alshabib | ae85758 | 2014-09-12 23:53:10 -0700 | [diff] [blame] | 1 | package org.onlab.onos.provider.of.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.nio.ByteBuffer; |
| 6 | |
alshabib | ae85758 | 2014-09-12 23:53:10 -0700 | [diff] [blame] | 7 | import org.apache.felix.scr.annotations.Activate; |
| 8 | import org.apache.felix.scr.annotations.Component; |
| 9 | import org.apache.felix.scr.annotations.Deactivate; |
| 10 | import org.apache.felix.scr.annotations.Reference; |
| 11 | import org.apache.felix.scr.annotations.ReferenceCardinality; |
alshabib | d58d352 | 2014-09-13 17:14:53 -0700 | [diff] [blame] | 12 | import org.onlab.onos.net.ConnectPoint; |
| 13 | import org.onlab.onos.net.DeviceId; |
| 14 | import org.onlab.onos.net.PortNumber; |
| 15 | import org.onlab.onos.net.packet.DefaultInboundPacket; |
alshabib | ae85758 | 2014-09-12 23:53:10 -0700 | [diff] [blame] | 16 | import org.onlab.onos.net.packet.OutboundPacket; |
| 17 | import org.onlab.onos.net.packet.PacketProvider; |
| 18 | import org.onlab.onos.net.packet.PacketProviderRegistry; |
| 19 | import org.onlab.onos.net.packet.PacketProviderService; |
| 20 | import org.onlab.onos.net.provider.AbstractProvider; |
| 21 | import org.onlab.onos.net.provider.ProviderId; |
alshabib | d58d352 | 2014-09-13 17:14:53 -0700 | [diff] [blame] | 22 | import org.onlab.onos.of.controller.Dpid; |
alshabib | ae85758 | 2014-09-12 23:53:10 -0700 | [diff] [blame] | 23 | import org.onlab.onos.of.controller.OpenFlowController; |
| 24 | import org.onlab.onos.of.controller.OpenFlowPacketContext; |
| 25 | import org.onlab.onos.of.controller.PacketListener; |
| 26 | import org.slf4j.Logger; |
| 27 | |
| 28 | /** |
| 29 | * Provider which uses an OpenFlow controller to detect network |
| 30 | * infrastructure links. |
| 31 | */ |
| 32 | @Component(immediate = true) |
| 33 | public class OpenFlowPacketProvider extends AbstractProvider implements PacketProvider { |
| 34 | |
| 35 | private final Logger log = getLogger(getClass()); |
| 36 | |
| 37 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 38 | protected PacketProviderRegistry providerRegistry; |
| 39 | |
| 40 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 41 | protected OpenFlowController controller; |
| 42 | |
| 43 | private PacketProviderService providerService; |
| 44 | |
alshabib | ae85758 | 2014-09-12 23:53:10 -0700 | [diff] [blame] | 45 | private final InternalPacketProvider listener = new InternalPacketProvider(); |
| 46 | |
alshabib | ae85758 | 2014-09-12 23:53:10 -0700 | [diff] [blame] | 47 | /** |
| 48 | * Creates an OpenFlow link provider. |
| 49 | */ |
| 50 | public OpenFlowPacketProvider() { |
| 51 | super(new ProviderId("org.onlab.onos.provider.openflow")); |
| 52 | } |
| 53 | |
| 54 | @Activate |
| 55 | public void activate() { |
| 56 | providerService = providerRegistry.register(this); |
alshabib | 8aef1ad | 2014-09-15 17:47:31 -0700 | [diff] [blame] | 57 | controller.addPacketListener(20, listener); |
alshabib | ae85758 | 2014-09-12 23:53:10 -0700 | [diff] [blame] | 58 | log.info("Started"); |
| 59 | } |
| 60 | |
| 61 | @Deactivate |
| 62 | public void deactivate() { |
| 63 | providerRegistry.unregister(this); |
| 64 | controller.removePacketListener(listener); |
| 65 | providerService = null; |
| 66 | log.info("Stopped"); |
| 67 | } |
| 68 | |
| 69 | @Override |
| 70 | public void emit(OutboundPacket packet) { |
alshabib | ae85758 | 2014-09-12 23:53:10 -0700 | [diff] [blame] | 71 | |
| 72 | } |
| 73 | |
| 74 | |
alshabib | d58d352 | 2014-09-13 17:14:53 -0700 | [diff] [blame] | 75 | /** |
| 76 | * Internal Packet Provider implementation. |
| 77 | * |
| 78 | */ |
alshabib | ae85758 | 2014-09-12 23:53:10 -0700 | [diff] [blame] | 79 | private class InternalPacketProvider implements PacketListener { |
| 80 | |
alshabib | ae85758 | 2014-09-12 23:53:10 -0700 | [diff] [blame] | 81 | @Override |
| 82 | public void handlePacket(OpenFlowPacketContext pktCtx) { |
alshabib | d58d352 | 2014-09-13 17:14:53 -0700 | [diff] [blame] | 83 | DeviceId id = DeviceId.deviceId(Dpid.uri(pktCtx.dpid().value())); |
alshabib | ae85758 | 2014-09-12 23:53:10 -0700 | [diff] [blame] | 84 | |
alshabib | d58d352 | 2014-09-13 17:14:53 -0700 | [diff] [blame] | 85 | DefaultInboundPacket inPkt = new DefaultInboundPacket( |
| 86 | new ConnectPoint(id, PortNumber.portNumber(pktCtx.inPort())), |
| 87 | pktCtx.parsed(), ByteBuffer.wrap(pktCtx.unparsed())); |
alshabib | ae85758 | 2014-09-12 23:53:10 -0700 | [diff] [blame] | 88 | |
alshabib | d58d352 | 2014-09-13 17:14:53 -0700 | [diff] [blame] | 89 | OpenFlowCorePacketContext corePktCtx = |
alshabib | 9842a4e | 2014-09-16 21:42:35 -0700 | [diff] [blame] | 90 | new OpenFlowCorePacketContext(System.currentTimeMillis(), |
| 91 | inPkt, null, pktCtx.isHandled(), pktCtx); |
alshabib | d58d352 | 2014-09-13 17:14:53 -0700 | [diff] [blame] | 92 | providerService.processPacket(corePktCtx); |
alshabib | ae85758 | 2014-09-12 23:53:10 -0700 | [diff] [blame] | 93 | } |
| 94 | |
| 95 | } |
| 96 | |
| 97 | |
| 98 | } |