Jonathan Hart | eb8c947 | 2015-08-05 07:43:13 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2015 Open Networking Laboratory |
| 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 | |
| 17 | package org.onosproject.incubator.net.intf.impl; |
| 18 | |
| 19 | import com.google.common.collect.ImmutableSet; |
| 20 | import com.google.common.collect.Maps; |
| 21 | import org.apache.felix.scr.annotations.Activate; |
| 22 | import org.apache.felix.scr.annotations.Component; |
| 23 | import org.apache.felix.scr.annotations.Deactivate; |
| 24 | import org.apache.felix.scr.annotations.Reference; |
| 25 | import org.apache.felix.scr.annotations.ReferenceCardinality; |
| 26 | import org.apache.felix.scr.annotations.Service; |
| 27 | import org.onlab.packet.IpAddress; |
| 28 | import org.onlab.packet.VlanId; |
| 29 | import org.onosproject.incubator.net.config.NetworkConfigEvent; |
| 30 | import org.onosproject.incubator.net.config.NetworkConfigListener; |
| 31 | import org.onosproject.incubator.net.config.NetworkConfigService; |
| 32 | import org.onosproject.incubator.net.config.basics.InterfaceConfig; |
| 33 | import org.onosproject.incubator.net.intf.Interface; |
| 34 | import org.onosproject.incubator.net.intf.InterfaceService; |
| 35 | import org.onosproject.net.ConnectPoint; |
| 36 | import org.onosproject.net.Device; |
| 37 | import org.onosproject.net.Port; |
| 38 | import org.onosproject.net.device.DeviceService; |
| 39 | import org.slf4j.Logger; |
| 40 | import org.slf4j.LoggerFactory; |
| 41 | |
| 42 | import java.util.Map; |
| 43 | import java.util.Optional; |
| 44 | import java.util.Set; |
| 45 | |
| 46 | import static java.util.stream.Collectors.collectingAndThen; |
| 47 | import static java.util.stream.Collectors.toSet; |
| 48 | |
| 49 | /** |
| 50 | * Manages the inventory of interfaces in the system. |
| 51 | */ |
| 52 | @Service |
| 53 | @Component(immediate = true) |
| 54 | public class InterfaceManager implements InterfaceService { |
| 55 | |
| 56 | private final Logger log = LoggerFactory.getLogger(getClass()); |
| 57 | |
| 58 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 59 | protected NetworkConfigService configService; |
| 60 | |
| 61 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 62 | protected DeviceService deviceService; |
| 63 | |
| 64 | private final InternalConfigListener listener = new InternalConfigListener(); |
| 65 | |
| 66 | private final Map<ConnectPoint, Set<Interface>> interfaces = Maps.newConcurrentMap(); |
| 67 | |
| 68 | @Activate |
| 69 | public void activate() { |
| 70 | configService.addListener(listener); |
| 71 | |
| 72 | for (Device d : deviceService.getDevices()) { |
| 73 | for (Port p : deviceService.getPorts(d.id())) { |
| 74 | InterfaceConfig config = |
| 75 | configService.getConfig(new ConnectPoint(d.id(), p.number()), InterfaceConfig.class); |
| 76 | |
| 77 | if (config != null) { |
| 78 | updateInterfaces(config); |
| 79 | } |
| 80 | } |
| 81 | } |
| 82 | |
| 83 | log.info("Started"); |
| 84 | } |
| 85 | |
| 86 | @Deactivate |
| 87 | public void deactivate() { |
| 88 | configService.removeListener(listener); |
| 89 | |
| 90 | log.info("Stopped"); |
| 91 | } |
| 92 | |
| 93 | @Override |
| 94 | public Set<Interface> getInterfaces() { |
| 95 | return interfaces.values() |
| 96 | .stream() |
| 97 | .flatMap(set -> set.stream()) |
| 98 | .collect(collectingAndThen(toSet(), ImmutableSet::copyOf)); |
| 99 | } |
| 100 | |
| 101 | @Override |
| 102 | public Set<Interface> getInterfacesByPort(ConnectPoint port) { |
| 103 | return ImmutableSet.copyOf(interfaces.get(port)); |
| 104 | } |
| 105 | |
| 106 | @Override |
| 107 | public Set<Interface> getInterfacesByIp(IpAddress ip) { |
| 108 | return interfaces.values() |
| 109 | .stream() |
| 110 | .flatMap(set -> set.stream()) |
| 111 | .filter(intf -> intf.ipAddresses().contains(ip)) |
| 112 | .collect(collectingAndThen(toSet(), ImmutableSet::copyOf)); |
| 113 | } |
| 114 | |
| 115 | @Override |
| 116 | public Interface getMatchingInterface(IpAddress ip) { |
| 117 | Optional<Interface> match = interfaces.values() |
| 118 | .stream() |
| 119 | .flatMap(set -> set.stream()) |
| 120 | .filter(intf -> intf.ipAddresses() |
| 121 | .stream() |
| 122 | .anyMatch(intfIp -> intfIp.subnetAddress().contains(ip))) |
| 123 | .findFirst(); |
| 124 | |
| 125 | if (match.isPresent()) { |
| 126 | return match.get(); |
| 127 | } |
| 128 | |
| 129 | return null; |
| 130 | } |
| 131 | |
| 132 | @Override |
| 133 | public Set<Interface> getInterfacesByVlan(VlanId vlan) { |
| 134 | return interfaces.values() |
| 135 | .stream() |
| 136 | .flatMap(set -> set.stream()) |
| 137 | .filter(intf -> intf.vlan().equals(vlan)) |
| 138 | .collect(collectingAndThen(toSet(), ImmutableSet::copyOf)); |
| 139 | } |
| 140 | |
| 141 | private void updateInterfaces(InterfaceConfig intfConfig) { |
| 142 | interfaces.put(intfConfig.subject(), intfConfig.getInterfaces()); |
| 143 | } |
| 144 | |
| 145 | private void removeInterfaces(ConnectPoint port) { |
| 146 | interfaces.remove(port); |
| 147 | } |
| 148 | |
| 149 | /** |
| 150 | * Listener for network config events. |
| 151 | */ |
| 152 | private class InternalConfigListener implements NetworkConfigListener { |
| 153 | |
| 154 | @Override |
| 155 | public void event(NetworkConfigEvent event) { |
| 156 | switch (event.type()) { |
| 157 | case CONFIG_ADDED: |
| 158 | case CONFIG_UPDATED: |
| 159 | if (event.configClass() == InterfaceConfig.class) { |
| 160 | InterfaceConfig config = |
| 161 | configService.getConfig((ConnectPoint) event.subject(), InterfaceConfig.class); |
| 162 | updateInterfaces(config); |
| 163 | } |
| 164 | break; |
| 165 | case CONFIG_REMOVED: |
| 166 | if (event.configClass() == InterfaceConfig.class) { |
| 167 | removeInterfaces((ConnectPoint) event.subject()); |
| 168 | } |
| 169 | break; |
| 170 | case CONFIG_REGISTERED: |
| 171 | case CONFIG_UNREGISTERED: |
| 172 | default: |
| 173 | break; |
| 174 | } |
| 175 | } |
| 176 | } |
| 177 | } |