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