C++ (Cpp) sbf_closeの例

コード例 #1

ファイル: test_sbf.c プロジェクト: SponsorPay/bloomd

END_TEST

START_TEST(test_sbf_double_close)
{
    bloom_sbf_params params = SBF_DEFAULT_PARAMS;
    params.initial_capacity = 1e3;
    params.fp_probability = 1e-4;
    bloom_sbf sbf;
    int res = sbf_from_filters(&params, NULL, NULL, 0, NULL, &sbf);
    fail_unless(res == 0);

    res = sbf_close(&sbf);
    fail_unless(res == 0);

    res = sbf_close(&sbf);
    fail_unless(res == -1);
}

コード例 #2

ファイル: test_sbf.c プロジェクト: SponsorPay/bloomd

END_TEST

START_TEST(test_sbf_close_does_flush)
{
    bloom_sbf_params params = SBF_DEFAULT_PARAMS;
    params.initial_capacity = 1e3;
    params.fp_probability = 1e-4;

    nextfile next;
    next.format = "/tmp/mmap_close.%d.data";
    next.num = 0;

    bloom_sbf sbf;
    int res = sbf_from_filters(&params, sbf_make_callback, &next, 0, NULL, &sbf);
    fail_unless(res == 0);

    char buf[100];
    for (int i=0;i<2000;i++) {
        snprintf((char*)&buf, 100, "foobar%d", i);
        sbf_add(&sbf, (char*)&buf);
    }
    fail_unless(sbf_close(&sbf) == 0);

    bloom_bitmap maps[2];
    bitmap_from_filename("/tmp/mmap_close.0.data", get_size("/tmp/mmap_close.0.data"), 1, 1, SHARED, (bloom_bitmap*)&maps);
    bitmap_from_filename("/tmp/mmap_close.1.data", get_size("/tmp/mmap_close.1.data"), 1, 1, SHARED, ((bloom_bitmap*)&maps)+1);

    bloom_bloomfilter filters[2];
    bf_from_bitmap((bloom_bitmap*)&maps, 1, 0, (bloom_bloomfilter*)&filters);
    bf_from_bitmap(((bloom_bitmap*)&maps)+1, 1, 0, ((bloom_bloomfilter*)&filters)+1);

    bloom_bloomfilter **filter_map = calloc(2, sizeof(bloom_bloomfilter*));
    filter_map[0] = (bloom_bloomfilter*)&filters;
    filter_map[1] = ((bloom_bloomfilter*)&filters)+1;

    res = sbf_from_filters(&params, sbf_make_callback, &next, 2, filter_map, &sbf);
    fail_unless(res == 0);

    fail_unless(sbf_size(&sbf) == 2000);
    fail_unless(sbf_total_capacity(&sbf) == 5*1e3);

    for (int i=0;i<2000;i++) {
        snprintf((char*)&buf, 100, "foobar%d", i);
        res = sbf_contains(&sbf, (char*)&buf);
        fail_unless(res == 1);
    }

    unlink("/tmp/mmap_close.0.data");
    unlink("/tmp/mmap_close.1.data");
}

コード例 #3

ファイル: filter.c プロジェクト: carriercomm/bloomd

/**
 * Gracefully closes a bloom filter.
 * @arg filter The filter to close
 * @return 0 on success.
 */
int bloomf_close(bloom_filter *filter) {
    // Acquire lock
    pthread_mutex_lock(&filter->sbf_lock);

    // Only act if we are non-proxied
    if (filter->sbf) {
        bloomf_flush(filter);

        bloom_sbf *sbf = (bloom_sbf*)filter->sbf;
        filter->sbf = NULL;

        sbf_close(sbf);
        free(sbf);

        filter->counters.page_outs += 1;
    }

    // Release lock
    pthread_mutex_unlock(&filter->sbf_lock);
    return 0;
}