Thomas Vachuska | 781d18b | 2014-10-27 10:31:25 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * Licensed to the Apache Software Foundation (ASF) under one |
| 3 | * or more contributor license agreements. See the NOTICE file |
| 4 | * distributed with this work for additional information |
| 5 | * regarding copyright ownership. The ASF licenses this file |
| 6 | * to you under the Apache License, Version 2.0 (the |
| 7 | * "License"); you may not use this file except in compliance |
| 8 | * with the License. You may obtain a copy of the License at |
| 9 | * |
| 10 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 11 | * |
| 12 | * Unless required by applicable law or agreed to in writing, |
| 13 | * software distributed under the License is distributed on an |
| 14 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| 15 | * KIND, either express or implied. See the License for the |
| 16 | * specific language governing permissions and limitations |
| 17 | * under the License. |
| 18 | */ |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 19 | package org.onlab.onos.provider.of.host.impl; |
| 20 | |
Jonathan Hart | 7d1ad60 | 2014-10-17 11:48:32 -0700 | [diff] [blame] | 21 | import static org.onlab.onos.net.DeviceId.deviceId; |
| 22 | import static org.onlab.onos.net.PortNumber.portNumber; |
| 23 | import static org.slf4j.LoggerFactory.getLogger; |
| 24 | |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 25 | import org.apache.felix.scr.annotations.Activate; |
| 26 | import org.apache.felix.scr.annotations.Component; |
| 27 | import org.apache.felix.scr.annotations.Deactivate; |
| 28 | import org.apache.felix.scr.annotations.Reference; |
| 29 | import org.apache.felix.scr.annotations.ReferenceCardinality; |
tom | 025e09f | 2014-09-15 15:29:24 -0700 | [diff] [blame] | 30 | import org.onlab.onos.net.ConnectPoint; |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 31 | import org.onlab.onos.net.Host; |
Ayaka Koshibe | 1a10098 | 2014-09-13 19:32:19 -0700 | [diff] [blame] | 32 | import org.onlab.onos.net.HostId; |
| 33 | import org.onlab.onos.net.HostLocation; |
Ayaka Koshibe | 1a10098 | 2014-09-13 19:32:19 -0700 | [diff] [blame] | 34 | import org.onlab.onos.net.host.DefaultHostDescription; |
| 35 | import org.onlab.onos.net.host.HostDescription; |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 36 | import org.onlab.onos.net.host.HostProvider; |
tom | 96dfcab | 2014-08-28 09:26:03 -0700 | [diff] [blame] | 37 | import org.onlab.onos.net.host.HostProviderRegistry; |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 38 | import org.onlab.onos.net.host.HostProviderService; |
| 39 | import org.onlab.onos.net.provider.AbstractProvider; |
| 40 | import org.onlab.onos.net.provider.ProviderId; |
tom | 025e09f | 2014-09-15 15:29:24 -0700 | [diff] [blame] | 41 | import org.onlab.onos.net.topology.Topology; |
| 42 | import org.onlab.onos.net.topology.TopologyService; |
tom | 9c94c5b | 2014-09-17 13:14:42 -0700 | [diff] [blame] | 43 | import org.onlab.onos.openflow.controller.Dpid; |
| 44 | import org.onlab.onos.openflow.controller.OpenFlowController; |
| 45 | import org.onlab.onos.openflow.controller.OpenFlowPacketContext; |
| 46 | import org.onlab.onos.openflow.controller.PacketListener; |
Ayaka Koshibe | 1a10098 | 2014-09-13 19:32:19 -0700 | [diff] [blame] | 47 | import org.onlab.packet.ARP; |
| 48 | import org.onlab.packet.Ethernet; |
alshabib | 0ff17ad | 2014-09-30 09:46:40 -0700 | [diff] [blame] | 49 | import org.onlab.packet.IPv4; |
