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.DefaultFlowRule; |
| 31 | import org.onosproject.net.flow.DefaultTrafficTreatment; |
| 32 | import org.onosproject.net.flow.FlowRule; |
| 33 | import org.onosproject.net.flow.FlowRuleService; |
| 34 | import org.onosproject.net.flow.TrafficSelector; |
| 35 | import org.onosproject.net.flow.TrafficTreatment; |
alshabib | 4294778 | 2015-03-31 14:59:06 -0700 | [diff] [blame] | 36 | import org.onosproject.net.packet.DefaultPacketRequest; |
Brian O'Connor | abafb50 | 2014-12-02 22:26:20 -0800 | [diff] [blame] | 37 | import org.onosproject.net.packet.OutboundPacket; |
| 38 | import org.onosproject.net.packet.PacketContext; |
| 39 | import org.onosproject.net.packet.PacketEvent; |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 40 | import org.onosproject.net.packet.PacketPriority; |
Brian O'Connor | abafb50 | 2014-12-02 22:26:20 -0800 | [diff] [blame] | 41 | import org.onosproject.net.packet.PacketProcessor; |
| 42 | import org.onosproject.net.packet.PacketProvider; |
| 43 | import org.onosproject.net.packet.PacketProviderRegistry; |
| 44 | import org.onosproject.net.packet.PacketProviderService; |
alshabib | 4294778 | 2015-03-31 14:59:06 -0700 | [diff] [blame] | 45 | import org.onosproject.net.packet.PacketRequest; |
Brian O'Connor | abafb50 | 2014-12-02 22:26:20 -0800 | [diff] [blame] | 46 | import org.onosproject.net.packet.PacketService; |
| 47 | import org.onosproject.net.packet.PacketStore; |
| 48 | import org.onosproject.net.packet.PacketStoreDelegate; |
| 49 | import org.onosproject.net.provider.AbstractProviderRegistry; |
| 50 | import org.onosproject.net.provider.AbstractProviderService; |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 51 | import org.slf4j.Logger; |
| 52 | |
alshabib | 089bb77 | 2015-03-03 18:26:26 -0800 | [diff] [blame] | 53 | import java.util.Map; |
alshabib | 089bb77 | 2015-03-03 18:26:26 -0800 | [diff] [blame] | 54 | import java.util.concurrent.ConcurrentHashMap; |
| 55 | |
| 56 | import static com.google.common.base.Preconditions.checkNotNull; |
| 57 | import static org.slf4j.LoggerFactory.getLogger; |
| 58 | |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 59 | /** |
| 60 | * Provides a basic implementation of the packet SB & NB APIs. |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 61 | */ |
| 62 | @Component(immediate = true) |
| 63 | @Service |
tom | 202175a | 2014-09-19 19:00:11 -0700 | [diff] [blame] | 64 | public class PacketManager |
Thomas Vachuska | 6cba495 | 2015-04-22 12:38:22 -0700 | [diff] [blame^] | 65 | extends AbstractProviderRegistry<PacketProvider, PacketProviderService> |
| 66 | implements PacketService, PacketProviderRegistry { |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 67 | |
| 68 | private final Logger log = getLogger(getClass()); |
| 69 | |
Jonathan Hart | 4f60f98 | 2014-10-27 08:11:17 -0700 | [diff] [blame] | 70 | private final PacketStoreDelegate delegate = new InternalStoreDelegate(); |
| 71 | |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 72 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
Thomas Vachuska | 6cba495 | 2015-04-22 12:38:22 -0700 | [diff] [blame^] | 73 | private CoreService coreService; |
| 74 | |
| 75 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 76 | private DeviceService deviceService; |
| 77 | |
Jonathan Hart | 4f60f98 | 2014-10-27 08:11:17 -0700 | [diff] [blame] | 78 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 79 | private FlowRuleService flowService; |
| 80 | |
| 81 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
Jonathan Hart | 4f60f98 | 2014-10-27 08:11:17 -0700 | [diff] [blame] | 82 | private PacketStore store; |
| 83 | |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 84 | private final DeviceListener deviceListener = new InternalDeviceListener(); |
| 85 | |
Jonathan Hart | 4f60f98 | 2014-10-27 08:11:17 -0700 | [diff] [blame] | 86 | private final Map<Integer, PacketProcessor> processors = new ConcurrentHashMap<>(); |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 87 | |
Thomas Vachuska | 6cba495 | 2015-04-22 12:38:22 -0700 | [diff] [blame^] | 88 | private ApplicationId appId; |
| 89 | |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 90 | @Activate |
| 91 | public void activate() { |
Thomas Vachuska | 6cba495 | 2015-04-22 12:38:22 -0700 | [diff] [blame^] | 92 | appId = coreService.getAppId(CoreService.CORE_APP_NAME); |
