Thomas Vachuska | 781d18b | 2014-10-27 10:31:25 -0700 | [diff] [blame] | 1 | /* |
Ray Milkey | 34c9590 | 2015-04-15 09:47:53 -0700 | [diff] [blame] | 2 | * Copyright 2014-2015 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.provider.lldp.impl; |
alshabib | 7911a05 | 2014-10-16 17:49:37 -0700 | [diff] [blame] | 17 | |
Thomas Vachuska | 6f94ded | 2015-02-21 14:02:38 -0800 | [diff] [blame] | 18 | import com.google.common.collect.ImmutableMap; |
| 19 | import com.google.common.collect.ImmutableSet; |
Thomas Vachuska | e4ebac9 | 2015-09-10 11:39:05 -0700 | [diff] [blame] | 20 | import com.google.common.collect.Maps; |
alshabib | 7911a05 | 2014-10-16 17:49:37 -0700 | [diff] [blame] | 21 | import org.apache.felix.scr.annotations.Activate; |
| 22 | import org.apache.felix.scr.annotations.Component; |
| 23 | import org.apache.felix.scr.annotations.Deactivate; |
Yuta HIGUCHI | 4128938 | 2014-12-19 17:47:12 -0800 | [diff] [blame] | 24 | import org.apache.felix.scr.annotations.Modified; |
| 25 | import org.apache.felix.scr.annotations.Property; |
alshabib | 7911a05 | 2014-10-16 17:49:37 -0700 | [diff] [blame] | 26 | import org.apache.felix.scr.annotations.Reference; |
| 27 | import org.apache.felix.scr.annotations.ReferenceCardinality; |
Pavlin Radoslavov | d36a74b | 2015-01-09 11:59:07 -0800 | [diff] [blame] | 28 | import org.onlab.packet.Ethernet; |
Thomas Vachuska | 6519e6f | 2015-03-11 02:29:31 -0700 | [diff] [blame] | 29 | import org.onosproject.cfg.ComponentConfigService; |
HIGUCHI Yuta | 9a9edf8 | 2015-10-21 11:23:20 -0700 | [diff] [blame] | 30 | import org.onosproject.cluster.ClusterService; |
Pavlin Radoslavov | d36a74b | 2015-01-09 11:59:07 -0800 | [diff] [blame] | 31 | import org.onosproject.core.ApplicationId; |
| 32 | import org.onosproject.core.CoreService; |
Brian O'Connor | abafb50 | 2014-12-02 22:26:20 -0800 | [diff] [blame] | 33 | import org.onosproject.mastership.MastershipEvent; |
| 34 | import org.onosproject.mastership.MastershipListener; |
| 35 | import org.onosproject.mastership.MastershipService; |
| 36 | import org.onosproject.net.ConnectPoint; |
| 37 | import org.onosproject.net.Device; |
| 38 | import org.onosproject.net.DeviceId; |
Thomas Vachuska | e4ebac9 | 2015-09-10 11:39:05 -0700 | [diff] [blame] | 39 | import org.onosproject.net.LinkKey; |
Brian O'Connor | abafb50 | 2014-12-02 22:26:20 -0800 | [diff] [blame] | 40 | import org.onosproject.net.Port; |
HIGUCHI Yuta | 9a9edf8 | 2015-10-21 11:23:20 -0700 | [diff] [blame] | 41 | import org.onosproject.net.config.NetworkConfigRegistry; |
Brian O'Connor | abafb50 | 2014-12-02 22:26:20 -0800 | [diff] [blame] | 42 | import org.onosproject.net.device.DeviceEvent; |
| 43 | import org.onosproject.net.device.DeviceListener; |
| 44 | import org.onosproject.net.device.DeviceService; |
Pavlin Radoslavov | d36a74b | 2015-01-09 11:59:07 -0800 | [diff] [blame] | 45 | import org.onosproject.net.flow.DefaultTrafficSelector; |
Pavlin Radoslavov | d36a74b | 2015-01-09 11:59:07 -0800 | [diff] [blame] | 46 | import org.onosproject.net.flow.TrafficSelector; |
Thomas Vachuska | e4ebac9 | 2015-09-10 11:39:05 -0700 | [diff] [blame] | 47 | import org.onosproject.net.link.DefaultLinkDescription; |
Brian O'Connor | abafb50 | 2014-12-02 22:26:20 -0800 | [diff] [blame] | 48 | import org.onosproject.net.link.LinkProvider; |
| 49 | import org.onosproject.net.link.LinkProviderRegistry; |
| 50 | import org.onosproject.net.link.LinkProviderService; |
Thomas Vachuska | e4ebac9 | 2015-09-10 11:39:05 -0700 | [diff] [blame] | 51 | import org.onosproject.net.link.LinkService; |
Brian O'Connor | abafb50 | 2014-12-02 22:26:20 -0800 | [diff] [blame] | 52 | import org.onosproject.net.packet.PacketContext; |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 53 | import org.onosproject.net.packet.PacketPriority; |
Brian O'Connor | abafb50 | 2014-12-02 22:26:20 -0800 | [diff] [blame] | 54 | import org.onosproject.net.packet.PacketProcessor; |
| 55 | import org.onosproject.net.packet.PacketService; |
| 56 | import org.onosproject.net.provider.AbstractProvider; |
| 57 | import org.onosproject.net.provider.ProviderId; |
Yuta HIGUCHI | 4128938 | 2014-12-19 17:47:12 -0800 | [diff] [blame] | 58 | import org.osgi.service.component.ComponentContext; |
alshabib | 7911a05 | 2014-10-16 17:49:37 -0700 | [diff] [blame] | 59 | import org.slf4j.Logger; |
| 60 | |
Thomas Vachuska | 6f94ded | 2015-02-21 14:02:38 -0800 | [diff] [blame] | 61 | import java.io.IOException; |
| 62 | import java.util.Dictionary; |
| 63 | import java.util.EnumSet; |
| 64 | import java.util.Map; |
HIGUCHI Yuta | 9a9edf8 | 2015-10-21 11:23:20 -0700 | [diff] [blame] | 65 | import java.util.Optional; |
Thomas Vachuska | 05453c9 | 2015-09-09 14:40:49 -0700 | [diff] [blame] | 66 | import java.util.Properties; |
Thomas Vachuska | 6f94ded | 2015-02-21 14:02:38 -0800 | [diff] [blame] | 67 | import java.util.concurrent.ConcurrentHashMap; |
| 68 | import java.util.concurrent.ScheduledExecutorService; |
