Thomas Vachuska | 4f1a60c | 2014-10-28 13:39:07 -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 | 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 | |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 18 | import org.apache.felix.scr.annotations.Activate; |
| 19 | import org.apache.felix.scr.annotations.Component; |
| 20 | import org.apache.felix.scr.annotations.Deactivate; |
| 21 | import org.apache.felix.scr.annotations.Reference; |
| 22 | import org.apache.felix.scr.annotations.ReferenceCardinality; |
| 23 | import org.apache.felix.scr.annotations.Service; |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 24 | import org.onosproject.core.ApplicationId; |
Thomas Vachuska | 6cba495 | 2015-04-22 12:38:22 -0700 | [diff] [blame] | 25 | import org.onosproject.core.CoreService; |
Brian O'Connor | abafb50 | 2014-12-02 22:26:20 -0800 | [diff] [blame] | 26 | import org.onosproject.net.Device; |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 27 | import org.onosproject.net.device.DeviceEvent; |
| 28 | import org.onosproject.net.device.DeviceListener; |
Brian O'Connor | abafb50 | 2014-12-02 22:26:20 -0800 | [diff] [blame] | 29 | import org.onosproject.net.device.DeviceService; |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 30 | import org.onosproject.net.flow.DefaultTrafficTreatment; |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 31 | import org.onosproject.net.flow.FlowRuleService; |
| 32 | import org.onosproject.net.flow.TrafficSelector; |
Jonathan Hart | 17d0045 | 2015-04-21 17:10:00 -0700 | [diff] [blame] | 33 | import org.onosproject.net.flowobjective.DefaultForwardingObjective; |
| 34 | import org.onosproject.net.flowobjective.FlowObjectiveService; |
| 35 | import org.onosproject.net.flowobjective.ForwardingObjective; |
| 36 | import org.onosproject.net.flowobjective.Objective; |
| 37 | import org.onosproject.net.flowobjective.ObjectiveContext; |
| 38 | import org.onosproject.net.flowobjective.ObjectiveError; |
alshabib | 4294778 | 2015-03-31 14:59:06 -0700 | [diff] [blame] | 39 | import org.onosproject.net.packet.DefaultPacketRequest; |
Brian O'Connor | abafb50 | 2014-12-02 22:26:20 -0800 | [diff] [blame] | 40 | import org.onosproject.net.packet.OutboundPacket; |
| 41 | import org.onosproject.net.packet.PacketContext; |
| 42 | import org.onosproject.net.packet.PacketEvent; |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 43 | import org.onosproject.net.packet.PacketPriority; |
Brian O'Connor | abafb50 | 2014-12-02 22:26:20 -0800 | [diff] [blame] | 44 | import org.onosproject.net.packet.PacketProcessor; |
| 45 | import org.onosproject.net.packet.PacketProvider; |
| 46 | import org.onosproject.net.packet.PacketProviderRegistry; |
| 47 | import org.onosproject.net.packet.PacketProviderService; |
alshabib | 4294778 | 2015-03-31 14:59:06 -0700 | [diff] [blame] | 48 | import org.onosproject.net.packet.PacketRequest; |
Brian O'Connor | abafb50 | 2014-12-02 22:26:20 -0800 | [diff] [blame] | 49 | import org.onosproject.net.packet.PacketService; |
| 50 | import org.onosproject.net.packet.PacketStore; |
| 51 | import org.onosproject.net.packet.PacketStoreDelegate; |
| 52 | import org.onosproject.net.provider.AbstractProviderRegistry; |
| 53 | import org.onosproject.net.provider.AbstractProviderService; |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 54 | import org.slf4j.Logger; |
| 55 | |
