Thomas Vachuska | 4f1a60c | 2014-10-28 13:39:07 -0700 | [diff] [blame] | 1 | /* |
Brian O'Connor | 5ab426f | 2016-04-09 01:19:45 -0700 | [diff] [blame] | 2 | * Copyright 2014-present Open Networking Laboratory |
Thomas Vachuska | 4f1a60c | 2014-10-28 13:39:07 -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 | */ |
Brian O'Connor | abafb50 | 2014-12-02 22:26:20 -0800 | [diff] [blame] | 16 | package org.onosproject.net.packet.impl; |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 17 | |
Thomas Vachuska | 924cda4 | 2015-09-22 12:11:27 -0700 | [diff] [blame] | 18 | import com.google.common.collect.ImmutableList; |
| 19 | import com.google.common.collect.Lists; |
Madan Jampani | 6f8b702 | 2015-12-07 16:59:59 -0800 | [diff] [blame] | 20 | |
alshabib | 7674db4 | 2014-09-12 23:40:46 -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; |
| 24 | import org.apache.felix.scr.annotations.Reference; |
| 25 | import org.apache.felix.scr.annotations.ReferenceCardinality; |
| 26 | import org.apache.felix.scr.annotations.Service; |
Madan Jampani | 6f8b702 | 2015-12-07 16:59:59 -0800 | [diff] [blame] | 27 | import org.onosproject.cluster.ClusterService; |
| 28 | import org.onosproject.cluster.NodeId; |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 29 | import org.onosproject.core.ApplicationId; |
Thomas Vachuska | 6cba495 | 2015-04-22 12:38:22 -0700 | [diff] [blame] | 30 | import org.onosproject.core.CoreService; |
Brian O'Connor | abafb50 | 2014-12-02 22:26:20 -0800 | [diff] [blame] | 31 | import org.onosproject.net.Device; |
alshabib | 19e2cea | 2015-12-07 11:31:49 -0800 | [diff] [blame] | 32 | import org.onosproject.net.DeviceId; |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 33 | import org.onosproject.net.device.DeviceEvent; |
| 34 | import org.onosproject.net.device.DeviceListener; |
Brian O'Connor | abafb50 | 2014-12-02 22:26:20 -0800 | [diff] [blame] | 35 | import org.onosproject.net.device.DeviceService; |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 36 | import org.onosproject.net.flow.DefaultTrafficTreatment; |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 37 | import org.onosproject.net.flow.FlowRuleService; |
| 38 | import org.onosproject.net.flow.TrafficSelector; |
Jonathan Hart | 17d0045 | 2015-04-21 17:10:00 -0700 | [diff] [blame] | 39 | import org.onosproject.net.flowobjective.DefaultForwardingObjective; |
| 40 | import org.onosproject.net.flowobjective.FlowObjectiveService; |
| 41 | import org.onosproject.net.flowobjective.ForwardingObjective; |
| 42 | import org.onosproject.net.flowobjective.Objective; |
| 43 | import org.onosproject.net.flowobjective.ObjectiveContext; |
| 44 | import org.onosproject.net.flowobjective.ObjectiveError; |
alshabib | 4294778 | 2015-03-31 14:59:06 -0700 | [diff] [blame] | 45 | import org.onosproject.net.packet.DefaultPacketRequest; |
Brian O'Connor | abafb50 | 2014-12-02 22:26:20 -0800 | [diff] [blame] | 46 | import org.onosproject.net.packet.OutboundPacket; |
| 47 | import org.onosproject.net.packet.PacketContext; |
| 48 | import org.onosproject.net.packet.PacketEvent; |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 49 | import org.onosproject.net.packet.PacketPriority; |
Brian O'Connor | abafb50 | 2014-12-02 22:26:20 -0800 | [diff] [blame] | 50 | import org.onosproject.net.packet.PacketProcessor; |
Thomas Vachuska | 924cda4 | 2015-09-22 12:11:27 -0700 | [diff] [blame] | 51 | import org.onosproject.net.packet.PacketProcessorEntry; |
Brian O'Connor | abafb50 | 2014-12-02 22:26:20 -0800 | [diff] [blame] | 52 | import org.onosproject.net.packet.PacketProvider; |
| 53 | import org.onosproject.net.packet.PacketProviderRegistry; |
