netvirt/src/main/java/org/opendaylight/unimgr/mef/netvirt/MefServicesUtils.java

   1 /*
   2  * Copyright (c) 2016 Hewlett Packard Enterprise, Co. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8
   9 package org.opendaylight.unimgr.mef.netvirt;
  10
  11 import java.util.ArrayList;
  12 import java.util.Collections;
  13 import java.util.List;
  14 import java.util.stream.Collectors;
  15
  16 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  17 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
  18 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  19 import org.opendaylight.yang.gen.v1.http.metroethernetforum.org.ns.yang.mef.interfaces.rev150526.mef.interfaces.subnets.Subnet;
  20 import org.opendaylight.yang.gen.v1.http.metroethernetforum.org.ns.yang.mef.services.rev150526.IpvcVpn;
  21 import org.opendaylight.yang.gen.v1.http.metroethernetforum.org.ns.yang.mef.services.rev150526.IpvcVpnBuilder;
  22 import org.opendaylight.yang.gen.v1.http.metroethernetforum.org.ns.yang.mef.services.rev150526.MefServices;
  23 import org.opendaylight.yang.gen.v1.http.metroethernetforum.org.ns.yang.mef.services.rev150526.mef.services.MefService;
  24 import org.opendaylight.yang.gen.v1.http.metroethernetforum.org.ns.yang.mef.services.rev150526.mef.services.MefServiceKey;
  25 import org.opendaylight.yang.gen.v1.http.metroethernetforum.org.ns.yang.mef.services.rev150526.mef.services.mef.service.mef.service.choice.evc.choice.Evc;
  26 import org.opendaylight.yang.gen.v1.http.metroethernetforum.org.ns.yang.mef.services.rev150526.mef.services.mef.service.mef.service.choice.ipvc.choice.Ipvc;
  27 import org.opendaylight.yang.gen.v1.http.metroethernetforum.org.ns.yang.mef.services.rev150526.mef.services.mef.service.mef.service.choice.ipvc.choice.ipvc.Unis;
  28 import org.opendaylight.yang.gen.v1.http.metroethernetforum.org.ns.yang.mef.services.rev150526.mef.services.mef.service.mef.service.choice.ipvc.choice.ipvc.VpnElans;
  29 import org.opendaylight.yang.gen.v1.http.metroethernetforum.org.ns.yang.mef.services.rev150526.mef.services.mef.service.mef.service.choice.ipvc.choice.ipvc.VpnElansBuilder;
  30 import org.opendaylight.yang.gen.v1.http.metroethernetforum.org.ns.yang.mef.services.rev150526.mef.services.mef.service.mef.service.choice.ipvc.choice.ipvc.vpn.elans.Subnets;
  31 import org.opendaylight.yang.gen.v1.http.metroethernetforum.org.ns.yang.mef.services.rev150526.mef.services.mef.service.mef.service.choice.ipvc.choice.ipvc.vpn.elans.SubnetsBuilder;
  32 import org.opendaylight.yang.gen.v1.http.metroethernetforum.org.ns.yang.mef.types.rev150526.Identifier45;
  33 import org.opendaylight.yang.gen.v1.http.metroethernetforum.org.ns.yang.mef.types.rev150526.RetailSvcIdType;
  34 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  35
  36 import com.google.common.base.Optional;
  37
  38 public class MefServicesUtils {
  39
  40     public static InstanceIdentifier<Unis> getIpvcUnisInstanceIdentifier() {
  41         return InstanceIdentifier.builder(MefServices.class).child(MefService.class).child(Ipvc.class).child(Unis.class)
  42                 .build();
  43     }
  44
  45     public static InstanceIdentifier<Evc> getEvcsInstanceIdentifier() {
  46         return getMefServiceInstanceIdentifier().child(Evc.class);
  47     }
  48
  49     public static InstanceIdentifier<MefService> getMefServiceInstanceIdentifier() {
  50         return InstanceIdentifier.create(MefServices.class).child(MefService.class);
  51     }
  52
  53     public static InstanceIdentifier<MefServices> getMefServicesInstanceIdentifier() {
  54         return InstanceIdentifier.create(MefServices.class);
  55     }
  56
  57     public static InstanceIdentifier<Ipvc> getIpvcsInstanceIdentifier() {
