static bool add_keys(int count)
{
static const ssize_t sz = 10;
char key_buf[sz];
char tag_buf[sz];
char value_buf[sz];
for (int i = 0; i < count; i++) {
KineticEntry entry = {
.key = ByteBuffer_CreateAndAppendFormattedCString(key_buf, sz, "key_%d", i),
.tag = ByteBuffer_CreateAndAppendFormattedCString(tag_buf, sz, "tag_%d", i),
.value = ByteBuffer_CreateAndAppendFormattedCString(value_buf, sz, "val_%d", i),
.algorithm = KINETIC_ALGORITHM_SHA1,
.force = true,
};
KineticStatus status = KineticClient_Put(Fixture.session, &entry, NULL);
TEST_ASSERT_EQUAL_KineticStatus(KINETIC_STATUS_SUCCESS, status);
}
return true;
}
typedef enum { CMD_NEXT, CMD_PREVIOUS } GET_CMD;
static void compare_against_offset_key(GET_CMD cmd, bool metadataOnly)
{
static const ssize_t sz = 10;
char key_buf[sz];
char tag_buf[sz];
char value_buf[sz];
char key_exp_buf[sz];
char value_exp_buf[sz];
const int count = 3;
TEST_ASSERT_TRUE(add_keys(count)); /* add keys [key_X -> test_X] */
int low = 0;
int high = count;
int8_t offset = 0;
switch (cmd) {
case CMD_NEXT:
low = 1;
offset = -1;
break;
case CMD_PREVIOUS:
high = count - 1;
offset = +1;
break;
default:
TEST_ASSERT(false);
}
for (int i = low; i < high; i++) {
ByteBuffer keyBuffer = ByteBuffer_CreateAndAppendFormattedCString(key_buf, sz, "key_%d", i + offset);
ByteBuffer tagBuffer = ByteBuffer_CreateAndAppendFormattedCString(tag_buf, sz, "tag_%d", i + offset);
ByteBuffer valueBuffer = ByteBuffer_Create(value_buf, sz, 0);
printf("KEY '%s'\n", key_buf);
KineticEntry entry = {
.key = keyBuffer,
.tag = tagBuffer,
.value = valueBuffer,
.algorithm = KINETIC_ALGORITHM_SHA1,
.metadataOnly = metadataOnly,
};
KineticStatus status = KINETIC_STATUS_INVALID;
switch (cmd) {
case CMD_NEXT:
status = KineticClient_GetNext(Fixture.session, &entry, NULL);
break;
case CMD_PREVIOUS:
status = KineticClient_GetPrevious(Fixture.session, &entry, NULL);
break;
default:
TEST_ASSERT(false);
}
TEST_ASSERT_EQUAL_KineticStatus(KINETIC_STATUS_SUCCESS, status);
ByteBuffer expectedKeyBuffer = ByteBuffer_CreateAndAppendFormattedCString(key_exp_buf, sz, "key_%d", i);
ByteBuffer expectedValueBuffer = ByteBuffer_CreateAndAppendFormattedCString(value_exp_buf, sz, "val_%d", i);
TEST_ASSERT_EQUAL_ByteBuffer(expectedKeyBuffer, entry.key);
if (!metadataOnly) {
TEST_ASSERT_EQUAL_ByteBuffer(expectedValueBuffer, entry.value);
}
}
}
void test_GetNext_should_retrieve_object_and_metadata_from_device(void)
{
compare_against_offset_key(CMD_NEXT, false);
}
static void do_put_and_getprevious_getnext(KineticSession *session) {
for (int i = 0; i < 3; i++) {
char key[] = "keyX";
key[3] = '0' + i;
ByteBuffer put_key_buf = ByteBuffer_MallocAndAppend(key, strlen(key));
uint8_t value[] = "valueX";
value[5] = '0' + i;
ByteBuffer put_value_buf = ByteBuffer_MallocAndAppend(value, sizeof(value));
/* Populate tag with SHA1 of value */
ByteBuffer put_tag_buf = ByteBuffer_Malloc(20);
uint8_t sha1[20];
SHA1(put_value_buf.array.data, put_value_buf.bytesUsed, &sha1[0]);
ByteBuffer_Append(&put_tag_buf, sha1, sizeof(sha1));
KineticEntry put_entry = {
.key = put_key_buf,
.value = put_value_buf,
.tag = put_tag_buf,
.algorithm = KINETIC_ALGORITHM_SHA1,
/* Set sync to WRITETHROUGH, which will wait to complete
* until the drive has persistend the write. (WRITEBACK
* returns as soon as the drive has buffered the write.) */
.synchronization = KINETIC_SYNCHRONIZATION_WRITETHROUGH,
};
/* Put "keyX" => "valueX", where 'X' is 0..4.
