@Override
public void startUp(FloodlightModuleContext context) {
ScheduledExecutorService ses = threadPool.getScheduledExecutor();
newInstanceTask = new SingletonTask(ses, new UpdateTopologyWorker());
linkDiscovery.addListener(this);
floodlightProvider.addOFMessageListener(OFType.PACKET_IN, this);
floodlightProvider.addHAListener(this);
addRestletRoutable();
}
/** Switch methods */
public Set<Short> getPorts(long sw) {
Set<Short> ports = new HashSet<Short>();
IOFSwitch iofSwitch = floodlightProvider.getSwitches().get(sw);
if (iofSwitch == null) return null;
Collection<Short> ofpList = iofSwitch.getEnabledPortNumbers();
if (ofpList == null) return null;
Set<Short> qPorts = linkDiscovery.getQuarantinedPorts(sw);
if (qPorts != null) ofpList.removeAll(qPorts);
ports.addAll(ofpList);
return ports;
}
@Override
public void debug() {
logger.debug("Nathan Debug called");
// 从IFloodlightProviderService中获得连接的所有Switch
Map<Long, IOFSwitch> switches = floodlightProvider.getSwitches();
Collection<Long> sw_keys = switches.keySet();
// sw_keys－所有switches的switch.getId()
Iterator<Long> sw_key_iter = sw_keys.iterator();
while (sw_key_iter.hasNext()) {
Long sw_id = sw_key_iter.next();
IOFSwitch sw = switches.get(sw_id);
// 输出switch信息
logger.debug("Got Switch: {}", sw);
// 此处测试各类OFStatistics
boolean ofp_desc_stats = true;
boolean ofp_flow_stat = true;
// ofp_desc_stat
if (ofp_desc_stats) {
OFStatisticsRequest request = new OFStatisticsRequest();
request.setStatisticType(OFStatisticsType.DESC);
try {
logger.debug("request desc future");
Future<List<OFStatistics>> future = sw.getStatistics(request);
List<OFStatistics> list = future.get(10, TimeUnit.SECONDS);
for (int i = 0; i < list.size(); i++) {
OFDescriptionStatistics desc = (OFDescriptionStatistics) list.get(i);
logger.info("Got Desc: {}", desc);
}
} catch (IOException e) {
e.printStackTrace();
} catch (InterruptedException e) {
e.printStackTrace();
} catch (ExecutionException e) {
e.printStackTrace();
} catch (TimeoutException e) {
e.printStackTrace();
}
}
// ofp_flow_stat
if (ofp_flow_stat) {
// flow request body
OFFlowStatisticsRequest flow_request = new OFFlowStatisticsRequest();
OFMatch match = new OFMatch();
flow_request.setMatch(match);
flow_request.setOutPort(OFPort.OFPP_NONE.getValue());
flow_request.setTableId((byte) 0xFF);
// statistics request
OFStatisticsRequest request = new OFStatisticsRequest();
request.setStatisticType(OFStatisticsType.FLOW);
request.setStatistics(Collections.singletonList((OFStatistics) flow_request));
// 这步非常重要，需要显示的增加request的长度，否则将出现越界错误
int request_length = request.getLength() + flow_request.getLength();
request.setLengthU(request_length);
try {
logger.debug("request flow future");
Future<List<OFStatistics>> future = sw.getStatistics(request);
List<OFStatistics> list = future.get(10, TimeUnit.SECONDS);
for (int i = 0; i < list.size(); i++) {
OFFlowStatisticsReply flow = (OFFlowStatisticsReply) list.get(i);
logger.info("Got Flow: {}", flow);
}
} catch (IOException e) {
e.printStackTrace();
} catch (InterruptedException e) {
e.printStackTrace();
} catch (ExecutionException e) {
e.printStackTrace();
} catch (TimeoutException e) {
e.printStackTrace();
}
}
}
// obtain all attached devices from IDeviceService
Collection<? extends IDevice> devices = deviceService.getAllDevices();
Iterator<? extends IDevice> dev_iter = devices.iterator();
while (dev_iter.hasNext()) {
IDevice dev = dev_iter.next();
logger.info("Got Device: {}", dev);
}
// obtain all links between switches from ILinkDiscoveryService
Map<Link, LinkInfo> link_map = linkService.getLinks();
Collection<Link> links = link_map.keySet();
// links contains all links, and it can be used as key to get its corresponding LinkInfo
Iterator<Link> link_iter = links.iterator();
while (link_iter.hasNext()) {
Link link = link_iter.next();
logger.info("Got Link: {}" + link);
}
}
/** Get a list of all active links in the network. */
private Collection<Link> getLinks() {
return linkDiscProv.getLinks().keySet();
}