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NatUtil.java
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NatUtil.java
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/*
* Copyright © 2016, 2018 Ericsson India Global Services Pvt Ltd. and others. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 which accompanies this distribution,
* and is available at http://www.eclipse.org/legal/epl-v10.html
*/
package org.opendaylight.netvirt.natservice.internal;
import com.google.common.base.Optional;
import com.google.common.base.Splitter;
import com.google.common.base.Strings;
import com.google.common.util.concurrent.CheckedFuture;
import com.google.common.util.concurrent.ListenableFuture;
import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
import java.math.BigInteger;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.Set;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.Future;
import java.util.stream.Collectors;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import org.opendaylight.controller.md.sal.binding.api.DataBroker;
import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
import org.opendaylight.controller.md.sal.binding.api.ReadTransaction;
import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
import org.opendaylight.genius.datastoreutils.SingleTransactionDataBroker;
import org.opendaylight.genius.infra.ManagedNewTransactionRunner;
import org.opendaylight.genius.interfacemanager.interfaces.IInterfaceManager;
import org.opendaylight.genius.mdsalutil.ActionInfo;
import org.opendaylight.genius.mdsalutil.FlowEntity;
import org.opendaylight.genius.mdsalutil.FlowEntityBuilder;
import org.opendaylight.genius.mdsalutil.InstructionInfo;
import org.opendaylight.genius.mdsalutil.MDSALUtil;
import org.opendaylight.genius.mdsalutil.MatchInfo;
import org.opendaylight.genius.mdsalutil.MetaDataUtil;
import org.opendaylight.genius.mdsalutil.NwConstants;
import org.opendaylight.genius.mdsalutil.actions.ActionGroup;
import org.opendaylight.genius.mdsalutil.actions.ActionNxResubmit;
import org.opendaylight.genius.mdsalutil.actions.ActionOutput;
import org.opendaylight.genius.mdsalutil.actions.ActionPushVlan;
import org.opendaylight.genius.mdsalutil.actions.ActionRegLoad;
import org.opendaylight.genius.mdsalutil.actions.ActionSetFieldVlanVid;
import org.opendaylight.genius.mdsalutil.instructions.InstructionApplyActions;
import org.opendaylight.genius.mdsalutil.instructions.InstructionGotoTable;
import org.opendaylight.genius.mdsalutil.interfaces.IMdsalApiManager;
import org.opendaylight.genius.mdsalutil.matches.MatchEthernetType;
import org.opendaylight.genius.mdsalutil.matches.MatchMetadata;
import org.opendaylight.infrautils.utils.concurrent.ListenableFutures;
import org.opendaylight.netvirt.bgpmanager.api.IBgpManager;
import org.opendaylight.netvirt.elanmanager.api.IElanService;
import org.opendaylight.netvirt.fibmanager.api.IFibManager;
import org.opendaylight.netvirt.fibmanager.api.RouteOrigin;
import org.opendaylight.netvirt.natservice.ha.NatDataUtil;
import org.opendaylight.netvirt.neutronvpn.api.utils.NeutronConstants;
import org.opendaylight.netvirt.vpnmanager.api.IVpnManager;
import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.VpnAfConfig;
import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.VpnInstances;
import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.VpnInterfaces;
import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.vpn.instances.VpnInstance;
import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.vpn.instances.VpnInstanceKey;
import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.vpn.interfaces.VpnInterface;
import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.vpn.interfaces.VpnInterfaceKey;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpPrefix;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.Uuid;
import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.OutputActionCase;
import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.PushVlanActionCase;
import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.SetFieldCase;
import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.list.Action;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNode;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.Flow;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.list.Instruction;
import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.idmanager.rev160406.AllocateIdInput;
import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.idmanager.rev160406.AllocateIdInputBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.idmanager.rev160406.AllocateIdOutput;
import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.idmanager.rev160406.CreateIdPoolInput;
import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.idmanager.rev160406.CreateIdPoolInputBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.idmanager.rev160406.IdManagerService;
import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.meta.rev160406.BridgeRefInfo;
import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.meta.rev160406.bridge.ref.info.BridgeRefEntry;
import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.meta.rev160406.bridge.ref.info.BridgeRefEntryKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rpcs.rev160406.GetDpidFromInterfaceInput;
import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rpcs.rev160406.GetDpidFromInterfaceInputBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rpcs.rev160406.GetDpidFromInterfaceOutput;
import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rpcs.rev160406.GetEgressActionsForInterfaceInputBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rpcs.rev160406.GetEgressActionsForInterfaceOutput;
import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rpcs.rev160406.OdlInterfaceRpcService;
import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.DpnEndpoints;
import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.dpn.endpoints.DPNTEPsInfo;
import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.dpn.endpoints.DPNTEPsInfoKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.dpn.endpoints.dpn.teps.info.TunnelEndPoints;
import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rpcs.rev160406.GetEgressActionsForTunnelInputBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rpcs.rev160406.GetEgressActionsForTunnelOutput;
import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rpcs.rev160406.ItmRpcService;
import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.GroupId;
import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.groups.Group;
import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.groups.GroupKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorId;
import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.ElanDpnInterfaces;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.ElanInstances;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.dpn.interfaces.ElanDpnInterfacesList;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.dpn.interfaces.ElanDpnInterfacesListKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.dpn.interfaces.elan.dpn.interfaces.list.DpnInterfaces;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.dpn.interfaces.elan.dpn.interfaces.list.DpnInterfacesBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.dpn.interfaces.elan.dpn.interfaces.list.DpnInterfacesKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.instances.ElanInstance;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.instances.ElanInstanceKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.vrfentries.VrfEntry;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.DpnRouters;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.LearntVpnVipToPortData;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.NeutronRouterDpns;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.PrefixToInterface;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.VpnIdToVpnInstance;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.VpnInstanceOpData;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.VpnInstanceToVpnId;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.VpnInterfaceOpData;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.dpn.routers.DpnRoutersList;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.dpn.routers.DpnRoutersListBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.dpn.routers.DpnRoutersListKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.dpn.routers.dpn.routers.list.RoutersList;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.dpn.routers.dpn.routers.list.RoutersListBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.dpn.routers.dpn.routers.list.RoutersListKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.learnt.vpn.vip.to.port.data.LearntVpnVipToPort;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.learnt.vpn.vip.to.port.data.LearntVpnVipToPortKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.neutron.router.dpns.RouterDpnList;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.neutron.router.dpns.RouterDpnListBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.neutron.router.dpns.RouterDpnListKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.neutron.router.dpns.router.dpn.list.DpnVpninterfacesList;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.neutron.router.dpns.router.dpn.list.DpnVpninterfacesListBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.neutron.router.dpns.router.dpn.list.DpnVpninterfacesListKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.neutron.router.dpns.router.dpn.list.dpn.vpninterfaces.list.RouterInterfacesBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.neutron.router.dpns.router.dpn.list.dpn.vpninterfaces.list.RouterInterfacesKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.prefix.to._interface.vpn.ids.Prefixes;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.prefix.to._interface.vpn.ids.PrefixesBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.prefix.to._interface.vpn.ids.PrefixesKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn._interface.op.data.VpnInterfaceOpDataEntry;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn._interface.op.data.VpnInterfaceOpDataEntryKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.id.to.vpn.instance.VpnIds;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.id.to.vpn.instance.VpnIdsKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.op.data.VpnInstanceOpDataEntry;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.op.data.VpnInstanceOpDataEntryKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.op.data.vpn.instance.op.data.entry.VpnToDpnList;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.op.data.vpn.instance.op.data.entry.VpnToDpnListKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.op.data.vpn.instance.op.data.entry.vpn.to.dpn.list.IpAddresses;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.ExtRouters;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.ExternalIpsCounter;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.ExternalNetworks;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.ExternalSubnets;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.FloatingIpInfo;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.FloatingIpPortInfo;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.IntextIpMap;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.IntextIpPortMap;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.NaptSwitches;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.ProtocolTypes;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.ProviderTypes;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.RouterIdName;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.RouterToVpnMapping;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.SnatintIpPortMap;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.ext.routers.Routers;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.ext.routers.RoutersKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.ext.routers.routers.ExternalIps;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.external.ips.counter.ExternalCounters;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.external.ips.counter.ExternalCountersKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.external.ips.counter.external.counters.ExternalIpCounter;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.external.networks.Networks;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.external.networks.NetworksKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.external.subnets.SubnetsKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.floating.ip.info.RouterPorts;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.floating.ip.info.RouterPortsKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.floating.ip.info.router.ports.Ports;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.floating.ip.info.router.ports.PortsKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.floating.ip.info.router.ports.ports.InternalToExternalPortMap;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.floating.ip.info.router.ports.ports.InternalToExternalPortMapKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.floating.ip.port.info.FloatingIpIdToPortMapping;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.floating.ip.port.info.FloatingIpIdToPortMappingKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.intext.ip.map.ip.mapping.IpMap;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.intext.ip.port.map.IpPortMapping;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.intext.ip.port.map.IpPortMappingKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.intext.ip.port.map.ip.port.mapping.IntextIpProtocolType;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.intext.ip.port.map.ip.port.mapping.IntextIpProtocolTypeKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.intext.ip.port.map.ip.port.mapping.intext.ip.protocol.type.IpPortMap;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.intext.ip.port.map.ip.port.mapping.intext.ip.protocol.type.IpPortMapKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.intext.ip.port.map.ip.port.mapping.intext.ip.protocol.type.ip.port.map.IpPortExternal;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.napt.switches.RouterToNaptSwitch;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.napt.switches.RouterToNaptSwitchKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.router.id.name.RouterIds;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.router.id.name.RouterIdsBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.router.id.name.RouterIdsKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.router.to.vpn.mapping.Routermapping;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.router.to.vpn.mapping.RoutermappingKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.snatint.ip.port.map.IntipPortMap;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.snatint.ip.port.map.IntipPortMapKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.snatint.ip.port.map.intip.port.map.IpPort;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.snatint.ip.port.map.intip.port.map.IpPortKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.snatint.ip.port.map.intip.port.map.ip.port.IntIpProtoType;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.snatint.ip.port.map.intip.port.map.ip.port.IntIpProtoTypeKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.rev150602.NetworkMaps;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.rev150602.NeutronVpnPortipPortData;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.rev150602.Subnetmaps;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.rev150602.VpnMaps;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.rev150602.networkmaps.NetworkMap;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.rev150602.networkmaps.NetworkMapKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.rev150602.neutron.vpn.portip.port.data.VpnPortipToPort;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.rev150602.neutron.vpn.portip.port.data.VpnPortipToPortKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.rev150602.subnetmaps.Subnetmap;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.rev150602.subnetmaps.SubnetmapKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.rev150602.vpnmaps.VpnMap;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.rev150602.vpnmaps.VpnMapKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.l3.rev150712.routers.attributes.routers.Router;
import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.l3.rev150712.routers.attributes.routers.RouterKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.ports.rev150712.port.attributes.FixedIps;
import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.ports.rev150712.ports.attributes.ports.Port;
import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.rev150712.Neutron;
import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.subnets.rev150712.subnets.attributes.Subnets;
import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.subnets.rev150712.subnets.attributes.subnets.Subnet;
import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.subnets.rev150712.subnets.attributes.subnets.SubnetKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.NxmNxReg6;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.add.group.input.buckets.bucket.action.action.NxActionResubmitRpcAddGroupCase;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.nodes.node.table.flow.instructions.instruction.instruction.apply.actions._case.apply.actions.action.action.NxActionRegLoadNodesNodeTableFlowApplyActionsCase;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.nx.action.reg.load.grouping.NxRegLoad;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeAugmentation;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbNodeAugmentation;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.node.attributes.OpenvswitchOtherConfigs;
import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
import org.opendaylight.yangtools.yang.binding.DataObject;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.opendaylight.yangtools.yang.common.RpcResult;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public final class NatUtil {
private static String OF_URI_SEPARATOR = ":";
private static final Logger LOG = LoggerFactory.getLogger(NatUtil.class);
private static final String OTHER_CONFIG_PARAMETERS_DELIMITER = ",";
private static final String OTHER_CONFIG_KEY_VALUE_DELIMITER = ":";
private static final String PROVIDER_MAPPINGS = "provider_mappings";
private NatUtil() { }
/*
getCookieSnatFlow() computes and returns a unique cookie value for the NAT flows using the router ID as the
reference value.