* This will block, because the callback field (arg 3) is NULL. */
KineticStatus status = KineticClient_Put(session, &put_entry, NULL);
printf("Put status: %s\n", Kinetic_GetStatusDescription(status));
ByteBuffer_Free(put_key_buf);
ByteBuffer_Free(put_value_buf);
ByteBuffer_Free(put_tag_buf);
}
printf("\n\n\n");
for (int i = 1; i < 3; i++) {
KineticStatus status = KINETIC_STATUS_INVALID;
static const ssize_t sz = 100;
char key_buf[sz];
char tag_buf[sz];
char value_buf[sz];
ByteBuffer keyBuffer = ByteBuffer_CreateAndAppendFormattedCString(key_buf, sz, "key%d", i);
ByteBuffer tagBuffer = ByteBuffer_CreateAndAppendFormattedCString(tag_buf, sz, "tag%d", i);
ByteBuffer valueBuffer = ByteBuffer_Create(value_buf, sz, 0);
KineticEntry entry = {
.key = keyBuffer,
.tag = tagBuffer,
.value = valueBuffer,
.algorithm = KINETIC_ALGORITHM_SHA1,
};
if (i > 0) {
status = KineticClient_GetPrevious(session, &entry, NULL);
printf("GetPrevious status: %s\n", Kinetic_GetStatusDescription(status));
if (status == KINETIC_STATUS_SUCCESS) {
printf("Previous key before 'key%d': '%s', value '%s'\n",
i, key_buf, value_buf);
}
}
}
for (int i = 0; i < 2; i++) {
KineticStatus status = KINETIC_STATUS_INVALID;
static const ssize_t sz = 100;
char key_buf[sz];
char tag_buf[sz];
char value_buf[sz];
ByteBuffer keyBuffer = ByteBuffer_CreateAndAppendFormattedCString(key_buf, sz, "key%d", i);
ByteBuffer tagBuffer = ByteBuffer_CreateAndAppendFormattedCString(tag_buf, sz, "tag%d", i);
ByteBuffer valueBuffer = ByteBuffer_Create(value_buf, sz, 0);
KineticEntry entry = {
.key = keyBuffer,
.tag = tagBuffer,
.value = valueBuffer,
.algorithm = KINETIC_ALGORITHM_SHA1,
};
if (i < 2) {
status = KineticClient_GetNext(session, &entry, NULL);
printf("GetNext status: %s\n", Kinetic_GetStatusDescription(status));
if (status == KINETIC_STATUS_SUCCESS) {
printf("Next key after 'key%d': '%s', value '%s'\n",
i, key_buf, value_buf);
}
}
}
/* No cleanup necessary */
}
int main(int argc, char** argv)
{
(void)argc;
(void)argv;
// Initialize kinetic-c and configure sessions
KineticSession* session;
KineticClientConfig clientConfig = {
.logFile = "stdout",
.logLevel = 1,
};
KineticClient * client = KineticClient_Init(&clientConfig);
if (client == NULL) { return 1; }
const char HmacKeyString[] = "asdfasdf";
KineticSessionConfig sessionConfig = {
.host = "localhost",
.port = KINETIC_PORT,
.clusterVersion = 0,
.identity = 1,
.hmacKey = ByteArray_CreateWithCString(HmacKeyString),
};
KineticStatus status = KineticClient_CreateSession(&sessionConfig, client, &session);
if (status != KINETIC_STATUS_SUCCESS) {
fprintf(stderr, "Failed connecting to the Kinetic device w/status: %s\n",