| 69 | |
Thomas Vachuska | 05453c9 | 2015-09-09 14:40:49 -0700 | [diff] [blame] | 70 | import static com.google.common.base.Strings.isNullOrEmpty; |
Thomas Vachuska | 6f94ded | 2015-02-21 14:02:38 -0800 | [diff] [blame] | 71 | import static java.util.concurrent.Executors.newSingleThreadScheduledExecutor; |
| 72 | import static java.util.concurrent.TimeUnit.SECONDS; |
Thomas Vachuska | 347cc87 | 2015-09-23 10:25:29 -0700 | [diff] [blame] | 73 | import static org.onlab.packet.Ethernet.TYPE_BSN; |
| 74 | import static org.onlab.packet.Ethernet.TYPE_LLDP; |
Thomas Vachuska | 6519e6f | 2015-03-11 02:29:31 -0700 | [diff] [blame] | 75 | import static org.onlab.util.Tools.get; |
Thomas Vachuska | 6f94ded | 2015-02-21 14:02:38 -0800 | [diff] [blame] | 76 | import static org.onlab.util.Tools.groupedThreads; |
Thomas Vachuska | e4ebac9 | 2015-09-10 11:39:05 -0700 | [diff] [blame] | 77 | import static org.onosproject.net.Link.Type.DIRECT; |
Thomas Vachuska | 6f94ded | 2015-02-21 14:02:38 -0800 | [diff] [blame] | 78 | import static org.slf4j.LoggerFactory.getLogger; |
Yuta HIGUCHI | 4128938 | 2014-12-19 17:47:12 -0800 | [diff] [blame] | 79 | |
alshabib | 7911a05 | 2014-10-16 17:49:37 -0700 | [diff] [blame] | 80 | /** |
Thomas Vachuska | 05453c9 | 2015-09-09 14:40:49 -0700 | [diff] [blame] | 81 | * Provider which uses LLDP and BDDP packets to detect network infrastructure links. |
alshabib | 7911a05 | 2014-10-16 17:49:37 -0700 | [diff] [blame] | 82 | */ |
| 83 | @Component(immediate = true) |
Jonathan Hart | b35540a | 2015-11-17 09:30:56 -0800 | [diff] [blame^] | 84 | public class LldpLinkProvider extends AbstractProvider implements LinkProvider { |
alshabib | 7911a05 | 2014-10-16 17:49:37 -0700 | [diff] [blame] | 85 | |
Thomas Vachuska | fc52fec | 2015-05-18 19:13:56 -0700 | [diff] [blame] | 86 | private static final String PROVIDER_NAME = "org.onosproject.provider.lldp"; |
| 87 | |
Thomas Vachuska | 05453c9 | 2015-09-09 14:40:49 -0700 | [diff] [blame] | 88 | private static final String FORMAT = |
| 89 | "Settings: enabled={}, useBDDP={}, probeRate={}, " + |
| 90 | "staleLinkAge={}, lldpSuppression={}"; |
Yuta HIGUCHI | 4128938 | 2014-12-19 17:47:12 -0800 | [diff] [blame] | 91 | |
HIGUCHI Yuta | 9a9edf8 | 2015-10-21 11:23:20 -0700 | [diff] [blame] | 92 | // When a Device/Port has this annotation, do not send out LLDP/BDDP |
| 93 | public static final String NO_LLDP = "no-lldp"; |
| 94 | |
| 95 | |
alshabib | 7911a05 | 2014-10-16 17:49:37 -0700 | [diff] [blame] | 96 | private final Logger log = getLogger(getClass()); |
| 97 | |
Pavlin Radoslavov | d36a74b | 2015-01-09 11:59:07 -0800 | [diff] [blame] | 98 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 99 | protected CoreService coreService; |
| 100 | |
| 101 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
alshabib | 7911a05 | 2014-10-16 17:49:37 -0700 | [diff] [blame] | 102 | protected LinkProviderRegistry providerRegistry; |
| 103 | |
| 104 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 105 | protected DeviceService deviceService; |
| 106 | |
| 107 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
Thomas Vachuska | e4ebac9 | 2015-09-10 11:39:05 -0700 | [diff] [blame] | 108 | protected LinkService linkService; |
| 109 | |
| 110 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
Marc De Leenheer | 8b3e80b | 2015-03-06 14:27:03 -0800 | [diff] [blame] | 111 | protected PacketService packetService; |
alshabib | 7911a05 | 2014-10-16 17:49:37 -0700 | [diff] [blame] | 112 | |
alshabib | 875d626 | 2014-10-17 16:19:40 -0700 | [diff] [blame] | 113 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 114 | protected MastershipService masterService; |
| 115 | |
Thomas Vachuska | 6519e6f | 2015-03-11 02:29:31 -0700 | [diff] [blame] | 116 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 117 | protected ComponentConfigService cfgService; |
| 118 | |
HIGUCHI Yuta | 9a9edf8 | 2015-10-21 11:23:20 -0700 | [diff] [blame] | 119 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 120 | protected ClusterService clusterService; |
| 121 | |
| 122 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 123 | protected NetworkConfigRegistry cfgRegistry; |
| 124 | |
alshabib | 7911a05 | 2014-10-16 17:49:37 -0700 | [diff] [blame] | 125 | private LinkProviderService providerService; |
| 126 | |
Ayaka Koshibe | ccfa94c | 2014-11-20 11:15:52 -0800 | [diff] [blame] | 127 | private ScheduledExecutorService executor; |
| 128 | |
Thomas Vachuska | e4ebac9 | 2015-09-10 11:39:05 -0700 | [diff] [blame] | 129 | // TODO: Add sanity checking for the configurable params based on the delays |
| 130 | private static final long DEVICE_SYNC_DELAY = 5; |
| 131 | private static final long LINK_PRUNER_DELAY = 3; |
Thomas Vachuska | 05453c9 | 2015-09-09 14:40:49 -0700 | [diff] [blame] | 132 | |
| 133 | private static final String PROP_ENABLED = "enabled"; |
| 134 | @Property(name = PROP_ENABLED, boolValue = true, |
| 135 | label = "If false, link discovery is disabled") |