*/
public static BigInteger getCookieSnatFlow(long routerId) {
return NatConstants.COOKIE_NAPT_BASE.add(new BigInteger("0110000", 16)).add(
BigInteger.valueOf(routerId));
}
/*
getCookieNaptFlow() computes and returns a unique cookie value for the NAPT flows using the router ID as the
reference value.
*/
public static BigInteger getCookieNaptFlow(long routerId) {
return NatConstants.COOKIE_NAPT_BASE.add(new BigInteger("0111000", 16)).add(
BigInteger.valueOf(routerId));
}
/*
getVpnId() returns the VPN ID from the VPN name
*/
public static long getVpnId(DataBroker broker, String vpnName) {
if (vpnName == null) {
return NatConstants.INVALID_ID;
}
InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn
.instance.to.vpn.id.VpnInstance> id = getVpnInstanceToVpnIdIdentifier(vpnName);
Optional<org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn
.instance.to.vpn.id.VpnInstance> vpnInstance =
SingleTransactionDataBroker.syncReadOptionalAndTreatReadFailedExceptionAsAbsentOptional(broker,
LogicalDatastoreType.CONFIGURATION, id);
long vpnId = NatConstants.INVALID_ID;
if (vpnInstance.isPresent()) {
Long vpnIdAsLong = vpnInstance.get().getVpnId();
if (vpnIdAsLong != null) {
vpnId = vpnIdAsLong;
}
}
return vpnId;
}
public static Long getNetworkVpnIdFromRouterId(DataBroker broker, long routerId) {
//Get the external network ID from the ExternalRouter model
Uuid networkId = NatUtil.getNetworkIdFromRouterId(broker, routerId);
if (networkId == null) {
LOG.error("getNetworkVpnIdFromRouterId : networkId is null");
return NatConstants.INVALID_ID;
}
//Get the VPN ID from the ExternalNetworks model
Uuid vpnUuid = NatUtil.getVpnIdfromNetworkId(broker, networkId);
if (vpnUuid == null) {
LOG.error("getNetworkVpnIdFromRouterId : vpnUuid is null");
return NatConstants.INVALID_ID;
}
Long vpnId = NatUtil.getVpnId(broker, vpnUuid.getValue());
return vpnId;
}
static InstanceIdentifier<RouterPorts> getRouterPortsId(String routerId) {
return InstanceIdentifier.builder(FloatingIpInfo.class)
.child(RouterPorts.class, new RouterPortsKey(routerId)).build();
}
static InstanceIdentifier<Routermapping> getRouterVpnMappingId(String routerId) {
return InstanceIdentifier.builder(RouterToVpnMapping.class)
.child(Routermapping.class, new RoutermappingKey(routerId)).build();
}
static InstanceIdentifier<Ports> getPortsIdentifier(String routerId, String portName) {
return InstanceIdentifier.builder(FloatingIpInfo.class).child(RouterPorts.class, new RouterPortsKey(routerId))
.child(Ports.class, new PortsKey(portName)).build();
}
static InstanceIdentifier<InternalToExternalPortMap> getIntExtPortMapIdentifier(String routerId, String portName,
String internalIp) {
return InstanceIdentifier.builder(FloatingIpInfo.class).child(RouterPorts.class, new RouterPortsKey(routerId))
.child(Ports.class, new PortsKey(portName))
.child(InternalToExternalPortMap.class, new InternalToExternalPortMapKey(internalIp)).build();
}
public static InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn
.instance.to.vpn.id.VpnInstance> getVpnInstanceToVpnIdIdentifier(String vpnName) {
return InstanceIdentifier.builder(VpnInstanceToVpnId.class)
.child(org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn
.instance.to.vpn.id.VpnInstance.class,
new org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn
.instance.to.vpn.id.VpnInstanceKey(vpnName)).build();
}
static String getVpnInstanceFromVpnIdentifier(DataBroker broker, long vpnId) {
InstanceIdentifier<VpnIds> id = InstanceIdentifier.builder(VpnIdToVpnInstance.class)
.child(VpnIds.class, new VpnIdsKey(vpnId)).build();
return SingleTransactionDataBroker.syncReadOptionalAndTreatReadFailedExceptionAsAbsentOptional(broker,
LogicalDatastoreType.CONFIGURATION, id).toJavaUtil().map(VpnIds::getVpnInstanceName).orElse(null);
}
/*
getFlowRef() returns a string identfier for the SNAT flows using the router ID as the reference.
*/
public static String getFlowRef(BigInteger dpnId, short tableId, long routerID, String ip) {
return NatConstants.NAPT_FLOWID_PREFIX + dpnId + NatConstants.FLOWID_SEPARATOR + tableId + NatConstants
.FLOWID_SEPARATOR + routerID + NatConstants.FLOWID_SEPARATOR + ip;
}
public static String getFlowRef(BigInteger dpnId, short tableId, InetAddress destPrefix, long vpnId) {
return NatConstants.NAPT_FLOWID_PREFIX + dpnId + NatConstants.FLOWID_SEPARATOR + tableId + NatConstants
.FLOWID_SEPARATOR + destPrefix.getHostAddress() + NatConstants.FLOWID_SEPARATOR + vpnId;
}
public static String getNaptFlowRef(BigInteger dpnId, short tableId, String routerID, String ip, int port) {
return NatConstants.NAPT_FLOWID_PREFIX + dpnId + NatConstants.FLOWID_SEPARATOR + tableId + NatConstants
.FLOWID_SEPARATOR + routerID + NatConstants.FLOWID_SEPARATOR + ip + NatConstants.FLOWID_SEPARATOR
+ port;
}
static Uuid getNetworkIdFromRouterId(DataBroker broker, long routerId) {
String routerName = getRouterName(broker, routerId);
if (routerName == null) {
LOG.error("getNetworkIdFromRouterId - empty routerName received");
return null;
}
return getNetworkIdFromRouterName(broker, routerName);
}
static Uuid getNetworkIdFromRouterName(DataBroker broker, String routerName) {
if (routerName == null) {
LOG.error("getNetworkIdFromRouterName - empty routerName received");
return null;
}
InstanceIdentifier<Routers> id = buildRouterIdentifier(routerName);
return SingleTransactionDataBroker.syncReadOptionalAndTreatReadFailedExceptionAsAbsentOptional(broker,
LogicalDatastoreType.CONFIGURATION, id).toJavaUtil().map(Routers::getNetworkId).orElse(null);
}
static InstanceIdentifier<Routers> buildRouterIdentifier(String routerId) {
InstanceIdentifier<Routers> routerInstanceIndentifier = InstanceIdentifier.builder(ExtRouters.class)
.child(Routers.class, new RoutersKey(routerId)).build();
return routerInstanceIndentifier;
}
private static InstanceIdentifier<RouterIds> buildRouterIdentifier(Long routerId) {
InstanceIdentifier<RouterIds> routerIds = InstanceIdentifier.builder(RouterIdName.class)
.child(RouterIds.class, new RouterIdsKey(routerId)).build();
return routerIds;
}
/**
* Return if SNAT is enabled for the given router.
