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.List;
  14 import java.util.Optional;
  15 import java.util.concurrent.ExecutionException;
  16 import org.opendaylight.mdsal.binding.api.DataBroker;
  17 import org.opendaylight.mdsal.binding.api.ReadTransaction;
  18 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNode;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNodeConnector;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnector;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeKey;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.openflowplugin.app.reconciliation.service.rev180227.ReconciliationCounter;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.openflowplugin.app.reconciliation.service.rev180227.reconciliation.counter.ReconcileCounter;
  28 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  29 import org.slf4j.Logger;
  30 import org.slf4j.LoggerFactory;
  31
  32 public final class ShellUtil {
  33     private static final Logger LOG = LoggerFactory.getLogger(ShellUtil.class);
  34
  35     public static final String LINE_SEPARATOR = "-".repeat(100);
  36     public static final String NODE_PREFIX = "openflow:";
  37
  38     private ShellUtil() {
  39     }
  40
  41     public static OFNode getNode(final long nodeId, final DataBroker broker) {
  42         OFNode nodeInfo = getNodeInfo(nodeId, broker);
  43         if (nodeInfo == null) {
  44             LOG.info("No ports exist for this node with nodeId {}", nodeId);
  45             return null;
  46         } else {
  47             List<String> ports = new ArrayList<>();
  48             // OFNode State is not provided by plugin, hence using null
  49             if (nodeInfo.getPorts() == null) {
  50                 LOG.info("No ports exist for this node with nodeId {}", nodeId);
  51                 return null;
  52             } else {
  53                 for (String port : nodeInfo.getPorts()) {
  54                     ports.add(port);
  55                 }
  56                 return new OFNode(nodeId, nodeInfo.getNodeName(), ports);
  57             }
  58         }
  59     }
  60
  61     public static OFNode getNodeInfo(final Long nodeId, final DataBroker broker) {
  62         OFNode ofNode = null;
  63         InstanceIdentifier<Node> path = InstanceIdentifier.builder(Nodes.class)
  64                 .child(Node.class, new NodeKey(new NodeId(NODE_PREFIX + nodeId))).build();
  65
  66         try (ReadTransaction tx = broker.newReadOnlyTransaction()) {
  67             Optional<Node> result = tx.read(LogicalDatastoreType.OPERATIONAL, path).get();
  68             if (result.isPresent()) {
  69                 Node node = result.orElseThrow();
  70                 String name;
  71                 Collection<NodeConnector> nodeConnectors = node.nonnullNodeConnector().values();
  72                 List<String> portList = new ArrayList<>();
  73                 FlowCapableNode flowCapableNode = node.<FlowCapableNode>augmentation(FlowCapableNode.class);
  74                 if (flowCapableNode != null) {
  75                     name = node.<FlowCapableNode>augmentation(FlowCapableNode.class).getDescription();
  76                 } else {
  77                     LOG.error("Error while converting OFNode:{} to FlowCapableNode", node.getId());
  78                     return null;
  79                 }
  80                 for (NodeConnector nodeConnector : nodeConnectors) {
  81                     FlowCapableNodeConnector flowCapableNodeConnector =
  82                             nodeConnector.augmentation(FlowCapableNodeConnector.class);
  83                     if (flowCapableNodeConnector == null) {
  84                         LOG.error("Error for OFNode:{} while reading nodeConnectors", node.getId());
  85                         return null;
  86                     } else {
  87                         String portName = flowCapableNodeConnector.getName();
  88                         portList.add(portName);
  89                     }
  90                 }
  91                 ofNode = new OFNode(nodeId, name, portList);
  92             } else {
  93                 LOG.error("OFNode with nodeId {} not present Inventory DS", nodeId);
  94                 return null;
  95             }
  96         } catch (ExecutionException | InterruptedException e) {
  97             LOG.error("Error reading node {} from Inventory DS", nodeId, e);
  98         }
  99         return ofNode;
 100     }
 101
 102     public static Collection<ReconcileCounter> getReconcileCount(final DataBroker dataBroker) {
 103         InstanceIdentifier<ReconciliationCounter> instanceIdentifier = InstanceIdentifier
 104                 .builder(ReconciliationCounter.class).build();
 105         try (ReadTransaction tx = dataBroker.newReadOnlyTransaction()) {
 106             final var result = tx.read(LogicalDatastoreType.OPERATIONAL, instanceIdentifier).get();
 107             return result.map(counter -> counter.nonnullReconcileCounter().values()).orElse(List.of());
 108         } catch (ExecutionException | InterruptedException e) {
 109             LOG.error("Error reading reconciliation counter from datastore", e);
 110             return List.of();
 111         }
 112     }
 113 }