/**
@param ncid - only needed for a compound type
@param xtype - type for which alignment is requested
*/
EXTERNL size_t
ncaux_type_alignment(int xtype, int ncid)
{
if(!NC_alignments_computed) {
NC_compute_alignments();
ncaux_initialized = 1;
}
if(xtype <= NC_MAX_ATOMIC_TYPE)
return NC_class_alignment(xtype); /* type == class */
#ifdef USE_NETCDF4
else {/* Presumably a user type */
int klass = NC_NAT;
int stat = nc_inq_user_type(ncid,xtype,NULL,NULL,NULL,NULL,&klass);
if(stat) goto done;
switch(klass) {
case NC_VLEN: return NC_class_alignment(klass);
case NC_OPAQUE: return NC_class_alignment(klass);
case NC_COMPOUND: {/* get alignment of the first field of the compound */
int fieldtype = NC_NAT;
if((stat=nc_inq_compound_fieldtype(ncid,xtype,0,&fieldtype))) goto done;
return ncaux_type_alignment(fieldtype,ncid); /* may recurse repeatedly */
} break;
default: break;
}
}
done:
#endif /*USE_NETCDF4 */
return 0; /* fail */
}
static int
reclaim_usertype(int ncid, int xtype, Position* offset)
{
int stat = NC_NOERR;
size_t size;
nc_type basetype;
size_t nfields;
int klass;
/* Get info about the xtype */
stat = nc_inq_user_type(ncid, xtype, NULL, &size, &basetype, &nfields, &klass);
switch (klass) {
case NC_OPAQUE: stat = reclaim_opaque(ncid,xtype,size,offset); break;
case NC_ENUM: stat = reclaim_enum(ncid,xtype,basetype,size,offset); break;
case NC_COMPOUND: stat = reclaim_compound(ncid,xtype,size,nfields,offset); break;
case NC_VLEN: stat = reclaim_vlen(ncid,xtype,basetype,offset); break;
default:
stat = NC_EINVAL;
break;
}
return stat;
}
int
main(int argc, char **argv)
{
int ncid;
size_t size_in;
nc_type xtype;
unsigned char data[DIM_LEN][BASE_SIZE], data_in[DIM_LEN][BASE_SIZE];
int i, j;
printf("\n*** Testing netcdf-4 opaque type.\n");
for (i=0; i<DIM_LEN; i++)
for (j=0; j<BASE_SIZE; j++)
data[i][j] = 0;
printf("*** testing scalar opaque variable...");
{
int varid;
char name_in[NC_MAX_NAME+1];
size_t nfields_in, base_size_in;
nc_type base_nc_type_in, var_type;
int class_in;
char var_name[NC_MAX_NAME+1];
int nvars, natts, ndims, unlimdimid;
/* Create a file that has an opaque variable. */
if (nc_create(FILE_NAME, NC_NETCDF4|NC_CLOBBER, &ncid)) ERR;
if (nc_def_opaque(ncid, BASE_SIZE, TYPE_NAME, &xtype)) ERR;
if (nc_inq_user_type(ncid, xtype, name_in, &base_size_in, &base_nc_type_in, &nfields_in, &class_in)) ERR;
if (strcmp(name_in, TYPE_NAME) || base_size_in != BASE_SIZE ||
base_nc_type_in != 0 || nfields_in != 0 || class_in != NC_OPAQUE) ERR;
if (nc_inq_opaque(ncid, xtype, name_in, &base_size_in)) ERR;
if (strcmp(name_in, TYPE_NAME) || base_size_in != BASE_SIZE) ERR;
if (nc_def_var(ncid, VAR_NAME, xtype, 0, NULL, &varid)) ERR;
if (nc_put_var(ncid, varid, &data[0])) ERR;
if (nc_close(ncid)) ERR;
/* Check it out. */
if (nc_open(FILE_NAME, NC_NOWRITE, &ncid)) ERR;
if (nc_inq(ncid, &ndims, &nvars, &natts, &unlimdimid)) ERR;
if (ndims != 0 || nvars != 1 || natts != 0 || unlimdimid != -1) ERR;
