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