File: mtime.c

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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * Copyright by The HDF Group.                                               *
 * Copyright by the Board of Trustees of the University of Illinois.         *
 * 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 files COPYING and Copyright.html.  COPYING can be found at the root   *
 * of the source code distribution tree; Copyright.html can be found at the  *
 * root level of an installed copy of the electronic HDF5 document set and   *
 * is linked from the top-level documents page.  It can also be found at     *
 * http://hdfgroup.org/HDF5/doc/Copyright.html.  If you do not have          *
 * access to either file, you may request a copy from help@hdfgroup.org.     *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

/*
 * Programmer:  Robb Matzke <matzke@llnl.gov>
 *              Thursday, July 30, 1998
 *
 * Purpose:	Determines if the modification time message is working
 *		properly.  Specifically, the code in H5O_mtime_decode() is
 *		very OS-dependent and this test tries to figure out if it's
 *		working properly.
 */
#include "h5test.h"
#include "H5srcdir.h"

const char *FILENAME[] = {
    "mtime",
    NULL
};

#define TESTFILE1       "tmtimeo.h5"
#define MTIME1          1055531866
#define TESTFILE2       "tmtimen.h5"
#define MTIME2          1041606478


/*-------------------------------------------------------------------------
 * Function:	main
 *
 * Purpose:	H5O_mtime_decode() test.
 *
 * Return:	Success:
 *
 *		Failure:
 *
 * Programmer:	Robb Matzke
 *              Thursday, July 30, 1998
 *
 * Modifications:
 *              Added checks for old and new modification time messages
 *              in pre-created datafiles (generated with gen_old_mtime.c and
 *              gen_new_mtime.c).
 *              Quincey Koziol
 *              Friday, January  3, 2003
 *
 *-------------------------------------------------------------------------
 */
int
main(void)
{
    hid_t	fapl, file, space, dset;
    hsize_t	size[1] = {2};
    time_t	now;
    struct tm	*tm;
    H5O_info_t	oi1, oi2;
    signed char	buf1[32], buf2[32];
    char	filename[1024];

    h5_reset();
    fapl = h5_fileaccess();

    TESTING("modification time messages");

    /* Create the file, create a dataset, then close the file */
    h5_fixname(FILENAME[0], fapl, filename, sizeof filename);
    if((file = H5Fcreate(filename, H5F_ACC_TRUNC, H5P_DEFAULT, fapl)) < 0)
        TEST_ERROR;
    if((space = H5Screate_simple(1, size, NULL)) < 0) TEST_ERROR;
    if((dset = H5Dcreate2(file, "dset", H5T_NATIVE_SCHAR, space, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0)
        TEST_ERROR;
    now = HDtime(NULL);
    if(H5Dclose(dset) < 0) TEST_ERROR;
    if(H5Sclose(space) < 0) TEST_ERROR;
    if(H5Fclose(file) < 0) TEST_ERROR;

    /*
     * Open the file and get the modification time. We'll test the
     * H5Oget_info() arguments too: being able to stat something without
     * knowing its name.
     */
    h5_fixname(FILENAME[0], fapl, filename, sizeof filename);
    if((file = H5Fopen(filename, H5F_ACC_RDONLY, fapl)) < 0) TEST_ERROR;
    if(H5Oget_info_by_name(file, "dset", &oi1, H5P_DEFAULT) < 0) TEST_ERROR;
    if((dset = H5Dopen2(file, "dset", H5P_DEFAULT)) < 0) TEST_ERROR;
    if(H5Oget_info(dset, &oi2) < 0) TEST_ERROR;
    if(H5Dclose(dset) < 0) TEST_ERROR;
    if(H5Fclose(file) < 0) TEST_ERROR;

    /* Compare addresses & times from the two ways of calling H5Oget_info() */
    if(oi1.addr != oi2.addr || oi1.ctime != oi2.ctime) {
        H5_FAILED();
        puts("    Calling H5Oget_info() with the dataset ID returned");
        puts("    different values than calling it with a file and dataset");
        puts("    name.");
        goto error;
    }

    /* Compare times -- they must be within 60 seconds of one another */
    if(0 == oi1.ctime) {
        SKIPPED();
        puts("    The modification time could not be decoded on this OS.");
        puts("    Modification times will be mantained in the file but");
        puts("    cannot be queried on this system.  See H5O_mtime_decode().");
        return 0;
    } else if(HDfabs(HDdifftime(now, oi1.ctime)) > 60.0F) {
        H5_FAILED();
        tm = HDlocaltime(&(oi1.ctime));
        HDstrftime((char*)buf1, sizeof buf1, "%Y-%m-%d %H:%M:%S", tm);
        tm = HDlocaltime(&now);
        HDstrftime((char*)buf2, sizeof buf2, "%Y-%m-%d %H:%M:%S", tm);
        printf("    got: %s\n    ans: %s\n", buf1, buf2);
        goto error;
    }
    PASSED();


    /* Check opening existing file with old-style modification time information
     * and make certain that the time is correct
     */
    TESTING("accessing old modification time messages");

    {
        const char *testfile = H5_get_srcdir_filename(TESTFILE1); /* Corrected test file name */

        file = H5Fopen(testfile, H5F_ACC_RDONLY, H5P_DEFAULT);
        if(file >= 0){
            if(H5Oget_info_by_name(file, "/Dataset1", &oi1, H5P_DEFAULT) < 0)
                TEST_ERROR;
            if(oi1.ctime != MTIME1) {
                H5_FAILED();
                   /* If this fails, examine H5Omtime.c.  Modification time is very
                    * system dependant (e.g., on Windows DST must be hardcoded). */
                puts("    Old modification time incorrect");
                goto error;
            }
            if(H5Fclose(file) < 0) TEST_ERROR;
        }
        else {
            H5_FAILED();
            printf("***cannot open the pre-created old modification test file (%s)\n",
                testfile);
            goto error;
        } /* end else */
    }
    PASSED();

    /* Check opening existing file with new-style modification time information
     * and make certain that the time is correct
     */
    TESTING("accessing new modification time messages");

    {
        const char *testfile = H5_get_srcdir_filename(TESTFILE2); /* Corrected test file name */

        file = H5Fopen(testfile, H5F_ACC_RDONLY, H5P_DEFAULT);
        if(file >= 0){
            if(H5Oget_info_by_name(file, "/Dataset1", &oi2, H5P_DEFAULT) < 0)
                TEST_ERROR;
            if(oi2.ctime != MTIME2) {
               H5_FAILED();
               puts("    Modification time incorrect.");
               goto error;
            }
            if(H5Fclose(file) < 0) TEST_ERROR;
        }
        else {
            H5_FAILED();
            printf("***cannot open the pre-created old modification test file (%s)\n",
                testfile);
            goto error;
        } /* end else */
    }
    PASSED();

    /* Verify symbol table messages are cached */
    if(h5_verify_cached_stabs(FILENAME, fapl) < 0) TEST_ERROR

    /* All looks good */
    puts("All modification time tests passed.");
    h5_cleanup(FILENAME, fapl);
    return 0;

    /* Something broke */
error:
    return 1;
}