/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * Copyright by The HDF Group.                                               *
 * All rights reserved.                                                      *
 *                                                                           *
 * This file is part of HDF5.  The full HDF5 copyright notice, including     *
 * terms governing use, modification, and redistribution, is contained in    *
 * the COPYING file, which can be found at the root of the source code       *
 * distribution tree, or in https://www.hdfgroup.org/licenses.               *
 * If you do not have access to either file, you may request a copy from     *
 * help@hdfgroup.org.                                                        *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

#include "h5test.h"

#ifdef BROKEN
static const char *FILENAME[] = {"rsrv_heap", "rsrv_ohdr", "rsrv_vlen", NULL};

/*-------------------------------------------------------------------------
 * Function:    rsrv_heap
 *
 * Purpose:    Ensure that heaps reserve file address space.
 *            This function does this by creating datasets up to and past
 *            the limit of the file, then ensuring that an error (not an
 *            assert) was generated and that the file is readable.
 *
 * Return:    Success:    0
 *        Failure:    1
 *
 *-------------------------------------------------------------------------
 */
static herr_t
rsrv_heap(void)
{
    hid_t   file_id = (H5I_INVALID_HID), dataset_id = (H5I_INVALID_HID), dataspace_id = (H5I_INVALID_HID);
    hid_t   fapl = (H5I_INVALID_HID), fcpl = (H5I_INVALID_HID);
    hsize_t dims[1] = {1};
    char    filename[1024], dset_name[10];
    int     i;

    TESTING("Reserving file space for heap");

    /* Create a new file. */
    fapl = h5_fileaccess();

    h5_fixname(FILENAME[0], fapl, filename, sizeof filename);
    /* Set file address sizes to be very small. */
    fcpl = H5Pcreate(H5P_FILE_CREATE);
    if (fcpl < 0)
        TEST_ERROR;
    if (H5Pset_sizes(fcpl, (size_t)2, (size_t)2) < 0)
        TEST_ERROR;

    file_id = H5Fcreate(filename, H5F_ACC_TRUNC, fcpl, fapl);
    if (file_id < 0)
        TEST_ERROR;

    /* Write datasets until the file is full, at which point HDF5
     * should throw an error.
     */
    for (i = 0; i < 200; i++) {
        H5E_BEGIN_TRY
        {
            dataspace_id = H5Screate_simple(1, dims, dims);
        }
        H5E_END_TRY

        snprintf(dset_name, sizeof(dset_name), "Dset %d", i);

        H5E_BEGIN_TRY
        {
            dataset_id = H5Dcreate2(file_id, dset_name, H5T_NATIVE_INT, dataspace_id, H5P_DEFAULT,
                                    H5P_DEFAULT, H5P_DEFAULT);
        }
        H5E_END_TRY

        if (dataset_id < 0)
            break;

        H5E_BEGIN_TRY
        {
            H5Dwrite(dataset_id, H5T_NATIVE_INT, dataspace_id, dataspace_id, H5P_DEFAULT, &i);
        }
        H5E_END_TRY

        if (H5Dclose(dataset_id) < 0)
            TEST_ERROR;
        if (H5Sclose(dataspace_id) < 0)
            TEST_ERROR;
    } /* end for */

    /* The loop should have broken before completing--the file should not have had
     * enough address space to hold 200 datasets (or this test needs to be updated!).
     */
    if (i == 200)
        TEST_ERROR;

    /* Close the file, property lists, and library */
    if (H5Fclose(file_id) < 0)
        TEST_ERROR;
    if (H5Pclose(fapl) < 0)
        TEST_ERROR;
    if (H5Pclose(fcpl) < 0)
        TEST_ERROR;
    if (H5close() < 0)
        TEST_ERROR;

    /* Re-open the library and try to read a dataset from the file we created */
    if (H5open() < 0)
        TEST_ERROR;

    snprintf(dset_name, sizeof(dset_name), "Dset %d", i - 2);

    file_id = H5Fopen(filename, H5F_ACC_RDONLY, H5P_DEFAULT);
    if (file_id < 0)
        TEST_ERROR;

    dataset_id = H5Dopen2(file_id, dset_name, H5P_DEFAULT);

