static void
_processContentObject(Athena *athena, CCNxContentObject *contentObject, PARCBitVector *ingressVector)
{
//
// * (1) If it does not match anything in the PIT, drop it
//
PARCBitVector *egressVector = athenaPIT_Match(athena->athenaPIT, contentObject, ingressVector);
if (egressVector) {
if (parcBitVector_NumberOfBitsSet(egressVector) > 0) {
//
// * (2) Add to the Content Store
//
athenaContentStore_PutContentObject(athena->athenaContentStore, contentObject);
//
// * (3) Reverse path forward it via PIT entries
//
const char *egressVectorString = parcBitVector_ToString(egressVector);
parcLog_Debug(athena->log, "Content Object forwarded to %s.", egressVectorString);
parcMemory_Deallocate(&egressVectorString);
PARCBitVector *result = athenaTransportLinkAdapter_Send(athena->athenaTransportLinkAdapter, contentObject, egressVector);
if (result) {
// if there are failed channels, client will resend interest unless we wish to retry here
parcBitVector_Release(&result);
}
}
parcBitVector_Release(&egressVector);
}
}
LONGBOW_TEST_CASE(Global, athena_ForwarderEngine)
{
// Create a new athena instance
Athena *newAthena = athena_Create(AthenaDefaultContentStoreSize);
assertNotNull(newAthena, "Could not create a new Athena instance");
// Add a link
PARCURI *connectionURI = parcURI_Parse("tcp://localhost:50100/listener");
const char *result = athenaTransportLinkAdapter_Open(newAthena->athenaTransportLinkAdapter, connectionURI);
assertTrue(result != NULL, "athenaTransportLinkAdapter_Open failed\n");
parcURI_Release(&connectionURI);
pthread_t thread;
// Passing in a reference that will be released by the new thread as the thread may not
// have time to acquire a reference itself before we release our reference.
int ret = pthread_create(&thread, NULL, athena_ForwarderEngine, (void *) athena_Acquire(newAthena));
assertTrue(ret == 0, "pthread_create failed");
athena_Release(&newAthena);
// Create a new local instance we can send a quit message from
Athena *athena = athena_Create(AthenaDefaultContentStoreSize);
assertNotNull(athena, "Could not create a new Athena instance");
connectionURI = parcURI_Parse("tcp://localhost:50100/name=TCP_1");
result = athenaTransportLinkAdapter_Open(athena->athenaTransportLinkAdapter, connectionURI);
assertTrue(result != NULL, "athenaTransportLinkAdapter_Open failed (%s)", strerror(errno));
parcURI_Release(&connectionURI);
PARCBitVector *linkVector = parcBitVector_Create();
int linkId = athenaTransportLinkAdapter_LinkNameToId(athena->athenaTransportLinkAdapter, "TCP_1");
parcBitVector_Set(linkVector, linkId);
CCNxName *name = ccnxName_CreateFromCString(CCNxNameAthenaCommand_Quit);
CCNxMetaMessage *interest = ccnxInterest_CreateSimple(name);
ccnxName_Release(&name);
athena_EncodeMessage(interest);
PARCBitVector
*resultVector = athenaTransportLinkAdapter_Send(athena->athenaTransportLinkAdapter, interest, linkVector);
