tom | 578ebdc | 2014-09-11 11:12:51 -0700 | [diff] [blame] | 1 | package org.onlab.onos.net.trivial.host.impl; |
tom | db0d03f | 2014-08-27 16:34:15 -0700 | [diff] [blame] | 2 | |
| 3 | import org.apache.felix.scr.annotations.Activate; |
| 4 | import org.apache.felix.scr.annotations.Component; |
| 5 | import org.apache.felix.scr.annotations.Deactivate; |
tom | 5f38b3a | 2014-08-27 23:50:54 -0700 | [diff] [blame] | 6 | import org.apache.felix.scr.annotations.Reference; |
| 7 | import org.apache.felix.scr.annotations.ReferenceCardinality; |
tom | db0d03f | 2014-08-27 16:34:15 -0700 | [diff] [blame] | 8 | import org.apache.felix.scr.annotations.Service; |
tom | 96dfcab | 2014-08-28 09:26:03 -0700 | [diff] [blame] | 9 | import org.onlab.onos.event.AbstractListenerRegistry; |
| 10 | import org.onlab.onos.event.EventDeliveryService; |
tom | 7869ad9 | 2014-09-09 14:32:08 -0700 | [diff] [blame] | 11 | import org.onlab.onos.net.ConnectPoint; |
| 12 | import org.onlab.onos.net.DeviceId; |
| 13 | import org.onlab.onos.net.Host; |
| 14 | import org.onlab.onos.net.HostId; |
tom | 89b63c5 | 2014-09-16 09:19:51 -0700 | [diff] [blame] | 15 | import org.onlab.onos.net.host.HostAdminService; |
tom | db0d03f | 2014-08-27 16:34:15 -0700 | [diff] [blame] | 16 | import org.onlab.onos.net.host.HostDescription; |
tom | 5f38b3a | 2014-08-27 23:50:54 -0700 | [diff] [blame] | 17 | import org.onlab.onos.net.host.HostEvent; |
| 18 | import org.onlab.onos.net.host.HostListener; |
tom | db0d03f | 2014-08-27 16:34:15 -0700 | [diff] [blame] | 19 | import org.onlab.onos.net.host.HostProvider; |
tom | 96dfcab | 2014-08-28 09:26:03 -0700 | [diff] [blame] | 20 | import org.onlab.onos.net.host.HostProviderRegistry; |
tom | db0d03f | 2014-08-27 16:34:15 -0700 | [diff] [blame] | 21 | import org.onlab.onos.net.host.HostProviderService; |
tom | 7869ad9 | 2014-09-09 14:32:08 -0700 | [diff] [blame] | 22 | import org.onlab.onos.net.host.HostService; |
tom | 96dfcab | 2014-08-28 09:26:03 -0700 | [diff] [blame] | 23 | import org.onlab.onos.net.provider.AbstractProviderRegistry; |
tom | db0d03f | 2014-08-27 16:34:15 -0700 | [diff] [blame] | 24 | import org.onlab.onos.net.provider.AbstractProviderService; |
Ayaka Koshibe | a9c199f | 2014-09-16 16:21:40 -0700 | [diff] [blame] | 25 | import org.onlab.packet.IpAddress; |
| 26 | import org.onlab.packet.MacAddress; |
| 27 | import org.onlab.packet.VlanId; |
tom | db0d03f | 2014-08-27 16:34:15 -0700 | [diff] [blame] | 28 | import org.slf4j.Logger; |
tom | 5f38b3a | 2014-08-27 23:50:54 -0700 | [diff] [blame] | 29 | |
tom | 7869ad9 | 2014-09-09 14:32:08 -0700 | [diff] [blame] | 30 | import java.util.Set; |
| 31 | |
| 32 | import static com.google.common.base.Preconditions.checkNotNull; |
tom | 5f38b3a | 2014-08-27 23:50:54 -0700 | [diff] [blame] | 33 | import static org.slf4j.LoggerFactory.getLogger; |
tom | db0d03f | 2014-08-27 16:34:15 -0700 | [diff] [blame] | 34 | |
| 35 | /** |
| 36 | * Provides basic implementation of the host SB & NB APIs. |
| 37 | */ |
| 38 | @Component(immediate = true) |
| 39 | @Service |
tom | 5f38b3a | 2014-08-27 23:50:54 -0700 | [diff] [blame] | 40 | public class SimpleHostManager |
tom | 96dfcab | 2014-08-28 09:26:03 -0700 | [diff] [blame] | 41 | extends AbstractProviderRegistry<HostProvider, HostProviderService> |
tom | 89b63c5 | 2014-09-16 09:19:51 -0700 | [diff] [blame] | 42 | implements HostService, HostAdminService, HostProviderRegistry { |
