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