@Override
public void triggerProbe(DeviceId deviceId) {
LOG.debug("Triggering probe on device {}", deviceId);
final Dpid dpid = dpid(deviceId.uri());
OpenFlowSwitch sw = controller.getSwitch(dpid);
if (sw == null || !sw.isConnected()) {
LOG.error("Failed to probe device {} on sw={}", deviceId, sw);
providerService.deviceDisconnected(deviceId);
return;
} else {
LOG.trace("Confirmed device {} connection", deviceId);
}
OFFactory fact = sw.factory();
switch (fact.getVersion()) {
case OF_10:
sw.sendMsg(fact.buildFeaturesRequest().setXid(0).build());
break;
case OF_13:
sw.sendMsg(fact.buildPortDescStatsRequest().setXid(0).build());
break;
default:
LOG.warn("Unhandled protocol version");
}
}