ca191d46c52a9975225a10963756b1c488ab911e
[hc2vpp.git] /
1 /*
2  * Copyright (c) 2016 Cisco and/or its affiliates.
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 io.fd.honeycomb.translate.v3po.interfacesstate.ip;
18
19 import static com.google.common.base.Preconditions.checkNotNull;
20
21 import com.google.common.base.Optional;
22 import io.fd.honeycomb.translate.read.ReadContext;
23 import io.fd.honeycomb.translate.read.ReadFailedException;
24 import io.fd.honeycomb.translate.spi.read.ListReaderCustomizer;
25 import io.fd.honeycomb.translate.util.read.cache.DumpCacheManager;
26 import io.fd.honeycomb.translate.util.read.cache.exceptions.execution.DumpExecutionFailedException;
27 import io.fd.honeycomb.translate.v3po.interfacesstate.ip.dump.AddressDumpExecutor;
28 import io.fd.honeycomb.translate.v3po.interfacesstate.ip.dump.params.AddressDumpParams;
29 import io.fd.honeycomb.translate.vpp.util.FutureJVppCustomizer;
30 import io.fd.honeycomb.translate.vpp.util.NamingContext;
31 import java.util.List;
32 import javax.annotation.Nonnull;
33 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
34 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces.state._interface.Ipv4Builder;
35 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces.state._interface.ipv4.Address;
36 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces.state._interface.ipv4.AddressBuilder;
37 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces.state._interface.ipv4.AddressKey;
38 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces.state._interface.ipv4.address.subnet.PrefixLengthBuilder;
39 import org.opendaylight.yangtools.concepts.Builder;
40 import org.opendaylight.yangtools.yang.binding.DataObject;
41 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
42 import org.openvpp.jvpp.core.dto.IpAddressDetails;
43 import org.openvpp.jvpp.core.dto.IpAddressDetailsReplyDump;
44 import org.openvpp.jvpp.core.future.FutureJVppCore;
45 import org.slf4j.Logger;
46 import org.slf4j.LoggerFactory;
47
48 /**
49  * Read customizer for interface Ipv4 addresses.
50  */
51 public class Ipv4AddressCustomizer extends FutureJVppCustomizer
52         implements ListReaderCustomizer<Address, AddressKey, AddressBuilder>, Ipv4Reader {
53
54     private static final Logger LOG = LoggerFactory.getLogger(Ipv4AddressCustomizer.class);
55     private static final String CACHE_KEY = Ipv4AddressCustomizer.class.getName();
56
57     private final NamingContext interfaceContext;
58     private final DumpCacheManager<IpAddressDetailsReplyDump, AddressDumpParams> dumpManager;
59
60     public Ipv4AddressCustomizer(@Nonnull final FutureJVppCore futureJVppCore,
61                                  @Nonnull final NamingContext interfaceContext) {
62         super(futureJVppCore);
63         this.interfaceContext = checkNotNull(interfaceContext, "interfaceContext should not be null");
64         this.dumpManager = new DumpCacheManager.DumpCacheManagerBuilder<IpAddressDetailsReplyDump, AddressDumpParams>()
65                 .withExecutor(new AddressDumpExecutor(futureJVppCore))
66                 .build();
67     }
68
69     @Override
70     @Nonnull
71     public AddressBuilder getBuilder(@Nonnull InstanceIdentifier<Address> id) {
72         return new AddressBuilder();
73     }
74
75     @Override
76     public void readCurrentAttributes(@Nonnull InstanceIdentifier<Address> id, @Nonnull AddressBuilder builder,
77                                       @Nonnull ReadContext ctx)
78             throws ReadFailedException {
79         LOG.debug("Reading attributes for interface address: {}", id);
80
81         final String interfaceName = id.firstKeyOf(Interface.class).getName();
82         final int interfaceIndex = interfaceContext.getIndex(interfaceName, ctx.getMappingContext());
83         final Optional<IpAddressDetailsReplyDump> dumpOptional;
84         try {
85             dumpOptional =
86                     dumpManager.getDump(CACHE_KEY, ctx.getModificationCache(),
87                             new AddressDumpParams(interfaceIndex, false));
88         } catch (DumpExecutionFailedException e) {
89             throw new ReadFailedException(id, e);
90         }
91
92         if (!dumpOptional.isPresent() || dumpOptional.get().ipAddressDetails.isEmpty()) {
93             return;
94         }
95         final Optional<IpAddressDetails> ipAddressDetails =
96                 findIpAddressDetailsByIp(dumpOptional, id.firstKeyOf(Address.class).getIp());
97
98         if (ipAddressDetails.isPresent()) {
99             final IpAddressDetails detail = ipAddressDetails.get();
100             builder.setIp(arrayToIpv4AddressNoZone(detail.ip))
101                     .setSubnet(
102                             new PrefixLengthBuilder().setPrefixLength(Short.valueOf(detail.prefixLength)).build());
103
104             if (LOG.isDebugEnabled()) {
105                 LOG.debug("Attributes for {} interface (id={}) address {} successfully read: {}",
106                         interfaceName, interfaceIndex, id, builder.build());
107             }
108         }
109     }
110
111     @Override
112     public List<AddressKey> getAllIds(@Nonnull InstanceIdentifier<Address> id, @Nonnull ReadContext ctx)
113             throws ReadFailedException {
114         LOG.debug("Reading list of keys for interface addresses: {}", id);
115
116         final String interfaceName = id.firstKeyOf(Interface.class).getName();
117         final int interfaceIndex = interfaceContext.getIndex(interfaceName, ctx.getMappingContext());
118         final Optional<IpAddressDetailsReplyDump> dumpOptional;
119         try {
120             dumpOptional =
121                     dumpManager.getDump(CACHE_KEY, ctx.getModificationCache(),
122                             new AddressDumpParams(interfaceIndex, false));
123         } catch (DumpExecutionFailedException e) {
124             throw new ReadFailedException(id, e);
125         }
126
127         return getAllIpv4AddressIds(dumpOptional, AddressKey::new);
128     }
129
130     @Override
131     public void merge(@Nonnull Builder<? extends DataObject> builder, @Nonnull List<Address> readData) {
132         ((Ipv4Builder) builder).setAddress(readData);
133     }
134
135 }