*
* @param broker The DataBroker
* @param routerId The router
* @return boolean true if enabled, otherwise false
*/
static boolean isSnatEnabledForRouterId(DataBroker broker, String routerId) {
InstanceIdentifier<Routers> id = buildRouterIdentifier(routerId);
return SingleTransactionDataBroker.syncReadOptionalAndTreatReadFailedExceptionAsAbsentOptional(broker,
LogicalDatastoreType.CONFIGURATION, id).toJavaUtil().map(Routers::isEnableSnat).orElse(false);
}
public static Uuid getVpnIdfromNetworkId(DataBroker broker, Uuid networkId) {
InstanceIdentifier<Networks> id = buildNetworkIdentifier(networkId);
return SingleTransactionDataBroker.syncReadOptionalAndTreatReadFailedExceptionAsAbsentOptional(broker,
LogicalDatastoreType.CONFIGURATION, id).toJavaUtil().map(Networks::getVpnid).orElse(null);
}
public static ProviderTypes getProviderTypefromNetworkId(DataBroker broker, Uuid networkId) {
InstanceIdentifier<Networks> id = buildNetworkIdentifier(networkId);
return SingleTransactionDataBroker.syncReadOptionalAndTreatReadFailedExceptionAsAbsentOptional(broker,
LogicalDatastoreType.CONFIGURATION, id).toJavaUtil().map(Networks::getProviderNetworkType).orElse(null);
}
@Nonnull
public static List<Uuid> getRouterIdsfromNetworkId(DataBroker broker, Uuid networkId) {
InstanceIdentifier<Networks> id = buildNetworkIdentifier(networkId);
return SingleTransactionDataBroker.syncReadOptionalAndTreatReadFailedExceptionAsAbsentOptional(broker,
LogicalDatastoreType.CONFIGURATION, id).toJavaUtil().map(Networks::getRouterIds).orElse(
Collections.emptyList());
}
static String getAssociatedExternalNetwork(DataBroker dataBroker, String routerId) {
InstanceIdentifier<Routers> id = NatUtil.buildRouterIdentifier(routerId);
Optional<Routers> routerData =
SingleTransactionDataBroker.syncReadOptionalAndTreatReadFailedExceptionAsAbsentOptional(dataBroker,
LogicalDatastoreType.CONFIGURATION, id);
if (routerData.isPresent()) {
Uuid networkId = routerData.get().getNetworkId();
if (networkId != null) {
return networkId.getValue();
}
}
LOG.info("getAssociatedExternalNetwork : External Network missing for routerid : {}", routerId);
return null;
}
private static InstanceIdentifier<Networks> buildNetworkIdentifier(Uuid networkId) {
return InstanceIdentifier.builder(ExternalNetworks.class)
.child(Networks.class, new NetworksKey(networkId)).build();
}
public static BigInteger getPrimaryNaptfromRouterId(DataBroker broker, Long routerId) {
// convert routerId to Name
String routerName = getRouterName(broker, routerId);
if (routerName == null) {
LOG.error("getPrimaryNaptfromRouterId - empty routerName received");
return null;
}
return getPrimaryNaptfromRouterName(broker, routerName);
}
public static BigInteger getPrimaryNaptfromRouterName(DataBroker broker, String routerName) {
if (routerName == null) {
LOG.error("getPrimaryNaptfromRouterName - empty routerName received");
return null;
}
InstanceIdentifier<RouterToNaptSwitch> id = buildNaptSwitchIdentifier(routerName);
return SingleTransactionDataBroker.syncReadOptionalAndTreatReadFailedExceptionAsAbsentOptional(broker,
LogicalDatastoreType.CONFIGURATION, id).toJavaUtil().map(RouterToNaptSwitch::getPrimarySwitchId).orElse(
null);
}
public static InstanceIdentifier<RouterToNaptSwitch> buildNaptSwitchIdentifier(String routerId) {
InstanceIdentifier<RouterToNaptSwitch> rtrNaptSw = InstanceIdentifier.builder(NaptSwitches.class)
.child(RouterToNaptSwitch.class, new RouterToNaptSwitchKey(routerId)).build();
return rtrNaptSw;
}
public static String getRouterName(DataBroker broker, Long routerId) {
InstanceIdentifier<RouterIds> id = buildRouterIdentifier(routerId);
return SingleTransactionDataBroker.syncReadOptionalAndTreatReadFailedExceptionAsAbsentOptional(broker,
LogicalDatastoreType.CONFIGURATION, id).toJavaUtil().map(RouterIds::getRouterName).orElse(null);
}
static InstanceIdentifier<VpnInstanceOpDataEntry> getVpnInstanceOpDataIdentifier(String vrfId) {
return InstanceIdentifier.builder(VpnInstanceOpData.class)
.child(VpnInstanceOpDataEntry.class, new VpnInstanceOpDataEntryKey(vrfId)).build();
}
public static FlowEntity buildFlowEntity(BigInteger dpnId, short tableId, BigInteger cookie, String flowId) {
return new FlowEntityBuilder()
.setDpnId(dpnId)
.setTableId(tableId)
.setCookie(cookie)
.setFlowId(flowId)
.build();
}
public static FlowEntity buildFlowEntity(BigInteger dpnId, short tableId, String flowId) {
return new FlowEntityBuilder()
.setDpnId(dpnId)
.setTableId(tableId)
.setFlowId(flowId)
.build();
}
public static long getIpAddress(byte[] rawIpAddress) {
return ((rawIpAddress[0] & 0xFF) << 3 * 8) + ((rawIpAddress[1] & 0xFF) << 2 * 8)
+ ((rawIpAddress[2] & 0xFF) << 1 * 8) + (rawIpAddress[3] & 0xFF) & 0xffffffffL;
}
public static String getEndpointIpAddressForDPN(DataBroker broker, BigInteger dpnId) {
String nextHopIp = null;
InstanceIdentifier<DPNTEPsInfo> tunnelInfoId =
InstanceIdentifier.builder(DpnEndpoints.class)
.child(DPNTEPsInfo.class, new DPNTEPsInfoKey(dpnId)).build();
