tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 1 | package org.onlab.onos.provider.of.host.impl; |
| 2 | |
Ayaka Koshibe | 1a10098 | 2014-09-13 19:32:19 -0700 | [diff] [blame] | 3 | import java.util.Set; |
| 4 | |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 5 | import org.apache.felix.scr.annotations.Activate; |
| 6 | import org.apache.felix.scr.annotations.Component; |
| 7 | import org.apache.felix.scr.annotations.Deactivate; |
| 8 | import org.apache.felix.scr.annotations.Reference; |
| 9 | import org.apache.felix.scr.annotations.ReferenceCardinality; |
Ayaka Koshibe | 1a10098 | 2014-09-13 19:32:19 -0700 | [diff] [blame] | 10 | import org.onlab.onos.net.DeviceId; |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 11 | import org.onlab.onos.net.Host; |
Ayaka Koshibe | 1a10098 | 2014-09-13 19:32:19 -0700 | [diff] [blame] | 12 | import org.onlab.onos.net.HostId; |
| 13 | import org.onlab.onos.net.HostLocation; |
| 14 | import org.onlab.onos.net.PortNumber; |
| 15 | import org.onlab.onos.net.host.DefaultHostDescription; |
| 16 | import org.onlab.onos.net.host.HostDescription; |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 17 | import org.onlab.onos.net.host.HostProvider; |
tom | 96dfcab | 2014-08-28 09:26:03 -0700 | [diff] [blame] | 18 | import org.onlab.onos.net.host.HostProviderRegistry; |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 19 | import org.onlab.onos.net.host.HostProviderService; |
| 20 | import org.onlab.onos.net.provider.AbstractProvider; |
| 21 | import org.onlab.onos.net.provider.ProviderId; |
tom | 5f38b3a | 2014-08-27 23:50:54 -0700 | [diff] [blame] | 22 | import org.onlab.onos.of.controller.OpenFlowController; |
Ayaka Koshibe | 1a10098 | 2014-09-13 19:32:19 -0700 | [diff] [blame] | 23 | import org.onlab.onos.of.controller.OpenFlowPacketContext; |
| 24 | import org.onlab.onos.of.controller.PacketListener; |
| 25 | import org.onlab.packet.ARP; |
| 26 | import org.onlab.packet.Ethernet; |
| 27 | import org.onlab.packet.IPAddress; |
| 28 | import org.onlab.packet.VLANID; |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 29 | import org.slf4j.Logger; |
tom | 5f38b3a | 2014-08-27 23:50:54 -0700 | [diff] [blame] | 30 | |
Ayaka Koshibe | 1a10098 | 2014-09-13 19:32:19 -0700 | [diff] [blame] | 31 | import com.google.common.collect.Sets; |
| 32 | |
tom | 5f38b3a | 2014-08-27 23:50:54 -0700 | [diff] [blame] | 33 | import static org.slf4j.LoggerFactory.getLogger; |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 34 | |
| 35 | /** |
tom | b1260e4 | 2014-08-26 18:39:57 -0700 | [diff] [blame] | 36 | * Provider which uses an OpenFlow controller to detect network |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 37 | * end-station hosts. |
| 38 | */ |
tom | b1260e4 | 2014-08-26 18:39:57 -0700 | [diff] [blame] | 39 | @Component(immediate = true) |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 40 | public class OpenFlowHostProvider extends AbstractProvider implements HostProvider { |
| 41 | |
tom | 5f38b3a | 2014-08-27 23:50:54 -0700 | [diff] [blame] | 42 | private final Logger log = getLogger(getClass()); |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 43 | |
| 44 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
tom | 96dfcab | 2014-08-28 09:26:03 -0700 | [diff] [blame] | 45 | protected HostProviderRegistry providerRegistry; |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 46 | |
tom | 5f38b3a | 2014-08-27 23:50:54 -0700 | [diff] [blame] | 47 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 48 | protected OpenFlowController controller; |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 49 | |
tom | 5f38b3a | 2014-08-27 23:50:54 -0700 | [diff] [blame] | 50 | private HostProviderService providerService; |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 51 | |
Ayaka Koshibe | 1a10098 | 2014-09-13 19:32:19 -0700 | [diff] [blame] | 52 | private final InternalHostProvider listener = new InternalHostProvider(); |
| 53 | |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 54 | /** |
| 55 | * Creates an OpenFlow host provider. |
| 56 | */ |
| 57 | public OpenFlowHostProvider() { |
tom | 578ebdc | 2014-09-11 11:12:51 -0700 | [diff] [blame] | 58 | super(new ProviderId("org.onlab.onos.provider.openflow")); |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 59 | } |
| 60 | |
| 61 | @Activate |
| 62 | public void activate() { |
tom | 96dfcab | 2014-08-28 09:26:03 -0700 | [diff] [blame] | 63 | providerService = providerRegistry.register(this); |
Ayaka Koshibe | 1a10098 | 2014-09-13 19:32:19 -0700 | [diff] [blame] | 64 | controller.addPacketListener(0, listener); |
| 65 | |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 66 | log.info("Started"); |
| 67 | } |
| 68 | |
| 69 | @Deactivate |
| 70 | public void deactivate() { |
tom | 96dfcab | 2014-08-28 09:26:03 -0700 | [diff] [blame] | 71 | providerRegistry.unregister(this); |
Ayaka Koshibe | 1a10098 | 2014-09-13 19:32:19 -0700 | [diff] [blame] | 72 | controller.removePacketListener(listener); |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 73 | providerService = null; |
Ayaka Koshibe | 1a10098 | 2014-09-13 19:32:19 -0700 | [diff] [blame] | 74 | |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 75 | log.info("Stopped"); |
| 76 | } |
| 77 | |
| 78 | @Override |
| 79 | public void triggerProbe(Host host) { |
| 80 | log.info("Triggering probe on device {}", host); |
| 81 | } |
tom | b1260e4 | 2014-08-26 18:39:57 -0700 | [diff] [blame] | 82 | |
Ayaka Koshibe | 1a10098 | 2014-09-13 19:32:19 -0700 | [diff] [blame] | 83 | private class InternalHostProvider implements PacketListener { |
| 84 | |
| 85 | @Override |
| 86 | public void handlePacket(OpenFlowPacketContext pktCtx) { |
| 87 | Ethernet eth = pktCtx.parsed(); |
| 88 | |
| 89 | // potentially a new or moved host |
| 90 | if (eth.getEtherType() == Ethernet.TYPE_ARP) { |
| 91 | VLANID vlan = VLANID.vlanId(eth.getVlanID()); |
| 92 | HostId hid = HostId.hostId( |
| 93 | eth.getSourceMAC(), vlan); |
| 94 | HostLocation hloc = new HostLocation( |
| 95 | DeviceId.deviceId("of:" + Long.toHexString(pktCtx.dpid().value())), |
| 96 | PortNumber.portNumber(pktCtx.inPort()), |
| 97 | System.currentTimeMillis()); |
| 98 | ARP arp = (ARP) eth.getPayload(); |
| 99 | Set<IPAddress> ips = Sets.newHashSet(IPAddress.valueOf(arp.getSenderProtocolAddress())); |
| 100 | HostDescription hdescr = new DefaultHostDescription( |
| 101 | eth.getSourceMAC(), |
| 102 | vlan, |
| 103 | hloc, |
| 104 | ips); |
| 105 | providerService.hostDetected(hid, hdescr); |
| 106 | |
| 107 | } |
| 108 | } |
| 109 | |
| 110 | } |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 111 | } |