| 136 | private boolean enabled = false; |
| 137 | |
| 138 | private static final String PROP_USE_BDDP = "useBDDP"; |
Thomas Vachuska | 6519e6f | 2015-03-11 02:29:31 -0700 | [diff] [blame] | 139 | @Property(name = PROP_USE_BDDP, boolValue = true, |
| 140 | label = "Use BDDP for link discovery") |
Jonathan Hart | b35540a | 2015-11-17 09:30:56 -0800 | [diff] [blame^] | 141 | private boolean useBddp = true; |
alshabib | 7911a05 | 2014-10-16 17:49:37 -0700 | [diff] [blame] | 142 | |
Thomas Vachuska | 05453c9 | 2015-09-09 14:40:49 -0700 | [diff] [blame] | 143 | private static final String PROP_PROBE_RATE = "probeRate"; |
| 144 | private static final int DEFAULT_PROBE_RATE = 3_000; |
| 145 | @Property(name = PROP_PROBE_RATE, intValue = DEFAULT_PROBE_RATE, |
| 146 | label = "LLDP and BDDP probe rate specified in millis") |
| 147 | private int probeRate = DEFAULT_PROBE_RATE; |
Saurav Das | c313c40 | 2015-02-27 10:09:47 -0800 | [diff] [blame] | 148 | |
Thomas Vachuska | 05453c9 | 2015-09-09 14:40:49 -0700 | [diff] [blame] | 149 | private static final String PROP_STALE_LINK_AGE = "staleLinkAge"; |
| 150 | private static final int DEFAULT_STALE_LINK_AGE = 10_000; |
| 151 | @Property(name = PROP_STALE_LINK_AGE, intValue = DEFAULT_STALE_LINK_AGE, |
| 152 | label = "Number of millis beyond which links will be considered stale") |
| 153 | private int staleLinkAge = DEFAULT_STALE_LINK_AGE; |
alshabib | 7911a05 | 2014-10-16 17:49:37 -0700 | [diff] [blame] | 154 | |
Thomas Vachuska | 05453c9 | 2015-09-09 14:40:49 -0700 | [diff] [blame] | 155 | // FIXME: convert to use network config subsystem instead |
| 156 | private static final String PROP_LLDP_SUPPRESSION = "lldpSuppression"; |
| 157 | private static final String DEFAULT_LLDP_SUPPRESSION_CONFIG = "../config/lldp_suppression.json"; |
Thomas Vachuska | 6519e6f | 2015-03-11 02:29:31 -0700 | [diff] [blame] | 158 | @Property(name = PROP_LLDP_SUPPRESSION, value = DEFAULT_LLDP_SUPPRESSION_CONFIG, |
Yuta HIGUCHI | 4128938 | 2014-12-19 17:47:12 -0800 | [diff] [blame] | 159 | label = "Path to LLDP suppression configuration file") |
Thomas Vachuska | 6519e6f | 2015-03-11 02:29:31 -0700 | [diff] [blame] | 160 | private String lldpSuppression = DEFAULT_LLDP_SUPPRESSION_CONFIG; |
Yuta HIGUCHI | 4128938 | 2014-12-19 17:47:12 -0800 | [diff] [blame] | 161 | |
Thomas Vachuska | 05453c9 | 2015-09-09 14:40:49 -0700 | [diff] [blame] | 162 | private final DiscoveryContext context = new InternalDiscoveryContext(); |
Ayaka Koshibe | ccfa94c | 2014-11-20 11:15:52 -0800 | [diff] [blame] | 163 | private final InternalRoleListener roleListener = new InternalRoleListener(); |
Thomas Vachuska | e4ebac9 | 2015-09-10 11:39:05 -0700 | [diff] [blame] | 164 | private final InternalDeviceListener deviceListener = new InternalDeviceListener(); |
| 165 | private final InternalPacketProcessor packetProcessor = new InternalPacketProcessor(); |
Ayaka Koshibe | ccfa94c | 2014-11-20 11:15:52 -0800 | [diff] [blame] | 166 | |
Thomas Vachuska | e4ebac9 | 2015-09-10 11:39:05 -0700 | [diff] [blame] | 167 | // Device link discovery helpers. |
alshabib | 7911a05 | 2014-10-16 17:49:37 -0700 | [diff] [blame] | 168 | protected final Map<DeviceId, LinkDiscovery> discoverers = new ConcurrentHashMap<>(); |
| 169 | |
Thomas Vachuska | e4ebac9 | 2015-09-10 11:39:05 -0700 | [diff] [blame] | 170 | // Most recent time a tracked link was seen; links are tracked if their |
| 171 | // destination connection point is mastered by this controller instance. |
| 172 | private final Map<LinkKey, Long> linkTimes = Maps.newConcurrentMap(); |
| 173 | |
Yuta HIGUCHI | 4128938 | 2014-12-19 17:47:12 -0800 | [diff] [blame] | 174 | private SuppressionRules rules; |
Pavlin Radoslavov | d36a74b | 2015-01-09 11:59:07 -0800 | [diff] [blame] | 175 | private ApplicationId appId; |
Yuta HIGUCHI | 4128938 | 2014-12-19 17:47:12 -0800 | [diff] [blame] | 176 | |
alshabib | 7911a05 | 2014-10-16 17:49:37 -0700 | [diff] [blame] | 177 | /** |
| 178 | * Creates an OpenFlow link provider. |
| 179 | */ |
Jonathan Hart | b35540a | 2015-11-17 09:30:56 -0800 | [diff] [blame^] | 180 | public LldpLinkProvider() { |
Thomas Vachuska | fc52fec | 2015-05-18 19:13:56 -0700 | [diff] [blame] | 181 | super(new ProviderId("lldp", PROVIDER_NAME)); |
alshabib | 7911a05 | 2014-10-16 17:49:37 -0700 | [diff] [blame] | 182 | } |
| 183 | |
| 184 | @Activate |
Saurav Das | c313c40 | 2015-02-27 10:09:47 -0800 | [diff] [blame] | 185 | public void activate(ComponentContext context) { |
Thomas Vachuska | 6519e6f | 2015-03-11 02:29:31 -0700 | [diff] [blame] | 186 | cfgService.registerProperties(getClass()); |
Thomas Vachuska | fc52fec | 2015-05-18 19:13:56 -0700 | [diff] [blame] | 187 | appId = coreService.registerApplication(PROVIDER_NAME); |
Saurav Das | c313c40 | 2015-02-27 10:09:47 -0800 | [diff] [blame] | 188 | modified(context); |
Thomas Vachuska | 05453c9 | 2015-09-09 14:40:49 -0700 | [diff] [blame] | 189 | log.info("Started"); |
| 190 | } |
| 191 | |
