janani b | 35f6cbc | 2017-03-24 21:56:58 +0530 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2017-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.l3vpn.netl3vpn.impl; |
| 18 | |
| 19 | import org.onosproject.l3vpn.netl3vpn.NetL3VpnException; |
| 20 | import org.onosproject.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev20130715.ietfinettypes.Ipv4Address; |
| 21 | import org.onosproject.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev20130715.ietfinettypes.Ipv4AddressNoZone; |
| 22 | import org.onosproject.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev20130715.ietfinettypes.Ipv6Address; |
| 23 | import org.onosproject.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev20130715.ietfinettypes.Ipv6AddressNoZone; |
| 24 | import org.onosproject.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev20140508.ietfinterfaces.devices.device.DefaultInterfaces; |
| 25 | import org.onosproject.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev20140508.ietfinterfaces.devices.device.Interfaces; |
| 26 | import org.onosproject.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev20140508.ietfinterfaces.devices.device.interfaces.DefaultYangAutoPrefixInterface; |
| 27 | import org.onosproject.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev20140508.ietfinterfaces.devices.device.interfaces.YangAutoPrefixInterface; |
| 28 | import org.onosproject.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev20140616.ietfip.devices.device.interfaces.yangautoprefixinterface.AugmentedIfInterface; |
| 29 | import org.onosproject.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev20140616.ietfip.devices.device.interfaces.yangautoprefixinterface.DefaultAugmentedIfInterface; |
| 30 | import org.onosproject.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev20140616.ietfip.devices.device.interfaces.yangautoprefixinterface.augmentedifinterface.DefaultIpv4; |
| 31 | import org.onosproject.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev20140616.ietfip.devices.device.interfaces.yangautoprefixinterface.augmentedifinterface.DefaultIpv6; |
| 32 | import org.onosproject.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev20140616.ietfip.devices.device.interfaces.yangautoprefixinterface.augmentedifinterface.Ipv4; |
| 33 | import org.onosproject.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev20140616.ietfip.devices.device.interfaces.yangautoprefixinterface.augmentedifinterface.Ipv6; |
| 34 | import org.onosproject.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev20140616.ietfip.devices.device.interfaces.yangautoprefixinterface.augmentedifinterface.ipv4.Address; |
| 35 | import org.onosproject.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev20140616.ietfip.devices.device.interfaces.yangautoprefixinterface.augmentedifinterface.ipv4.DefaultAddress; |
| 36 | import org.onosproject.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev20140616.ietfip.devices.device.interfaces.yangautoprefixinterface.augmentedifinterface.ipv4.address.Subnet; |
| 37 | import org.onosproject.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev20140616.ietfip.devices.device.interfaces.yangautoprefixinterface.augmentedifinterface.ipv4.address.subnet.DefaultPrefixLength; |
| 38 | import org.onosproject.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.l3vpn.svc.rev20160730.ietfl3vpnsvc.siteattachmentipconnection.IpConnection; |
| 39 | import org.onosproject.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.instance.rev20160623.ietfnetworkinstance.devices.device.interfaces.yangautoprefixinterface.ipv4.AugmentedIpIpv4; |
