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; |
Ayaka Koshibe | 43530be | 2014-09-15 11:14:52 -0700 | [diff] [blame^] | 22 | import org.onlab.onos.of.controller.Dpid; |
tom | 5f38b3a | 2014-08-27 23:50:54 -0700 | [diff] [blame] | 23 | import org.onlab.onos.of.controller.OpenFlowController; |
Ayaka Koshibe | 1a10098 | 2014-09-13 19:32:19 -0700 | [diff] [blame] | 24 | import org.onlab.onos.of.controller.OpenFlowPacketContext; |
| 25 | import org.onlab.onos.of.controller.PacketListener; |
| 26 | import org.onlab.packet.ARP; |
| 27 | import org.onlab.packet.Ethernet; |
| 28 | import org.onlab.packet.IPAddress; |
| 29 | import org.onlab.packet.VLANID; |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 30 | import org.slf4j.Logger; |
tom | 5f38b3a | 2014-08-27 23:50:54 -0700 | [diff] [blame] | 31 | |
Ayaka Koshibe | 1a10098 | 2014-09-13 19:32:19 -0700 | [diff] [blame] | 32 | import com.google.common.collect.Sets; |
| 33 | |
tom | 5f38b3a | 2014-08-27 23:50:54 -0700 | [diff] [blame] | 34 | import static org.slf4j.LoggerFactory.getLogger; |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 35 | |
| 36 | /** |
tom | b1260e4 | 2014-08-26 18:39:57 -0700 | [diff] [blame] | 37 | * Provider which uses an OpenFlow controller to detect network |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 38 | * end-station hosts. |
| 39 | */ |
tom | b1260e4 | 2014-08-26 18:39:57 -0700 | [diff] [blame] | 40 | @Component(immediate = true) |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 41 | public class OpenFlowHostProvider extends AbstractProvider implements HostProvider { |
| 42 | |
tom | 5f38b3a | 2014-08-27 23:50:54 -0700 | [diff] [blame] | 43 | private final Logger log = getLogger(getClass()); |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 44 | |
| 45 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
tom | 96dfcab | 2014-08-28 09:26:03 -0700 | [diff] [blame] | 46 | protected HostProviderRegistry providerRegistry; |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 47 | |
tom | 5f38b3a | 2014-08-27 23:50:54 -0700 | [diff] [blame] | 48 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 49 | protected OpenFlowController controller; |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 50 | |
tom | 5f38b3a | 2014-08-27 23:50:54 -0700 | [diff] [blame] | 51 | private HostProviderService providerService; |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 52 | |
Ayaka Koshibe | 1a10098 | 2014-09-13 19:32:19 -0700 | [diff] [blame] | 53 | private final InternalHostProvider listener = new InternalHostProvider(); |
| 54 | |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 55 | /** |
| 56 | * Creates an OpenFlow host provider. |
| 57 | */ |
| 58 | public OpenFlowHostProvider() { |
tom | 578ebdc | 2014-09-11 11:12:51 -0700 | [diff] [blame] | 59 | super(new ProviderId("org.onlab.onos.provider.openflow")); |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 60 | } |
| 61 | |
| 62 | @Activate |
| 63 | public void activate() { |
tom | 96dfcab | 2014-08-28 09:26:03 -0700 | [diff] [blame] | 64 | providerService = providerRegistry.register(this); |
Ayaka Koshibe | 43530be | 2014-09-15 11:14:52 -0700 | [diff] [blame^] | 65 | controller.addPacketListener(10, listener); |
Ayaka Koshibe | 1a10098 | 2014-09-13 19:32:19 -0700 | [diff] [blame] | 66 | |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 67 | log.info("Started"); |
| 68 | } |
| 69 | |
| 70 | @Deactivate |
| 71 | public void deactivate() { |
tom | 96dfcab | 2014-08-28 09:26:03 -0700 | [diff] [blame] | 72 | providerRegistry.unregister(this); |
Ayaka Koshibe | 1a10098 | 2014-09-13 19:32:19 -0700 | [diff] [blame] | 73 | controller.removePacketListener(listener); |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 74 | providerService = null; |
Ayaka Koshibe | 1a10098 | 2014-09-13 19:32:19 -0700 | [diff] [blame] | 75 | |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 76 | log.info("Stopped"); |
| 77 | } |
| 78 | |
| 79 | @Override |
| 80 | public void triggerProbe(Host host) { |
| 81 | log.info("Triggering probe on device {}", host); |
| 82 | } |
tom | b1260e4 | 2014-08-26 18:39:57 -0700 | [diff] [blame] | 83 | |
Ayaka Koshibe | 1a10098 | 2014-09-13 19:32:19 -0700 | [diff] [blame] | 84 | private class InternalHostProvider implements PacketListener { |
| 85 | |
| 86 | @Override |
| 87 | public void handlePacket(OpenFlowPacketContext pktCtx) { |
| 88 | Ethernet eth = pktCtx.parsed(); |
| 89 | |
| 90 | // potentially a new or moved host |
| 91 | if (eth.getEtherType() == Ethernet.TYPE_ARP) { |
| 92 | VLANID vlan = VLANID.vlanId(eth.getVlanID()); |
| 93 | HostId hid = HostId.hostId( |
| 94 | eth.getSourceMAC(), vlan); |
| 95 | HostLocation hloc = new HostLocation( |
Ayaka Koshibe | 43530be | 2014-09-15 11:14:52 -0700 | [diff] [blame^] | 96 | DeviceId.deviceId(Dpid.uri(pktCtx.dpid())), |
Ayaka Koshibe | 1a10098 | 2014-09-13 19:32:19 -0700 | [diff] [blame] | 97 | PortNumber.portNumber(pktCtx.inPort()), |
| 98 | System.currentTimeMillis()); |
| 99 | ARP arp = (ARP) eth.getPayload(); |
| 100 | Set<IPAddress> ips = Sets.newHashSet(IPAddress.valueOf(arp.getSenderProtocolAddress())); |
| 101 | HostDescription hdescr = new DefaultHostDescription( |
| 102 | eth.getSourceMAC(), |
| 103 | vlan, |
| 104 | hloc, |
| 105 | ips); |
| 106 | providerService.hostDetected(hid, hdescr); |
| 107 | |
| 108 | } |
| 109 | } |
| 110 | |
| 111 | } |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 112 | } |