@Override
public Status programIpRewriteExclusion(
Long dpid, String segmentationId, String excludedCidr, Action action) {
String nodeName = Constants.OPENFLOW_NODE_PREFIX + dpid;
MatchBuilder matchBuilder = new MatchBuilder();
NodeBuilder nodeBuilder = OF13Provider.createNodeBuilder(nodeName);
// Instructions List Stores Individual Instructions
InstructionsBuilder isb = new InstructionsBuilder();
List<Instruction> instructions = Lists.newArrayList();
InstructionBuilder ib;
MatchUtils.createTunnelIDMatch(matchBuilder, new BigInteger(segmentationId));
String ipAddress = excludedCidr.substring(0, excludedCidr.indexOf("/"));
InetAddress inetAddress;
try {
inetAddress = InetAddress.getByName(ipAddress);
} catch (UnknownHostException e) {
return new Status(StatusCode.BADREQUEST);
}
if (inetAddress instanceof Inet6Address) {
// WORKAROUND: For now ipv6 is not supported
// TODO: implement ipv6 cidr case
LOG.debug("ipv6 cidr is not implemented yet. cidr {}", excludedCidr);
return new Status(StatusCode.NOTIMPLEMENTED);
}
MatchUtils.createDstL3IPv4Match(matchBuilder, new Ipv4Prefix(excludedCidr));
// Goto Next Table
ib = getMutablePipelineInstructionBuilder();
ib.setOrder(0);
ib.setKey(new InstructionKey(0));
instructions.add(ib.build());
FlowBuilder flowBuilder = new FlowBuilder();
flowBuilder.setMatch(matchBuilder.build());
flowBuilder.setInstructions(isb.setInstruction(instructions).build());
String flowId = "InboundNATExclusion_" + segmentationId + "_" + excludedCidr;
flowBuilder.setId(new FlowId(flowId));
FlowKey key = new FlowKey(new FlowId(flowId));
flowBuilder.setBarrier(true);
flowBuilder.setTableId(this.getTable());
flowBuilder.setKey(key);
flowBuilder.setPriority(1024);
flowBuilder.setFlowName(flowId);
flowBuilder.setHardTimeout(0);
flowBuilder.setIdleTimeout(0);
if (action.equals(Action.ADD)) {
writeFlow(flowBuilder, nodeBuilder);
} else {
removeFlow(flowBuilder, nodeBuilder);
}
// ToDo: WriteFlow/RemoveFlow should return something we can use to check success
return new Status(StatusCode.SUCCESS);
}
/**
* Write a drop flow for the given ethertype at the given priority. If the ethertype is null, then
* drop all traffic
*/
public Flow dropFlow(Integer priority, Long etherType, Short tableId) {
FlowId flowid;
FlowBuilder flowb = base().setPriority(priority).setInstructions(FlowUtils.dropInstructions());
if (etherType != null) {
MatchBuilder mb =
new MatchBuilder().setEthernetMatch(FlowUtils.ethernetMatch(null, null, etherType));
Match match = mb.build();
flowid = FlowIdUtils.newFlowId(tableId, "drop", match);
flowb.setMatch(match);
} else {
flowid = FlowIdUtils.newFlowId("dropAll");
}
flowb.setId(flowid);
return flowb.build();
}
@Override
public Status programIpRewriteRule(
Long dpid,
Long inPort,
String destSegId,
InetAddress matchAddress,
InetAddress rewriteAddress,
Action action) {
String nodeName = Constants.OPENFLOW_NODE_PREFIX + dpid;
MatchBuilder matchBuilder = new MatchBuilder();
NodeBuilder nodeBuilder = OF13Provider.createNodeBuilder(nodeName);
// Instructions List Stores Individual Instructions
InstructionsBuilder isb = new InstructionsBuilder();
List<Instruction> instructions = Lists.newArrayList();
InstructionBuilder ib = new InstructionBuilder();
MatchUtils.createInPortMatch(matchBuilder, dpid, inPort);
MatchUtils.createDstL3IPv4Match(
matchBuilder, MatchUtils.iPv4PrefixFromIPv4Address(matchAddress.getHostAddress()));
// Set register to indicate that rewrite took place
ActionBuilder actionBuilder = new ActionBuilder();
actionBuilder.setAction(
ActionUtils.nxLoadRegAction(
