slowr | 13fa5b0 | 2017-08-08 16:32:31 -0700 | [diff] [blame] | 1 | /* |
Dimitrios Mavrommatis | 96b255a | 2017-12-06 13:09:25 -0800 | [diff] [blame^] | 2 | * Copyright 2017-present Open Networking Foundation |
slowr | 13fa5b0 | 2017-08-08 16:32:31 -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 | |
Dimitrios Mavrommatis | 96b255a | 2017-12-06 13:09:25 -0800 | [diff] [blame^] | 17 | package org.onosproject.xran.impl.providers; |
slowr | 13fa5b0 | 2017-08-08 16:32:31 -0700 | [diff] [blame] | 18 | |
| 19 | import com.google.common.collect.Sets; |
slowr | 577f322 | 2017-08-28 10:49:08 -0700 | [diff] [blame] | 20 | import org.apache.felix.scr.annotations.Activate; |
| 21 | import org.apache.felix.scr.annotations.Component; |
| 22 | import org.apache.felix.scr.annotations.Deactivate; |
| 23 | import org.apache.felix.scr.annotations.Reference; |
| 24 | import org.apache.felix.scr.annotations.ReferenceCardinality; |
slowr | 13fa5b0 | 2017-08-08 16:32:31 -0700 | [diff] [blame] | 25 | import org.onlab.packet.VlanId; |
slowr | 577f322 | 2017-08-28 10:49:08 -0700 | [diff] [blame] | 26 | import org.onosproject.net.AnnotationKeys; |
| 27 | import org.onosproject.net.DefaultAnnotations; |
| 28 | import org.onosproject.net.Host; |
| 29 | import org.onosproject.net.HostId; |
| 30 | import org.onosproject.net.HostLocation; |
| 31 | import org.onosproject.net.PortNumber; |
| 32 | import org.onosproject.net.SparseAnnotations; |
slowr | 13fa5b0 | 2017-08-08 16:32:31 -0700 | [diff] [blame] | 33 | import org.onosproject.net.host.DefaultHostDescription; |
| 34 | import org.onosproject.net.host.HostProvider; |
| 35 | import org.onosproject.net.host.HostProviderRegistry; |
| 36 | import org.onosproject.net.host.HostProviderService; |
| 37 | import org.onosproject.net.provider.AbstractProvider; |
| 38 | import org.onosproject.net.provider.ProviderId; |
Dimitrios Mavrommatis | 96b255a | 2017-12-06 13:09:25 -0800 | [diff] [blame^] | 39 | import org.onosproject.xran.XranService; |
| 40 | import org.onosproject.xran.XranHostListener; |
| 41 | import org.onosproject.xran.asn1lib.api.ECGI; |
| 42 | import org.onosproject.xran.impl.entities.RnibUe; |
slowr | 13fa5b0 | 2017-08-08 16:32:31 -0700 | [diff] [blame] | 43 | import org.slf4j.Logger; |
| 44 | |
| 45 | import java.util.Set; |
| 46 | |
slowr | 577f322 | 2017-08-28 10:49:08 -0700 | [diff] [blame] | 47 | import static org.onosproject.net.DeviceId.deviceId; |
Dimitrios Mavrommatis | 96b255a | 2017-12-06 13:09:25 -0800 | [diff] [blame^] | 48 | import static org.onosproject.xran.impl.entities.RnibCell.uri; |
slowr | 13fa5b0 | 2017-08-08 16:32:31 -0700 | [diff] [blame] | 49 | import static org.slf4j.LoggerFactory.getLogger; |
| 50 | |
| 51 | /** |
slowr | 577f322 | 2017-08-28 10:49:08 -0700 | [diff] [blame] | 52 | * UE Provider. |
slowr | 13fa5b0 | 2017-08-08 16:32:31 -0700 | [diff] [blame] | 53 | */ |
slowr | 13fa5b0 | 2017-08-08 16:32:31 -0700 | [diff] [blame] | 54 | @Component(immediate = true) |
| 55 | public class UeProvider extends AbstractProvider implements HostProvider { |
| 56 | |
| 57 | private static final Logger log = getLogger(UeProvider.class); |
| 58 | private final InternalHostListener listener = new InternalHostListener(); |
| 59 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 60 | private HostProviderRegistry providerRegistry; |
| 61 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
