/**
* This method adds to virtual model all necessary information to store a virtual link: 1) Builds
* a source and a sink virtual interface. 2) Links virtual interfaces to virtual devices (source
* and sink). 3) Links virtual link with physical link.
*
* @param virtualPath
* @param sourceId
* @param sinkId
* @throws ResourceNotFoundException
*/
private void addVirtualLink(
org.opennaas.extensions.network.model.topology.Path virtualPath, int sourceId, int sinkId)
throws ResourceNotFoundException {
VirtualInterface vIfaceSource = new VirtualInterface();
VirtualInterface vIfaceSink = new VirtualInterface();
VirtualDevice sourceDevice =
(VirtualDevice)
NetworkModelHelper.getDeviceByName(mappingNetworkResult, String.valueOf(sourceId));
VirtualDevice sinkDevice =
(VirtualDevice)
NetworkModelHelper.getDeviceByName(mappingNetworkResult, String.valueOf(sinkId));
vIfaceSource.setDevice(sourceDevice);
vIfaceSink.setDevice(sinkDevice);
VirtualLink vlink = new VirtualLink();
String sourcePhyDevice = sourceDevice.getImplementedBy();
String sinkPhyDevice = sinkDevice.getImplementedBy();
List<Link> links =
NetworkModelHelper.getAllLinksBetweenTwoDevices(
(NetworkModel) physicalNetworkModel, sourcePhyDevice, sinkPhyDevice);
if (links.isEmpty())
throw new ResourceNotFoundException(
"No physical links between physical devices "
+ sourcePhyDevice
+ " and "
+ sinkPhyDevice);
vlink.setImplementedBy(links.get(0).getName());
vlink.setSource(vIfaceSource);
vlink.setSink(vIfaceSink);
virtualPath.getPathSegments().add(vlink);
mappingNetworkResult.getNetworkElements().add(vlink);
}
private void parseVirtualLinks() throws ResourceNotFoundException {
ArrayList<ArrayList<VNTLinkMappingCell>> resultLinks = mappingResult.getVNTLinkMappingArray();
for (int i = 0; i < (int) resultLinks.size(); i++) {
for (int j = 0; j < (int) resultLinks.get(i).size(); j++) {
if (resultLinks.get(i).get(j).getIsMapped() == 1) {
// all this block constructs the virtual network
Path path;
if (i < j) {
resultLinks
.get(i)
.get(j)
.getResultPath()
.setNode1Id(Integer.valueOf(mappingResult.getVnodes().get(i).toString()));
resultLinks
.get(i)
.get(j)
.getResultPath()
.setNode2Id(Integer.valueOf(mappingResult.getVnodes().get(j).toString()));
path = resultLinks.get(i).get(j).getResultPath();
} else {
resultLinks
.get(j)
.get(i)
.getResultPath()
.setNode1Id(Integer.valueOf(mappingResult.getVnodes().get(j).toString()));
resultLinks
.get(j)
.get(i)
.getResultPath()
.setNode2Id(Integer.valueOf(mappingResult.getVnodes().get(i).toString()));
path = resultLinks.get(j).get(i).getResultPath();
}
// binds to physical path
org.opennaas.extensions.network.model.topology.Path virtualPath =
new org.opennaas.extensions.network.model.topology.Path();
String sourceId = String.valueOf(Math.min(i, j));
String sinkId = String.valueOf(Math.max(i, j));
virtualPath.setName(sourceId + "-" + sinkId);
for (int k = 0; k < path.getLinks().size(); k++) {
int phySourceId = path.getLinks().get(k).getNode1Id();
int phySinkId = path.getLinks().get(k).getNode2Id();
int vSourceId = getVirtualDeviceIdByPhysicalId(phySourceId);
int vSinkId = getVirtualDeviceIdByPhysicalId(phySinkId);
if (!isVirtualNodeAlreadyAdded(vSourceId)) addVirtualDeviceToModel(phySourceId);
if (!isVirtualNodeAlreadyAdded(vSinkId)) addVirtualDeviceToModel(phySinkId);
addVirtualLink(virtualPath, vSourceId, vSinkId);
}
mappingNetworkResult.getNetworkElements().add(virtualPath);
}
}
}
}