| 192 | @Deactivate |
| 193 | public void deactivate() { |
| 194 | cfgService.unregisterProperties(getClass(), false); |
| 195 | disable(); |
| 196 | log.info("Stopped"); |
| 197 | } |
| 198 | |
| 199 | @Modified |
| 200 | public void modified(ComponentContext context) { |
| 201 | Dictionary<?, ?> properties = context != null ? context.getProperties() : new Properties(); |
| 202 | |
| 203 | boolean newEnabled, newUseBddp; |
| 204 | int newProbeRate, newStaleLinkAge; |
| 205 | String newLldpSuppression; |
| 206 | try { |
| 207 | String s = get(properties, PROP_ENABLED); |
| 208 | newEnabled = isNullOrEmpty(s) || Boolean.parseBoolean(s.trim()); |
| 209 | |
| 210 | s = get(properties, PROP_USE_BDDP); |
| 211 | newUseBddp = isNullOrEmpty(s) || Boolean.parseBoolean(s.trim()); |
| 212 | |
| 213 | s = get(properties, PROP_PROBE_RATE); |
| 214 | newProbeRate = isNullOrEmpty(s) ? probeRate : Integer.parseInt(s.trim()); |
| 215 | |
| 216 | s = get(properties, PROP_STALE_LINK_AGE); |
| 217 | newStaleLinkAge = isNullOrEmpty(s) ? staleLinkAge : Integer.parseInt(s.trim()); |
| 218 | |
| 219 | s = get(properties, PROP_LLDP_SUPPRESSION); |
| 220 | newLldpSuppression = isNullOrEmpty(s) ? DEFAULT_LLDP_SUPPRESSION_CONFIG : s; |
| 221 | |
| 222 | } catch (NumberFormatException e) { |
HIGUCHI Yuta | 9a9edf8 | 2015-10-21 11:23:20 -0700 | [diff] [blame] | 223 | log.warn("Component configuration had invalid values", e); |
Thomas Vachuska | 05453c9 | 2015-09-09 14:40:49 -0700 | [diff] [blame] | 224 | newEnabled = enabled; |
Jonathan Hart | b35540a | 2015-11-17 09:30:56 -0800 | [diff] [blame^] | 225 | newUseBddp = useBddp; |
Thomas Vachuska | 05453c9 | 2015-09-09 14:40:49 -0700 | [diff] [blame] | 226 | newProbeRate = probeRate; |
| 227 | newStaleLinkAge = staleLinkAge; |
| 228 | newLldpSuppression = lldpSuppression; |
Saurav Das | c313c40 | 2015-02-27 10:09:47 -0800 | [diff] [blame] | 229 | } |
Yuta HIGUCHI | 4128938 | 2014-12-19 17:47:12 -0800 | [diff] [blame] | 230 | |
Thomas Vachuska | 05453c9 | 2015-09-09 14:40:49 -0700 | [diff] [blame] | 231 | boolean wasEnabled = enabled; |
| 232 | |
| 233 | enabled = newEnabled; |
Jonathan Hart | b35540a | 2015-11-17 09:30:56 -0800 | [diff] [blame^] | 234 | useBddp = newUseBddp; |
Thomas Vachuska | 05453c9 | 2015-09-09 14:40:49 -0700 | [diff] [blame] | 235 | probeRate = newProbeRate; |
| 236 | staleLinkAge = newStaleLinkAge; |
| 237 | lldpSuppression = newLldpSuppression; |
| 238 | |
| 239 | if (!wasEnabled && enabled) { |
| 240 | enable(); |
| 241 | } else if (wasEnabled && !enabled) { |
| 242 | disable(); |
HIGUCHI Yuta | 9a9edf8 | 2015-10-21 11:23:20 -0700 | [diff] [blame] | 243 | } else { |
| 244 | // reflect changes in suppression rules to discovery helpers |
| 245 | // FIXME: After migrating to Network Configuration Subsystem, |
| 246 | // it should be possible to update only changed subset |
| 247 | if (enabled) { |
| 248 | // update all discovery helper state |
| 249 | loadDevices(); |
| 250 | } |
Thomas Vachuska | 05453c9 | 2015-09-09 14:40:49 -0700 | [diff] [blame] | 251 | } |
| 252 | |
Jonathan Hart | b35540a | 2015-11-17 09:30:56 -0800 | [diff] [blame^] | 253 | log.info(FORMAT, enabled, useBddp, probeRate, staleLinkAge, lldpSuppression); |
Thomas Vachuska | 05453c9 | 2015-09-09 14:40:49 -0700 | [diff] [blame] | 254 | } |
| 255 | |
Thomas Vachuska | e4ebac9 | 2015-09-10 11:39:05 -0700 | [diff] [blame] | 256 | /** |
| 257 | * Enables link discovery processing. |
| 258 | */ |
Thomas Vachuska | 05453c9 | 2015-09-09 14:40:49 -0700 | [diff] [blame] | 259 | private void enable() { |
alshabib | 7911a05 | 2014-10-16 17:49:37 -0700 | [diff] [blame] | 260 | providerService = providerRegistry.register(this); |
Ayaka Koshibe | ccfa94c | 2014-11-20 11:15:52 -0800 | [diff] [blame] | 261 | masterService.addListener(roleListener); |
Thomas Vachuska | e4ebac9 | 2015-09-10 11:39:05 -0700 | [diff] [blame] | 262 | deviceService.addListener(deviceListener); |
| 263 | packetService.addProcessor(packetProcessor, PacketProcessor.advisor(0)); |
Ayaka Koshibe | ccfa94c | 2014-11-20 11:15:52 -0800 | [diff] [blame] | 264 | |
Jon Hall | 3edc08a | 2015-09-14 16:59:07 -0700 | [diff] [blame] | 265 | loadSuppressionRules(); |
Thomas Vachuska | e4ebac9 | 2015-09-10 11:39:05 -0700 | [diff] [blame] | 266 | loadDevices(); |
Thomas Vachuska | 05453c9 | 2015-09-09 14:40:49 -0700 | [diff] [blame] | 267 | |
Thomas Vachuska | e4ebac9 | 2015-09-10 11:39:05 -0700 | [diff] [blame] | 268 | executor = newSingleThreadScheduledExecutor(groupedThreads("onos/link", "discovery-%d")); |
| 269 | executor.scheduleAtFixedRate(new SyncDeviceInfoTask(), |
| 270 | DEVICE_SYNC_DELAY, DEVICE_SYNC_DELAY, SECONDS); |
| 271 | executor.scheduleAtFixedRate(new LinkPrunerTask(), |
| 272 | LINK_PRUNER_DELAY, LINK_PRUNER_DELAY, SECONDS); |
Thomas Vachuska | 05453c9 | 2015-09-09 14:40:49 -0700 | [diff] [blame] | 273 | |
Thomas Vachuska | 05453c9 | 2015-09-09 14:40:49 -0700 | [diff] [blame] | 274 | requestIntercepts(); |
| 275 | } |