assertNull(resultVector, "athenaTransportLinkAdapter_Send failed");
ccnxMetaMessage_Release(&interest);
parcBitVector_Release(&linkVector);
CCNxMetaMessage
*response = athenaTransportLinkAdapter_Receive(athena->athenaTransportLinkAdapter, &resultVector, -1);
assertNotNull(resultVector, "athenaTransportLinkAdapter_Receive failed");
assertTrue(parcBitVector_NumberOfBitsSet(resultVector) > 0, "athenaTransportLinkAdapter_Receive failed");
parcBitVector_Release(&resultVector);
ccnxMetaMessage_Release(&response);
athenaTransportLinkAdapter_CloseByName(athena->athenaTransportLinkAdapter, "TCP_1");
pthread_join(thread, NULL); // Wait for the child athena to actually finish
athena_Release(&athena);
}
LONGBOW_TEST_CASE(Global, athenaTransportLinkModuleUDP_SendReceive)
{
PARCURI *connectionURI;
const char *result;
AthenaTransportLinkAdapter *athenaTransportLinkAdapter = athenaTransportLinkAdapter_Create(_removeLink, NULL);
assertNotNull(athenaTransportLinkAdapter, "athenaTransportLinkAdapter_Create returned NULL");
connectionURI = parcURI_Parse("udp://127.0.0.1:40000/Listener/name=UDPListener");
result = athenaTransportLinkAdapter_Open(athenaTransportLinkAdapter, connectionURI);
assertTrue(result != NULL, "athenaTransportLinkAdapter_Open failed (%s)", strerror(errno));
parcURI_Release(&connectionURI);
connectionURI = parcURI_Parse("udp://127.0.0.1:40000/name=UDP_1");
result = athenaTransportLinkAdapter_Open(athenaTransportLinkAdapter, connectionURI);
assertTrue(result != NULL, "athenaTransportLinkAdapter_Open failed (%s)", strerror(errno));
parcURI_Release(&connectionURI);
athenaTransportLinkAdapter_Poll(athenaTransportLinkAdapter, 0);
CCNxName *name = ccnxName_CreateFromCString("lci:/foo/bar");
CCNxMetaMessage *ccnxMetaMessage = ccnxInterest_CreateSimple(name);
ccnxName_Release(&name);
PARCBitVector *sendVector = parcBitVector_Create();
int linkId = athenaTransportLinkAdapter_LinkNameToId(athenaTransportLinkAdapter, "UDP_1");
parcBitVector_Set(sendVector, linkId);
athena_EncodeMessage(ccnxMetaMessage);
PARCBitVector *resultVector;
resultVector = athenaTransportLinkAdapter_Send(athenaTransportLinkAdapter, ccnxMetaMessage, sendVector);
assertNotNull(resultVector, "athenaTransportLinkAdapter_Send failed");
parcBitVector_Release(&resultVector);
ccnxMetaMessage_Release(&ccnxMetaMessage);
parcBitVector_Release(&sendVector);
usleep(1000);
ccnxMetaMessage = athenaTransportLinkAdapter_Receive(athenaTransportLinkAdapter, &resultVector, 0);
assertNotNull(resultVector, "athenaTransportLinkAdapter_Receive failed");
assertTrue(parcBitVector_NumberOfBitsSet(resultVector) == 1, "athenaTransportLinkAdapter_Receive return message with more than one ingress link");
assertNotNull(ccnxMetaMessage, "athenaTransportLinkAdapter_Receive failed to provide message");
parcBitVector_Release(&resultVector);
ccnxMetaMessage_Release(&ccnxMetaMessage);
// Close one end of the connection and send a message from the other.