| 54 | import org.onosproject.net.packet.PacketProviderService; |
alshabib | 4294778 | 2015-03-31 14:59:06 -0700 | [diff] [blame] | 55 | import org.onosproject.net.packet.PacketRequest; |
Brian O'Connor | abafb50 | 2014-12-02 22:26:20 -0800 | [diff] [blame] | 56 | import org.onosproject.net.packet.PacketService; |
| 57 | import org.onosproject.net.packet.PacketStore; |
| 58 | import org.onosproject.net.packet.PacketStoreDelegate; |
| 59 | import org.onosproject.net.provider.AbstractProviderRegistry; |
| 60 | import org.onosproject.net.provider.AbstractProviderService; |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 61 | import org.slf4j.Logger; |
| 62 | |
Thomas Vachuska | 7f171b2 | 2015-08-21 12:49:08 -0700 | [diff] [blame] | 63 | import java.util.List; |
alshabib | 19e2cea | 2015-12-07 11:31:49 -0800 | [diff] [blame] | 64 | import java.util.Optional; |
Madan Jampani | c626f1e | 2015-05-29 13:53:38 -0700 | [diff] [blame] | 65 | import java.util.concurrent.ExecutorService; |
| 66 | import java.util.concurrent.Executors; |
alshabib | 089bb77 | 2015-03-03 18:26:26 -0800 | [diff] [blame] | 67 | |
| 68 | import static com.google.common.base.Preconditions.checkNotNull; |
Madan Jampani | c626f1e | 2015-05-29 13:53:38 -0700 | [diff] [blame] | 69 | import static org.onlab.util.Tools.groupedThreads; |
Changhoon Yoon | 541ef71 | 2015-05-23 17:18:34 +0900 | [diff] [blame] | 70 | import static org.onosproject.security.AppGuard.checkPermission; |
Changhoon Yoon | b856b81 | 2015-08-10 03:47:19 +0900 | [diff] [blame] | 71 | import static org.onosproject.security.AppPermission.Type.*; |
Thomas Vachuska | 7f171b2 | 2015-08-21 12:49:08 -0700 | [diff] [blame] | 72 | import static org.slf4j.LoggerFactory.getLogger; |
alshabib | 089bb77 | 2015-03-03 18:26:26 -0800 | [diff] [blame] | 73 | |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 74 | /** |
| 75 | * Provides a basic implementation of the packet SB & NB APIs. |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 76 | */ |
| 77 | @Component(immediate = true) |
| 78 | @Service |
tom | 202175a | 2014-09-19 19:00:11 -0700 | [diff] [blame] | 79 | public class PacketManager |
Thomas Vachuska | 6cba495 | 2015-04-22 12:38:22 -0700 | [diff] [blame] | 80 | extends AbstractProviderRegistry<PacketProvider, PacketProviderService> |
| 81 | implements PacketService, PacketProviderRegistry { |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 82 | |
| 83 | private final Logger log = getLogger(getClass()); |
| 84 | |
Thomas Vachuska | 27bee09 | 2015-06-23 19:03:10 -0700 | [diff] [blame] | 85 | private static final String TABLE_TYPE_MSG = |
| 86 | "Table Type cannot be null. For requesting packets without " + |
| 87 | "table hints, use other methods in the packetService API"; |
| 88 | |
Jonathan Hart | 4f60f98 | 2014-10-27 08:11:17 -0700 | [diff] [blame] | 89 | private final PacketStoreDelegate delegate = new InternalStoreDelegate(); |
| 90 | |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 91 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
Andrea Campanella | 5b24053 | 2016-02-05 09:44:41 -0800 | [diff] [blame] | 92 | protected CoreService coreService; |
Thomas Vachuska | 6cba495 | 2015-04-22 12:38:22 -0700 | [diff] [blame] | 93 | |
| 94 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
Andrea Campanella | 5b24053 | 2016-02-05 09:44:41 -0800 | [diff] [blame] | 95 | protected ClusterService clusterService; |
Madan Jampani | 6f8b702 | 2015-12-07 16:59:59 -0800 | [diff] [blame] | 96 | |
| 97 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
