Madan Jampani | 38a8821 | 2015-09-15 11:21:27 -0700 | [diff] [blame] | 1 | /* |
Brian O'Connor | 5ab426f | 2016-04-09 01:19:45 -0700 | [diff] [blame^] | 2 | * Copyright 2015-present Open Networking Laboratory |
Madan Jampani | 38a8821 | 2015-09-15 11:21:27 -0700 | [diff] [blame] | 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | package org.onosproject.ovsdb.provider.host; |
| 17 | |
| 18 | import static com.google.common.base.Preconditions.checkNotNull; |
| 19 | import static org.onlab.util.Tools.toHex; |
| 20 | import static org.slf4j.LoggerFactory.getLogger; |
| 21 | |
| 22 | import java.net.URI; |
| 23 | import java.net.URISyntaxException; |
| 24 | |
| 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; |
| 30 | import org.apache.felix.scr.annotations.Service; |
| 31 | import org.onlab.packet.VlanId; |
| 32 | import org.onosproject.core.CoreService; |
| 33 | import org.onosproject.net.DefaultAnnotations; |
| 34 | import org.onosproject.net.DeviceId; |
| 35 | import org.onosproject.net.Host; |
| 36 | import org.onosproject.net.HostId; |
| 37 | import org.onosproject.net.HostLocation; |
| 38 | import org.onosproject.net.PortNumber; |
| 39 | import org.onosproject.net.SparseAnnotations; |
| 40 | import org.onosproject.net.host.DefaultHostDescription; |
| 41 | import org.onosproject.net.host.HostDescription; |
| 42 | import org.onosproject.net.host.HostProvider; |
| 43 | import org.onosproject.net.host.HostProviderRegistry; |
| 44 | import org.onosproject.net.host.HostProviderService; |
| 45 | import org.onosproject.net.host.HostService; |
| 46 | import org.onosproject.net.provider.AbstractProvider; |
| 47 | import org.onosproject.net.provider.ProviderId; |
| 48 | import org.onosproject.ovsdb.controller.EventSubject; |
| 49 | import org.onosproject.ovsdb.controller.OvsdbController; |
| 50 | import org.onosproject.ovsdb.controller.OvsdbEvent; |
| 51 | import org.onosproject.ovsdb.controller.OvsdbEventListener; |
| 52 | import org.onosproject.ovsdb.controller.OvsdbEventSubject; |
| 53 | import org.slf4j.Logger; |
| 54 | |
| 55 | /** |
| 56 | * Provider which uses an ovsdb controller to detect host. |
| 57 | */ |
| 58 | @Component(immediate = true) |
| 59 | @Service |
| 60 | public class OvsdbHostProvider extends AbstractProvider implements HostProvider { |
| 61 | private final Logger log = getLogger(getClass()); |
| 62 | |
| 63 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 64 | protected HostProviderRegistry providerRegistry; |
| 65 | |
| 66 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 67 | protected HostService hostService; |
| 68 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 69 | protected CoreService coreService; |
| 70 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 71 | protected OvsdbController controller; |
| 72 | |
| 73 | private HostProviderService providerService; |
| 74 | private OvsdbEventListener innerEventListener = new InnerOvsdbEventListener(); |
| 75 | |
| 76 | @Activate |
| 77 | public void activate() { |
| 78 | providerService = providerRegistry.register(this); |
| 79 | controller.addOvsdbEventListener(innerEventListener); |
| 80 | log.info("Started"); |
| 81 | } |
| 82 | |
| 83 | @Deactivate |
| 84 | public void deactivate() { |
| 85 | providerRegistry.unregister(this); |
| 86 | providerService = null; |
| 87 | log.info("Stopped"); |
| 88 | } |
| 89 | |
| 90 | public OvsdbHostProvider() { |
| 91 | super(new ProviderId("ovsdb", "org.onosproject.ovsdb.provider.host")); |
| 92 | } |
| 93 | |
| 94 | @Override |
| 95 | public void triggerProbe(Host host) { |
| 96 | log.info("Triggering probe on host {}", host); |
| 97 | } |
| 98 | |
| 99 | private class InnerOvsdbEventListener implements OvsdbEventListener { |
| 100 | |
| 101 | @Override |
| 102 | public void handle(OvsdbEvent<EventSubject> event) { |
| 103 | OvsdbEventSubject subject = null; |
| 104 | if (event.subject() instanceof OvsdbEventSubject) { |
| 105 | subject = (OvsdbEventSubject) event.subject(); |
| 106 | } |
| 107 | checkNotNull(subject, "EventSubject is not null"); |
| 108 | // If ifaceid is null,it indicates this is not a vm port. |
| 109 | if (subject.ifaceid() == null) { |
| 110 | return; |
| 111 | } |
| 112 | switch (event.type()) { |
| 113 | case PORT_ADDED: |
jiangrui | 65609ff | 2015-10-28 16:26:19 +0800 | [diff] [blame] | 114 | HostId hostId = HostId.hostId(subject.hwAddress(), VlanId.vlanId()); |
Madan Jampani | 38a8821 | 2015-09-15 11:21:27 -0700 | [diff] [blame] | 115 | DeviceId deviceId = DeviceId.deviceId(uri(subject.dpid().value())); |
| 116 | PortNumber portNumber = PortNumber.portNumber(subject |
| 117 | .portNumber().value(), subject.portName().value()); |
| 118 | HostLocation loaction = new HostLocation(deviceId, portNumber, |
| 119 | 0L); |
| 120 | SparseAnnotations annotations = DefaultAnnotations.builder() |
| 121 | .set("ifaceid", subject.ifaceid().value()).build(); |
| 122 | HostDescription hostDescription = new DefaultHostDescription( |
| 123 | subject.hwAddress(), |
| 124 | VlanId.vlanId(), |
| 125 | loaction, |
| 126 | annotations); |
Ray Milkey | dc08344 | 2016-02-22 11:27:57 -0800 | [diff] [blame] | 127 | providerService.hostDetected(hostId, hostDescription, false); |
Madan Jampani | 38a8821 | 2015-09-15 11:21:27 -0700 | [diff] [blame] | 128 | break; |
| 129 | case PORT_REMOVED: |
jiangrui | 65609ff | 2015-10-28 16:26:19 +0800 | [diff] [blame] | 130 | HostId host = HostId.hostId(subject.hwAddress(), VlanId.vlanId()); |
Madan Jampani | 38a8821 | 2015-09-15 11:21:27 -0700 | [diff] [blame] | 131 | providerService.hostVanished(host); |
| 132 | break; |
| 133 | default: |
| 134 | break; |
| 135 | } |
| 136 | |
| 137 | } |
| 138 | |
| 139 | } |
| 140 | |
| 141 | public URI uri(String value) { |
| 142 | try { |
| 143 | return new URI("of", toHex(Long.valueOf(value)), null); |
| 144 | } catch (URISyntaxException e) { |
| 145 | return null; |
| 146 | } |
| 147 | } |
| 148 | } |