tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 1 | package org.onlab.onos.provider.of.host.impl; |
| 2 | |
alshabib | 8aef1ad | 2014-09-15 17:47:31 -0700 | [diff] [blame] | 3 | import static com.google.common.collect.Sets.newHashSet; |
| 4 | import static org.onlab.onos.net.DeviceId.deviceId; |
| 5 | import static org.onlab.onos.net.PortNumber.portNumber; |
| 6 | import static org.slf4j.LoggerFactory.getLogger; |
| 7 | |
| 8 | import java.util.Set; |
| 9 | |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 10 | import org.apache.felix.scr.annotations.Activate; |
| 11 | import org.apache.felix.scr.annotations.Component; |
| 12 | import org.apache.felix.scr.annotations.Deactivate; |
| 13 | import org.apache.felix.scr.annotations.Reference; |
| 14 | import org.apache.felix.scr.annotations.ReferenceCardinality; |
tom | 025e09f | 2014-09-15 15:29:24 -0700 | [diff] [blame] | 15 | import org.onlab.onos.net.ConnectPoint; |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 16 | import org.onlab.onos.net.Host; |
Ayaka Koshibe | 1a10098 | 2014-09-13 19:32:19 -0700 | [diff] [blame] | 17 | import org.onlab.onos.net.HostId; |
| 18 | import org.onlab.onos.net.HostLocation; |
Ayaka Koshibe | 1a10098 | 2014-09-13 19:32:19 -0700 | [diff] [blame] | 19 | import org.onlab.onos.net.host.DefaultHostDescription; |
| 20 | import org.onlab.onos.net.host.HostDescription; |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 21 | import org.onlab.onos.net.host.HostProvider; |
tom | 96dfcab | 2014-08-28 09:26:03 -0700 | [diff] [blame] | 22 | import org.onlab.onos.net.host.HostProviderRegistry; |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 23 | import org.onlab.onos.net.host.HostProviderService; |
| 24 | import org.onlab.onos.net.provider.AbstractProvider; |
| 25 | import org.onlab.onos.net.provider.ProviderId; |
tom | 025e09f | 2014-09-15 15:29:24 -0700 | [diff] [blame] | 26 | import org.onlab.onos.net.topology.Topology; |
| 27 | import org.onlab.onos.net.topology.TopologyService; |
tom | 9c94c5b | 2014-09-17 13:14:42 -0700 | [diff] [blame] | 28 | import org.onlab.onos.openflow.controller.Dpid; |
| 29 | import org.onlab.onos.openflow.controller.OpenFlowController; |
| 30 | import org.onlab.onos.openflow.controller.OpenFlowPacketContext; |
| 31 | import org.onlab.onos.openflow.controller.PacketListener; |
Ayaka Koshibe | 1a10098 | 2014-09-13 19:32:19 -0700 | [diff] [blame] | 32 | import org.onlab.packet.ARP; |
| 33 | import org.onlab.packet.Ethernet; |
Ayaka Koshibe | a9c199f | 2014-09-16 16:21:40 -0700 | [diff] [blame] | 34 | import org.onlab.packet.IpAddress; |
| 35 | import org.onlab.packet.VlanId; |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 36 | import org.slf4j.Logger; |
tom | 5f38b3a | 2014-08-27 23:50:54 -0700 | [diff] [blame] | 37 | |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 38 | /** |
tom | b1260e4 | 2014-08-26 18:39:57 -0700 | [diff] [blame] | 39 | * Provider which uses an OpenFlow controller to detect network |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 40 | * end-station hosts. |
| 41 | */ |
tom | b1260e4 | 2014-08-26 18:39:57 -0700 | [diff] [blame] | 42 | @Component(immediate = true) |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 43 | public class OpenFlowHostProvider extends AbstractProvider implements HostProvider { |
| 44 | |
tom | 5f38b3a | 2014-08-27 23:50:54 -0700 | [diff] [blame] | 45 | private final Logger log = getLogger(getClass()); |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 46 | |
| 47 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
tom | 96dfcab | 2014-08-28 09:26:03 -0700 | [diff] [blame] | 48 | protected HostProviderRegistry providerRegistry; |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 49 | |
tom | 5f38b3a | 2014-08-27 23:50:54 -0700 | [diff] [blame] | 50 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 51 | protected OpenFlowController controller; |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 52 | |
tom | 025e09f | 2014-09-15 15:29:24 -0700 | [diff] [blame] | 53 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 54 | protected TopologyService topologyService; |
| 55 | |
tom | 5f38b3a | 2014-08-27 23:50:54 -0700 | [diff] [blame] | 56 | private HostProviderService providerService; |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 57 | |
