Carolina Fernandez | ad89343 | 2016-07-18 11:11:34 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2016-present 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.sdxl2; |
| 18 | |
| 19 | |
| 20 | import org.onlab.packet.VlanId; |
| 21 | import org.onosproject.core.ApplicationId; |
| 22 | import org.onosproject.net.EncapsulationType; |
| 23 | import org.onosproject.net.flow.DefaultTrafficTreatment; |
| 24 | import org.onosproject.net.flow.TrafficSelector; |
| 25 | import org.onosproject.net.flow.TrafficTreatment; |
| 26 | import org.onosproject.net.intent.Constraint; |
| 27 | import org.onosproject.net.intent.Intent; |
| 28 | import org.onosproject.net.intent.IntentService; |
| 29 | import org.onosproject.net.intent.Key; |
| 30 | import org.onosproject.net.intent.PointToPointIntent; |
| 31 | import org.onosproject.net.intent.constraint.EncapsulationConstraint; |
| 32 | import org.slf4j.Logger; |
| 33 | import org.slf4j.LoggerFactory; |
| 34 | |
| 35 | import java.util.ArrayList; |
| 36 | import java.util.Collection; |
| 37 | import java.util.Iterator; |
| 38 | import java.util.LinkedList; |
| 39 | import java.util.List; |
| 40 | |
| 41 | /** |
| 42 | * Manages Virtual Circuits using MPLS headers. |
| 43 | */ |
| 44 | public class SdxL2MplsVCManager extends SdxL2VCManager { |
| 45 | |
| 46 | private static final int PRIORITY_OFFSET = 2000; |
| 47 | private static Logger log = LoggerFactory.getLogger(SdxL2MplsVCManager.class); |
| 48 | |
| 49 | // TODO Remember to create two intents: one for IPv4 and one for IPv6 |
| 50 | |
| 51 | /** |
| 52 | * Creates an SDX-L2 MPLS VC Manager. |
| 53 | * |
| 54 | * @param sdxl2id application ID |
| 55 | * @param store reference to the SDX-L2 store |
| 56 | * @param intentService reference to the Intent service |
| 57 | */ |
| 58 | public SdxL2MplsVCManager(ApplicationId sdxl2id, |
| 59 | SdxL2Store store, |
| 60 | IntentService intentService) { |
| 61 | |
| 62 | super(sdxl2id, store, intentService); |
| 63 | log.info("Started"); |
| 64 | } |
| 65 | |
| 66 | @Override |
| 67 | public Collection<Intent> buildIntents(String sdxl2, SdxL2ConnectionPoint ingress, |
| 68 | SdxL2ConnectionPoint egress) { |
| 69 | List<Intent> intents = null; |
| 70 | TrafficSelector selector; |
| 71 | TrafficTreatment treatment; |
| 72 | List<Constraint> encapsulation; |
| 73 | Key key; |
| 74 | |
| 75 | if (ingress.vlanIds().size() == egress.vlanIds().size()) { |
| 76 | intents = new ArrayList<Intent>(); |
| 77 | if (ingress.vlanIds().size() == 0) { |
| 78 | |
| 79 | selector = buildSelector(null, null); |
| 80 | treatment = DefaultTrafficTreatment.emptyTreatment(); |
| 81 | encapsulation = buildConstraints(); |
| 82 | |
| 83 | key = generateIntentKey(sdxl2, ingress, egress, "1"); |
| 84 | |
| 85 | intents.add(PointToPointIntent.builder() |
| 86 | .appId(appId) |
| 87 | .key(key) |
| 88 | .selector(selector) |
| 89 | .treatment(treatment) |
| 90 | .constraints(encapsulation) |
| 91 | .ingressPoint(ingress.connectPoint()) |
| 92 | .egressPoint(egress.connectPoint()) |
| 93 | .priority(PRIORITY_OFFSET) |
| 94 | .build()); |
| 95 | } else { |
| 96 | |
