+ /**
+ * This method expects a SMR Map-Request as input, which it will turn into a SMR-invoked Map-Request and use the
+ * LISP mapping service to send it
+ *
+ * @param mapRequest the SMR Map-Request
+ */
+ private void emitSMRInvokedMapRequestMessage(MapRequest mapRequest) {
+ if (mapRequest.getEidItem().isEmpty()) {
+ fail("Empty SMR received!");
+ }
+
+ Eid srcEid = addMaximumPrefixIfNecessary(mapRequest.getSourceEid().getEid());
+ final EidItemBuilder eidItemBuilder = new EidItemBuilder();
+ eidItemBuilder.setEid(srcEid);
+ eidItemBuilder.setEidItemId(LispAddressStringifier.getString(srcEid));
+ final List<EidItem> eidItem = Collections.singletonList(eidItemBuilder.build());
+
+ final MapRequestBuilder mapRequestBuilder = new MapRequestBuilder(mapRequest);
+ mapRequestBuilder.setSmr(false);
+ mapRequestBuilder.setSmrInvoked(true);
+ mapRequestBuilder.setItrRloc(prepareDummyItrRloc());
+ mapRequestBuilder.setEidItem(eidItem);
+ for (EidItem ei : mapRequest.getEidItem()) {
+ mapRequestBuilder.setSourceEid(new SourceEidBuilder().setEid(ei.getEid()).build());
+ LOG.debug("Sending SMR-invoked Map-Reqeust for EID {}, Source EID {}",
+ LispAddressStringifier.getString(srcEid),
+ LispAddressStringifier.getString(ei.getEid()));
+ lms.handleMapRequest(mapRequestBuilder.build());
+ }
+ }
+
+ /*
+ * Since the Source EID field from a Map-Request packet does not have a prefix length field, IPv4 and IPv6 addresses
+ * are serialized into Ipv4Binary and Ipv6Binary objects. However, when we want to use the addresses in a
+ * SMR-invoked Map-Request, we need to use an Ipv4PrefixBinary or Ipv6PrefixBinary object respectively, since that's
+ * what the EID item field would be deserialized into.
+ */
+ private static Eid addMaximumPrefixIfNecessary(Eid eid) {
+ Address address = eid.getAddress();
+ if (address instanceof Ipv4Binary) {
+ return LispAddressUtil.asIpv4PrefixBinaryEid(
+ eid, ((Ipv4Binary) address).getIpv4Binary().getValue(), MaskUtil.IPV4_MAX_MASK);
+ } else if (address instanceof Ipv6Binary) {
+ return LispAddressUtil.asIpv6PrefixBinaryEid(
+ eid, ((Ipv6Binary) address).getIpv6Binary().getValue(), MaskUtil.IPV6_MAX_MASK);
+ }
+ return eid;
+ }
+