/**
* 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;
}
/**
* 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;
}