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
|
/*
* Copyright (c) 2019 PANTHEON.tech.
*
* 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.v3po.notification;
import com.google.common.collect.Lists;
import io.fd.hc2vpp.common.translate.util.ByteDataTranslator;
import io.fd.hc2vpp.common.translate.util.JvppReplyConsumer;
import io.fd.hc2vpp.v3po.interfacesstate.cache.InterfaceCacheStatisticsDumpManager;
import io.fd.honeycomb.notification.ManagedNotificationProducer;
import io.fd.honeycomb.notification.NotificationCollector;
import io.fd.vpp.jvpp.VppBaseCallException;
import io.fd.vpp.jvpp.VppCallbackException;
import io.fd.vpp.jvpp.core.callback.VnetPerInterfaceCombinedCountersCallback;
import io.fd.vpp.jvpp.core.dto.VnetPerInterfaceCombinedCounters;
import io.fd.vpp.jvpp.core.dto.WantPerInterfaceCombinedStats;
import io.fd.vpp.jvpp.core.dto.WantPerInterfaceCombinedStatsReply;
import io.fd.vpp.jvpp.core.future.FutureJVppCore;
import java.math.BigInteger;
import java.time.LocalDateTime;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Optional;
import java.util.concurrent.CompletionStage;
import java.util.concurrent.TimeoutException;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.Counter64;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.InterfaceStatisticsChange;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181128.InterfaceStatisticsChangeBuilder;
import org.opendaylight.yangtools.yang.binding.Notification;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class StatisticsChangeNotificationProducer implements ManagedNotificationProducer, JvppReplyConsumer,
ByteDataTranslator {
private static final Logger LOG = LoggerFactory.getLogger(StatisticsChangeNotificationProducer.class);
private final FutureJVppCore jvpp;
private InterfaceCacheStatisticsDumpManager ifcStatDumpManager;
@Nullable
private AutoCloseable notificationListenerReg;
public StatisticsChangeNotificationProducer(final FutureJVppCore jvpp,
final InterfaceCacheStatisticsDumpManager ifcStatDumpManager) {
this.jvpp = jvpp;
this.ifcStatDumpManager = ifcStatDumpManager;
}
@Override
public void start(@Nonnull final NotificationCollector collector) {
LOG.trace("Starting statistics notifications");
notificationListenerReg = jvpp.getEventRegistry().registerVnetPerInterfaceCombinedCountersCallback(
new VnetPerInterfaceCombinedCountersCallback() {
@Override
public void onVnetPerInterfaceCombinedCounters(
final VnetPerInterfaceCombinedCounters vnetPerInterfaceCombinedCounters) {
LOG.trace("Statistics notification received: {}", vnetPerInterfaceCombinedCounters);
try {
ifcStatDumpManager.setStatisticsData(vnetPerInterfaceCombinedCounters, LocalDateTime.now(),
vnetPerInterfaceCombinedCounters.data[0].swIfIndex);
collector.onNotification(transformNotification(vnetPerInterfaceCombinedCounters));
} catch (Exception e) {
// There is no need to propagate exception to jvpp rx thread in case of unexpected failures.
// We can't do much about it, so lets log the exception.
LOG.warn("Failed to process statistics notification {}", vnetPerInterfaceCombinedCounters,
e);
}
}
@Override
public void onError(final VppCallbackException e) {
LOG.warn("Statistics notification error received.", e);
}
}
);
}
private Notification transformNotification(final VnetPerInterfaceCombinedCounters reading) {
InterfaceStatisticsChangeBuilder builder = new InterfaceStatisticsChangeBuilder();
if (reading.data.length > 0) {
builder.setInBroadcastPkts(new Counter64(BigInteger.valueOf(reading.data[0].rxBroadcastPackets)))
.setOutBroadcastPkts(new Counter64(BigInteger.valueOf(reading.data[0].txBroadcastPackets)))
.setInMulticastPkts(new Counter64(BigInteger.valueOf(reading.data[0].rxMulticastPackets)))
.setOutMulticastPkts(new Counter64(BigInteger.valueOf(reading.data[0].txMulticastPackets)))
.setInOctets(new Counter64(BigInteger.valueOf(reading.data[0].rxBytes)))
.setOutOctets(new Counter64(BigInteger.valueOf(reading.data[0].txBytes)));
}
return builder.build();
}
@Override
public void stop() {
LOG.trace("Stopping statistics notifications");
disableIfcNotifications(ifcStatDumpManager.getEnabledInterfaces());
ifcStatDumpManager.disableAll();
LOG.debug("Statistics notifications stopped successfully");
try {
if (notificationListenerReg != null) {
notificationListenerReg.close();
}
} catch (Exception e) {
LOG.warn("Unable to properly close notification registration: {}", notificationListenerReg, e);
}
}
@Nonnull
@Override
public Collection<Class<? extends Notification>> getNotificationTypes() {
final ArrayList<Class<? extends Notification>> classes = Lists.newArrayList();
classes.add(InterfaceStatisticsChange.class);
return classes;
}
@Override
public void close() throws Exception {
LOG.trace("Closing statistics notifications producer");
stop();
}
private void disableIfcNotifications(final int[] swIfIndexes) {
if (swIfIndexes.length == 0) {
return;
}
WantPerInterfaceCombinedStats request = new WantPerInterfaceCombinedStats();
request.num = swIfIndexes.length;
request.enableDisable = BYTE_FALSE;
request.pid = 1;
request.swIfs = Optional.of(swIfIndexes).orElse(new int[]{});
final CompletionStage<WantPerInterfaceCombinedStatsReply> result =
this.jvpp.wantPerInterfaceCombinedStats(request);
try {
getReply(result.toCompletableFuture());
} catch (VppBaseCallException | TimeoutException e) {
LOG.warn("Unable to disable statistics notifications", e);
throw new IllegalStateException("Unable to disable statistics notifications", e);
}
}
}
|
