applications/bulk-o-matic/src/main/java/org/opendaylight/openflowplugin/applications/bulk/o/matic/FlowWriterDirectOFRpc.java

   1 /*
   2  * Copyright (c) 2016, 2017 Ericsson 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 package org.opendaylight.openflowplugin.applications.bulk.o.matic;
   9
  10 import java.util.Collections;
  11 import java.util.HashSet;
  12 import java.util.List;
  13 import java.util.Optional;
  14 import java.util.Set;
  15 import java.util.concurrent.ExecutionException;
  16 import java.util.concurrent.ExecutorService;
  17 import java.util.concurrent.Future;
  18 import java.util.concurrent.TimeUnit;
  19 import org.opendaylight.infrautils.utils.concurrent.JdkFutures;
  20 import org.opendaylight.mdsal.binding.api.DataBroker;
  21 import org.opendaylight.mdsal.binding.api.ReadTransaction;
  22 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.Table;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.Flow;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.AddFlowInput;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.AddFlowInputBuilder;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.AddFlowOutput;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.FlowTableRef;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.SalFlowService;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.FlowRef;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.Match;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeRef;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
  35 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  36 import org.opendaylight.yangtools.yang.common.RpcResult;
  37 import org.slf4j.Logger;
  38 import org.slf4j.LoggerFactory;
  39
  40 public class FlowWriterDirectOFRpc {
  41
  42     private static final Logger LOG = LoggerFactory.getLogger(FlowWriterDirectOFRpc.class);
  43     private final DataBroker dataBroker;
  44     private final SalFlowService flowService;
  45     private final ExecutorService flowPusher;
  46     private static final long PAUSE_BETWEEN_BATCH_MILLIS = 40;
  47
  48     public FlowWriterDirectOFRpc(final DataBroker dataBroker, final SalFlowService salFlowService,
  49             final ExecutorService flowPusher) {
  50         this.dataBroker = dataBroker;
  51         this.flowService = salFlowService;
  52         this.flowPusher = flowPusher;
  53     }
  54
  55     public void rpcFlowAdd(String dpId, int flowsPerDpn, int batchSize) {
  56         if (!getAllNodes().isEmpty() && getAllNodes().contains(dpId)) {
  57             FlowRPCHandlerTask addFlowRpcTask = new FlowRPCHandlerTask(dpId, flowsPerDpn, batchSize);
  58             flowPusher.execute(addFlowRpcTask);
  59         }
  60     }
  61
  62     public void rpcFlowAddAll(int flowsPerDpn, int batchSize) {
  63         Set<String> nodeIdSet = getAllNodes();
  64         if (nodeIdSet.isEmpty()) {
  65             LOG.warn("No nodes seen on OPERATIONAL DS. Aborting !!!!");
  66         } else {
  67             for (String dpId : nodeIdSet) {
  68                 LOG.info("Starting FlowRPCTaskHandler for switch id {}", dpId);
  69                 FlowRPCHandlerTask addFlowRpcTask = new FlowRPCHandlerTask(dpId, flowsPerDpn, batchSize);
  70                 flowPusher.execute(addFlowRpcTask);
  71             }
  72         }
  73     }
  74
  75     private Set<String> getAllNodes() {
  76
  77         Set<String> nodeIds = new HashSet<>();
  78         InstanceIdentifier<Nodes> nodes = InstanceIdentifier.create(Nodes.class);
  79
  80         try (ReadTransaction readOnlyTransaction = dataBroker.newReadOnlyTransaction()) {
  81             Optional<Nodes> nodesDataNode = readOnlyTransaction.read(LogicalDatastoreType.OPERATIONAL, nodes).get();
  82             if (nodesDataNode.isPresent()) {
  83                 List<Node> nodesCollection = nodesDataNode.get().getNode();
  84                 if (nodesCollection != null && !nodesCollection.isEmpty()) {
  85                     for (Node node : nodesCollection) {
  86                         LOG.info("Switch with ID {} discovered !!", node.getId().getValue());
  87                         nodeIds.add(node.getId().getValue());
  88                     }
  89                 } else {
  90                     return Collections.emptySet();
  91                 }
  92             } else {
  93                 return Collections.emptySet();
  94             }
  95         } catch (InterruptedException | ExecutionException e) {
  96             LOG.error("Failed to read connected nodes {}", e);
  97         }
  98         return nodeIds;
  99     }
 100
 101     public class FlowRPCHandlerTask implements Runnable {
 102         private final String dpId;
 103         private final int flowsPerDpn;
 104         private final int batchSize;
 105
 106         public FlowRPCHandlerTask(final String dpId, final int flowsPerDpn, final int batchSize) {
 107             this.dpId = dpId;
 108             this.flowsPerDpn = flowsPerDpn;
 109             this.batchSize = batchSize;
 110         }
 111
 112         @Override
 113         public void run() {
 114
 115             short tableId = (short) 1;
 116             int initFlowId = 500;
 117
 118             for (int i = 1; i <= flowsPerDpn; i++) {
 119
 120                 String flowId = Integer.toString(initFlowId + i);
 121
 122                 LOG.debug("Framing AddFlowInput for flow-id {}", flowId);
 123
 124                 Match match = BulkOMaticUtils.getMatch(i);
 125                 InstanceIdentifier<Node> nodeIId = BulkOMaticUtils.getFlowCapableNodeId(dpId);
 126                 InstanceIdentifier<Table> tableIId = BulkOMaticUtils.getTableId(tableId, dpId);
 127                 InstanceIdentifier<Flow> flowIId = BulkOMaticUtils.getFlowId(tableIId, flowId);
 128
 129                 Flow flow = BulkOMaticUtils.buildFlow(tableId, flowId, match);
 130
 131                 AddFlowInputBuilder builder = new AddFlowInputBuilder(flow);
 132                 builder.setNode(new NodeRef(nodeIId));
 133                 builder.setFlowTable(new FlowTableRef(tableIId));
 134                 builder.setFlowRef(new FlowRef(flowIId));
 135
 136                 AddFlowInput addFlowInput = builder.build();
 137
 138                 LOG.debug("RPC invocation for adding flow-id {} with input {}", flowId, addFlowInput.toString());
 139                 final Future<RpcResult<AddFlowOutput>> resultFuture = flowService.addFlow(addFlowInput);
 140                 JdkFutures.addErrorLogging(resultFuture, LOG, "addFlow");
 141
 142                 if (i % batchSize == 0) {
 143                     try {
 144                         LOG.info("Pausing for {} MILLISECONDS after batch of {} RPC invocations",
 145                                 PAUSE_BETWEEN_BATCH_MILLIS, batchSize);
 146
 147                         TimeUnit.MILLISECONDS.sleep(PAUSE_BETWEEN_BATCH_MILLIS);
 148                     } catch (InterruptedException iEx) {
 149                         LOG.error("Interrupted while pausing after batched push upto {} Ex ", i, iEx);
 150                     }
 151                 }
 152             }
 153         }
 154     }
 155 }