Andrea Campanella | 5b24053 | 2016-02-05 09:44:41 -0800 | [diff] [blame] | 98 | protected DeviceService deviceService; |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 99 | |
Jonathan Hart | 4f60f98 | 2014-10-27 08:11:17 -0700 | [diff] [blame] | 100 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
Andrea Campanella | 5b24053 | 2016-02-05 09:44:41 -0800 | [diff] [blame] | 101 | protected FlowRuleService flowService; |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 102 | |
| 103 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
Andrea Campanella | 5b24053 | 2016-02-05 09:44:41 -0800 | [diff] [blame] | 104 | protected PacketStore store; |
Jonathan Hart | 4f60f98 | 2014-10-27 08:11:17 -0700 | [diff] [blame] | 105 | |
Thomas Vachuska | 866b46a | 2015-04-30 00:26:55 -0700 | [diff] [blame] | 106 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 107 | private FlowObjectiveService objectiveService; |
| 108 | |
Madan Jampani | c626f1e | 2015-05-29 13:53:38 -0700 | [diff] [blame] | 109 | private ExecutorService eventHandlingExecutor; |
| 110 | |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 111 | private final DeviceListener deviceListener = new InternalDeviceListener(); |
| 112 | |
Thomas Vachuska | 924cda4 | 2015-09-22 12:11:27 -0700 | [diff] [blame] | 113 | private final List<ProcessorEntry> processors = Lists.newCopyOnWriteArrayList(); |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 114 | |
Andrea Campanella | 5b24053 | 2016-02-05 09:44:41 -0800 | [diff] [blame] | 115 | private final PacketDriverProvider defaultProvider = new PacketDriverProvider(); |
| 116 | |
Thomas Vachuska | 6cba495 | 2015-04-22 12:38:22 -0700 | [diff] [blame] | 117 | private ApplicationId appId; |
Madan Jampani | 6f8b702 | 2015-12-07 16:59:59 -0800 | [diff] [blame] | 118 | private NodeId localNodeId; |
Thomas Vachuska | 6cba495 | 2015-04-22 12:38:22 -0700 | [diff] [blame] | 119 | |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 120 | @Activate |
| 121 | public void activate() { |
Madan Jampani | c626f1e | 2015-05-29 13:53:38 -0700 | [diff] [blame] | 122 | eventHandlingExecutor = Executors.newSingleThreadExecutor( |
HIGUCHI Yuta | d9e0105 | 2016-04-14 09:31:42 -0700 | [diff] [blame] | 123 | groupedThreads("onos/net/packet", "event-handler", log)); |
Madan Jampani | 6f8b702 | 2015-12-07 16:59:59 -0800 | [diff] [blame] | 124 | localNodeId = clusterService.getLocalNode().id(); |
Thomas Vachuska | 6cba495 | 2015-04-22 12:38:22 -0700 | [diff] [blame] | 125 | appId = coreService.getAppId(CoreService.CORE_APP_NAME); |
Jonathan Hart | 4f60f98 | 2014-10-27 08:11:17 -0700 | [diff] [blame] | 126 | store.setDelegate(delegate); |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 127 | deviceService.addListener(deviceListener); |
Thomas Vachuska | 924cda4 | 2015-09-22 12:11:27 -0700 | [diff] [blame] | 128 | store.existingRequests().forEach(this::pushToAllDevices); |
Andrea Campanella | 5b24053 | 2016-02-05 09:44:41 -0800 | [diff] [blame] | 129 | defaultProvider.init(deviceService); |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 130 | log.info("Started"); |
| 131 | } |
| 132 | |
| 133 | @Deactivate |
| 134 | public void deactivate() { |
Jonathan Hart | 4f60f98 | 2014-10-27 08:11:17 -0700 | [diff] [blame] | 135 | store.unsetDelegate(delegate); |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 136 | deviceService.removeListener(deviceListener); |
Madan Jampani | c626f1e | 2015-05-29 13:53:38 -0700 | [diff] [blame] | 137 | eventHandlingExecutor.shutdown(); |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 138 | log.info("Stopped"); |
| 139 | } |
| 140 | |
| 141 | @Override |
Andrea Campanella | 5b24053 | 2016-02-05 09:44:41 -0800 | [diff] [blame] | 142 | protected PacketProvider defaultProvider() { |
