Esempio n. 1
0
  /**
   * Resolve the user's operation intent and perform the monitoring for the condition that it
   * contains. Generate the intent mapping results for the operation in the data store, which denote
   * how to implement it on the physical network.
   *
   * @param user The user for the operation.
   * @param operation The operation to be resolved.
   * @param virtualNetwork The virtual network for the user.
   * @param userIntentVnMapping The intent-vn mapping for the user.
   */
  protected void resolveOperation(
      User user,
      Operation operation,
      VirtualNetwork virtualNetwork,
      UserIntentVnMapping userIntentVnMapping)
      throws IntentResolutionException {
    DataObject dataObject =
        IntentResolverUtils.getObject(user.getObjects(), operation.getTargetObject());

    if (null == dataObject) {
      throw new IntentResolutionException(
          "The target object of the operation "
              + operation.getOperationId().getValue()
              + " does not exist.");
    }

    List<Operation> operations = user.getOperations().getOperation();
    List<Operation> sameTargetObjectOperations =
        IntentResolverUtils.getSameTargetObjectOperations(operations, operation);

    if (!sameTargetObjectOperations.isEmpty()) {
      List<Operation> greaterPriorityOperations = new LinkedList<Operation>();
      List<Operation> equalPriorityOperations = new LinkedList<Operation>();

      IntentResolverUtils.getGreaterAndEqualPriorityOperations(
          sameTargetObjectOperations,
          operation,
          greaterPriorityOperations,
          equalPriorityOperations);

      if (greaterPriorityOperations.isEmpty()) {
        if (!equalPriorityOperations.isEmpty()) {
          Operation conflictingOperation =
              IntentResolverUtils.getConflictingOperation(equalPriorityOperations, operation);

          if (null != conflictingOperation) {
            throw new IntentResolutionException(
                "The operation "
                    + operation.getOperationId().getValue()
                    + " conflicts with the one "
                    + conflictingOperation.getOperationId().getValue()
                    + ".");
          }
        }
      } else {
        return;
      }
    }

    List<ConditionSegment> conditionSegments = operation.getConditionSegment();

    if (null != conditionSegments && !conditionSegments.isEmpty()) {
      // TODO

      return;
    }

    List<Action> actions = operation.getAction();

    if (null != actions && !actions.isEmpty()) {
      if (dataObject instanceof Node) {
        actionResolver.resolveActions(
            user, operation, (Node) dataObject, virtualNetwork, userIntentVnMapping);
      } else if (dataObject instanceof Connection) {
        actionResolver.resolveActions(
            user, operation, (Connection) dataObject, virtualNetwork, userIntentVnMapping);
      } else {
        actionResolver.resolveActions(
            user, operation, (Flow) dataObject, virtualNetwork, userIntentVnMapping);
      }
    }

    return;
  }
Esempio n. 2
0
  /**
   * TODO
   *
   * @param user TODO
   * @param operation TODO
   * @param flow TODO
   * @param goThroughAction TODO
   * @param virtualNetwork TODO
   * @param userIntentVnMapping TODO
   */
  private void resolveGoThroughAction(
      User user,
      Operation operation,
      Flow flow,
      Action goThroughAction,
      VirtualNetwork virtualNetwork,
      UserIntentVnMapping userIntentVnMapping)
      throws IntentResolutionException {
    List<StringValue> parameterValues = goThroughAction.getParameterValues().getStringValue();

    if (!parameterValues.isEmpty()) {
      List<Node> nodes = user.getObjects().getNode();

      if (null == nodes || nodes.isEmpty()) {
        throw new IntentResolutionException(
            "The nodes specified by the action parameters "
                + "of the operation "
                + operation.getOperationId().getValue()
                + " does not exist.");
      }

      NodeId nodeId = new NodeId(parameterValues.get(0).getValue());
      Node node = IntentResolverUtils.getNode(nodes, nodeId);

      if (null == node) {
        throw new IntentResolutionException(
            "The node "
                + nodeId.getValue()
                + " specified by the"
                + " action parameter of the operation "
                + operation.getOperationId().getValue()
                + " does not exist.");
      }

      List<VirtualNode> virtualNodes = virtualNetwork.getVirtualNodes().getVirtualNode();
      List<VirtualLink> virtualLinks = virtualNetwork.getVirtualLinks().getVirtualLink();
      List<VirtualPath> virtualPaths = virtualNetwork.getVirtualPaths().getVirtualPath();
      List<IntentVnMappingResult> intentVnMappingResults =
          userIntentVnMapping.getIntentVnMappingResult();
      List<VirtualResource> virtualResources = null;

      if (node.getNodeType().equals(new NodeType("chain-group"))) {
        if (IntentResolverUtils.checkAllLayer2OperatingMode(node.getSubNode(), nodes)) {
          // TODO
        } else if (IntentResolverUtils.checkAllLayer3OperatingMode(node.getSubNode(), nodes)) {
          IntentVnMappingResult intentVnMappingResult =
              IntentResolverUtils.getIntentVnMappingResult(
                  intentVnMappingResults, new IntentId(node.getNodeId().getValue()));

          if (null == intentVnMappingResult) {
            throw new IntentResolutionException(
                "Can not get the intent-vn mapping result "
                    + "for the node "
                    + node.getNodeId().getValue()
                    + ".");
          }

