ITopologyService.java

package net.floodlightcontroller.topology;

import java.util.Set;

import net.floodlightcontroller.core.IOFSwitch;
import net.floodlightcontroller.core.module.IFloodlightService;

public interface ITopologyService extends IFloodlightService  {
    /**
     * Query to determine if the specified switch id and port tuple are
     * connected to another switch or not.  If so, this means the link
     * is passing LLDPs properly between two OpenFlow switches.
     * @param idPort
     * @return
     */
    public boolean isInternal(SwitchPortTuple idPort);

    public long getSwitchClusterId(long switchId);
    
    /**
     * Retrieves a set of all the switches in the same cluster as sw.
     * A cluster is a set of switches that are directly or indirectly
     * connected via Openflow switches that use the same controller
     * (not necessarily the same controller instance but any controller
     * instance in a group sharing the same network database).
     * @param sw The switch whose cluster we're obtaining
     * @return Set of switches in the cluster
     */
    public Set<IOFSwitch> getSwitchesInCluster(IOFSwitch sw);
    
    /**
     * Queries whether two switches are in the same cluster.
     * @param switch1
     * @param switch2
     * @return true if the switches are in the same cluster
     */
    public boolean inSameCluster(IOFSwitch switch1, IOFSwitch switch2);

    
    public void addListener(ITopologyListener listener);
    
    public boolean isIncomingBroadcastAllowedOnSwitchPort(IOFSwitch sw, short portId);
}