| 143 | return defaultProvider; |
| 144 | } |
| 145 | |
| 146 | @Override |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 147 | public void addProcessor(PacketProcessor processor, int priority) { |
Changhoon Yoon | b856b81 | 2015-08-10 03:47:19 +0900 | [diff] [blame] | 148 | checkPermission(PACKET_EVENT); |
alshabib | 030111e | 2014-09-15 15:56:42 -0700 | [diff] [blame] | 149 | checkNotNull(processor, "Processor cannot be null"); |
Thomas Vachuska | 924cda4 | 2015-09-22 12:11:27 -0700 | [diff] [blame] | 150 | ProcessorEntry entry = new ProcessorEntry(processor, priority); |
| 151 | |
| 152 | // Insert the new processor according to its priority. |
| 153 | int i = 0; |
| 154 | for (; i < processors.size(); i++) { |
| 155 | if (priority < processors.get(i).priority()) { |
| 156 | break; |
| 157 | } |
| 158 | } |
| 159 | processors.add(i, entry); |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 160 | } |
| 161 | |
| 162 | @Override |
| 163 | public void removeProcessor(PacketProcessor processor) { |
Changhoon Yoon | b856b81 | 2015-08-10 03:47:19 +0900 | [diff] [blame] | 164 | checkPermission(PACKET_EVENT); |
tom | c370ebd | 2014-09-16 01:25:21 -0700 | [diff] [blame] | 165 | checkNotNull(processor, "Processor cannot be null"); |
Thomas Vachuska | 924cda4 | 2015-09-22 12:11:27 -0700 | [diff] [blame] | 166 | |
| 167 | // Remove the processor entry. |
| 168 | for (int i = 0; i < processors.size(); i++) { |
| 169 | if (processors.get(i).processor() == processor) { |
| 170 | processors.remove(i); |
| 171 | break; |
| 172 | } |
| 173 | } |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 174 | } |
| 175 | |
| 176 | @Override |
Thomas Vachuska | 924cda4 | 2015-09-22 12:11:27 -0700 | [diff] [blame] | 177 | public List<PacketProcessorEntry> getProcessors() { |
Heedo Kang | 4a47a30 | 2016-02-29 17:40:23 +0900 | [diff] [blame] | 178 | checkPermission(PACKET_READ); |
Thomas Vachuska | 924cda4 | 2015-09-22 12:11:27 -0700 | [diff] [blame] | 179 | return ImmutableList.copyOf(processors); |
Thomas Vachuska | 7f171b2 | 2015-08-21 12:49:08 -0700 | [diff] [blame] | 180 | } |
| 181 | |
| 182 | @Override |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 183 | public void requestPackets(TrafficSelector selector, PacketPriority priority, |
| 184 | ApplicationId appId) { |
Changhoon Yoon | b856b81 | 2015-08-10 03:47:19 +0900 | [diff] [blame] | 185 | checkPermission(PACKET_READ); |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 186 | checkNotNull(selector, "Selector cannot be null"); |
| 187 | checkNotNull(appId, "Application ID cannot be null"); |
| 188 | |
alshabib | 19e2cea | 2015-12-07 11:31:49 -0800 | [diff] [blame] | 189 | PacketRequest request = new DefaultPacketRequest(selector, priority, appId, |
| 190 | localNodeId, Optional.empty()); |
Brian O'Connor | 21b028e | 2015-10-08 22:50:02 -0700 | [diff] [blame] | 191 | store.requestPackets(request); |
Saurav Das | c313c40 | 2015-02-27 10:09:47 -0800 | [diff] [blame] | 192 | } |
| 193 | |
| 194 | @Override |
alshabib | 19e2cea | 2015-12-07 11:31:49 -0800 | [diff] [blame] | 195 | public void requestPackets(TrafficSelector selector, PacketPriority priority, |
| 196 | ApplicationId appId, Optional<DeviceId> deviceId) { |
| 197 | checkPermission(PACKET_READ); |
| 198 | checkNotNull(selector, "Selector cannot be null"); |
| 199 | checkNotNull(appId, "Application ID cannot be null"); |
| 200 | |
| 201 | PacketRequest request = |
| 202 | new DefaultPacketRequest(selector, priority, appId, |
| 203 | localNodeId, deviceId); |
| 204 | |
| 205 | store.requestPackets(request); |
| 206 | |
| 207 | } |
| 208 | |