          VirtualNode sourceVirtualNode =
              IntentResolverUtils.getSourceVirtualRouterOfFlow(
                  virtualNodes, flow, nodes, intentVnMappingResults);

          if (null == sourceVirtualNode) {
            throw new IntentResolutionException(
                "Can not get the source virtual node "
                    + "of the flow "
                    + flow.getFlowId().getValue()
                    + ".");
          }

          VirtualNode destinationVirtualNode =
              IntentResolverUtils.getDestinationVirtualRouterOfFlow(
                  virtualNodes, flow, nodes, intentVnMappingResults);

          if (null == destinationVirtualNode) {
            throw new IntentResolutionException(
                "Can not get the destination virtual node "
                    + "of the flow "
                    + flow.getFlowId().getValue()
                    + ".");
          }

          List<VirtualResource> virtualResources1 =
              IntentResolverUtils.sortVirtualResources(intentVnMappingResult.getVirtualResource());

          VirtualNodeId virtualNodeId =
              new VirtualNodeId(
                  virtualResources1.get(0).getParentVirtualResourceEntityId().getValue());
          VirtualNode virtualNode = IntentResolverUtils.getVirtualNode(virtualNodes, virtualNodeId);

          if (null == virtualNode) {
            throw new IntentResolutionException(
                "Can not get the virtual node"
                    + " created for the first sub-node of the node "
                    + intentVnMappingResult.getIntentId().getValue()
                    + ".");
          }

          virtualNodeId =
              new VirtualNodeId(
                  virtualResources1
                      .get(virtualResources1.size() - 1)
                      .getParentVirtualResourceEntityId()
                      .getValue());
          VirtualNode virtualNode1 =
              IntentResolverUtils.getVirtualNode(virtualNodes, virtualNodeId);

          if (null == virtualNode1) {
            throw new IntentResolutionException(
                "Can not get the virtual node"
                    + " created for the last sub-node of the node "
                    + intentVnMappingResult.getIntentId().getValue()
                    + ".");
          }

          virtualResources = new ArrayList<VirtualResource>(virtualResources1.size() + 2);
          VirtualLink virtualLink =
              IntentResolverUtils.getVirtualLink(
                  virtualLinks, sourceVirtualNode.getNodeId(), virtualNode.getNodeId());

          if (null == virtualLink) {
            VirtualPort virtualPort =
                new VirtualPortBuilder()
                    .setPortId(new VirtualPortId(UUID.randomUUID().toString()))
                    .setPortType(VirtualPort.PortType.Internal)
                    .build();
            sourceVirtualNode.getVirtualPort().add(virtualPort);

            VirtualPort virtualPort1 =
                new VirtualPortBuilder()
                    .setPortId(new VirtualPortId(UUID.randomUUID().toString()))
                    .setPortType(VirtualPort.PortType.Internal)
                    .build();
            virtualNode.getVirtualPort().add(virtualPort1);

            virtualLink =
                new VirtualLinkBuilder()
                    .setLinkId(new VirtualLinkId(UUID.randomUUID().toString()))
                    .setSrcNodeId(virtualNode.getNodeId())
                    .setSrcPortId(virtualPort1.getPortId())
                    .setDestNodeId(sourceVirtualNode.getNodeId())
                    .setDestPortId(virtualPort.getPortId())
                    .setBandwidth(0L)
                    .build();
            virtualLinks.add(virtualLink);

            virtualLink =
                new VirtualLinkBuilder()
                    .setLinkId(new VirtualLinkId(UUID.randomUUID().toString()))
                    .setSrcNodeId(sourceVirtualNode.getNodeId())
                    .setSrcPortId(virtualPort.getPortId())
                    .setDestNodeId(virtualNode.getNodeId())
                    .setDestPortId(virtualPort1.getPortId())
                    .setBandwidth(0L)
                    .build();
            virtualLinks.add(virtualLink);
          }

          List<
                  org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.generic.virtual
                      .network.rev151010.virtual.path.instance.VirtualLink>
              virtualLinks1 =
                  new ArrayList<
                      org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.generic
                          .virtual.network.rev151010.virtual.path.instance.VirtualLink>(1);
          org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.generic.virtual.network
                  .rev151010.virtual.path.instance.VirtualLink
              virtualLink1 =
                  new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.generic
                          .virtual.network.rev151010.virtual.path.instance.VirtualLinkBuilder()
                      .setLinkId(virtualLink.getLinkId())
                      .setOrder(0L)
                      .build();
          virtualLinks1.add(virtualLink1);