if (nc_inq_var(ncid, 0, var_name, &var_type, &ndims, NULL, &natts)) ERR;
if (ndims != 0 || strcmp(var_name, VAR_NAME) || natts != 0) ERR;
if (nc_get_var(ncid, 0, &data_in[0])) ERR;
for (j = 0; j < BASE_SIZE; j++)
if (data_in[0][j] != data[0][j]) ERR;
if (nc_close(ncid)) ERR;
}
SUMMARIZE_ERR;
printf("*** testing opaque variable...");
{
int dimid, varid, dimids[] = {0};
char name_in[NC_MAX_NAME+1];
nc_type base_nc_type_in, var_type;
size_t nfields_in, base_size_in;
int class_in;
char var_name[NC_MAX_NAME+1];
int nvars, natts, ndims, unlimdimid, dimids_var[1];
/* Create a file that has an opaque variable. */
if (nc_create(FILE_NAME, NC_NETCDF4|NC_CLOBBER, &ncid)) ERR;
if (nc_def_opaque(ncid, BASE_SIZE, TYPE_NAME, &xtype)) ERR;
if (nc_inq_user_type(ncid, xtype, name_in, &base_size_in, &base_nc_type_in, &nfields_in, &class_in)) ERR;
if (strcmp(name_in, TYPE_NAME) || base_size_in != BASE_SIZE ||
base_nc_type_in != 0 || nfields_in != 0 || class_in != NC_OPAQUE) ERR;
if (nc_inq_opaque(ncid, xtype, name_in, &base_size_in)) ERR;
if (strcmp(name_in, TYPE_NAME) || base_size_in != BASE_SIZE) ERR;
if (nc_def_dim(ncid, DIM_NAME, DIM_LEN, &dimid)) ERR;
if (nc_def_var(ncid, VAR_NAME, xtype, 1, dimids, &varid)) ERR;
if (nc_put_var(ncid, varid, data)) ERR;
if (nc_close(ncid)) ERR;
/* Check it out. */
if (nc_open(FILE_NAME, NC_NOWRITE, &ncid)) ERR;
if (nc_inq(ncid, &ndims, &nvars, &natts, &unlimdimid)) ERR;
if (ndims != 1 || nvars != 1 || natts != 0 || unlimdimid != -1) ERR;
if (nc_inq_var(ncid, 0, var_name, &var_type, &ndims, dimids_var, &natts)) ERR;
if (ndims != 1 || strcmp(var_name, VAR_NAME) ||
dimids_var[0] != dimids[0] || natts != 0) ERR;
if (nc_get_var(ncid, 0, data_in)) ERR;
for (i=0; i<DIM_LEN; i++)
for (j=0; j<BASE_SIZE; j++)
if (data_in[i][j] != data[i][j]) ERR;
if (nc_close(ncid)) ERR;
}
SUMMARIZE_ERR;
printf("*** testing *really* simple opaque attribute...");
{
/* Create a file that has an opaque attribute. */
if (nc_create(FILE_NAME, NC_NETCDF4, &ncid)) ERR;
if (nc_def_opaque(ncid, BASE_SIZE, TYPE_NAME, &xtype)) ERR;
/* Write an att. */
if (nc_put_att(ncid, NC_GLOBAL, ATT_NAME, xtype, DIM_LEN, data)) ERR;
if (nc_close(ncid)) ERR;
/* Reopen. */
if (nc_open(FILE_NAME, NC_NOWRITE, &ncid)) ERR;
if (nc_close(ncid)) ERR;
}
SUMMARIZE_ERR;
printf("*** testing opaque attribute...");
{
char name_in[NC_MAX_NAME+1];
nc_type base_nc_type_in;
size_t base_size_in;
size_t nfields_in;
int class_in;
/* Create a file that has an opaque attribute. */
if (nc_create(FILE_NAME, NC_NETCDF4, &ncid)) ERR;
if (nc_def_opaque(ncid, BASE_SIZE, TYPE_NAME, &xtype)) ERR;
/* Check it out. */
if (nc_inq_user_type(ncid, xtype, name_in, &base_size_in, &base_nc_type_in,
&nfields_in, &class_in)) ERR;
if (strcmp(name_in, TYPE_NAME) || base_size_in != BASE_SIZE ||
base_nc_type_in != 0 || nfields_in != 0 || class_in != NC_OPAQUE) ERR;
if (nc_inq_opaque(ncid, xtype, name_in, &base_size_in)) ERR;