| 209 | @Override |
Thomas Vachuska | 27bee09 | 2015-06-23 19:03:10 -0700 | [diff] [blame] | 210 | public void cancelPackets(TrafficSelector selector, PacketPriority priority, |
| 211 | ApplicationId appId) { |
Changhoon Yoon | b856b81 | 2015-08-10 03:47:19 +0900 | [diff] [blame] | 212 | checkPermission(PACKET_READ); |
Saurav Das | c313c40 | 2015-02-27 10:09:47 -0800 | [diff] [blame] | 213 | checkNotNull(selector, "Selector cannot be null"); |
| 214 | checkNotNull(appId, "Application ID cannot be null"); |
Saurav Das | c313c40 | 2015-02-27 10:09:47 -0800 | [diff] [blame] | 215 | |
alshabib | 19e2cea | 2015-12-07 11:31:49 -0800 | [diff] [blame] | 216 | |
| 217 | PacketRequest request = new DefaultPacketRequest(selector, priority, appId, |
| 218 | localNodeId, Optional.empty()); |
| 219 | store.cancelPackets(request); |
| 220 | } |
| 221 | |
| 222 | @Override |
| 223 | public void cancelPackets(TrafficSelector selector, PacketPriority priority, |
| 224 | ApplicationId appId, Optional<DeviceId> deviceId) { |
| 225 | checkPermission(PACKET_READ); |
| 226 | checkNotNull(selector, "Selector cannot be null"); |
| 227 | checkNotNull(appId, "Application ID cannot be null"); |
| 228 | |
| 229 | PacketRequest request = new DefaultPacketRequest(selector, priority, |
| 230 | appId, localNodeId, |
| 231 | deviceId); |
Brian O'Connor | 21b028e | 2015-10-08 22:50:02 -0700 | [diff] [blame] | 232 | store.cancelPackets(request); |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 233 | } |
| 234 | |
Thomas Vachuska | 7f171b2 | 2015-08-21 12:49:08 -0700 | [diff] [blame] | 235 | @Override |
| 236 | public List<PacketRequest> getRequests() { |
Heedo Kang | 4a47a30 | 2016-02-29 17:40:23 +0900 | [diff] [blame] | 237 | checkPermission(PACKET_READ); |
Thomas Vachuska | 7f171b2 | 2015-08-21 12:49:08 -0700 | [diff] [blame] | 238 | return store.existingRequests(); |
| 239 | } |
| 240 | |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 241 | /** |
Thomas Vachuska | 924cda4 | 2015-09-22 12:11:27 -0700 | [diff] [blame] | 242 | * Pushes all rules to the specified device. |
| 243 | * |
| 244 | * @param device device on which to install packet request flows |
| 245 | */ |
| 246 | private void pushRulesToDevice(Device device) { |
| 247 | log.debug("Pushing packet requests to device {}", device.id()); |
| 248 | for (PacketRequest request : store.existingRequests()) { |
alshabib | 19e2cea | 2015-12-07 11:31:49 -0800 | [diff] [blame] | 249 | if (!request.deviceId().isPresent()) { |
| 250 | pushRule(device, request); |
| 251 | } else if (request.deviceId().get().equals(device.id())) { |
| 252 | pushRule(device, request); |
| 253 | } |
| 254 | |
Thomas Vachuska | 924cda4 | 2015-09-22 12:11:27 -0700 | [diff] [blame] | 255 | } |
| 256 | } |
| 257 | |
| 258 | /** |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 259 | * Pushes a packet request flow rule to all devices. |
| 260 | * |
| 261 | * @param request the packet request |
| 262 | */ |
| 263 | private void pushToAllDevices(PacketRequest request) { |
Thomas Vachuska | 88fd690 | 2015-08-04 10:08:34 -0700 | [diff] [blame] | 264 | log.debug("Pushing packet request {} to all devices", request); |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 265 | for (Device device : deviceService.getDevices()) { |
alshabib | 4294778 | 2015-03-31 14:59:06 -0700 | [diff] [blame] | 266 | pushRule(device, request); |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 267 | } |
| 268 | } |
| 269 | |
| 270 | /** |
Thomas Vachuska | 27bee09 | 2015-06-23 19:03:10 -0700 | [diff] [blame] | 271 | * Removes packet request flow rule from all devices. |
| 272 | * |
| 273 | * @param request the packet request |
