Java Route.getPath方法代码示例

import net.floodlightcontroller.routing.Route; //导入方法依赖的package包/类
public void removeMemberFromTheTree(AttachmentPoint ap) {

		/* Remove flow from edge switch */
		DatapathId dSWId = ap.getSw();
		IOFSwitch dSW = switchService.getSwitch(dSWId);
		HashSet<OFPort> nps;
		Route r = pathsForDestinations.get(ap.getSw().getLong());
		if (r == null)
			return;
		NodePortTuple from = null;
		List<NodePortTuple> path = r.getPath();
		ListIterator<NodePortTuple> it = path.listIterator(path.size());
		while (it.hasPrevious()) {
			from = it.previous();
			dSWId = from.getNodeId();
			dSW = switchService.getSwitch(dSWId);
			nps = memberPorts.get(dSWId.getLong());
			if (nps == null) {
				logger.info("RemoveMemberFromTheTree: unexpected null nps");
				return;
			}
			nps.remove(from.getPortId());
			if (nps.size() != 0) {
				sendOFGroupModDelMemberMsg(dSW, from.getPortId());
				/* switch has downstream member other than one removed*/
				break;
			}
			memberPorts.remove(dSWId.getLong());
			if (dSWId.getLong() == sourceAP.getSw().getLong())
				sendOFFlowModDropMulticastStream(dSW, false);
			else 
				sendOFFlowModDelForGroup(dSW);
			pushOFDeleteGroup(dSW);
			if (it.hasPrevious())
				from = it.previous();	
		}
		pathsForDestinations.remove(ap.getSw().getLong());
	}
 

import net.floodlightcontroller.routing.Route; //导入方法依赖的package包/类
private void AddFlowsDirectedToDevice(AttachmentPoint destAP, 
			IDevice destDevice, long bandwidth) {

		NodePortTuple to = null;
		DatapathId toNodeId = null;
		OFPort toOFPort = null;
		HashSet <OFPort> members = null;
		String pathStr = "SPT route added - [";
		int strLen = multicastGroup.srcAP.getSw().toString().length();
		Route r = routingService.getRoute(multicastGroup.srcAP.getSw(), multicastGroup.srcAP.getPort()
				,destAP.getSw(), destAP.getPort(), U64.ZERO);
//		logger.info("Group:"+this.multicastGroup.groupIP + " Route for: Src Datapath :"
//				+multicastGroup.srcAP.getSw().toString().substring(strLen-2)
//				+", port "+multicastGroup.srcAP.getPort().toString()
//				+" to Dst Datapath "+destAP.getSw().toString().substring(strLen-2)
//				+" port "+destAP.getPort().toString()+" ");
//		logger.info(r.toString());	
		pathsForDestinations.put(destAP.getSw().getLong(), r);
		List<NodePortTuple> path = r.getPath();
//		logger.info("Group:"+this.multicastGroup.groupIP+" Route path= "+path.toString());;
		ListIterator<NodePortTuple> it = path.listIterator(path.size());
		for (int i = path.size(); i > 0; i-=2) {
			to = it.previous();
			toNodeId = to.getNodeId();
			toOFPort = to.getPortId();
//			logger.info(" to = " + to.toString());
			members = memberPorts.get(toNodeId.getLong());
			if (members == null) {
				members = new HashSet<OFPort>();
				memberPorts.put(toNodeId.getLong(), members);
				members.add(toOFPort);
//				logger.info("Group:"+this.multicastGroup.groupIP+" sendOFGroupAddMsg: "
//				+ toNodeId.toString().substring(strLen-2)+" "+toOFPort.toString());
				pathStr += toNodeId.toString().substring(strLen-2) + ",";
				sendOFGroupAddMsg(toNodeId, toOFPort, bandwidth);
			} else {
				members.add(toOFPort);
				sendOFGroupModAddMemberMsg(toNodeId, toOFPort, bandwidth);
//				logger.info("Group:"+this.multicastGroup.groupIP+" sendOFGroupModAddMemberMsg: "
//				+ toNodeId.toString().substring(strLen-2)+" "+toOFPort.toString());
				pathStr += toNodeId.toString().substring(strLen-2) + "]";
				logger.info("Group:"+this.multicastGroup.groupIP + " SPT path added - "+ pathStr);
				return;
			}
			to = it.previous();				
		}
		logger.info("Group:"+this.multicastGroup.groupIP + " SPT path added - "+ pathStr);
	}
 

import net.floodlightcontroller.routing.Route; //导入方法依赖的package包/类
/**
 * ��������·��·����ȡԴĿ��������grouptable���bucket��Ȼ���·�OFGroupAdd��Ϣ����Ӧ������
 * @param firstRoute ����··��
 * @param secondRoute ����··��
 * @param isSrcSide Ϊtrueʱ��Ӧ·��·��Դ��Ͱ����Ϣ�·���������elseΪĿ�Ķ�
 * @author ZX Peng
 */
private void createGroupByRoute(Route firstRoute, Route secondRoute, boolean isSrcSide) {
	ArrayList<OFBucket> buckets = new ArrayList<OFBucket>(2);
	IOFSwitch sw;
	List<NodePortTuple> firstNptList = firstRoute.getPath();
	List<NodePortTuple> secondNptList = secondRoute.getPath();
	int firstIndex = 0, secondIndex = 0;
	if(isSrcSide == true) {
		firstIndex = 1;
		secondIndex = 1;
		sw = switchService.getSwitch(firstRoute.getId().getSrc());
	} else {
		firstIndex = firstNptList.size() - 2;
		secondIndex = secondNptList.size() - 2;
		sw = switchService.getSwitch(firstRoute.getId().getDst());
	}
	NodePortTuple firstWatchNpt =  firstNptList.get(firstIndex);
	NodePortTuple secondWatchNpt = secondNptList.get(secondIndex);
	
	buckets.add(sw.getOFFactory().buildBucket()
			.setWatchPort(firstWatchNpt.getPortId())
			.setWatchGroup(OFGroup.ZERO)
			.setActions(Collections.singletonList((OFAction) sw.getOFFactory().actions().buildOutput()
					.setMaxLen(0x0fFFffFF)
					.setPort(firstWatchNpt.getPortId())
					.build()))
					.build());
	buckets.add(sw.getOFFactory().buildBucket()
			.setWatchPort(secondWatchNpt.getPortId())
			.setWatchGroup(OFGroup.ZERO)
			.setActions(Collections.singletonList((OFAction) sw.getOFFactory().actions().buildOutput()
					.setMaxLen(0x0fFFffFF)
					.setPort(secondWatchNpt.getPortId())
					.build()))
					.build());
	
	//push OFGroupAdd message to the switch
	//TODO: group number has to be distinct from each other
	OFGroupAdd groupAdd = sw.getOFFactory().buildGroupAdd()
		    .setGroup(OFGroup.of(GROUP_NUM))
		    .setGroupType(OFGroupType.FF)
		    .setBuckets(buckets)
		    .build();
		 
	sw.write(groupAdd);
}