2 * Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.openflowplugin.impl.statistics;
10 import com.google.common.annotations.VisibleForTesting;
11 import com.google.common.util.concurrent.ListenableFuture;
12 import java.util.concurrent.ConcurrentHashMap;
13 import java.util.concurrent.ConcurrentMap;
14 import java.util.concurrent.Executor;
15 import java.util.concurrent.Semaphore;
16 import org.eclipse.jdt.annotation.NonNull;
17 import org.opendaylight.mdsal.binding.api.RpcProviderService;
18 import org.opendaylight.openflowplugin.api.openflow.device.DeviceContext;
19 import org.opendaylight.openflowplugin.api.openflow.device.DeviceInfo;
20 import org.opendaylight.openflowplugin.api.openflow.statistics.StatisticsContext;
21 import org.opendaylight.openflowplugin.api.openflow.statistics.StatisticsManager;
22 import org.opendaylight.openflowplugin.impl.datastore.MultipartWriterProvider;
23 import org.opendaylight.openflowplugin.impl.datastore.MultipartWriterProviderFactory;
24 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.ConvertorExecutor;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.openflow.provider.config.rev160510.OpenflowProviderConfig;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.openflowplugin.sm.control.rev150812.ChangeStatisticsWorkMode;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.openflowplugin.sm.control.rev150812.ChangeStatisticsWorkModeInput;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.openflowplugin.sm.control.rev150812.ChangeStatisticsWorkModeOutput;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.openflowplugin.sm.control.rev150812.GetStatisticsWorkMode;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.openflowplugin.sm.control.rev150812.GetStatisticsWorkModeInput;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.openflowplugin.sm.control.rev150812.GetStatisticsWorkModeOutput;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.openflowplugin.sm.control.rev150812.GetStatisticsWorkModeOutputBuilder;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.openflowplugin.sm.control.rev150812.StatisticsWorkMode;
34 import org.opendaylight.yangtools.concepts.Registration;
35 import org.opendaylight.yangtools.yang.common.ErrorType;
36 import org.opendaylight.yangtools.yang.common.RpcResult;
37 import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
38 import org.slf4j.Logger;
39 import org.slf4j.LoggerFactory;
41 public final class StatisticsManagerImpl implements StatisticsManager {
42 private static final Logger LOG = LoggerFactory.getLogger(StatisticsManagerImpl.class);
45 final ConcurrentMap<DeviceInfo, StatisticsContext> contexts = new ConcurrentHashMap<>();
47 private final OpenflowProviderConfig config;
48 private final ConvertorExecutor converterExecutor;
49 private final Executor executor;
50 private final Semaphore workModeGuard = new Semaphore(1, true);
51 private final Registration controlServiceRegistration;
52 private final StatisticsWorkMode workMode = StatisticsWorkMode.COLLECTALL;
53 private boolean isStatisticsFullyDisabled;
55 public StatisticsManagerImpl(@NonNull final OpenflowProviderConfig config,
56 @NonNull final RpcProviderService rpcProviderRegistry,
57 final ConvertorExecutor convertorExecutor,
58 @NonNull final Executor executor) {
60 this.executor = executor;
61 converterExecutor = convertorExecutor;
62 controlServiceRegistration = rpcProviderRegistry.registerRpcImplementations(
63 (GetStatisticsWorkMode) this::getStatisticsWorkMode,
64 (ChangeStatisticsWorkMode) this::changeStatisticsWorkMode);
68 ListenableFuture<RpcResult<GetStatisticsWorkModeOutput>> getStatisticsWorkMode(
69 final GetStatisticsWorkModeInput input) {
70 return RpcResultBuilder.success(new GetStatisticsWorkModeOutputBuilder()
72 .build()).buildFuture();
76 ListenableFuture<RpcResult<ChangeStatisticsWorkModeOutput>> changeStatisticsWorkMode(
77 final ChangeStatisticsWorkModeInput input) {
78 if (workModeGuard.tryAcquire()) {
79 final StatisticsWorkMode targetWorkMode = input.getMode();
80 isStatisticsFullyDisabled = StatisticsWorkMode.FULLYDISABLED.equals(targetWorkMode);
82 contexts.values().forEach(context -> {
83 switch (targetWorkMode) {
85 context.enableGathering();
88 context.disableGathering();
91 LOG.warn("Statistics work mode not supported: {}", targetWorkMode);
95 workModeGuard.release();
96 return RpcResultBuilder.<ChangeStatisticsWorkModeOutput>success().buildFuture();
99 return RpcResultBuilder.<ChangeStatisticsWorkModeOutput>failed()
100 .withError(ErrorType.APPLICATION, "Statistics work mode change is already in progress")
105 public StatisticsContext createContext(@NonNull final DeviceContext deviceContext,
106 final boolean useReconciliationFramework) {
107 final MultipartWriterProvider statisticsWriterProvider = MultipartWriterProviderFactory
108 .createDefaultProvider(deviceContext);
110 final StatisticsContext statisticsContext = new StatisticsContextImpl<>(
113 statisticsWriterProvider,
116 !isStatisticsFullyDisabled && config.getIsStatisticsPollingOn(),
117 useReconciliationFramework);
119 contexts.put(deviceContext.getDeviceInfo(), statisticsContext);
120 return statisticsContext;
124 public void onDeviceRemoved(final DeviceInfo deviceInfo) {
125 contexts.remove(deviceInfo);
126 LOG.debug("Statistics context removed for node {}", deviceInfo);
130 public void close() {
131 isStatisticsFullyDisabled = true;
132 controlServiceRegistration.close();
134 for (StatisticsContext context : contexts.values()) {