Thomas Vachuska | 0d93386 | 2018-04-06 00:29:30 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2018-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 | |
| 17 | package org.onosproject.layout; |
| 18 | |
| 19 | import org.apache.felix.scr.annotations.Activate; |
| 20 | import org.apache.felix.scr.annotations.Component; |
| 21 | import org.apache.felix.scr.annotations.Deactivate; |
| 22 | import org.apache.felix.scr.annotations.Reference; |
| 23 | import org.apache.felix.scr.annotations.ReferenceCardinality; |
| 24 | import org.apache.felix.scr.annotations.Service; |
| 25 | import org.onosproject.net.config.NetworkConfigService; |
| 26 | import org.onosproject.net.device.DeviceService; |
| 27 | import org.onosproject.net.host.HostService; |
| 28 | import org.onosproject.net.link.LinkService; |
| 29 | import org.slf4j.Logger; |
| 30 | import org.slf4j.LoggerFactory; |
| 31 | |
| 32 | /** |
| 33 | * Manages automatic layout of the current network elements into one of several |
| 34 | * supported layout variants using roles assigned to network elements using |
| 35 | * network configuration. |
| 36 | */ |
| 37 | @Component(immediate = true) |
| 38 | @Service(value = RoleBasedLayoutManager.class) |
| 39 | public class RoleBasedLayoutManager { |
| 40 | |
| 41 | private Logger log = LoggerFactory.getLogger(getClass()); |
| 42 | |
| 43 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 44 | protected NetworkConfigService networkConfigService; |
| 45 | |
| 46 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 47 | protected DeviceService deviceService; |
| 48 | |
| 49 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 50 | protected HostService hostService; |
| 51 | |
| 52 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 53 | protected LinkService linkService; |
| 54 | |
| 55 | @Activate |
| 56 | protected void activate() { |
| 57 | log.info("Started"); |
| 58 | } |
| 59 | |
| 60 | @Deactivate |
| 61 | protected void deactivate() { |
| 62 | log.info("Stopped"); |
| 63 | } |
| 64 | |
| 65 | |
| 66 | /** |
| 67 | * Executes the specified layout algorithm. |
| 68 | * |
| 69 | * @param algorithm layout algorithm |
| 70 | */ |
| 71 | public void layout(LayoutAlgorithm algorithm) { |
| 72 | algorithm.init(deviceService, hostService, linkService, networkConfigService); |
| 73 | algorithm.classify(); |
| 74 | log.info("Layout classified: {}", algorithm); |
| 75 | algorithm.apply(); |
| 76 | } |
| 77 | |
| 78 | } |