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