if (strcmp(name_in, TYPE_NAME) || base_size_in != BASE_SIZE) ERR;
/* Write an att. */
if (nc_put_att(ncid, NC_GLOBAL, ATT_NAME, xtype, DIM_LEN, data)) ERR;
if (nc_close(ncid)) ERR;
/* Reopen. */
if (nc_open(FILE_NAME, NC_NOWRITE, &ncid)) ERR;
/* Check it out. */
if (nc_inq_att(ncid, NC_GLOBAL, ATT_NAME, &xtype, &size_in)) ERR;
if (size_in != DIM_LEN) ERR;
if (nc_inq_user_type(ncid, xtype, name_in, &base_size_in, &base_nc_type_in, &nfields_in, &class_in)) ERR;
if (strcmp(name_in, TYPE_NAME) || base_size_in != BASE_SIZE ||
base_nc_type_in != 0 || nfields_in != 0 || class_in != NC_OPAQUE) ERR;
if (nc_inq_opaque(ncid, xtype, name_in, &base_size_in)) ERR;
if (strcmp(name_in, TYPE_NAME) || base_size_in != BASE_SIZE) ERR;
if (nc_get_att(ncid, NC_GLOBAL, ATT_NAME, data_in)) ERR;
for (i=0; i<DIM_LEN; i++)
for (j=0; j<BASE_SIZE; j++)
if (data_in[i][j] != data[i][j]) ERR;
if (nc_close(ncid)) ERR;
}
SUMMARIZE_ERR;
printf("*** testing 3 opaque types...");
{
#define TYPE_SIZE1 20
#define NUM_TYPES 3
char name_in[NC_MAX_NAME+1];
nc_type base_nc_type_in;
size_t nfields_in, base_size_in;
nc_type otid[3];
int class_in;
char type_name[NUM_TYPES][NC_MAX_NAME + 1] = {"o1", "o2", "o3"};
int nvars, natts, ndims, unlimdimid;
int ntypes, typeids[NUM_TYPES];
int i;
/* Create a file that has three opaque types. */
if (nc_create(FILE_NAME, NC_NETCDF4|NC_CLOBBER, &ncid)) ERR;
for (i = 0; i < NUM_TYPES; i++)
{
if (nc_def_opaque(ncid, TYPE_SIZE1, type_name[i], &otid[i])) ERR;
if (nc_inq_user_type(ncid, otid[i], name_in, &base_size_in, &base_nc_type_in, &nfields_in, &class_in)) ERR;
if (strcmp(name_in, type_name[i]) || base_size_in != TYPE_SIZE1 ||
base_nc_type_in != 0 || nfields_in != 0 || class_in != NC_OPAQUE) ERR;
if (nc_inq_opaque(ncid, otid[i], name_in, &base_size_in)) ERR;
if (strcmp(name_in, type_name[i]) || base_size_in != TYPE_SIZE1) ERR;
}
if (nc_close(ncid)) ERR;
/* Check it out. */
if (nc_open(FILE_NAME, NC_NOWRITE, &ncid)) ERR;
if (nc_inq(ncid, &ndims, &nvars, &natts, &unlimdimid)) ERR;
if (ndims != 0 || nvars != 0 || natts != 0 || unlimdimid != -1) ERR;
if (nc_inq_typeids(ncid, &ntypes, typeids)) ERR;
if (ntypes != NUM_TYPES) ERR;
for (i = 0; i < NUM_TYPES; i++)
{
if (nc_inq_user_type(ncid, otid[i], name_in, &base_size_in, &base_nc_type_in, &nfields_in, &class_in)) ERR;
if (strcmp(name_in, type_name[i]) || base_size_in != TYPE_SIZE1 ||
base_nc_type_in != 0 || nfields_in != 0 || class_in != NC_OPAQUE) ERR;
if (nc_inq_opaque(ncid, otid[i], name_in, &base_size_in)) ERR;
if (strcmp(name_in, type_name[i]) || base_size_in != TYPE_SIZE1) ERR;
}
if (nc_close(ncid)) ERR;
}
SUMMARIZE_ERR;
FINAL_RESULTS;
}
/* Given an ncid, check the file to make sure it has all the objects I
* expect. */
int
check_nc4_file(int ncid)
{
int varid, dimid, attnum, grpid, grpid2, grpid3, numgrps;
int numtypes, enum_typeid, comp_typeid;
int class_in;
size_t att_len, size_in, num_mem, nfields_in;
nc_type att_type, base_type_in;
