static bool
_athenaLRUContentStore_PutContentObject(AthenaContentStoreImplementation *store, const CCNxContentObject *content)
{
AthenaLRUContentStore *impl = (AthenaLRUContentStore *) store;
// If there's no capacity at all, just return now.
if (impl->maxSizeInBytes <= 0) {
return false;
}
// Check to see if the ContentObject is expired. If so, don't bother to cache it.
if (ccnxContentObject_HasExpiryTime(content)) {
if (ccnxContentObject_GetExpiryTime(content) <= parcClock_GetTime(impl->wallClock)) {
// the expiration time is now or earlier, so don't bother adding it.
return false;
}
}
_AthenaLRUContentStoreEntry *newEntry = _athenaLRUContentStoreEntry_Create(content);
bool result = _athenaLRUContentStore_PutLRUContentStoreEntry(store, newEntry);
if (result == false) {
// We didn't have enough room in the store to add the new item.
}
_athenaLRUContentStoreEntry_Release(&newEntry);
return result;
}
static _AthenaLRUContentStoreEntry *
_athenaLRUContentStoreEntry_Create(const CCNxContentObject *contentObject)
{
_AthenaLRUContentStoreEntry *result = parcObject_CreateAndClearInstance(_AthenaLRUContentStoreEntry);
if (result != NULL) {
result->contentObject = ccnxContentObject_Acquire(contentObject);
result->next = NULL;
result->prev = NULL;
result->sizeInBytes = _calculateSizeOfContentObject(contentObject);
result->hasExpiryTime = false;
result->hasRecommendedCacheTime = false;
if (ccnxContentObject_HasExpiryTime(contentObject)) {
result->hasExpiryTime = true;
result->expiryTime = ccnxContentObject_GetExpiryTime(contentObject);
}
// TODO:
// Check if the CO has an RCT and set the flags and init the values appropriately.
result->hasRecommendedCacheTime = false;
// TODO:
// Check if the CO has a KeyId and set the fields appropriately.
result->hasKeyId = false;
// TODO:
// Calculate the CO's contentObjectHash and set the fields appropriately
result->hasContentObjectHash = false;
}
return result;
}
LONGBOW_TEST_CASE(Global, ccnxContentObject_SetGetExpiryTime)
{
CCNxName *name = ccnxName_CreateFromCString("lci:/hello/dolly");
PARCBuffer *payload = parcBuffer_WrapCString("hello");
// Use a V1 ContentObject, as V0 doesn't support ExpiryTime
CCNxContentObject *contentObject =
ccnxContentObject_CreateWithImplAndPayload(&CCNxContentObjectFacadeV1_Implementation,
name, CCNxPayloadType_DATA, payload);
assertFalse(ccnxContentObject_HasExpiryTime(contentObject), "Expected no expiration time by default");
uint64_t expiryTime = 1010101ULL;
ccnxContentObject_SetExpiryTime(contentObject, expiryTime);
assertTrue(ccnxContentObject_HasExpiryTime(contentObject), "Expected the expiryTime to be set");
uint64_t retrievedTime = ccnxContentObject_GetExpiryTime(contentObject);
assertTrue(expiryTime == retrievedTime, "Did not retrieve expected expiryTime from ContentObject");
parcBuffer_Release(&payload);
ccnxName_Release(&name);
ccnxContentObject_Release(&contentObject);
}
LONGBOW_TEST_CASE(Global, ccnxContentObject_HasExpiryTime)
{
CCNxName *name = ccnxName_CreateFromURI("lci:/hello/dolly");
PARCBuffer *payload = parcBuffer_WrapCString("hello");
// Use a V1 ContentObject, as V0 doesn't support ExpiryTime
CCNxContentObject *contentObject =
ccnxContentObject_CreateWithImplAndPayload(&CCNxContentObjectFacadeV1_Implementation,
name, CCNxPayloadType_DATA, payload);
assertFalse(ccnxContentObject_HasExpiryTime(contentObject), "Expected no expiration time by default");
parcBuffer_Release(&payload);
ccnxName_Release(&name);
ccnxContentObject_Release(&contentObject);
}