Thomas Vachuska | 4f1a60c | 2014-10-28 13:39:07 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2014 Open Networking Laboratory |
| 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; |
Brian O'Connor | abafb50 | 2014-12-02 22:26:20 -0800 | [diff] [blame] | 25 | import org.onosproject.net.Device; |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 26 | import org.onosproject.net.device.DeviceEvent; |
| 27 | import org.onosproject.net.device.DeviceListener; |
Brian O'Connor | abafb50 | 2014-12-02 22:26:20 -0800 | [diff] [blame] | 28 | import org.onosproject.net.device.DeviceService; |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 29 | import org.onosproject.net.flow.DefaultFlowRule; |
| 30 | import org.onosproject.net.flow.DefaultTrafficTreatment; |
| 31 | import org.onosproject.net.flow.FlowRule; |
| 32 | import org.onosproject.net.flow.FlowRuleService; |
| 33 | import org.onosproject.net.flow.TrafficSelector; |
| 34 | import org.onosproject.net.flow.TrafficTreatment; |
alshabib | 4294778 | 2015-03-31 14:59:06 -0700 | [diff] [blame^] | 35 | import org.onosproject.net.packet.DefaultPacketRequest; |
Brian O'Connor | abafb50 | 2014-12-02 22:26:20 -0800 | [diff] [blame] | 36 | import org.onosproject.net.packet.OutboundPacket; |
| 37 | import org.onosproject.net.packet.PacketContext; |
| 38 | import org.onosproject.net.packet.PacketEvent; |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 39 | import org.onosproject.net.packet.PacketPriority; |
Brian O'Connor | abafb50 | 2014-12-02 22:26:20 -0800 | [diff] [blame] | 40 | import org.onosproject.net.packet.PacketProcessor; |
| 41 | import org.onosproject.net.packet.PacketProvider; |
| 42 | import org.onosproject.net.packet.PacketProviderRegistry; |
| 43 | import org.onosproject.net.packet.PacketProviderService; |
alshabib | 4294778 | 2015-03-31 14:59:06 -0700 | [diff] [blame^] | 44 | import org.onosproject.net.packet.PacketRequest; |
Brian O'Connor | abafb50 | 2014-12-02 22:26:20 -0800 | [diff] [blame] | 45 | import org.onosproject.net.packet.PacketService; |
| 46 | import org.onosproject.net.packet.PacketStore; |
| 47 | import org.onosproject.net.packet.PacketStoreDelegate; |
| 48 | import org.onosproject.net.provider.AbstractProviderRegistry; |
| 49 | import org.onosproject.net.provider.AbstractProviderService; |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 50 | import org.slf4j.Logger; |
| 51 | |
alshabib | 089bb77 | 2015-03-03 18:26:26 -0800 | [diff] [blame] | 52 | import java.util.Map; |
alshabib | 089bb77 | 2015-03-03 18:26:26 -0800 | [diff] [blame] | 53 | import java.util.concurrent.ConcurrentHashMap; |
| 54 | |
| 55 | import static com.google.common.base.Preconditions.checkNotNull; |
| 56 | import static org.slf4j.LoggerFactory.getLogger; |
| 57 | |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 58 | /** |
| 59 | * Provides a basic implementation of the packet SB & NB APIs. |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 60 | */ |
| 61 | @Component(immediate = true) |
| 62 | @Service |
tom | 202175a | 2014-09-19 19:00:11 -0700 | [diff] [blame] | 63 | public class PacketManager |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 64 | extends AbstractProviderRegistry<PacketProvider, PacketProviderService> |
| 65 | implements PacketService, PacketProviderRegistry { |
| 66 | |
| 67 | private final Logger log = getLogger(getClass()); |
| 68 | |
Jonathan Hart | 4f60f98 | 2014-10-27 08:11:17 -0700 | [diff] [blame] | 69 | private final PacketStoreDelegate delegate = new InternalStoreDelegate(); |
| 70 | |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 71 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 72 | private DeviceService deviceService; |
| 73 | |
Jonathan Hart | 4f60f98 | 2014-10-27 08:11:17 -0700 | [diff] [blame] | 74 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 75 | private FlowRuleService flowService; |
| 76 | |
| 77 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
Jonathan Hart | 4f60f98 | 2014-10-27 08:11:17 -0700 | [diff] [blame] | 78 | private PacketStore store; |
| 79 | |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 80 | private final DeviceListener deviceListener = new InternalDeviceListener(); |
| 81 | |