tom | db0d03f | 2014-08-27 16:34:15 -0700 | [diff] [blame] | 43 | |
tom | 7869ad9 | 2014-09-09 14:32:08 -0700 | [diff] [blame] | 44 | public static final String HOST_ID_NULL = "Host ID cannot be null"; |
tom | 5f38b3a | 2014-08-27 23:50:54 -0700 | [diff] [blame] | 45 | private final Logger log = getLogger(getClass()); |
tom | db0d03f | 2014-08-27 16:34:15 -0700 | [diff] [blame] | 46 | |
tom | 96dfcab | 2014-08-28 09:26:03 -0700 | [diff] [blame] | 47 | private final AbstractListenerRegistry<HostEvent, HostListener> |
| 48 | listenerRegistry = new AbstractListenerRegistry<>(); |
tom | 5f38b3a | 2014-08-27 23:50:54 -0700 | [diff] [blame] | 49 | |
tom | 7869ad9 | 2014-09-09 14:32:08 -0700 | [diff] [blame] | 50 | private final SimpleHostStore store = new SimpleHostStore(); |
| 51 | |
tom | 5f38b3a | 2014-08-27 23:50:54 -0700 | [diff] [blame] | 52 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
Ayaka Koshibe | ac8e729 | 2014-09-16 16:08:31 -0700 | [diff] [blame] | 53 | protected EventDeliveryService eventDispatcher; |
tom | 5f38b3a | 2014-08-27 23:50:54 -0700 | [diff] [blame] | 54 | |
tom | db0d03f | 2014-08-27 16:34:15 -0700 | [diff] [blame] | 55 | |
| 56 | @Activate |
| 57 | public void activate() { |
tom | 96dfcab | 2014-08-28 09:26:03 -0700 | [diff] [blame] | 58 | eventDispatcher.addSink(HostEvent.class, listenerRegistry); |
tom | db0d03f | 2014-08-27 16:34:15 -0700 | [diff] [blame] | 59 | log.info("Started"); |
| 60 | } |
| 61 | |
| 62 | @Deactivate |
| 63 | public void deactivate() { |
tom | 5f38b3a | 2014-08-27 23:50:54 -0700 | [diff] [blame] | 64 | eventDispatcher.removeSink(HostEvent.class); |
tom | db0d03f | 2014-08-27 16:34:15 -0700 | [diff] [blame] | 65 | log.info("Stopped"); |
| 66 | } |
| 67 | |
| 68 | @Override |
tom | 5f38b3a | 2014-08-27 23:50:54 -0700 | [diff] [blame] | 69 | protected HostProviderService createProviderService(HostProvider provider) { |
| 70 | return new InternalHostProviderService(provider); |
tom | db0d03f | 2014-08-27 16:34:15 -0700 | [diff] [blame] | 71 | } |
| 72 | |
tom | 7869ad9 | 2014-09-09 14:32:08 -0700 | [diff] [blame] | 73 | @Override |
| 74 | public int getHostCount() { |
| 75 | return store.getHostCount(); |
| 76 | } |
| 77 | |
| 78 | @Override |
| 79 | public Iterable<Host> getHosts() { |
| 80 | return store.getHosts(); |
| 81 | } |
| 82 | |
| 83 | @Override |
| 84 | public Host getHost(HostId hostId) { |
| 85 | checkNotNull(hostId, HOST_ID_NULL); |
| 86 | return store.getHost(hostId); |
| 87 | } |
| 88 | |
| 89 | @Override |
Ayaka Koshibe | a9c199f | 2014-09-16 16:21:40 -0700 | [diff] [blame] | 90 | public Set<Host> getHostsByVlan(VlanId vlanId) { |
tom | 7869ad9 | 2014-09-09 14:32:08 -0700 | [diff] [blame] | 91 | return store.getHosts(vlanId); |
| 92 | } |
| 93 | |
| 94 | @Override |
Ayaka Koshibe | a9c199f | 2014-09-16 16:21:40 -0700 | [diff] [blame] | 95 | public Set<Host> getHostsByMac(MacAddress mac) { |
tom | 7869ad9 | 2014-09-09 14:32:08 -0700 | [diff] [blame] | 96 | checkNotNull(mac, "MAC address cannot be null"); |
| 97 | return store.getHosts(mac); |
| 98 | } |
| 99 | |
| 100 | @Override |
Ayaka Koshibe | a9c199f | 2014-09-16 16:21:40 -0700 | [diff] [blame] | 101 | public Set<Host> getHostsByIp(IpAddress ip) { |
tom | 7869ad9 | 2014-09-09 14:32:08 -0700 | [diff] [blame] | 102 | checkNotNull(ip, "IP address cannot be null"); |
| 103 | return store.getHosts(ip); |
| 104 | } |
| 105 | |
| 106 | @Override |
| 107 | public Set<Host> getConnectedHosts(ConnectPoint connectPoint) { |
