Sho SHIMIZU | d97a950 | 2015-08-18 10:02:30 -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 | package org.onosproject.net.newresource.impl; |
| 17 | |
Sho SHIMIZU | 2c7cecf | 2015-11-11 14:16:14 -0800 | [diff] [blame] | 18 | import com.google.common.collect.Lists; |
Sho SHIMIZU | 44f3761 | 2015-11-25 16:23:22 -0800 | [diff] [blame^] | 19 | import org.onlab.packet.MplsLabel; |
| 20 | import org.onlab.packet.VlanId; |
| 21 | import org.onlab.util.ItemNotFoundException; |
Sho SHIMIZU | d97a950 | 2015-08-18 10:02:30 -0700 | [diff] [blame] | 22 | import org.onosproject.net.Device; |
Sho SHIMIZU | 44f3761 | 2015-11-25 16:23:22 -0800 | [diff] [blame^] | 23 | import org.onosproject.net.DeviceId; |
Sho SHIMIZU | 08fdbd2 | 2015-08-19 16:59:35 -0700 | [diff] [blame] | 24 | import org.onosproject.net.Port; |
Rimon Ashkenazy | e2410ff | 2015-11-10 14:11:08 +0200 | [diff] [blame] | 25 | import org.onosproject.net.OchPort; |
Sho SHIMIZU | 44f3761 | 2015-11-25 16:23:22 -0800 | [diff] [blame^] | 26 | import org.onosproject.net.PortNumber; |
Rimon Ashkenazy | e2410ff | 2015-11-10 14:11:08 +0200 | [diff] [blame] | 27 | import org.onosproject.net.TributarySlot; |
| 28 | import org.onosproject.net.OduSignalType; |
Sho SHIMIZU | 44f3761 | 2015-11-25 16:23:22 -0800 | [diff] [blame^] | 29 | import org.onosproject.net.behaviour.MplsQuery; |
| 30 | import org.onosproject.net.behaviour.VlanQuery; |
Sho SHIMIZU | d97a950 | 2015-08-18 10:02:30 -0700 | [diff] [blame] | 31 | import org.onosproject.net.device.DeviceEvent; |
| 32 | import org.onosproject.net.device.DeviceListener; |
Sho SHIMIZU | 44f3761 | 2015-11-25 16:23:22 -0800 | [diff] [blame^] | 33 | import org.onosproject.net.driver.DriverHandler; |
| 34 | import org.onosproject.net.driver.DriverService; |
Sho SHIMIZU | d97a950 | 2015-08-18 10:02:30 -0700 | [diff] [blame] | 35 | import org.onosproject.net.newresource.ResourceAdminService; |
| 36 | import org.onosproject.net.newresource.ResourcePath; |
Rimon Ashkenazy | e2410ff | 2015-11-10 14:11:08 +0200 | [diff] [blame] | 37 | import org.slf4j.Logger; |
| 38 | import org.slf4j.LoggerFactory; |
Sho SHIMIZU | d97a950 | 2015-08-18 10:02:30 -0700 | [diff] [blame] | 39 | |
Rimon Ashkenazy | e2410ff | 2015-11-10 14:11:08 +0200 | [diff] [blame] | 40 | import java.util.List; |
Sho SHIMIZU | d97a950 | 2015-08-18 10:02:30 -0700 | [diff] [blame] | 41 | import java.util.concurrent.ExecutorService; |
Rimon Ashkenazy | e2410ff | 2015-11-10 14:11:08 +0200 | [diff] [blame] | 42 | import java.util.stream.Collectors; |
| 43 | import java.util.stream.IntStream; |
Sho SHIMIZU | d97a950 | 2015-08-18 10:02:30 -0700 | [diff] [blame] | 44 | |
| 45 | import static com.google.common.base.Preconditions.checkNotNull; |
| 46 | |
| 47 | /** |
| 48 | * An implementation of DeviceListener registering devices as resources. |
| 49 | */ |
| 50 | final class ResourceDeviceListener implements DeviceListener { |
| 51 | |
Rimon Ashkenazy | e2410ff | 2015-11-10 14:11:08 +0200 | [diff] [blame] | 52 | private static final Logger log = LoggerFactory.getLogger(ResourceDeviceListener.class); |
