diff options
Diffstat (limited to 'libccnx-transport-rta/ccnx/transport/transport_rta/components/Flowcontrol_Vegas/test/test_component_Vegas.c')
-rw-r--r-- | libccnx-transport-rta/ccnx/transport/transport_rta/components/Flowcontrol_Vegas/test/test_component_Vegas.c | 696 |
1 files changed, 696 insertions, 0 deletions
diff --git a/libccnx-transport-rta/ccnx/transport/transport_rta/components/Flowcontrol_Vegas/test/test_component_Vegas.c b/libccnx-transport-rta/ccnx/transport/transport_rta/components/Flowcontrol_Vegas/test/test_component_Vegas.c new file mode 100644 index 00000000..2a1cfe73 --- /dev/null +++ b/libccnx-transport-rta/ccnx/transport/transport_rta/components/Flowcontrol_Vegas/test/test_component_Vegas.c @@ -0,0 +1,696 @@ +/* + * Copyright (c) 2017 Cisco and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#define DEBUG_OUTPUT 0 + +#include "../component_Vegas.c" +#include "../vegas_Session.c" + +#include <sys/un.h> +#include <strings.h> +#include <sys/queue.h> + +#include <LongBow/unit-test.h> +#include <LongBow/runtime.h> + +#include <parc/security/parc_Security.h> +#include <parc/security/parc_PublicKeySignerPkcs12Store.h> +#include <parc/algol/parc_SafeMemory.h> + +#include <ccnx/api/notify/notify_Status.h> + +#include <ccnx/transport/test_tools/traffic_tools.h> +#include <ccnx/common/ccnx_ContentObject.h> +#include <ccnx/common/ccnx_NameSegmentNumber.h> + +#include <ccnx/common/internal/ccnx_ValidationFacadeV1.h> + +#include <ccnx/transport/transport_rta/core/rta_Framework.h> +#include <ccnx/transport/transport_rta/core/rta_Framework_NonThreaded.h> +#include <ccnx/transport/transport_rta/core/rta_ProtocolStack.c> +#include <ccnx/transport/transport_rta/core/rta_Connection.c> +#include <ccnx/transport/transport_rta/config/config_All.h> +#include <ccnx/transport/test_tools/traffic_tools.h> + +#include "../../test/testrig_MockFramework.c" + +#ifndef MAXPATH +#define MAXPATH 1024 +#endif + +// file descriptor for random numbers, part of Fixture +static int randomFd; + +typedef struct test_data { + MockFramework *mock; + char keystore_filename[MAXPATH]; + char keystore_password[MAXPATH]; +} TestData; + +static CCNxTransportConfig * +createParams(const char *keystore_name, const char *keystore_passwd) +{ + assertNotNull(keystore_name, "Got null keystore name\n"); + assertNotNull(keystore_passwd, "Got null keystore passwd\n"); + + CCNxStackConfig *stackConfig = apiConnector_ProtocolStackConfig( + testingUpper_ProtocolStackConfig( + vegasFlowController_ProtocolStackConfig( + testingLower_ProtocolStackConfig( + protocolStack_ComponentsConfigArgs(ccnxStackConfig_Create(), + apiConnector_GetName(), + testingUpper_GetName(), + vegasFlowController_GetName(), + testingLower_GetName(), + NULL))))); + + CCNxConnectionConfig *connConfig = apiConnector_ConnectionConfig( + testingUpper_ConnectionConfig( + vegasFlowController_ConnectionConfig( + tlvCodec_ConnectionConfig( + testingLower_ConnectionConfig(ccnxConnectionConfig_Create()))))); + + publicKeySignerPkcs12Store_ConnectionConfig(connConfig, keystore_name, keystore_passwd); + + CCNxTransportConfig *result = ccnxTransportConfig_Create(stackConfig, connConfig); + ccnxStackConfig_Release(&stackConfig); + return result; +} + +static TestData * +_commonSetup(const char *name) +{ + parcSecurity_Init(); + + TestData *data = parcMemory_AllocateAndClear(sizeof(TestData)); + assertNotNull(data, "parcMemory_AllocateAndClear(%zu) returned NULL", sizeof(TestData)); + + sprintf(data->keystore_filename, "/tmp/keystore_%s_%d.p12", name, getpid()); + sprintf(data->keystore_password, "12345"); + + unlink(data->keystore_filename); + + CCNxTransportConfig *config = createParams(data->keystore_filename, data->keystore_password); + data->mock = mockFramework_Create(config); + ccnxTransportConfig_Destroy(&config); + return data; +} + +static void +_commonTeardown(TestData *data) +{ + mockFramework_Destroy(&data->mock); + unlink(data->keystore_filename); + parcMemory_Deallocate((void **) &data); + + parcSecurity_Fini(); +} + +// ====================================================== + +LONGBOW_TEST_RUNNER(Fc_Vegas) +{ + LONGBOW_RUN_TEST_FIXTURE(Component); +} + +LONGBOW_TEST_RUNNER_SETUP(Fc_Vegas) +{ + parcMemory_SetInterface(&PARCSafeMemoryAsPARCMemory); + + randomFd = open("/dev/urandom", O_RDONLY); + + return LONGBOW_STATUS_SUCCEEDED; +} + +LONGBOW_TEST_RUNNER_TEARDOWN(Fc_Vegas) +{ + close(randomFd); + return LONGBOW_STATUS_SUCCEEDED; +} + +// ============================================================== + +LONGBOW_TEST_FIXTURE(Local) +{ + LONGBOW_RUN_TEST_CASE(Local, vegasSession_GetFinalBlockIdFromContentObject_None); + LONGBOW_RUN_TEST_CASE(Local, vegasSession_GetFinalBlockIdFromContentObject_TestCases); + + LONGBOW_RUN_TEST_CASE(Local, vegasSession_GetSegnumFromObject); +} + +LONGBOW_TEST_FIXTURE_SETUP(Local) +{ + longBowTestCase_SetClipBoardData(testCase, _commonSetup(longBowTestCase_GetName(testCase))); + return LONGBOW_STATUS_SUCCEEDED; +} + +LONGBOW_TEST_FIXTURE_TEARDOWN(Local) +{ + _commonTeardown(longBowTestCase_GetClipBoardData(testCase)); + uint32_t outstandingAllocations = parcSafeMemory_ReportAllocation(STDERR_FILENO); + if (outstandingAllocations != 0) { + printf("%s leaks memory by %d allocations\n", longBowTestCase_GetName(testCase), outstandingAllocations); + return LONGBOW_STATUS_MEMORYLEAK; + } + return LONGBOW_STATUS_SUCCEEDED; +} + +static CCNxTlvDictionary * +createSignedContentObject(void) +{ + CCNxName *name = ccnxName_CreateFromCString("lci:/some/name"); + PARCBuffer *payload = parcBuffer_Flip(parcBuffer_PutArray(parcBuffer_Allocate(20), 11, (uint8_t *) "the payload")); + CCNxTlvDictionary *contentObject = ccnxContentObject_CreateWithNameAndPayload(name, payload); + parcBuffer_Release(&payload); + ccnxName_Release(&name); + + PARCBuffer *keyid = parcBuffer_Flip(parcBuffer_PutArray(parcBuffer_Allocate(20), 5, (uint8_t *) "keyid")); + ccnxValidationRsaSha256_Set(contentObject, keyid, NULL); + parcBuffer_Release(&keyid); + + PARCBuffer *sigbits = parcBuffer_WrapCString("the signature"); + PARCSignature *signature = parcSignature_Create(PARCSigningAlgorithm_RSA, PARCCryptoHashType_SHA256, parcBuffer_Flip(sigbits)); + ccnxContentObject_SetSignature(contentObject, keyid, signature, NULL); + + parcSignature_Release(&signature); + parcBuffer_Release(&sigbits); + + return contentObject; +} + +static CCNxTlvDictionary * +createSignedContentObjectWithFinalBlockId(uint64_t fbid) +{ + CCNxTlvDictionary *obj = createSignedContentObject(); + ccnxContentObject_SetFinalChunkNumber(obj, fbid); + + return