int closeResult = athenaTransportLinkAdapter_CloseByName(athenaTransportLinkAdapter, "UDPListener");
assertTrue(closeResult == 0, "athenaTransportLinkAdapter_CloseByName failed (%s)", strerror(errno));
ccnxMetaMessage = athenaTransportLinkAdapter_Receive(athenaTransportLinkAdapter, &resultVector, 1);
assertNull(resultVector, "athenaTransportLinkAdapter_Receive should have failed");
closeResult = athenaTransportLinkAdapter_CloseByName(athenaTransportLinkAdapter, "UDP_1");
assertTrue(closeResult == 0, "athenaTransportLinkAdapter_CloseByName failed (%s)", strerror(errno));
athenaTransportLinkAdapter_Destroy(&athenaTransportLinkAdapter);
}
LONGBOW_TEST_CASE(Global, athenaTransportLinkModuleUDP_MTU)
{
PARCURI *connectionURI;
const char *result;
AthenaTransportLinkAdapter *athenaTransportLinkAdapter = athenaTransportLinkAdapter_Create(_removeLink, NULL);
assertNotNull(athenaTransportLinkAdapter, "athenaTransportLinkAdapter_Create returned NULL");
connectionURI = parcURI_Parse("udp://127.0.0.1:40000/Listener/name=UDPListener/mtu=");
result = athenaTransportLinkAdapter_Open(athenaTransportLinkAdapter, connectionURI);
assertTrue(result == NULL, "athenaTransportLinkAdapter_Open failed to detect improper MTU (%s)", strerror(errno));
parcURI_Release(&connectionURI);
connectionURI = parcURI_Parse("udp://127.0.0.1:40000/Listener/name=UDPListener/mtu=20");
result = athenaTransportLinkAdapter_Open(athenaTransportLinkAdapter, connectionURI);
assertTrue(result != NULL, "athenaTransportLinkAdapter_Open failed (%s)", strerror(errno));
parcURI_Release(&connectionURI);
connectionURI = parcURI_Parse("udp://127.0.0.1:40000/name=UDP_1/mtu=20");
result = athenaTransportLinkAdapter_Open(athenaTransportLinkAdapter, connectionURI);
assertTrue(result != NULL, "athenaTransportLinkAdapter_Open failed (%s)", strerror(errno));
parcURI_Release(&connectionURI);
athenaTransportLinkAdapter_Poll(athenaTransportLinkAdapter, 0);
CCNxName *name = ccnxName_CreateFromCString("lci:/foo/bar");
CCNxMetaMessage *ccnxMetaMessage = ccnxInterest_CreateSimple(name);
ccnxName_Release(&name);
PARCBitVector *sendVector = parcBitVector_Create();
int linkId = athenaTransportLinkAdapter_LinkNameToId(athenaTransportLinkAdapter, "UDP_1");
parcBitVector_Set(sendVector, linkId);
athena_EncodeMessage(ccnxMetaMessage);
PARCBitVector *resultVector;
resultVector = athenaTransportLinkAdapter_Send(athenaTransportLinkAdapter, ccnxMetaMessage, sendVector);
assertTrue(parcBitVector_NumberOfBitsSet(resultVector) == 0, "athenaTransportLinkAdapter_Send should have failed");
assertTrue(errno == EMSGSIZE, "athenaTransportLinkAdapter_Send should have failed with EMSGSIZE (%d): %s", errno, strerror(errno));
parcBitVector_Release(&resultVector);
ccnxMetaMessage_Release(&ccnxMetaMessage);
parcBitVector_Release(&sendVector);
usleep(1000);
ccnxMetaMessage = athenaTransportLinkAdapter_Receive(athenaTransportLinkAdapter, &resultVector, 0);
assertNull(ccnxMetaMessage, "athenaTransportLinkAdapter_Receive should have failed");
int closeResult = athenaTransportLinkAdapter_CloseByName(athenaTransportLinkAdapter, "UDPListener");
assertTrue(closeResult == 0, "athenaTransportLinkAdapter_CloseByName failed (%s)", strerror(errno));
closeResult = athenaTransportLinkAdapter_CloseByName(athenaTransportLinkAdapter, "UDP_1");
assertTrue(closeResult == 0, "athenaTransportLinkAdapter_CloseByName failed (%s)", strerror(errno));
athenaTransportLinkAdapter_Destroy(&athenaTransportLinkAdapter);
}
LONGBOW_TEST_CASE(Global, athenaTransportLinkModuleUDP_P2P)
{
PARCURI *connectionURI;
const char *result;
AthenaTransportLinkAdapter *athenaTransportLinkAdapter = athenaTransportLinkAdapter_Create(_removeLink, NULL);