| 53 | |
Sho SHIMIZU | 44f3761 | 2015-11-25 16:23:22 -0800 | [diff] [blame^] | 54 | private static final int MAX_VLAN_ID = VlanId.MAX_VLAN; |
| 55 | private static final List<VlanId> ENTIRE_VLAN_IDS = getEntireVlans(); |
| 56 | |
| 57 | private static final int MAX_MPLS_LABEL = 1048576; |
| 58 | private static final List<MplsLabel> ENTIRE_MPLS_LABELS = getEntireMplsLabels(); |
| 59 | |
Rimon Ashkenazy | e2410ff | 2015-11-10 14:11:08 +0200 | [diff] [blame] | 60 | private static final int TOTAL_ODU2_TRIBUTARY_SLOTS = 8; |
| 61 | private static final int TOTAL_ODU4_TRIBUTARY_SLOTS = 80; |
| 62 | private static final List<TributarySlot> ENTIRE_ODU2_TRIBUTARY_SLOTS = getEntireOdu2TributarySlots(); |
| 63 | private static final List<TributarySlot> ENTIRE_ODU4_TRIBUTARY_SLOTS = getEntireOdu4TributarySlots(); |
| 64 | |
Sho SHIMIZU | d97a950 | 2015-08-18 10:02:30 -0700 | [diff] [blame] | 65 | private final ResourceAdminService adminService; |
Sho SHIMIZU | 44f3761 | 2015-11-25 16:23:22 -0800 | [diff] [blame^] | 66 | private final DriverService driverService; |
Sho SHIMIZU | d97a950 | 2015-08-18 10:02:30 -0700 | [diff] [blame] | 67 | private final ExecutorService executor; |
| 68 | |
| 69 | /** |
| 70 | * Creates an instance with the specified ResourceAdminService and ExecutorService. |
| 71 | * |
| 72 | * @param adminService instance invoked to register resources |
| 73 | * @param executor executor used for processing resource registration |
| 74 | */ |
Sho SHIMIZU | 44f3761 | 2015-11-25 16:23:22 -0800 | [diff] [blame^] | 75 | ResourceDeviceListener(ResourceAdminService adminService, DriverService driverService, |
| 76 | ExecutorService executor) { |
Sho SHIMIZU | d97a950 | 2015-08-18 10:02:30 -0700 | [diff] [blame] | 77 | this.adminService = checkNotNull(adminService); |
Sho SHIMIZU | 44f3761 | 2015-11-25 16:23:22 -0800 | [diff] [blame^] | 78 | this.driverService = checkNotNull(driverService); |
Sho SHIMIZU | d97a950 | 2015-08-18 10:02:30 -0700 | [diff] [blame] | 79 | this.executor = checkNotNull(executor); |
| 80 | } |
| 81 | |
| 82 | @Override |
| 83 | public void event(DeviceEvent event) { |
| 84 | Device device = event.subject(); |
| 85 | switch (event.type()) { |
| 86 | case DEVICE_ADDED: |
| 87 | registerDeviceResource(device); |
| 88 | break; |
Sho SHIMIZU | e60a5ab | 2015-08-20 11:51:49 -0700 | [diff] [blame] | 89 | case DEVICE_REMOVED: |
| 90 | unregisterDeviceResource(device); |
| 91 | break; |
Sho SHIMIZU | 08fdbd2 | 2015-08-19 16:59:35 -0700 | [diff] [blame] | 92 | case PORT_ADDED: |
| 93 | registerPortResource(device, event.port()); |
Sho SHIMIZU | c2ddedd | 2015-08-20 11:54:29 -0700 | [diff] [blame] | 94 | break; |
Sho SHIMIZU | e229284 | 2015-08-20 11:59:23 -0700 | [diff] [blame] | 95 | case PORT_REMOVED: |
| 96 | unregisterPortResource(device, event.port()); |
| 97 | break; |
Sho SHIMIZU | d97a950 | 2015-08-18 10:02:30 -0700 | [diff] [blame] | 98 | default: |
| 99 | break; |
| 100 | } |
| 101 | } |
| 102 | |