Jonathan Hart | 4f60f98 | 2014-10-27 08:11:17 -0700 | [diff] [blame] | 82 | private final Map<Integer, PacketProcessor> processors = new ConcurrentHashMap<>(); |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 83 | |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 84 | @Activate |
| 85 | public void activate() { |
Jonathan Hart | 4f60f98 | 2014-10-27 08:11:17 -0700 | [diff] [blame] | 86 | store.setDelegate(delegate); |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 87 | deviceService.addListener(deviceListener); |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 88 | log.info("Started"); |
| 89 | } |
| 90 | |
| 91 | @Deactivate |
| 92 | public void deactivate() { |
Jonathan Hart | 4f60f98 | 2014-10-27 08:11:17 -0700 | [diff] [blame] | 93 | store.unsetDelegate(delegate); |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 94 | deviceService.removeListener(deviceListener); |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 95 | log.info("Stopped"); |
| 96 | } |
| 97 | |
| 98 | @Override |
| 99 | public void addProcessor(PacketProcessor processor, int priority) { |
alshabib | 030111e | 2014-09-15 15:56:42 -0700 | [diff] [blame] | 100 | checkNotNull(processor, "Processor cannot be null"); |
alshabib | d58d352 | 2014-09-13 17:14:53 -0700 | [diff] [blame] | 101 | processors.put(priority, processor); |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 102 | } |
| 103 | |
| 104 | @Override |
| 105 | public void removeProcessor(PacketProcessor processor) { |
tom | c370ebd | 2014-09-16 01:25:21 -0700 | [diff] [blame] | 106 | checkNotNull(processor, "Processor cannot be null"); |
alshabib | d58d352 | 2014-09-13 17:14:53 -0700 | [diff] [blame] | 107 | processors.values().remove(processor); |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 108 | } |
| 109 | |
| 110 | @Override |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 111 | public void requestPackets(TrafficSelector selector, PacketPriority priority, |
| 112 | ApplicationId appId) { |
| 113 | checkNotNull(selector, "Selector cannot be null"); |
| 114 | checkNotNull(appId, "Application ID cannot be null"); |
| 115 | |
| 116 | PacketRequest request = |
alshabib | 4294778 | 2015-03-31 14:59:06 -0700 | [diff] [blame^] | 117 | new DefaultPacketRequest(selector, priority, appId, FlowRule.Type.DEFAULT); |
Saurav Das | c313c40 | 2015-02-27 10:09:47 -0800 | [diff] [blame] | 118 | |
alshabib | 4294778 | 2015-03-31 14:59:06 -0700 | [diff] [blame^] | 119 | if (store.requestPackets(request)) { |
| 120 | pushToAllDevices(request); |
| 121 | } |
Saurav Das | c313c40 | 2015-02-27 10:09:47 -0800 | [diff] [blame] | 122 | } |
| 123 | |
| 124 | @Override |
| 125 | public void requestPackets(TrafficSelector selector, PacketPriority priority, |
| 126 | ApplicationId appId, FlowRule.Type tableType) { |
| 127 | checkNotNull(selector, "Selector cannot be null"); |
| 128 | checkNotNull(appId, "Application ID cannot be null"); |
| 129 | checkNotNull(tableType, "Table Type cannot be null. For requesting packets +" |
| 130 | + "without table hints, use other methods in the packetService API"); |
| 131 | |
| 132 | PacketRequest request = |
alshabib | 4294778 | 2015-03-31 14:59:06 -0700 | [diff] [blame^] | 133 | new DefaultPacketRequest(selector, priority, appId, tableType); |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 134 | |
alshabib | 4294778 | 2015-03-31 14:59:06 -0700 | [diff] [blame^] | 135 | if (store.requestPackets(request)) { |
alshabib | 089bb77 | 2015-03-03 18:26:26 -0800 | [diff] [blame] | 136 | pushToAllDevices(request); |
| 137 | } |
alshabib | 4294778 | 2015-03-31 14:59:06 -0700 | [diff] [blame^] | 138 | |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 139 | } |
| 140 | |
| 141 | /** |
| 142 | * Pushes a packet request flow rule to all devices. |
| 143 | * |
| 144 | * @param request the packet request |
| 145 | */ |
| 146 | private void pushToAllDevices(PacketRequest request) { |
| 147 | for (Device device : deviceService.getDevices()) { |
alshabib | 4294778 | 2015-03-31 14:59:06 -0700 | [diff] [blame^] | 148 | pushRule(device, request); |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 149 | } |
| 150 | } |
| 151 | |
| 152 | /** |
| 153 | * Pushes flow rules to the device to request packets be sent to the |
| 154 | * controller. |
| 155 | * |
| 156 | * @param device the device to push the rules to |
| 157 | * @param request the packet request |