| 276 | |
Thomas Vachuska | e4ebac9 | 2015-09-10 11:39:05 -0700 | [diff] [blame] | 277 | /** |
| 278 | * Disables link discovery processing. |
| 279 | */ |
Thomas Vachuska | 05453c9 | 2015-09-09 14:40:49 -0700 | [diff] [blame] | 280 | private void disable() { |
| 281 | withdrawIntercepts(); |
| 282 | |
| 283 | providerRegistry.unregister(this); |
Thomas Vachuska | 05453c9 | 2015-09-09 14:40:49 -0700 | [diff] [blame] | 284 | masterService.removeListener(roleListener); |
Thomas Vachuska | e4ebac9 | 2015-09-10 11:39:05 -0700 | [diff] [blame] | 285 | deviceService.removeListener(deviceListener); |
| 286 | packetService.removeProcessor(packetProcessor); |
Thomas Vachuska | 05453c9 | 2015-09-09 14:40:49 -0700 | [diff] [blame] | 287 | |
| 288 | if (executor != null) { |
| 289 | executor.shutdownNow(); |
| 290 | } |
| 291 | discoverers.values().forEach(LinkDiscovery::stop); |
| 292 | discoverers.clear(); |
| 293 | |
| 294 | providerService = null; |
| 295 | } |
| 296 | |
Thomas Vachuska | e4ebac9 | 2015-09-10 11:39:05 -0700 | [diff] [blame] | 297 | /** |
| 298 | * Loads available devices and registers their ports to be probed. |
| 299 | */ |
| 300 | private void loadDevices() { |
HIGUCHI Yuta | 9a9edf8 | 2015-10-21 11:23:20 -0700 | [diff] [blame] | 301 | deviceService.getAvailableDevices() |
| 302 | .forEach(d -> updateDevice(d) |
| 303 | .ifPresent(ld -> updatePorts(ld, d.id()))); |
| 304 | } |
| 305 | |
| 306 | /** |
| 307 | * Updates discovery helper for specified device. |
| 308 | * |
| 309 | * Adds and starts a discovery helper for specified device if enabled, |
| 310 | * calls {@link #removeDevice(DeviceId)} otherwise. |
| 311 | * |
| 312 | * @param device device to add |
| 313 | * @return discovery helper if discovery is enabled for the device |
| 314 | */ |
| 315 | private Optional<LinkDiscovery> updateDevice(Device device) { |
| 316 | if (rules.isSuppressed(device)) { |
| 317 | log.trace("LinkDiscovery from {} disabled by configuration", device.id()); |
| 318 | removeDevice(device.id()); |
| 319 | return Optional.empty(); |
| 320 | } |
| 321 | LinkDiscovery ld = discoverers.computeIfAbsent(device.id(), |
| 322 | did -> new LinkDiscovery(device, context)); |
| 323 | if (ld.isStopped()) { |
| 324 | ld.start(); |
| 325 | } |
| 326 | return Optional.of(ld); |
| 327 | } |
| 328 | |
| 329 | /** |
| 330 | * Removes after stopping discovery helper for specified device. |
| 331 | * @param deviceId device to remove |
| 332 | */ |
| 333 | private void removeDevice(final DeviceId deviceId) { |
| 334 | discoverers.computeIfPresent(deviceId, (did, ld) -> { |
| 335 | ld.stop(); |
| 336 | providerService.linksVanished(deviceId); |
| 337 | return null; |
| 338 | }); |
| 339 | |
| 340 | } |
| 341 | |
| 342 | /** |
| 343 | * Updates ports of the specified device to the specified discovery helper. |
| 344 | */ |
| 345 | private void updatePorts(LinkDiscovery discoverer, DeviceId deviceId) { |
| 346 | deviceService.getPorts(deviceId).forEach(p -> updatePort(discoverer, p)); |
| 347 | } |
| 348 | |
| 349 | /** |
| 350 | * Updates discovery helper state of the specified port. |
| 351 | * |
| 352 | * Adds a port to the discovery helper if up and discovery is enabled, |
| 353 | * or calls {@link #removePort(Port)} otherwise. |
| 354 | */ |
| 355 | private void updatePort(LinkDiscovery discoverer, Port port) { |
| 356 | if (rules.isSuppressed(port)) { |
| 357 | log.trace("LinkDiscovery from {} disabled by configuration", port); |
| 358 | removePort(port); |
| 359 | return; |
| 360 | } |
| 361 | |
| 362 | // check if enabled and turn off discovery? |
| 363 | if (!port.isEnabled()) { |
| 364 | removePort(port); |
| 365 | return; |
| 366 | } |
| 367 | |
| 368 | if (!port.number().isLogical()) { |
| 369 | discoverer.addPort(port); |
alshabib | dfc7afb | 2014-10-21 20:13:27 -0700 | [diff] [blame] | 370 | } |
alshabib | 7911a05 | 2014-10-16 17:49:37 -0700 | [diff] [blame] | 371 | } |
| 372 | |
Thomas Vachuska | e4ebac9 | 2015-09-10 11:39:05 -0700 | [diff] [blame] | 373 | /** |
HIGUCHI Yuta | 9a9edf8 | 2015-10-21 11:23:20 -0700 | [diff] [blame] | 374 | * Removes a port from the specified discovery helper. |
| 375 | * @param port the port |
Thomas Vachuska | e4ebac9 | 2015-09-10 11:39:05 -0700 | [diff] [blame] | 376 | */ |
HIGUCHI Yuta | 9a9edf8 | 2015-10-21 11:23:20 -0700 | [diff] [blame] | 377 | private void removePort(Port port) { |
| 378 | if (port.element() instanceof Device) { |
| 379 | Device d = (Device) port.element(); |
| 380 | LinkDiscovery ld = discoverers.get(d.id()); |
| 381 | if (ld != null) { |
| 382 | ld.removePort(port.number()); |
Jonathan Hart | 45066bc | 2015-07-28 11:18:34 -0700 | [diff] [blame] | 383 | } |
HIGUCHI Yuta | 9a9edf8 | 2015-10-21 11:23:20 -0700 | [diff] [blame] | 384 | |
| 385 | ConnectPoint point = new ConnectPoint(d.id(), port.number()); |
| 386 | providerService.linksVanished(point); |
| 387 | } else { |
| 388 | log.warn("Attempted to remove non-Device port", port); |