| 40 | import org.onosproject.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.instance.rev20160623.ietfnetworkinstance.devices.device.interfaces.yangautoprefixinterface.ipv4.DefaultAugmentedIpIpv4; |
| 41 | import org.onosproject.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.instance.rev20160623.ietfnetworkinstance.devices.device.interfaces.yangautoprefixinterface.ipv6.AugmentedIpIpv6; |
| 42 | import org.onosproject.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.instance.rev20160623.ietfnetworkinstance.devices.device.interfaces.yangautoprefixinterface.ipv6.DefaultAugmentedIpIpv6; |
| 43 | import org.onosproject.yang.model.InnerModelObject; |
| 44 | |
| 45 | import java.util.LinkedList; |
| 46 | import java.util.List; |
| 47 | |
| 48 | /** |
| 49 | * Representation of utility for interface creation and deletion. |
| 50 | */ |
| 51 | public final class IntConstructionUtil { |
| 52 | |
| 53 | private static final String IP_ADD_NULL = "Vpn binding to an interface " + |
| 54 | "requires ip address."; |
| 55 | |
| 56 | // No instantiation. |
| 57 | private IntConstructionUtil() { |
| 58 | } |
| 59 | |
| 60 | /** |
| 61 | * Creates device model interface by building its parameters with port |
| 62 | * name, VPN name and ip connection. |
| 63 | * |
| 64 | * @param pName port name |
| 65 | * @param vpnName VPN name |
| 66 | * @param connect ip connection |
| 67 | * @return interface device model |
| 68 | */ |
| 69 | public static Interfaces createInterface(String pName, String vpnName, |
| 70 | IpConnection connect) { |
| 71 | Interfaces interfaces = new DefaultInterfaces(); |
| 72 | List<YangAutoPrefixInterface> intList = new LinkedList<>(); |
| 73 | YangAutoPrefixInterface inter = buildInterface(vpnName, pName, connect); |
| 74 | intList.add(inter); |
| 75 | interfaces.yangAutoPrefixInterface(intList); |
| 76 | return interfaces; |
| 77 | } |
| 78 | |
| 79 | /** |
| 80 | * Builds augmented info of ip address to the interface. |
| 81 | * |
| 82 | * @param vpnName VPN name |
| 83 | * @param pName port name |
| 84 | * @param connect ip connection |
| 85 | * @return interface |
| 86 | */ |
| 87 | private static YangAutoPrefixInterface buildInterface(String vpnName, |
| 88 | String pName, |
| 89 | IpConnection connect) { |
| 90 | // Bind vpn name in the augmented info of interface. |
| 91 | org.onosproject.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network |
| 92 | .instance.rev20160623.ietfnetworkinstance.devices.device |
| 93 | .interfaces.yangautoprefixinterface.AugmentedIfInterface augIf = |
| 94 | new org.onosproject.yang.gen.v1.urn.ietf.params.xml.ns.yang |
| 95 | .ietf.network.instance.rev20160623.ietfnetworkinstance |
| 96 | .devices.device.interfaces.yangautoprefixinterface |
| 97 | .DefaultAugmentedIfInterface(); |
| 98 | augIf.bindNetworkInstanceName(vpnName); |
| 99 | |
| 100 | // Bind ip address to the interface as augmented info. |
| 101 | AugmentedIfInterface intAug = buildIpAddress(connect, vpnName); |
| 102 | YangAutoPrefixInterface inter = new DefaultYangAutoPrefixInterface(); |
| 103 | inter.name(pName); |
| 104 | ((DefaultYangAutoPrefixInterface) inter).addAugmentation( |
| 105 | (InnerModelObject) augIf); |
| 106 | ((DefaultYangAutoPrefixInterface) inter).addAugmentation( |
| 107 | (InnerModelObject) intAug); |
| 108 | |
| 109 | return inter; |
| 110 | } |
| 111 | |
| 112 | /** |
| 113 | * Returns ipv6 address filled with attached VPN, ipv6 address and mask. |
| 114 | * |
| 115 | * @param vpnName VPN name |
| 116 | * @param mask mask |