alshabib | 089bb77 | 2015-03-03 18:26:26 -0800 | [diff] [blame] | 56 | import java.util.Map; |
alshabib | 089bb77 | 2015-03-03 18:26:26 -0800 | [diff] [blame] | 57 | import java.util.concurrent.ConcurrentHashMap; |
Madan Jampani | c626f1e | 2015-05-29 13:53:38 -0700 | [diff] [blame] | 58 | import java.util.concurrent.ExecutorService; |
| 59 | import java.util.concurrent.Executors; |
alshabib | 089bb77 | 2015-03-03 18:26:26 -0800 | [diff] [blame] | 60 | |
| 61 | import static com.google.common.base.Preconditions.checkNotNull; |
Madan Jampani | c626f1e | 2015-05-29 13:53:38 -0700 | [diff] [blame] | 62 | import static org.onlab.util.Tools.groupedThreads; |
Changhoon Yoon | 541ef71 | 2015-05-23 17:18:34 +0900 | [diff] [blame] | 63 | import static org.onosproject.security.AppGuard.checkPermission; |
Thomas Vachuska | 27bee09 | 2015-06-23 19:03:10 -0700 | [diff] [blame] | 64 | import static org.slf4j.LoggerFactory.getLogger; |
Changhoon Yoon | b856b81 | 2015-08-10 03:47:19 +0900 | [diff] [blame^] | 65 | import static org.onosproject.security.AppPermission.Type.*; |
alshabib | 089bb77 | 2015-03-03 18:26:26 -0800 | [diff] [blame] | 66 | |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 67 | /** |
| 68 | * Provides a basic implementation of the packet SB & NB APIs. |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 69 | */ |
| 70 | @Component(immediate = true) |
| 71 | @Service |
tom | 202175a | 2014-09-19 19:00:11 -0700 | [diff] [blame] | 72 | public class PacketManager |
Thomas Vachuska | 6cba495 | 2015-04-22 12:38:22 -0700 | [diff] [blame] | 73 | extends AbstractProviderRegistry<PacketProvider, PacketProviderService> |
| 74 | implements PacketService, PacketProviderRegistry { |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 75 | |
| 76 | private final Logger log = getLogger(getClass()); |
| 77 | |
Thomas Vachuska | 27bee09 | 2015-06-23 19:03:10 -0700 | [diff] [blame] | 78 | private static final String TABLE_TYPE_MSG = |
| 79 | "Table Type cannot be null. For requesting packets without " + |
| 80 | "table hints, use other methods in the packetService API"; |
| 81 | |
Jonathan Hart | 4f60f98 | 2014-10-27 08:11:17 -0700 | [diff] [blame] | 82 | private final PacketStoreDelegate delegate = new InternalStoreDelegate(); |
| 83 | |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 84 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
Thomas Vachuska | 6cba495 | 2015-04-22 12:38:22 -0700 | [diff] [blame] | 85 | private CoreService coreService; |
| 86 | |
| 87 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 88 | private DeviceService deviceService; |
| 89 | |
Jonathan Hart | 4f60f98 | 2014-10-27 08:11:17 -0700 | [diff] [blame] | 90 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 91 | private FlowRuleService flowService; |
| 92 | |
| 93 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
Jonathan Hart | 4f60f98 | 2014-10-27 08:11:17 -0700 | [diff] [blame] | 94 | private PacketStore store; |
| 95 | |
Thomas Vachuska | 866b46a | 2015-04-30 00:26:55 -0700 | [diff] [blame] | 96 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 97 | private FlowObjectiveService objectiveService; |
| 98 | |
Madan Jampani | c626f1e | 2015-05-29 13:53:38 -0700 | [diff] [blame] | 99 | private ExecutorService eventHandlingExecutor; |
| 100 | |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 101 | private final DeviceListener deviceListener = new InternalDeviceListener(); |
| 102 | |
