Charles Chan | 6ea94fc | 2016-05-10 17:29:47 -0700 | [diff] [blame] | 489 | } |
Jonghwan Hyun | 42fe105 | 2017-08-25 17:48:36 -0700 | [diff] [blame] | 490 | |
Jonghwan Hyun | 800d9d0 | 2018-04-09 09:40:50 -0700 | [diff] [blame] | 491 | /** |
| 492 | * Populate or revoke a routing rule and egress rules on given deviceId that matches given IP, |
| 493 | * to set destination mac to given mac, set inner vlan and outer vlan to given vlans, |
| 494 | * set outer TPID, and output to given port. |
| 495 | * |
| 496 | * @param deviceId device ID |
| 497 | * @param port port |
| 498 | * @param mac mac address |
| 499 | * @param innerVlan inner VLAN ID |
| 500 | * @param outerVlan outer VLAN ID |
| 501 | * @param outerTpid outer TPID |
| 502 | * @param ip IP address |
| 503 | * @param revoke true to revoke the rule; false to populate |
| 504 | */ |
| 505 | private void processDoubleTaggedRoutingRule(DeviceId deviceId, PortNumber port, |
| 506 | MacAddress mac, VlanId innerVlan, |
| 507 | VlanId outerVlan, EthType outerTpid, |
| 508 | IpAddress ip, boolean revoke) { |
| 509 | ConnectPoint location = new ConnectPoint(deviceId, port); |
| 510 | if (!srManager.deviceConfiguration.inSameSubnet(location, ip)) { |
| 511 | log.info("{} is not included in the subnet config of {}/{}. Ignored.", ip, deviceId, port); |
| 512 | return; |
| 513 | } |
| 514 | log.info("{} routing rule for double-tagged host {} at {}", |
| 515 | revoke ? "Revoking" : "Populating", ip, location); |
| 516 | if (revoke) { |
| 517 | srManager.defaultRoutingHandler.revokeDoubleTaggedRoute( |
| 518 | deviceId, ip.toIpPrefix(), mac, innerVlan, outerVlan, outerTpid, port); |
| 519 | } else { |
| 520 | srManager.defaultRoutingHandler.populateDoubleTaggedRoute( |
| 521 | deviceId, ip.toIpPrefix(), mac, innerVlan, outerVlan, outerTpid, port); |
| 522 | } |
| 523 | } |
Jonghwan Hyun | 42fe105 | 2017-08-25 17:48:36 -0700 | [diff] [blame] | 524 | |
| 525 | /** |
| 526 | * Update forwarding objective for unicast bridging and unicast routing. |
| 527 | * Also check the validity of updated interface configuration on VLAN. |
| 528 | * |
| 529 | * @param deviceId device ID that host attaches to |
| 530 | * @param portNum port number that host attaches to |
| 531 | * @param vlanId Vlan ID configured on the switch port |
| 532 | * @param popVlan true to pop Vlan tag at TrafficTreatment, false otherwise |
| 533 | * @param install true to populate the objective, false to revoke |
| 534 | */ |
| 535 | void processIntfVlanUpdatedEvent(DeviceId deviceId, PortNumber portNum, VlanId vlanId, |
| 536 | boolean popVlan, boolean install) { |
| 537 | ConnectPoint connectPoint = new ConnectPoint(deviceId, portNum); |
| 538 | Set<Host> hosts = hostService.getConnectedHosts(connectPoint); |
| 539 | |
| 540 | if (hosts == null || hosts.size() == 0) { |
Charles Chan | 10b2fee | 2018-04-21 00:44:29 -0700 | [diff] [blame] | 541 | log.debug("processIntfVlanUpdatedEvent: No hosts connected to {}", connectPoint); |
Jonghwan Hyun | 42fe105 | 2017-08-25 17:48:36 -0700 | [diff] [blame] | 542 | return; |
| 543 | } |
| 544 | |
| 545 | hosts.forEach(host -> { |
| 546 | MacAddress mac = host.mac(); |
| 547 | VlanId hostVlanId = host.vlan(); |
| 548 | |
| 549 | // Check whether the host vlan is valid for new interface configuration |
| 550 | if ((!popVlan && hostVlanId.equals(vlanId)) || |
| 551 | (popVlan && hostVlanId.equals(VlanId.NONE))) { |
Charles Chan | 2ff1bac | 2018-03-29 16:03:41 -0700 | [diff] [blame] | 552 | srManager.defaultRoutingHandler.updateBridging(deviceId, portNum, mac, vlanId, popVlan, install); |
Jonghwan Hyun | 42fe105 | 2017-08-25 17:48:36 -0700 | [diff] [blame] | 553 | // Update Forwarding objective and corresponding simple Next objective |
