Java PortChangeEvent类代码示例

import net.floodlightcontroller.core.PortChangeEvent; //导入依赖的package包/类
/**
 * Handle a OFPortStatus delete message for the given port.
 * Updates the internal port maps/lists of this switch and returns
 * the PortChangeEvents caused by the delete. If the given port
 * exists as it, it will be deleted. If the name<->number for the
 * given port is inconsistent with the ports stored by this switch
 * the method will delete all ports with the number or name of the
 * given port.
 *
 * This method will increment error/warn counters and log
 *
 * @param delPort the port from the port status message that should
 * be deleted.
 * @return ordered collection of port changes applied to this switch
 */
private OrderedCollection<PortChangeEvent>
handlePortStatusDelete(OFPortDesc delPort) {
	OrderedCollection<PortChangeEvent> events =
			new LinkedHashSetWrapper<PortChangeEvent>();
	lock.writeLock().lock();
	try {
		Map<OFPort,OFPortDesc> newPortByNumber =
				new HashMap<OFPort, OFPortDesc>(portsByNumber);
		OFPortDesc prevPort =
				portsByNumber.get(delPort.getPortNo());
		if (prevPort == null) {
			// so such port. Do we have a port with the name?
			prevPort = portsByName.get(delPort.getName());
			if (prevPort != null) {
				newPortByNumber.remove(prevPort.getPortNo());
				events.add(new PortChangeEvent(prevPort,
						PortChangeType.DELETE));
			}
		} else if (prevPort.getName().equals(delPort.getName())) {
			// port exists with consistent name-number mapping
			newPortByNumber.remove(delPort.getPortNo());
			events.add(new PortChangeEvent(delPort,
					PortChangeType.DELETE));
		} else {
			// port with same number exists but its name differs. This
			// is weird. The best we can do is to delete the existing
			// port(s) that have delPort's name and number.
			newPortByNumber.remove(delPort.getPortNo());
			events.add(new PortChangeEvent(prevPort,
					PortChangeType.DELETE));
			// is there another port that has delPort's name?
			prevPort = portsByName.get(delPort.getName().toLowerCase());
			if (prevPort != null) {
				newPortByNumber.remove(prevPort.getPortNo());
				events.add(new PortChangeEvent(prevPort,
						PortChangeType.DELETE));
			}
		}
		updatePortsWithNewPortsByNumber(newPortByNumber);
		return events;
	} finally {
		lock.writeLock().unlock();
	}
}
 

import net.floodlightcontroller.core.PortChangeEvent; //导入依赖的package包/类
/**
 * Handle a OFPortStatus message, update the internal data structures
 * that store ports and return the list of OFChangeEvents.
 *
 * This method will increment error/warn counters and log
 *
 * @param ps
 * @return
 */
@SuppressFBWarnings(value="SF_SWITCH_FALLTHROUGH")
public OrderedCollection<PortChangeEvent> handlePortStatusMessage(OFPortStatus ps) {
	if (ps == null) {
		throw new NullPointerException("OFPortStatus message must " +
				"not be null");
	}
	lock.writeLock().lock();
	try {
		OFPortDesc port = ps.getDesc();
		OFPortReason reason = ps.getReason();
		if (reason == null) {
			throw new IllegalArgumentException("Unknown PortStatus " +
					"reason code " + ps.getReason());
		}

		if (log.isDebugEnabled()) {
			log.debug("Handling OFPortStatus: {} for {}",
					reason, String.format("%s (%d)", port.getName(), port.getPortNo().getPortNumber()));
		}

		if (reason == OFPortReason.DELETE)
			return handlePortStatusDelete(port);

		// We handle ADD and MODIFY the same way. Since OpenFlow
		// doesn't specify what uniquely identifies a port the
		// notion of ADD vs. MODIFY can also be hazy. So we just
		// compare the new port to the existing ones.
		Map<OFPort,OFPortDesc> newPortByNumber =
				new HashMap<OFPort, OFPortDesc>(portsByNumber);
		OrderedCollection<PortChangeEvent> events = getSinglePortChanges(port);
		for (PortChangeEvent e: events) {
			switch(e.type) {
			case DELETE:
				newPortByNumber.remove(e.port.getPortNo());
				break;
			case ADD:
				if (reason != OFPortReason.ADD) {
					// weird case
				}
				// fall through
			case DOWN:
			case OTHER_UPDATE:
			case UP:
				// update or add the port in the map
				newPortByNumber.put(e.port.getPortNo(), e.port);
				break;
			}
		}
		updatePortsWithNewPortsByNumber(newPortByNumber);
		return events;
	} finally {
		lock.writeLock().unlock();
	}

}
 

import net.floodlightcontroller.core.PortChangeEvent; //导入依赖的package包/类
@Override
public OrderedCollection<PortChangeEvent>
processOFPortStatus(OFPortStatus ps) {
	return portManager.handlePortStatusMessage(ps);
}
 

import net.floodlightcontroller.core.PortChangeEvent; //导入依赖的package包/类
/**
 * Test port status message handling while MASTER
 *
 */
@Test
public void testPortStatusMessageMaster() throws Exception {
	DatapathId dpid = featuresReply.getDatapathId();
	testInitialMoveToMasterWithRole();

	OFPortDesc portDesc = factory.buildPortDesc()
			.setName("Port1")
			.setPortNo(OFPort.of(1))
			.build();
	OFPortStatus.Builder portStatusBuilder = factory.buildPortStatus()
			.setDesc(portDesc);

