1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
|
/*
* Copyright (c) 2017 Cisco and/or its affiliates.
*
* 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 io.fd.hc2vpp.lisp.gpe.translate.write;
import static com.google.common.base.Preconditions.checkArgument;
import static java.util.Objects.nonNull;
import io.fd.hc2vpp.common.translate.util.FutureJVppCustomizer;
import io.fd.hc2vpp.common.translate.util.JvppReplyConsumer;
import io.fd.hc2vpp.common.translate.util.NamingContext;
import io.fd.hc2vpp.lisp.gpe.translate.service.GpeStateCheckService;
import io.fd.hc2vpp.lisp.translate.read.dump.executor.params.MappingsDumpParams.EidType;
import io.fd.hc2vpp.lisp.translate.util.EidTranslator;
import io.fd.honeycomb.translate.MappingContext;
import io.fd.honeycomb.translate.spi.write.ListWriterCustomizer;
import io.fd.honeycomb.translate.write.WriteContext;
import io.fd.honeycomb.translate.write.WriteFailedException;
import io.fd.vpp.jvpp.core.dto.GpeAddDelFwdEntry;
import io.fd.vpp.jvpp.core.dto.GpeAddDelFwdEntryReply;
import io.fd.vpp.jvpp.core.future.FutureJVppCore;
import io.fd.vpp.jvpp.core.types.GpeLocator;
import java.util.Collection;
import java.util.List;
import java.util.Optional;
import java.util.concurrent.CompletableFuture;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import javax.annotation.Nonnull;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.gpe.rev170801.gpe.entry.table.grouping.gpe.entry.table.GpeEntry;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.gpe.rev170801.gpe.entry.table.grouping.gpe.entry.table.GpeEntryKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.gpe.rev170801.gpe.entry.table.grouping.gpe.entry.table.gpe.entry.LocalEid;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.gpe.rev170801.gpe.entry.table.grouping.gpe.entry.table.gpe.entry.RemoteEid;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.gpe.rev170801.locator.pairs.grouping.LocatorPair;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
public class GpeForwardEntryCustomizer extends FutureJVppCustomizer
implements ListWriterCustomizer<GpeEntry, GpeEntryKey>, EidTranslator, JvppReplyConsumer {
private final GpeStateCheckService gpeStateCheckService;
private final NamingContext entryMappingCtx;
public GpeForwardEntryCustomizer(@Nonnull final FutureJVppCore futureJVppCore,
@Nonnull final GpeStateCheckService gpeStateCheckService,
@Nonnull final NamingContext entryMappingCtx) {
super(futureJVppCore);
this.gpeStateCheckService = gpeStateCheckService;
this.entryMappingCtx = entryMappingCtx;
}
@Override
public void writeCurrentAttributes(@Nonnull final InstanceIdentifier<GpeEntry> id,
@Nonnull final GpeEntry dataAfter,
@Nonnull final WriteContext writeContext) throws WriteFailedException {
gpeStateCheckService.checkGpeEnabledAfter(writeContext);
final GpeAddDelFwdEntryReply replyForWrite =
getReplyForWrite(sendRequestAndMap(true, dataAfter).toCompletableFuture(), id);
addDelMapping(true, dataAfter, replyForWrite, writeContext.getMappingContext());
}
@Override
public void updateCurrentAttributes(@Nonnull final InstanceIdentifier<GpeEntry> id,
@Nonnull final GpeEntry dataBefore,
@Nonnull final GpeEntry dataAfter, @Nonnull final WriteContext writeContext)
throws WriteFailedException {
gpeStateCheckService.checkGpeEnabledAfter(writeContext);
final GpeAddDelFwdEntryReply replyForDelete = getReplyForDelete(
sendRequestAndMap(false, dataBefore).toCompletableFuture(), id);
addDelMapping(false, dataBefore, replyForDelete, writeContext.getMappingContext());
final GpeAddDelFwdEntryReply replyForUpdate = getReplyForUpdate(
sendRequestAndMap(true, dataAfter).toCompletableFuture(), id, dataBefore, dataAfter);
addDelMapping(true, dataAfter, replyForUpdate, writeContext.getMappingContext());
