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; |
alshabib | 0ff17ad | 2014-09-30 09:46:40 -0700 | [diff] [blame^] | 34 | import org.onlab.packet.IPv4; |
Ayaka Koshibe | 1d56fe4 | 2014-09-19 16:51:58 -0700 | [diff] [blame] | 35 | import org.onlab.packet.IpPrefix; |
Ayaka Koshibe | a9c199f | 2014-09-16 16:21:40 -0700 | [diff] [blame] | 36 | import org.onlab.packet.VlanId; |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 37 | import org.slf4j.Logger; |
tom | 5f38b3a | 2014-08-27 23:50:54 -0700 | [diff] [blame] | 38 | |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 39 | /** |
tom | b1260e4 | 2014-08-26 18:39:57 -0700 | [diff] [blame] | 40 | * Provider which uses an OpenFlow controller to detect network |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 41 | * end-station hosts. |
| 42 | */ |
tom | b1260e4 | 2014-08-26 18:39:57 -0700 | [diff] [blame] | 43 | @Component(immediate = true) |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 44 | public class OpenFlowHostProvider extends AbstractProvider implements HostProvider { |
| 45 | |
tom | 5f38b3a | 2014-08-27 23:50:54 -0700 | [diff] [blame] | 46 | private final Logger log = getLogger(getClass()); |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 47 | |
| 48 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
tom | 96dfcab | 2014-08-28 09:26:03 -0700 | [diff] [blame] | 49 | protected HostProviderRegistry providerRegistry; |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 50 | |
tom | 5f38b3a | 2014-08-27 23:50:54 -0700 | [diff] [blame] | 51 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 52 | protected OpenFlowController controller; |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 53 | |
tom | 025e09f | 2014-09-15 15:29:24 -0700 | [diff] [blame] | 54 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 55 | protected TopologyService topologyService; |
| 56 | |
tom | 5f38b3a | 2014-08-27 23:50:54 -0700 | [diff] [blame] | 57 | private HostProviderService providerService; |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 58 | |
Ayaka Koshibe | 1a10098 | 2014-09-13 19:32:19 -0700 | [diff] [blame] | 59 | private final InternalHostProvider listener = new InternalHostProvider(); |
| 60 | |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 61 | /** |
| 62 | * Creates an OpenFlow host provider. |
| 63 | */ |
| 64 | public OpenFlowHostProvider() { |
tom | 7e02cda | 2014-09-18 12:05:46 -0700 | [diff] [blame] | 65 | super(new ProviderId("of", "org.onlab.onos.provider.openflow")); |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 66 | } |
| 67 | |
| 68 | @Activate |
| 69 | public void activate() { |
tom | 96dfcab | 2014-08-28 09:26:03 -0700 | [diff] [blame] | 70 | providerService = providerRegistry.register(this); |
Ayaka Koshibe | 43530be | 2014-09-15 11:14:52 -0700 | [diff] [blame] | 71 | controller.addPacketListener(10, listener); |
Ayaka Koshibe | 1a10098 | 2014-09-13 19:32:19 -0700 | [diff] [blame] | 72 | |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 73 | log.info("Started"); |
| 74 | } |
| 75 | |
| 76 | @Deactivate |
| 77 | public void deactivate() { |
tom | 96dfcab | 2014-08-28 09:26:03 -0700 | [diff] [blame] | 78 | providerRegistry.unregister(this); |