| 554 | // for each host and IP address connected to given port |
| 555 | host.ipAddresses().forEach(ipAddress -> |
Charles Chan | 2ff1bac | 2018-03-29 16:03:41 -0700 | [diff] [blame] | 556 | srManager.defaultRoutingHandler.updateFwdObj(deviceId, portNum, ipAddress.toIpPrefix(), |
Jonghwan Hyun | 42fe105 | 2017-08-25 17:48:36 -0700 | [diff] [blame] | 557 | mac, vlanId, popVlan, install) |
| 558 | ); |
| 559 | } |
| 560 | }); |
| 561 | } |
| 562 | |
| 563 | /** |
| 564 | * Populate or revoke routing rule for each host, according to the updated |
| 565 | * subnet configuration on the interface. |
| 566 | * @param cp connect point of the updated interface |
| 567 | * @param ipPrefixSet IP Prefixes added or removed |
| 568 | * @param install true if IP Prefixes added, false otherwise |
| 569 | */ |
| 570 | void processIntfIpUpdatedEvent(ConnectPoint cp, Set<IpPrefix> ipPrefixSet, boolean install) { |
| 571 | Set<Host> hosts = hostService.getConnectedHosts(cp); |
| 572 | |
| 573 | if (hosts == null || hosts.size() == 0) { |
Charles Chan | 10b2fee | 2018-04-21 00:44:29 -0700 | [diff] [blame] | 574 | log.debug("processIntfIpUpdatedEvent: No hosts connected to {}", cp); |
Jonghwan Hyun | 42fe105 | 2017-08-25 17:48:36 -0700 | [diff] [blame] | 575 | return; |
| 576 | } |
| 577 | |
| 578 | // Check whether the host IP address is in the interface's subnet |
| 579 | hosts.forEach(host -> |
| 580 | host.ipAddresses().forEach(hostIpAddress -> { |
| 581 | ipPrefixSet.forEach(ipPrefix -> { |
| 582 | if (install && ipPrefix.contains(hostIpAddress)) { |
Charles Chan | 2ff1bac | 2018-03-29 16:03:41 -0700 | [diff] [blame] | 583 | srManager.defaultRoutingHandler.populateRoute(cp.deviceId(), hostIpAddress.toIpPrefix(), |
Jonghwan Hyun | 42fe105 | 2017-08-25 17:48:36 -0700 | [diff] [blame] | 584 | host.mac(), host.vlan(), cp.port()); |
| 585 | } else if (!install && ipPrefix.contains(hostIpAddress)) { |
Charles Chan | 2ff1bac | 2018-03-29 16:03:41 -0700 | [diff] [blame] | 586 | srManager.defaultRoutingHandler.revokeRoute(cp.deviceId(), hostIpAddress.toIpPrefix(), |
Jonghwan Hyun | 42fe105 | 2017-08-25 17:48:36 -0700 | [diff] [blame] | 587 | host.mac(), host.vlan(), cp.port()); |
| 588 | } |
| 589 | }); |
| 590 | })); |
| 591 | } |
Saurav Das | 45f4815 | 2018-01-18 12:07:33 -0800 | [diff] [blame] | 592 | |
| 593 | /** |
| 594 | * Returns the set of portnumbers on the given device that are part of the |
| 595 | * locations for dual-homed hosts. |
| 596 | * |
| 597 | * @param deviceId the given deviceId |
| 598 | * @return set of port numbers on given device that are dual-homed host |
| 599 | * locations. May be empty if no dual homed hosts are connected to |
| 600 | * the given device |
| 601 | */ |
| 602 | Set<PortNumber> getDualHomedHostPorts(DeviceId deviceId) { |
| 603 | Set<PortNumber> dualHomedLocations = new HashSet<>(); |
| 604 | srManager.hostService.getConnectedHosts(deviceId).stream() |
| 605 | .filter(host -> host.locations().size() == 2) |
| 606 | .forEach(host -> host.locations().stream() |
| 607 | .filter(loc -> loc.deviceId().equals(deviceId)) |
| 608 | .forEach(loc -> dualHomedLocations.add(loc.port()))); |
| 609 | return dualHomedLocations; |
| 610 | } |
Jonghwan Hyun | 800d9d0 | 2018-04-09 09:40:50 -0700 | [diff] [blame] | 611 | |
| 612 | /** |
| 613 | * Checks if the given host is double-tagged or not. |
| 614 | * |
| 615 | * @param host host to check |
| 616 | * @return true if it is double-tagged, false otherwise |
| 617 | */ |
| 618 | private boolean isDoubleTaggedHost(Host host) { |
| 619 | return !host.innerVlan().equals(VlanId.NONE); |
| 620 | } |
| 621 | |
Charles Chan | d299036 | 2016-04-18 13:44:03 -0700 | [diff] [blame] | 622 | } |