| 274 | */ |
| 275 | private void removeFromAllDevices(PacketRequest request) { |
Thomas Vachuska | 924cda4 | 2015-09-22 12:11:27 -0700 | [diff] [blame] | 276 | deviceService.getAvailableDevices().forEach(d -> removeRule(d, request)); |
Thomas Vachuska | 27bee09 | 2015-06-23 19:03:10 -0700 | [diff] [blame] | 277 | } |
| 278 | |
| 279 | /** |
| 280 | * Pushes packet intercept flow rules to the device. |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 281 | * |
Thomas Vachuska | 6cba495 | 2015-04-22 12:38:22 -0700 | [diff] [blame] | 282 | * @param device the device to push the rules to |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 283 | * @param request the packet request |
| 284 | */ |
| 285 | private void pushRule(Device device, PacketRequest request) { |
Marc De Leenheer | b931137 | 2015-07-09 11:36:49 -0700 | [diff] [blame] | 286 | if (!device.type().equals(Device.Type.SWITCH)) { |
Marc De Leenheer | 8b3e80b | 2015-03-06 14:27:03 -0800 | [diff] [blame] | 287 | return; |
| 288 | } |
| 289 | |
Thomas Vachuska | 27bee09 | 2015-06-23 19:03:10 -0700 | [diff] [blame] | 290 | ForwardingObjective forwarding = createBuilder(request) |
Jonathan Hart | 17d0045 | 2015-04-21 17:10:00 -0700 | [diff] [blame] | 291 | .add(new ObjectiveContext() { |
| 292 | @Override |
Jonathan Hart | 17d0045 | 2015-04-21 17:10:00 -0700 | [diff] [blame] | 293 | public void onError(Objective objective, ObjectiveError error) { |
Thomas Vachuska | 88fd690 | 2015-08-04 10:08:34 -0700 | [diff] [blame] | 294 | log.warn("Failed to install packet request {} to {}: {}", |
| 295 | request, device.id(), error); |
Jonathan Hart | 17d0045 | 2015-04-21 17:10:00 -0700 | [diff] [blame] | 296 | } |
| 297 | }); |
| 298 | |
| 299 | objectiveService.forward(device.id(), forwarding); |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 300 | } |
| 301 | |
Thomas Vachuska | 27bee09 | 2015-06-23 19:03:10 -0700 | [diff] [blame] | 302 | /** |
| 303 | * Removes packet intercept flow rules from the device. |
| 304 | * |
| 305 | * @param device the device to remove the rules deom |
| 306 | * @param request the packet request |
| 307 | */ |
| 308 | private void removeRule(Device device, PacketRequest request) { |
Marc De Leenheer | b931137 | 2015-07-09 11:36:49 -0700 | [diff] [blame] | 309 | if (!device.type().equals(Device.Type.SWITCH)) { |
Thomas Vachuska | 27bee09 | 2015-06-23 19:03:10 -0700 | [diff] [blame] | 310 | return; |
| 311 | } |
Thomas Vachuska | 27bee09 | 2015-06-23 19:03:10 -0700 | [diff] [blame] | 312 | ForwardingObjective forwarding = createBuilder(request) |
| 313 | .remove(new ObjectiveContext() { |
| 314 | @Override |
| 315 | public void onError(Objective objective, ObjectiveError error) { |
Thomas Vachuska | 88fd690 | 2015-08-04 10:08:34 -0700 | [diff] [blame] | 316 | log.warn("Failed to withdraw packet request {} from {}: {}", |
| 317 | request, device.id(), error); |
Thomas Vachuska | 27bee09 | 2015-06-23 19:03:10 -0700 | [diff] [blame] | 318 | } |
| 319 | }); |
Thomas Vachuska | 27bee09 | 2015-06-23 19:03:10 -0700 | [diff] [blame] | 320 | objectiveService.forward(device.id(), forwarding); |
| 321 | } |
| 322 | |
| 323 | private DefaultForwardingObjective.Builder createBuilder(PacketRequest request) { |
| 324 | return DefaultForwardingObjective.builder() |
| 325 | .withPriority(request.priority().priorityValue()) |
| 326 | .withSelector(request.selector()) |
| 327 | .fromApp(appId) |
| 328 | .withFlag(ForwardingObjective.Flag.VERSATILE) |
| 329 | .withTreatment(DefaultTrafficTreatment.builder().punt().build()) |
| 330 | .makePermanent(); |
| 331 | } |