| 103 | private void registerDeviceResource(Device device) { |
Sho SHIMIZU | 2c7cecf | 2015-11-11 14:16:14 -0800 | [diff] [blame] | 104 | executor.submit(() -> adminService.registerResources(ResourcePath.discrete(device.id()))); |
Sho SHIMIZU | d97a950 | 2015-08-18 10:02:30 -0700 | [diff] [blame] | 105 | } |
Sho SHIMIZU | 08fdbd2 | 2015-08-19 16:59:35 -0700 | [diff] [blame] | 106 | |
Sho SHIMIZU | e60a5ab | 2015-08-20 11:51:49 -0700 | [diff] [blame] | 107 | private void unregisterDeviceResource(Device device) { |
Sho SHIMIZU | 2c7cecf | 2015-11-11 14:16:14 -0800 | [diff] [blame] | 108 | executor.submit(() -> adminService.unregisterResources(ResourcePath.discrete(device.id()))); |
Sho SHIMIZU | e60a5ab | 2015-08-20 11:51:49 -0700 | [diff] [blame] | 109 | } |
| 110 | |
Sho SHIMIZU | 08fdbd2 | 2015-08-19 16:59:35 -0700 | [diff] [blame] | 111 | private void registerPortResource(Device device, Port port) { |
Rimon Ashkenazy | e2410ff | 2015-11-10 14:11:08 +0200 | [diff] [blame] | 112 | ResourcePath portPath = ResourcePath.discrete(device.id(), port.number()); |
Sho SHIMIZU | 2c7cecf | 2015-11-11 14:16:14 -0800 | [diff] [blame] | 113 | executor.submit(() -> { |
| 114 | adminService.registerResources(portPath); |
Rimon Ashkenazy | e2410ff | 2015-11-10 14:11:08 +0200 | [diff] [blame] | 115 | |
Sho SHIMIZU | 44f3761 | 2015-11-25 16:23:22 -0800 | [diff] [blame^] | 116 | // for VLAN IDs |
| 117 | if (isVlanEnabled(device.id(), port.number())) { |
| 118 | adminService.registerResources(Lists.transform(ENTIRE_VLAN_IDS, portPath::child)); |
| 119 | } |
| 120 | |
| 121 | // for MPLS labels |
| 122 | if (isMplsEnabled(device.id(), port.number())) { |
| 123 | adminService.registerResources(Lists.transform(ENTIRE_MPLS_LABELS, portPath::child)); |
| 124 | } |
| 125 | |
| 126 | // for Tributary slots |
| 127 | // TODO: need to define Behaviour to make a query about OCh port |
Sho SHIMIZU | 2c7cecf | 2015-11-11 14:16:14 -0800 | [diff] [blame] | 128 | switch (port.type()) { |
| 129 | case OCH: |
| 130 | // register ODU TributarySlots against the OCH port |
| 131 | registerTributarySlotsResources(((OchPort) port).signalType(), portPath); |
| 132 | break; |
| 133 | default: |
| 134 | break; |
| 135 | } |
| 136 | }); |
Rimon Ashkenazy | e2410ff | 2015-11-10 14:11:08 +0200 | [diff] [blame] | 137 | } |
| 138 | |
| 139 | private void registerTributarySlotsResources(OduSignalType oduSignalType, ResourcePath portPath) { |
| 140 | switch (oduSignalType) { |
| 141 | case ODU2: |
Sho SHIMIZU | 2c7cecf | 2015-11-11 14:16:14 -0800 | [diff] [blame] | 142 | adminService.registerResources(Lists.transform(ENTIRE_ODU2_TRIBUTARY_SLOTS, portPath::child)); |
Rimon Ashkenazy | e2410ff | 2015-11-10 14:11:08 +0200 | [diff] [blame] | 143 | break; |
| 144 | case ODU4: |
Sho SHIMIZU | 2c7cecf | 2015-11-11 14:16:14 -0800 | [diff] [blame] | 145 | adminService.registerResources(Lists.transform(ENTIRE_ODU4_TRIBUTARY_SLOTS, portPath::child)); |
Rimon Ashkenazy | e2410ff | 2015-11-10 14:11:08 +0200 | [diff] [blame] | 146 | break; |
| 147 | default: |
