2 * Copyright (c) 2016 Cisco and/or its affiliates.
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:
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 package io.fd.honeycomb.translate.v3po.interfacesstate;
19 import static com.google.common.base.Preconditions.checkState;
21 import io.fd.honeycomb.translate.read.ReadContext;
22 import io.fd.honeycomb.translate.read.ReadFailedException;
23 import io.fd.honeycomb.translate.spi.read.Initialized;
24 import io.fd.honeycomb.translate.spi.read.InitializingReaderCustomizer;
25 import io.fd.honeycomb.translate.util.RWUtils;
26 import io.fd.honeycomb.translate.vpp.util.FutureJVppCustomizer;
27 import io.fd.honeycomb.translate.vpp.util.JvppReplyConsumer;
28 import io.fd.honeycomb.translate.vpp.util.NamingContext;
29 import io.fd.vpp.jvpp.core.dto.VxlanTunnelDetails;
30 import io.fd.vpp.jvpp.core.dto.VxlanTunnelDetailsReplyDump;
31 import io.fd.vpp.jvpp.core.dto.VxlanTunnelDump;
32 import io.fd.vpp.jvpp.core.future.FutureJVppCore;
33 import java.net.InetAddress;
34 import java.net.UnknownHostException;
35 import java.util.Arrays;
36 import java.util.concurrent.CompletionStage;
37 import javax.annotation.Nonnull;
38 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress;
39 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Address;
40 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv6Address;
41 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
42 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.InterfaceKey;
43 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.VppInterfaceAugmentation;
44 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.VppInterfaceStateAugmentationBuilder;
45 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.VxlanTunnel;
46 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.VxlanVni;
47 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces.state._interface.Vxlan;
48 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces.state._interface.VxlanBuilder;
49 import org.opendaylight.yangtools.concepts.Builder;
50 import org.opendaylight.yangtools.yang.binding.DataObject;
51 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
52 import org.slf4j.Logger;
53 import org.slf4j.LoggerFactory;
55 public class VxlanCustomizer extends FutureJVppCustomizer
56 implements InitializingReaderCustomizer<Vxlan, VxlanBuilder>, InterfaceDataTranslator, JvppReplyConsumer {
58 private static final Logger LOG = LoggerFactory.getLogger(VxlanCustomizer.class);
59 private final NamingContext interfaceContext;
61 public VxlanCustomizer(@Nonnull final FutureJVppCore jvpp, @Nonnull final NamingContext interfaceContext) {
63 this.interfaceContext = interfaceContext;
67 public void merge(@Nonnull Builder<? extends DataObject> parentBuilder,
68 @Nonnull Vxlan readValue) {
69 ((VppInterfaceStateAugmentationBuilder) parentBuilder).setVxlan(readValue);
74 public VxlanBuilder getBuilder(@Nonnull InstanceIdentifier<Vxlan> id) {
75 return new VxlanBuilder();
79 public void readCurrentAttributes(@Nonnull final InstanceIdentifier<Vxlan> id,
80 @Nonnull final VxlanBuilder builder,
81 @Nonnull final ReadContext ctx) throws ReadFailedException {
83 final InterfaceKey key = id.firstKeyOf(Interface.class);
84 final int index = interfaceContext.getIndex(key.getName(), ctx.getMappingContext());
85 if (!isInterfaceOfType(getFutureJVpp(), ctx.getModificationCache(), id, index, VxlanTunnel.class, LOG)) {
89 LOG.debug("Reading attributes for vxlan tunnel: {}", key.getName());
91 final VxlanTunnelDump request = new VxlanTunnelDump();
92 request.swIfIndex = index;
94 final CompletionStage<VxlanTunnelDetailsReplyDump> swInterfaceVxlanDetailsReplyDumpCompletionStage =
95 getFutureJVpp().vxlanTunnelDump(request);
96 final VxlanTunnelDetailsReplyDump reply =
97 getReplyForRead(swInterfaceVxlanDetailsReplyDumpCompletionStage.toCompletableFuture(), id);
99 // VPP keeps vxlan tunnel interfaces even after they were deleted (optimization)
100 // However there ar no longer any vxlan tunnel specific fields assigned to it and this call
102 if (reply == null || reply.vxlanTunnelDetails == null || reply.vxlanTunnelDetails.isEmpty()) {
104 "Vxlan tunnel {}, id {} has no attributes assigned in VPP. Probably is a leftover interface placeholder" +
105 "after delete", key.getName(), index);
109 checkState(reply.vxlanTunnelDetails.size() == 1,
110 "Unexpected number of returned vxlan tunnels: {} for tunnel: {}", reply.vxlanTunnelDetails,
112 LOG.trace("Vxlan tunnel: {} attributes returned from VPP: {}", key.getName(), reply);
114 final VxlanTunnelDetails swInterfaceVxlanDetails = reply.vxlanTunnelDetails.get(0);
115 if (swInterfaceVxlanDetails.isIpv6 == 1) {
116 final Ipv6Address dstIpv6 =
117 new Ipv6Address(parseAddress(swInterfaceVxlanDetails.dstAddress).getHostAddress());
118 builder.setDst(new IpAddress(dstIpv6));
119 final Ipv6Address srcIpv6 =
120 new Ipv6Address(parseAddress(swInterfaceVxlanDetails.srcAddress).getHostAddress());
121 builder.setSrc(new IpAddress(srcIpv6));
123 final byte[] dstBytes = Arrays.copyOfRange(swInterfaceVxlanDetails.dstAddress, 0, 4);
124 final Ipv4Address dstIpv4 = new Ipv4Address(parseAddress(dstBytes).getHostAddress());
125 builder.setDst(new IpAddress(dstIpv4));
126 final byte[] srcBytes = Arrays.copyOfRange(swInterfaceVxlanDetails.srcAddress, 0, 4);
127 final Ipv4Address srcIpv4 = new Ipv4Address(parseAddress(srcBytes).getHostAddress());
128 builder.setSrc(new IpAddress(srcIpv4));
130 builder.setEncapVrfId((long) swInterfaceVxlanDetails.encapVrfId);
131 builder.setVni(new VxlanVni((long) swInterfaceVxlanDetails.vni));
132 LOG.debug("Vxlan tunnel: {}, id: {} attributes read as: {}", key.getName(), index, builder);
136 private static InetAddress parseAddress(@Nonnull final byte[] addr) {
138 return InetAddress.getByAddress(addr);
139 } catch (UnknownHostException e) {
140 throw new IllegalArgumentException("Cannot create InetAddress from " + Arrays.toString(addr), e);
145 public Initialized<org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces._interface.Vxlan> init(
146 @Nonnull final InstanceIdentifier<Vxlan> id, @Nonnull final Vxlan readValue, @Nonnull final ReadContext ctx) {
147 return Initialized.create(getCfgId(id),
148 new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces._interface.VxlanBuilder()
149 .setDst(readValue.getDst())
150 .setSrc(readValue.getSrc())
151 .setEncapVrfId(readValue.getEncapVrfId())
152 .setVni(new VxlanVni(readValue.getVni()))
156 private InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces._interface.Vxlan> getCfgId(
157 final InstanceIdentifier<Vxlan> id) {
158 return InterfaceCustomizer.getCfgId(RWUtils.cutId(id, Interface.class))
159 .augmentation(VppInterfaceAugmentation.class)
160 .child(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces._interface.Vxlan.class);