assertNotNull(athenaTransportLinkAdapter, "athenaTransportLinkAdapter_Create returned NULL");
connectionURI = parcURI_Parse("udp://localhost:40001/src=localhost:40002/name=UDP_0");
result = athenaTransportLinkAdapter_Open(athenaTransportLinkAdapter, connectionURI);
assertTrue(result != NULL, "athenaTransportLinkAdapter_Open failed (%s)", strerror(errno));
parcURI_Release(&connectionURI);
connectionURI = parcURI_Parse("udp://localhost:40002/src=localhost:40001/name=UDP_1");
result = athenaTransportLinkAdapter_Open(athenaTransportLinkAdapter, connectionURI);
assertTrue(result != NULL, "athenaTransportLinkAdapter_Open failed (%s)", strerror(errno));
parcURI_Release(&connectionURI);
CCNxName *name = ccnxName_CreateFromURI("lci:/foo/bar");
CCNxMetaMessage *ccnxMetaMessage = ccnxInterest_CreateSimple(name);
ccnxName_Release(&name);
PARCBitVector *sendVector = parcBitVector_Create();
int linkId = athenaTransportLinkAdapter_LinkNameToId(athenaTransportLinkAdapter, "UDP_1");
parcBitVector_Set(sendVector, linkId);
athena_EncodeMessage(ccnxMetaMessage);
PARCBitVector *resultVector;
resultVector = athenaTransportLinkAdapter_Send(athenaTransportLinkAdapter, ccnxMetaMessage, sendVector);
assertNotNull(resultVector, "athenaTransportLinkAdapter_Send failed");
parcBitVector_Release(&resultVector);
ccnxMetaMessage_Release(&ccnxMetaMessage);
parcBitVector_Release(&sendVector);
usleep(1000);
ccnxMetaMessage = athenaTransportLinkAdapter_Receive(athenaTransportLinkAdapter, &resultVector, 0);
assertNotNull(resultVector, "athenaTransportLinkAdapter_Receive failed");
assertTrue(parcBitVector_NumberOfBitsSet(resultVector) == 1, "athenaTransportLinkAdapter_Receive return message with more than one ingress link");
assertNotNull(ccnxMetaMessage, "athenaTransportLinkAdapter_Receive failed to provide message");
parcBitVector_Release(&resultVector);
ccnxMetaMessage_Release(&ccnxMetaMessage);
athenaTransportLinkAdapter_Destroy(&athenaTransportLinkAdapter);
}
LONGBOW_TEST_CASE(Global, athenaTransportLinkAdapter_SendReceive)
{
PARCURI *connectionURI;
const char *result;
CCNxMetaMessage *receiveMessage;
PARCBitVector *resultVector;
AthenaTransportLinkAdapter *athenaTransportLinkAdapter = athenaTransportLinkAdapter_Create(_removeLink, NULL);
assertNotNull(athenaTransportLinkAdapter, "athenaTransportLinkAdapter_Create returned NULL");
_LoadModule(athenaTransportLinkAdapter, "TCP");
connectionURI = parcURI_Parse("tcp://127.0.0.1:50200/Listener/name=TCPListener");
result = athenaTransportLinkAdapter_Open(athenaTransportLinkAdapter, connectionURI);
assertTrue(result != NULL, "athenaTransportLinkAdapter_Open failed (%s)", strerror(errno));
parcURI_Release(&connectionURI);
receiveMessage = athenaTransportLinkAdapter_Receive(athenaTransportLinkAdapter, &resultVector, 0);
assertNull(resultVector, "Received message when none sent");
connectionURI = parcURI_Parse("tcp://127.0.0.1:50200/name=TCP_1");
result = athenaTransportLinkAdapter_Open(athenaTransportLinkAdapter, connectionURI);
assertTrue(result != NULL, "athenaTransportLinkAdapter_Open failed (%s)", strerror(errno));
parcURI_Release(&connectionURI);
receiveMessage = athenaTransportLinkAdapter_Receive(athenaTransportLinkAdapter, &resultVector, 0);
assertNull(resultVector, "Received message when none sent");
connectionURI = parcURI_Parse("tcp://127.0.0.1:50200/name=TCP_2");
result = athenaTransportLinkAdapter_Open(athenaTransportLinkAdapter, connectionURI);
assertTrue(result != NULL, "athenaTransportLinkAdapter_Open failed (%s)", strerror(errno));
parcURI_Release(&connectionURI);
