| /* |
| * Copyright 2017-present Open Networking Foundation |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.onosproject.l3vpn.netl3vpn.impl; |
| |
| import org.onosproject.l3vpn.netl3vpn.NetL3VpnException; |
| import org.onosproject.yang.gen.v1.ietfinettypes.rev20130715.ietfinettypes.Ipv4Address; |
| import org.onosproject.yang.gen.v1.ietfinettypes.rev20130715.ietfinettypes.Ipv4AddressNoZone; |
| import org.onosproject.yang.gen.v1.ietfinettypes.rev20130715.ietfinettypes.Ipv6Address; |
| import org.onosproject.yang.gen.v1.ietfinettypes.rev20130715.ietfinettypes.Ipv6AddressNoZone; |
| import org.onosproject.yang.gen.v1.ietfinterfaces.rev20140508.ietfinterfaces.devices.device.DefaultInterfaces; |
| import org.onosproject.yang.gen.v1.ietfinterfaces.rev20140508.ietfinterfaces.devices.device.Interfaces; |
| import org.onosproject.yang.gen.v1.ietfinterfaces.rev20140508.ietfinterfaces.devices.device.interfaces.DefaultYangAutoPrefixInterface; |
| import org.onosproject.yang.gen.v1.ietfinterfaces.rev20140508.ietfinterfaces.devices.device.interfaces.YangAutoPrefixInterface; |
| import org.onosproject.yang.gen.v1.ietfip.rev20140616.ietfip.devices.device.interfaces.yangautoprefixinterface.AugmentedIfInterface; |
| import org.onosproject.yang.gen.v1.ietfip.rev20140616.ietfip.devices.device.interfaces.yangautoprefixinterface.DefaultAugmentedIfInterface; |
| import org.onosproject.yang.gen.v1.ietfip.rev20140616.ietfip.devices.device.interfaces.yangautoprefixinterface.augmentedifinterface.DefaultIpv4; |
| import org.onosproject.yang.gen.v1.ietfip.rev20140616.ietfip.devices.device.interfaces.yangautoprefixinterface.augmentedifinterface.DefaultIpv6; |
| import org.onosproject.yang.gen.v1.ietfip.rev20140616.ietfip.devices.device.interfaces.yangautoprefixinterface.augmentedifinterface.Ipv4; |
| import org.onosproject.yang.gen.v1.ietfip.rev20140616.ietfip.devices.device.interfaces.yangautoprefixinterface.augmentedifinterface.Ipv6; |
| import org.onosproject.yang.gen.v1.ietfip.rev20140616.ietfip.devices.device.interfaces.yangautoprefixinterface.augmentedifinterface.ipv4.Address; |
| import org.onosproject.yang.gen.v1.ietfip.rev20140616.ietfip.devices.device.interfaces.yangautoprefixinterface.augmentedifinterface.ipv4.DefaultAddress; |
| import org.onosproject.yang.gen.v1.ietfip.rev20140616.ietfip.devices.device.interfaces.yangautoprefixinterface.augmentedifinterface.ipv4.address.Subnet; |
| import org.onosproject.yang.gen.v1.ietfip.rev20140616.ietfip.devices.device.interfaces.yangautoprefixinterface.augmentedifinterface.ipv4.address.subnet.DefaultPrefixLength; |
| import org.onosproject.yang.gen.v1.ietfl3vpnsvc.rev20160730.ietfl3vpnsvc.siteattachmentipconnection.IpConnection; |
| import org.onosproject.yang.gen.v1.ietfnetworkinstance.rev20160623.ietfnetworkinstance.devices.device.interfaces.yangautoprefixinterface.ipv4.AugmentedIpIpv4; |
| import org.onosproject.yang.gen.v1.ietfnetworkinstance.rev20160623.ietfnetworkinstance.devices.device.interfaces.yangautoprefixinterface.ipv4.DefaultAugmentedIpIpv4; |
| import org.onosproject.yang.gen.v1.ietfnetworkinstance.rev20160623.ietfnetworkinstance.devices.device.interfaces.yangautoprefixinterface.ipv6.AugmentedIpIpv6; |
| import org.onosproject.yang.gen.v1.ietfnetworkinstance.rev20160623.ietfnetworkinstance.devices.device.interfaces.yangautoprefixinterface.ipv6.DefaultAugmentedIpIpv6; |
| import org.onosproject.yang.model.InnerModelObject; |
| |
| import java.util.LinkedList; |
| import java.util.List; |
| |
| /** |
| * Representation of utility for interface creation and deletion. |
| */ |
| public final class IntConstructionUtil { |
| |
| private static final String IP_ADD_NULL = "Vpn binding to an interface " + |
| "requires ip address."; |
| |
| // No instantiation. |
| private IntConstructionUtil() { |
| } |
| |
| /** |
| * Creates device model interface by building its parameters with port |
| * name, VPN name and ip connection. |
| * |
| * @param pName port name |
| * @param vpnName VPN name |
| * @param connect ip connection |
| * @return interface device model |
| */ |
| public static Interfaces createInterface(String pName, String vpnName, |
| IpConnection connect) { |
| Interfaces interfaces = new DefaultInterfaces(); |
| List<YangAutoPrefixInterface> intList = new LinkedList<>(); |
| YangAutoPrefixInterface inter = buildInterface(vpnName, pName, connect); |
| intList.add(inter); |
