openflowplugin/src/main/java/org/opendaylight/openflowplugin/openflow/md/util/InventoryDataServiceUtil.java

   1 /**
   2  * Copyright (c) 2013 Cisco 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.openflow.md.util;
   9
  10 import com.google.common.base.Optional;
  11 import java.math.BigInteger;
  12 import java.util.List;
  13 import java.util.concurrent.ExecutionException;
  14 import org.apache.commons.lang3.StringUtils;
  15 import org.opendaylight.controller.md.sal.binding.api.ReadTransaction;
  16 import org.opendaylight.controller.md.sal.binding.api.ReadWriteTransaction;
  17 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  18 import org.opendaylight.openflowplugin.openflow.md.core.session.OFSessionUtil;
  19 import org.opendaylight.openflowplugin.api.openflow.md.util.OpenflowVersion;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorId;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorRef;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorUpdatedBuilder;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeRef;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeUpdatedBuilder;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnector;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnectorBuilder;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnectorKey;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeKey;
  32 import org.opendaylight.yangtools.yang.binding.DataObject;
  33 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  34 import org.slf4j.Logger;
  35 import org.slf4j.LoggerFactory;
  36
  37 public abstract class InventoryDataServiceUtil {
  38     private final static Logger LOG = LoggerFactory.getLogger(InventoryDataServiceUtil.class);
  39
  40     public final static String OF_URI_PREFIX = "openflow:";
  41     /*
  42      * Get an InstanceIdentifier for the Nodes class that is the root of the
  43      * inventory tree We use this alot, so its worth keeping around
  44      */
  45     private static InstanceIdentifier<Nodes> nodesIdentifier = InstanceIdentifier.create(Nodes.class);
  46
  47     public static Nodes checkForNodes() {
  48         Nodes nodes = null;
  49         LOG.error("Before Nodes - nodes: " + nodes);
  50         try {
  51             nodes = getDataObject(OFSessionUtil.getSessionManager().getDataBroker().newReadOnlyTransaction(), nodesIdentifier);
  52         } catch (Exception e) {
  53             LOG.error(
  54                     "Caught exception from OFSessionUtil.getSessionManager().getDataBroker().newReadWriteTransaction()",
  55                     e);
  56         }
  57         LOG.error("After Nodes- nodes: " + nodes);
  58         return nodes;
  59     }
  60
  61     public static List<Node> readAllNodes() {
  62         Nodes nodes = getDataObject(OFSessionUtil.getSessionManager().getDataBroker().newReadOnlyTransaction(), nodesIdentifier);
  63         return nodes.getNode();
  64     }
  65
  66     public static Node readNode(InstanceIdentifier<Node> instance) {
  67         return (Node) getDataObject(OFSessionUtil.getSessionManager().getDataBroker().newReadOnlyTransaction(), instance);
  68     }
  69
  70     public static void putNodeConnector(InstanceIdentifier<Node> instance, NodeConnector nodeConnector) {
  71         ReadWriteTransaction transaction = OFSessionUtil.getSessionManager().getDataBroker().newReadWriteTransaction();
  72         InstanceIdentifier<NodeConnector> nodeConnectorID = instance.child(NodeConnector.class, nodeConnector.getKey());
  73         transaction.merge(LogicalDatastoreType.OPERATIONAL, nodeConnectorID, nodeConnector);
  74         transaction.submit();
  75     }
  76
  77     public static void putNodeConnector(NodeKey nodeKey, NodeConnector nodeConnector) {
  78         InstanceIdentifier<Node> instance = nodeKeyToInstanceIdentifier(nodeKey);
  79         putNodeConnector(instance, nodeConnector);
  80     }
  81
  82     public static void putNodeConnector(NodeId nodeId, NodeConnector nodeConnector) {
  83         putNodeConnector(new NodeKey(nodeId), nodeConnector);
  84     }
  85
  86     public static InstanceIdentifier<Node> identifierFromDatapathId(BigInteger datapathId) {
  87         NodeKey nodeKey = nodeKeyFromDatapathId(datapathId);
  88         return InstanceIdentifier.builder(Nodes.class).child(Node.class, nodeKey).toInstance();
  89     }
  90
  91     public static NodeKey nodeKeyFromDatapathId(BigInteger datapathId) {
  92         return new NodeKey(nodeIdFromDatapathId(datapathId));
  93     }
  94
  95     public static NodeUpdatedBuilder nodeUpdatedBuilderFromDataPathId(BigInteger datapathId) {
  96         NodeUpdatedBuilder builder = new NodeUpdatedBuilder();
  97         builder.setId(nodeIdFromDatapathId(datapathId));
  98         builder.setNodeRef(nodeRefFromNodeKey(new NodeKey(builder.getId())));
  99         return builder;
 100     }
 101
 102     public static NodeId nodeIdFromDatapathId(BigInteger datapathId) {
 103         // FIXME: Convert to textual representation of datapathID
