applications/southbound-cli/src/main/java/org/opendaylight/openflowplugin/applications/southboundcli/util/ShellUtil.java

   1 /*
   2  * Copyright (c) 2017 Ericsson India Global Services Pvt Ltd. 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.applications.southboundcli.util;
  10
  11 import java.util.ArrayList;
  12 import java.util.Collection;
  13 import java.util.Collections;
  14 import java.util.List;
  15 import java.util.Map;
  16 import java.util.Optional;
  17 import java.util.concurrent.ExecutionException;
  18 import org.opendaylight.mdsal.binding.api.DataBroker;
  19 import org.opendaylight.mdsal.binding.api.ReadTransaction;
  20 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  21 import org.opendaylight.openflowplugin.applications.southboundcli.NodeListener;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNode;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNodeConnector;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnector;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeKey;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.openflowplugin.app.reconciliation.service.rev180227.ReconciliationCounter;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.openflowplugin.app.reconciliation.service.rev180227.reconciliation.counter.ReconcileCounter;
  31 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  32 import org.slf4j.Logger;
  33 import org.slf4j.LoggerFactory;
  34
  35 public final class ShellUtil {
  36     private static final Logger LOG = LoggerFactory.getLogger(ShellUtil.class);
  37
  38     public static final String NODE_PREFIX = "openflow:";
  39
  40     private ShellUtil() {
  41     }
  42
  43     public static List<OFNode> getAllNodes(final NodeListener nodeListener) {
  44         List<OFNode> dpnList = new ArrayList<>();
  45         for (Map.Entry<Long, String> entry : nodeListener.getDpnIdToNameCache().entrySet()) {
  46             OFNode dpn = new OFNode(entry.getKey(), entry.getValue());
  47             dpnList.add(dpn);
  48             LOG.trace("Added OFNode: {} to the list", dpn.getNodeId());
  49         }
  50         Collections.sort(dpnList);
  51         return dpnList;
  52     }
  53
  54     public static OFNode getNode(final long nodeId, final DataBroker broker) {
  55         OFNode nodeInfo = getNodeInfo(nodeId, broker);
  56         if (nodeInfo == null) {
  57             LOG.info("No ports exist for this node with nodeId {}", nodeId);
  58             return null;
  59         } else {
  60             List<String> ports = new ArrayList<>();
  61             // OFNode State is not provided by plugin, hence using null
  62             if (nodeInfo.getPorts() == null) {
  63                 LOG.info("No ports exist for this node with nodeId {}", nodeId);
  64                 return null;
  65             } else {
  66                 for (String port : nodeInfo.getPorts()) {
  67                     ports.add(port);
  68                 }
  69                 return new OFNode(nodeId, nodeInfo.getNodeName(), ports);
  70             }
  71         }
  72     }
  73
  74     public static OFNode getNodeInfo(final Long nodeId, final DataBroker broker) {
  75         OFNode ofNode = null;
  76         InstanceIdentifier<Node> path = InstanceIdentifier.builder(Nodes.class)
  77                 .child(Node.class, new NodeKey(new NodeId(NODE_PREFIX + nodeId))).build();
  78
  79         try (ReadTransaction tx = broker.newReadOnlyTransaction()) {
  80             Optional<Node> result = tx.read(LogicalDatastoreType.OPERATIONAL, path).get();
  81             if (result.isPresent()) {
  82                 Node node = result.get();
  83                 String name;
  84                 Collection<NodeConnector> nodeConnectors = node.nonnullNodeConnector().values();
  85                 List<String> portList = new ArrayList<>();
  86                 FlowCapableNode flowCapableNode = node.<FlowCapableNode>augmentation(FlowCapableNode.class);
  87                 if (flowCapableNode != null) {
  88                     name = node.<FlowCapableNode>augmentation(FlowCapableNode.class).getDescription();
  89                 } else {
  90                     LOG.error("Error while converting OFNode:{} to FlowCapableNode", node.getId());
  91                     return null;
  92                 }
  93                 for (NodeConnector nodeConnector : nodeConnectors) {
  94                     FlowCapableNodeConnector flowCapableNodeConnector =
  95                             nodeConnector.augmentation(FlowCapableNodeConnector.class);
  96                     if (flowCapableNodeConnector == null) {
  97                         LOG.error("Error for OFNode:{} while reading nodeConnectors", node.getId());
  98                         return null;
  99                     } else {
 100                         String portName = flowCapableNodeConnector.getName();
 101                         portList.add(portName);
 102                     }
 103                 }
 104                 ofNode = new OFNode(nodeId, name, portList);
 105             } else {
 106                 LOG.error("OFNode with nodeId {} not present Inventory DS", nodeId);
 107                 return null;
 108             }
 109         } catch (ExecutionException | InterruptedException e) {
 110             LOG.error("Error reading node {} from Inventory DS", nodeId, e);
 111         }
 112         return ofNode;
 113     }
 114
 115     public static Collection<ReconcileCounter> getReconcileCount(final DataBroker dataBroker) {
 116         InstanceIdentifier<ReconciliationCounter> instanceIdentifier = InstanceIdentifier
 117                 .builder(ReconciliationCounter.class).build();
 118         Collection<ReconcileCounter> output = Collections.emptyList();
 119         try (ReadTransaction tx = dataBroker.newReadOnlyTransaction()) {
 120             Optional<ReconciliationCounter> result =
 121                     tx.read(LogicalDatastoreType.OPERATIONAL, instanceIdentifier).get();
 122             if (result.isPresent()) {
 123                 output = result.get().nonnullReconcileCounter().values();
 124             }
 125         } catch (ExecutionException | InterruptedException | NullPointerException e) {
 126             LOG.error("Error reading reconciliation counter from datastore", e);
 127         }
 128         return output;
 129     }
 130 }