| interfaces.yangAutoPrefixInterface(intList); |
| return interfaces; |
| } |
| |
| /** |
| * Builds augmented info of ip address to the interface. |
| * |
| * @param vpnName VPN name |
| * @param pName port name |
| * @param connect ip connection |
| * @return interface |
| */ |
| private static YangAutoPrefixInterface buildInterface(String vpnName, |
| String pName, |
| IpConnection connect) { |
| // Bind vpn name in the augmented info of interface. |
| org.onosproject.yang.gen.v1.ietfnetworkinstance.rev20160623 |
| .ietfnetworkinstance.devices.device.interfaces |
| .yangautoprefixinterface.AugmentedIfInterface augIf = new org |
| .onosproject.yang.gen.v1.ietfnetworkinstance.rev20160623 |
| .ietfnetworkinstance.devices.device.interfaces |
| .yangautoprefixinterface.DefaultAugmentedIfInterface(); |
| augIf.bindNetworkInstanceName(vpnName); |
| |
| // Bind ip address to the interface as augmented info. |
| AugmentedIfInterface intAug = buildIpAddress(connect, vpnName); |
| YangAutoPrefixInterface inter = new DefaultYangAutoPrefixInterface(); |
| inter.name(pName); |
| ((DefaultYangAutoPrefixInterface) inter).addAugmentation( |
| (InnerModelObject) augIf); |
| ((DefaultYangAutoPrefixInterface) inter).addAugmentation( |
| (InnerModelObject) intAug); |
| |
| return inter; |
| } |
| |
| /** |
| * Returns ipv6 address filled with attached VPN, ipv6 address and mask. |
| * |
| * @param vpnName VPN name |
| * @param mask mask |
| * @param ipv6Add ipv6 address |
| * @return device ipv6 address |
| */ |
| private static Ipv6 getIpv6Aug(String vpnName, short mask, String ipv6Add) { |
| AugmentedIpIpv6 augIpv6 = new DefaultAugmentedIpIpv6(); |
| org.onosproject.yang.gen.v1.ietfip.rev20140616.ietfip.devices.device |
| .interfaces.yangautoprefixinterface.augmentedifinterface.ipv6 |
| .Address add = new org.onosproject.yang.gen.v1.ietfip |
| .rev20140616.ietfip.devices.device.interfaces |
| .yangautoprefixinterface.augmentedifinterface.ipv6 |
| .DefaultAddress(); |
| Ipv6 ipv6 = new DefaultIpv6(); |
| List<org.onosproject.yang.gen.v1.ietfip |
| .rev20140616.ietfip.devices.device.interfaces |
| .yangautoprefixinterface.augmentedifinterface.ipv6 |
| .Address> addList = new LinkedList<>(); |
| add.ip(Ipv6AddressNoZone.of(Ipv6Address.of(ipv6Add))); |
| augIpv6.bindNetworkInstanceName(vpnName); |
| add.prefixLength(mask); |
| addList.add(add); |
| ipv6.address(addList); |
| ((DefaultIpv6) ipv6).addAugmentation((DefaultAugmentedIpIpv6) augIpv6); |
| return ipv6; |
| } |
| |
| /** |
| * Returns ipv4 address filled with attached VPN, ipv4 address and mask. |
| * |
| * @param vpnName VPN name |
| * @param mask mask |
| * @param ipv4Add ipv4 address |
| * @return device ipv4 address |
| */ |
| private static Ipv4 getIpv4Aug(String vpnName, short mask, String ipv4Add) { |
| AugmentedIpIpv4 augIpv4 = new DefaultAugmentedIpIpv4(); |
| Subnet net = new DefaultPrefixLength(); |
| Address add = new DefaultAddress(); |
| Ipv4 ipv4 = new DefaultIpv4(); |
| List<Address> addList = new LinkedList<>(); |
| |
| augIpv4.bindNetworkInstanceName(vpnName); |
| ((DefaultPrefixLength) net).prefixLength(mask); |
| add.ip(Ipv4AddressNoZone.of(Ipv4Address.of(ipv4Add))); |
| add.subnet(net); |
| addList.add(add); |
| ipv4.address(addList); |
| ((DefaultIpv4) ipv4).addAugmentation((DefaultAugmentedIpIpv4) augIpv4); |
| return ipv4; |
| } |
| |
| /** |
| * Builds ip address according to the existence of ip address in ip |
| * connection of device model. |
| * |
| * @param connect ip connection |
| * @param vpnName VPN name |
| * @return augmented interface |
| */ |
| public static AugmentedIfInterface buildIpAddress(IpConnection connect, |
| String vpnName) { |
| if (connect == null || (connect.ipv4() == null |
| && connect.ipv6() == null)) { |
| throw new NetL3VpnException(IP_ADD_NULL); |
| } |
| AugmentedIfInterface intAug = new DefaultAugmentedIfInterface(); |
| short mask; |
| if (connect.ipv4() != null) { |
| mask = connect.ipv4().addresses().mask(); |
| Ipv4Address peIpv4 = connect.ipv4().addresses().providerAddress(); |
| Ipv4 v4 = getIpv4Aug(vpnName, mask, peIpv4.string()); |
| intAug.ipv4(v4); |
| } |
| |
| if (connect.ipv6() != null) { |
| mask = connect.ipv6().addresses().mask(); |
| Ipv6Address peIpv6 = connect.ipv6().addresses().providerAddress(); |
| Ipv6 v6 = getIpv6Aug(vpnName, mask, peIpv6.string()); |
| intAug.ipv6(v6); |
| } |
| return intAug; |
| } |
| } |