receiveMessage = athenaTransportLinkAdapter_Receive(athenaTransportLinkAdapter, &resultVector, 0);
assertNull(resultVector, "Received message when none sent");
connectionURI = parcURI_Parse("tcp://127.0.0.1:50200/name=TCP_3");
result = athenaTransportLinkAdapter_Open(athenaTransportLinkAdapter, connectionURI);
assertTrue(result != NULL, "athenaTransportLinkAdapter_Open failed (%s)", strerror(errno));
parcURI_Release(&connectionURI);
receiveMessage = athenaTransportLinkAdapter_Receive(athenaTransportLinkAdapter, &resultVector, 0);
assertNull(resultVector, "Received message when none sent");
connectionURI = parcURI_Parse("tcp://127.0.0.1:50200/name=TCP_4");
result = athenaTransportLinkAdapter_Open(athenaTransportLinkAdapter, connectionURI);
assertTrue(result != NULL, "athenaTransportLinkAdapter_Open failed (%s)", strerror(errno));
parcURI_Release(&connectionURI);
receiveMessage = athenaTransportLinkAdapter_Receive(athenaTransportLinkAdapter, &resultVector, 0);
assertNull(resultVector, "Received message when none sent");
connectionURI = parcURI_Parse("tcp://127.0.0.1:50200/name=TCP_5");
result = athenaTransportLinkAdapter_Open(athenaTransportLinkAdapter, connectionURI);
assertTrue(result != NULL, "athenaTransportLinkAdapter_Open failed (%s)", strerror(errno));
parcURI_Release(&connectionURI);
receiveMessage = athenaTransportLinkAdapter_Receive(athenaTransportLinkAdapter, &resultVector, 0);
assertNull(resultVector, "Received message when none sent");
int closeResult = athenaTransportLinkAdapter_CloseByName(athenaTransportLinkAdapter, "TCP_3");
assertTrue(closeResult == 0, "athenaTransportLinkAdapter_CloseByName failed (%s)", strerror(errno));
connectionURI = parcURI_Parse("tcp://127.0.0.1:50200/name=TCP_3");
result = athenaTransportLinkAdapter_Open(athenaTransportLinkAdapter, connectionURI);
assertTrue(result != NULL, "athenaTransportLinkAdapter_Open failed (%s)", strerror(errno));
parcURI_Release(&connectionURI);
receiveMessage = athenaTransportLinkAdapter_Receive(athenaTransportLinkAdapter, &resultVector, 0);
assertNull(resultVector, "Received message when none sent");
CCNxName *name = ccnxName_CreateFromCString("lci:/foo/bar");
CCNxMetaMessage *sendMessage = ccnxInterest_CreateSimple(name);
ccnxName_Release(&name);
PARCBitVector *linkVector = parcBitVector_Create();
int linkId = athenaTransportLinkAdapter_LinkNameToId(athenaTransportLinkAdapter, "TCP_1");
parcBitVector_Set(linkVector, linkId);
linkId = athenaTransportLinkAdapter_LinkNameToId(athenaTransportLinkAdapter, "TCP_2");
parcBitVector_Set(linkVector, linkId);
linkId = athenaTransportLinkAdapter_LinkNameToId(athenaTransportLinkAdapter, "TCP_3");
parcBitVector_Set(linkVector, linkId);
athena_EncodeMessage(sendMessage);
resultVector = athenaTransportLinkAdapter_Send(athenaTransportLinkAdapter, sendMessage, linkVector);
assertNull(resultVector, "athenaTransportLinkAdapter_Send failed");
usleep(1000);
char *resultString;
receiveMessage = athenaTransportLinkAdapter_Receive(athenaTransportLinkAdapter, &resultVector, -1);
assertNotNull(resultVector, "athenaTransportLinkAdapter_Receive failed");
printf("Receive1 = %s\n", resultString = parcBitVector_ToString(resultVector));
assertTrue(parcBitVector_NumberOfBitsSet(resultVector) > 0, "athenaTransportLinkAdapter_Receive failed");
assertTrue(parcBitVector_NumberOfBitsSet(resultVector) == 1, "athenaTransportLinkAdapter_Receive returned message with more than one ingress link (%s)",
resultString);
parcMemory_Deallocate(&resultString);
parcBitVector_Release(&resultVector);
ccnxMetaMessage_Release(&receiveMessage);
receiveMessage = athenaTransportLinkAdapter_Receive(athenaTransportLinkAdapter, &resultVector, -1);