Jonathan Hart | 4f60f98 | 2014-10-27 08:11:17 -0700 | [diff] [blame] | 93 | store.setDelegate(delegate); |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 94 | deviceService.addListener(deviceListener); |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 95 | log.info("Started"); |
| 96 | } |
| 97 | |
| 98 | @Deactivate |
| 99 | public void deactivate() { |
Jonathan Hart | 4f60f98 | 2014-10-27 08:11:17 -0700 | [diff] [blame] | 100 | store.unsetDelegate(delegate); |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 101 | deviceService.removeListener(deviceListener); |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 102 | log.info("Stopped"); |
| 103 | } |
| 104 | |
| 105 | @Override |
| 106 | public void addProcessor(PacketProcessor processor, int priority) { |
alshabib | 030111e | 2014-09-15 15:56:42 -0700 | [diff] [blame] | 107 | checkNotNull(processor, "Processor cannot be null"); |
alshabib | d58d352 | 2014-09-13 17:14:53 -0700 | [diff] [blame] | 108 | processors.put(priority, processor); |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 109 | } |
| 110 | |
| 111 | @Override |
| 112 | public void removeProcessor(PacketProcessor processor) { |
tom | c370ebd | 2014-09-16 01:25:21 -0700 | [diff] [blame] | 113 | checkNotNull(processor, "Processor cannot be null"); |
alshabib | d58d352 | 2014-09-13 17:14:53 -0700 | [diff] [blame] | 114 | processors.values().remove(processor); |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 115 | } |
| 116 | |
| 117 | @Override |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 118 | public void requestPackets(TrafficSelector selector, PacketPriority priority, |
| 119 | ApplicationId appId) { |
| 120 | checkNotNull(selector, "Selector cannot be null"); |
| 121 | checkNotNull(appId, "Application ID cannot be null"); |
| 122 | |
| 123 | PacketRequest request = |
alshabib | 4294778 | 2015-03-31 14:59:06 -0700 | [diff] [blame] | 124 | new DefaultPacketRequest(selector, priority, appId, FlowRule.Type.DEFAULT); |
Saurav Das | c313c40 | 2015-02-27 10:09:47 -0800 | [diff] [blame] | 125 | |
alshabib | 4294778 | 2015-03-31 14:59:06 -0700 | [diff] [blame] | 126 | if (store.requestPackets(request)) { |
| 127 | pushToAllDevices(request); |
| 128 | } |
Saurav Das | c313c40 | 2015-02-27 10:09:47 -0800 | [diff] [blame] | 129 | } |
| 130 | |
| 131 | @Override |
| 132 | public void requestPackets(TrafficSelector selector, PacketPriority priority, |
| 133 | ApplicationId appId, FlowRule.Type tableType) { |
| 134 | checkNotNull(selector, "Selector cannot be null"); |
| 135 | checkNotNull(appId, "Application ID cannot be null"); |
| 136 | checkNotNull(tableType, "Table Type cannot be null. For requesting packets +" |
| 137 | + "without table hints, use other methods in the packetService API"); |
| 138 | |
| 139 | PacketRequest request = |
alshabib | 4294778 | 2015-03-31 14:59:06 -0700 | [diff] [blame] | 140 | new DefaultPacketRequest(selector, priority, appId, tableType); |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 141 | |
alshabib | 4294778 | 2015-03-31 14:59:06 -0700 | [diff] [blame] | 142 | if (store.requestPackets(request)) { |
alshabib | 089bb77 | 2015-03-03 18:26:26 -0800 | [diff] [blame] | 143 | pushToAllDevices(request); |
| 144 | } |
alshabib | 4294778 | 2015-03-31 14:59:06 -0700 | [diff] [blame] | 145 | |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 146 | } |
| 147 | |
| 148 | /** |
| 149 | * Pushes a packet request flow rule to all devices. |
| 150 | * |
| 151 | * @param request the packet request |
| 152 | */ |
| 153 | private void pushToAllDevices(PacketRequest request) { |
| 154 | for (Device device : deviceService.getDevices()) { |
alshabib | 4294778 | 2015-03-31 14:59:06 -0700 | [diff] [blame] | 155 | pushRule(device, request); |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 156 | } |
| 157 | } |
| 158 | |
| 159 | /** |
| 160 | * Pushes flow rules to the device to request packets be sent to the |
| 161 | * controller. |
| 162 | * |
Thomas Vachuska | 6cba495 | 2015-04-22 12:38:22 -0700 | [diff] [blame^] | 163 | * @param device the device to push the rules to |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 164 | * @param request the packet request |
| 165 | */ |
| 166 | private void pushRule(Device device, PacketRequest request) { |