Jonathan Hart | 45066bc | 2015-07-28 11:18:34 -0700 | [diff] [blame] | 389 | } |
| 390 | } |
| 391 | |
Thomas Vachuska | e4ebac9 | 2015-09-10 11:39:05 -0700 | [diff] [blame] | 392 | /** |
| 393 | * Loads LLDP suppression rules. |
| 394 | */ |
Yuta HIGUCHI | 4128938 | 2014-12-19 17:47:12 -0800 | [diff] [blame] | 395 | private void loadSuppressionRules() { |
Thomas Vachuska | e4ebac9 | 2015-09-10 11:39:05 -0700 | [diff] [blame] | 396 | // FIXME: convert to use network configuration |
Thomas Vachuska | 6519e6f | 2015-03-11 02:29:31 -0700 | [diff] [blame] | 397 | SuppressionRulesStore store = new SuppressionRulesStore(lldpSuppression); |
Yuta HIGUCHI | 4128938 | 2014-12-19 17:47:12 -0800 | [diff] [blame] | 398 | try { |
Thomas Vachuska | 6519e6f | 2015-03-11 02:29:31 -0700 | [diff] [blame] | 399 | log.info("Reading suppression rules from {}", lldpSuppression); |
Yuta HIGUCHI | 4128938 | 2014-12-19 17:47:12 -0800 | [diff] [blame] | 400 | rules = store.read(); |
| 401 | } catch (IOException e) { |
Thomas Vachuska | 6519e6f | 2015-03-11 02:29:31 -0700 | [diff] [blame] | 402 | log.info("Failed to load {}, using built-in rules", lldpSuppression); |
Yuta HIGUCHI | 4128938 | 2014-12-19 17:47:12 -0800 | [diff] [blame] | 403 | // default rule to suppress ROADM to maintain compatibility |
| 404 | rules = new SuppressionRules(ImmutableSet.of(), |
| 405 | EnumSet.of(Device.Type.ROADM), |
HIGUCHI Yuta | 9a9edf8 | 2015-10-21 11:23:20 -0700 | [diff] [blame] | 406 | ImmutableMap.of(NO_LLDP, SuppressionRules.ANY_VALUE)); |
Yuta HIGUCHI | 4128938 | 2014-12-19 17:47:12 -0800 | [diff] [blame] | 407 | } |
| 408 | |
| 409 | // should refresh discoverers when we need dynamic reconfiguration |
| 410 | } |
| 411 | |
Charles M.C. Chan | e148de8 | 2015-05-06 12:38:21 +0800 | [diff] [blame] | 412 | /** |
Thomas Vachuska | e4ebac9 | 2015-09-10 11:39:05 -0700 | [diff] [blame] | 413 | * Requests packet intercepts. |
Charles M.C. Chan | e148de8 | 2015-05-06 12:38:21 +0800 | [diff] [blame] | 414 | */ |
Thomas Vachuska | 27bee09 | 2015-06-23 19:03:10 -0700 | [diff] [blame] | 415 | private void requestIntercepts() { |
| 416 | TrafficSelector.Builder selector = DefaultTrafficSelector.builder(); |
Thomas Vachuska | 347cc87 | 2015-09-23 10:25:29 -0700 | [diff] [blame] | 417 | selector.matchEthType(TYPE_LLDP); |
Thomas Vachuska | 27bee09 | 2015-06-23 19:03:10 -0700 | [diff] [blame] | 418 | packetService.requestPackets(selector.build(), PacketPriority.CONTROL, appId); |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 419 | |
Thomas Vachuska | 347cc87 | 2015-09-23 10:25:29 -0700 | [diff] [blame] | 420 | selector.matchEthType(TYPE_BSN); |
Jonathan Hart | b35540a | 2015-11-17 09:30:56 -0800 | [diff] [blame^] | 421 | if (useBddp) { |
Thomas Vachuska | 27bee09 | 2015-06-23 19:03:10 -0700 | [diff] [blame] | 422 | packetService.requestPackets(selector.build(), PacketPriority.CONTROL, appId); |
| 423 | } else { |
| 424 | packetService.cancelPackets(selector.build(), PacketPriority.CONTROL, appId); |
Pavlin Radoslavov | d36a74b | 2015-01-09 11:59:07 -0800 | [diff] [blame] | 425 | } |
| 426 | } |
| 427 | |
Thomas Vachuska | 27bee09 | 2015-06-23 19:03:10 -0700 | [diff] [blame] | 428 | /** |
Thomas Vachuska | e4ebac9 | 2015-09-10 11:39:05 -0700 | [diff] [blame] | 429 | * Withdraws packet intercepts. |
Thomas Vachuska | 27bee09 | 2015-06-23 19:03:10 -0700 | [diff] [blame] | 430 | */ |
| 431 | private void withdrawIntercepts() { |
| 432 | TrafficSelector.Builder selector = DefaultTrafficSelector.builder(); |
Thomas Vachuska | 347cc87 | 2015-09-23 10:25:29 -0700 | [diff] [blame] | 433 | selector.matchEthType(TYPE_LLDP); |
Thomas Vachuska | 27bee09 | 2015-06-23 19:03:10 -0700 | [diff] [blame] | 434 | packetService.cancelPackets(selector.build(), PacketPriority.CONTROL, appId); |
Thomas Vachuska | 347cc87 | 2015-09-23 10:25:29 -0700 | [diff] [blame] | 435 | selector.matchEthType(TYPE_BSN); |
Thomas Vachuska | 27bee09 | 2015-06-23 19:03:10 -0700 | [diff] [blame] | 436 | packetService.cancelPackets(selector.build(), PacketPriority.CONTROL, appId); |
| 437 | } |
| 438 | |
Thomas Vachuska | e4ebac9 | 2015-09-10 11:39:05 -0700 | [diff] [blame] | 439 | /** |
| 440 | * Processes device mastership role changes. |
| 441 | */ |
Ayaka Koshibe | ccfa94c | 2014-11-20 11:15:52 -0800 | [diff] [blame] | 442 | private class InternalRoleListener implements MastershipListener { |
Ayaka Koshibe | ccfa94c | 2014-11-20 11:15:52 -0800 | [diff] [blame] | 443 | @Override |
| 444 | public void event(MastershipEvent event) { |
Ayaka Koshibe | ccfa94c | 2014-11-20 11:15:52 -0800 | [diff] [blame] | 445 | if (MastershipEvent.Type.BACKUPS_CHANGED.equals(event.type())) { |
| 446 | // only need new master events |
| 447 | return; |
| 448 | } |
| 449 | |
| 450 | DeviceId deviceId = event.subject(); |
| 451 | Device device = deviceService.getDevice(deviceId); |
| 452 | if (device == null) { |
Thomas Vachuska | 3358af2 | 2015-05-19 18:40:34 -0700 | [diff] [blame] | 453 | log.debug("Device {} doesn't exist, or isn't there yet", deviceId); |
