private Flow createArpReplyToControllerFlow(
final ArpMessageAddress senderAddress, final Ipv4Address ipForRequestedMac) {
checkNotNull(senderAddress);
checkNotNull(ipForRequestedMac);
FlowBuilder arpFlow =
new FlowBuilder()
.setTableId(Service.CLASSIFIER.getTable())
.setFlowName(ARP_REPLY_TO_CONTROLLER_FLOW_NAME)
.setPriority(ARP_REPLY_TO_CONTROLLER_FLOW_PRIORITY)
.setBufferId(OFConstants.OFP_NO_BUFFER)
.setIdleTimeout(0)
.setHardTimeout(0)
.setCookie(new FlowCookie(BigInteger.valueOf(flowCookie.incrementAndGet())))
.setFlags(new FlowModFlags(false, false, false, false, false));
EthernetMatch ethernetMatch =
ArpFlowFactory.createEthernetMatch(senderAddress.getHardwareAddress());
ArpMatch arpMatch = ArpFlowFactory.createArpMatch(senderAddress, ipForRequestedMac);
Match match =
new MatchBuilder().setEthernetMatch(ethernetMatch).setLayer3Match(arpMatch).build();
arpFlow.setMatch(match);
arpFlow.setInstructions(
new InstructionsBuilder()
.setInstruction(ImmutableList.of(SEND_TO_CONTROLLER_INSTRUCTION))
.build());
arpFlow.setId(createFlowId(ipForRequestedMac));
return arpFlow.build();
}
static {
ApplyActions applyActions =
new ApplyActionsBuilder()
.setAction(ImmutableList.of(ArpFlowFactory.createSendToControllerAction(0)))
.build();
SEND_TO_CONTROLLER_INSTRUCTION =
new InstructionBuilder()
.setOrder(0)
.setInstruction(new ApplyActionsCaseBuilder().setApplyActions(applyActions).build())
.build();
}
