Srikanth Vavilapalli | ed12ae5 | 2015-02-09 14:43:19 -0800 | [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 | package org.onosproject.grouphandler; |
| 17 | |
| 18 | import static org.slf4j.LoggerFactory.getLogger; |
| 19 | |
| 20 | import java.util.Arrays; |
| 21 | import java.util.HashMap; |
| 22 | import java.util.List; |
| 23 | |
| 24 | import org.apache.felix.scr.annotations.Activate; |
| 25 | import org.apache.felix.scr.annotations.Component; |
| 26 | import org.apache.felix.scr.annotations.Deactivate; |
| 27 | import org.apache.felix.scr.annotations.Reference; |
| 28 | import org.apache.felix.scr.annotations.ReferenceCardinality; |
| 29 | import org.onlab.packet.MacAddress; |
| 30 | import org.onosproject.core.ApplicationId; |
| 31 | import org.onosproject.core.CoreService; |
| 32 | import org.onosproject.net.Device; |
| 33 | import org.onosproject.net.DeviceId; |
| 34 | import org.onosproject.net.device.DeviceEvent; |
| 35 | import org.onosproject.net.device.DeviceListener; |
| 36 | import org.onosproject.net.device.DeviceService; |
| 37 | import org.onosproject.net.group.GroupService; |
| 38 | import org.onosproject.net.link.LinkEvent; |
| 39 | import org.onosproject.net.link.LinkListener; |
| 40 | import org.onosproject.net.link.LinkService; |
| 41 | import org.onosproject.net.topology.TopologyService; |
| 42 | import org.slf4j.Logger; |
| 43 | |
| 44 | /** |
| 45 | * Sample application to verify group subsystem end to end. |
| 46 | * This application expects a network of maximum of six connected |
| 47 | * devices for the test to work. For every device in the network, |
| 48 | * this test application launches a default group handler function |
| 49 | * that creates ECMP groups for every neighbor the device is |
| 50 | * connected to. |
| 51 | */ |
| 52 | @Component(immediate = true) |
| 53 | public class DefaultGroupHandlerApp { |
| 54 | |
| 55 | private final Logger log = getLogger(getClass()); |
| 56 | |
| 57 | private final DeviceProperties config = new DeviceConfiguration(); |
| 58 | private ApplicationId appId; |
| 59 | private HashMap<DeviceId, DefaultGroupHandler> dghMap = |
| 60 | new HashMap<DeviceId, DefaultGroupHandler>(); |
| 61 | |
| 62 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 63 | protected TopologyService topologyService; |
| 64 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 65 | protected DeviceService deviceService; |
| 66 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 67 | protected LinkService linkService; |
| 68 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 69 | protected GroupService groupService; |
| 70 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 71 | protected CoreService coreService; |
| 72 | |
| 73 | private DeviceListener deviceListener = new InternalDeviceListener(); |
| 74 | private LinkListener linkListener = new InternalLinkListener(); |
| 75 | |
| 76 | @Activate |
| 77 | public void activate() { |
| 78 | appId = coreService.registerApplication("org.onosproject.defaultgrouphandler"); |
| 79 | log.info("DefaultGroupHandlerApp Activating"); |
| 80 | deviceService.addListener(deviceListener); |
| 81 | linkService.addListener(linkListener); |
| 82 | for (Device device: deviceService.getDevices()) { |
| 83 | log.debug("Initiating default group handling for {}", device.id()); |
| 84 | DefaultGroupHandler dgh = DefaultGroupHandler.createGroupHandler(device.id(), |
| 85 | appId, |
| 86 | config, |
| 87 | linkService, |
| 88 | groupService); |
| 89 | dgh.createGroups(); |
| 90 | dghMap.put(device.id(), dgh); |
| 91 | } |
| 92 | log.info("Activated"); |
| 93 | } |
| 94 | |
| 95 | @Deactivate |
| 96 | public void deactivate() { |
| 97 | dghMap.clear(); |
| 98 | } |
| 99 | |
| 100 | public class DeviceConfiguration implements DeviceProperties { |
