/**
* Create and return a CCNxInterest whose Name contains our commend (e.g. "fetch" or "list"),
* and, optionally, the name of a target object (e.g. "file.txt"). The newly created CCNxInterest
* must eventually be released by calling ccnxInterest_Release().
*
* @param command The command to embed in the created CCNxInterest.
* @param targetName The name of the content, if any, that the command applies to.
*
* @return A newly created CCNxInterest for the specified command and targetName.
*/
static CCNxInterest *
_createInterest(const char *command, const char *targetName)
{
CCNxName *interestName = ccnxName_CreateFromURI(tutorialCommon_DomainPrefix); // Start with the prefix. We append to this.
// Create a NameSegment for our command, which we will append after the prefix we just created.
PARCBuffer *commandBuffer = parcBuffer_WrapCString((char *) command);
CCNxNameSegment *commandSegment = ccnxNameSegment_CreateTypeValue(CCNxNameLabelType_NAME, commandBuffer);
parcBuffer_Release(&commandBuffer);
// Append the new command segment to the prefix
ccnxName_Append(interestName, commandSegment);
ccnxNameSegment_Release(&commandSegment);
// If we have a target, then create another NameSegment for it and append that.
if (targetName != NULL) {
// Create a NameSegment for our target object
PARCBuffer *targetBuf = parcBuffer_WrapCString((char *) targetName);
CCNxNameSegment *targetSegment = ccnxNameSegment_CreateTypeValue(CCNxNameLabelType_NAME, targetBuf);
parcBuffer_Release(&targetBuf);
// Append it to the ccnxName.
ccnxName_Append(interestName, targetSegment);
ccnxNameSegment_Release(&targetSegment);
}
CCNxInterest *result = ccnxInterest_CreateSimple(interestName);
ccnxName_Release(&interestName);
return result;
}
LONGBOW_TEST_CASE(Global, ccnxTlvCodecName_Encode)
{
uint8_t truthBytes[] = { 0x10, 0x20, 0x00, 0x0E, 0x00, CCNxNameLabelType_NAME, 0x00, 0x0A, 'b', 'r', 'a', 'n', 'd', 'y', 'w', 'i', 'n', 'e' };
PARCBuffer *truth = parcBuffer_Wrap(truthBytes, sizeof(truthBytes), 0, sizeof(truthBytes));
CCNxCodecTlvEncoder *encoder = ccnxCodecTlvEncoder_Create();
ccnxCodecTlvEncoder_Initialize(encoder);
PARCBuffer *buffer = parcBuffer_WrapCString("brandywine");
CCNxNameSegment *segment = ccnxNameSegment_CreateTypeValue(CCNxNameLabelType_NAME, buffer);
CCNxName *name = ccnxName_Append(ccnxName_Create(), segment);
ccnxNameSegment_Release(&segment);
parcBuffer_Release(&buffer);
ccnxCodecSchemaV1NameCodec_Encode(encoder, 0x1020, name);
ccnxCodecTlvEncoder_Finalize(encoder);
PARCBuffer *test = ccnxCodecTlvEncoder_CreateBuffer(encoder);
if (!parcBuffer_Equals(truth, test)) {
printf("Buffers do not match\n");
printf("Excpected:\n");
parcBuffer_Display(truth, 3);
printf("Got:\n");
parcBuffer_Display(test, 3);
assertTrue(parcBuffer_Equals(truth, test), "Buffers do not match");
}
ccnxName_Release(&name);
parcBuffer_Release(&test);
ccnxCodecTlvEncoder_Destroy(&encoder);
parcBuffer_Release(&truth);
}
LONGBOW_TEST_CASE(Global, ccnxNameSegmentNumber_Create8bits)
{
uint64_t expected = 0x12;
CCNxNameSegment *segment = ccnxNameSegmentNumber_Create(CCNxNameLabelType_CHUNK, expected);
uint64_t actual = ccnxNameSegmentNumber_Value(segment);
assertTrue(expected == actual, "Expected 0x%" PRIX64 " actual 0x%" PRIX64 "", expected, actual);
ccnxNameSegment_Release(&segment);
}
LONGBOW_TEST_CASE(Global, athena_ProcessContentObject)
{
PARCURI *connectionURI;
Athena *athena = athena_Create(100);
CCNxName *name = ccnxName_CreateFromCString("lci:/cakes/and/pies");
uint64_t chunkNum = 0;
CCNxNameSegment *chunkSegment = ccnxNameSegmentNumber_Create(CCNxNameLabelType_CHUNK, chunkNum);
ccnxName_Append(name, chunkSegment);