Ayaka Koshibe | 1a10098 | 2014-09-13 19:32:19 -0700 | [diff] [blame] | 58 | private final InternalHostProvider listener = new InternalHostProvider(); |
| 59 | |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 60 | /** |
| 61 | * Creates an OpenFlow host provider. |
| 62 | */ |
| 63 | public OpenFlowHostProvider() { |
tom | 7e02cda | 2014-09-18 12:05:46 -0700 | [diff] [blame] | 64 | super(new ProviderId("of", "org.onlab.onos.provider.openflow")); |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 65 | } |
| 66 | |
| 67 | @Activate |
| 68 | public void activate() { |
tom | 96dfcab | 2014-08-28 09:26:03 -0700 | [diff] [blame] | 69 | providerService = providerRegistry.register(this); |
Ayaka Koshibe | 43530be | 2014-09-15 11:14:52 -0700 | [diff] [blame] | 70 | controller.addPacketListener(10, listener); |
Ayaka Koshibe | 1a10098 | 2014-09-13 19:32:19 -0700 | [diff] [blame] | 71 | |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 72 | log.info("Started"); |
| 73 | } |
| 74 | |
| 75 | @Deactivate |
| 76 | public void deactivate() { |
tom | 96dfcab | 2014-08-28 09:26:03 -0700 | [diff] [blame] | 77 | providerRegistry.unregister(this); |
Ayaka Koshibe | 1a10098 | 2014-09-13 19:32:19 -0700 | [diff] [blame] | 78 | controller.removePacketListener(listener); |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 79 | providerService = null; |
Ayaka Koshibe | 1a10098 | 2014-09-13 19:32:19 -0700 | [diff] [blame] | 80 | |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 81 | log.info("Stopped"); |
| 82 | } |
| 83 | |
| 84 | @Override |
| 85 | public void triggerProbe(Host host) { |
| 86 | log.info("Triggering probe on device {}", host); |
| 87 | } |
tom | b1260e4 | 2014-08-26 18:39:57 -0700 | [diff] [blame] | 88 | |
Ayaka Koshibe | 1a10098 | 2014-09-13 19:32:19 -0700 | [diff] [blame] | 89 | private class InternalHostProvider implements PacketListener { |
| 90 | |
| 91 | @Override |
| 92 | public void handlePacket(OpenFlowPacketContext pktCtx) { |
| 93 | Ethernet eth = pktCtx.parsed(); |
| 94 | |
tom | 025e09f | 2014-09-15 15:29:24 -0700 | [diff] [blame] | 95 | // Potentially a new or moved host |
Ayaka Koshibe | 1a10098 | 2014-09-13 19:32:19 -0700 | [diff] [blame] | 96 | if (eth.getEtherType() == Ethernet.TYPE_ARP) { |
Ayaka Koshibe | a9c199f | 2014-09-16 16:21:40 -0700 | [diff] [blame] | 97 | VlanId vlan = VlanId.vlanId(eth.getVlanID()); |
tom | 025e09f | 2014-09-15 15:29:24 -0700 | [diff] [blame] | 98 | ConnectPoint heardOn = new ConnectPoint(deviceId(Dpid.uri(pktCtx.dpid())), |
alshabib | 8aef1ad | 2014-09-15 17:47:31 -0700 | [diff] [blame] | 99 | portNumber(pktCtx.inPort())); |
tom | 025e09f | 2014-09-15 15:29:24 -0700 | [diff] [blame] | 100 | |
| 101 | // If this is not an edge port, bail out. |
| 102 | Topology topology = topologyService.currentTopology(); |
| 103 | if (topologyService.isInfrastructure(topology, heardOn)) { |
| 104 | return; |
| 105 | } |
| 106 | |
| 107 | HostLocation hloc = new HostLocation(deviceId(Dpid.uri(pktCtx.dpid())), |
alshabib | 8aef1ad | 2014-09-15 17:47:31 -0700 | [diff] [blame] | 108 | portNumber(pktCtx.inPort()), |
| 109 | System.currentTimeMillis()); |
tom | 025e09f | 2014-09-15 15:29:24 -0700 | [diff] [blame] | 110 | |
| 111 | HostId hid = HostId.hostId(eth.getSourceMAC(), vlan); |
Ayaka Koshibe | 1a10098 | 2014-09-13 19:32:19 -0700 | [diff] [blame] | 112 | ARP arp = (ARP) eth.getPayload(); |
Ayaka Koshibe | a9c199f | 2014-09-16 16:21:40 -0700 | [diff] [blame] | 113 | Set<IpAddress> ips = newHashSet(IpAddress.valueOf(arp.getSenderProtocolAddress())); |
tom | 025e09f | 2014-09-15 15:29:24 -0700 | [diff] [blame] | 114 | HostDescription hdescr = |
| 115 | new DefaultHostDescription(eth.getSourceMAC(), vlan, hloc, ips); |
Ayaka Koshibe | 1a10098 | 2014-09-13 19:32:19 -0700 | [diff] [blame] | 116 | providerService.hostDetected(hid, hdescr); |
| 117 | |
| 118 | } |
tom | 025e09f | 2014-09-15 15:29:24 -0700 | [diff] [blame] | 119 | |
| 120 | // TODO: Use DHCP packets as well later... |
Ayaka Koshibe | 1a10098 | 2014-09-13 19:32:19 -0700 | [diff] [blame] | 121 | } |
| 122 | |
| 123 | } |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 124 | } |