| 117 | * @param ipv6Add ipv6 address |
| 118 | * @return device ipv6 address |
| 119 | */ |
| 120 | private static Ipv6 getIpv6Aug(String vpnName, short mask, String ipv6Add) { |
| 121 | AugmentedIpIpv6 augIpv6 = new DefaultAugmentedIpIpv6(); |
| 122 | org.onosproject.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip |
| 123 | .rev20140616.ietfip.devices.device.interfaces |
| 124 | .yangautoprefixinterface.augmentedifinterface.ipv6.Address add = |
| 125 | new org.onosproject.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf |
| 126 | .ip.rev20140616.ietfip.devices.device.interfaces |
| 127 | .yangautoprefixinterface.augmentedifinterface.ipv6 |
| 128 | .DefaultAddress(); |
| 129 | Ipv6 ipv6 = new DefaultIpv6(); |
| 130 | List<org.onosproject.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip |
| 131 | .rev20140616.ietfip.devices.device.interfaces |
| 132 | .yangautoprefixinterface.augmentedifinterface.ipv6 |
| 133 | .Address> addList = new LinkedList<>(); |
| 134 | add.ip(Ipv6AddressNoZone.of(Ipv6Address.of(ipv6Add))); |
| 135 | augIpv6.bindNetworkInstanceName(vpnName); |
| 136 | add.prefixLength(mask); |
| 137 | addList.add(add); |
| 138 | ipv6.address(addList); |
| 139 | ((DefaultIpv6) ipv6).addAugmentation((DefaultAugmentedIpIpv6) augIpv6); |
| 140 | return ipv6; |
| 141 | } |
| 142 | |
| 143 | /** |
| 144 | * Returns ipv4 address filled with attached VPN, ipv4 address and mask. |
| 145 | * |
| 146 | * @param vpnName VPN name |
| 147 | * @param mask mask |
| 148 | * @param ipv4Add ipv4 address |
| 149 | * @return device ipv4 address |
| 150 | */ |
| 151 | private static Ipv4 getIpv4Aug(String vpnName, short mask, String ipv4Add) { |
| 152 | AugmentedIpIpv4 augIpv4 = new DefaultAugmentedIpIpv4(); |
| 153 | Subnet net = new DefaultPrefixLength(); |
| 154 | Address add = new DefaultAddress(); |
| 155 | Ipv4 ipv4 = new DefaultIpv4(); |
| 156 | List<Address> addList = new LinkedList<>(); |
| 157 | |
| 158 | augIpv4.bindNetworkInstanceName(vpnName); |
| 159 | ((DefaultPrefixLength) net).prefixLength(mask); |
| 160 | add.ip(Ipv4AddressNoZone.of(Ipv4Address.of(ipv4Add))); |
| 161 | add.subnet(net); |
| 162 | addList.add(add); |
| 163 | ipv4.address(addList); |
| 164 | ((DefaultIpv4) ipv4).addAugmentation((DefaultAugmentedIpIpv4) augIpv4); |
| 165 | return ipv4; |
| 166 | } |
| 167 | |
| 168 | /** |
| 169 | * Builds ip address according to the existence of ip address in ip |
| 170 | * connection of device model. |
| 171 | * |
| 172 | * @param connect ip connection |
| 173 | * @param vpnName VPN name |
| 174 | * @return augmented interface |
| 175 | */ |
| 176 | public static AugmentedIfInterface buildIpAddress(IpConnection connect, |
| 177 | String vpnName) { |
| 178 | if (connect == null || (connect.ipv4() == null |
| 179 | && connect.ipv6() == null)) { |
| 180 | throw new NetL3VpnException(IP_ADD_NULL); |
| 181 | } |
| 182 | AugmentedIfInterface intAug = new DefaultAugmentedIfInterface(); |
| 183 | short mask; |
| 184 | if (connect.ipv4() != null) { |
| 185 | mask = connect.ipv4().addresses().mask(); |
| 186 | Ipv4Address peIpv4 = connect.ipv4().addresses().providerAddress(); |
| 187 | Ipv4 v4 = getIpv4Aug(vpnName, mask, peIpv4.string()); |
| 188 | intAug.ipv4(v4); |
| 189 | } |
| 190 | |
| 191 | if (connect.ipv6() != null) { |
| 192 | mask = connect.ipv6().addresses().mask(); |
| 193 | Ipv6Address peIpv6 = connect.ipv6().addresses().providerAddress(); |
| 194 | Ipv6 v6 = getIpv6Aug(vpnName, mask, peIpv6.string()); |
| 195 | intAug.ipv6(v6); |
| 196 | } |
| 197 | return intAug; |
| 198 | } |
| 199 | } |