	// The events we expect sw.handlePortStatus to return
	// We'll just use the same list for all valid OFPortReasons and add
	// arbitrary events for arbitrary ports that are not necessarily
	// related to the port status message. Our goal
	// here is not to return the correct set of events but the make sure
	// that a) sw.handlePortStatus is called
	//      b) the list of events sw.handlePortStatus returns is sent
	//         as IOFSwitchListener notifications.
	OrderedCollection<PortChangeEvent> events =
			new LinkedHashSetWrapper<PortChangeEvent>();
	OFPortDesc.Builder pb = factory.buildPortDesc();
	OFPortDesc p1 = pb.setName("eth1").setPortNo(OFPort.of(1)).build();
	OFPortDesc p2 = pb.setName("eth2").setPortNo(OFPort.of(2)).build();
	OFPortDesc p3 = pb.setName("eth3").setPortNo(OFPort.of(3)).build();
	OFPortDesc p4 = pb.setName("eth4").setPortNo(OFPort.of(4)).build();
	OFPortDesc p5 = pb.setName("eth5").setPortNo(OFPort.of(5)).build();


	events.add(new PortChangeEvent(p1, PortChangeType.ADD));
	events.add(new PortChangeEvent(p2, PortChangeType.DELETE));
	events.add(new PortChangeEvent(p3, PortChangeType.UP));
	events.add(new PortChangeEvent(p4, PortChangeType.DOWN));
	events.add(new PortChangeEvent(p5, PortChangeType.OTHER_UPDATE));


	for (OFPortReason reason: OFPortReason.values()) {
		OFPortStatus portStatus = portStatusBuilder.setReason(reason).build();

		reset(sw);
		expect(sw.getId()).andReturn(dpid).anyTimes();

		expect(sw.processOFPortStatus(portStatus)).andReturn(events).once();
		replay(sw);

		reset(switchManager);
		switchManager.notifyPortChanged(sw, p1, PortChangeType.ADD);
		switchManager.notifyPortChanged(sw, p2, PortChangeType.DELETE);
		switchManager.notifyPortChanged(sw, p3, PortChangeType.UP);
		switchManager.notifyPortChanged(sw, p4, PortChangeType.DOWN);
		switchManager.notifyPortChanged(sw, p5, PortChangeType.OTHER_UPDATE);
		replay(switchManager);

		switchHandler.processOFMessage(portStatus);

		verify(sw);
	}
}
 

import net.floodlightcontroller.core.PortChangeEvent; //导入依赖的package包/类
/**
 * Test port status message handling while MASTER
 *
 */
@Test
public void testPortStatusMessageMaster() throws Exception {
    DatapathId dpid = featuresReply.getDatapathId();
    testInitialMoveToMasterWithRole();

    OFPortDesc portDesc = factory.buildPortDesc()
            .setName("Port1")
            .setPortNo(OFPort.of(1))
            .build();
    OFPortStatus.Builder portStatusBuilder = factory.buildPortStatus()
            .setDesc(portDesc);

    // The events we expect sw.handlePortStatus to return
    // We'll just use the same list for all valid OFPortReasons and add
    // arbitrary events for arbitrary ports that are not necessarily
    // related to the port status message. Our goal
    // here is not to return the correct set of events but the make sure
    // that a) sw.handlePortStatus is called
    //      b) the list of events sw.handlePortStatus returns is sent
    //         as IOFSwitchListener notifications.
    OrderedCollection<PortChangeEvent> events =
            new LinkedHashSetWrapper<PortChangeEvent>();
    OFPortDesc.Builder pb = factory.buildPortDesc();
    OFPortDesc p1 = pb.setName("eth1").setPortNo(OFPort.of(1)).build();
    OFPortDesc p2 = pb.setName("eth2").setPortNo(OFPort.of(2)).build();
    OFPortDesc p3 = pb.setName("eth3").setPortNo(OFPort.of(3)).build();
    OFPortDesc p4 = pb.setName("eth4").setPortNo(OFPort.of(4)).build();
    OFPortDesc p5 = pb.setName("eth5").setPortNo(OFPort.of(5)).build();

    
    events.add(new PortChangeEvent(p1, PortChangeType.ADD));
    events.add(new PortChangeEvent(p2, PortChangeType.DELETE));
    events.add(new PortChangeEvent(p3, PortChangeType.UP));
    events.add(new PortChangeEvent(p4, PortChangeType.DOWN));
    events.add(new PortChangeEvent(p5, PortChangeType.OTHER_UPDATE));


    for (OFPortReason reason: OFPortReason.values()) {
        OFPortStatus portStatus = portStatusBuilder.setReason(reason).build();

        reset(sw);
        expect(sw.getId()).andReturn(dpid).anyTimes();

        expect(sw.processOFPortStatus(portStatus)).andReturn(events).once();
        replay(sw);

        reset(switchManager);
        switchManager.notifyPortChanged(sw, p1, PortChangeType.ADD);
        switchManager.notifyPortChanged(sw, p2, PortChangeType.DELETE);
        switchManager.notifyPortChanged(sw, p3, PortChangeType.UP);
        switchManager.notifyPortChanged(sw, p4, PortChangeType.DOWN);
        switchManager.notifyPortChanged(sw, p5, PortChangeType.OTHER_UPDATE);
        replay(switchManager);

        switchHandler.processOFMessage(portStatus);

        verify(sw);
    }
}