static char* test_encode_and_decode_compressed_large()
{
const int64_t limit = INT64_C(3600) * 1000 * 1000;
struct hdr_histogram* actual = NULL;
struct hdr_histogram* expected = NULL;
uint8_t* buffer = NULL;
size_t len = 0;
int rc = 0;
hdr_init(1, limit, 4, &expected);
srand(5);
int i;
for (i = 0; i < 8070; i++)
{
hdr_record_value(expected, rand() % limit);
}
rc = hdr_encode_compressed(expected, &buffer, &len);
mu_assert("Did not encode", validate_return_code(rc));
rc = hdr_decode_compressed(buffer, len, &actual);
mu_assert("Did not decode", validate_return_code(rc));
mu_assert("Loaded histogram is null", actual != NULL);
mu_assert(
"Comparison did not match",
compare_histogram(expected, actual));
free(expected);
free(actual);
return 0;
}
static char* test_encode_and_decode_compressed2()
{
load_histograms();
uint8_t* buffer = NULL;
size_t len = 0;
int rc = 0;
struct hdr_histogram* actual = NULL;
struct hdr_histogram* expected = cor_histogram;
rc = hdr_encode_compressed(expected, &buffer, &len);
mu_assert("Did not encode", validate_return_code(rc));
rc = hdr_decode_compressed(buffer, len, &actual);
mu_assert("Did not decode", validate_return_code(rc));
mu_assert("Loaded histogram is null", actual != NULL);
mu_assert(
"Comparison did not match",
compare_histogram(expected, actual));
free(actual);
return 0;
}
static char* test_encode_and_decode_base64()
{
load_histograms();
uint8_t* buffer = NULL;
uint8_t* decoded = NULL;
char* encoded = NULL;
size_t len = 0;
int rc = 0;
rc = hdr_encode_compressed(cor_histogram, &buffer, &len);
mu_assert("Did not encode", validate_return_code(rc));
size_t encoded_len = hdr_base64_encoded_len(len);
size_t decoded_len = hdr_base64_decoded_len(encoded_len);
encoded = calloc(encoded_len + 1, sizeof(char));
decoded = calloc(decoded_len, sizeof(uint8_t));
hdr_base64_encode(buffer, len, encoded, encoded_len);
hdr_base64_decode(encoded, encoded_len, decoded, decoded_len);
mu_assert("Should be same", memcmp(buffer, decoded, len) == 0);
return 0;
}
ERL_NIF_TERM _hh_to_binary(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
{
hh_ctx_t* ctx = NULL;
ErlNifBinary target;
ErlNifResourceType* ctx_type = get_hh_ctx_type(env);
if (argc != 1 ||
ctx_type == NULL ||
!enif_get_resource(env, argv[0], ctx_type, (void **)&ctx))
{
return enif_make_badarg(env);
}
int size = 0;
uint8_t* data = NULL;
int success = hdr_encode_compressed(ctx->data, &data, &size);
if (!enif_alloc_binary(size, &target))
{
return make_error(env, "bad_hdr_binary_alloc");
}
target.size = size;
memcpy(target.data,data,size);
free(data);
if (success != 0)
{
return make_error(env, "bad_hdr_binary");
}
return enif_make_binary(env, &target);
}
int hdr_log_encode(struct hdr_histogram* histogram, char** encoded_histogram)
{
char *encoded_histogram_tmp = NULL;
uint8_t* compressed_histogram = NULL;
size_t compressed_len = 0;
int rc = 0;
int result = 0;
size_t encoded_len;
rc = hdr_encode_compressed(histogram, &compressed_histogram, &compressed_len);
if (rc != 0)
{
FAIL_AND_CLEANUP(cleanup, result, rc);
}
encoded_len = hdr_base64_encoded_len(compressed_len);
encoded_histogram_tmp = calloc(encoded_len + 1, sizeof(char));
rc = hdr_base64_encode(
compressed_histogram, compressed_len, encoded_histogram_tmp, encoded_len);
if (rc != 0)
{
FAIL_AND_CLEANUP(cleanup, result, rc);
}
*encoded_histogram = encoded_histogram_tmp;
cleanup:
free(compressed_histogram);
return result;
}
static char* test_encode_and_decode_compressed()
{
load_histograms();
size_t raw_histogram_size = hdr_get_memory_size(raw_histogram);
uint8_t* buffer = (uint8_t*) malloc(hdr_get_memory_size(raw_histogram));
size_t encode_result = hdr_encode_compressed(raw_histogram, buffer, raw_histogram_size);
mu_assert("Did not encode", encode_result == 0);
int32_t compressed_length = hdr_get_compressed_length(buffer);
struct hdr_histogram* loaded_histogram = NULL;
int decode_result = hdr_decode_compressed(buffer, compressed_length, &loaded_histogram);
if (decode_result != 0)
{
printf("%s\n", hdr_strerror(decode_result));
}
mu_assert("Did not decode", decode_result == 0);
mu_assert("Loaded histogram is null", loaded_histogram != NULL);
int compare_result = memcmp(raw_histogram, loaded_histogram, raw_histogram_size);
mu_assert("Comparison did not match", compare_result == 0);
return 0;
}
int hdr_log_write(
struct hdr_log_writer* writer,
FILE* file,
const struct timespec* start_timestamp,
const struct timespec* end_timestamp,
struct hdr_histogram* histogram)
{
uint8_t* compressed_histogram = NULL;
size_t compressed_len = 0;
char* encoded_histogram = NULL;
int rc = 0;
int result = 0;
size_t encoded_len;
(void)writer;
rc = hdr_encode_compressed(histogram, &compressed_histogram, &compressed_len);
if (rc != 0)
{
FAIL_AND_CLEANUP(cleanup, result, rc);
}
encoded_len = hdr_base64_encoded_len(compressed_len);
encoded_histogram = calloc(encoded_len + 1, sizeof(char));
rc = hdr_base64_encode(
compressed_histogram, compressed_len, encoded_histogram, encoded_len);
if (rc != 0)
{
FAIL_AND_CLEANUP(cleanup, result, rc);
}
if (fprintf(
file, "%d.%d,%d.%d,%"PRIu64".0,%s\n",
(int) start_timestamp->tv_sec, (int) (start_timestamp->tv_nsec / 1000000),
(int) end_timestamp->tv_sec, (int) (end_timestamp->tv_nsec / 1000000),
hdr_max(histogram),
encoded_histogram) < 0)
{
result = EIO;
}
cleanup:
free(compressed_histogram);
free(encoded_histogram);
return result;
}
static char* test_bounds_check_on_decode()
{
load_histograms();
uint8_t* buffer = NULL;
size_t len = 0;
int rc = 0;
struct hdr_histogram* actual = NULL;
struct hdr_histogram* expected = cor_histogram;
rc = hdr_encode_compressed(expected, &buffer, &len);
mu_assert("Did not encode", validate_return_code(rc));
rc = hdr_decode_compressed(buffer, len - 1, &actual);
mu_assert("Should have be invalid", compare_int64(EINVAL, rc));
mu_assert("Should not have built histogram", NULL == actual);
return 0;
}