char name_in[NC_MAX_NAME + 1], strings_in[NC_MAX_NAME + 1], value;
/* Check the group. */
if (nc_inq_grps(ncid, &numgrps, &grpid)) ERR;
if (numgrps != 1) ERR;
name_in[0] = 0;
if (nc_inq_grpname(grpid, name_in)) ERR;
if (strncmp(norm_utf8, name_in, sizeof(norm_utf8))) ERR;
/* Check the variable. */
if (nc_inq_varid(grpid, name_utf8, &varid)) ERR;
if (nc_inq_varname(grpid, varid, name_in)) ERR;
if (strncmp(norm_utf8, name_in, sizeof(norm_utf8))) ERR;
if (nc_inq_varid(grpid, norm_utf8, &varid)) ERR;
name_in[0] = 0;
if (nc_inq_varname(grpid, varid, name_in)) ERR;
if (strncmp(norm_utf8, name_in, sizeof(norm_utf8))) ERR;
if (nc_get_var(grpid, varid, strings_in)) ERR;
if (strncmp(name_utf8, strings_in, sizeof(name_utf8))) ERR;
strings_in[0] = '\0'; /* Reset my string buffer. */
/* Check the dimension. */
if (nc_inq_dimid(grpid, name_utf8, &dimid)) ERR;
if (nc_inq_dimname(grpid, dimid, name_in)) ERR;
if (strncmp(norm_utf8, name_in, sizeof(norm_utf8))) ERR;
if (nc_inq_dimid(grpid, norm_utf8, &dimid)) ERR;
if (nc_inq_dimname(grpid, dimid, name_in)) ERR;
if (strncmp(norm_utf8, name_in, sizeof(norm_utf8))) ERR;
/* Check the attribute. We don't normalize data or attribute
* values, so get exactly what was put for the value, but
* normalized values for names. */
if (nc_inq_attid(grpid, varid, norm_utf8, &attnum)) ERR;
if (attnum) ERR;
attnum = 99; /* Reset. */
if (nc_inq_attid(grpid, varid, name_utf8, &attnum)) ERR;
if (attnum) ERR;
if (nc_inq_att(grpid, varid, norm_utf8, &att_type, &att_len)) ERR;
if (att_type != NC_CHAR || att_len != sizeof(name_utf8)) ERR;
if (nc_get_att_text(grpid, varid, norm_utf8, strings_in)) ERR;
if (strncmp(name_utf8, strings_in, sizeof(name_utf8))) ERR;
/* Check the enum type. */
if (nc_inq_grps(grpid, &numgrps, &grpid2)) ERR;
if (numgrps != 1) ERR;
if (nc_inq_typeids(grpid2, &numtypes, &enum_typeid)) ERR;
if (numtypes != 1) ERR;
if (nc_inq_user_type(grpid2, enum_typeid, name_in, &size_in, &base_type_in,
&nfields_in, &class_in)) ERR;
if (strncmp(norm_utf8, name_in, strlen(norm_utf8)) || size_in != 1 ||
base_type_in != NC_BYTE || nfields_in != 1 || class_in != NC_ENUM) ERR;
name_in[0] = size_in = base_type_in = 0;
if (nc_inq_enum(grpid2, enum_typeid, name_in, &base_type_in, &size_in, &num_mem)) ERR;
if (strncmp(norm_utf8, name_in, strlen(norm_utf8)) || size_in != 1 ||
base_type_in != NC_BYTE || num_mem != 1) ERR;
if (nc_inq_enum_member(grpid2, enum_typeid, 0, name_in, &value)) ERR;
if (strncmp(norm_utf8, name_in, sizeof(norm_utf8)) || value != ENUM_VALUE) ERR;
/* Check the compound type. */
if (nc_inq_grps(grpid2, &numgrps, &grpid3)) ERR;
if (numgrps != 1) ERR;
if (nc_inq_typeids(grpid3, &numtypes, &comp_typeid)) ERR;
if (numtypes != 1) ERR;
name_in[0] = 0;
if (nc_inq_user_type(grpid3, comp_typeid, name_in, &size_in, &base_type_in,
&nfields_in, &class_in)) ERR;
if (strncmp(norm_utf8, name_in, sizeof(norm_utf8)) || size_in != sizeof(struct comp) ||