Optional<DPNTEPsInfo> tunnelInfo =
SingleTransactionDataBroker.syncReadOptionalAndTreatReadFailedExceptionAsAbsentOptional(broker,
LogicalDatastoreType.CONFIGURATION, tunnelInfoId);
if (tunnelInfo.isPresent()) {
List<TunnelEndPoints> nexthopIpList = tunnelInfo.get().getTunnelEndPoints();
if (nexthopIpList != null && !nexthopIpList.isEmpty()) {
nextHopIp = String.valueOf(nexthopIpList.get(0).getIpAddress().getValue());
}
}
return nextHopIp;
}
public static String getVpnRd(DataBroker broker, String vpnName) {
InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn
.instance.to.vpn.id.VpnInstance> id = getVpnInstanceToVpnIdIdentifier(vpnName);
return SingleTransactionDataBroker.syncReadOptionalAndTreatReadFailedExceptionAsAbsentOptional(broker,
LogicalDatastoreType.CONFIGURATION, id).toJavaUtil().map(
org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.to.vpn.id
.VpnInstance::getVrfId).orElse(null);
}
public static IpPortExternal getExternalIpPortMap(DataBroker broker, Long routerId, String internalIpAddress,
String internalPort, NAPTEntryEvent.Protocol protocol) {
ProtocolTypes protocolType = NatUtil.getProtocolType(protocol);
InstanceIdentifier<IpPortMap> ipPortMapId =
buildIpToPortMapIdentifier(routerId, internalIpAddress, internalPort, protocolType);
return SingleTransactionDataBroker.syncReadOptionalAndTreatReadFailedExceptionAsAbsentOptional(broker,
LogicalDatastoreType.CONFIGURATION, ipPortMapId).toJavaUtil().map(IpPortMap::getIpPortExternal).orElse(
null);
}
private static InstanceIdentifier<IpPortMap> buildIpToPortMapIdentifier(Long routerId, String internalIpAddress,
String internalPort,
ProtocolTypes protocolType) {
return InstanceIdentifier.builder(IntextIpPortMap.class)
.child(IpPortMapping.class, new IpPortMappingKey(routerId))
.child(IntextIpProtocolType.class, new IntextIpProtocolTypeKey(protocolType))
.child(IpPortMap.class, new IpPortMapKey(internalIpAddress + ":" + internalPort)).build();
}
static InstanceIdentifier<VpnInterface> getVpnInterfaceIdentifier(String vpnInterfaceName) {
return InstanceIdentifier.builder(VpnInterfaces.class)
.child(VpnInterface.class, new VpnInterfaceKey(vpnInterfaceName)).build();
}
static VpnInterface getConfiguredVpnInterface(DataBroker broker, String interfaceName) {
InstanceIdentifier<VpnInterface> interfaceId = getVpnInterfaceIdentifier(interfaceName);
return SingleTransactionDataBroker.syncReadOptionalAndTreatReadFailedExceptionAsAbsentOptional(broker,
LogicalDatastoreType.CONFIGURATION, interfaceId).orNull();
}
public static String getDpnFromNodeConnectorId(NodeConnectorId portId) {
/*
* NodeConnectorId is of form 'openflow:dpnid:portnum'
*/
String[] split = portId.getValue().split(OF_URI_SEPARATOR);
if (split.length != 3) {
LOG.error("getDpnFromNodeConnectorId : invalid portid : {}", portId.getValue());
return null;
}
return split[1];
}
public static BigInteger getDpIdFromInterface(
org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces
.state.Interface ifState) {
String lowerLayerIf = ifState.getLowerLayerIf().get(0);
NodeConnectorId nodeConnectorId = new NodeConnectorId(lowerLayerIf);
return new BigInteger(getDpnFromNodeConnectorId(nodeConnectorId));
}
public static String getRouterIdfromVpnInstance(DataBroker broker, String vpnName) {
InstanceIdentifier<VpnMap> vpnMapIdentifier = InstanceIdentifier.builder(VpnMaps.class)
.child(VpnMap.class, new VpnMapKey(new Uuid(vpnName))).build();
Optional<VpnMap> optionalVpnMap =
SingleTransactionDataBroker.syncReadOptionalAndTreatReadFailedExceptionAsAbsentOptional(broker,
LogicalDatastoreType.CONFIGURATION, vpnMapIdentifier);
if (optionalVpnMap.isPresent()) {
Uuid routerId = optionalVpnMap.get().getRouterId();
if (routerId != null) {
return routerId.getValue();
}
}
LOG.info("getRouterIdfromVpnInstance : Router not found for vpn : {}", vpnName);
return null;
}
static Uuid getVpnForRouter(DataBroker broker, String routerId) {
InstanceIdentifier<VpnMaps> vpnMapsIdentifier = InstanceIdentifier.builder(VpnMaps.class).build();
Optional<VpnMaps> optionalVpnMaps =
SingleTransactionDataBroker.syncReadOptionalAndTreatReadFailedExceptionAsAbsentOptional(broker,
LogicalDatastoreType.CONFIGURATION, vpnMapsIdentifier);
if (optionalVpnMaps.isPresent() && optionalVpnMaps.get().getVpnMap() != null) {
List<VpnMap> allMaps = optionalVpnMaps.get().getVpnMap();
if (routerId != null) {
for (VpnMap vpnMap : allMaps) {
if (vpnMap.getRouterId() == null) {
continue;
}
if (vpnMap.getRouterId() != null
&& routerId.equals(vpnMap.getRouterId().getValue())
&& !routerId.equals(vpnMap.getVpnId().getValue())) {
return vpnMap.getVpnId();
}
}
}
}
LOG.debug("getVpnForRouter : VPN not found for routerID:{}", routerId);
return null;
}
static long getAssociatedVpn(DataBroker broker, String routerName) {
InstanceIdentifier<Routermapping> routerMappingId = NatUtil.getRouterVpnMappingId(routerName);
return SingleTransactionDataBroker.syncReadOptionalAndTreatReadFailedExceptionAsAbsentOptional(broker,
LogicalDatastoreType.OPERATIONAL, routerMappingId).toJavaUtil().map(Routermapping::getVpnId).orElse(
