void test_fseek() {
test_work_area_type * work_area = test_work_area_alloc("fortio_fseek" );
{
fortio_type * fortio = fortio_open_writer("PRESSURE" , false , true);
void * buffer = util_malloc( 100 );
fortio_fwrite_record( fortio , buffer , 100);
free( buffer );
fortio_fclose( fortio );
}
{
fortio_type * fortio = fortio_open_reader("PRESSURE" , false , true);
printf("Starting fssek test \n");
test_assert_true( fortio_fseek( fortio , 0 , SEEK_SET ));
test_assert_true( fortio_fseek( fortio , 0 , SEEK_END ));
test_assert_false( fortio_fseek( fortio , 100000 , SEEK_END));
test_assert_false( fortio_fseek( fortio , 100000 , SEEK_SET));
fortio_fclose( fortio );
}
test_work_area_free( work_area );
}
bool fortio_is_fortio_file(fortio_type * fortio) {
offset_type init_pos = fortio_ftell(fortio);
int elm_read;
bool is_fortio_file = false;
elm_read = fread(&fortio->active_header , sizeof(fortio->active_header) , 1 , fortio->stream);
if (elm_read == 1) {
int trailer;
if (fortio->endian_flip_header)
util_endian_flip_vector(&fortio->active_header , sizeof fortio->active_header , 1);
if (fortio_fseek(fortio , (offset_type) fortio->active_header , SEEK_CUR) == 0) {
if (fread(&trailer , sizeof(fortio->active_header) , 1 , fortio->stream) == 1) {
if (fortio->endian_flip_header)
util_endian_flip_vector(&trailer , sizeof trailer , 1);
if (trailer == fortio->active_header)
is_fortio_file = true;
}
}
}
fortio_fseek(fortio , init_pos , SEEK_SET);
return is_fortio_file;
}
void test_at_eof() {
test_work_area_type * work_area = test_work_area_alloc("fortio_truncated2" );
{
fortio_type * fortio = fortio_open_writer("PRESSURE" , false , true);
void * buffer = util_malloc( 100 );
fortio_fwrite_record( fortio , buffer , 100);
free( buffer );
fortio_fclose( fortio );
}
{
fortio_type * fortio = fortio_open_reader("PRESSURE" , false , true);
test_assert_false( fortio_read_at_eof( fortio ));
fortio_fseek( fortio , 50 , SEEK_SET );
test_assert_false( fortio_read_at_eof( fortio ));
fortio_fseek( fortio , 0 , SEEK_END );
test_assert_true( fortio_read_at_eof( fortio ));
fortio_fclose( fortio );
}
test_work_area_free( work_area );
}
void test_fread_truncated_tail() {
test_work_area_type * work_area = test_work_area_alloc("fortio_truncated2" );
{
const size_t buffer_size = 1000;
void * buffer = util_malloc( buffer_size );
{
fortio_type * fortio = fortio_open_writer( "PRESSURE" , false , true );
fortio_fwrite_record( fortio , buffer , buffer_size );
fortio_fseek( fortio , 0 , SEEK_SET);
util_ftruncate( fortio_get_FILE(fortio) , buffer_size + 4);
fortio_fclose( fortio );
}
test_assert_long_equal( util_file_size( "PRESSURE") , buffer_size + 4);
{
fortio_type * fortio = fortio_open_reader( "PRESSURE" , false , true );
test_assert_false( fortio_fread_buffer( fortio , buffer , buffer_size ));
fortio_fclose( fortio );
}
free( buffer );
}
test_work_area_free( work_area );
}
void fortio_data_fskip(fortio_type* fortio, const int element_size, const int element_count, const int block_count) {
int headers = block_count * 4;
int trailers = block_count * 4;
int bytes_to_skip = headers + trailers + (element_size * element_count);
fortio_fseek(fortio, bytes_to_skip, SEEK_CUR);
}
void ecl_file_kw_inplace_fwrite( ecl_file_kw_type * file_kw , fortio_type * fortio) {
ecl_file_kw_assert_kw( file_kw );
fortio_fseek( fortio , file_kw->file_offset , SEEK_SET );
ecl_kw_fskip_header( fortio );
fortio_fclean(fortio);
ecl_kw_fwrite_data( file_kw->kw , fortio );
}
void fortio_data_fseek(fortio_type* fortio, offset_type data_offset, size_t data_element, const int element_size, const int element_count, const int block_size) {
if(data_element < 0 || data_element >= element_count) {
util_abort("%s: Element index is out of range: 0 <= %d < %d \n", __func__, data_element, element_count);
}
{
int block_index = data_element / block_size;