assertNotNull(resultVector, "athenaTransportLinkAdapter_Receive failed");
printf("Receive2 = %s\n", resultString = parcBitVector_ToString(resultVector));
assertTrue(parcBitVector_NumberOfBitsSet(resultVector) > 0, "athenaTransportLinkAdapter_Receive failed");
assertTrue(parcBitVector_NumberOfBitsSet(resultVector) == 1, "athenaTransportLinkAdapter_Receive returned message with more than one ingress link (%s)",
resultString);
parcMemory_Deallocate(&resultString);
parcBitVector_Release(&resultVector);
ccnxMetaMessage_Release(&receiveMessage);
receiveMessage = athenaTransportLinkAdapter_Receive(athenaTransportLinkAdapter, &resultVector, -1);
assertNotNull(resultVector, "athenaTransportLinkAdapter_Receive failed");
printf("Receive3 = %s\n", resultString = parcBitVector_ToString(resultVector));
assertTrue(parcBitVector_NumberOfBitsSet(resultVector) > 0, "athenaTransportLinkAdapter_Receive failed");
assertTrue(parcBitVector_NumberOfBitsSet(resultVector) == 1, "athenaTransportLinkAdapter_Receive returned message with more than one ingress link (%s)",
resultString);
parcMemory_Deallocate(&resultString);
parcBitVector_Release(&resultVector);
ccnxMetaMessage_Release(&receiveMessage);
closeResult = athenaTransportLinkAdapter_CloseByName(athenaTransportLinkAdapter, "TCP_1");
assertTrue(closeResult == 0, "athenaTransportLinkAdapter_CloseByName failed (%s)", strerror(errno));
closeResult = athenaTransportLinkAdapter_CloseByName(athenaTransportLinkAdapter, "TCP_2");
assertTrue(closeResult == 0, "athenaTransportLinkAdapter_CloseByName failed (%s)", strerror(errno));
resultVector = athenaTransportLinkAdapter_Send(athenaTransportLinkAdapter, sendMessage, linkVector);
assertTrue(parcBitVector_NumberOfBitsSet(resultVector) == 2, "athenaTransportLinkAdapter_Send should have partially failed");
parcBitVector_Release(&linkVector);
parcBitVector_Release(&resultVector);
linkVector = parcBitVector_Create();
parcBitVector_Set(linkVector, 100);
resultVector = athenaTransportLinkAdapter_Send(athenaTransportLinkAdapter, sendMessage, linkVector);
assertTrue(parcBitVector_NumberOfBitsSet(resultVector) == 1, "athenaTransportLinkAdapter_Send should have failed to send to unknown link");
parcBitVector_Release(&resultVector);
parcBitVector_Release(&linkVector);
ccnxMetaMessage_Release(&sendMessage);
athenaTransportLinkAdapter_Destroy(&athenaTransportLinkAdapter);
}
LONGBOW_TEST_CASE(Global, athenaTransportLinkModuleTEMPLATE_SendReceive)
{
PARCURI *connectionURI;
char linkSpecificationURI[MAXPATHLEN];
const char *result;
AthenaTransportLinkAdapter *athenaTransportLinkAdapter = athenaTransportLinkAdapter_Create(_removeLink, NULL);
assertNotNull(athenaTransportLinkAdapter, "athenaTransportLinkAdapter_Create returned NULL");
// Open a link we can send messages on
sprintf(linkSpecificationURI, "template:///name=TEMPLATE_1");
connectionURI = parcURI_Parse(linkSpecificationURI);
result = athenaTransportLinkAdapter_Open(athenaTransportLinkAdapter, connectionURI);
assertTrue(result != NULL, "athenaTransportLinkAdapter_Open failed (%s)", strerror(errno));
parcURI_Release(&connectionURI);
// Enable debug logging after all instances are open
athenaTransportLinkAdapter_SetLogLevel(athenaTransportLinkAdapter, PARCLogLevel_Debug);
// Construct an interest
CCNxName *name = ccnxName_CreateFromCString("lci:/foo/bar");
CCNxMetaMessage *ccnxMetaMessage = ccnxInterest_CreateSimple(name);
ccnxName_Release(&name);
PARCBitVector *sendVector = parcBitVector_Create();
// Send the interest out on the link, this message will also be received by ourself
// since we're sending it to our own MAC destination.