new DstNxRegCaseBuilder().setNxReg(REG_FIELD).build(), new BigInteger(destSegId)));
// Set Dest IP address and set REG_FIELD
InstructionUtils.createNwDstInstructions(
ib, MatchUtils.iPv4PrefixFromIPv4Address(rewriteAddress.getHostAddress()), actionBuilder);
ib.setOrder(0);
ib.setKey(new InstructionKey(0));
instructions.add(ib.build());
// Goto Next Table
ib = getMutablePipelineInstructionBuilder();
ib.setOrder(1);
ib.setKey(new InstructionKey(1));
instructions.add(ib.build());
FlowBuilder flowBuilder = new FlowBuilder();
flowBuilder.setMatch(matchBuilder.build());
flowBuilder.setInstructions(isb.setInstruction(instructions).build());
String flowId = "InboundNAT_" + inPort + "_" + destSegId + "_" + matchAddress.getHostAddress();
flowBuilder.setId(new FlowId(flowId));
FlowKey key = new FlowKey(new FlowId(flowId));
flowBuilder.setBarrier(true);
flowBuilder.setTableId(this.getTable());
flowBuilder.setKey(key);
flowBuilder.setPriority(1024);
flowBuilder.setFlowName(flowId);
flowBuilder.setHardTimeout(0);
flowBuilder.setIdleTimeout(0);
if (action.equals(Action.ADD)) {
writeFlow(flowBuilder, nodeBuilder);
} else {
removeFlow(flowBuilder, nodeBuilder);
}
// ToDo: WriteFlow/RemoveFlow should return something we can use to check success
return new Status(StatusCode.SUCCESS);
}
/**
* Test {@link MultipartReplyTranslator#translate(SwitchConnectionDistinguisher, SessionContext,
* OfHeader)} with experimenter MultipartReply message
*/
@Test
public void testFlowCase() {
MultipartReplyMessageBuilder mpBuilder = new MultipartReplyMessageBuilder();
mpBuilder.setVersion((short) EncodeConstants.OF13_VERSION_ID);
mpBuilder.setXid(123L);
mpBuilder.setFlags(new MultipartRequestFlags(false));
mpBuilder.setType(MultipartType.OFPMPFLOW);
MultipartReplyFlowCaseBuilder caseBuilder = new MultipartReplyFlowCaseBuilder();
MultipartReplyFlowBuilder flowBuilder = new MultipartReplyFlowBuilder();
List<FlowStats> flowStats = new ArrayList<>();
FlowStatsBuilder statsBuilder = new FlowStatsBuilder();
statsBuilder.setTableId((short) 1);
statsBuilder.setDurationSec(2L);
statsBuilder.setDurationNsec(3L);
statsBuilder.setPriority(4);
statsBuilder.setIdleTimeout(5);
statsBuilder.setHardTimeout(6);
FlowModFlags flags = new FlowModFlags(true, false, true, false, true);
statsBuilder.setFlags(flags);
statsBuilder.setCookie(new BigInteger("7"));
statsBuilder.setPacketCount(new BigInteger("8"));
statsBuilder.setByteCount(new BigInteger("9"));
MatchBuilder matchBuilder = new MatchBuilder();
matchBuilder.setType(OxmMatchType.class);
matchBuilder.setMatchEntry(new ArrayList<MatchEntry>());
statsBuilder.setMatch(matchBuilder.build());
statsBuilder.setInstruction(new ArrayList<Instruction>());
flowStats.add(statsBuilder.build());
statsBuilder = new FlowStatsBuilder();
statsBuilder.setTableId((short) 10);
statsBuilder.setDurationSec(20L);
statsBuilder.setDurationNsec(30L);
statsBuilder.setPriority(40);
statsBuilder.setIdleTimeout(50);
statsBuilder.setHardTimeout(60);
flags = new FlowModFlags(false, true, false, true, false);
statsBuilder.setFlags(flags);
statsBuilder.setCookie(new BigInteger("70"));
statsBuilder.setPacketCount(new BigInteger("80"));
statsBuilder.setByteCount(new BigInteger("90"));
matchBuilder = new MatchBuilder();
matchBuilder.setType(OxmMatchType.class);
matchBuilder.setMatchEntry(new ArrayList<MatchEntry>());
statsBuilder.setMatch(matchBuilder.build());
statsBuilder.setInstruction(new ArrayList<Instruction>());
flowStats.add(statsBuilder.build());
flowBuilder.setFlowStats(flowStats);
caseBuilder.setMultipartReplyFlow(flowBuilder.build());