Jonathan Hart | 4f60f98 | 2014-10-27 08:11:17 -0700 | [diff] [blame] | 103 | private final Map<Integer, PacketProcessor> processors = new ConcurrentHashMap<>(); |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 104 | |
Thomas Vachuska | 6cba495 | 2015-04-22 12:38:22 -0700 | [diff] [blame] | 105 | private ApplicationId appId; |
| 106 | |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 107 | @Activate |
| 108 | public void activate() { |
Madan Jampani | c626f1e | 2015-05-29 13:53:38 -0700 | [diff] [blame] | 109 | eventHandlingExecutor = Executors.newSingleThreadExecutor( |
| 110 | groupedThreads("onos/net/packet", "event-handler")); |
Thomas Vachuska | 6cba495 | 2015-04-22 12:38:22 -0700 | [diff] [blame] | 111 | appId = coreService.getAppId(CoreService.CORE_APP_NAME); |
Jonathan Hart | 4f60f98 | 2014-10-27 08:11:17 -0700 | [diff] [blame] | 112 | store.setDelegate(delegate); |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 113 | deviceService.addListener(deviceListener); |
Thomas Vachuska | 866b46a | 2015-04-30 00:26:55 -0700 | [diff] [blame] | 114 | // TODO: Should we request packets for all existing devices? I believe we should. |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 115 | log.info("Started"); |
| 116 | } |
| 117 | |
| 118 | @Deactivate |
| 119 | public void deactivate() { |
Jonathan Hart | 4f60f98 | 2014-10-27 08:11:17 -0700 | [diff] [blame] | 120 | store.unsetDelegate(delegate); |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 121 | deviceService.removeListener(deviceListener); |
Madan Jampani | c626f1e | 2015-05-29 13:53:38 -0700 | [diff] [blame] | 122 | eventHandlingExecutor.shutdown(); |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 123 | log.info("Stopped"); |
| 124 | } |
| 125 | |
| 126 | @Override |
| 127 | public void addProcessor(PacketProcessor processor, int priority) { |
Changhoon Yoon | b856b81 | 2015-08-10 03:47:19 +0900 | [diff] [blame^] | 128 | checkPermission(PACKET_EVENT); |
alshabib | 030111e | 2014-09-15 15:56:42 -0700 | [diff] [blame] | 129 | checkNotNull(processor, "Processor cannot be null"); |
alshabib | d58d352 | 2014-09-13 17:14:53 -0700 | [diff] [blame] | 130 | processors.put(priority, processor); |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 131 | } |
| 132 | |
| 133 | @Override |
| 134 | public void removeProcessor(PacketProcessor processor) { |
Changhoon Yoon | b856b81 | 2015-08-10 03:47:19 +0900 | [diff] [blame^] | 135 | checkPermission(PACKET_EVENT); |
tom | c370ebd | 2014-09-16 01:25:21 -0700 | [diff] [blame] | 136 | checkNotNull(processor, "Processor cannot be null"); |
alshabib | d58d352 | 2014-09-13 17:14:53 -0700 | [diff] [blame] | 137 | processors.values().remove(processor); |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 138 | } |
| 139 | |
| 140 | @Override |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 141 | public void requestPackets(TrafficSelector selector, PacketPriority priority, |
| 142 | ApplicationId appId) { |
Changhoon Yoon | b856b81 | 2015-08-10 03:47:19 +0900 | [diff] [blame^] | 143 | checkPermission(PACKET_READ); |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 144 | checkNotNull(selector, "Selector cannot be null"); |
| 145 | checkNotNull(appId, "Application ID cannot be null"); |
| 146 | |
Thomas Vachuska | 27bee09 | 2015-06-23 19:03:10 -0700 | [diff] [blame] | 147 | PacketRequest request = new DefaultPacketRequest(selector, priority, appId); |