int linkId = athenaTransportLinkAdapter_LinkNameToId(athenaTransportLinkAdapter, "TEMPLATE_1");
parcBitVector_Set(sendVector, linkId);
athena_EncodeMessage(ccnxMetaMessage);
PARCBitVector *resultVector;
resultVector = athenaTransportLinkAdapter_Send(athenaTransportLinkAdapter, ccnxMetaMessage, sendVector);
assertNull(resultVector, "athenaTransportLinkAdapter_Send failed");
// Send the message a second time
resultVector = athenaTransportLinkAdapter_Send(athenaTransportLinkAdapter, ccnxMetaMessage, sendVector);
assertNull(resultVector, "athenaTransportLinkAdapter_Send failed");
parcBitVector_Release(&sendVector);
ccnxMetaMessage_Release(&ccnxMetaMessage);
ccnxMetaMessage = athenaTransportLinkAdapter_Receive(athenaTransportLinkAdapter, &resultVector, 0);
assertNotNull(resultVector, "athenaTransportLinkAdapter_Receive failed");
assertTrue(parcBitVector_NumberOfBitsSet(resultVector) == 1, "athenaTransportLinkAdapter_Receive return message with more than one ingress link");
assertNotNull(ccnxMetaMessage, "athenaTransportLinkAdapter_Receive failed to provide message");
parcBitVector_Release(&resultVector);
ccnxMetaMessage_Release(&ccnxMetaMessage);
// Receive the duplicate
ccnxMetaMessage = athenaTransportLinkAdapter_Receive(athenaTransportLinkAdapter, &resultVector, 0);
assertTrue(ccnxMetaMessage != NULL, "athenaTransportLinkAdapter_Receive failed to receive duplicate message");
parcBitVector_Release(&resultVector);
ccnxMetaMessage_Release(&ccnxMetaMessage);
// Nothing else should remain
ccnxMetaMessage = athenaTransportLinkAdapter_Receive(athenaTransportLinkAdapter, &resultVector, 0);
assertTrue(ccnxMetaMessage == NULL, "athenaTransportLinkAdapter_Receive received extraneous message");
int closeResult = athenaTransportLinkAdapter_CloseByName(athenaTransportLinkAdapter, "TEMPLATE_1");
assertTrue(closeResult == 0, "athenaTransportLinkAdapter_CloseByName failed (%s)", strerror(errno));
athenaTransportLinkAdapter_Destroy(&athenaTransportLinkAdapter);
}
static void
_processInterest(Athena *athena, CCNxInterest *interest, PARCBitVector *ingressVector)
{
uint8_t hoplimit;
//
// * (0) Hoplimit check, exclusively on interest messages
//
int linkId = parcBitVector_NextBitSet(ingressVector, 0);
if (athenaTransportLinkAdapter_IsNotLocal(athena->athenaTransportLinkAdapter, linkId)) {
hoplimit = ccnxInterest_GetHopLimit(interest);
if (hoplimit == 0) {
// We should never receive a message with a hoplimit of 0 from a non-local source.
parcLog_Error(athena->log,
"Received a message with a hoplimit of zero from a non-local source (%s).",
athenaTransportLinkAdapter_LinkIdToName(athena->athenaTransportLinkAdapter, linkId));
return;
}
ccnxInterest_SetHopLimit(interest, hoplimit - 1);
}
//
// * (1) if the interest is in the ContentStore, reply and return,
// assuming that other PIT entries were satisified when the content arrived.
