/**
* TODO
*
* @param virtualNetwork TODO
* @param unmappedVirtualLinks TODO
* @param userVnPnMapping TODO
* @param physicalPaths TODO
* @throws VNMappingException
*/
public void virtualNetworkMapping(
VirtualNetwork virtualNetwork,
List<VirtualLink> unmappedVirtualLinks,
UserVnPnMapping userVnPnMapping,
List<PhysicalPath> physicalPaths)
throws VNMappingException {
UserId userId = virtualNetwork.getUserId();
List<VirtualLink> virtualLinks = virtualNetwork.getVirtualLinks().getVirtualLink();
List<VnPnMappingResult> vnPnMappingResults = userVnPnMapping.getVnPnMappingResult();
PhysicalPath physicalPath;
VirtualLink newVirtualLink;
VnPnMappingResult vnPnMappingResult;
int i = virtualLinks.size() - unmappedVirtualLinks.size();
for (VirtualLink virtualLink : unmappedVirtualLinks) {
physicalPath =
virtualLinkMapping(virtualNetwork.getNetworkId(), virtualLink, userVnPnMapping);
if (null == physicalPath) {
// If mapping failed, reset the user physical resources.
pnResourcesTracker.resetResource(userId);
throw new VNMappingException(
"Failed mapping for the virtual link "
+ virtualLink.getLinkId().getValue()
+ " in the virtual network "
+ virtualNetwork.getNetworkId().getValue());
}
// Keep physical resource.
pnResourcesTracker.addPhysicalPath(userId, physicalPath);
physicalPaths.add(physicalPath);
newVirtualLink =
new VirtualLinkBuilder(virtualLink)
.setMetric(physicalPath.getMetric())
.setDelay(physicalPath.getDelay())
.build();
virtualLinks.set(i++, newVirtualLink);
vnPnMappingResult =
new VnPnMappingResultBuilder()
.setVirtualResourceId(new VirtualResourceId(UUID.randomUUID().toString()))
.setVirtualResourceType(VirtualResourceInstance.VirtualResourceType.Vlink)
.setVirtualResourceEntityId(
new VirtualResourceEntityId(virtualLink.getLinkId().getValue()))
.setPhysicalResourceId(new PhysicalResourceId(UUID.randomUUID().toString()))
.setPhysicalResourceType(PhysicalResourceInstance.PhysicalResourceType.Path)
.setPhysicalResourceEntityId(
new PhysicalResourceEntityId(physicalPath.getPathId().getValue()))
.build();
vnPnMappingResults.add(vnPnMappingResult);
}
return;
}
@org.junit.Test
public void testGetVirtualLink() throws Exception {
when(virtualLink.getSrcNodeId()).thenReturn(srcVirtualNodeId);
when(virtualLink.getDestNodeId()).thenReturn(destVirtualNodeId);
Assert.assertEquals(
intentResolverUtils.getVirtualLink(virtualLinkList, srcVirtualNodeId, destVirtualNodeId),
virtualLink);
}
/**
* TODO
*
* @param virtualNetworkId TODO
* @param virtualLink TODO
* @param userVnPnMapping TODO
* @return TODO
*/
private PhysicalPath virtualLinkMapping(
VirtualNetworkId virtualNetworkId, VirtualLink virtualLink, UserVnPnMapping userVnPnMapping)
throws VNMappingException {
List<VnPnMappingResult> vnPnMappingResults = userVnPnMapping.getVnPnMappingResult();
VnPnMappingResult vnPnMappingResult =
VNMappingUnitUtils.getVnPnMappingResult(
vnPnMappingResults, new VirtualResourceEntityId(virtualLink.getSrcNodeId().getValue()));
if (null == vnPnMappingResult) {
throw new VNMappingException(
"Can not get the vn-pn mapping result for "
+ "the virtual node "
+ virtualLink.getSrcNodeId().getValue());
}
PhysicalNodeId source =
new PhysicalNodeId(vnPnMappingResult.getPhysicalResourceEntityId().getValue());
vnPnMappingResult =
VNMappingUnitUtils.getVnPnMappingResult(
vnPnMappingResults,
new VirtualResourceEntityId(virtualLink.getDestNodeId().getValue()));