alshabib | 4294778 | 2015-03-31 14:59:06 -0700 | [diff] [blame] | 148 | if (store.requestPackets(request)) { |
| 149 | pushToAllDevices(request); |
| 150 | } |
Saurav Das | c313c40 | 2015-02-27 10:09:47 -0800 | [diff] [blame] | 151 | } |
| 152 | |
| 153 | @Override |
Thomas Vachuska | 27bee09 | 2015-06-23 19:03:10 -0700 | [diff] [blame] | 154 | public void cancelPackets(TrafficSelector selector, PacketPriority priority, |
| 155 | ApplicationId appId) { |
Changhoon Yoon | b856b81 | 2015-08-10 03:47:19 +0900 | [diff] [blame^] | 156 | checkPermission(PACKET_READ); |
Saurav Das | c313c40 | 2015-02-27 10:09:47 -0800 | [diff] [blame] | 157 | checkNotNull(selector, "Selector cannot be null"); |
| 158 | checkNotNull(appId, "Application ID cannot be null"); |
Saurav Das | c313c40 | 2015-02-27 10:09:47 -0800 | [diff] [blame] | 159 | |
Thomas Vachuska | 27bee09 | 2015-06-23 19:03:10 -0700 | [diff] [blame] | 160 | PacketRequest request = new DefaultPacketRequest(selector, priority, appId); |
| 161 | if (store.cancelPackets(request)) { |
| 162 | removeFromAllDevices(request); |
alshabib | 089bb77 | 2015-03-03 18:26:26 -0800 | [diff] [blame] | 163 | } |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 164 | } |
| 165 | |
| 166 | /** |
| 167 | * Pushes a packet request flow rule to all devices. |
| 168 | * |
| 169 | * @param request the packet request |
| 170 | */ |
| 171 | private void pushToAllDevices(PacketRequest request) { |
Thomas Vachuska | 88fd690 | 2015-08-04 10:08:34 -0700 | [diff] [blame] | 172 | log.debug("Pushing packet request {} to all devices", request); |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 173 | for (Device device : deviceService.getDevices()) { |
alshabib | 4294778 | 2015-03-31 14:59:06 -0700 | [diff] [blame] | 174 | pushRule(device, request); |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 175 | } |
| 176 | } |
| 177 | |
Thomas Vachuska | 27bee09 | 2015-06-23 19:03:10 -0700 | [diff] [blame] | 178 | |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 179 | /** |
Thomas Vachuska | 27bee09 | 2015-06-23 19:03:10 -0700 | [diff] [blame] | 180 | * Removes packet request flow rule from all devices. |
| 181 | * |
| 182 | * @param request the packet request |
| 183 | */ |
| 184 | private void removeFromAllDevices(PacketRequest request) { |
| 185 | for (Device device : deviceService.getDevices()) { |
| 186 | removeRule(device, request); |
| 187 | } |
| 188 | } |
| 189 | |
| 190 | /** |
| 191 | * Pushes packet intercept flow rules to the device. |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 192 | * |
Thomas Vachuska | 6cba495 | 2015-04-22 12:38:22 -0700 | [diff] [blame] | 193 | * @param device the device to push the rules to |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 194 | * @param request the packet request |
| 195 | */ |
| 196 | private void pushRule(Device device, PacketRequest request) { |
Marc De Leenheer | b931137 | 2015-07-09 11:36:49 -0700 | [diff] [blame] | 197 | if (!device.type().equals(Device.Type.SWITCH)) { |
Marc De Leenheer | 8b3e80b | 2015-03-06 14:27:03 -0800 | [diff] [blame] | 198 | return; |
| 199 | } |
| 200 | |
Thomas Vachuska | 27bee09 | 2015-06-23 19:03:10 -0700 | [diff] [blame] | 201 | ForwardingObjective forwarding = createBuilder(request) |
Jonathan Hart | 17d0045 | 2015-04-21 17:10:00 -0700 | [diff] [blame] | 202 | .add(new ObjectiveContext() { |
| 203 | @Override |