ccnxNameSegment_Release(&chunkSegment);
PARCBuffer *payload = parcBuffer_WrapCString("this is a payload");
CCNxContentObject *contentObject = ccnxContentObject_CreateWithNameAndPayload(name, payload);
ccnxName_Release(&name);
parcBuffer_Release(&payload);
connectionURI = parcURI_Parse("tcp://localhost:50100/listener/name=TCPListener");
const char *result = athenaTransportLinkAdapter_Open(athena->athenaTransportLinkAdapter, connectionURI);
assertTrue(result != NULL, "athenaTransportLinkAdapter_Open failed (%s)", strerror(errno));
parcURI_Release(&connectionURI);
connectionURI = parcURI_Parse("tcp://localhost:50100/name=TCP_0");
result = athenaTransportLinkAdapter_Open(athena->athenaTransportLinkAdapter, connectionURI);
assertTrue(result != NULL, "athenaTransportLinkAdapter_Open failed (%s)", strerror(errno));
parcURI_Release(&connectionURI);
int linkId = athenaTransportLinkAdapter_LinkNameToId(athena->athenaTransportLinkAdapter, "TCP_0");
PARCBitVector *ingressVector = parcBitVector_Create();
parcBitVector_Set(ingressVector, linkId);
athena_EncodeMessage(contentObject);
athena_ProcessMessage(athena, contentObject, ingressVector);
parcBitVector_Release(&ingressVector);
// Make sure we recover processing a "nameless" content object
payload = parcBuffer_WrapCString("Hello World");
CCNxContentObject *reply = ccnxContentObject_CreateWithPayload(payload);
parcBuffer_Release(&payload);
CCNxMetaMessage *response = ccnxMetaMessage_CreateFromContentObject(reply);
ccnxContentObject_Release(&reply);
athena_EncodeMessage(response);
athena_ProcessMessage(athena, response, ingressVector);
assertNull(ingressVector, "Processing nameless content object didn't fail.");
ccnxInterest_Release(&contentObject);
ccnxInterest_Release(&response);
athena_Release(&athena);
}
/**
* Create a CCNxContentObject with the given LCI name, chunknumber, and payload.
*/
static CCNxContentObject *
_createContentObject(char *lci, uint64_t chunkNum, PARCBuffer *payload)
{
CCNxName *name = ccnxName_CreateFromURI(lci);
CCNxNameSegment *chunkSegment = ccnxNameSegmentNumber_Create(CCNxNameLabelType_CHUNK, chunkNum);
ccnxName_Append(name, chunkSegment);
CCNxContentObject *result = ccnxContentObject_CreateWithDataPayload(name, payload);
ccnxName_Release(&name);
ccnxNameSegment_Release(&chunkSegment);
return result;
}
LONGBOW_TEST_CASE(Global, ccnxTlvCodecName_Decode_RightType)
{
PARCBuffer *buffer = parcBuffer_WrapCString("brandywine");
CCNxNameSegment *segment = ccnxNameSegment_CreateTypeValue(CCNxNameLabelType_NAME, buffer);
CCNxName *truth = ccnxName_Append(ccnxName_Create(), segment);
ccnxNameSegment_Release(&segment);
parcBuffer_Release(&buffer);
uint8_t decodeBytes[] = { 0x10, 0x20, 0x00, 0x0E, 0x00, CCNxNameLabelType_NAME, 0x00, 0x0A, 'b', 'r', 'a', 'n', 'd', 'y', 'w', 'i', 'n', 'e' };
PARCBuffer *decodeBuffer = parcBuffer_Wrap(decodeBytes, sizeof(decodeBytes), 0, sizeof(decodeBytes));
CCNxCodecTlvDecoder *decoder = ccnxCodecTlvDecoder_Create(decodeBuffer);
CCNxName *test = ccnxCodecSchemaV1NameCodec_Decode(decoder, 0x1020);
assertTrue(ccnxName_Equals(truth, test), "Name segments do not match");
ccnxName_Release(&test);
ccnxCodecTlvDecoder_Destroy(&decoder);
parcBuffer_Release(&decodeBuffer);
ccnxName_Release(&truth);
}
LONGBOW_TEST_CASE(Global, athena_ProcessInterest)
{
PARCURI *connectionURI;
Athena *athena = athena_Create(100);
CCNxName *name = ccnxName_CreateFromCString("lci:/foo/bar/baz");
CCNxInterest *interest = ccnxInterest_CreateSimple(name);
uint64_t chunkNum = 0;
CCNxNameSegment *chunkSegment = ccnxNameSegmentNumber_Create(CCNxNameLabelType_CHUNK, chunkNum);
ccnxName_Append(name, chunkSegment);
ccnxNameSegment_Release(&chunkSegment);