Ayaka Koshibe | ccfa94c | 2014-11-20 11:15:52 -0800 | [diff] [blame] | 454 | return; |
| 455 | } |
HIGUCHI Yuta | 9a9edf8 | 2015-10-21 11:23:20 -0700 | [diff] [blame] | 456 | if (clusterService.getLocalNode().id().equals(event.roleInfo().master())) { |
| 457 | updateDevice(device).ifPresent(ld -> updatePorts(ld, device.id())); |
Yuta HIGUCHI | 4128938 | 2014-12-19 17:47:12 -0800 | [diff] [blame] | 458 | } |
Ayaka Koshibe | ccfa94c | 2014-11-20 11:15:52 -0800 | [diff] [blame] | 459 | } |
| 460 | |
| 461 | } |
alshabib | 7911a05 | 2014-10-16 17:49:37 -0700 | [diff] [blame] | 462 | |
Thomas Vachuska | e4ebac9 | 2015-09-10 11:39:05 -0700 | [diff] [blame] | 463 | /** |
| 464 | * Processes device events. |
| 465 | */ |
| 466 | private class InternalDeviceListener implements DeviceListener { |
alshabib | 7911a05 | 2014-10-16 17:49:37 -0700 | [diff] [blame] | 467 | @Override |
| 468 | public void event(DeviceEvent event) { |
alshabib | 7911a05 | 2014-10-16 17:49:37 -0700 | [diff] [blame] | 469 | Device device = event.subject(); |
alshabib | acd9183 | 2014-10-17 14:38:41 -0700 | [diff] [blame] | 470 | Port port = event.port(); |
alshabib | dfc7afb | 2014-10-21 20:13:27 -0700 | [diff] [blame] | 471 | if (device == null) { |
| 472 | log.error("Device is null."); |
| 473 | return; |
| 474 | } |
Yuta HIGUCHI | eb24e9d | 2014-10-26 19:34:20 -0700 | [diff] [blame] | 475 | log.trace("{} {} {}", event.type(), event.subject(), event); |
Yuta HIGUCHI | d19f670 | 2014-10-31 15:23:25 -0700 | [diff] [blame] | 476 | final DeviceId deviceId = device.id(); |
alshabib | 7911a05 | 2014-10-16 17:49:37 -0700 | [diff] [blame] | 477 | switch (event.type()) { |
| 478 | case DEVICE_ADDED: |
Yuta HIGUCHI | eb24e9d | 2014-10-26 19:34:20 -0700 | [diff] [blame] | 479 | case DEVICE_UPDATED: |
HIGUCHI Yuta | 9a9edf8 | 2015-10-21 11:23:20 -0700 | [diff] [blame] | 480 | updateDevice(device).ifPresent(ld -> updatePorts(ld, deviceId)); |
alshabib | 7911a05 | 2014-10-16 17:49:37 -0700 | [diff] [blame] | 481 | break; |
| 482 | case PORT_ADDED: |
| 483 | case PORT_UPDATED: |
Yuta HIGUCHI | f672588 | 2014-10-29 15:25:51 -0700 | [diff] [blame] | 484 | if (port.isEnabled()) { |
HIGUCHI Yuta | 9a9edf8 | 2015-10-21 11:23:20 -0700 | [diff] [blame] | 485 | updateDevice(device).ifPresent(ld -> updatePort(ld, port)); |
alshabib | 7911a05 | 2014-10-16 17:49:37 -0700 | [diff] [blame] | 486 | } else { |
Yuta HIGUCHI | f672588 | 2014-10-29 15:25:51 -0700 | [diff] [blame] | 487 | log.debug("Port down {}", port); |
HIGUCHI Yuta | 9a9edf8 | 2015-10-21 11:23:20 -0700 | [diff] [blame] | 488 | removePort(port); |
alshabib | 7911a05 | 2014-10-16 17:49:37 -0700 | [diff] [blame] | 489 | } |
| 490 | break; |
| 491 | case PORT_REMOVED: |
Yuta HIGUCHI | eb24e9d | 2014-10-26 19:34:20 -0700 | [diff] [blame] | 492 | log.debug("Port removed {}", port); |
HIGUCHI Yuta | 9a9edf8 | 2015-10-21 11:23:20 -0700 | [diff] [blame] | 493 | removePort(port); |
alshabib | 7911a05 | 2014-10-16 17:49:37 -0700 | [diff] [blame] | 494 | break; |
| 495 | case DEVICE_REMOVED: |
| 496 | case DEVICE_SUSPENDED: |
Yuta HIGUCHI | d19f670 | 2014-10-31 15:23:25 -0700 | [diff] [blame] | 497 | log.debug("Device removed {}", deviceId); |
HIGUCHI Yuta | 9a9edf8 | 2015-10-21 11:23:20 -0700 | [diff] [blame] | 498 | removeDevice(deviceId); |
alshabib | 7911a05 | 2014-10-16 17:49:37 -0700 | [diff] [blame] | 499 | break; |
| 500 | case DEVICE_AVAILABILITY_CHANGED: |
Yuta HIGUCHI | d19f670 | 2014-10-31 15:23:25 -0700 | [diff] [blame] | 501 | if (deviceService.isAvailable(deviceId)) { |
| 502 | log.debug("Device up {}", deviceId); |
HIGUCHI Yuta | 9a9edf8 | 2015-10-21 11:23:20 -0700 | [diff] [blame] | 503 | updateDevice(device); |
alshabib | 7911a05 | 2014-10-16 17:49:37 -0700 | [diff] [blame] | 504 | } else { |
Yuta HIGUCHI | d19f670 | 2014-10-31 15:23:25 -0700 | [diff] [blame] | 505 | log.debug("Device down {}", deviceId); |
HIGUCHI Yuta | 9a9edf8 | 2015-10-21 11:23:20 -0700 | [diff] [blame] | 506 | removeDevice(deviceId); |
alshabib | 7911a05 | 2014-10-16 17:49:37 -0700 | [diff] [blame] | 507 | } |
| 508 | break; |
Jonathan Hart | 9de692c | 2015-04-23 11:45:47 -0700 | [diff] [blame] | 509 | case PORT_STATS_UPDATED: |
| 510 | break; |
alshabib | 7911a05 | 2014-10-16 17:49:37 -0700 | [diff] [blame] | 511 | default: |
| 512 | log.debug("Unknown event {}", event); |
| 513 | } |
| 514 | } |
Thomas Vachuska | e4ebac9 | 2015-09-10 11:39:05 -0700 | [diff] [blame] | 515 | } |
alshabib | 7911a05 | 2014-10-16 17:49:37 -0700 | [diff] [blame] | 516 | |
Thomas Vachuska | e4ebac9 | 2015-09-10 11:39:05 -0700 | [diff] [blame] | 517 | /** |
| 518 | * Processes incoming packets. |
| 519 | */ |
| 520 | private class InternalPacketProcessor implements PacketProcessor { |
alshabib | 7911a05 | 2014-10-16 17:49:37 -0700 | [diff] [blame] | 521 | @Override |
| 522 | public void process(PacketContext context) { |
