void traverse_product()
{
int result;
result = coda_open(traverse_info.file_name, &traverse_info.pf);
if (result != 0 && coda_errno == CODA_ERROR_FILE_OPEN)
{
/* maybe not enough memory space to map the file in memory =>
* temporarily disable memory mapping of files and try again
*/
coda_set_option_use_mmap(0);
result = coda_open(traverse_info.file_name, &traverse_info.pf);
coda_set_option_use_mmap(1);
}
if (result != 0)
{
handle_coda_error();
}
if (coda_cursor_set_product(&traverse_info.cursor, traverse_info.pf) != 0)
{
handle_coda_error();
}
if (coda_get_product_root_type(traverse_info.pf, &traverse_info.type[traverse_info.current_depth]) != 0)
{
handle_coda_error();
}
traverse_data();
coda_close(traverse_info.pf);
traverse_info.pf = NULL;
}
static int coda_match_file(coda_expression *expr, NameBuffer *path_name,
int (*callback) (const char *, coda_filefilter_status, const char *, void *), void *userdata)
{
coda_product *product;
coda_cursor cursor;
int filter_result;
int result;
result = coda_open(path_name->buffer, &product);
if (result != 0 && coda_errno == CODA_ERROR_FILE_OPEN)
{
/* maybe not enough memory space to map the file in memory =>
* temporarily disable memory mapping of files and try again
*/
coda_set_option_use_mmap(0);
result = coda_open(path_name->buffer, &product);
coda_set_option_use_mmap(1);
}
if (result != 0)
{
if (coda_errno == CODA_ERROR_UNSUPPORTED_PRODUCT)
{
return callback(path_name->buffer, coda_ffs_unsupported_file, NULL, userdata);
}
else
{
return callback(path_name->buffer, coda_ffs_could_not_open_file, coda_errno_to_string(coda_errno),
userdata);
}
}
if (coda_cursor_set_product(&cursor, product) != 0)
{
coda_close(product);
return callback(path_name->buffer, coda_ffs_error, coda_errno_to_string(coda_errno), userdata);
}
if (coda_expression_eval_bool(expr, &cursor, &filter_result) != 0)
{
return callback(path_name->buffer, coda_ffs_error, coda_errno_to_string(coda_errno), userdata);
}
coda_close(product);
return callback(path_name->buffer, filter_result ? coda_ffs_match : coda_ffs_no_match, NULL, userdata);
}
void traverse_info_done()
{
if (traverse_info.pf != NULL)
{
coda_close(traverse_info.pf);
}
if (traverse_info.filter[0] != NULL)
{
codadump_filter_remove(&traverse_info.filter[0]);
}
}
static int open_file(const char *filename, coda_format format, int64_t file_size,
const coda_product_definition *definition, coda_product **product_file)
{
switch (format)
{
case coda_format_ascii:
if (coda_ascii_open(filename, file_size, definition, product_file) != 0)
{
return -1;
}
break;
case coda_format_binary:
if (coda_bin_open(filename, file_size, definition, product_file) != 0)
{
return -1;
}
break;
case coda_format_xml:
if (coda_xml_open(filename, file_size, definition, product_file) != 0)
{
return -1;
}
break;
case coda_format_hdf4:
#ifdef HAVE_HDF4
if (coda_hdf4_open(filename, file_size, definition, product_file) != 0)
{
return -1;
}
break;
#else
coda_set_error(CODA_ERROR_NO_HDF4_SUPPORT, NULL);
return -1;
#endif
case coda_format_hdf5:
#ifdef HAVE_HDF5
if (coda_hdf5_open(filename, file_size, definition, product_file) != 0)
{
return -1;
}
break;
#else
coda_set_error(CODA_ERROR_NO_HDF5_SUPPORT, NULL);
return -1;
#endif
case coda_format_cdf:
if (coda_cdf_open(filename, file_size, definition, product_file) != 0)
{
return -1;
}
break;
case coda_format_netcdf:
if (coda_netcdf_open(filename, file_size, definition, product_file) != 0)
{
return -1;
}
break;
case coda_format_grib1:
case coda_format_grib2:
if (coda_grib_open(filename, file_size, definition, product_file) != 0)
{
return -1;
}
break;
case coda_format_rinex:
if (coda_rinex_open(filename, file_size, definition, product_file) != 0)
{
return -1;
}
break;
case coda_format_sp3:
if (coda_sp3_open(filename, file_size, definition, product_file) != 0)
{
return -1;
}
break;
}
/* initialize product variables */
if ((*product_file)->product_definition != NULL && (*product_file)->product_definition->num_product_variables > 0)
{
int num_product_variables;
int i;
num_product_variables = (*product_file)->product_definition->num_product_variables;