| 97 | Iterator<VlanId> ingressTags = ingress.vlanIds().iterator(); |
| 98 | Iterator<VlanId> egressTags = egress.vlanIds().iterator(); |
| 99 | int index = 1; |
| 100 | while (ingressTags.hasNext()) { |
| 101 | selector = buildSelector(null, ingressTags.next()); |
| 102 | treatment = buildTreatment(egressTags.next(), |
| 103 | null, |
| 104 | false); |
| 105 | encapsulation = buildConstraints(); |
| 106 | |
| 107 | key = generateIntentKey(sdxl2, ingress, egress, String.valueOf(index)); |
| 108 | |
| 109 | intents.add(PointToPointIntent.builder() |
| 110 | .appId(appId) |
| 111 | .key(key) |
| 112 | .selector(selector) |
| 113 | .treatment(treatment) |
| 114 | .constraints(encapsulation) |
| 115 | .ingressPoint(ingress.connectPoint()) |
| 116 | .egressPoint(egress.connectPoint()) |
| 117 | .priority(PRIORITY_OFFSET) |
| 118 | .build()); |
| 119 | index = index + 1; |
| 120 | } |
| 121 | |
| 122 | } |
| 123 | return intents; |
| 124 | } |
| 125 | |
| 126 | if (ingress.vlanIds().size() == 1 && egress.vlanIds().size() == 0) { |
| 127 | |
| 128 | Iterator<VlanId> ingressTags = ingress.vlanIds().iterator(); |
| 129 | intents = new ArrayList<Intent>(); |
| 130 | |
| 131 | selector = buildSelector(null, ingressTags.next()); |
| 132 | treatment = buildTreatment(null, |
| 133 | null, |
| 134 | true); |
| 135 | encapsulation = buildConstraints(); |
| 136 | |
| 137 | |
| 138 | key = generateIntentKey(sdxl2, ingress, egress, "1"); |
| 139 | |
| 140 | intents.add(PointToPointIntent.builder() |
| 141 | .appId(appId) |
| 142 | .key(key) |
| 143 | .selector(selector) |
| 144 | .treatment(treatment) |
| 145 | .constraints(encapsulation) |
| 146 | .ingressPoint(ingress.connectPoint()) |
| 147 | .egressPoint(egress.connectPoint()) |
| 148 | .priority(PRIORITY_OFFSET) |
| 149 | .build()); |
| 150 | return intents; |
| 151 | |
| 152 | } |
| 153 | |
| 154 | if (ingress.vlanIds().size() == 0 && egress.vlanIds().size() == 1) { |
| 155 | |
| 156 | Iterator<VlanId> egressTags = egress.vlanIds().iterator(); |
| 157 | intents = new ArrayList<Intent>(); |
| 158 | |
| 159 | selector = buildSelector(null, null); |
| 160 | treatment = buildTreatment(null, |
| 161 | egressTags.next(), |
| 162 | false); |
| 163 | encapsulation = buildConstraints(); |
| 164 | |
| 165 | key = generateIntentKey(sdxl2, ingress, egress, "1"); |
| 166 | |
| 167 | intents.add(PointToPointIntent.builder() |
| 168 | .appId(appId) |
| 169 | .key(key) |
| 170 | .selector(selector) |
| 171 | .treatment(treatment) |
| 172 | .constraints(encapsulation) |
| 173 | .ingressPoint(ingress.connectPoint()) |
| 174 | .egressPoint(egress.connectPoint()) |
| 175 | .priority(PRIORITY_OFFSET) |
| 176 | .build()); |
| 177 | return intents; |
| 178 | } |
| 179 | |
| 180 | log.warn(String.format(errorCreateIntents, ingress.name(), egress.name())); |
| 181 | |
| 182 | return intents; |
| 183 | } |
| 184 | |
| 185 | @Override |
| 186 | protected List<Constraint> buildConstraints() { |
| 187 | final List<Constraint> constraints = new LinkedList<>(); |
| 188 | constraints.add(new EncapsulationConstraint(EncapsulationType.MPLS)); |
| 189 | return constraints; |
| 190 | } |
| 191 | |
| 192 | } |