openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/statistics/StatisticsContextImpl.java

   1 /*
   2  * Copyright (c) 2015 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   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
   7  */
   8
   9 package org.opendaylight.openflowplugin.impl.statistics;
  10
  11 import com.google.common.util.concurrent.FutureCallback;
  12 import com.google.common.util.concurrent.Futures;
  13 import com.google.common.util.concurrent.ListenableFuture;
  14 import com.google.common.util.concurrent.SettableFuture;
  15 import java.util.ArrayList;
  16 import java.util.Arrays;
  17 import java.util.Collection;
  18 import java.util.HashSet;
  19 import java.util.List;
  20 import org.opendaylight.openflowplugin.api.openflow.connection.ConnectionContext;
  21 import org.opendaylight.openflowplugin.api.openflow.device.DeviceContext;
  22 import org.opendaylight.openflowplugin.api.openflow.device.DeviceState;
  23 import org.opendaylight.openflowplugin.api.openflow.device.RequestContext;
  24 import org.opendaylight.openflowplugin.api.openflow.statistics.StatisticsContext;
  25 import org.opendaylight.openflowplugin.impl.rpc.RequestContextImpl;
  26 import org.opendaylight.openflowplugin.impl.services.RequestContextUtil;
  27 import org.opendaylight.openflowplugin.impl.statistics.services.dedicated.StatisticsGatheringService;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.MultipartType;
  29 import org.opendaylight.yangtools.yang.common.RpcResult;
  30 import org.slf4j.Logger;
  31 import org.slf4j.LoggerFactory;
  32
  33 /**
  34  * Created by Martin Bobak &lt;mbobak@cisco.com&gt; on 1.4.2015.
  35  */
  36 public class StatisticsContextImpl implements StatisticsContext {
  37
  38     private static final Logger LOG = LoggerFactory.getLogger(StatisticsContextImpl.class);
  39     public static final String CONNECTION_CLOSED = "Connection closed.";
  40     private final Collection<RequestContext> requestContexts = new HashSet<>();
  41     private final DeviceContext deviceContext;
  42
  43
  44     private final StatisticsGatheringService statisticsGatheringService;
  45
  46     public StatisticsContextImpl(final DeviceContext deviceContext) {
  47         this.deviceContext = deviceContext;
  48         statisticsGatheringService = new StatisticsGatheringService(this, deviceContext);
  49
  50     }
  51
  52     @Override
  53     public ListenableFuture<Boolean> gatherDynamicData() {
  54
  55         final SettableFuture settableResultingFuture = SettableFuture.create();
  56         ListenableFuture<Boolean> resultingFuture = settableResultingFuture;
  57
  58
  59         if (ConnectionContext.CONNECTION_STATE.WORKING.equals(deviceContext.getPrimaryConnectionContext().getConnectionState())) {
  60             final DeviceState devState = deviceContext.getDeviceState();
  61             final ListenableFuture<Boolean> emptyFuture = Futures.immediateFuture(new Boolean(false));
  62             final ListenableFuture<Boolean> flowStatistics = devState.isFlowStatisticsAvailable() ? StatisticsGatheringUtils.gatherStatistics(statisticsGatheringService, deviceContext, MultipartType.OFPMPFLOW) : emptyFuture;
  63
  64             final ListenableFuture<Boolean> tableStatistics = devState.isTableStatisticsAvailable() ? StatisticsGatheringUtils.gatherStatistics(statisticsGatheringService, deviceContext, MultipartType.OFPMPTABLE) : emptyFuture;
  65
  66             final ListenableFuture<Boolean> portStatistics = devState.isPortStatisticsAvailable() ? StatisticsGatheringUtils.gatherStatistics(statisticsGatheringService, deviceContext, MultipartType.OFPMPPORTSTATS) : emptyFuture;
  67
  68             final ListenableFuture<Boolean> queueStatistics = devState.isQueueStatisticsAvailable() ? StatisticsGatheringUtils.gatherStatistics(statisticsGatheringService, deviceContext, MultipartType.OFPMPQUEUE) : emptyFuture;
  69
  70             final ListenableFuture<Boolean> groupDescStatistics = devState.isGroupAvailable() ? StatisticsGatheringUtils.gatherStatistics(statisticsGatheringService, deviceContext, MultipartType.OFPMPGROUPDESC) : emptyFuture;
  71             final ListenableFuture<Boolean> groupStatistics = devState.isGroupAvailable() ? StatisticsGatheringUtils.gatherStatistics(statisticsGatheringService, deviceContext, MultipartType.OFPMPGROUP) : emptyFuture;
  72
  73             final ListenableFuture<Boolean> meterConfigStatistics = devState.isMetersAvailable() ? StatisticsGatheringUtils.gatherStatistics(statisticsGatheringService, deviceContext, MultipartType.OFPMPMETERCONFIG) : emptyFuture;
  74             final ListenableFuture<Boolean> meterStatistics = devState.isMetersAvailable() ? StatisticsGatheringUtils.gatherStatistics(statisticsGatheringService, deviceContext, MultipartType.OFPMPMETER) : emptyFuture;
  75
  76
  77             final ListenableFuture<List<Boolean>> allFutures = Futures.allAsList(Arrays.asList(flowStatistics, tableStatistics, groupDescStatistics, groupStatistics, meterConfigStatistics, meterStatistics, portStatistics, queueStatistics));
  78             Futures.addCallback(allFutures, new FutureCallback<List<Boolean>>() {
  79                 @Override
  80                 public void onSuccess(final List<Boolean> booleans) {
  81                     boolean atLeastOneSuccess = false;
  82                     for (final Boolean bool : booleans) {
  83                         atLeastOneSuccess |= bool.booleanValue();
  84                     }
  85                     settableResultingFuture.set(new Boolean(atLeastOneSuccess));
  86                 }
  87
  88                 @Override
  89                 public void onFailure(final Throwable throwable) {
  90                     settableResultingFuture.setException(throwable);
  91                 }
  92             });
  93         } else {
  94             switch (deviceContext.getPrimaryConnectionContext().getConnectionState()) {
  95                 case RIP:
  96                     resultingFuture = Futures.immediateFailedFuture(new Throwable(String.format("Device connection doesn't exist anymore. Primary connection status : %s", deviceContext.getPrimaryConnectionContext().getConnectionState())));
  97                     break;
  98                 default:
  99                     resultingFuture = Futures.immediateCheckedFuture(Boolean.TRUE);
 100                     break;
 101             }
 102
 103
 104         }
 105         return resultingFuture;
 106     }
 107
 108     @Override
 109     public <T> void forgetRequestContext(final RequestContext<T> requestContext) {
 110         requestContexts.remove(requestContext);
 111     }
 112
 113     @Override
 114     public <T> SettableFuture<RpcResult<T>> storeOrFail(final RequestContext<T> data) {
 115         requestContexts.add(data);
 116         return data.getFuture();
 117     }
 118
 119     @Override
 120     public <T> RequestContext<T> createRequestContext() {
 121         return new RequestContextImpl<>(this);
 122     }
 123
 124     @Override
 125     public void close() throws Exception {
 126         for (final RequestContext requestContext : requestContexts) {
 127             RequestContextUtil.closeRequestContextWithRpcError(requestContext, CONNECTION_CLOSED);
 128         }
 129     }
 130 }