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