    /* If we can read a dataset from the file, the file has been flushed to disk
     * (if the heap or object headers weren't flushed, the file would be empty).
     */
    if (dataset_id == H5I_INVALID_HID)
        TEST_ERROR;

    if (H5Dclose(dataset_id) < 0)
        TEST_ERROR;
    if (H5Fclose(file_id) < 0)
        TEST_ERROR;

    PASSED();
    return 0;

error:
    /* Close everything we can and exit */
    H5E_BEGIN_TRY
    {
        H5Dclose(dataset_id);
        H5Sclose(dataspace_id);
        H5Pclose(fcpl);
        H5Pclose(fapl);
        H5Fclose(file_id);
    }
    H5E_END_TRY
    return 1;
}

/*-------------------------------------------------------------------------
 * Function:    rsrv_ohdr
 *
 * Purpose:    Ensure that object headers reserve file address space.
 *            This function does this by creating attributes of a dataset
 *            past the limit of the file, then ensuring that an error (not
 *            an assert) was generated and that the file is readable.
 *
 * Return:    Success:    0
 *        Failure:    1
 *
 *-------------------------------------------------------------------------
 */
static herr_t
rsrv_ohdr(void)
{
    hid_t   file_id = (H5I_INVALID_HID), dataset_id = (H5I_INVALID_HID), dataspace_id = (H5I_INVALID_HID);
    hid_t   fapl = (H5I_INVALID_HID), fcpl = (H5I_INVALID_HID), aid, attr_id;
    hsize_t dims[2];
    herr_t  status;
    int     attrval[4][6];
    char    filename[1024], attrname[20];
    int     i;

    TESTING("Reserving file space for object headers");

    /* Create a new file */
    fapl = h5_fileaccess();
    h5_fixname(FILENAME[1], fapl, filename, sizeof filename);

    fcpl = H5Pcreate(H5P_FILE_CREATE);
    if (fcpl < 0)
        TEST_ERROR;
    if (H5Pset_sizes(fcpl, (size_t)2, (size_t)2) < 0)
        TEST_ERROR;

    file_id = H5Fcreate(filename, H5F_ACC_TRUNC, fcpl, fapl);
    if (file_id < 0)
        TEST_ERROR;

    /* Create the data space for the dataset. */
    dims[0]      = 4;
    dims[1]      = 6;
    dataspace_id = H5Screate_simple(2, dims, NULL);
    if (dataspace_id < 0)
        TEST_ERROR;

    /* Create the dataset. */
    dataset_id =
        H5Dcreate2(file_id, "/dset", H5T_STD_I32BE, dataspace_id, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
    if (dataset_id < 0)
        TEST_ERROR;

    for (i = 0; i < 6; i++) {
        attrval[0][i] = 0;
        attrval[1][i] = 1;
        attrval[2][i] = 2;
        attrval[3][i] = 3;
    } /* end for */

    for (i = 0; i < 2000; i++) {
        snprintf(attrname, sizeof(attrname), "attr %d", i);
        H5E_BEGIN_TRY
        {
            aid     = H5Screate_simple(2, dims, NULL);
            attr_id = H5Acreate2(dataset_id, attrname, H5T_STD_I32BE, aid, H5P_DEFAULT, H5P_DEFAULT);
            H5Awrite(attr_id, H5T_NATIVE_INT, attrval);
            status = H5Aclose(attr_id);
        }
        H5E_END_TRY

        if (status < 0)
            break;
    } /* end for */

    /* The loop should have broken before completing--the file should not have had
     * enough address space to hold 2000 attributes (or this test needs to be updated
!).
     */
    if (i == 2000)
        TEST_ERROR;

    /* End access to the dataset and dataspace and release resources. */
    if (H5Dclose(dataset_id) < 0)
        TEST_ERROR;
    if (H5Pclose(fapl) < 0)
        TEST_ERROR;
    if (H5Pclose(fcpl) < 0)
        TEST_ERROR;
    if (H5Sclose(dataspace_id) < 0)
        TEST_ERROR;