| 332 | |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 333 | @Override |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 334 | public void emit(OutboundPacket packet) { |
Changhoon Yoon | b856b81 | 2015-08-10 03:47:19 +0900 | [diff] [blame] | 335 | checkPermission(PACKET_WRITE); |
tom | c370ebd | 2014-09-16 01:25:21 -0700 | [diff] [blame] | 336 | checkNotNull(packet, "Packet cannot be null"); |
Jonathan Hart | 4f60f98 | 2014-10-27 08:11:17 -0700 | [diff] [blame] | 337 | store.emit(packet); |
| 338 | } |
| 339 | |
| 340 | private void localEmit(OutboundPacket packet) { |
Thomas Vachuska | 924cda4 | 2015-09-22 12:11:27 -0700 | [diff] [blame] | 341 | Device device = deviceService.getDevice(packet.sendThrough()); |
Jonathan Hart | 7466d61 | 2014-11-24 17:09:53 -0800 | [diff] [blame] | 342 | if (device == null) { |
| 343 | return; |
| 344 | } |
Thomas Vachuska | 27bee09 | 2015-06-23 19:03:10 -0700 | [diff] [blame] | 345 | PacketProvider packetProvider = getProvider(device.providerId()); |
alshabib | 3d643ec | 2014-10-22 18:33:00 -0700 | [diff] [blame] | 346 | if (packetProvider != null) { |
| 347 | packetProvider.emit(packet); |
| 348 | } |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 349 | } |
| 350 | |
| 351 | @Override |
tom | c370ebd | 2014-09-16 01:25:21 -0700 | [diff] [blame] | 352 | protected PacketProviderService createProviderService(PacketProvider provider) { |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 353 | return new InternalPacketProviderService(provider); |
| 354 | } |
| 355 | |
Thomas Vachuska | 924cda4 | 2015-09-22 12:11:27 -0700 | [diff] [blame] | 356 | /** |
| 357 | * Personalized packet provider service issued to the supplied provider. |
| 358 | */ |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 359 | private class InternalPacketProviderService |
Thomas Vachuska | 6cba495 | 2015-04-22 12:38:22 -0700 | [diff] [blame] | 360 | extends AbstractProviderService<PacketProvider> |
| 361 | implements PacketProviderService { |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 362 | |
| 363 | protected InternalPacketProviderService(PacketProvider provider) { |
| 364 | super(provider); |
| 365 | } |
| 366 | |
| 367 | @Override |
| 368 | public void processPacket(PacketContext context) { |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 369 | // TODO filter packets sent to processors based on registrations |
Thomas Vachuska | 924cda4 | 2015-09-22 12:11:27 -0700 | [diff] [blame] | 370 | for (ProcessorEntry entry : processors) { |
Jonathan Hart | f563830 | 2015-11-16 10:56:20 -0800 | [diff] [blame] | 371 | try { |
| 372 | long start = System.nanoTime(); |
| 373 | entry.processor().process(context); |
| 374 | entry.addNanos(System.nanoTime() - start); |
| 375 | } catch (Exception e) { |
| 376 | log.warn("Packet processor {} threw an exception", entry.processor(), e); |
| 377 | } |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 378 | } |
| 379 | } |
| 380 | |
| 381 | } |
Jonathan Hart | 4f60f98 | 2014-10-27 08:11:17 -0700 | [diff] [blame] | 382 | |
alshabib | 19e2cea | 2015-12-07 11:31:49 -0800 | [diff] [blame] | 383 | |
Jonathan Hart | 4f60f98 | 2014-10-27 08:11:17 -0700 | [diff] [blame] | 384 | /** |
| 385 | * Internal callback from the packet store. |
| 386 | */ |
Andrea Campanella | 5b24053 | 2016-02-05 09:44:41 -0800 | [diff] [blame] | 387 | protected class InternalStoreDelegate implements PacketStoreDelegate { |
Jonathan Hart | 4f60f98 | 2014-10-27 08:11:17 -0700 | [diff] [blame] | 388 | @Override |
| 389 | public void notify(PacketEvent event) { |
| 390 | localEmit(event.subject()); |
| 391 | } |
Brian O'Connor | 21b028e | 2015-10-08 22:50:02 -0700 | [diff] [blame] | 392 | |
| 393 | @Override |