PARCBuffer *payload = parcBuffer_WrapCString("this is a payload");
CCNxContentObject *contentObject = ccnxContentObject_CreateWithNameAndPayload(name, payload);
parcBuffer_Release(&payload);
struct timeval tv;
gettimeofday(&tv, NULL);
uint64_t nowInMillis = (tv.tv_sec * 1000) + (tv.tv_usec / 1000);
ccnxContentObject_SetExpiryTime(contentObject, nowInMillis + 100000); // expire in 100 seconds
connectionURI = parcURI_Parse("tcp://localhost:50100/listener/name=TCPListener");
const char *result = athenaTransportLinkAdapter_Open(athena->athenaTransportLinkAdapter, connectionURI);
assertTrue(result != NULL, "athenaTransportLinkAdapter_Open failed(%s)", strerror(errno));
parcURI_Release(&connectionURI);
connectionURI = parcURI_Parse("tcp://localhost:50100/name=TCP_0/local=false");
result = athenaTransportLinkAdapter_Open(athena->athenaTransportLinkAdapter, connectionURI);
assertTrue(result != NULL, "athenaTransportLinkAdapter_Open failed (%s)", strerror(errno));
parcURI_Release(&connectionURI);
connectionURI = parcURI_Parse("tcp://localhost:50100/name=TCP_1/local=false");
result = athenaTransportLinkAdapter_Open(athena->athenaTransportLinkAdapter, connectionURI);
assertTrue(result != NULL, "athenaTransportLinkAdapter_Open failed (%s)", strerror(errno));
parcURI_Release(&connectionURI);
int linkId = athenaTransportLinkAdapter_LinkNameToId(athena->athenaTransportLinkAdapter, "TCP_0");
PARCBitVector *interestIngressVector = parcBitVector_Create();
parcBitVector_Set(interestIngressVector, linkId);
linkId = athenaTransportLinkAdapter_LinkNameToId(athena->athenaTransportLinkAdapter, "TCP_1");
PARCBitVector *contentObjectIngressVector = parcBitVector_Create();
parcBitVector_Set(contentObjectIngressVector, linkId);
athena_EncodeMessage(interest);
athena_EncodeMessage(contentObject);
// Before FIB entry interest should not be forwarded
athena_ProcessMessage(athena, interest, interestIngressVector);
// Add route for interest, it should now be forwarded
athenaFIB_AddRoute(athena->athenaFIB, name, contentObjectIngressVector);
CCNxName *defaultName = ccnxName_CreateFromCString("lci:/");
athenaFIB_AddRoute(athena->athenaFIB, defaultName, contentObjectIngressVector);
ccnxName_Release(&defaultName);
// Process exact interest match
athena_ProcessMessage(athena, interest, interestIngressVector);
// Process a super-interest match
CCNxName *superName = ccnxName_CreateFromCString("lci:/foo/bar/baz/unmatched");
CCNxInterest *superInterest = ccnxInterest_CreateSimple(superName);
athena_EncodeMessage(superInterest);
athena_ProcessMessage(athena, superInterest, interestIngressVector);
ccnxName_Release(&superName);
ccnxInterest_Release(&superInterest);
// Process no-match/default route interest
CCNxName *noMatchName = ccnxName_CreateFromCString("lci:/buggs/bunny");
CCNxInterest *noMatchInterest = ccnxInterest_CreateSimple(noMatchName);
athena_EncodeMessage(noMatchInterest);
athena_ProcessMessage(athena, noMatchInterest, interestIngressVector);
ccnxName_Release(&noMatchName);
ccnxInterest_Release(&noMatchInterest);
// Create a matching content object that the store should retain and reply to the following interest with
athena_ProcessMessage(athena, contentObject, contentObjectIngressVector);
athena_ProcessMessage(athena, interest, interestIngressVector);
parcBitVector_Release(&interestIngressVector);
parcBitVector_Release(&contentObjectIngressVector);
ccnxName_Release(&name);
ccnxInterest_Release(&interest);
ccnxInterest_Release(&contentObject);
athena_Release(&athena);
}
static void
_destroy(CCNxInterestPayloadId **idP)
{
CCNxInterestPayloadId *id = *idP;
ccnxNameSegment_Release(&id->nameSegment);
}