if (null == vnPnMappingResult) {
throw new VNMappingException(
"Can not get the vn-pn mapping result for "
+ "the virtual node "
+ virtualLink.getDestNodeId().getValue());
}
PhysicalNodeId target =
new PhysicalNodeId(vnPnMappingResult.getPhysicalResourceEntityId().getValue());
if (source.equals(target)) {
PhysicalPath physicalPath =
new PhysicalPathBuilder()
.setPathId(new PhysicalPathId(UUID.randomUUID().toString()))
.setPhysicalLink(
new ArrayList<
org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.generic
.physical.network.rev151010.physical.path.instance.PhysicalLink>(0))
.setMetric(0L)
.setBandwidth(virtualLink.getBandwidth())
.setDelay(0L)
.build();
return physicalPath;
}
PhysicalPath physicalPath;
if (0 == virtualLink.getBandwidth()) {
physicalPath = pnComputationUnit.computePath(source, target);
} else {
physicalPath = pnComputationUnit.computePath(source, target, virtualLink.getBandwidth());
}
return physicalPath;
}
/**
* 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;
}
/**
* TODO
*
* @param virtualNetwork TODO
* @param userVnPnMapping TODO
* @param physicalPaths TODO
*/
public void virtualNetworkMapping(
VirtualNetwork virtualNetwork,
UserVnPnMapping userVnPnMapping,
List<PhysicalPath> physicalPaths)
throws VNMappingException {
ReadOnlyTransaction readOnlyTransaction = dataBroker.newReadOnlyTransaction();
InstanceIdentifier<PhysicalNodes> physicalNodesIid =
InstanceIdentifier.builder(PhysicalNetwork.class).child(PhysicalNodes.class).build();
Optional<PhysicalNodes> result;
try {
result = readOnlyTransaction.read(LogicalDatastoreType.OPERATIONAL, physicalNodesIid).get();
} catch (InterruptedException exception) {
throw new VNMappingException("Can not read the physical nodes.");
} catch (ExecutionException exception) {
throw new VNMappingException("Can not read the physical nodes.");
}
if (!result.isPresent()) {
throw new VNMappingException(
"Failed virtual network mapping caused by " + "absent underlying network topology.");
}
PhysicalNodes physicalNodes = result.get();
List<PhysicalNode> physicalNodeList = physicalNodes.getPhysicalNode();
UserId userId = virtualNetwork.getUserId();
List<VnPnMappingResult> vnPnMappingResults = userVnPnMapping.getVnPnMappingResult();
List<VirtualNode> virtualNodes = virtualNetwork.getVirtualNodes().getVirtualNode();
List<VirtualPort> virtualPorts;
PhysicalNode physicalNode;
PhysicalPort physicalPort;
VnPnMappingResult vnPnMappingResult;
for (VirtualNode virtualNode : virtualNodes) {
physicalNode =
virtualNodeMapping(virtualNetwork.getNetworkId(), virtualNode, physicalNodeList);
if (null == physicalNode) {
// If mapping failed, reset the user physical resources.
pnResourcesTracker.resetResource(userId);
throw new VNMappingException(
"Failed mapping for the virtual node "
+ virtualNode.getNodeId().getValue()
+ " in the virtual network "
+ virtualNetwork.getNetworkId().getValue());
}
// Keep physical resource.
pnResourcesTracker.addPhysicalNode(userId, physicalNode);
virtualPorts = virtualNode.getVirtualPort();
for (VirtualPort virtualPort : virtualPorts) {
if (VirtualPort.PortType.External == virtualPort.getPortType()) {
physicalPort =
virtualPortMapping(
virtualNetwork.getNetworkId(),
virtualNode.getNodeId(),
virtualPort,
physicalNode);
if (null == physicalPort) {
// If mapping failed, reset the user physical resources.
