@Override
public ExtensionSelector mapOxm(OFOxm<?> oxm) {
VlanId vlanId;
if (oxm.getMatchField().equals(MatchField.VLAN_VID)) {
if (oxm.isMasked()) {
OFVlanVidMatch vid = ((OFOxmVlanVidMasked) oxm).getValue();
OFVlanVidMatch mask = ((OFOxmVlanVidMasked) oxm).getMask();
if (vid.equals(OFVlanVidMatch.ofRawVid((short) 0))) {
vlanId = VlanId.NONE;
} else if (vid.equals(OFVlanVidMatch.PRESENT) && mask.equals(OFVlanVidMatch.PRESENT)) {
vlanId = VlanId.ANY;
} else {
vlanId = VlanId.vlanId(vid.getVlan());
}
} else {
OFVlanVidMatch vid = ((OFOxmVlanVid) oxm).getValue();
if (!vid.isPresentBitSet()) {
vlanId = VlanId.NONE;
} else {
vlanId = VlanId.vlanId(vid.getVlan());
}
}
return new OfdpaMatchVlanVid(vlanId);
}
throw new UnsupportedOperationException("Unexpected OXM: " + oxm.toString());
}
@Override
public OFOxm<?> mapSelector(OFFactory factory, ExtensionSelector extensionSelector) {
ExtensionSelectorType type = extensionSelector.type();
if (type.equals(ExtensionSelectorType.ExtensionSelectorTypes.OFDPA_MATCH_VLAN_VID.type())) {
VlanId vlanId = ((OfdpaMatchVlanVid) extensionSelector).vlanId();
// Special VLAN 0x0000/0x1FFF required by OFDPA
if (vlanId.equals(VlanId.NONE)) {
OFVlanVidMatch vid = OFVlanVidMatch.ofRawVid((short) 0x0000);
OFVlanVidMatch mask = OFVlanVidMatch.ofRawVid((short) 0x1FFF);
return factory.oxms().vlanVidMasked(vid, mask);
// Normal case
} else if (vlanId.equals(VlanId.ANY)) {
return factory.oxms().vlanVidMasked(OFVlanVidMatch.PRESENT, OFVlanVidMatch.PRESENT);
} else {
return factory.oxms().vlanVid(OFVlanVidMatch.ofVlanVid(VlanVid.ofVlan(vlanId.toShort())));
}
}
throw new UnsupportedOperationException(
"Unexpected ExtensionSelector: " + extensionSelector.toString());
}