| 394 | public void requestPackets(PacketRequest request) { |
alshabib | 19e2cea | 2015-12-07 11:31:49 -0800 | [diff] [blame] | 395 | DeviceId deviceid = request.deviceId().orElse(null); |
| 396 | |
| 397 | if (deviceid != null) { |
| 398 | pushRule(deviceService.getDevice(deviceid), request); |
| 399 | } else { |
| 400 | pushToAllDevices(request); |
| 401 | } |
Brian O'Connor | 21b028e | 2015-10-08 22:50:02 -0700 | [diff] [blame] | 402 | } |
| 403 | |
| 404 | @Override |
| 405 | public void cancelPackets(PacketRequest request) { |
alshabib | 19e2cea | 2015-12-07 11:31:49 -0800 | [diff] [blame] | 406 | DeviceId deviceid = request.deviceId().orElse(null); |
| 407 | |
| 408 | if (deviceid != null) { |
| 409 | removeRule(deviceService.getDevice(deviceid), request); |
| 410 | } else { |
| 411 | removeFromAllDevices(request); |
| 412 | } |
Brian O'Connor | 21b028e | 2015-10-08 22:50:02 -0700 | [diff] [blame] | 413 | } |
Jonathan Hart | 4f60f98 | 2014-10-27 08:11:17 -0700 | [diff] [blame] | 414 | } |
| 415 | |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 416 | /** |
| 417 | * Internal listener for device service events. |
| 418 | */ |
| 419 | private class InternalDeviceListener implements DeviceListener { |
| 420 | @Override |
| 421 | public void event(DeviceEvent event) { |
Madan Jampani | c626f1e | 2015-05-29 13:53:38 -0700 | [diff] [blame] | 422 | eventHandlingExecutor.execute(() -> { |
| 423 | try { |
| 424 | Device device = event.subject(); |
| 425 | switch (event.type()) { |
Thomas Vachuska | 924cda4 | 2015-09-22 12:11:27 -0700 | [diff] [blame] | 426 | case DEVICE_ADDED: |
| 427 | case DEVICE_AVAILABILITY_CHANGED: |
| 428 | if (deviceService.isAvailable(event.subject().id())) { |
| 429 | pushRulesToDevice(device); |
Madan Jampani | c626f1e | 2015-05-29 13:53:38 -0700 | [diff] [blame] | 430 | } |
Thomas Vachuska | 924cda4 | 2015-09-22 12:11:27 -0700 | [diff] [blame] | 431 | break; |
| 432 | default: |
| 433 | break; |
sangho | 864a9db2 | 2015-04-28 12:06:31 -0700 | [diff] [blame] | 434 | } |
Madan Jampani | c626f1e | 2015-05-29 13:53:38 -0700 | [diff] [blame] | 435 | } catch (Exception e) { |
| 436 | log.warn("Failed to process {}", event, e); |
| 437 | } |
| 438 | }); |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 439 | } |
| 440 | } |
| 441 | |
Thomas Vachuska | 924cda4 | 2015-09-22 12:11:27 -0700 | [diff] [blame] | 442 | /** |
| 443 | * Entity for tracking stats for a packet processor. |
| 444 | */ |
| 445 | private class ProcessorEntry implements PacketProcessorEntry { |
| 446 | private final PacketProcessor processor; |
| 447 | private final int priority; |
| 448 | private long invocations = 0; |
| 449 | private long nanos = 0; |
| 450 | |
| 451 | public ProcessorEntry(PacketProcessor processor, int priority) { |
| 452 | this.processor = processor; |
| 453 | this.priority = priority; |
| 454 | } |
| 455 | |
| 456 | @Override |
| 457 | public PacketProcessor processor() { |
| 458 | return processor; |
| 459 | } |
| 460 | |
| 461 | @Override |
| 462 | public int priority() { |
| 463 | return priority; |
| 464 | } |
| 465 | |
| 466 | @Override |
| 467 | public long invocations() { |
| 468 | return invocations; |
| 469 | } |
| 470 | |
| 471 | @Override |
| 472 | public long totalNanos() { |
| 473 | return nanos; |
| 474 | } |
| 475 | |
| 476 | @Override |
| 477 | public long averageNanos() { |
| 478 | return invocations > 0 ? nanos / invocations : 0; |
| 479 | } |
| 480 | |
| 481 | void addNanos(long nanos) { |
| 482 | this.nanos += nanos; |
| 483 | this.invocations++; |
| 484 | } |
| 485 | } |
alshabib | ae85758 | 2014-09-12 23:53:10 -0700 | [diff] [blame] | 486 | } |