Ayaka Koshibe | 1a10098 | 2014-09-13 19:32:19 -0700 | [diff] [blame] | 79 | controller.removePacketListener(listener); |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 80 | providerService = null; |
Ayaka Koshibe | 1a10098 | 2014-09-13 19:32:19 -0700 | [diff] [blame] | 81 | |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 82 | log.info("Stopped"); |
| 83 | } |
| 84 | |
| 85 | @Override |
| 86 | public void triggerProbe(Host host) { |
| 87 | log.info("Triggering probe on device {}", host); |
| 88 | } |
tom | b1260e4 | 2014-08-26 18:39:57 -0700 | [diff] [blame] | 89 | |
Ayaka Koshibe | 1a10098 | 2014-09-13 19:32:19 -0700 | [diff] [blame] | 90 | private class InternalHostProvider implements PacketListener { |
| 91 | |
| 92 | @Override |
| 93 | public void handlePacket(OpenFlowPacketContext pktCtx) { |
| 94 | Ethernet eth = pktCtx.parsed(); |
| 95 | |
alshabib | 0ff17ad | 2014-09-30 09:46:40 -0700 | [diff] [blame^] | 96 | VlanId vlan = VlanId.vlanId(eth.getVlanID()); |
| 97 | ConnectPoint heardOn = new ConnectPoint(deviceId(Dpid.uri(pktCtx.dpid())), |
| 98 | portNumber(pktCtx.inPort())); |
| 99 | |
| 100 | // If this is not an edge port, bail out. |
| 101 | Topology topology = topologyService.currentTopology(); |
| 102 | if (topologyService.isInfrastructure(topology, heardOn)) { |
| 103 | return; |
| 104 | } |
| 105 | |
| 106 | HostLocation hloc = new HostLocation(deviceId(Dpid.uri(pktCtx.dpid())), |
| 107 | portNumber(pktCtx.inPort()), |
| 108 | System.currentTimeMillis()); |
| 109 | HostId hid = HostId.hostId(eth.getSourceMAC(), vlan); |
tom | 025e09f | 2014-09-15 15:29:24 -0700 | [diff] [blame] | 110 | // Potentially a new or moved host |
Ayaka Koshibe | 1a10098 | 2014-09-13 19:32:19 -0700 | [diff] [blame] | 111 | if (eth.getEtherType() == Ethernet.TYPE_ARP) { |
tom | 025e09f | 2014-09-15 15:29:24 -0700 | [diff] [blame] | 112 | |
tom | 025e09f | 2014-09-15 15:29:24 -0700 | [diff] [blame] | 113 | |
Ayaka Koshibe | 1a10098 | 2014-09-13 19:32:19 -0700 | [diff] [blame] | 114 | ARP arp = (ARP) eth.getPayload(); |
Ayaka Koshibe | 1d56fe4 | 2014-09-19 16:51:58 -0700 | [diff] [blame] | 115 | Set<IpPrefix> ips = newHashSet(IpPrefix.valueOf(arp.getSenderProtocolAddress())); |
tom | 025e09f | 2014-09-15 15:29:24 -0700 | [diff] [blame] | 116 | HostDescription hdescr = |
| 117 | new DefaultHostDescription(eth.getSourceMAC(), vlan, hloc, ips); |
Ayaka Koshibe | 1a10098 | 2014-09-13 19:32:19 -0700 | [diff] [blame] | 118 | providerService.hostDetected(hid, hdescr); |
| 119 | |
alshabib | 0ff17ad | 2014-09-30 09:46:40 -0700 | [diff] [blame^] | 120 | } else if (eth.getEtherType() == Ethernet.TYPE_IPV4) { |
| 121 | IPv4 ip = (IPv4) eth.getPayload(); |
| 122 | Set<IpPrefix> ips = newHashSet(IpPrefix.valueOf(ip.getSourceAddress())); |
| 123 | HostDescription hdescr = |
| 124 | new DefaultHostDescription(eth.getSourceMAC(), vlan, hloc, ips); |
| 125 | providerService.hostDetected(hid, hdescr); |
| 126 | |
Ayaka Koshibe | 1a10098 | 2014-09-13 19:32:19 -0700 | [diff] [blame] | 127 | } |
tom | 025e09f | 2014-09-15 15:29:24 -0700 | [diff] [blame] | 128 | |
| 129 | // TODO: Use DHCP packets as well later... |
Ayaka Koshibe | 1a10098 | 2014-09-13 19:32:19 -0700 | [diff] [blame] | 130 | } |
| 131 | |
| 132 | } |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 133 | } |