Ayaka Koshibe | 1d56fe4 | 2014-09-19 16:51:58 -0700 | [diff] [blame] | 50 | import org.onlab.packet.IpPrefix; |
Ayaka Koshibe | a9c199f | 2014-09-16 16:21:40 -0700 | [diff] [blame] | 51 | import org.onlab.packet.VlanId; |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 52 | import org.slf4j.Logger; |
tom | 5f38b3a | 2014-08-27 23:50:54 -0700 | [diff] [blame] | 53 | |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 54 | /** |
tom | b1260e4 | 2014-08-26 18:39:57 -0700 | [diff] [blame] | 55 | * Provider which uses an OpenFlow controller to detect network |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 56 | * end-station hosts. |
| 57 | */ |
tom | b1260e4 | 2014-08-26 18:39:57 -0700 | [diff] [blame] | 58 | @Component(immediate = true) |
alshabib | e1cf87d | 2014-10-17 09:23:50 -0700 | [diff] [blame] | 59 | @Deprecated |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 60 | public class OpenFlowHostProvider extends AbstractProvider implements HostProvider { |
| 61 | |
tom | 5f38b3a | 2014-08-27 23:50:54 -0700 | [diff] [blame] | 62 | private final Logger log = getLogger(getClass()); |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 63 | |
| 64 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
tom | 96dfcab | 2014-08-28 09:26:03 -0700 | [diff] [blame] | 65 | protected HostProviderRegistry providerRegistry; |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 66 | |
tom | 5f38b3a | 2014-08-27 23:50:54 -0700 | [diff] [blame] | 67 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 68 | protected OpenFlowController controller; |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 69 | |
tom | 025e09f | 2014-09-15 15:29:24 -0700 | [diff] [blame] | 70 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 71 | protected TopologyService topologyService; |
| 72 | |
tom | 5f38b3a | 2014-08-27 23:50:54 -0700 | [diff] [blame] | 73 | private HostProviderService providerService; |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 74 | |
Ayaka Koshibe | 1a10098 | 2014-09-13 19:32:19 -0700 | [diff] [blame] | 75 | private final InternalHostProvider listener = new InternalHostProvider(); |
| 76 | |
tom | 093340b | 2014-10-10 00:15:36 -0700 | [diff] [blame] | 77 | private boolean ipLearn = true; |
| 78 | |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 79 | /** |
| 80 | * Creates an OpenFlow host provider. |
| 81 | */ |
| 82 | public OpenFlowHostProvider() { |
tom | 7e02cda | 2014-09-18 12:05:46 -0700 | [diff] [blame] | 83 | super(new ProviderId("of", "org.onlab.onos.provider.openflow")); |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 84 | } |
| 85 | |
| 86 | @Activate |
| 87 | public void activate() { |
tom | 96dfcab | 2014-08-28 09:26:03 -0700 | [diff] [blame] | 88 | providerService = providerRegistry.register(this); |
Ayaka Koshibe | 43530be | 2014-09-15 11:14:52 -0700 | [diff] [blame] | 89 | controller.addPacketListener(10, listener); |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 90 | log.info("Started"); |
| 91 | } |
| 92 | |
| 93 | @Deactivate |
| 94 | public void deactivate() { |
tom | 96dfcab | 2014-08-28 09:26:03 -0700 | [diff] [blame] | 95 | providerRegistry.unregister(this); |
Ayaka Koshibe | 1a10098 | 2014-09-13 19:32:19 -0700 | [diff] [blame] | 96 | controller.removePacketListener(listener); |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 97 | providerService = null; |
| 98 | log.info("Stopped"); |
| 99 | } |
| 100 | |
| 101 | @Override |
| 102 | public void triggerProbe(Host host) { |
