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.base.Preconditions;
11 import com.google.common.util.concurrent.ListenableFuture;
12 import com.google.common.util.concurrent.ListeningExecutorService;
13 import java.util.concurrent.ConcurrentHashMap;
14 import java.util.concurrent.ConcurrentMap;
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.ChangeStatisticsWorkModeInput;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.openflowplugin.sm.control.rev150812.ChangeStatisticsWorkModeOutput;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.openflowplugin.sm.control.rev150812.GetStatisticsWorkModeInput;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.openflowplugin.sm.control.rev150812.GetStatisticsWorkModeOutput;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.openflowplugin.sm.control.rev150812.GetStatisticsWorkModeOutputBuilder;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.openflowplugin.sm.control.rev150812.StatisticsManagerControlService;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.openflowplugin.sm.control.rev150812.StatisticsWorkMode;
33 import org.opendaylight.yangtools.concepts.ObjectRegistration;
34 import org.opendaylight.yangtools.yang.common.RpcError;
35 import org.opendaylight.yangtools.yang.common.RpcResult;
36 import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
37 import org.slf4j.Logger;
38 import org.slf4j.LoggerFactory;
40 public class StatisticsManagerImpl implements StatisticsManager, StatisticsManagerControlService {
42 private static final Logger LOG = LoggerFactory.getLogger(StatisticsManagerImpl.class);
44 private final OpenflowProviderConfig config;
45 private final ConvertorExecutor converterExecutor;
46 private final ConcurrentMap<DeviceInfo, StatisticsContext> contexts = new ConcurrentHashMap<>();
47 private final Semaphore workModeGuard = new Semaphore(1, true);
48 private final ObjectRegistration<StatisticsManagerControlService> controlServiceRegistration;
49 private final ListeningExecutorService executorService;
50 private final StatisticsWorkMode workMode = StatisticsWorkMode.COLLECTALL;
51 private boolean isStatisticsFullyDisabled;
53 public StatisticsManagerImpl(@NonNull final OpenflowProviderConfig config,
54 @NonNull final RpcProviderService rpcProviderRegistry,
55 final ConvertorExecutor convertorExecutor,
56 @NonNull final ListeningExecutorService executorService) {
58 this.converterExecutor = convertorExecutor;
59 this.controlServiceRegistration = Preconditions.checkNotNull(rpcProviderRegistry
60 .registerRpcImplementation(StatisticsManagerControlService.class, this));
61 this.executorService = executorService;
65 public ListenableFuture<RpcResult<GetStatisticsWorkModeOutput>> getStatisticsWorkMode(
66 GetStatisticsWorkModeInput input) {
67 return RpcResultBuilder.success(new GetStatisticsWorkModeOutputBuilder()
69 .build()).buildFuture();
73 public ListenableFuture<RpcResult<ChangeStatisticsWorkModeOutput>> changeStatisticsWorkMode(
74 ChangeStatisticsWorkModeInput input) {
75 if (workModeGuard.tryAcquire()) {
76 final StatisticsWorkMode targetWorkMode = input.getMode();
77 isStatisticsFullyDisabled = StatisticsWorkMode.FULLYDISABLED.equals(targetWorkMode);
79 contexts.values().forEach(context -> {
80 switch (targetWorkMode) {
82 context.enableGathering();
85 context.disableGathering();
88 LOG.warn("Statistics work mode not supported: {}", targetWorkMode);
92 workModeGuard.release();
93 return RpcResultBuilder.<ChangeStatisticsWorkModeOutput>success().buildFuture();
96 return RpcResultBuilder.<ChangeStatisticsWorkModeOutput>failed()
97 .withError(RpcError.ErrorType.APPLICATION,
98 "Statistics work mode change is already in progress")
103 public StatisticsContext createContext(@NonNull final DeviceContext deviceContext,
104 final boolean useReconciliationFramework) {
105 final MultipartWriterProvider statisticsWriterProvider = MultipartWriterProviderFactory
106 .createDefaultProvider(deviceContext);
108 final StatisticsContext statisticsContext = new StatisticsContextImpl<>(
111 statisticsWriterProvider,
114 !isStatisticsFullyDisabled && config.isIsStatisticsPollingOn(),
115 useReconciliationFramework);
117 contexts.put(deviceContext.getDeviceInfo(), statisticsContext);
118 return statisticsContext;
122 public void onDeviceRemoved(final DeviceInfo deviceInfo) {
123 contexts.remove(deviceInfo);
124 LOG.debug("Statistics context removed for node {}", deviceInfo);
128 public void close() {
129 isStatisticsFullyDisabled = true;
130 controlServiceRegistration.close();
132 for (StatisticsContext context : contexts.values()) {