Jonathan Hart | 17d0045 | 2015-04-21 17:10:00 -0700 | [diff] [blame] | 204 | public void onError(Objective objective, ObjectiveError error) { |
Thomas Vachuska | 88fd690 | 2015-08-04 10:08:34 -0700 | [diff] [blame] | 205 | log.warn("Failed to install packet request {} to {}: {}", |
| 206 | request, device.id(), error); |
Jonathan Hart | 17d0045 | 2015-04-21 17:10:00 -0700 | [diff] [blame] | 207 | } |
| 208 | }); |
| 209 | |
| 210 | objectiveService.forward(device.id(), forwarding); |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 211 | } |
| 212 | |
Thomas Vachuska | 27bee09 | 2015-06-23 19:03:10 -0700 | [diff] [blame] | 213 | /** |
| 214 | * Removes packet intercept flow rules from the device. |
| 215 | * |
| 216 | * @param device the device to remove the rules deom |
| 217 | * @param request the packet request |
| 218 | */ |
| 219 | private void removeRule(Device device, PacketRequest request) { |
Marc De Leenheer | b931137 | 2015-07-09 11:36:49 -0700 | [diff] [blame] | 220 | if (!device.type().equals(Device.Type.SWITCH)) { |
Thomas Vachuska | 27bee09 | 2015-06-23 19:03:10 -0700 | [diff] [blame] | 221 | return; |
| 222 | } |
| 223 | |
| 224 | ForwardingObjective forwarding = createBuilder(request) |
| 225 | .remove(new ObjectiveContext() { |
| 226 | @Override |
| 227 | public void onError(Objective objective, ObjectiveError error) { |
Thomas Vachuska | 88fd690 | 2015-08-04 10:08:34 -0700 | [diff] [blame] | 228 | log.warn("Failed to withdraw packet request {} from {}: {}", |
| 229 | request, device.id(), error); |
Thomas Vachuska | 27bee09 | 2015-06-23 19:03:10 -0700 | [diff] [blame] | 230 | } |
| 231 | }); |
| 232 | |
| 233 | objectiveService.forward(device.id(), forwarding); |
| 234 | } |
| 235 | |
| 236 | private DefaultForwardingObjective.Builder createBuilder(PacketRequest request) { |
| 237 | return DefaultForwardingObjective.builder() |
| 238 | .withPriority(request.priority().priorityValue()) |
| 239 | .withSelector(request.selector()) |
| 240 | .fromApp(appId) |
| 241 | .withFlag(ForwardingObjective.Flag.VERSATILE) |
| 242 | .withTreatment(DefaultTrafficTreatment.builder().punt().build()) |
| 243 | .makePermanent(); |
| 244 | } |
| 245 | |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 246 | @Override |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 247 | public void emit(OutboundPacket packet) { |
Changhoon Yoon | b856b81 | 2015-08-10 03:47:19 +0900 | [diff] [blame^] | 248 | checkPermission(PACKET_WRITE); |
tom | c370ebd | 2014-09-16 01:25:21 -0700 | [diff] [blame] | 249 | checkNotNull(packet, "Packet cannot be null"); |
Jonathan Hart | 4f60f98 | 2014-10-27 08:11:17 -0700 | [diff] [blame] | 250 | store.emit(packet); |
| 251 | } |
| 252 | |
| 253 | private void localEmit(OutboundPacket packet) { |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 254 | final Device device = deviceService.getDevice(packet.sendThrough()); |
Jonathan Hart | 7466d61 | 2014-11-24 17:09:53 -0800 | [diff] [blame] | 255 | |
| 256 | if (device == null) { |
| 257 | return; |
| 258 | } |
| 259 | |
Thomas Vachuska | 27bee09 | 2015-06-23 19:03:10 -0700 | [diff] [blame] | 260 | PacketProvider packetProvider = getProvider(device.providerId()); |
alshabib | 3d643ec | 2014-10-22 18:33:00 -0700 | [diff] [blame] | 261 | if (packetProvider != null) { |
| 262 | packetProvider.emit(packet); |
| 263 | } |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 264 | } |
| 265 | |
| 266 | @Override |