Dimitrios Mavrommatis | 96b255a | 2017-12-06 13:09:25 -0800 | [diff] [blame^] | 62 | private XranService controller; |
slowr | 13fa5b0 | 2017-08-08 16:32:31 -0700 | [diff] [blame] | 63 | private HostProviderService providerService; |
| 64 | |
| 65 | public UeProvider() { |
slowr | d337c93 | 2017-08-18 13:54:02 -0700 | [diff] [blame] | 66 | super(new ProviderId("xran", "org.onosproject.providers.ue")); |
slowr | 13fa5b0 | 2017-08-08 16:32:31 -0700 | [diff] [blame] | 67 | } |
| 68 | |
| 69 | @Activate |
| 70 | public void activate() { |
| 71 | providerService = providerRegistry.register(this); |
| 72 | controller.addListener(listener); |
| 73 | |
| 74 | log.info("XRAN Host Provider Started"); |
| 75 | } |
| 76 | |
| 77 | @Deactivate |
| 78 | public void deactivate() { |
| 79 | controller.removeListener(listener); |
| 80 | providerRegistry.unregister(this); |
| 81 | |
| 82 | providerService = null; |
| 83 | log.info("XRAN Host Provider Stopped"); |
| 84 | } |
| 85 | |
| 86 | @Override |
| 87 | public void triggerProbe(Host host) { |
| 88 | |
| 89 | } |
| 90 | |
slowr | 577f322 | 2017-08-28 10:49:08 -0700 | [diff] [blame] | 91 | /** |
| 92 | * Internal host listener. |
| 93 | */ |
slowr | 13fa5b0 | 2017-08-08 16:32:31 -0700 | [diff] [blame] | 94 | class InternalHostListener implements XranHostListener { |
| 95 | |
| 96 | @Override |
| 97 | public void hostAdded(RnibUe ue, Set<ECGI> ecgiSet) { |
| 98 | if (providerService == null) { |
| 99 | return; |
| 100 | } |
| 101 | |
| 102 | if (ue == null) { |
slowr | d337c93 | 2017-08-18 13:54:02 -0700 | [diff] [blame] | 103 | log.error("UE is not found"); |
slowr | 13fa5b0 | 2017-08-08 16:32:31 -0700 | [diff] [blame] | 104 | return; |
| 105 | } |
| 106 | |
| 107 | try { |
| 108 | Set<HostLocation> hostLocations = Sets.newConcurrentHashSet(); |
| 109 | |
slowr | 577f322 | 2017-08-28 10:49:08 -0700 | [diff] [blame] | 110 | ecgiSet.forEach(ecgi -> hostLocations |
| 111 | .add(new HostLocation(deviceId(uri(ecgi)), |
| 112 | PortNumber.portNumber(0), 0))); |
slowr | 13fa5b0 | 2017-08-08 16:32:31 -0700 | [diff] [blame] | 113 | |
| 114 | SparseAnnotations annotations = DefaultAnnotations.builder() |
slowr | c86750e | 2017-08-22 17:26:47 -0700 | [diff] [blame] | 115 | .set(AnnotationKeys.NAME, "UE " + ue.getId()) |
Dimitrios Mavrommatis | 96b255a | 2017-12-06 13:09:25 -0800 | [diff] [blame^] | 116 | .set(AnnotationKeys.UI_TYPE, "mobile") |
slowr | 13fa5b0 | 2017-08-08 16:32:31 -0700 | [diff] [blame] | 117 | .build(); |
| 118 | |
slowr | 577f322 | 2017-08-28 10:49:08 -0700 | [diff] [blame] | 119 | // Host ID is calculated from UE ID with some hacky function to represent a MAC address. |
slowr | 13fa5b0 | 2017-08-08 16:32:31 -0700 | [diff] [blame] | 120 | DefaultHostDescription desc = new DefaultHostDescription( |
| 121 | ue.getHostId().mac(), |
| 122 | VlanId.vlanId(VlanId.UNTAGGED), |
| 123 | hostLocations, |
| 124 | Sets.newConcurrentHashSet(), |
| 125 | true, |
| 126 | annotations |
| 127 | ); |
| 128 | |
| 129 | providerService.hostDetected(ue.getHostId(), desc, false); |
| 130 | } catch (Exception e) { |
| 131 | log.warn(e.getMessage()); |
| 132 | e.printStackTrace(); |
| 133 | } |
| 134 | } |
| 135 | |
| 136 | @Override |
| 137 | public void hostRemoved(HostId id) { |
| 138 | providerService.hostVanished(id); |
| 139 | } |
| 140 | } |
| 141 | } |