          VirtualPath virtualPath =
              new VirtualPathBuilder()
                  .setPathId(new VirtualPathId(UUID.randomUUID().toString()))
                  .setVirtualLink(virtualLinks1)
                  .setBandwidth(0L)
                  .build();
          virtualPaths.add(virtualPath);

          VirtualResource virtualResource =
              new VirtualResourceBuilder()
                  .setVirtualResourceId(new VirtualResourceId(UUID.randomUUID().toString()))
                  .setVirtualResourceType(VirtualResource.VirtualResourceType.Vpath)
                  .setVirtualResourceEntityId(
                      new VirtualResourceEntityId(virtualPath.getPathId().getValue()))
                  .setOrder(0L)
                  .build();
          virtualResources.add(virtualResource);

          for (VirtualResource virtualResource1 : virtualResources1) {
            virtualResource =
                new VirtualResourceBuilder(virtualResource1)
                    .setVirtualResourceId(new VirtualResourceId(UUID.randomUUID().toString()))
                    .setOrder((long) virtualResources.size())
                    .build();
            virtualResources.add(virtualResource);
          }

          virtualLink =
              IntentResolverUtils.getVirtualLink(
                  virtualLinks, virtualNode1.getNodeId(), destinationVirtualNode.getNodeId());

          if (null == virtualLink) {
            VirtualPort virtualPort =
                new VirtualPortBuilder()
                    .setPortId(new VirtualPortId(UUID.randomUUID().toString()))
                    .setPortType(VirtualPort.PortType.Internal)
                    .build();
            virtualNode1.getVirtualPort().add(virtualPort);

            VirtualPort virtualPort1 =
                new VirtualPortBuilder()
                    .setPortId(new VirtualPortId(UUID.randomUUID().toString()))
                    .setPortType(VirtualPort.PortType.Internal)
                    .build();
            destinationVirtualNode.getVirtualPort().add(virtualPort1);

            virtualLink =
                new VirtualLinkBuilder()
                    .setLinkId(new VirtualLinkId(UUID.randomUUID().toString()))
                    .setSrcNodeId(destinationVirtualNode.getNodeId())
                    .setSrcPortId(virtualPort1.getPortId())
                    .setDestNodeId(virtualNode1.getNodeId())
                    .setDestPortId(virtualPort.getPortId())
                    .setBandwidth(0L)
                    .build();
            virtualLinks.add(virtualLink);

            virtualLink =
                new VirtualLinkBuilder()
                    .setLinkId(new VirtualLinkId(UUID.randomUUID().toString()))
                    .setSrcNodeId(virtualNode1.getNodeId())
                    .setSrcPortId(virtualPort.getPortId())
                    .setDestNodeId(destinationVirtualNode.getNodeId())
                    .setDestPortId(virtualPort1.getPortId())
                    .setBandwidth(0L)
                    .build();
            virtualLinks.add(virtualLink);
          }

          virtualLinks1 =
              new ArrayList<
                  org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.generic.virtual
                      .network.rev151010.virtual.path.instance.VirtualLink>(1);
          virtualLink1 =
              new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.generic.virtual
                      .network.rev151010.virtual.path.instance.VirtualLinkBuilder()
                  .setLinkId(virtualLink.getLinkId())
                  .setOrder(0L)
                  .build();
          virtualLinks1.add(virtualLink1);

          virtualPath =
              new VirtualPathBuilder()
                  .setPathId(new VirtualPathId(UUID.randomUUID().toString()))
                  .setVirtualLink(virtualLinks1)
                  .setBandwidth(0L)
                  .build();
          virtualPaths.add(virtualPath);

          virtualResource =
              new VirtualResourceBuilder()
                  .setVirtualResourceId(new VirtualResourceId(UUID.randomUUID().toString()))
                  .setVirtualResourceType(VirtualResource.VirtualResourceType.Vpath)
                  .setVirtualResourceEntityId(
                      new VirtualResourceEntityId(virtualPath.getPathId().getValue()))
                  .setOrder((long) virtualResources.size())
                  .build();
          virtualResources.add(virtualResource);
        } else {
          // TODO
        }
      } else {
        // TODO
      }

      IntentVnMappingResult intentVnMappingResult =
          new IntentVnMappingResultBuilder()
              .setIntentId(new IntentId(operation.getOperationId().getValue()))
              .setIntentType(IntentVnMappingResult.IntentType.Operation)
              .setVirtualResource(virtualResources)
              .build();

      intentVnMappingResults.add(intentVnMappingResult);
    }

    return;
  }