    /* Close the file and the library. */
    if (H5Fclose(file_id) < 0)
        TEST_ERROR;
    if (H5close() < 0)
        TEST_ERROR;

    /* Re-open the library and try to read a dataset from the file we created */
    if (H5open() < 0)
        TEST_ERROR;

    file_id = H5Fopen(filename, H5F_ACC_RDONLY, H5P_DEFAULT);
    if (file_id < 0)
        TEST_ERROR;

    dataset_id = H5Dopen2(file_id, "/dset", H5P_DEFAULT);

    /* If we can read the dataset from the file, the file has been flushed to disk
     * (if the heap or object headers weren't flushed, the file would be empty).
     */
    if (dataset_id == H5I_INVALID_HID)
        TEST_ERROR;

    if (H5Dclose(dataset_id) < 0)
        TEST_ERROR;
    if (H5Fclose(file_id) < 0)
        TEST_ERROR;

    PASSED();
    return 0;

error:
    /* Close everything we can and exit */
    H5E_BEGIN_TRY
    {
        H5Dclose(dataset_id);
        H5Sclose(dataspace_id);
        H5Pclose(fcpl);
        H5Pclose(fapl);
        H5Fclose(file_id);
    }
    H5E_END_TRY
    return 1;
}

/*-------------------------------------------------------------------------
 * Function:    rsrv_vlen
 *
 * Purpose:    Ensure that variable length datatypes properly ensure that
 *              enough file address space exists before writing.
 *        This function does this by creating a dataset containing
 *              variable length data past the limit of the file, then
 *              ensuring that an error (not an assert) was generated and
 *              that the file is readable.
 *
 * Return:    Success:    0
 *        Failure:    1
 *
 *-------------------------------------------------------------------------
 */
static herr_t
rsrv_vlen(void)
{
    hid_t file_id = (H5I_INVALID_HID), dataset_id = (H5I_INVALID_HID), dataspace_id = (H5I_INVALID_HID),
          type_id = (H5I_INVALID_HID);
    hid_t    fapl = (H5I_INVALID_HID), fcpl = (H5I_INVALID_HID), mem_space_id = (H5I_INVALID_HID);
    hssize_t offset[1];
    hsize_t  start[1];
    hsize_t  dims[1], count[1];
    herr_t   status;
    int      i;
    int      write_buf[20];
    char     filename[1024];
    hvl_t    vlen_data;

    TESTING("Reserved space with variable length data");

    /* Create a new file */
    fapl = h5_fileaccess();
    h5_fixname(FILENAME[2], fapl, filename, sizeof filename);

    /* Make file address space very small */
    fcpl = H5Pcreate(H5P_FILE_CREATE);
    if (fcpl < 0)
        TEST_ERROR;
    if (H5Pset_sizes(fcpl, (size_t)2, (size_t)2) < 0)
        TEST_ERROR;

    file_id = H5Fcreate(filename, H5F_ACC_TRUNC, fcpl, fapl);
    if (file_id < 0)
        TEST_ERROR;

    /* Create the data space for the dataset. */
    dims[0]      = 2000;
    dataspace_id = H5Screate_simple(1, dims, NULL);
    if (dataspace_id < 0)
        TEST_ERROR;

    /* Create a variable length type */
    type_id = H5Tvlen_create(H5T_NATIVE_INT);
    if (type_id < 0)
        TEST_ERROR;

    /* Create the dataset. */
    dataset_id = H5Dcreate2(file_id, "/dset", type_id, dataspace_id, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
    if (dataset_id < 0)
        TEST_ERROR;

    /* Create some data to write */
    for (i = 0; i < 20; i++)
        write_buf[i] = i + 1;
    vlen_data.p = write_buf;

    /* Create a memory dataspace for writing */
    dims[0]      = 1;
    mem_space_id = H5Screate_simple(1, dims, NULL);
    if (mem_space_id < 0)
        TEST_ERROR;