//
CCNxMetaMessage *content = athenaContentStore_GetMatch(athena->athenaContentStore, interest);
if (content) {
const char *ingressVectorString = parcBitVector_ToString(ingressVector);
parcLog_Debug(athena->log, "Forwarding content from store to %s", ingressVectorString);
parcMemory_Deallocate(&ingressVectorString);
PARCBitVector *result = athenaTransportLinkAdapter_Send(athena->athenaTransportLinkAdapter, content, ingressVector);
if (result) { // failed channels - client will resend interest unless we wish to optimize things here
parcBitVector_Release(&result);
}
return;
}
//
// * (2) add it to the PIT, if it was aggregated or there was an error we're done, otherwise we
// forward the interest. The expectedReturnVector is populated with information we get from
// the FIB and used to verify content objects ingress ports when they arrive.
//
PARCBitVector *expectedReturnVector;
AthenaPITResolution result;
if ((result = athenaPIT_AddInterest(athena->athenaPIT, interest, ingressVector, &expectedReturnVector)) != AthenaPITResolution_Forward) {
if (result == AthenaPITResolution_Error) {
parcLog_Error(athena->log, "PIT resolution error");
}
return;
}
// Divert interests destined to the forwarder, we assume these are control messages
CCNxName *ccnxName = ccnxInterest_GetName(interest);
if (ccnxName_StartsWith(ccnxName, athena->athenaName) == true) {
_processInterestControl(athena, interest, ingressVector);
return;
}
//
// * (3) if it's in the FIB, forward, then update the PIT expectedReturnVector so we can verify
// when the returned object arrives that it came from an interface it was expected from.
// Interest messages with a hoplimit of 0 will never be sent out by the link adapter to a
// non-local interface so we need not check that here.
//
ccnxName = ccnxInterest_GetName(interest);
PARCBitVector *egressVector = athenaFIB_Lookup(athena->athenaFIB, ccnxName);
if (egressVector != NULL) {
// Remove the link the interest came from if it was included in the FIB entry
parcBitVector_ClearVector(egressVector, ingressVector);
// If no links remain, send a no route interest return message
if (parcBitVector_NumberOfBitsSet(egressVector) == 0) {
CCNxInterestReturn *interestReturn = ccnxInterestReturn_Create(interest, CCNxInterestReturn_ReturnCode_NoRoute);
PARCBitVector *result = athenaTransportLinkAdapter_Send(athena->athenaTransportLinkAdapter, interestReturn, ingressVector);
parcBitVector_Release(&result);
ccnxInterestReturn_Release(&interestReturn);
} else {
parcBitVector_SetVector(expectedReturnVector, egressVector);
PARCBitVector *result = athenaTransportLinkAdapter_Send(athena->athenaTransportLinkAdapter, interest, egressVector);
if (result) { // remove failed channels - client will resend interest unless we wish to optimize here
parcBitVector_ClearVector(expectedReturnVector, result);
parcBitVector_Release(&result);
}
}
} else {
// No FIB entry found, return a NoRoute interest return and remove the entry from the PIT.
CCNxInterestReturn *interestReturn = ccnxInterestReturn_Create(interest, CCNxInterestReturn_ReturnCode_NoRoute);
PARCBitVector *result = athenaTransportLinkAdapter_Send(athena->athenaTransportLinkAdapter, interestReturn, ingressVector);
parcBitVector_Release(&result);
ccnxInterestReturn_Release(&interestReturn);
const char *name = ccnxName_ToString(ccnxName);
if (athenaPIT_RemoveInterest(athena->athenaPIT, interest, ingressVector) != true) {
parcLog_Error(athena->log, "Unable to remove interest (%s) from the PIT.", name);
}
parcLog_Debug(athena->log, "Name (%s) not found in FIB and no default route. Message dropped.", name);
parcMemory_Deallocate(&name);
}
}