| 158 | */ |
| 159 | private void pushRule(Device device, PacketRequest request) { |
Marc De Leenheer | 8b3e80b | 2015-03-06 14:27:03 -0800 | [diff] [blame] | 160 | // Everything is pre-provisioned on ROADMs |
| 161 | if (device.type().equals(Device.Type.ROADM)) { |
| 162 | return; |
| 163 | } |
| 164 | |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 165 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 166 | .punt() |
| 167 | .build(); |
| 168 | |
| 169 | FlowRule flow = new DefaultFlowRule(device.id(), |
| 170 | request.selector(), |
| 171 | treatment, |
| 172 | request.priority().priorityValue(), |
| 173 | request.appId(), |
Saurav Das | c313c40 | 2015-02-27 10:09:47 -0800 | [diff] [blame] | 174 | 0, true, request.tableType()); |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 175 | |
| 176 | flowService.applyFlowRules(flow); |
| 177 | } |
| 178 | |
| 179 | @Override |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 180 | public void emit(OutboundPacket packet) { |
tom | c370ebd | 2014-09-16 01:25:21 -0700 | [diff] [blame] | 181 | checkNotNull(packet, "Packet cannot be null"); |
Jonathan Hart | 4f60f98 | 2014-10-27 08:11:17 -0700 | [diff] [blame] | 182 | |
| 183 | store.emit(packet); |
| 184 | } |
| 185 | |
| 186 | private void localEmit(OutboundPacket packet) { |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 187 | final Device device = deviceService.getDevice(packet.sendThrough()); |
Jonathan Hart | 7466d61 | 2014-11-24 17:09:53 -0800 | [diff] [blame] | 188 | |
| 189 | if (device == null) { |
| 190 | return; |
| 191 | } |
| 192 | |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 193 | final PacketProvider packetProvider = getProvider(device.providerId()); |
Jonathan Hart | 7466d61 | 2014-11-24 17:09:53 -0800 | [diff] [blame] | 194 | |
alshabib | 3d643ec | 2014-10-22 18:33:00 -0700 | [diff] [blame] | 195 | if (packetProvider != null) { |
| 196 | packetProvider.emit(packet); |
| 197 | } |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 198 | } |
| 199 | |
| 200 | @Override |
tom | c370ebd | 2014-09-16 01:25:21 -0700 | [diff] [blame] | 201 | protected PacketProviderService createProviderService(PacketProvider provider) { |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 202 | return new InternalPacketProviderService(provider); |
| 203 | } |
| 204 | |
| 205 | // Personalized link provider service issued to the supplied provider. |
| 206 | private class InternalPacketProviderService |
| 207 | extends AbstractProviderService<PacketProvider> |
| 208 | implements PacketProviderService { |
| 209 | |
| 210 | protected InternalPacketProviderService(PacketProvider provider) { |
| 211 | super(provider); |
| 212 | } |
| 213 | |
| 214 | @Override |
| 215 | public void processPacket(PacketContext context) { |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 216 | // TODO filter packets sent to processors based on registrations |
alshabib | d58d352 | 2014-09-13 17:14:53 -0700 | [diff] [blame] | 217 | for (PacketProcessor processor : processors.values()) { |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 218 | processor.process(context); |
| 219 | } |
| 220 | } |
| 221 | |
| 222 | } |
Jonathan Hart | 4f60f98 | 2014-10-27 08:11:17 -0700 | [diff] [blame] | 223 | |
| 224 | /** |
| 225 | * Internal callback from the packet store. |
| 226 | */ |
| 227 | private class InternalStoreDelegate |
| 228 | implements PacketStoreDelegate { |
| 229 | @Override |
| 230 | public void notify(PacketEvent event) { |
| 231 | localEmit(event.subject()); |
| 232 | } |
| 233 | } |
| 234 | |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 235 | /** |
| 236 | * Internal listener for device service events. |
| 237 | */ |
| 238 | private class InternalDeviceListener implements DeviceListener { |
| 239 | @Override |
| 240 | public void event(DeviceEvent event) { |
| 241 | Device device = event.subject(); |
| 242 | if (event.type() == DeviceEvent.Type.DEVICE_ADDED) { |
alshabib | 4294778 | 2015-03-31 14:59:06 -0700 | [diff] [blame^] | 243 | for (PacketRequest request : store.existingRequests()) { |
Jonathan Hart | 3cfce8e | 2015-01-14 16:43:27 -0800 | [diff] [blame] | 244 | pushRule(device, request); |
| 245 | } |
| 246 | } |
| 247 | } |
| 248 | } |
| 249 | |
alshabib | ae85758 | 2014-09-12 23:53:10 -0700 | [diff] [blame] | 250 | } |