    /* Create a selection to write to */
    start[0] = 0;
    count[0] = 1;
    if (H5Sselect_hyperslab(dataspace_id, H5S_SELECT_SET, start, NULL, count, NULL) < 0)
        TEST_ERROR;

    for (i = 0; i < 2000; i++) {
        vlen_data.len = (i % 20) + 1;

        offset[0] = i;
        if (H5Soffset_simple(dataspace_id, offset) < 0)
            TEST_ERROR;

        H5E_BEGIN_TRY
        status = H5Dwrite(dataset_id, type_id, mem_space_id, dataspace_id, H5P_DEFAULT, &vlen_data);
        H5E_END_TRY

        if (status < 0)
            break;
    } /* end for */

    /* The loop should have broken before completing--the file should not have had
     * enough address space to hold 2000 attributes (or this test needs to be updated!).
     */
    if (i == 2000)
        TEST_ERROR;

    /* End access to the dataset and dataspace and release resources. */
    if (H5Dclose(dataset_id) < 0)
        TEST_ERROR;
    if (H5Pclose(fcpl) < 0)
        TEST_ERROR;
    if (H5Pclose(fapl) < 0)
        TEST_ERROR;
    if (H5Sclose(dataspace_id) < 0)
        TEST_ERROR;
    if (H5Tclose(type_id) < 0)
        TEST_ERROR;
    if (H5Sclose(mem_space_id) < 0)
        TEST_ERROR;

    /* Close the file and the library. */
    if (H5Fclose(file_id) < 0)
        TEST_ERROR;
    if (H5close() < 0)
        TEST_ERROR;

    /* Re-open the library and try to read a dataset from the file we created */
    if (H5open() < 0)
        TEST_ERROR;

    file_id = H5Fopen(filename, H5F_ACC_RDONLY, H5P_DEFAULT);
    if (file_id < 0)
        TEST_ERROR;

    dataset_id = H5Dopen2(file_id, "/dset", H5P_DEFAULT);

    /* If we can read the dataset from the file, the file has been flushed to disk
     * (if the heap or object headers weren't flushed, the file would be empty).
     */
    if (dataset_id == H5I_INVALID_HID)
        TEST_ERROR;

    if (H5Dclose(dataset_id) < 0)
        TEST_ERROR;
    if (H5Fclose(file_id) < 0)
        TEST_ERROR;

    PASSED();
    return 0;

error:
    /* Close everything we can and exit */
    H5E_BEGIN_TRY
    {
        H5Dclose(dataset_id);
        H5Sclose(dataspace_id);
        H5Sclose(mem_space_id);
        H5Tclose(type_id);
        H5Pclose(fcpl);
        H5Pclose(fapl);
        H5Fclose(file_id);
    }
    H5E_END_TRY
    return 1;
}
#endif /* BROKEN */

/*-------------------------------------------------------------------------
 * Function:    main
 *
 * Purpose:
 *
 * Return:    Success:
 *
 *        Failure:
 *
 *-------------------------------------------------------------------------
 */
int
main(void)
{
    /* This test is currently not working properly; it should be revisited
     * when we have time.
     *
     * (Also, we should try to make this test work with all the VFDs)
     */
#ifdef BROKEN
    const char *driver_name;
    int         num_errs = 0;
    hid_t       fapl;

    driver_name = h5_get_test_driver_name();

    /* QAK: should be able to use the core driver? */
    if (strcmp(driver_name, "core") && strcmp(driver_name, "split") && strcmp(driver_name, "multi") &&
        strcmp(driver_name, "family")) {
        num_errs += rsrv_ohdr();
        num_errs += rsrv_heap();
        num_errs += rsrv_vlen();

        if (num_errs > 0)
            printf("**** %d FAILURE%s! ****\n", num_errs, num_errs == 1 ? "" : "S");
        else
            puts("All address space reservation tests passed.");

        fapl = h5_fileaccess();
        h5_cleanup(FILENAME, fapl);
        return num_errs;
    }
    else {
        puts("All address space reservation tests skipped - Incompatible with current Virtual File Driver");
    }
#endif /* BROKEN */

    SKIPPED();
    return 0;
}
