Yuta HIGUCHI | d6a576d | 2017-08-03 18:35:55 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2017-present Open Networking Foundation |
| 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.d.config; |
| 17 | |
| 18 | import static com.google.common.base.Preconditions.checkArgument; |
| 19 | import static com.google.common.base.Preconditions.checkNotNull; |
Yuta HIGUCHI | e057dee | 2017-09-15 13:56:10 -0700 | [diff] [blame] | 20 | import static org.onosproject.d.config.ResourceIds.ROOT_ID; |
Yuta HIGUCHI | d6a576d | 2017-08-03 18:35:55 -0700 | [diff] [blame] | 21 | import static org.slf4j.LoggerFactory.getLogger; |
| 22 | |
| 23 | import java.util.Collections; |
| 24 | import java.util.IdentityHashMap; |
| 25 | import java.util.Map; |
| 26 | import java.util.concurrent.CompletableFuture; |
| 27 | |
| 28 | import org.onosproject.config.DynamicConfigEvent; |
| 29 | import org.onosproject.config.DynamicConfigListener; |
| 30 | import org.onosproject.config.DynamicConfigService; |
| 31 | import org.onosproject.config.Filter; |
| 32 | import org.onosproject.config.ForwardingDynamicConfigService; |
| 33 | import org.onosproject.net.DeviceId; |
| 34 | import org.onosproject.yang.model.DataNode; |
| 35 | import org.onosproject.yang.model.ResourceId; |
| 36 | import org.onosproject.yang.model.RpcInput; |
| 37 | import org.onosproject.yang.model.RpcOutput; |
| 38 | import org.slf4j.Logger; |
| 39 | |
| 40 | import com.google.common.annotations.Beta; |
| 41 | |
| 42 | /** |
| 43 | * DynamicConfigService interface to provide a viewport |
| 44 | * under specified Device's tree. |
| 45 | */ |
| 46 | @Beta |
| 47 | public class DynamicDeviceConfigServiceView |
| 48 | extends ForwardingDynamicConfigService |
| 49 | implements DynamicConfigService { |
| 50 | |
| 51 | private static final Logger log = getLogger(DynamicDeviceConfigServiceView.class); |
| 52 | |
| 53 | private final DeviceId deviceId; |
| 54 | |
Yuta HIGUCHI | e057dee | 2017-09-15 13:56:10 -0700 | [diff] [blame] | 55 | // absolute ResourceId |
Yuta HIGUCHI | d6a576d | 2017-08-03 18:35:55 -0700 | [diff] [blame] | 56 | private ResourceId deviceRoot; |
| 57 | |
| 58 | /** |
| 59 | * original to wrapped listener. |
| 60 | */ |
| 61 | private final Map<DynamicConfigListener, DynamicConfigListener> wrapped = |
| 62 | Collections.synchronizedMap(new IdentityHashMap<>()); |
| 63 | |
| 64 | protected DynamicDeviceConfigServiceView(DynamicConfigService delegate, DeviceId deviceId) { |
| 65 | super(delegate); |
| 66 | this.deviceId = checkNotNull(deviceId); |
| 67 | this.deviceRoot = DeviceResourceIds.toResourceId(this.deviceId); |
| 68 | } |
| 69 | |
| 70 | /** |
| 71 | * Create a DynamicDeviceConfigServiceView for specified {@code deviceId}. |
| 72 | * |
| 73 | * @param service reference to actual DynamicConfigService. |
| 74 | * @param deviceId of the Device to provide view port about. |
| 75 | * @return DynamicDeviceConfigServiceView |
| 76 | */ |
| 77 | public static DynamicDeviceConfigServiceView deviceView(DynamicConfigService service, |
| 78 | DeviceId deviceId) { |
| 79 | return new DynamicDeviceConfigServiceView(service, deviceId); |
| 80 | } |
| 81 | |
| 82 | @Override |
| 83 | public void createNode(ResourceId path, DataNode node) { |
| 84 | super.createNode(toAbsoluteId(path), node); |
| 85 | } |
| 86 | |
| 87 | @Override |
| 88 | public DataNode readNode(ResourceId path, Filter filter) { |
| 89 | // FIXME transform filter? is it possible? |
| 90 | return super.readNode(toAbsoluteId(path), filter); |