(*product_file)->product_variable_size = malloc(num_product_variables * sizeof(long *));
if ((*product_file)->product_variable_size == NULL)
{
coda_close(*product_file);
coda_set_error(CODA_ERROR_OUT_OF_MEMORY, "out of memory (could not allocate %lu bytes) (%s:%u)",
num_product_variables * sizeof(long *), __FILE__, __LINE__);
return -1;
}
(*product_file)->product_variable = malloc(num_product_variables * sizeof(int64_t **));
if ((*product_file)->product_variable == NULL)
{
coda_close(*product_file);
coda_set_error(CODA_ERROR_OUT_OF_MEMORY, "out of memory (could not allocate %lu bytes) (%s:%u)",
num_product_variables * sizeof(int64_t **), __FILE__, __LINE__);
return -1;
}
for (i = 0; i < num_product_variables; i++)
{
(*product_file)->product_variable[i] = NULL;
}
}
return 0;
}
int coda_hdf4_reopen(coda_product **product)
{
coda_hdf4_product *product_file;
product_file = (coda_hdf4_product *)malloc(sizeof(coda_hdf4_product));
if (product_file == NULL)
{
coda_set_error(CODA_ERROR_OUT_OF_MEMORY, "out of memory (could not allocate %lu bytes) (%s:%u)",
sizeof(coda_hdf4_product), __FILE__, __LINE__);
coda_close(*product);
return -1;
}
product_file->filename = NULL;
product_file->file_size = (*product)->file_size;
product_file->format = coda_format_hdf4;
product_file->root_type = NULL;
product_file->product_definition = NULL;
product_file->product_variable_size = NULL;
product_file->product_variable = NULL;
product_file->mem_size = 0;
product_file->mem_ptr = NULL;
product_file->is_hdf = 0;
product_file->file_id = -1;
product_file->gr_id = -1;
product_file->sd_id = -1;
product_file->an_id = -1;
product_file->num_gr_file_attributes = 0;
product_file->num_sd_file_attributes = 0;
product_file->num_sds = 0;
product_file->sds = NULL;
product_file->num_images = 0;
product_file->gri = NULL;
product_file->num_vgroup = 0;
product_file->vgroup = NULL;
product_file->num_vdata = 0;
product_file->vdata = NULL;
product_file->filename = strdup((*product)->filename);
if (product_file->filename == NULL)
{
coda_set_error(CODA_ERROR_OUT_OF_MEMORY, "out of memory (could not duplicate filename string) (%s:%u)",
__FILE__, __LINE__);
coda_hdf4_close((coda_product *)product_file);
coda_close(*product);
return -1;
}
coda_close(*product);
product_file->is_hdf = Hishdf(product_file->filename); /* is this a real HDF4 file or a (net)CDF file */
if (product_file->is_hdf)
{
product_file->file_id = Hopen(product_file->filename, DFACC_READ, 0);
if (product_file->file_id == -1)
{
coda_set_error(CODA_ERROR_HDF4, NULL);
coda_hdf4_close((coda_product *)product_file);
return -1;
}
if (Vstart(product_file->file_id) != 0)
{
coda_set_error(CODA_ERROR_HDF4, NULL);
coda_hdf4_close((coda_product *)product_file);
return -1;
}
product_file->gr_id = GRstart(product_file->file_id);
if (product_file->gr_id == -1)
{
coda_set_error(CODA_ERROR_HDF4, NULL);
coda_hdf4_close((coda_product *)product_file);
return -1;
}
product_file->an_id = ANstart(product_file->file_id);
if (product_file->an_id == -1)
{
coda_set_error(CODA_ERROR_HDF4, NULL);
coda_hdf4_close((coda_product *)product_file);
return -1;
}
}
product_file->sd_id = SDstart(product_file->filename, DFACC_READ);
if (product_file->sd_id == -1)
{
coda_set_error(CODA_ERROR_HDF4, NULL);
coda_hdf4_close((coda_product *)product_file);
return -1;
}
product_file->root_type = NULL;
if (init_SDSs(product_file) != 0)
{
coda_hdf4_close((coda_product *)product_file);
return -1;
}
if (product_file->is_hdf)
{
if (init_GRImages(product_file) != 0)
{
coda_hdf4_close((coda_product *)product_file);
return -1;
}
if (init_Vdatas(product_file) != 0)
{
coda_hdf4_close((coda_product *)product_file);
return -1;
}
/* initialization of Vgroup entries should happen last, so we can build the structural tree */
if (init_Vgroups(product_file) != 0)
{
coda_hdf4_close((coda_product *)product_file);
return -1;
}
}
if (coda_hdf4_create_root(product_file) != 0)
{
coda_hdf4_close((coda_product *)product_file);
return -1;
}
*product = (coda_product *)product_file;
return 0;
}