| 103 | log.info("Triggering probe on device {}", host); |
| 104 | } |
tom | b1260e4 | 2014-08-26 18:39:57 -0700 | [diff] [blame] | 105 | |
Ayaka Koshibe | 1a10098 | 2014-09-13 19:32:19 -0700 | [diff] [blame] | 106 | private class InternalHostProvider implements PacketListener { |
| 107 | |
| 108 | @Override |
| 109 | public void handlePacket(OpenFlowPacketContext pktCtx) { |
| 110 | Ethernet eth = pktCtx.parsed(); |
| 111 | |
alshabib | 0ff17ad | 2014-09-30 09:46:40 -0700 | [diff] [blame] | 112 | VlanId vlan = VlanId.vlanId(eth.getVlanID()); |
| 113 | ConnectPoint heardOn = new ConnectPoint(deviceId(Dpid.uri(pktCtx.dpid())), |
tom | 093340b | 2014-10-10 00:15:36 -0700 | [diff] [blame] | 114 | portNumber(pktCtx.inPort())); |
alshabib | 0ff17ad | 2014-09-30 09:46:40 -0700 | [diff] [blame] | 115 | |
tom | 093340b | 2014-10-10 00:15:36 -0700 | [diff] [blame] | 116 | // If this is not an edge port, bail out. |
alshabib | 0ff17ad | 2014-09-30 09:46:40 -0700 | [diff] [blame] | 117 | Topology topology = topologyService.currentTopology(); |
| 118 | if (topologyService.isInfrastructure(topology, heardOn)) { |
| 119 | return; |
| 120 | } |
| 121 | |
| 122 | HostLocation hloc = new HostLocation(deviceId(Dpid.uri(pktCtx.dpid())), |
tom | 093340b | 2014-10-10 00:15:36 -0700 | [diff] [blame] | 123 | portNumber(pktCtx.inPort()), |
| 124 | System.currentTimeMillis()); |
| 125 | |
alshabib | 0ff17ad | 2014-09-30 09:46:40 -0700 | [diff] [blame] | 126 | HostId hid = HostId.hostId(eth.getSourceMAC(), vlan); |
tom | 093340b | 2014-10-10 00:15:36 -0700 | [diff] [blame] | 127 | |
tom | 025e09f | 2014-09-15 15:29:24 -0700 | [diff] [blame] | 128 | // Potentially a new or moved host |
Ayaka Koshibe | 1a10098 | 2014-09-13 19:32:19 -0700 | [diff] [blame] | 129 | if (eth.getEtherType() == Ethernet.TYPE_ARP) { |
Ayaka Koshibe | 1a10098 | 2014-09-13 19:32:19 -0700 | [diff] [blame] | 130 | ARP arp = (ARP) eth.getPayload(); |
Jonathan Hart | 7d1ad60 | 2014-10-17 11:48:32 -0700 | [diff] [blame] | 131 | IpPrefix ip = IpPrefix.valueOf(arp.getSenderProtocolAddress(), |
| 132 | IpPrefix.MAX_INET_MASK); |
tom | 025e09f | 2014-09-15 15:29:24 -0700 | [diff] [blame] | 133 | HostDescription hdescr = |
tom | 093340b | 2014-10-10 00:15:36 -0700 | [diff] [blame] | 134 | new DefaultHostDescription(eth.getSourceMAC(), vlan, hloc, ip); |
Ayaka Koshibe | 1a10098 | 2014-09-13 19:32:19 -0700 | [diff] [blame] | 135 | providerService.hostDetected(hid, hdescr); |
| 136 | |
tom | 093340b | 2014-10-10 00:15:36 -0700 | [diff] [blame] | 137 | } else if (ipLearn && eth.getEtherType() == Ethernet.TYPE_IPV4) { |
| 138 | IPv4 pip = (IPv4) eth.getPayload(); |
Jonathan Hart | 7d1ad60 | 2014-10-17 11:48:32 -0700 | [diff] [blame] | 139 | IpPrefix ip = IpPrefix.valueOf(pip.getSourceAddress(), |
| 140 | IpPrefix.MAX_INET_MASK); |
alshabib | 0ff17ad | 2014-09-30 09:46:40 -0700 | [diff] [blame] | 141 | HostDescription hdescr = |
tom | 093340b | 2014-10-10 00:15:36 -0700 | [diff] [blame] | 142 | new DefaultHostDescription(eth.getSourceMAC(), vlan, hloc, ip); |
alshabib | 0ff17ad | 2014-09-30 09:46:40 -0700 | [diff] [blame] | 143 | providerService.hostDetected(hid, hdescr); |
| 144 | |
Ayaka Koshibe | 1a10098 | 2014-09-13 19:32:19 -0700 | [diff] [blame] | 145 | } |
tom | 025e09f | 2014-09-15 15:29:24 -0700 | [diff] [blame] | 146 | |
| 147 | // TODO: Use DHCP packets as well later... |
Ayaka Koshibe | 1a10098 | 2014-09-13 19:32:19 -0700 | [diff] [blame] | 148 | } |
| 149 | |
| 150 | } |
tom | e06f855 | 2014-08-26 16:58:42 -0700 | [diff] [blame] | 151 | } |