| 101 | private final List<Integer> allSegmentIds = |
| 102 | Arrays.asList(101, 102, 103, 104, 105, 106); |
| 103 | private HashMap<DeviceId, Integer> deviceSegmentIdMap = |
| 104 | new HashMap<DeviceId, Integer>() { |
| 105 | { |
| 106 | put(DeviceId.deviceId("of:0000000000000001"), 101); |
| 107 | put(DeviceId.deviceId("of:0000000000000002"), 102); |
| 108 | put(DeviceId.deviceId("of:0000000000000003"), 103); |
| 109 | put(DeviceId.deviceId("of:0000000000000004"), 104); |
| 110 | put(DeviceId.deviceId("of:0000000000000005"), 105); |
| 111 | put(DeviceId.deviceId("of:0000000000000006"), 106); |
| 112 | } |
| 113 | }; |
| 114 | private final HashMap<DeviceId, MacAddress> deviceMacMap = |
| 115 | new HashMap<DeviceId, MacAddress>() { |
| 116 | { |
| 117 | put(DeviceId.deviceId("of:0000000000000001"), |
| 118 | MacAddress.valueOf("00:00:00:00:00:01")); |
| 119 | put(DeviceId.deviceId("of:0000000000000002"), |
| 120 | MacAddress.valueOf("00:00:00:00:00:02")); |
| 121 | put(DeviceId.deviceId("of:0000000000000003"), |
| 122 | MacAddress.valueOf("00:00:00:00:00:03")); |
| 123 | put(DeviceId.deviceId("of:0000000000000004"), |
| 124 | MacAddress.valueOf("00:00:00:00:00:04")); |
| 125 | put(DeviceId.deviceId("of:0000000000000005"), |
| 126 | MacAddress.valueOf("00:00:00:00:00:05")); |
| 127 | put(DeviceId.deviceId("of:0000000000000006"), |
| 128 | MacAddress.valueOf("00:00:00:00:00:06")); |
| 129 | } |
| 130 | }; |
| 131 | |
| 132 | @Override |
| 133 | public int getSegmentId(DeviceId deviceId) { |
| 134 | if (deviceSegmentIdMap.get(deviceId) != null) { |
| 135 | log.debug("getSegmentId for device{} is {}", |
| 136 | deviceId, |
| 137 | deviceSegmentIdMap.get(deviceId)); |
| 138 | return deviceSegmentIdMap.get(deviceId); |
| 139 | } else { |
| 140 | throw new IllegalStateException(); |
| 141 | } |
| 142 | } |
| 143 | @Override |
| 144 | public MacAddress getDeviceMac(DeviceId deviceId) { |
| 145 | if (deviceMacMap.get(deviceId) != null) { |
| 146 | log.debug("getDeviceMac for device{} is {}", |
| 147 | deviceId, |
| 148 | deviceMacMap.get(deviceId)); |
| 149 | return deviceMacMap.get(deviceId); |
| 150 | } else { |
| 151 | throw new IllegalStateException(); |
| 152 | } |
| 153 | } |
| 154 | @Override |
| 155 | public boolean isEdgeDevice(DeviceId deviceId) { |
| 156 | return true; |
| 157 | } |
| 158 | @Override |
| 159 | public List<Integer> getAllDeviceSegmentIds() { |
| 160 | return allSegmentIds; |
| 161 | } |
| 162 | } |
| 163 | |
| 164 | private class InternalDeviceListener implements DeviceListener { |
| 165 | |
| 166 | @Override |
| 167 | public void event(DeviceEvent event) { |
| 168 | switch (event.type()) { |
| 169 | case DEVICE_ADDED: |
| 170 | log.debug("Initiating default group handling for {}", event.subject().id()); |
| 171 | DefaultGroupHandler dgh = DefaultGroupHandler.createGroupHandler( |
| 172 | event.subject().id(), |
| 173 | appId, |
| 174 | config, |
| 175 | linkService, |
| 176 | groupService); |
| 177 | dgh.createGroups(); |
| 178 | dghMap.put(event.subject().id(), dgh); |
| 179 | break; |
| 180 | case PORT_REMOVED: |
| 181 | if (dghMap.get(event.subject().id()) != null) { |
| 182 | dghMap.get(event.subject().id()).portDown(event.port().number()); |
| 183 | } |
| 184 | break; |
| 185 | default: |
| 186 | break; |
| 187 | } |
| 188 | |
| 189 | } |
| 190 | } |
| 191 | |
| 192 | private class InternalLinkListener implements LinkListener { |
| 193 | |
| 194 | @Override |
| 195 | public void event(LinkEvent event) { |
| 196 | switch (event.type()) { |
| 197 | case LINK_ADDED: |
| 198 | if (dghMap.get(event.subject().src().deviceId()) != null) { |
| 199 | dghMap.get(event.subject().src().deviceId()).linkUp(event.subject()); |
| 200 | } |
| 201 | break; |
| 202 | default: |
| 203 | break; |
| 204 | } |
| 205 | } |
| 206 | |
| 207 | } |
| 208 | } |