import net.floodlightcontroller.util.OFDPAUtils; //导入依赖的package包/类
@Override
public void switchActivated(DatapathId switchId) {
	IOFSwitch sw = switchService.getSwitch(switchId);
	if (sw == null) {
		log.warn("Switch {} was activated but had no switch object in the switch service. Perhaps it quickly disconnected", switchId);
		return;
	}
	if (OFDPAUtils.isOFDPASwitch(sw)) {
		sw.write(sw.getOFFactory().buildFlowDelete()
				.setTableId(TableId.ALL)
				.build()
				);
		sw.write(sw.getOFFactory().buildGroupDelete()
				.setGroup(OFGroup.ANY)
				.setGroupType(OFGroupType.ALL)
				.build()
				);
		sw.write(sw.getOFFactory().buildGroupDelete()
				.setGroup(OFGroup.ANY)
				.setGroupType(OFGroupType.INDIRECT)
				.build()
				);
		sw.write(sw.getOFFactory().buildBarrierRequest().build());
		
		List<OFPortModeTuple> portModes = new ArrayList<OFPortModeTuple>();
		for (OFPortDesc p : sw.getPorts()) {
			portModes.add(OFPortModeTuple.of(p.getPortNo(), OFPortMode.ACCESS));
		}
		if (log.isWarnEnabled()) {
			log.warn("For OF-DPA switch {}, initializing VLAN {} on ports {}", new Object[] { switchId, VlanVid.ZERO, portModes});
		}
		OFDPAUtils.addLearningSwitchPrereqs(sw, VlanVid.ZERO, portModes);
	}
}
 

import net.floodlightcontroller.util.OFDPAUtils; //导入依赖的package包/类
@Override
public void switchActivated(DatapathId switchId) {
	IOFSwitch sw = switchService.getSwitch(switchId);
	if (sw == null) {
		log.warn("Switch {} was activated but had no switch object in the switch service. Perhaps it quickly disconnected", switchId);
		return;
	}
	if (OFDPAUtils.isOFDPASwitch(sw)) {
		sw.write(sw.getOFFactory().buildFlowDelete()
				.setTableId(TableId.ALL)
				.build()
				);
		sw.write(sw.getOFFactory().buildGroupDelete()
				.setGroup(OFGroup.ANY)
				.setGroupType(OFGroupType.ALL)
				.build()
				);
		sw.write(sw.getOFFactory().buildGroupDelete()
				.setGroup(OFGroup.ANY)
				.setGroupType(OFGroupType.INDIRECT)
				.build()
				);
		sw.write(sw.getOFFactory().buildBarrierRequest().build());

		List<OFPortModeTuple> portModes = new ArrayList<OFPortModeTuple>();
		for (OFPortDesc p : sw.getPorts()) {
			portModes.add(OFPortModeTuple.of(p.getPortNo(), OFPortMode.ACCESS));
		}
		if (log.isWarnEnabled()) {
			log.warn("For OF-DPA switch {}, initializing VLAN {} on ports {}", new Object[] { switchId, VlanVid.ZERO, portModes});
		}
		OFDPAUtils.addLearningSwitchPrereqs(sw, VlanVid.ZERO, portModes);
	}
}