Пример #1
0
int main(int argc, char** argv)
{
    int rc = 0;
    FILE* f;

    if (argc == 1)
    {
        f = stdin;
    }
    else
    {
        f = fopen(argv[1], "r");
    }

    if (!f)
    {
        fprintf(stderr, "Failed to open file(%s):%s\n", argv[1], strerror(errno));
        return -1;
    }

    struct hdr_log_reader reader;
    if (hdr_log_reader_init(&reader))
    {
        fprintf(stderr, "Failed to init reader\n");
        return -1;
    }

    struct hdr_histogram* h = NULL;
    hdr_timespec timestamp;
    hdr_timespec interval;

    rc = hdr_log_read_header(&reader, f);
    if(rc)
    {
        fprintf(stderr, "Failed to read header: %s\n", hdr_strerror(rc));
        return -1;
    }

    while (true)
    {
        rc = hdr_log_read(&reader, f, &h, &timestamp, &interval);

        if (0 == rc)
        {
            hdr_percentiles_print(h, stdout, 5, 1.0, CLASSIC);
        }
        else if (EOF == rc)
        {
            break;
        }
        else
        {
            fprintf(stderr, "Failed to print histogram: %s\n", hdr_strerror(rc));
            return -1;
        }        
    }

    return 0;
}
Пример #2
0
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;
}
static bool validate_return_code(int rc)
{
    if (rc == 0)
    {
        return true;
    }

    printf("%s\n", hdr_strerror(rc));
    return false;
}