NatConstants.INVALID_ID);
}
public static String getAssociatedVPN(DataBroker dataBroker, Uuid networkId) {
Uuid vpnUuid = NatUtil.getVpnIdfromNetworkId(dataBroker, networkId);
if (vpnUuid == null) {
LOG.error("getAssociatedVPN : No VPN instance associated with ext network {}", networkId);
return null;
}
return vpnUuid.getValue();
}
// TODO Clean up the exception handling
@SuppressWarnings("checkstyle:IllegalCatch")
public static void addPrefixToBGP(DataBroker broker,
IBgpManager bgpManager,
IFibManager fibManager,
String vpnName,
String rd,
Uuid subnetId,
String prefix,
String nextHopIp,
String parentVpnRd,
String macAddress,
long label,
long l3vni,
RouteOrigin origin,
BigInteger dpId) {
try {
LOG.info("addPrefixToBGP : Adding Fib entry rd {} prefix {} nextHop {} label {}", rd,
prefix, nextHopIp, label);
if (nextHopIp == null) {
LOG.error("addPrefixToBGP : prefix {} rd {} failed since nextHopIp cannot be null.",
prefix, rd);
return;
}
addPrefixToInterface(broker, getVpnId(broker, vpnName), null /*interfaceName*/,prefix, parentVpnRd,
subnetId, dpId, Prefixes.PrefixCue.Nat);
fibManager.addOrUpdateFibEntry(rd, macAddress, prefix,
Collections.singletonList(nextHopIp), VrfEntry.EncapType.Mplsgre, (int)label, l3vni /*l3vni*/,
null /*gatewayMacAddress*/, parentVpnRd, origin, null /*writeTxn*/);
if (rd != null && !rd.equalsIgnoreCase(vpnName)) {
/* Publish to Bgp only if its an INTERNET VPN */
bgpManager.advertisePrefix(rd, null /*macAddress*/, prefix, Collections.singletonList(nextHopIp),
VrfEntry.EncapType.Mplsgre, (int) label, 0 /*l3vni*/, 0 /*l2vni*/,
null /*gatewayMac*/);
}
LOG.info("addPrefixToBGP : Added Fib entry rd {} prefix {} nextHop {} label {}", rd,
prefix, nextHopIp, label);
} catch (Exception e) {
LOG.error("addPrefixToBGP : Add prefix rd {} prefix {} nextHop {} label {} failed", rd,
prefix, nextHopIp, label, e);
}
}
static void addPrefixToInterface(DataBroker broker, long vpnId, String interfaceName, String ipPrefix,
String networkId, Uuid subnetId, BigInteger dpId, Prefixes.PrefixCue prefixCue) {
InstanceIdentifier<Prefixes> prefixId = InstanceIdentifier.builder(PrefixToInterface.class)
.child(org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.prefix.to._interface
.VpnIds.class, new org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.prefix
.to._interface.VpnIdsKey(vpnId))
.child(Prefixes.class, new PrefixesKey(ipPrefix)).build();
PrefixesBuilder prefixBuilder = new PrefixesBuilder().setDpnId(dpId).setIpAddress(ipPrefix);
prefixBuilder.setVpnInterfaceName(interfaceName).setPrefixCue(prefixCue);
prefixBuilder.setNetworkId(new Uuid(networkId));
try {
SingleTransactionDataBroker.syncWrite(broker, LogicalDatastoreType.OPERATIONAL, prefixId,
prefixBuilder.build());
} catch (TransactionCommitFailedException e) {
LOG.error("addPrefixToInterface : Failed to write prefxi-to-interface for {} vpn-id {} DPN {}",
ipPrefix, vpnId, dpId, e);
}
}
public static void deletePrefixToInterface(DataBroker broker, long vpnId, String ipPrefix) {
try {
SingleTransactionDataBroker.syncDelete(broker, LogicalDatastoreType.OPERATIONAL,
InstanceIdentifier.builder(PrefixToInterface.class)
.child(org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.prefix.to._interface
.VpnIds.class, new org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911
.prefix.to._interface.VpnIdsKey(vpnId)).child(Prefixes.class, new PrefixesKey(ipPrefix))
.build());
} catch (TransactionCommitFailedException e) {
LOG.error("addPrefixToInterface : Failed to write prefxi-to-interface for vpn-id {}",
vpnId, e);
}
}
static InstanceIdentifier<Ports> buildPortToIpMapIdentifier(String routerId, String portName) {
InstanceIdentifier<Ports> ipPortMapId = InstanceIdentifier.builder(FloatingIpInfo.class)
.child(RouterPorts.class, new RouterPortsKey(routerId)).child(Ports.class, new PortsKey(portName)).build();
return ipPortMapId;
}
static InstanceIdentifier<RouterPorts> buildRouterPortsIdentifier(String routerId) {
InstanceIdentifier<RouterPorts> routerInstanceIndentifier = InstanceIdentifier.builder(FloatingIpInfo.class)
.child(RouterPorts.class, new RouterPortsKey(routerId)).build();
return routerInstanceIndentifier;
}
@Nonnull
public static List<Integer> getInternalIpPortListInfo(DataBroker dataBroker, Long routerId,
String internalIpAddress, ProtocolTypes protocolType) {
return SingleTransactionDataBroker.syncReadOptionalAndTreatReadFailedExceptionAsAbsentOptional(dataBroker,
LogicalDatastoreType.CONFIGURATION,
buildSnatIntIpPortIdentifier(routerId, internalIpAddress, protocolType)).toJavaUtil().map(
IntIpProtoType::getPorts).orElse(Collections.emptyList());
}
public static InstanceIdentifier<IntIpProtoType> buildSnatIntIpPortIdentifier(Long routerId,
String internalIpAddress,
ProtocolTypes protocolType) {
InstanceIdentifier<IntIpProtoType> intIpProtocolTypeId =
InstanceIdentifier.builder(SnatintIpPortMap.class)
.child(IntipPortMap.class, new IntipPortMapKey(routerId))
