Ejemplo n.º 1
0
/*-------------------------------------------------------------------------
 * Function:    main
 *
 * Purpose:     HDF5 user block unjammer
 *
 * Return:      Success:    0
 *              Failure:    1
 *
 * Programmer:
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
int
main(int argc, const char *argv[])
{
    void               *edata;
    H5E_auto2_t         func;
    hid_t               ifile = -1;
    hid_t               plist = -1;
    off_t               fsize;
    hsize_t             usize;
    htri_t              testval;
    herr_t              status;
    int                 res;
    h5_stat_t           sbuf;

    h5tools_setprogname(PROGRAMNAME);
    h5tools_setstatus(EXIT_SUCCESS);

    /* Disable error reporting  */
    H5Eget_auto2(H5E_DEFAULT, &func, &edata);
    H5Eset_auto2(H5E_DEFAULT, NULL, NULL);

    /* Initialize h5tools lib  */
    h5tools_init();

    if(EXIT_FAILURE == parse_command_line(argc, argv))
        goto done;

    if (input_file == NULL) {
        /* no user block  */
        error_msg("missing arguemnt for HDF5 file input.\n");
        help_ref_msg(stderr);
        h5tools_setstatus(EXIT_FAILURE);
        goto done;
    }
  
    testval = H5Fis_hdf5(input_file);

    if (testval <= 0) {
        error_msg("Input HDF5 file \"%s\" is not HDF\n", input_file);
        help_ref_msg (stderr);
        h5tools_setstatus(EXIT_FAILURE);
        goto done;
    }

    ifile = H5Fopen(input_file, H5F_ACC_RDONLY , H5P_DEFAULT);

    if (ifile < 0) {
        error_msg("Can't open input HDF5 file \"%s\"\n", input_file);
        h5tools_setstatus(EXIT_FAILURE);
        goto done;
    }

    plist = H5Fget_create_plist(ifile);
    if (plist < 0) {
        error_msg("Can't get file creation plist for file \"%s\"\n", input_file);
        h5tools_setstatus(EXIT_FAILURE);
        goto done;
    }

    status = H5Pget_userblock(plist, & usize);
    if (status < 0) {
        error_msg("Can't get user block for file \"%s\"\n", input_file);
        h5tools_setstatus(EXIT_FAILURE);
        goto done;
    }

    status = H5Pclose(plist);
    HDassert(status >= 0);
    status = H5Fclose(ifile);
    HDassert(status >= 0);

    if (usize == 0) {
  /* no user block to remove: message? */
        error_msg("\"%s\" has no user block: no change to file\n", input_file);
        h5tools_setstatus(EXIT_SUCCESS);
        goto done;
    }

    res = HDfstat(HDfileno(rawinstream), &sbuf);
    if(res < 0) {
        error_msg("Can't stat file \"%s\"\n", input_file);
        h5tools_setstatus(EXIT_FAILURE);
        goto done;
    }

    fsize = sbuf.st_size;

    if (do_delete && (ub_file != NULL)) {
        error_msg("??\"%s\"\n", ub_file);
        h5tools_setstatus(EXIT_FAILURE);
        goto done;
    }

    if (output_file == NULL) {
            error_msg("unable to open output HDF5 file \"%s\"\n", input_file);
            h5tools_setstatus(EXIT_FAILURE);
            goto done;
    } 

    /* copy from 0 to 'usize - 1' into ufid  */
    if (!do_delete) {
        if(copy_to_file(rawinstream, rawoutstream, 0, (ssize_t) usize) < 0) {
            error_msg("unable to copy user block to output file \"%s\"\n", ub_file);
            h5tools_setstatus(EXIT_FAILURE);
            goto done;
        }
    }

    /* copy from usize to end of file into h5fid,
     * starting at end of user block if present */
   if(copy_to_file(rawinstream, rawdatastream, (ssize_t) usize, (ssize_t)(fsize - (ssize_t)usize)) < 0) {
        error_msg("unable to copy hdf5 data to output file \"%s\"\n", output_file);
        h5tools_setstatus(EXIT_FAILURE);
        goto done;
    }
 
done:
    if(input_file)
        HDfree(input_file);
		
    if(output_file)
        HDfree(output_file);
		
    if(ub_file) {
        HDfree(ub_file);
    }
	   
    h5tools_close();

    return h5tools_getstatus();
}
Ejemplo n.º 2
0
Archivo: h5jam.c Proyecto: ElaraFX/hdf5
/*-------------------------------------------------------------------------
 * Function:    main
 *
 * Purpose:     HDF5 user block jammer
 *
 * Return:      Success:    0
 *              Failure:    1
 *
 * Programmer:
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
int
main (int argc, const char *argv[])
{
    int         ufid = -1;
    int         h5fid = -1;
    int         ofid = -1;
    void       *edata;
    H5E_auto2_t func;
    hid_t       ifile = -1;
    hid_t       plist = -1;
    herr_t      status;
    htri_t      testval;
    hsize_t     usize;
    hsize_t     h5fsize;
    hsize_t     startub;
    hsize_t     where;
    hsize_t     newubsize;
    off_t       fsize;
    h5_stat_t   sbuf;
    h5_stat_t   sbuf2;
    int         res;

    h5tools_setprogname(PROGRAMNAME);
    h5tools_setstatus(EXIT_SUCCESS);

