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.List;
  18 import org.opendaylight.openflowplugin.api.openflow.connection.ConnectionContext;
  19 import org.opendaylight.openflowplugin.api.openflow.device.DeviceContext;
  20 import org.opendaylight.openflowplugin.api.openflow.device.DeviceState;
  21 import org.opendaylight.openflowplugin.api.openflow.device.RequestContext;
  22 import org.opendaylight.openflowplugin.api.openflow.statistics.StatisticsContext;
  23 import org.opendaylight.openflowplugin.impl.rpc.RequestContextImpl;
  24 import org.opendaylight.openflowplugin.impl.services.RequestContextUtil;
  25 import org.opendaylight.openflowplugin.impl.statistics.services.dedicated.StatisticsGatheringService;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.MultipartType;
  27 import org.opendaylight.yangtools.yang.common.RpcResult;
  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     public static final String CONNECTION_CLOSED = "Connection closed.";
  38     private final List<RequestContext> requestContexts = new ArrayList();
  39     private final DeviceContext deviceContext;
  40
  41
  42     private final StatisticsGatheringService statisticsGatheringService;
  43
  44     public StatisticsContextImpl(final DeviceContext deviceContext) {
  45         this.deviceContext = deviceContext;
  46         statisticsGatheringService = new StatisticsGatheringService(this, deviceContext);
  47
  48     }
  49
  50     @Override
  51     public ListenableFuture<Boolean> gatherDynamicData() {
  52
  53         final SettableFuture settableResultingFuture = SettableFuture.create();
  54         ListenableFuture<Boolean> resultingFuture = settableResultingFuture;
  55
  56
  57         if (ConnectionContext.CONNECTION_STATE.WORKING.equals(deviceContext.getPrimaryConnectionContext().getConnectionState())) {
  58             final DeviceState devState = deviceContext.getDeviceState();
  59             ListenableFuture<Boolean> emptyFuture = Futures.immediateFuture(new Boolean(false));
  60             final ListenableFuture<Boolean> flowStatistics = devState.isFlowStatisticsAvailable() ? wrapLoggingOnStatisticsRequestCall(MultipartType.OFPMPFLOW) : emptyFuture;
  61
  62             final ListenableFuture<Boolean> tableStatistics = devState.isTableStatisticsAvailable() ? wrapLoggingOnStatisticsRequestCall(MultipartType.OFPMPTABLE) : emptyFuture;
  63
  64             final ListenableFuture<Boolean> portStatistics = devState.isPortStatisticsAvailable() ? wrapLoggingOnStatisticsRequestCall(MultipartType.OFPMPPORTSTATS) : emptyFuture;
  65
  66             final ListenableFuture<Boolean> queueStatistics = devState.isQueueStatisticsAvailable() ? wrapLoggingOnStatisticsRequestCall(MultipartType.OFPMPQUEUE) : emptyFuture;
  67
  68             final ListenableFuture<Boolean> groupDescStatistics = devState.isGroupAvailable() ? wrapLoggingOnStatisticsRequestCall(MultipartType.OFPMPGROUPDESC) : emptyFuture;
  69             final ListenableFuture<Boolean> groupStatistics = devState.isGroupAvailable() ? wrapLoggingOnStatisticsRequestCall(MultipartType.OFPMPGROUP) : emptyFuture;
  70
  71             final ListenableFuture<Boolean> meterConfigStatistics = devState.isMetersAvailable() ? wrapLoggingOnStatisticsRequestCall(MultipartType.OFPMPMETERCONFIG) : emptyFuture;
  72             final ListenableFuture<Boolean> meterStatistics = devState.isMetersAvailable() ? wrapLoggingOnStatisticsRequestCall(MultipartType.OFPMPMETER) : emptyFuture;
  73
  74
  75             final ListenableFuture<List<Boolean>> allFutures = Futures.allAsList(Arrays.asList(flowStatistics, tableStatistics, groupDescStatistics, groupStatistics, meterConfigStatistics, meterStatistics, portStatistics, queueStatistics));
  76             Futures.addCallback(allFutures, new FutureCallback<List<Boolean>>() {
  77                 @Override
  78                 public void onSuccess(final List<Boolean> booleans) {
  79                     boolean atLeastOneSuccess = false;
  80                     for (Boolean bool : booleans) {
  81                         atLeastOneSuccess |= bool.booleanValue();
  82                     }
  83                     settableResultingFuture.set(new Boolean(atLeastOneSuccess));
  84                 }
  85
  86                 @Override
  87                 public void onFailure(final Throwable throwable) {
  88                     settableResultingFuture.setException(throwable);
  89                 }
  90             });
  91         } else {
  92             switch (deviceContext.getPrimaryConnectionContext().getConnectionState()) {
  93                 case RIP:
  94                     resultingFuture = Futures.immediateFailedFuture(new Throwable(String.format("Device connection doesn't exist anymore. Primary connection status : %s", deviceContext.getPrimaryConnectionContext().getConnectionState())));
  95                     break;
  96                 default:
  97                     resultingFuture = Futures.immediateCheckedFuture(Boolean.TRUE);
  98                     break;
  99             }
 100
 101
 102         }
 103         return resultingFuture;
 104     }
 105
 106     private ListenableFuture<Boolean> wrapLoggingOnStatisticsRequestCall(final MultipartType type) {
 107         final ListenableFuture<Boolean> future = StatisticsGatheringUtils.gatherStatistics(statisticsGatheringService, deviceContext, type);
 108         Futures.addCallback(future, new FutureCallback() {
 109             @Override
 110             public void onSuccess(final Object o) {
 111                 LOG.trace("Multipart response for {} was successful.", type);
 112             }
 113
 114             @Override
 115             public void onFailure(final Throwable throwable) {
 116                 LOG.trace("Multipart response for {} FAILED.", type, throwable);
 117             }
 118         });
 119         return future;
 120     }
 121
 122     @Override
 123     public <T> void forgetRequestContext(final RequestContext<T> requestContext) {
 124         requestContexts.remove(requestContexts);
 125     }
 126
 127     @Override
 128     public <T> SettableFuture<RpcResult<T>> storeOrFail(final RequestContext<T> data) {
 129         requestContexts.add(data);
 130         return data.getFuture();
 131     }
 132
 133     @Override
 134     public <T> RequestContext<T> createRequestContext() {
 135         return new RequestContextImpl<>(this);
 136     }
 137
 138     @Override
 139     public void close() throws Exception {
 140         for (RequestContext requestContext : requestContexts) {
 141             RequestContextUtil.closeRequestContextWithRpcError(requestContext, CONNECTION_CLOSED);
 142         }
 143     }
 144 }