  58         return InstanceIdentifier.create(MefServices.class).child(MefService.class).child(Ipvc.class);
  59     }
  60
  61     public static InstanceIdentifier<Ipvc> getIpvcsInstanceIdentifier(RetailSvcIdType svcId) {
  62         return InstanceIdentifier.create(MefServices.class).child(MefService.class, new MefServiceKey(svcId))
  63                 .child(Ipvc.class);
  64     }
  65
  66     public static VpnElans findVpnForNetwork(Subnet newSubnet, IpvcVpn ipvcVpn) {
  67         return findVpnElanForNetwork(newSubnet.getUniId(), newSubnet.getIpUniId(), ipvcVpn);
  68     }
  69
  70     public static VpnElans findVpnElanForNetwork(Identifier45 uniId, Identifier45 ipUniId, IpvcVpn ipvcVpn) {
  71         List<VpnElans> vpnElans = ipvcVpn != null && ipvcVpn.getVpnElans() != null ? ipvcVpn.getVpnElans()
  72                 : Collections.emptyList();
  73
  74         for (VpnElans vpnElan : vpnElans) {
  75             if (vpnElan.getUniId().equals(uniId) && vpnElan.getIpUniId().equals(ipUniId)) {
  76                 return vpnElan;
  77             }
  78         }
  79         return null;
  80     }
  81
  82     public static VpnElans findNetwork(Subnet newSubnet, VpnElans vpnElan) {
  83         String subnetStr = NetvirtVpnUtils.ipPrefixToString(newSubnet.getSubnet());
  84         return findNetwork(subnetStr, vpnElan);
  85     }
  86
  87     public static VpnElans findNetwork(String newSubnet, VpnElans vpnElan) {
  88         List<Subnets> subnets = vpnElan != null && vpnElan.getSubnets() != null ? vpnElan.getSubnets()
  89                 : Collections.emptyList();
  90         if (subnets.stream().anyMatch((s) -> s.getSubnet().equals(newSubnet))) {
  91             return vpnElan;
  92         }
  93         return null;
  94     }
  95
  96     public static IpvcVpn getOperIpvcVpn(DataBroker dataBroker, InstanceIdentifier<Ipvc> identifier) {
  97         InstanceIdentifier<IpvcVpn> path = identifier.augmentation(IpvcVpn.class);
  98         Optional<IpvcVpn> ipvcVpn = MdsalUtils.read(dataBroker, LogicalDatastoreType.OPERATIONAL, path);
  99         if (ipvcVpn.isPresent()) {
 100             return ipvcVpn.get();
 101         } else {
 102             return null;
 103         }
 104     }
 105
 106     public static void addOperIpvcVpnElan(InstanceIdentifier<Ipvc> identifier, String vpnId, WriteTransaction tx) {
 107
 108         synchronized (vpnId.intern()) {
 109             InstanceIdentifier<IpvcVpn> path = identifier.augmentation(IpvcVpn.class);
 110
 111             IpvcVpnBuilder ipvcVpnBuilder = new IpvcVpnBuilder();
 112             ipvcVpnBuilder.setVpnId(vpnId);
 113
 114             tx.merge(LogicalDatastoreType.OPERATIONAL, path, ipvcVpnBuilder.build(), true);
 115         }
 116     }
 117
 118     public static void addOperIpvcVpnElan(InstanceIdentifier<Ipvc> identifier, String vpnId, Identifier45 uniId,
 119             Identifier45 ipUniId, String elanId, String elanPortId, List<String> newSubnets, WriteTransaction tx) {
 120
 121         synchronized (vpnId.intern()) {
 122             InstanceIdentifier<IpvcVpn> path = identifier.augmentation(IpvcVpn.class);
 123
 124             IpvcVpnBuilder ipvcVpnBuilder = new IpvcVpnBuilder();
 125             ipvcVpnBuilder.setVpnId(vpnId);
 126
 127             List<VpnElans> vpnElansEx = new ArrayList<>();
 128             VpnElansBuilder vpnElans = new VpnElansBuilder();
 129             vpnElans.setElanId(elanId);
 130             vpnElans.setUniId(uniId);
 131             vpnElans.setIpUniId(ipUniId);
 132             vpnElans.setElanPort(elanPortId);
 133             List<Subnets> subnets = new ArrayList<>();
 134             if (newSubnets != null) {