.child(IpPort.class, new IpPortKey(internalIpAddress))
.child(IntIpProtoType.class, new IntIpProtoTypeKey(protocolType)).build();
return intIpProtocolTypeId;
}
public static InstanceIdentifier<IpPort> buildSnatIntIpPortIdentifier(Long routerId,
String internalIpAddress) {
InstanceIdentifier<IpPort> intIpProtocolTypeId =
InstanceIdentifier.builder(SnatintIpPortMap.class)
.child(IntipPortMap.class, new IntipPortMapKey(routerId))
.child(IpPort.class, new IpPortKey(internalIpAddress)).build();
return intIpProtocolTypeId;
}
@Nullable
public static IpPort getInternalIpPortInfo(DataBroker dataBroker, Long routerId,
String internalIpAddress) {
return SingleTransactionDataBroker.syncReadOptionalAndTreatReadFailedExceptionAsAbsentOptional(dataBroker,
LogicalDatastoreType.CONFIGURATION,
buildSnatIntIpPortIdentifier(routerId, internalIpAddress)).orNull();
}
public static ProtocolTypes getProtocolType(NAPTEntryEvent.Protocol protocol) {
ProtocolTypes protocolType = ProtocolTypes.TCP.toString().equals(protocol.toString())
? ProtocolTypes.TCP : ProtocolTypes.UDP;
return protocolType;
}
public static InstanceIdentifier<NaptSwitches> getNaptSwitchesIdentifier() {
return InstanceIdentifier.create(NaptSwitches.class);
}
public static InstanceIdentifier<RouterToNaptSwitch> buildNaptSwitchRouterIdentifier(String routerId) {
return InstanceIdentifier.create(NaptSwitches.class)
.child(RouterToNaptSwitch.class, new RouterToNaptSwitchKey(routerId));
}
public static String getGroupIdKey(String routerName) {
return "snatmiss." + routerName;
}
public static long createGroupId(String groupIdKey, IdManagerService idManager) {
AllocateIdInput getIdInput = new AllocateIdInputBuilder()
.setPoolName(NatConstants.SNAT_IDPOOL_NAME).setIdKey(groupIdKey)
.build();
try {
Future<RpcResult<AllocateIdOutput>> result = idManager.allocateId(getIdInput);
RpcResult<AllocateIdOutput> rpcResult = result.get();
return rpcResult.getResult().getIdValue();
} catch (NullPointerException | InterruptedException | ExecutionException e) {
LOG.error("createGroupId : Creating Group with Key: {} failed", groupIdKey, e);
}
return 0;
}
// TODO Clean up the exception handling
@SuppressWarnings("checkstyle:IllegalCatch")
public static void removePrefixFromBGP(IBgpManager bgpManager, IFibManager fibManager,
String rd, String prefix, String vpnName, Logger log) {
try {
LOG.debug("removePrefixFromBGP: Removing Fib entry rd {} prefix {}", rd, prefix);
fibManager.removeFibEntry(rd, prefix, null);
if (rd != null && !rd.equalsIgnoreCase(vpnName)) {
bgpManager.withdrawPrefix(rd, prefix);
}
LOG.info("removePrefixFromBGP: Removed Fib entry rd {} prefix {}", rd, prefix);
} catch (Exception e) {
log.error("removePrefixFromBGP : Delete prefix for rd {} prefix {} vpnName {} failed",
rd, prefix, vpnName, e);
}
}
public static IpPortMapping getIportMapping(DataBroker broker, long routerId) {
return SingleTransactionDataBroker.syncReadOptionalAndTreatReadFailedExceptionAsAbsentOptional(broker,
LogicalDatastoreType.CONFIGURATION, getIportMappingIdentifier(routerId)).orNull();
}
public static InstanceIdentifier<IpPortMapping> getIportMappingIdentifier(long routerId) {
return InstanceIdentifier.builder(IntextIpPortMap.class)
.child(IpPortMapping.class, new IpPortMappingKey(routerId)).build();
}
public static InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt
.natservice.rev160111.intext.ip.map.IpMapping> getIpMappingBuilder(Long routerId) {
InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111
.intext.ip.map.IpMapping> idBuilder = InstanceIdentifier.builder(IntextIpMap.class)
.child(org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.intext.ip.map
.IpMapping.class, new org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111
.intext.ip.map.IpMappingKey(routerId)).build();
return idBuilder;
}
@Nonnull
public static Collection<String> getExternalIpsForRouter(DataBroker dataBroker, Long routerId) {
Optional<org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.intext
.ip.map.IpMapping> ipMappingOptional =
SingleTransactionDataBroker.syncReadOptionalAndTreatReadFailedExceptionAsAbsentOptional(dataBroker,
LogicalDatastoreType.OPERATIONAL, getIpMappingBuilder(routerId));
// Ensure there are no duplicates
Collection<String> externalIps = new HashSet<>();
if (ipMappingOptional.isPresent()) {
List<IpMap> ipMaps = ipMappingOptional.get().getIpMap();
for (IpMap ipMap : ipMaps) {
externalIps.add(ipMap.getExternalIp());
}
}
return externalIps;
}
@Nonnull
public static List<String> getExternalIpsForRouter(DataBroker dataBroker, String routerName) {
Routers routerData = NatUtil.getRoutersFromConfigDS(dataBroker, routerName);
if (routerData != null) {
return NatUtil.getIpsListFromExternalIps(routerData.getExternalIps());
}
return Collections.emptyList();
}
@Nonnull
public static Map<String, Long> getExternalIpsLabelForRouter(DataBroker dataBroker, Long routerId) {
Optional<org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.intext
.ip.map.IpMapping> ipMappingOptional =