}
@Override
public void deleteCurrentAttributes(@Nonnull final InstanceIdentifier<GpeEntry> id,
@Nonnull final GpeEntry dataBefore,
@Nonnull final WriteContext writeContext) throws WriteFailedException {
gpeStateCheckService.checkGpeEnabledBefore(writeContext);
final GpeAddDelFwdEntryReply replyForDelete =
getReplyForDelete(sendRequestAndMap(false, dataBefore).toCompletableFuture(), id);
addDelMapping(false, dataBefore, replyForDelete, writeContext.getMappingContext());
}
private CompletableFuture<GpeAddDelFwdEntryReply> sendRequestAndMap(final boolean add,
final GpeEntry data) {
return getFutureJVpp().gpeAddDelFwdEntry(bindRequest(add, data)).toCompletableFuture();
}
private void addDelMapping(final boolean add,
final GpeEntry data,
final GpeAddDelFwdEntryReply reply,
final MappingContext mappingContext){
/*
* sync to prevent synchronization issues
*/
synchronized (entryMappingCtx) {
if (add) {
entryMappingCtx.addName(reply.fwdEntryIndex, data.getId(), mappingContext);
} else {
entryMappingCtx.removeName(data.getId(), mappingContext);
}
}
}
private GpeAddDelFwdEntry bindRequest(final boolean add, @Nonnull final GpeEntry entry) {
final GpeAddDelFwdEntry request = new GpeAddDelFwdEntry();
request.isAdd = booleanToByte(add);
request.vni = entry.getVni().byteValue();
request.dpTable = entry.getDpTable().byteValue();
final RemoteEid remoteEid = Optional.ofNullable(entry.getRemoteEid())
.orElseThrow(() -> new IllegalArgumentException("Remote eid cannot be null"));
final EidType remoteEidType = getEidType(remoteEid);
// for gpe entries, local eid does not have to be specified
final LocalEid localEid = entry.getLocalEid();
if (localEid != null) {
final EidType localEidType = getEidType(localEid);
checkArgument(localEidType == remoteEidType, "Different eid type detected - Local[%s]/Remote[%s]",
localEidType,
remoteEidType);
request.lclEid = getEidAsByteArray(localEid);
request.lclLen = getPrefixLength(localEid);
}
request.eidType = (byte) remoteEidType.getVppTypeBinding();
request.rmtEid = getEidAsByteArray(remoteEid);
request.rmtLen = getPrefixLength(remoteEid);
if (nonNull(entry.getAction())) {
request.action = (byte) entry.getAction().getIntValue();
}
if (nonNull(entry.getLocatorPair())) {
request.locs = toRequestLocators(entry.getLocatorPair());
request.locNum = request.locs.length;
}
return request;
}
// Locators vector must be ordered in way that local locators are first ,then remote.
// Pair is translated to two locators, one(local) with local address and weight, second one(remote) with remote
// address
private GpeLocator[] toRequestLocators(final List<LocatorPair> pairs) {
final List<GpeLocator> localLocators = pairs.stream()
.map(locatorPair -> {
final boolean isLocalIpv6 = isIpv6(locatorPair.getLocalLocator());
final boolean isRemoteIpv6 = isIpv6(locatorPair.getRemoteLocator());
checkArgument(isLocalIpv6 == isRemoteIpv6,
"Invalid combination for locator pair - Local[ipv6=%s]/Remote[ipv6=%s]", isLocalIpv6,
isRemoteIpv6);
GpeLocator localLocator = new GpeLocator();
localLocator.addr = ipAddressToArray(locatorPair.getLocalLocator());
localLocator.isIp4 = booleanToByte(!isLocalIpv6);
localLocator.weight = locatorPair.getWeight().byteValue();
return localLocator;
}).collect(Collectors.toList());
final List<GpeLocator> remoteLocators = pairs.stream()
.map(locatorPair -> {
final boolean isRemoteIpv6 = isIpv6(locatorPair.getRemoteLocator());
GpeLocator remoteLocator = new GpeLocator();
remoteLocator.addr = ipAddressToArray(locatorPair.getRemoteLocator());
remoteLocator.isIp4 = booleanToByte(!isRemoteIpv6);
return remoteLocator;
}).collect(Collectors.toList());
return Stream.of(localLocators, remoteLocators).flatMap(Collection::stream).toArray(GpeLocator[]::new);
}
}
|