pnResourcesTracker.resetResource(userId);
throw new VNMappingException(
"Failed mapping for the virtual port "
+ virtualPort.getPortId().getValue()
+ " of the virtual node "
+ virtualNode.getNodeId().getValue()
+ " in the virtual network "
+ virtualNetwork.getNetworkId().getValue());
}
// Keep physical resource.
pnResourcesTracker.addPhysicalPort(userId, physicalPort);
vnPnMappingResult =
new VnPnMappingResultBuilder()
.setVirtualResourceId(new VirtualResourceId(UUID.randomUUID().toString()))
.setVirtualResourceType(VirtualResourceInstance.VirtualResourceType.Vport)
.setVirtualResourceEntityId(
new VirtualResourceEntityId(virtualPort.getPortId().getValue()))
.setParentVirtualResourceEntityId(
new VirtualResourceEntityId(virtualNode.getNodeId().getValue()))
.setPhysicalResourceId(new PhysicalResourceId(UUID.randomUUID().toString()))
.setPhysicalResourceType(PhysicalResourceInstance.PhysicalResourceType.Port)
.setPhysicalResourceEntityId(
new PhysicalResourceEntityId(physicalPort.getPortId().getValue()))
.setParentPhysicalResourceEntityId(
new PhysicalResourceEntityId(physicalNode.getNodeId().getValue()))
.build();
vnPnMappingResults.add(vnPnMappingResult);
}
}
vnPnMappingResult =
new VnPnMappingResultBuilder()
.setVirtualResourceId(new VirtualResourceId(UUID.randomUUID().toString()))
.setVirtualResourceType(VirtualResourceInstance.VirtualResourceType.Vnode)
.setVirtualResourceEntityId(
new VirtualResourceEntityId(virtualNode.getNodeId().getValue()))
.setPhysicalResourceId(new PhysicalResourceId(UUID.randomUUID().toString()))
.setPhysicalResourceType(PhysicalResourceInstance.PhysicalResourceType.Node)
.setPhysicalResourceEntityId(
new PhysicalResourceEntityId(physicalNode.getNodeId().getValue()))
.build();
vnPnMappingResults.add(vnPnMappingResult);
}
List<VirtualLink> virtualLinks = virtualNetwork.getVirtualLinks().getVirtualLink();
List<VirtualLink> newVirtualLinks = new ArrayList<VirtualLink>(virtualLinks.size());
PhysicalPath physicalPath;
VirtualLink newVirtualLink;
for (VirtualLink virtualLink : virtualLinks) {
physicalPath =
virtualLinkMapping(virtualNetwork.getNetworkId(), virtualLink, userVnPnMapping);
if (null == physicalPath) {
// If mapping failed, reset the user physical resources.
pnResourcesTracker.resetResource(userId);
throw new VNMappingException(
"Failed mapping for the virtual link "
+ virtualLink.getLinkId().getValue()
+ " in the virtual network "
+ virtualNetwork.getNetworkId().getValue());
}
// Keep physical resource.
pnResourcesTracker.addPhysicalPath(userId, physicalPath);
physicalPaths.add(physicalPath);
newVirtualLink =
new VirtualLinkBuilder(virtualLink)
.setMetric(physicalPath.getMetric())
.setDelay(physicalPath.getDelay())
.build();
newVirtualLinks.add(newVirtualLink);
vnPnMappingResult =
new VnPnMappingResultBuilder()
.setVirtualResourceId(new VirtualResourceId(UUID.randomUUID().toString()))
.setVirtualResourceType(VirtualResourceInstance.VirtualResourceType.Vlink)
.setVirtualResourceEntityId(
new VirtualResourceEntityId(virtualLink.getLinkId().getValue()))
.setPhysicalResourceId(new PhysicalResourceId(UUID.randomUUID().toString()))
.setPhysicalResourceType(PhysicalResourceInstance.PhysicalResourceType.Path)
.setPhysicalResourceEntityId(
new PhysicalResourceEntityId(physicalPath.getPathId().getValue()))
.build();
vnPnMappingResults.add(vnPnMappingResult);
}
virtualLinks.clear();
virtualLinks.addAll(newVirtualLinks);
return;
}