| 91 | } |
| 92 | |
| 93 | @Override |
| 94 | public Boolean nodeExist(ResourceId path) { |
| 95 | return super.nodeExist(toAbsoluteId(path)); |
| 96 | } |
| 97 | |
| 98 | @Override |
| 99 | public void updateNode(ResourceId path, DataNode node) { |
| 100 | super.updateNode(toAbsoluteId(path), node); |
| 101 | } |
| 102 | |
| 103 | @Override |
| 104 | public void replaceNode(ResourceId path, DataNode node) { |
| 105 | super.replaceNode(toAbsoluteId(path), node); |
| 106 | } |
| 107 | |
| 108 | @Override |
| 109 | public void deleteNode(ResourceId path) { |
| 110 | super.deleteNode(toAbsoluteId(path)); |
| 111 | } |
| 112 | |
| 113 | @Override |
| 114 | public CompletableFuture<RpcOutput> invokeRpc(ResourceId id, |
| 115 | RpcInput input) { |
| 116 | return super.invokeRpc(toAbsoluteId(id), input); |
| 117 | } |
| 118 | |
| 119 | @Override |
Gaurav Agrawal | 142ceb0 | 2018-02-16 12:19:08 +0530 | [diff] [blame] | 120 | public CompletableFuture<RpcOutput> invokeRpc(RpcInput input) { |
| 121 | return super.invokeRpc(new RpcInput(toAbsoluteId(input.id()), input.data())); |
| 122 | } |
| 123 | |
| 124 | @Override |
Yuta HIGUCHI | d6a576d | 2017-08-03 18:35:55 -0700 | [diff] [blame] | 125 | public void addListener(DynamicConfigListener listener) { |
| 126 | super.addListener(wrapped.computeIfAbsent(listener, |
| 127 | DynamicDeviceConfigListener::new)); |
| 128 | } |
| 129 | |
| 130 | @Override |
| 131 | public void removeListener(DynamicConfigListener listener) { |
| 132 | DynamicConfigListener w = wrapped.remove(listener); |
| 133 | if (w != null) { |
| 134 | super.removeListener(w); |
| 135 | } |
| 136 | } |
| 137 | |
| 138 | private ResourceId toAbsoluteId(ResourceId path) { |
| 139 | checkArgument(!path.nodeKeys().contains(DeviceResourceIds.ROOT_NODE), |
| 140 | "%s was already absolute path", path); |
| 141 | |
| 142 | return ResourceIds.concat(deviceRoot, path); |
| 143 | } |
| 144 | |
| 145 | private ResourceId toDeviceRelativeId(ResourceId path) { |
Yuta HIGUCHI | e057dee | 2017-09-15 13:56:10 -0700 | [diff] [blame] | 146 | // case: absolute |
| 147 | if (ResourceIds.startsWithRootNode(path)) { |
| 148 | return ResourceIds.relativize(deviceRoot, path); |
| 149 | } |
| 150 | // case: root relative |
| 151 | if (DeviceResourceIds.isUnderDeviceRootNode(path)) { |
| 152 | // TODO not efficient |
| 153 | return ResourceIds.relativize(deviceRoot, ResourceIds.concat(ROOT_ID, path)); |
| 154 | } |
| 155 | throw new IllegalArgumentException(path + " was not absolute device path"); |
Yuta HIGUCHI | d6a576d | 2017-08-03 18:35:55 -0700 | [diff] [blame] | 156 | } |
| 157 | |
| 158 | class DynamicDeviceConfigListener implements DynamicConfigListener { |
| 159 | |
| 160 | private final DynamicConfigListener lsnr; |
| 161 | |
| 162 | DynamicDeviceConfigListener(DynamicConfigListener lsnr) { |
| 163 | this.lsnr = checkNotNull(lsnr); |
| 164 | } |
| 165 | |
| 166 | private DynamicConfigEvent deviceEvent(DynamicConfigEvent event) { |
| 167 | return new DynamicConfigEvent(event.type(), |
| 168 | toDeviceRelativeId(event.subject())); |
| 169 | } |
| 170 | |
| 171 | @Override |
| 172 | public boolean isRelevant(DynamicConfigEvent event) { |
| 173 | // FIXME ignore event irrelevant to current device |
| 174 | return lsnr.isRelevant(deviceEvent(event)); |
| 175 | } |
| 176 | |
| 177 | @Override |
| 178 | public void event(DynamicConfigEvent event) { |
| 179 | lsnr.event(deviceEvent(event)); |
| 180 | } |
| 181 | |
| 182 | } |
| 183 | } |