 104         String current = datapathId.toString();
 105         return new NodeId(OF_URI_PREFIX + current);
 106     }
 107
 108     public static BigInteger dataPathIdFromNodeId(NodeId nodeId) {
 109         String dpids = nodeId.getValue().replace(OF_URI_PREFIX, "");
 110         BigInteger dpid = new BigInteger(dpids);
 111         return dpid;
 112     }
 113
 114
 115     public static NodeRef nodeRefFromNodeKey(NodeKey nodeKey) {
 116         return new NodeRef(nodeKeyToInstanceIdentifier(nodeKey));
 117     }
 118
 119     public static InstanceIdentifier<Node> nodeKeyToInstanceIdentifier(NodeKey nodeKey) {
 120         return InstanceIdentifier.builder(Nodes.class).child(Node.class, nodeKey).toInstance();
 121     }
 122
 123     public static NodeConnectorId nodeConnectorIdfromDatapathPortNo(BigInteger datapathid, Long portNo,
 124                                                                     OpenflowVersion ofVersion) {
 125         String logicalName = OpenflowPortsUtil.getPortLogicalName(ofVersion, portNo);
 126         return new NodeConnectorId(OF_URI_PREFIX + datapathid + ":" + (logicalName == null ? portNo : logicalName));
 127     }
 128
 129     public static Long portNumberfromNodeConnectorId(OpenflowVersion ofVersion, NodeConnectorId ncId) {
 130         return portNumberfromNodeConnectorId(ofVersion, ncId.getValue());
 131     }
 132
 133     public static Long portNumberfromNodeConnectorId(OpenflowVersion ofVersion, String ncId) {
 134         String[] split = ncId.split(":");
 135
 136         // It can happen that token length will be just 1 i.e 2 or CONTROLLER
 137         // If the length is just one then this cannot be the new MD-SAL style node connector Id which
 138         // is of the form openflow:1:3.
 139
 140         String portNoString = split[split.length - 1];
 141         Long portNo = OpenflowPortsUtil.getPortFromLogicalName(ofVersion, portNoString);
 142         return portNo;
 143     }
 144
 145
 146     public static NodeConnectorRef nodeConnectorRefFromDatapathIdPortno(BigInteger datapathId, Long portNo, OpenflowVersion ofVersion) {
 147         return new NodeConnectorRef(nodeConnectorInstanceIdentifierFromDatapathIdPortno(datapathId, portNo, ofVersion));
 148     }
 149
 150     public static InstanceIdentifier<NodeConnector> nodeConnectorInstanceIdentifierFromDatapathIdPortno(
 151             BigInteger datapathId, Long portNo, OpenflowVersion ofVersion) {
 152         NodeId nodeId = nodeIdFromDatapathId(datapathId);
 153         NodeConnectorId nodeConnectorId = nodeConnectorIdfromDatapathPortNo(datapathId, portNo, ofVersion);
 154         return InstanceIdentifier.builder(Nodes.class) //
 155                 .child(Node.class, new NodeKey(nodeId)) //
 156                 .child(NodeConnector.class, new NodeConnectorKey(nodeConnectorId)).toInstance();
 157     }
 158
 159     public static NodeConnectorUpdatedBuilder nodeConnectorUpdatedBuilderFromDatapathIdPortNo(BigInteger datapathId,
 160                                                                                               Long portNo, OpenflowVersion ofVersion) {
 161         NodeConnectorUpdatedBuilder builder = new NodeConnectorUpdatedBuilder();
 162         builder.setId(InventoryDataServiceUtil.nodeConnectorIdfromDatapathPortNo(datapathId, portNo, ofVersion));
 163         builder.setNodeConnectorRef(InventoryDataServiceUtil.nodeConnectorRefFromDatapathIdPortno(datapathId, portNo, ofVersion));
 164         return builder;
 165     }
 166
 167     public static NodeConnectorBuilder nodeConnectorBuilderFromDatapathIdPortNo(BigInteger datapathId,
 168                                                                                 Long portNo, OpenflowVersion ofVersion) {
 169         NodeConnectorBuilder builder = new NodeConnectorBuilder();
 170         builder.setId(InventoryDataServiceUtil.nodeConnectorIdfromDatapathPortNo(datapathId, portNo, ofVersion));
 171         return builder;
 172     }
 173
 174     /**
 175      * @param dataPathId
 176      * @return string of size 16, padded with '0'
 177      */
 178     public static String bigIntegerToPaddedHex(BigInteger dataPathId) {
 179         return StringUtils.leftPad(dataPathId.toString(16), 16, "0");
 180     }
 181
 182     //TODO : create new module openflowplugin-util, move there this method along with TestProviderTransactionUtil#getDataObject
 183     private static <T extends DataObject> T getDataObject(ReadTransaction readOnlyTransaction, InstanceIdentifier<T> identifier) {
 184         Optional<T> optionalData = null;
 185         try {
 186             optionalData = readOnlyTransaction.read(LogicalDatastoreType.OPERATIONAL, identifier).get();
 187             if (optionalData.isPresent()) {
 188                 return optionalData.get();
 189             }
 190         } catch (ExecutionException | InterruptedException e) {
 191             LOG.error("Read transaction for identifier {} failed.", identifier, e);
 192         }
 193         return null;
 194     }
 195
 196 }