    /* Disable error reporting */
    H5Eget_auto2(H5E_DEFAULT, &func, &edata);
    H5Eset_auto2(H5E_DEFAULT, NULL, NULL);

    /* Initialize h5tools lib */
    h5tools_init();

    parse_command_line (argc, argv);

    if (ub_file == NULL) {
        /* no user block */
        error_msg("missing arguemnt for -u <user_file>.\n");
        help_ref_msg(stderr);
        leave (EXIT_FAILURE);
    }

    testval = H5Fis_hdf5 (ub_file);

    if (testval > 0) {
        error_msg("-u <user_file> cannot be HDF5 file, but it appears to be an HDF5 file.\n");
        help_ref_msg(stderr);
        leave (EXIT_FAILURE);
    }

    if (input_file == NULL) {
        error_msg("missing arguemnt for -i <HDF5 file>.\n");
        help_ref_msg(stderr);
        leave (EXIT_FAILURE);
    }

    testval = H5Fis_hdf5 (input_file);

    if (testval <= 0) {
        error_msg("Input HDF5 file \"%s\" is not HDF5 format.\n", input_file);
        help_ref_msg(stderr);
        leave (EXIT_FAILURE);
    }

    ifile = H5Fopen (input_file, H5F_ACC_RDONLY, H5P_DEFAULT);

    if (ifile < 0) {
        error_msg("Can't open input HDF5 file \"%s\"\n", input_file);
        leave (EXIT_FAILURE);
    }

    plist = H5Fget_create_plist (ifile);
    if (plist < 0) {
        error_msg("Can't get file creation plist for file \"%s\"\n", input_file);
        H5Fclose(ifile);
        leave (EXIT_FAILURE);
    }

    status = H5Pget_userblock (plist, &usize);
    if (status < 0) {
        error_msg("Can't get user block for file \"%s\"\n", input_file);
        H5Pclose(plist);
        H5Fclose(ifile);
        leave (EXIT_FAILURE);
    }

    H5Pclose(plist);
    H5Fclose(ifile);

    ufid = HDopen(ub_file, O_RDONLY, 0);
    if(ufid < 0) {
        error_msg("unable to open user block file \"%s\"\n", ub_file);
        leave (EXIT_FAILURE);
    }

    res = HDfstat(ufid, &sbuf);
    if(res < 0) {
        error_msg("Can't stat file \"%s\"\n", ub_file);
        HDclose (ufid);
        leave (EXIT_FAILURE);
    }

    fsize = (off_t)sbuf.st_size;

    h5fid = HDopen(input_file, O_RDONLY, 0);
    if(h5fid < 0) {
        error_msg("unable to open HDF5 file for read \"%s\"\n", input_file);
        HDclose (ufid);
        leave (EXIT_FAILURE);
    }

    res = HDfstat(h5fid, &sbuf2);
    if(res < 0) {
        error_msg("Can't stat file \"%s\"\n", input_file);
        HDclose (h5fid);
        HDclose (ufid);
        leave (EXIT_FAILURE);
    }

    h5fsize = (hsize_t)sbuf2.st_size;

    if (output_file == NULL) {
        ofid = HDopen (input_file, O_WRONLY, 0);

        if (ofid < 0) {
            error_msg("unable to open output file \"%s\"\n", output_file);
            HDclose (h5fid);
            HDclose (ufid);
            leave (EXIT_FAILURE);
        }
    }
    else {
        ofid = HDopen (output_file, O_WRONLY | O_CREAT | O_TRUNC, 0644);

        if (ofid < 0) {
            error_msg("unable to create output file \"%s\"\n", output_file);
            HDclose (h5fid);
            HDclose (ufid);
            leave (EXIT_FAILURE);
        }
    }

    newubsize = compute_user_block_size ((hsize_t) fsize);

    startub = usize;

    if (usize > 0) {
        if (do_clobber == TRUE) {
            /* where is max of the current size or the new UB */
            if (usize > newubsize) {
                newubsize = usize;
            }
            startub = 0;    /*blast the old */
        }
        else {
            /* add new ub to current ublock, pad to new offset */
            newubsize += usize;
            newubsize = compute_user_block_size ((hsize_t) newubsize);
        }
    }

    /* copy the HDF5 from starting at usize to starting at newubsize:
     *  makes room at 'from' for new ub */
    /* if no current ub, usize is 0 */
    copy_some_to_file (h5fid, ofid, usize, newubsize, (ssize_t) (h5fsize - usize));

    /* copy the old ub to the beginning of the new file */
    if (!do_clobber) {
        where = copy_some_to_file (h5fid, ofid, (hsize_t) 0, (hsize_t) 0, (ssize_t) usize);
    }

    /* copy the new ub to the end of the ub */
    where = copy_some_to_file (ufid, ofid, (hsize_t) 0, startub, (ssize_t) - 1);

    /* pad the ub */
    where = write_pad (ofid, where);

    if(ub_file)
        HDfree (ub_file);
    if(input_file)
        HDfree (input_file);
    if(output_file)
        HDfree (output_file);
    
    if(ufid >= 0)
        HDclose (ufid);
    if(h5fid >= 0)
        HDclose (h5fid);
    if(ofid >= 0)
        HDclose (ofid);

    return h5tools_getstatus();
}