| 108 | checkNotNull(connectPoint, "Connection point cannot be null"); |
| 109 | return store.getConnectedHosts(connectPoint); |
| 110 | } |
| 111 | |
| 112 | @Override |
| 113 | public Set<Host> getConnectedHosts(DeviceId deviceId) { |
| 114 | checkNotNull(deviceId, "Device ID cannot be null"); |
| 115 | return store.getConnectedHosts(deviceId); |
| 116 | } |
| 117 | |
| 118 | @Override |
| 119 | public void addListener(HostListener listener) { |
| 120 | listenerRegistry.addListener(listener); |
| 121 | } |
| 122 | |
| 123 | @Override |
| 124 | public void removeListener(HostListener listener) { |
| 125 | listenerRegistry.removeListener(listener); |
| 126 | } |
| 127 | |
tom | 89b63c5 | 2014-09-16 09:19:51 -0700 | [diff] [blame] | 128 | @Override |
| 129 | public void removeHost(HostId hostId) { |
| 130 | checkNotNull(hostId, HOST_ID_NULL); |
| 131 | HostEvent event = store.removeHost(hostId); |
| 132 | if (event != null) { |
| 133 | log.info("Host {} administratively removed", hostId); |
| 134 | post(event); |
| 135 | } |
| 136 | } |
| 137 | |
tom | db0d03f | 2014-08-27 16:34:15 -0700 | [diff] [blame] | 138 | // Personalized host provider service issued to the supplied provider. |
tom | 7869ad9 | 2014-09-09 14:32:08 -0700 | [diff] [blame] | 139 | private class InternalHostProviderService |
| 140 | extends AbstractProviderService<HostProvider> |
tom | db0d03f | 2014-08-27 16:34:15 -0700 | [diff] [blame] | 141 | implements HostProviderService { |
| 142 | |
tom | cfde062 | 2014-09-09 11:02:42 -0700 | [diff] [blame] | 143 | InternalHostProviderService(HostProvider provider) { |
tom | db0d03f | 2014-08-27 16:34:15 -0700 | [diff] [blame] | 144 | super(provider); |
| 145 | } |
| 146 | |
| 147 | @Override |
tom | 7869ad9 | 2014-09-09 14:32:08 -0700 | [diff] [blame] | 148 | public void hostDetected(HostId hostId, HostDescription hostDescription) { |
| 149 | checkNotNull(hostId, HOST_ID_NULL); |
| 150 | checkValidity(); |
| 151 | HostEvent event = store.createOrUpdateHost(provider().id(), hostId, |
| 152 | hostDescription); |
| 153 | if (event != null) { |
tom | f297f39 | 2014-09-15 14:46:49 -0700 | [diff] [blame] | 154 | log.debug("Host {} detected", hostId); |
tom | 7869ad9 | 2014-09-09 14:32:08 -0700 | [diff] [blame] | 155 | post(event); |
| 156 | } |
tom | db0d03f | 2014-08-27 16:34:15 -0700 | [diff] [blame] | 157 | } |
| 158 | |
| 159 | @Override |
tom | 7869ad9 | 2014-09-09 14:32:08 -0700 | [diff] [blame] | 160 | public void hostVanished(HostId hostId) { |
| 161 | checkNotNull(hostId, HOST_ID_NULL); |
| 162 | checkValidity(); |
| 163 | HostEvent event = store.removeHost(hostId); |
| 164 | if (event != null) { |
tom | f297f39 | 2014-09-15 14:46:49 -0700 | [diff] [blame] | 165 | log.debug("Host {} vanished", hostId); |
tom | 7869ad9 | 2014-09-09 14:32:08 -0700 | [diff] [blame] | 166 | post(event); |
| 167 | } |
tom | db0d03f | 2014-08-27 16:34:15 -0700 | [diff] [blame] | 168 | } |
| 169 | } |
tom | 7869ad9 | 2014-09-09 14:32:08 -0700 | [diff] [blame] | 170 | |
| 171 | // Posts the specified event to the local event dispatcher. |
| 172 | private void post(HostEvent event) { |
tom | dc361b6 | 2014-09-09 20:36:52 -0700 | [diff] [blame] | 173 | if (event != null) { |
tom | 7869ad9 | 2014-09-09 14:32:08 -0700 | [diff] [blame] | 174 | eventDispatcher.post(event); |
| 175 | } |
| 176 | } |
| 177 | |
tom | db0d03f | 2014-08-27 16:34:15 -0700 | [diff] [blame] | 178 | } |