Marc De Leenheer | 8b3e80b | 2015-03-06 14:27:03 -0800 | [diff] [blame] | 167 | // Everything is pre-provisioned on ROADMs |
| 168 | if (device.type().equals(Device.Type.ROADM)) { |
| 169 | return; |
| 170 | } |
| 171 | |
Thomas Vachuska | 6cba495 | 2015-04-22 12:38:22 -0700 | [diff] [blame^] | 172 | TrafficTreatment treatment = DefaultTrafficTreatment.builder().punt().build(); |
| 173 | FlowRule flow = new DefaultFlowRule(device.id(), request.selector(), treatment, |
| 174 | request.priority().priorityValue(), |
| 175 | appId, 0, true, request.tableType()); |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 176 | |
| 177 | flowService.applyFlowRules(flow); |
| 178 | } |
| 179 | |
| 180 | @Override |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 181 | public void emit(OutboundPacket packet) { |
tom | c370ebd | 2014-09-16 01:25:21 -0700 | [diff] [blame] | 182 | checkNotNull(packet, "Packet cannot be null"); |
Jonathan Hart | 4f60f98 | 2014-10-27 08:11:17 -0700 | [diff] [blame] | 183 | |
| 184 | store.emit(packet); |
| 185 | } |
| 186 | |
| 187 | private void localEmit(OutboundPacket packet) { |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 188 | final Device device = deviceService.getDevice(packet.sendThrough()); |
Jonathan Hart | 7466d61 | 2014-11-24 17:09:53 -0800 | [diff] [blame] | 189 | |
| 190 | if (device == null) { |
| 191 | return; |
| 192 | } |
| 193 | |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 194 | final PacketProvider packetProvider = getProvider(device.providerId()); |
Jonathan Hart | 7466d61 | 2014-11-24 17:09:53 -0800 | [diff] [blame] | 195 | |
alshabib | 3d643ec | 2014-10-22 18:33:00 -0700 | [diff] [blame] | 196 | if (packetProvider != null) { |
| 197 | packetProvider.emit(packet); |
| 198 | } |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 199 | } |
| 200 | |
| 201 | @Override |
tom | c370ebd | 2014-09-16 01:25:21 -0700 | [diff] [blame] | 202 | protected PacketProviderService createProviderService(PacketProvider provider) { |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 203 | return new InternalPacketProviderService(provider); |
| 204 | } |
| 205 | |
| 206 | // Personalized link provider service issued to the supplied provider. |
| 207 | private class InternalPacketProviderService |
Thomas Vachuska | 6cba495 | 2015-04-22 12:38:22 -0700 | [diff] [blame^] | 208 | extends AbstractProviderService<PacketProvider> |
| 209 | implements PacketProviderService { |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 210 | |
| 211 | protected InternalPacketProviderService(PacketProvider provider) { |
| 212 | super(provider); |
| 213 | } |
| 214 | |
| 215 | @Override |
| 216 | public void processPacket(PacketContext context) { |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 217 | // TODO filter packets sent to processors based on registrations |
alshabib | d58d352 | 2014-09-13 17:14:53 -0700 | [diff] [blame] | 218 | for (PacketProcessor processor : processors.values()) { |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 219 | processor.process(context); |
| 220 | } |
| 221 | } |
| 222 | |
| 223 | } |
Jonathan Hart | 4f60f98 | 2014-10-27 08:11:17 -0700 | [diff] [blame] | 224 | |
| 225 | /** |
| 226 | * Internal callback from the packet store. |
| 227 | */ |
| 228 | private class InternalStoreDelegate |
Thomas Vachuska | 6cba495 | 2015-04-22 12:38:22 -0700 | [diff] [blame^] | 229 | implements PacketStoreDelegate { |
Jonathan Hart | 4f60f98 | 2014-10-27 08:11:17 -0700 | [diff] [blame] | 230 | @Override |
| 231 | public void notify(PacketEvent event) { |
| 232 | localEmit(event.subject()); |
| 233 | } |
| 234 | } |
| 235 | |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 236 | /** |
| 237 | * Internal listener for device service events. |
| 238 | */ |
| 239 | private class InternalDeviceListener implements DeviceListener { |
| 240 | @Override |
| 241 | public void event(DeviceEvent event) { |
| 242 | Device device = event.subject(); |
| 243 | if (event.type() == DeviceEvent.Type.DEVICE_ADDED) { |
alshabib | 4294778 | 2015-03-31 14:59:06 -0700 | [diff] [blame] | 244 | for (PacketRequest request : store.existingRequests()) { |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 245 | pushRule(device, request); |
| 246 | } |
| 247 | } |
| 248 | } |
| 249 | } |
| 250 | |
alshabib | ae85758 | 2014-09-12 23:53:10 -0700 | [diff] [blame] | 251 | } |