obj; +} + +LONGBOW_TEST_CASE(Local, vegasSession_GetFinalBlockIdFromContentObject_None) +{ + CCNxTlvDictionary *contentObjectDictionary = createSignedContentObject(); + bool success = vegasSession_GetFinalBlockIdFromContentObject(contentObjectDictionary, NULL); + assertFalse(success, "Should have failed getting FBID from content object"); + ccnxTlvDictionary_Release(&contentObjectDictionary); +} + +LONGBOW_TEST_CASE(Local, vegasSession_GetFinalBlockIdFromContentObject_TestCases) +{ + struct test_struct { + uint64_t value; + size_t encodedBytes; + uint8_t *encoded; + } test_vector[] = { + { .value = 0x0000000000000000ULL, .encodedBytes = 1, .encoded = (uint8_t[1]) { 0x00 } }, + { .value = 0x0000000000000001ULL, .encodedBytes = 1, .encoded = (uint8_t[1]) { 0x01 } }, + { .value = 0x00000000000000FFULL, .encodedBytes = 1, .encoded = (uint8_t[1]) { 0xFF } }, + { .value = 0x0000000000000100ULL, .encodedBytes = 2, .encoded = (uint8_t[2]) { 0x01, 0x00} }, + { .value = 0x0100000000000100ULL, .encodedBytes = 8, .encoded = (uint8_t[8]) { 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00} }, + { .value = 0x8000000000000100ULL, .encodedBytes = 8, .encoded = (uint8_t[8]) { 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00} }, + { .value = 0xFFFFFFFFFFFFFFFFULL, .encodedBytes = 8, .encoded = (uint8_t[8]) { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF} }, + { .value = 0, .encodedBytes = 0, .encoded = NULL } + }; + + for (int i = 0; test_vector[i].encoded != NULL; i++) { + CCNxTlvDictionary *signed_with_fbid = createSignedContentObjectWithFinalBlockId(test_vector[i].value); + + uint64_t testvalue = -1; + bool success = vegasSession_GetFinalBlockIdFromContentObject(signed_with_fbid, &testvalue); + assertTrue(success, "Failed to get FBID from content object index %d value %016" PRIx64 "\n", + i, + test_vector[i].value) + { + ccnxTlvDictionary_Display(signed_with_fbid, 0); + } + + + assertTrue(testvalue == test_vector[i].value, + "Segment number does not match index %d value %016" PRIx64 ": got %" PRIx64 "\n", + i, + test_vector[i].value, + testvalue); + + ccnxTlvDictionary_Release(&signed_with_fbid); + } +} + +LONGBOW_TEST_CASE(Local, vegasSession_GetSegnumFromObject) +{ + struct test_struct { + bool valid; + uint64_t segnum; + char *uri; + } test_vectors[] = { + { .valid = false, .segnum = 0, .uri = "lci:/foo/bar" }, + { .valid = true, .segnum = 0, .uri = "lci:/foo/" CCNxNameLabel_Chunk "=%00" }, + { .valid = true, .segnum = 0x1020, .uri = "lci:/foo/" CCNxNameLabel_Chunk "=%10%20" }, + { .valid = true, .segnum = 0x6162, .uri = "lci:/foo/" CCNxNameLabel_Chunk "=ab" }, + { .valid = true, .segnum = 0x616263, .uri = "lci:/foo/" CCNxNameLabel_Chunk "=abc" }, + { .valid = true, .segnum = 0x61626364, .uri = "lci:/foo/" CCNxNameLabel_Chunk "=abcd" }, + { .valid = true, .segnum = 0x6162636465, .uri = "lci:/foo/" CCNxNameLabel_Chunk "=abcde" }, + { .valid = true, .segnum = 0x616263646566, .uri = "lci:/foo/" CCNxNameLabel_Chunk "=abcdef" }, + { .valid = true, .segnum = 0x61626364656667, .uri = "lci:/foo/" CCNxNameLabel_Chunk "=abcdefg" }, + { .valid = true, .segnum = 0x6162636465666768, .uri = "lci:/foo/" CCNxNameLabel_Chunk "=abcdefgh" }, + { .valid = false, .segnum = 0, .uri = NULL } + }; + + for (int i = 0; test_vectors[i].uri != NULL; i++) { + CCNxName *name = ccnxName_CreateFromCString(test_vectors[i].uri); + CCNxTlvDictionary *contentObject = ccnxContentObject_CreateWithNameAndPayload(name, NULL); + + uint64_t testSeqnum = -1; + int failure = vegasSession_GetSegnumFromObject(contentObject, &testSeqnum); + + + + if (test_vectors[i].valid) { + assertFalse(failure, "Incorrect success index %d: got %d expected %d", + i, failure, test_vectors[i].valid); + + assertTrue(testSeqnum == test_vectors[i].segnum, "Incorrect segnum index %d, got %" PRIu64 " expected %" PRIu64, + i, testSeqnum, test_vectors[i].segnum); + } else { + assertTrue(failure, "Incorrect success index %d: got %d expected %d", + i, failure, test_vectors[i].valid); + } + + ccnxName_Release(&name); + ccnxTlvDictionary_Release(&contentObject); + } +} + +// ============================================================== + +LONGBOW_TEST_FIXTURE(Component) +{ + LONGBOW_RUN_TEST_CASE(Component, open_close); + + // these should all be pass through + LONGBOW_RUN_TEST_CASE(Component, content_object_down); + LONGBOW_RUN_TEST_CASE(Component, control_msg_down); + LONGBOW_RUN_TEST_CASE(Component, interest_up); + LONGBOW_RUN_TEST_CASE(Component, control_msg_up); + LONGBOW_RUN_TEST_CASE(Component, cancel_flow); +} + +LONGBOW_TEST_FIXTURE_SETUP(Component) +{ + longBowTestCase_SetClipBoardData(testCase, _commonSetup(longBowTestCase_GetName(testCase))); + return LONGBOW_STATUS_SUCCEEDED; +} + +LONGBOW_TEST_FIXTURE_TEARDOWN(Component) +{ + _commonTeardown(longBowTestCase_GetClipBoardData(testCase)); + + uint32_t outstandingAllocations = parcSafeMemory_ReportAllocation(STDERR_FILENO); + if (outstandingAllocations != 0) { + printf("%s leaks memory by %d allocations\n", longBowTestCase_GetName(testCase), outstandingAllocations); + return LONGBOW_STATUS_MEMORYLEAK; + } + return LONGBOW_STATUS_SUCCEEDED; +} + +// ============================================ + +LONGBOW_TEST_CASE(Component, open_close) +{ + // dont actually do anything. make sure no memory leaks in setup and teardown. +} + + +// ============================================ +// Passthrough messages + +LONGBOW_TEST_CASE(Component, content_object_down) +{ + TestData *data = longBowTestCase_GetClipBoardData(testCase); + + TransportMessage *truth_tm = trafficTools_CreateTransportMessageWithSignedContentObject(data->mock->connection); + + PARCEventQueue *in = rtaProtocolStack_GetPutQueue(data->mock->stack, TESTING_UPPER, RTA_DOWN); + PARCEventQueue *read = rtaProtocolStack_GetPutQueue(data->mock->stack, FC_VEGAS, RTA_UP); + PARCEventQueue *out = rtaProtocolStack_GetPutQueue(data->mock->stack, TESTING_LOWER, RTA_UP); + + rtaComponent_PutMessage(in, truth_tm); + rtaFramework_NonThreadedStep(data->mock->framework); + flow_vegas_ops.downcallRead(read, PARCEventType_Read, (void *) data->mock->stack); + rtaFramework_NonThreadedStep(data->mock->framework); + + TransportMessage *test_tm = rtaComponent_GetMessage(out); + + assertTrue(test_tm == truth_tm, + "Got wrong transport message pointer, got %p expected %p", + (void *) test_tm, + (void *) truth_tm); + + transportMessage_Destroy(&truth_tm); +} + +LONGBOW_TEST_CASE(Component, control_msg_down) +{ + TestData *data = longBowTestCase_GetClipBoardData(testCase); + + TransportMessage *truth_tm = trafficTools_CreateTransportMessageWithControlMessage(data->mock->connection); + + PARCEventQueue *in = rtaProtocolStack_GetPutQueue(data->mock->stack, TESTING_UPPER, RTA_DOWN); + PARCEventQueue *read = rtaProtocolStack_GetPutQueue(data->mock->stack, FC_VEGAS, RTA_UP); + PARCEventQueue *out = rtaProtocolStack_GetPutQueue(data->mock->stack, TESTING_LOWER, RTA_UP); + + rtaComponent_PutMessage(in, truth_tm); + rtaFramework_NonThreadedStep(data->mock->framework); + flow_vegas_ops.downcallRead(read, PARCEventType_Read, (void *) data->mock->stack); + rtaFramework_NonThreadedStep(data->mock->framework); + TransportMessage *test_tm = rtaComponent_GetMessage(out); + + assertTrue(test_tm == truth_tm, + "Got wrong transport message pointer, got %p expected %p", + (void *) test_tm, + (void *) truth_tm); + + transportMessage_Destroy(&truth_tm); +} + +LONGBOW_TEST_CASE(Component, interest_up) +{ + TestData *data = longBowTestCase_GetClipBoardData(testCase); + + TransportMessage *truth_tm = trafficTools_CreateTransportMessageWithInterest(data->mock->connection); + + PARCEventQueue *out = rtaProtocolStack_GetPutQueue(data->mock->stack, TESTING_UPPER, RTA_DOWN); + PARCEventQueue *read = rtaProtocolStack_GetPutQueue(data->mock->stack, FC_VEGAS, RTA_DOWN); + PARCEventQueue *in = rtaProtocolStack_GetPutQueue(data->mock->stack, TESTING_LOWER, RTA_UP); + + rtaComponent_PutMessage(in, truth_tm); + rtaFramework_NonThreadedStep(data->mock->framework); + flow_vegas_ops.upcallRead(read, PARCEventType_Read, (void *) data->mock->stack); + rtaFramework_NonThreadedStep(data->mock->framework); + TransportMessage *test_tm = rtaComponent_GetMessage(out); + + assertTrue(test_tm == truth_tm, + "Got wrong transport message pointer, got %p expected %p", + (void *) test_tm, + (void *) truth_tm); + + transportMessage_Destroy(&truth_tm); +} + +LONGBOW_TEST_CASE(Component, control_msg_up) +{ + TestData *data = longBowTestCase_GetClipBoardData(testCase); + + TransportMessage *truth_tm = trafficTools_CreateTransportMessageWithControlMessage(data->mock->connection); + + PARCEventQueue *out = rtaProtocolStack_GetPutQueue(data->mock->stack, TESTING_UPPER, RTA_DOWN); + PARCEventQueue *read = rtaProtocolStack_GetPutQueue(data->mock->stack, FC_VEGAS, RTA_DOWN); + PARCEventQueue *in = rtaProtocolStack_GetPutQueue(data->mock->stack, TESTING_LOWER, RTA_UP); + + rtaComponent_PutMessage(in, truth_tm); + rtaFramework_NonThreadedStep(data->mock->framework); + flow_vegas_ops.upcallRead(read, PARCEventType_Read, (void *) data->mock->stack); + rtaFramework_NonThreadedStep(data->mock->framework); + TransportMessage *test_tm = rtaComponent_GetMessage(out); + + assertTrue(test_tm == truth_tm, + "Got wrong transport message pointer, got %p expected %p", + (void *) test_tm, + (void *) truth_tm); + + transportMessage_Destroy(&test_tm); +} + +// ============================================ +// These should start a flow control session + +/** + * Creates an interest w/o a segment number + * Sends it down the stack to the flow controller + * Flow controller should append segment number 0 to the interest and send that down the stack + */ +LONGBOW_TEST_CASE(Component, interest_down) +{ + TestData *data = longBowTestCase_GetClipBoardData(testCase); + + TransportMessage *truth_tm = trafficTools_CreateTransportMessageWithInterest(data->mock->connection); + + // If