tom | c370ebd | 2014-09-16 01:25:21 -0700 | [diff] [blame] | 267 | protected PacketProviderService createProviderService(PacketProvider provider) { |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 268 | return new InternalPacketProviderService(provider); |
| 269 | } |
| 270 | |
Thomas Vachuska | 27bee09 | 2015-06-23 19:03:10 -0700 | [diff] [blame] | 271 | // Personalized packet provider service issued to the supplied provider. |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 272 | private class InternalPacketProviderService |
Thomas Vachuska | 6cba495 | 2015-04-22 12:38:22 -0700 | [diff] [blame] | 273 | extends AbstractProviderService<PacketProvider> |
| 274 | implements PacketProviderService { |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 275 | |
| 276 | protected InternalPacketProviderService(PacketProvider provider) { |
| 277 | super(provider); |
| 278 | } |
| 279 | |
| 280 | @Override |
| 281 | public void processPacket(PacketContext context) { |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 282 | // TODO filter packets sent to processors based on registrations |
alshabib | d58d352 | 2014-09-13 17:14:53 -0700 | [diff] [blame] | 283 | for (PacketProcessor processor : processors.values()) { |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 284 | processor.process(context); |
| 285 | } |
| 286 | } |
| 287 | |
| 288 | } |
Jonathan Hart | 4f60f98 | 2014-10-27 08:11:17 -0700 | [diff] [blame] | 289 | |
| 290 | /** |
| 291 | * Internal callback from the packet store. |
| 292 | */ |
Thomas Vachuska | 866b46a | 2015-04-30 00:26:55 -0700 | [diff] [blame] | 293 | private class InternalStoreDelegate implements PacketStoreDelegate { |
Jonathan Hart | 4f60f98 | 2014-10-27 08:11:17 -0700 | [diff] [blame] | 294 | @Override |
| 295 | public void notify(PacketEvent event) { |
| 296 | localEmit(event.subject()); |
| 297 | } |
| 298 | } |
| 299 | |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 300 | /** |
| 301 | * Internal listener for device service events. |
| 302 | */ |
| 303 | private class InternalDeviceListener implements DeviceListener { |
| 304 | @Override |
| 305 | public void event(DeviceEvent event) { |
Madan Jampani | c626f1e | 2015-05-29 13:53:38 -0700 | [diff] [blame] | 306 | eventHandlingExecutor.execute(() -> { |
| 307 | try { |
| 308 | Device device = event.subject(); |
| 309 | switch (event.type()) { |
| 310 | case DEVICE_ADDED: |
| 311 | case DEVICE_AVAILABILITY_CHANGED: |
| 312 | if (deviceService.isAvailable(event.subject().id())) { |
Thomas Vachuska | 88fd690 | 2015-08-04 10:08:34 -0700 | [diff] [blame] | 313 | log.debug("Pushing packet requests to device {}", event.subject().id()); |
Madan Jampani | c626f1e | 2015-05-29 13:53:38 -0700 | [diff] [blame] | 314 | for (PacketRequest request : store.existingRequests()) { |
| 315 | pushRule(device, request); |
| 316 | } |
sangho | 864a9db2 | 2015-04-28 12:06:31 -0700 | [diff] [blame] | 317 | } |
Madan Jampani | c626f1e | 2015-05-29 13:53:38 -0700 | [diff] [blame] | 318 | break; |
| 319 | default: |
| 320 | break; |
sangho | 864a9db2 | 2015-04-28 12:06:31 -0700 | [diff] [blame] | 321 | } |
Madan Jampani | c626f1e | 2015-05-29 13:53:38 -0700 | [diff] [blame] | 322 | } catch (Exception e) { |
| 323 | log.warn("Failed to process {}", event, e); |
| 324 | } |
| 325 | }); |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 326 | } |
| 327 | } |
| 328 | |
alshabib | ae85758 | 2014-09-12 23:53:10 -0700 | [diff] [blame] | 329 | } |