/**
* Constructs a BGP intent and put it into the intentList.
*
* <p>The purpose of this method is too simplify the setUpBgpIntents() method, and to make the
* setUpBgpIntents() easy to read.
*
* @param srcVlanId ingress VlanId
* @param dstVlanId egress VlanId
* @param srcPrefix source IP prefix to match
* @param dstPrefix destination IP prefix to match
* @param srcTcpPort source TCP port to match
* @param dstTcpPort destination TCP port to match
* @param srcConnectPoint source connect point for PointToPointIntent
* @param dstConnectPoint destination connect point for PointToPointIntent
*/
private void bgpPathintentConstructor(
VlanId srcVlanId,
VlanId dstVlanId,
String srcPrefix,
String dstPrefix,
Short srcTcpPort,
Short dstTcpPort,
ConnectPoint srcConnectPoint,
ConnectPoint dstConnectPoint) {
TrafficSelector.Builder builder =
DefaultTrafficSelector.builder()
.matchEthType(Ethernet.TYPE_IPV4)
.matchIPProtocol(IPv4.PROTOCOL_TCP)
.matchIPSrc(IpPrefix.valueOf(srcPrefix))
.matchIPDst(IpPrefix.valueOf(dstPrefix));
if (!srcVlanId.equals(VlanId.NONE)) {
builder.matchVlanId(srcVlanId);
}
TrafficTreatment.Builder treatment = DefaultTrafficTreatment.builder();
if (!dstVlanId.equals(VlanId.NONE)) {
treatment.setVlanId(dstVlanId);
}
if (srcTcpPort != null) {
builder.matchTcpSrc(TpPort.tpPort(srcTcpPort));
}
if (dstTcpPort != null) {
builder.matchTcpDst(TpPort.tpPort(dstTcpPort));
}
Key key =
Key.of(
srcPrefix.split("/")[0]
+ "-"
+ dstPrefix.split("/")[0]
+ "-"
+ ((srcTcpPort == null) ? "dst" : "src"),
APPID);
PointToPointIntent intent =
PointToPointIntent.builder()
.appId(APPID)
.key(key)
.selector(builder.build())
.treatment(treatment.build())
.ingressPoint(srcConnectPoint)
.egressPoint(dstConnectPoint)
.build();
intentList.add(intent);
}
@Override
public Criterion decodeCriterion(ObjectNode json) {
TpPort sctpPort =
TpPort.tpPort(
nullIsIllegal(
json.get(CriterionCodec.SCTP_PORT),
CriterionCodec.SCTP_PORT + MISSING_MEMBER_MESSAGE)
.asInt());
return Criteria.matchSctpDst(sctpPort);
}