we can, add a payload to the Interest. Why not. + PARCBuffer *payload = NULL; + CCNxInterest *interest = transportMessage_GetDictionary(truth_tm); + CCNxInterestInterface *impl = ccnxInterestInterface_GetInterface(interest); + if (impl != NULL && impl != &CCNxInterestFacadeV1_Implementation) { + // V1 or greater should support Interest payloads. + payload = parcBuffer_WrapCString("This is a payload."); + impl->setPayload(interest, payload); + } + + PARCEventQueue *in = rtaProtocolStack_GetPutQueue(data->mock->stack, TESTING_UPPER, RTA_DOWN); + PARCEventQueue *read = rtaProtocolStack_GetPutQueue(data->mock->stack, FC_VEGAS, RTA_UP); + PARCEventQueue *out = rtaProtocolStack_GetPutQueue(data->mock->stack, TESTING_LOWER, RTA_UP); + + rtaComponent_PutMessage(in, truth_tm); + rtaFramework_NonThreadedStep(data->mock->framework); + flow_vegas_ops.downcallRead(read, PARCEventType_Read, (void *) data->mock->stack); + rtaFramework_NonThreadedStep(data->mock->framework); + + // we should see a status message up the stack and interests + // going down the stack. + + + TransportMessage *test_tm = rtaComponent_GetMessage(in); + assertNotNull(test_tm, "got null transport message back up the queue, expecting status\n"); + + assertTrue(transportMessage_IsControl(test_tm), + "Transport message is not a control object") + { + ccnxTlvDictionary_Display(transportMessage_GetDictionary(test_tm), 0); + } + + CCNxTlvDictionary *test_dict = transportMessage_GetDictionary(test_tm); + + PARCJSON *json = ccnxControlFacade_GetJson(test_dict); + + NotifyStatus *status = notifyStatus_ParseJSON(json); + + assertNotNull(status, "Could not parse NotifyStatus JSON message"); + assertTrue(notifyStatus_GetFiledes(status) == data->mock->connection->api_fd, + "Expected file descriptor %d, actual %d\n", data->mock->connection->api_fd, notifyStatus_GetFiledes(status)); + + assertTrue(notifyStatus_IsFlowControlStarted(status), + "Expected notifyStatus_IsFlowControlStarted to be true, actual code %d", notifyStatus_GetStatusCode(status)); + + notifyStatus_Release(&status); + + transportMessage_Destroy(&test_tm); + + // Read segment 0 interest + trafficTools_ReadAndVerifySegment(out, ccnxInterest_GetName(transportMessage_GetDictionary(truth_tm)), 0, payload); + + // Now read segment 1 + trafficTools_ReadAndVerifySegment(out, ccnxInterest_GetName(transportMessage_GetDictionary(truth_tm)), 1, payload); + + if (payload != NULL) { + parcBuffer_Release(&payload); + } + + transportMessage_Destroy(&truth_tm); +} + + +LONGBOW_TEST_CASE(Component, interest_down_slow_retransmit) +{ + TestData *data = longBowTestCase_GetClipBoardData(testCase); + + TransportMessage *truth_tm = trafficTools_CreateTransportMessageWithInterest(data->mock->connection); + + VegasConnectionState *fc; + FcSessionHolder *holder; + + PARCEventQueue *in = rtaProtocolStack_GetPutQueue(data->mock->stack, TESTING_UPPER, RTA_DOWN); + PARCEventQueue *read = rtaProtocolStack_GetPutQueue(data->mock->stack, FC_VEGAS, RTA_UP); + PARCEventQueue *out = rtaProtocolStack_GetPutQueue(data->mock->stack, TESTING_LOWER, RTA_UP); + + rtaComponent_PutMessage(in, truth_tm); + rtaFramework_NonThreadedStep(data->mock->framework); + flow_vegas_ops.downcallRead(read, PARCEventType_Read, (void *) data->mock->stack); + rtaFramework_NonThreadedStep(data->mock->framework); + + // -------------------------------------- + // Read segment 0 interest + CCNxTlvDictionary *interest = transportMessage_GetDictionary(truth_tm); + + trafficTools_ReadAndVerifySegment(out, ccnxInterest_GetName(interest), 0, NULL); + + // Now read segment 1 + trafficTools_ReadAndVerifySegment(out, ccnxInterest_GetName(interest), 1, NULL); + + // -------------------------------------- + // now bump the time and see what happens. + // these are normally set in the timer sallback + fc = rtaConnection_GetPrivateData(data->mock->connection, FC_VEGAS); + holder = TAILQ_FIRST(&fc->sessions_head); + assertNotNull(holder, "got null session holder"); + + printf("*** bump time\n"); + + data->mock->framework->clock_ticks += 1001; + + // RTO timeout will be 1 second + vegasSession_TimerCallback(-1, PARCEventType_Timeout, holder->session); + trafficTools_ReadAndVerifySegment(out, ccnxInterest_GetName(interest), 0, NULL); + + transportMessage_Destroy(&truth_tm); +} + + +LONGBOW_TEST_CASE(Component, interest_down_fast_retransmit) +{ + TestData *data = longBowTestCase_GetClipBoardData(testCase); + + TransportMessage *truth_tm = trafficTools_CreateTransportMessageWithInterest(data->mock->connection); + + CCNxName *basename, *segmentname; + VegasConnectionState *fc; + FcSessionHolder *holder; + + PARCEventQueue *in = rtaProtocolStack_GetPutQueue(data->mock->stack, TESTING_UPPER, RTA_DOWN); + PARCEventQueue *read = rtaProtocolStack_GetPutQueue(data->mock->stack, FC_VEGAS, RTA_UP); + PARCEventQueue *out = rtaProtocolStack_GetPutQueue(data->mock->stack, TESTING_LOWER, RTA_UP); + + rtaComponent_PutMessage(in, truth_tm); + rtaFramework_NonThreadedStep(data->mock->framework); + flow_vegas_ops.downcallRead(read, PARCEventType_Read, (void *) data->mock->stack); + rtaFramework_NonThreadedStep(data->mock->framework); + + // -------------------------------------- + // Read segment 0 interest + CCNxTlvDictionary *interest = transportMessage_GetDictionary(truth_tm); + + trafficTools_ReadAndVerifySegment(out, ccnxInterest_GetName(interest), 0, NULL); + + // Now read segment 1 + trafficTools_ReadAndVerifySegment(out, ccnxInterest_GetName(interest), 1, NULL); + + // -------------------------------------- + // now bump the time and see what happens. + // these are normally set in the timer sallback + fc = rtaConnection_GetPrivateData(data->mock->connection, FC_VEGAS); + holder = TAILQ_FIRST(&fc->sessions_head); + assertNotNull(holder, "got null session holder"); + + + data->mock->framework->clock_ticks += 20; + printf("*** bump time %" PRIu64 "\n", data->mock->framework->clock_ticks); + vegasSession_TimerCallback(-1, PARCEventType_Timeout, holder->session); + + // -------------------------------------- + // send an out-of-order content object, should see a fast retransmit + + basename = ccnxName_Copy(ccnxInterest_GetName(interest)); + segmentname = ccnxName_Copy(basename); + + CCNxNameSegment *segment = ccnxNameSegmentNumber_Create(CCNxNameLabelType_CHUNK, 1); + ccnxName_Append(segmentname, segment); + ccnxNameSegment_Release(&segment); + + transportMessage_Destroy(&truth_tm); + + // this takes ownership of segment name + TransportMessage *reply = + trafficTools_CreateTransportMessageWithSignedContentObjectWithName(data->mock->connection, + segmentname, data->keystore_filename, data->keystore_password); + + rtaComponent_PutMessage(out, reply); + + data->mock->framework->clock_ticks += 40; + printf("*** bump time %" PRIu64 "\n", data->mock->framework->clock_ticks); + rtaFramework_NonThreadedStepCount(data->mock->framework, 5); + vegasSession_TimerCallback(-1, PARCEventType_Timeout, holder->session); + + trafficTools_ReadAndVerifySegment(out, basename, 0, NULL); + + ccnxName_Release(&segmentname); + ccnxName_Release(&basename); +} + +/** + * Send an interest down the stack to start a flow controller, then send + * a control message to cancel it. + */ +LONGBOW_TEST_CASE(Component, cancel_flow) +{ + TestData *data = longBowTestCase_GetClipBoardData(testCase); + + TransportMessage *truth_tm = trafficTools_CreateTransportMessageWithInterest(data->mock->connection); + + PARCEventQueue *in = rtaProtocolStack_GetPutQueue(data->mock->stack, TESTING_UPPER, RTA_DOWN); + + CCNxName *flowName = ccnxName_Acquire(ccnxInterest_GetName(transportMessage_GetDictionary(truth_tm))); + + // ================================ + // This will signal to the flow controller that it should start a flow + // We give up ownership of "truth_tm" at this point + rtaComponent_PutMessage(in, truth_tm); + rtaFramework_NonThreadedStepCount(data->mock->framework, 5); + + // ================================ + // we should see a status message up the stack + + TransportMessage *test_tm = rtaComponent_GetMessage(in); + assertNotNull(test_tm, "got null transport message back up the queue, expecting status\n"); + + assertTrue(transportMessage_IsControl(test_tm), "Transport message is not a Control") + { + ccnxTlvDictionary_Display(transportMessage_GetDictionary(test_tm), 0); + } + + CCNxTlvDictionary *controlDictionary = transportMessage_GetDictionary(test_tm); + + PARCJSON *json = ccnxControlFacade_GetJson(controlDictionary); + + NotifyStatus *status = notifyStatus_ParseJSON(json); + assertTrue(notifyStatus_IsFlowControlStarted(status), + "Expected notifyStatus_IsFlowControlStarted to be true. Actual code %d\n", notifyStatus_GetStatusCode(status)); + notifyStatus_Release(&status); + + // ================================ + // After the notification, the flow is "started" and we can cancel it + + // Now that its started, send a cancel + PARCJSON *cancelFlow = cpiCancelFlow_Create(flowName); + CCNxTlvDictionary *cancelDictionary = ccnxControlFacade_CreateCPI(cancelFlow); + parcJSON_Release(&cancelFlow); + + TransportMessage *cancelTm = transportMessage_CreateFromDictionary(cancelDictionary); + transportMessage_SetInfo(cancelTm, rtaConnection_Copy(data->mock->connection), rtaConnection_FreeFunc); + rtaComponent_PutMessage(in, cancelTm); + rtaFramework_NonThreadedStepCount(data->mock->framework, 5); + + // now verify that its gone + VegasConnectionState *fc = rtaConnection_GetPrivateData(data->mock->connection, FC_VEGAS); + FcSessionHolder *holder = TAILQ_FIRST(&fc->sessions_head); + assertNull(holder, "The session list is not empty!"); + + ccnxTlvDictionary_Release(&cancelDictionary); + transportMessage_Destroy(&test_tm); + ccnxName_Release(&flowName); +} + +int +main(int argc, char *argv[]) +{ + LongBowRunner *testRunner = LONGBOW_TEST_RUNNER_CREATE(Fc_Vegas); + exit(longBowMain(argc, argv, testRunner, NULL)); +} |