SingleTransactionDataBroker.syncReadOptionalAndTreatReadFailedExceptionAsAbsentOptional(dataBroker,
LogicalDatastoreType.OPERATIONAL, getIpMappingBuilder(routerId));
Map<String, Long> externalIpsLabel = new HashMap<>();
if (ipMappingOptional.isPresent()) {
List<IpMap> ipMaps = ipMappingOptional.get().getIpMap();
for (IpMap ipMap : ipMaps) {
externalIpsLabel.put(ipMap.getExternalIp(), ipMap.getLabel());
}
}
return externalIpsLabel;
}
public static String getLeastLoadedExternalIp(DataBroker dataBroker, long segmentId) {
String leastLoadedExternalIp = null;
InstanceIdentifier<ExternalCounters> id =
InstanceIdentifier.builder(ExternalIpsCounter.class)
.child(ExternalCounters.class, new ExternalCountersKey(segmentId)).build();
Optional<ExternalCounters> externalCountersData =
MDSALUtil.read(dataBroker, LogicalDatastoreType.OPERATIONAL, id);
if (externalCountersData.isPresent()) {
ExternalCounters externalCounter = externalCountersData.get();
List<ExternalIpCounter> externalIpCounterList = externalCounter.getExternalIpCounter();
short countOfLstLoadExtIp = 32767;
for (ExternalIpCounter externalIpCounter : externalIpCounterList) {
String curExternalIp = externalIpCounter.getExternalIp();
short countOfCurExtIp = externalIpCounter.getCounter();
if (countOfCurExtIp < countOfLstLoadExtIp) {
countOfLstLoadExtIp = countOfCurExtIp;
leastLoadedExternalIp = curExternalIp;
}
}
}
return leastLoadedExternalIp;
}
@SuppressFBWarnings("PZLA_PREFER_ZERO_LENGTH_ARRAYS")
public static String[] getSubnetIpAndPrefix(DataBroker dataBroker, Uuid subnetId) {
String subnetIP = getSubnetIp(dataBroker, subnetId);
if (subnetIP != null) {
return getSubnetIpAndPrefix(subnetIP);
}
LOG.error("getSubnetIpAndPrefix : SubnetIP and Prefix missing for subnet : {}", subnetId);
return null;
}
public static String[] getSubnetIpAndPrefix(String subnetString) {
String[] subnetSplit = subnetString.split("/");
String subnetIp = subnetSplit[0];
String subnetPrefix = "0";
if (subnetSplit.length == 2) {
subnetPrefix = subnetSplit[1];
}
return new String[] {subnetIp, subnetPrefix};
}
public static String getSubnetIp(DataBroker dataBroker, Uuid subnetId) {
InstanceIdentifier<Subnetmap> subnetmapId = InstanceIdentifier
.builder(Subnetmaps.class)
.child(Subnetmap.class, new SubnetmapKey(subnetId))
.build();
return SingleTransactionDataBroker.syncReadOptionalAndTreatReadFailedExceptionAsAbsentOptional(dataBroker,
LogicalDatastoreType.CONFIGURATION, subnetmapId).toJavaUtil().map(Subnetmap::getSubnetIp).orElse(null);
}
public static String[] getExternalIpAndPrefix(String leastLoadedExtIpAddr) {
String[] leastLoadedExtIpAddrSplit = leastLoadedExtIpAddr.split("/");
String leastLoadedExtIp = leastLoadedExtIpAddrSplit[0];
String leastLoadedExtIpPrefix = String.valueOf(NatConstants.DEFAULT_PREFIX);
if (leastLoadedExtIpAddrSplit.length == 2) {
leastLoadedExtIpPrefix = leastLoadedExtIpAddrSplit[1];
}
return new String[] {leastLoadedExtIp, leastLoadedExtIpPrefix};
}
@Nonnull
public static List<BigInteger> getDpnsForRouter(DataBroker dataBroker, String routerUuid) {
InstanceIdentifier id = InstanceIdentifier.builder(NeutronRouterDpns.class)
.child(RouterDpnList.class, new RouterDpnListKey(routerUuid)).build();
Optional<RouterDpnList> routerDpnListData =
SingleTransactionDataBroker.syncReadOptionalAndTreatReadFailedExceptionAsAbsentOptional(dataBroker,
LogicalDatastoreType.OPERATIONAL, id);
List<BigInteger> dpns = new ArrayList<>();
if (routerDpnListData.isPresent()) {
List<DpnVpninterfacesList> dpnVpninterfacesList = routerDpnListData.get().getDpnVpninterfacesList();
for (DpnVpninterfacesList dpnVpnInterface : dpnVpninterfacesList) {
dpns.add(dpnVpnInterface.getDpnId());
}
}
return dpns;
}
public static long getBgpVpnId(DataBroker dataBroker, String routerName) {
long bgpVpnId = NatConstants.INVALID_ID;
Uuid bgpVpnUuid = NatUtil.getVpnForRouter(dataBroker, routerName);
if (bgpVpnUuid != null) {
bgpVpnId = NatUtil.getVpnId(dataBroker, bgpVpnUuid.getValue());
}
return bgpVpnId;
}
static org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.router.interfaces
.RouterInterface getConfiguredRouterInterface(DataBroker broker, String interfaceName) {
return SingleTransactionDataBroker.syncReadOptionalAndTreatReadFailedExceptionAsAbsentOptional(broker,
LogicalDatastoreType.CONFIGURATION, NatUtil.getRouterInterfaceId(interfaceName)).orNull();
}
static InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911
.router.interfaces.RouterInterface> getRouterInterfaceId(String interfaceName) {
return InstanceIdentifier.builder(org.opendaylight.yang.gen.v1.urn.opendaylight
.netvirt.l3vpn.rev130911.RouterInterfaces.class)
.child(org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.router.interfaces
.RouterInterface.class,
new org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.router.interfaces
.RouterInterfaceKey(interfaceName)).build();
}
public static void addToNeutronRouterDpnsMap(DataBroker broker, String routerName, String interfaceName,
BigInteger dpId , WriteTransaction writeOperTxn) {