 135                 newSubnets.forEach(s -> {
 136                     SubnetsBuilder sb = new SubnetsBuilder();
 137                     sb.setSubnet(s);
 138                     subnets.add(sb.build());
 139                 });
 140             }
 141             vpnElans.setSubnets(subnets);
 142             vpnElansEx.add(vpnElans.build());
 143             ipvcVpnBuilder.setVpnElans(vpnElansEx);
 144
 145             tx.merge(LogicalDatastoreType.OPERATIONAL, path, ipvcVpnBuilder.build(), true);
 146         }
 147     }
 148
 149     public static void addOperIpvcVpnElan(DataBroker dataBroker, InstanceIdentifier<Ipvc> identifier, String vpnId,
 150             Identifier45 uniId, Identifier45 ipUniId, String elanId, String elanPortId, List<String> newSubnets) {
 151         WriteTransaction tx = MdsalUtils.createTransaction(dataBroker);
 152         addOperIpvcVpnElan(identifier, vpnId, uniId, ipUniId, elanId, elanPortId, newSubnets, tx);
 153         MdsalUtils.commitTransaction(tx);
 154     }
 155
 156     public static void removeOperIpvcVpn(InstanceIdentifier<Ipvc> identifier, WriteTransaction tx) {
 157         final InstanceIdentifier<MefService> serviceId = identifier.firstIdentifierOf(MefService.class);
 158         tx.delete(LogicalDatastoreType.OPERATIONAL, serviceId);
 159     }
 160
 161     public static void removeOperIpvcSubnet(DataBroker dataBroker, InstanceIdentifier<Ipvc> identifier, String vpnId,
 162             Identifier45 uniId, Identifier45 ipUniId, String elanId, String elanPortId, String deleteSubnet) {
 163         InstanceIdentifier<IpvcVpn> path = identifier.augmentation(IpvcVpn.class);
 164         IpvcVpn ipvcVpn = getOperIpvcVpn(dataBroker, identifier);
 165         if (ipvcVpn == null || ipvcVpn.getVpnElans() == null) {
 166             return;
 167         }
 168         IpvcVpnBuilder ipvcVpnBuilder = new IpvcVpnBuilder(ipvcVpn);
 169         List<VpnElans> vpnElansEx = ipvcVpnBuilder.getVpnElans();
 170
 171         VpnElans vpnElans = findVpnElanForNetwork(uniId, ipUniId, ipvcVpn);
 172         vpnElans = findNetwork(deleteSubnet, vpnElans);
 173
 174         if (vpnElans != null) {
 175             vpnElansEx.remove(vpnElans);
 176             VpnElansBuilder vpnElansB = new VpnElansBuilder(vpnElans);
 177             List<Subnets> exSubnets = vpnElansB.getSubnets();
 178             List<Subnets> newSubnets = exSubnets.stream().filter(s -> !s.getSubnet().equals(deleteSubnet))
 179                     .collect(Collectors.toList());
 180             vpnElansB.setSubnets(newSubnets);
 181             vpnElansEx.add(vpnElansB.build());
 182         }
 183         MdsalUtils.syncWrite(dataBroker, LogicalDatastoreType.OPERATIONAL, path, ipvcVpnBuilder.build());
 184     }
 185
 186     public static void removeOperIpvcElan(DataBroker dataBroker, InstanceIdentifier<Ipvc> identifier, String vpnId,
 187             Identifier45 uniId, Identifier45 ipUniId, String elanId, String elanPortId) {
 188         InstanceIdentifier<IpvcVpn> path = identifier.augmentation(IpvcVpn.class);
 189         IpvcVpn ipvcVpn = getOperIpvcVpn(dataBroker, identifier);
 190         if (ipvcVpn == null || ipvcVpn.getVpnElans() == null) {
 191             return;
 192         }
 193         IpvcVpnBuilder ipvcVpnBuilder = new IpvcVpnBuilder(ipvcVpn);
 194         List<VpnElans> vpnElansEx = ipvcVpnBuilder.getVpnElans();
 195
 196         VpnElans vpnElans = findVpnElanForNetwork(uniId, ipUniId, ipvcVpn);
 197         if (vpnElans != null) {
 198             vpnElansEx.remove(vpnElans);
 199         }
 200         MdsalUtils.syncWrite(dataBroker, LogicalDatastoreType.OPERATIONAL, path, ipvcVpnBuilder.build());
 201     }
 202
 203 }