@Override
public List<String> listDevices() {
FVLog.log(LogLevel.DEBUG, null, "API listDevices() by: " + APIUserCred.getUserName());
FlowVisor fv = FlowVisor.getInstance();
// get list from main flowvisor instance
List<String> dpids = new ArrayList<String>();
String dpidStr;
/*
* if (TopologyController.isConfigured()) { for (Long dpid :
* TopologyController.getRunningInstance() .listDevices()) { dpidStr =
* HexString.toHexString(dpid); if (!dpids.contains(dpidStr))
* dpids.add(dpidStr); else FVLog.log(LogLevel.WARN, TopologyController
* .getRunningInstance(), "duplicate dpid detected: " + dpidStr); } }
* else {
*/
// only list a device is we have a features reply for it
for (FVEventHandler handler : fv.getHandlersCopy()) {
if (handler instanceof FVClassifier) {
OFFeaturesReply featuresReply = ((FVClassifier) handler).getSwitchInfo();
if (featuresReply != null) {
dpidStr = FlowSpaceUtil.dpidToString(featuresReply.getDatapathId());
if (!dpids.contains(dpidStr)) dpids.add(dpidStr);
else FVLog.log(LogLevel.WARN, handler, "duplicate dpid detected: " + dpidStr);
}
}
}
// }
return dpids;
}
/** The topologyController handles LLDP messages and ignores everything else */
@Override
public void topologyController(TopologyConnection topologyConnection) {
synchronized (topologyConnection) {
DPIDandPort dpidandport = TopologyConnection.parseLLDP(this.getPacketData());
if (dpidandport == null) {
FVLog.log(
LogLevel.DEBUG,
topologyConnection,
"ignoring non-lldp packetin: " + this.toVerboseString());
return;
}
OFFeaturesReply featuresReply = topologyConnection.getFeaturesReply();
if (featuresReply == null) {
FVLog.log(LogLevel.WARN, topologyConnection, "ignoring packet_in: no features_reply yet");
return;
}
LinkAdvertisement linkAdvertisement =
new LinkAdvertisement(
dpidandport.getDpid(),
dpidandport.getPort(),
featuresReply.getDatapathId(),
this.inPort);
topologyConnection.getTopologyController().reportProbe(linkAdvertisement);
topologyConnection.signalFastPort(this.inPort);
}
}
/*
* (non-Javadoc)
*
* @see org.flowvisor.api.FVUserAPI#getDeviceInfo()
*/
@Override
public Map<String, String> getDeviceInfo(String dpidStr) throws DPIDNotFound {
Map<String, String> map = new HashMap<String, String>();
long dpid = HexString.toLong(dpidStr);
FVClassifier fvClassifier = null;
for (FVEventHandler handler : FlowVisor.getInstance().getHandlersCopy()) {
if (handler instanceof FVClassifier) {
OFFeaturesReply featuresReply = ((FVClassifier) handler).getSwitchInfo();
if (featuresReply != null && featuresReply.getDatapathId() == dpid) {
fvClassifier = (FVClassifier) handler;
break;
}
}
}
if (fvClassifier == null)
throw new DPIDNotFound("dpid does not exist: " + dpidStr + " ::" + String.valueOf(dpid));
OFFeaturesReply config = fvClassifier.getSwitchInfo();
map.put("dpid", FlowSpaceUtil.dpidToString(dpid));
if (config != null) {
map.put("nPorts", String.valueOf(config.getPorts().size()));
String portList = "";
String portNames = "";
int p;
for (Iterator<OFPhysicalPort> it = config.getPorts().iterator(); it.hasNext(); ) {
OFPhysicalPort port = it.next();
p = U16.f(port.getPortNumber());
portList += p;
portNames += port.getName() + "(" + p + ")";
if (it.hasNext()) {
portList += ",";
portNames += ",";
}
}
map.put("portList", portList);
map.put("portNames", portNames);
} else {
FVLog.log(LogLevel.WARN, null, "null config for: " + dpidStr);
}
map.put("remote", String.valueOf(fvClassifier.getConnectionName()));
return map;
}
@Override
@JsonIgnore
public void setFeaturesReply(OFFeaturesReply featuresReply) {
synchronized (portLock) {
if (stringId == null) {
/* ports are updated via port status message, so we
* only fill in ports on initial connection.
*/
for (OFPhysicalPort port : featuresReply.getPorts()) {
setPort(port);
}
}
this.datapathId = featuresReply.getDatapathId();
this.capabilities = featuresReply.getCapabilities();
this.buffers = featuresReply.getBuffers();
this.actions = featuresReply.getActions();
this.tables = featuresReply.getTables();
this.stringId = HexString.toHexString(this.datapathId);
}
}