alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 1 | package org.onlab.onos.net.trivial.packet.impl; |
| 2 | |
| 3 | import static org.slf4j.LoggerFactory.getLogger; |
| 4 | |
alshabib | d58d352 | 2014-09-13 17:14:53 -0700 | [diff] [blame^] | 5 | import java.util.Map; |
| 6 | import java.util.TreeMap; |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 7 | |
| 8 | import org.apache.felix.scr.annotations.Activate; |
| 9 | import org.apache.felix.scr.annotations.Component; |
| 10 | import org.apache.felix.scr.annotations.Deactivate; |
| 11 | import org.apache.felix.scr.annotations.Reference; |
| 12 | import org.apache.felix.scr.annotations.ReferenceCardinality; |
| 13 | import org.apache.felix.scr.annotations.Service; |
| 14 | import org.onlab.onos.net.Device; |
| 15 | import org.onlab.onos.net.device.DeviceService; |
| 16 | import org.onlab.onos.net.packet.OutboundPacket; |
| 17 | import org.onlab.onos.net.packet.PacketContext; |
| 18 | import org.onlab.onos.net.packet.PacketProcessor; |
| 19 | import org.onlab.onos.net.packet.PacketProvider; |
| 20 | import org.onlab.onos.net.packet.PacketProviderRegistry; |
| 21 | import org.onlab.onos.net.packet.PacketProviderService; |
| 22 | import org.onlab.onos.net.packet.PacketService; |
| 23 | import org.onlab.onos.net.provider.AbstractProviderRegistry; |
| 24 | import org.onlab.onos.net.provider.AbstractProviderService; |
| 25 | import org.slf4j.Logger; |
| 26 | |
| 27 | |
| 28 | /** |
| 29 | * Provides a basic implementation of the packet SB & NB APIs. |
| 30 | * |
| 31 | */ |
| 32 | @Component(immediate = true) |
| 33 | @Service |
| 34 | public class SimplePacketManager |
| 35 | extends AbstractProviderRegistry<PacketProvider, PacketProviderService> |
| 36 | implements PacketService, PacketProviderRegistry { |
| 37 | |
| 38 | private final Logger log = getLogger(getClass()); |
| 39 | |
| 40 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 41 | private DeviceService deviceService; |
| 42 | |
alshabib | d58d352 | 2014-09-13 17:14:53 -0700 | [diff] [blame^] | 43 | private final Map<Integer, PacketProcessor> processors = new TreeMap<>(); |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 44 | |
| 45 | private final PacketProcessor reactiveProcessor = new ReactivePacketProcessor(); |
| 46 | |
| 47 | @Activate |
| 48 | public void activate() { |
| 49 | addProcessor(reactiveProcessor, PacketProcessor.ADVISOR_MAX + 1); |
| 50 | log.info("Started"); |
| 51 | } |
| 52 | |
| 53 | @Deactivate |
| 54 | public void deactivate() { |
| 55 | removeProcessor(reactiveProcessor); |
| 56 | log.info("Stopped"); |
| 57 | } |
| 58 | |
| 59 | @Override |
| 60 | public void addProcessor(PacketProcessor processor, int priority) { |
alshabib | d58d352 | 2014-09-13 17:14:53 -0700 | [diff] [blame^] | 61 | processors.put(priority, processor); |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 62 | } |
| 63 | |
| 64 | @Override |
| 65 | public void removeProcessor(PacketProcessor processor) { |
alshabib | d58d352 | 2014-09-13 17:14:53 -0700 | [diff] [blame^] | 66 | processors.values().remove(processor); |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 67 | } |
| 68 | |
| 69 | @Override |
| 70 | public void emit(OutboundPacket packet) { |
| 71 | final Device device = deviceService.getDevice(packet.sendThrough()); |
| 72 | final PacketProvider packetProvider = getProvider(device.providerId()); |
| 73 | packetProvider.emit(packet); |
| 74 | } |
| 75 | |
| 76 | @Override |
| 77 | protected PacketProviderService createProviderService( |
| 78 | PacketProvider provider) { |
| 79 | return new InternalPacketProviderService(provider); |
| 80 | } |
| 81 | |
| 82 | // Personalized link provider service issued to the supplied provider. |
| 83 | private class InternalPacketProviderService |
| 84 | extends AbstractProviderService<PacketProvider> |
| 85 | implements PacketProviderService { |
| 86 | |
| 87 | protected InternalPacketProviderService(PacketProvider provider) { |
| 88 | super(provider); |
| 89 | } |
| 90 | |
| 91 | @Override |
| 92 | public void processPacket(PacketContext context) { |
alshabib | d58d352 | 2014-09-13 17:14:53 -0700 | [diff] [blame^] | 93 | for (PacketProcessor processor : processors.values()) { |
alshabib | 7674db4 | 2014-09-12 23:40:46 -0700 | [diff] [blame] | 94 | processor.process(context); |
| 95 | } |
| 96 | } |
| 97 | |
| 98 | } |
alshabib | ae85758 | 2014-09-12 23:53:10 -0700 | [diff] [blame] | 99 | } |