| 148 | break; |
| 149 | } |
Sho SHIMIZU | 08fdbd2 | 2015-08-19 16:59:35 -0700 | [diff] [blame] | 150 | } |
Sho SHIMIZU | e229284 | 2015-08-20 11:59:23 -0700 | [diff] [blame] | 151 | |
| 152 | private void unregisterPortResource(Device device, Port port) { |
Sho SHIMIZU | 2c7cecf | 2015-11-11 14:16:14 -0800 | [diff] [blame] | 153 | ResourcePath resource = ResourcePath.discrete(device.id(), port.number()); |
| 154 | executor.submit(() -> adminService.unregisterResources(resource)); |
Sho SHIMIZU | e229284 | 2015-08-20 11:59:23 -0700 | [diff] [blame] | 155 | } |
Rimon Ashkenazy | e2410ff | 2015-11-10 14:11:08 +0200 | [diff] [blame] | 156 | |
Sho SHIMIZU | 44f3761 | 2015-11-25 16:23:22 -0800 | [diff] [blame^] | 157 | private boolean isVlanEnabled(DeviceId device, PortNumber port) { |
| 158 | try { |
| 159 | DriverHandler handler = driverService.createHandler(device); |
| 160 | if (handler == null) { |
| 161 | return false; |
| 162 | } |
| 163 | |
| 164 | VlanQuery query = handler.behaviour(VlanQuery.class); |
| 165 | return query != null && query.isEnabled(port); |
| 166 | } catch (ItemNotFoundException e) { |
| 167 | return false; |
| 168 | } |
| 169 | } |
| 170 | |
| 171 | private boolean isMplsEnabled(DeviceId device, PortNumber port) { |
| 172 | try { |
| 173 | DriverHandler handler = driverService.createHandler(device); |
| 174 | if (handler == null) { |
| 175 | return false; |
| 176 | } |
| 177 | |
| 178 | MplsQuery query = handler.behaviour(MplsQuery.class); |
| 179 | return query != null && query.isEnabled(port); |
| 180 | } catch (ItemNotFoundException e) { |
| 181 | return false; |
| 182 | } |
| 183 | } |
| 184 | |
| 185 | private static List<VlanId> getEntireVlans() { |
| 186 | return IntStream.range(0, MAX_VLAN_ID) |
| 187 | .mapToObj(x -> VlanId.vlanId((short) x)) |
| 188 | .collect(Collectors.toList()); |
| 189 | } |
| 190 | |
| 191 | private static List<MplsLabel> getEntireMplsLabels() { |
| 192 | // potentially many objects are created |
| 193 | return IntStream.range(0, MAX_MPLS_LABEL) |
| 194 | .mapToObj(MplsLabel::mplsLabel) |
| 195 | .collect(Collectors.toList()); |
| 196 | } |
| 197 | |
Rimon Ashkenazy | e2410ff | 2015-11-10 14:11:08 +0200 | [diff] [blame] | 198 | private static List<TributarySlot> getEntireOdu2TributarySlots() { |
| 199 | return IntStream.rangeClosed(1, TOTAL_ODU2_TRIBUTARY_SLOTS) |
Sho SHIMIZU | 44f3761 | 2015-11-25 16:23:22 -0800 | [diff] [blame^] | 200 | .mapToObj(TributarySlot::of) |
Rimon Ashkenazy | e2410ff | 2015-11-10 14:11:08 +0200 | [diff] [blame] | 201 | .collect(Collectors.toList()); |
| 202 | } |
| 203 | private static List<TributarySlot> getEntireOdu4TributarySlots() { |
| 204 | return IntStream.rangeClosed(1, TOTAL_ODU4_TRIBUTARY_SLOTS) |
Sho SHIMIZU | 44f3761 | 2015-11-25 16:23:22 -0800 | [diff] [blame^] | 205 | .mapToObj(TributarySlot::of) |
Rimon Ashkenazy | e2410ff | 2015-11-10 14:11:08 +0200 | [diff] [blame] | 206 | .collect(Collectors.toList()); |
| 207 | } |
Sho SHIMIZU | d97a950 | 2015-08-18 10:02:30 -0700 | [diff] [blame] | 208 | } |