Kinetic_GetStatusDescription(status));
exit(1);
}
// Create some entries so that we can query the keys
printf("Storing some entries on the device...\n");
const size_t numKeys = 3;
if (!create_entries(session, numKeys)) {
return 2;
}
// Query a range of keys
const size_t keyLen = 64;
uint8_t startKeyData[keyLen], endKeyData[keyLen];
KineticKeyRange range = {
.startKey = ByteBuffer_CreateAndAppendCString(startKeyData, sizeof(startKeyData), "key_prefix_00"),
.endKey = ByteBuffer_CreateAndAppendCString(endKeyData, sizeof(endKeyData), "key_prefix_01"),
.startKeyInclusive = true,
.endKeyInclusive = true,
.maxReturned = 3,
};
uint8_t keysData[numKeys][keyLen];
ByteBuffer keyBuff[] = {
ByteBuffer_Create(&keysData[0], keyLen, 0),
ByteBuffer_Create(&keysData[1], keyLen, 0),
ByteBuffer_Create(&keysData[2], keyLen, 0),
};
ByteBufferArray keys = {.buffers = &keyBuff[0], .count = numKeys};
status = KineticClient_GetKeyRange(session, &range, &keys, NULL);
if (status != KINETIC_STATUS_SUCCESS) {
fprintf(stderr, "FAILURE: Failed retrieving key range from device!\n");
return 3;
}
if (keys.used != 2) {
fprintf(stderr, "FAILURE: Unexpected number of keys in returned range!\n");
return 4;
};
if (keyBuff[0].bytesUsed != strlen("key_prefix_00")) {
fprintf(stderr, "FAILURE: Key 0 length check failed!\n");
return 4;
}
if (keyBuff[1].bytesUsed != strlen("key_prefix_01")) {
fprintf(stderr, "FAILURE: Key 1 length check failed!\n");
return 4;
}
if (keyBuff[2].bytesUsed != 0) {
fprintf(stderr, "FAILURE: Key 2 was not empty as expected!\n");
return 4;
}
// Shutdown client connection and cleanup
KineticClient_DestroySession(session);
KineticClient_Shutdown(client);
printf("Key range retrieved successfully!\n");
return 0;
}
static bool create_entries(KineticSession * const session, const int count)
{
static const ssize_t sz = 20;
char key_buf[sz];
char value_buf[sz];
for (int i = 0; i < count; i++) {
ByteBuffer KeyBuffer = ByteBuffer_CreateAndAppendFormattedCString(key_buf, sz, "key_prefix_%02d", i);
ByteBuffer ValueBuffer = ByteBuffer_CreateAndAppendFormattedCString(value_buf, sz, "val_%02d", i);
/* Populate tag with SHA1 of value */
ByteBuffer put_tag_buf = ByteBuffer_Malloc(20);
uint8_t sha1[20];
SHA1(ValueBuffer.array.data, ValueBuffer.bytesUsed, &sha1[0]);
ByteBuffer_Append(&put_tag_buf, sha1, sizeof(sha1));
KineticEntry entry = {
.key = KeyBuffer,
.value = ValueBuffer,
.tag = put_tag_buf,
.algorithm = KINETIC_ALGORITHM_SHA1,
.force = true,
.synchronization = KINETIC_SYNCHRONIZATION_WRITETHROUGH,
};
KineticStatus status = KineticClient_Put(session, &entry, NULL);
if (KINETIC_STATUS_SUCCESS != status) { return false; }
}
return true;
}