Thomas Vachuska | 347cc87 | 2015-09-23 10:25:29 -0700 | [diff] [blame] | 523 | if (context == null || context.isHandled()) { |
alshabib | 4a179dc | 2014-10-17 17:17:01 -0700 | [diff] [blame] | 524 | return; |
| 525 | } |
Thomas Vachuska | 347cc87 | 2015-09-23 10:25:29 -0700 | [diff] [blame] | 526 | |
| 527 | Ethernet eth = context.inPacket().parsed(); |
| 528 | if (eth == null || (eth.getEtherType() != TYPE_LLDP && eth.getEtherType() != TYPE_BSN)) { |
| 529 | return; |
| 530 | } |
| 531 | |
Thomas Vachuska | 96f3ea7 | 2015-09-08 13:50:12 -0700 | [diff] [blame] | 532 | LinkDiscovery ld = discoverers.get(context.inPacket().receivedFrom().deviceId()); |
alshabib | 7911a05 | 2014-10-16 17:49:37 -0700 | [diff] [blame] | 533 | if (ld == null) { |
| 534 | return; |
| 535 | } |
| 536 | |
Jonathan Hart | b35540a | 2015-11-17 09:30:56 -0800 | [diff] [blame^] | 537 | if (ld.handleLldp(context)) { |
alshabib | 7911a05 | 2014-10-16 17:49:37 -0700 | [diff] [blame] | 538 | context.block(); |
| 539 | } |
| 540 | } |
| 541 | } |
| 542 | |
Thomas Vachuska | e4ebac9 | 2015-09-10 11:39:05 -0700 | [diff] [blame] | 543 | /** |
| 544 | * Auxiliary task to keep device ports up to date. |
| 545 | */ |
Ayaka Koshibe | ccfa94c | 2014-11-20 11:15:52 -0800 | [diff] [blame] | 546 | private final class SyncDeviceInfoTask implements Runnable { |
Ayaka Koshibe | ccfa94c | 2014-11-20 11:15:52 -0800 | [diff] [blame] | 547 | @Override |
| 548 | public void run() { |
| 549 | if (Thread.currentThread().isInterrupted()) { |
| 550 | log.info("Interrupted, quitting"); |
| 551 | return; |
| 552 | } |
| 553 | // check what deviceService sees, to see if we are missing anything |
| 554 | try { |
HIGUCHI Yuta | 9a9edf8 | 2015-10-21 11:23:20 -0700 | [diff] [blame] | 555 | loadDevices(); |
Ayaka Koshibe | ccfa94c | 2014-11-20 11:15:52 -0800 | [diff] [blame] | 556 | } catch (Exception e) { |
Thomas Vachuska | e4ebac9 | 2015-09-10 11:39:05 -0700 | [diff] [blame] | 557 | // Catch all exceptions to avoid task being suppressed |
Ayaka Koshibe | ccfa94c | 2014-11-20 11:15:52 -0800 | [diff] [blame] | 558 | log.error("Exception thrown during synchronization process", e); |
| 559 | } |
| 560 | } |
| 561 | } |
| 562 | |
Thomas Vachuska | e4ebac9 | 2015-09-10 11:39:05 -0700 | [diff] [blame] | 563 | /** |
| 564 | * Auxiliary task for pruning stale links. |
| 565 | */ |
| 566 | private class LinkPrunerTask implements Runnable { |
| 567 | @Override |
| 568 | public void run() { |
| 569 | if (Thread.currentThread().isInterrupted()) { |
| 570 | log.info("Interrupted, quitting"); |
| 571 | return; |
| 572 | } |
| 573 | |
| 574 | try { |
| 575 | // TODO: There is still a slight possibility of mastership |
| 576 | // change occurring right with link going stale. This will |
| 577 | // result in the stale link not being pruned. |
| 578 | Maps.filterEntries(linkTimes, e -> { |
| 579 | if (!masterService.isLocalMaster(e.getKey().dst().deviceId())) { |
| 580 | return true; |
| 581 | } |
| 582 | if (isStale(e.getValue())) { |
| 583 | providerService.linkVanished(new DefaultLinkDescription(e.getKey().src(), |
| 584 | e.getKey().dst(), |
| 585 | DIRECT)); |
| 586 | return true; |
| 587 | } |
| 588 | return false; |
| 589 | }).clear(); |
| 590 | |
| 591 | } catch (Exception e) { |
| 592 | // Catch all exceptions to avoid task being suppressed |
| 593 | log.error("Exception thrown during link pruning process", e); |
| 594 | } |
| 595 | } |
| 596 | |
| 597 | private boolean isStale(long lastSeen) { |
| 598 | return lastSeen < System.currentTimeMillis() - staleLinkAge; |
| 599 | } |
| 600 | } |
| 601 | |
| 602 | /** |
| 603 | * Provides processing context for the device link discovery helpers. |
| 604 | */ |
Thomas Vachuska | 05453c9 | 2015-09-09 14:40:49 -0700 | [diff] [blame] | 605 | private class InternalDiscoveryContext implements DiscoveryContext { |
| 606 | @Override |
| 607 | public MastershipService mastershipService() { |
| 608 | return masterService; |
| 609 | } |
| 610 | |
| 611 | @Override |
| 612 | public LinkProviderService providerService() { |
| 613 | return providerService; |
| 614 | } |
| 615 | |
| 616 | @Override |
| 617 | public PacketService packetService() { |
| 618 | return packetService; |
| 619 | } |
| 620 | |
| 621 | @Override |
| 622 | public long probeRate() { |
| 623 | return probeRate; |
| 624 | } |
| 625 | |
| 626 | @Override |
Jonathan Hart | b35540a | 2015-11-17 09:30:56 -0800 | [diff] [blame^] | 627 | public boolean useBddp() { |
| 628 | return useBddp; |
Thomas Vachuska | 05453c9 | 2015-09-09 14:40:49 -0700 | [diff] [blame] | 629 | } |
Thomas Vachuska | e4ebac9 | 2015-09-10 11:39:05 -0700 | [diff] [blame] | 630 | |
| 631 | @Override |
| 632 | public void touchLink(LinkKey key) { |
| 633 | linkTimes.put(key, System.currentTimeMillis()); |
| 634 | } |
Thomas Vachuska | 05453c9 | 2015-09-09 14:40:49 -0700 | [diff] [blame] | 635 | } |
Thomas Vachuska | e4ebac9 | 2015-09-10 11:39:05 -0700 | [diff] [blame] | 636 | |
alshabib | 7911a05 | 2014-10-16 17:49:37 -0700 | [diff] [blame] | 637 | } |