int headers = (block_index + 1) * 4;
int trailers = block_index * 4;
offset_type bytes_to_skip = data_offset + headers + trailers + (data_element * element_size);
fortio_fseek(fortio, bytes_to_skip, SEEK_SET);
}
}
static void ecl_file_kw_load_kw( ecl_file_kw_type * file_kw , fortio_type * fortio , inv_map_type * inv_map) {
if (fortio == NULL)
util_abort("%s: trying to load a keyword after the backing file has been detached.\n",__func__);
if (file_kw->kw != NULL)
ecl_file_kw_drop_kw( file_kw , inv_map );
{
fortio_fseek( fortio , file_kw->file_offset , SEEK_SET );
file_kw->kw = ecl_kw_fread_alloc( fortio );
ecl_file_kw_assert_kw( file_kw );
inv_map_add_kw( inv_map , file_kw , file_kw->kw );
}
}
void ecl_file_kw_replace_kw( ecl_file_kw_type * file_kw , fortio_type * target , ecl_kw_type * new_kw ) {
if ((file_kw->ecl_type == ecl_kw_get_type( new_kw )) &&
(file_kw->kw_size == ecl_kw_get_size( new_kw ))) {
if (file_kw->kw != NULL)
ecl_kw_free( file_kw->kw );
file_kw->kw = new_kw;
fortio_fseek( target , file_kw->file_offset , SEEK_SET );
ecl_kw_fwrite( file_kw->kw , target );
} else
util_abort("%s: sorry size/type mismatch between in-file keyword and new keyword \n",__func__);
}
void ecl_file_kw_replace_kw( ecl_file_kw_type * file_kw , fortio_type * target , ecl_kw_type * new_kw ) {
if (!ecl_type_is_equal(
ecl_file_kw_get_data_type(file_kw),
ecl_kw_get_data_type(new_kw)
))
util_abort("%s: sorry type mismatch between in-file keyword and new keyword \n",__func__);
if(file_kw->kw_size != ecl_kw_get_size(new_kw))
util_abort("%s: sorry size mismatch between in-file keyword and new keyword \n",__func__);
if (file_kw->kw != NULL)
ecl_kw_free( file_kw->kw );
file_kw->kw = new_kw;
fortio_fseek( target , file_kw->file_offset , SEEK_SET );
ecl_kw_fwrite( file_kw->kw , target );
}
int fortio_fskip_record(fortio_type *fortio) {
int record_size = fortio_init_read(fortio);
fortio_fseek(fortio , (offset_type) record_size , SEEK_CUR);
fortio_complete_read(fortio);
return record_size;
}
int main( int argc , char ** argv) {
int num_kw = 1000; // Total file size should roughly exceed 2GB
int kw_size = 600000;
ecl_kw_type * kw = ecl_kw_alloc("KW" , kw_size , ECL_INT_TYPE );
rng_type * rng = rng_alloc( MZRAN , INIT_DEFAULT );
int i;
offset_type file_size;
for (i=0; i < kw_size; i++)
ecl_kw_iset_int( kw , i , rng_get_int( rng , 912732 ));
{
fortio_type * fortio = fortio_open_writer( "LARGE_FILE.UNRST" , false , ECL_ENDIAN_FLIP);
for (i = 0; i < num_kw; i++) {
printf("Writing keyword %d/%d to file:LARGE_FILE.UNRST \n",i+1 , num_kw );
ecl_kw_fwrite( kw , fortio );
}
fortio_fclose( fortio );
}
/*{
fortio_type * fortio = fortio_open_reader( "LARGE_FILE.UNRST" , false , ECL_ENDIAN_FLIP);
for (i = 0; i < num_kw - 1; i++) {
printf("SKipping keyword %d/%d from file:LARGE_FILE.UNRST \n",i+1 , num_kw );
ecl_kw_fskip( fortio );
}
{
ecl_kw_type * file_kw = ecl_kw_fread_alloc( fortio );
if (ecl_kw_equal( kw , file_kw ))
printf("Keyword read back from file correctly :-) \n");
else
printf("Fatal error - keyword different on return ...\n");
ecl_kw_free( file_kw );
}
fortio_fclose( fortio );
}
*/
file_size = util_file_size( "LARGE_FILE.UNRST" );
printf("File size: %lld \n",file_size);
{
fortio_type * fortio = fortio_open_reader( "LARGE_FILE.UNRST" , false , ECL_ENDIAN_FLIP);
printf("Seeking to file end: ");
fortio_fseek( fortio , file_size , SEEK_SET);
fortio_fclose( fortio );
printf("Seek OK \n");
}
printf("Doing ecl_file_open(..)\n");
{
ecl_file_type * file = ecl_file_open( "LARGE_FILE.UNRST" , 0);
ecl_kw_type * file_kw = ecl_file_iget_named_kw( file , "KW" , num_kw - 1);
if (ecl_kw_equal( kw , file_kw ))
printf("Keyword read back from file correctly :-) \n");
else
printf("Fatal error - keyword different on return ...\n");
ecl_file_close( file );
}
remove( "LARGE_FILE.UNRST" );
exit(0);
}