CCNxInterestReturnInterface *
ccnxInterestReturnInterface_GetInterface(const CCNxTlvDictionary *dictionary)
{
assertTrue(ccnxTlvDictionary_IsInterestReturn(dictionary), "Expected an InterestReturn");
CCNxInterestReturnInterface *impl = ccnxTlvDictionary_GetMessageInterface(dictionary);
if (!impl) {
// If we're here, we need to update the interface pointer. Break the const.
// We're not changing data values, just initializing the Interface pointer.
// Figure out what the typeInterface should be, based on the attributes we know.
int schemaVersion = ccnxTlvDictionary_GetSchemaVersion(dictionary);
switch (schemaVersion) {
case CCNxTlvDictionary_SchemaVersion_V0:
trapUnexpectedState("ccnxInterestReturnInterface_GetInterface() not implemented for V0");
case CCNxTlvDictionary_SchemaVersion_V1:
impl = &CCNxInterestReturnFacadeV1_Implementation;
break;
default:
trapUnexpectedState("Unknown SchemaVersion encountered in ccnxInterestReturnInterface_GetInterface()");
break;
}
if (impl) {
ccnxTlvDictionary_SetMessageInterface((CCNxTlvDictionary *) dictionary, impl); // break the const.
}
}
return impl;
}
static void
_assertInvariants(const CCNxTlvDictionary *interestDictionary)
{
assertNotNull(interestDictionary, "Dictionary is null");
assertTrue((ccnxTlvDictionary_IsInterest(interestDictionary) ||
ccnxTlvDictionary_IsInterestReturn(interestDictionary)), "Dictionary is not an interest");
assertTrue(ccnxTlvDictionary_GetSchemaVersion(interestDictionary) == CCNxTlvDictionary_SchemaVersion_V1,
"Dictionary is wrong schema Interest, got %d expected %d",
ccnxTlvDictionary_GetSchemaVersion(interestDictionary), CCNxTlvDictionary_SchemaVersion_V1);
}
