cb239dc9f3a7646c1c3452d34fd39918dec137b2
[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.hc2vpp.v3po.interfacesstate.ip;
18
19 import static com.google.common.base.Preconditions.checkNotNull;
20
21 import com.google.common.base.Optional;
22 import com.google.common.collect.ImmutableSet;
23 import io.fd.hc2vpp.common.translate.util.FutureJVppCustomizer;
24 import io.fd.hc2vpp.common.translate.util.NamingContext;
25 import io.fd.hc2vpp.v3po.interfacesstate.SubInterfaceCustomizer;
26 import io.fd.hc2vpp.v3po.interfacesstate.ip.dump.params.AddressDumpParams;
27 import io.fd.hc2vpp.v3po.util.SubInterfaceUtils;
28 import io.fd.honeycomb.translate.read.ReadContext;
29 import io.fd.honeycomb.translate.read.ReadFailedException;
30 import io.fd.honeycomb.translate.spi.read.Initialized;
31 import io.fd.honeycomb.translate.spi.read.InitializingListReaderCustomizer;
32 import io.fd.honeycomb.translate.util.RWUtils;
33 import io.fd.honeycomb.translate.util.read.cache.DumpCacheManager;
34 import io.fd.honeycomb.translate.util.read.cache.TypeAwareIdentifierCacheKeyFactory;
35 import io.fd.vpp.jvpp.core.dto.IpAddressDetails;
36 import io.fd.vpp.jvpp.core.dto.IpAddressDetailsReplyDump;
37 import io.fd.vpp.jvpp.core.future.FutureJVppCore;
38 import java.util.List;
39 import javax.annotation.Nonnull;
40 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
41 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.interfaces.state._interface.sub.interfaces.SubInterface;
42 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.sub._interface.ip4.attributes.Ipv4;
43 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.sub._interface.ip4.attributes.Ipv4Builder;
44 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.sub._interface.ip4.attributes.ipv4.Address;
45 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.sub._interface.ip4.attributes.ipv4.AddressBuilder;
46 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.sub._interface.ip4.attributes.ipv4.AddressKey;
47 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.sub._interface.ip4.attributes.ipv4.address.subnet.PrefixLengthBuilder;
48 import org.opendaylight.yangtools.concepts.Builder;
49 import org.opendaylight.yangtools.yang.binding.DataObject;
50 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
51 import org.slf4j.Logger;
52 import org.slf4j.LoggerFactory;
53
54 /**
55  * Read customizer for sub-interface Ipv4 addresses.
56  */
57 public class SubInterfaceIpv4AddressCustomizer extends FutureJVppCustomizer
58         implements InitializingListReaderCustomizer<Address, AddressKey, AddressBuilder>, Ipv4Reader {
59
60     private static final Logger LOG = LoggerFactory.getLogger(SubInterfaceIpv4AddressCustomizer.class);
61
62     private final NamingContext interfaceContext;
63     private final DumpCacheManager<IpAddressDetailsReplyDump, AddressDumpParams> dumpManager;
64
65     public SubInterfaceIpv4AddressCustomizer(@Nonnull final FutureJVppCore futureJVppCore,
66                                              @Nonnull final NamingContext interfaceContext) {
67         super(futureJVppCore);
68         this.interfaceContext = checkNotNull(interfaceContext, "interfaceContext should not be null");
69         this.dumpManager = new DumpCacheManager.DumpCacheManagerBuilder<IpAddressDetailsReplyDump, AddressDumpParams>()
70                 .withExecutor(createExecutor(futureJVppCore))
71                 //same as with ipv4 addresses for interfaces, these must have cache scope of their parent sub-interface
72                 .withCacheKeyFactory(new TypeAwareIdentifierCacheKeyFactory(IpAddressDetailsReplyDump.class,
73                         ImmutableSet.of(SubInterface.class)))
74                 .build();
75     }
76
77     private static String getSubInterfaceName(@Nonnull final InstanceIdentifier<Address> id) {
78         return SubInterfaceUtils.getSubInterfaceName(id.firstKeyOf(Interface.class).getName(),
79                 Math.toIntExact(id.firstKeyOf(SubInterface.class).getIdentifier()));
80     }
81
82     @Override
83     @Nonnull
84     public AddressBuilder getBuilder(@Nonnull InstanceIdentifier<Address> id) {
85         return new AddressBuilder();
86     }
87
88     @Override
89     public void readCurrentAttributes(@Nonnull InstanceIdentifier<Address> id, @Nonnull AddressBuilder builder,
90                                       @Nonnull ReadContext ctx)
91             throws ReadFailedException {
92         LOG.debug("Reading attributes for sub-interface address: {}", id);
93
94         final String subInterfaceName = getSubInterfaceName(id);
95         final int subInterfaceIndex = interfaceContext.getIndex(subInterfaceName, ctx.getMappingContext());
96         final Optional<IpAddressDetailsReplyDump> dumpOptional = dumpManager
97                 .getDump(id, ctx.getModificationCache(), new AddressDumpParams(subInterfaceIndex, false));
98
99         final Optional<IpAddressDetails> ipAddressDetails =
100                 findIpAddressDetailsByIp(dumpOptional, id.firstKeyOf(Address.class).getIp());
101
102         if (ipAddressDetails.isPresent()) {
103             final IpAddressDetails detail = ipAddressDetails.get();
104             builder.setIp(arrayToIpv4AddressNoZoneReversed(detail.ip));
105             builder.setSubnet(new PrefixLengthBuilder().setPrefixLength(Short.valueOf(detail.prefixLength)).build());
106
107             if (LOG.isDebugEnabled()) {
108                 LOG.debug("Attributes for {} sub-interface (id={}) address {} successfully read: {}",
109                         subInterfaceName, subInterfaceIndex, id, builder.build());
110             }
111         }
112     }
113
114     @Override
115     public List<AddressKey> getAllIds(@Nonnull InstanceIdentifier<Address> id, @Nonnull ReadContext ctx)
116             throws ReadFailedException {
117         LOG.debug("Reading list of keys for sub-interface addresses: {}", id);
118
119         final String subInterfaceName = getSubInterfaceName(id);
120         final int subInterfaceIndex = interfaceContext.getIndex(subInterfaceName, ctx.getMappingContext());
121         final Optional<IpAddressDetailsReplyDump> dumpOptional = dumpManager
122                 .getDump(id, ctx.getModificationCache(), new AddressDumpParams(subInterfaceIndex, false));
123
124         return getAllIpv4AddressIds(dumpOptional, AddressKey::new);
125     }
126
127     @Override
128     public void merge(@Nonnull Builder<? extends DataObject> builder, @Nonnull List<Address> readData) {
129         ((Ipv4Builder) builder).setAddress(readData);
130     }
131
132     @Override
133     public Initialized<Address> init(
134             @Nonnull final InstanceIdentifier<Address> id, @Nonnull final Address readValue,
135             @Nonnull final ReadContext ctx) {
136         return Initialized.create(getCfgId(id), readValue);
137     }
138
139     private InstanceIdentifier<Address> getCfgId(final InstanceIdentifier<Address> id) {
140         return SubInterfaceCustomizer.getCfgId(RWUtils.cutId(id, SubInterface.class))
141                 .child(Ipv4.class)
142                 .child(Address.class, new AddressKey(id.firstKeyOf(Address.class)));
143     }
144 }