mpBuilder.setMultipartReplyBody(caseBuilder.build());
MultipartReplyMessage message = mpBuilder.build();
List<DataObject> list = translator.translate(cookie, sc, message);
Assert.assertEquals("Wrong list size", 1, list.size());
FlowsStatisticsUpdate flowUpdate = (FlowsStatisticsUpdate) list.get(0);
Assert.assertEquals("Wrong node-id", "openflow:42", flowUpdate.getId().getValue());
Assert.assertEquals("Wrong more-replies", false, flowUpdate.isMoreReplies());
Assert.assertEquals(
"Wrong transaction-id", 123, flowUpdate.getTransactionId().getValue().intValue());
List<FlowAndStatisticsMapList> mapList = flowUpdate.getFlowAndStatisticsMapList();
Assert.assertEquals("Wrong flow stats size", 2, mapList.size());
FlowAndStatisticsMapList stat = mapList.get(0);
Assert.assertEquals("Wrong table-id", 1, stat.getTableId().intValue());
Assert.assertEquals(
"Wrong duration sec", 2, stat.getDuration().getSecond().getValue().intValue());
Assert.assertEquals(
"Wrong duration n sec", 3, stat.getDuration().getNanosecond().getValue().intValue());
Assert.assertEquals("Wrong priority", 4, stat.getPriority().intValue());
Assert.assertEquals("Wrong idle-timeout", 5, stat.getIdleTimeout().intValue());
Assert.assertEquals("Wrong hard-timeout", 6, stat.getHardTimeout().intValue());
org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.FlowModFlags expectedFlags =
new org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.FlowModFlags(
!flags.isOFPFFCHECKOVERLAP(),
!flags.isOFPFFNOBYTCOUNTS(),
!flags.isOFPFFNOPKTCOUNTS(),
!flags.isOFPFFRESETCOUNTS(),
!flags.isOFPFFSENDFLOWREM());
Assert.assertEquals("Wrong flags", expectedFlags, stat.getFlags());
Assert.assertEquals("Wrong cookie", 7, stat.getCookie().getValue().intValue());
Assert.assertEquals("Wrong packet count", 8, stat.getPacketCount().getValue().intValue());
Assert.assertEquals("Wrong byte count", 9, stat.getByteCount().getValue().intValue());
org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.MatchBuilder
emptyMatchBuilder =
new org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow
.MatchBuilder();
Match emptyMatch = emptyMatchBuilder.build();
Assert.assertEquals("Wrong match", emptyMatch, stat.getMatch());
Assert.assertEquals("Wrong instructions", 0, stat.getInstructions().getInstruction().size());
stat = mapList.get(1);
Assert.assertEquals("Wrong table-id", 10, stat.getTableId().intValue());
Assert.assertEquals(
"Wrong duration sec", 20, stat.getDuration().getSecond().getValue().intValue());
Assert.assertEquals(
"Wrong duration n sec", 30, stat.getDuration().getNanosecond().getValue().intValue());
Assert.assertEquals("Wrong priority", 40, stat.getPriority().intValue());
Assert.assertEquals("Wrong idle-timeout", 50, stat.getIdleTimeout().intValue());
Assert.assertEquals("Wrong hard-timeout", 60, stat.getHardTimeout().intValue());
expectedFlags =
new org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.FlowModFlags(
flags.isOFPFFCHECKOVERLAP(),
flags.isOFPFFNOBYTCOUNTS(),
flags.isOFPFFNOPKTCOUNTS(),
flags.isOFPFFRESETCOUNTS(),
flags.isOFPFFSENDFLOWREM());
Assert.assertEquals("Wrong flags", expectedFlags, stat.getFlags());
Assert.assertEquals("Wrong cookie", 70, stat.getCookie().getValue().intValue());
Assert.assertEquals("Wrong packet count", 80, stat.getPacketCount().getValue().intValue());
Assert.assertEquals("Wrong byte count", 90, stat.getByteCount().getValue().intValue());
Assert.assertEquals("Wrong match", emptyMatch, stat.getMatch());
Assert.assertEquals("Wrong instructions", 0, stat.getInstructions().getInstruction().size());
}