base_type_in != NC_NAT || nfields_in != 1 || class_in != NC_COMPOUND) ERR;
size_in = nfields_in = 999;
if (nc_inq_compound(grpid3, comp_typeid, name_in, &size_in, &nfields_in)) ERR;
if (strncmp(norm_utf8, name_in, sizeof(norm_utf8)) || size_in != sizeof(struct comp) ||
nfields_in != 1) ERR;
name_in[0] = 0;
if (nc_inq_compound_fieldname(grpid3, comp_typeid, 0, name_in)) ERR;
if (strncmp(norm_utf8, name_in, sizeof(norm_utf8))) ERR;
return NC_NOERR;
}
static int
NC_meta_create_type1(int ncid, nc_type xtype,
MetaNode* root, MetaNode** typenodep)
{
int ncstat = NC_NOERR;
int i;
MetaNode* node;
nc_meta metatype = NC_NAT;
/* Determine the top-level type for xtype */
ncstat = mapnctype(ncid,xtype,&metatype);
if(ncstat != NC_NOERR) goto done;
node = NC_meta_alloc(metatype);
node->ncid = ncid;
node->xtype = xtype;
switch (node->nodeclass) {
case NC_ATOMIC:
ncstat = nc_inq_type(ncid,xtype,node->name,&node->size);
if(ncstat != NC_NOERR) goto fail;
break;
case NC_OPAQUE:
ncstat = nc_inq_opaque(ncid,xtype,node->name,&node->size);
if(ncstat != NC_NOERR) goto fail;
break;
case NC_ENUM:
ncstat = nc_inq_enum(ncid,xtype,node->name,&node->basetype,
&node->size,&node->nelems);
if(ncstat != NC_NOERR) goto fail;
/* Now, create and fill in the enum constants */
node->econsts = (struct MetaEconst*)calloc(node->nelems,
sizeof(struct MetaEconst));
if(node->econsts == NULL) {ncstat = NC_ENOMEM;goto fail;}
for(i=0;i<node->nelems;i++) {
struct MetaEconst* econst = node->consts+i;
ncstat = nc_inq_enum_member(ncid,xtype,i,
econst->name,
(void*)econst->value);
if(ncstat != NC_NOERR) goto fail;
}
break;
case NC_COMPOUND:
ncstat = nc_inq_compound(ncid,xtype,node->name,&node->size,
&node->nelems);
if(ncstat != NC_NOERR) goto fail;
/* Now, create and fill in the fields */
node->compound.fields = nc_meta_allocn(NC_FIELD,node->nelems);
if(node->compound.fields == NULL) {ncstat = NC_ENOMEM;goto fail;}
for(i=0;i<node->nelems;i++) {
MetaNode* field = node->compound.fields+i;
nc_type basetype;
ncstat = nc_inq_compound_field(ncid,xtype,i,
field->name,
&field->offset,
&basetype,
&field->ndims,
field->dims);
if(ncstat != NC_NOERR) goto fail;
/* create basetype */
ncstat = NC_meta_create_type(ncid,basetype,root,&field->basetype);
if(ncstat != NC_NOERR) goto fail;
}
break;
case NC_VLEN: {
nc_type basetype;
ncstat = nc_inq_vlen(ncid,xtype,node->name,&node->size,&basetype);
if(ncstat != NC_NOERR) goto fail;
/* create basetype */
ncstat = NC_meta_create_type(ncid,basetype,root,&node->basetype);
if(ncstat != NC_NOERR) goto fail;
} break;
case NC_GROUP: {
nc_type* typeids;
ncstat = nc_inq_typeids(ncid,&node->nelems,NULL);
if(ncstat != NC_NOERR) goto fail;
typeids = (nc_type*)calloc(node->nelems,sizeof(nc_type));
if(typeids == NULL) {ncstat = NC_ENOMEM; goto fail;}
ncstat = nc_inq_typeids(ncid,&node->nelems,typeids);
if(ncstat != NC_NOERR) goto fail;
break;
default: abort();
}
}
static int
mapnctype(int ncid, nc_type xtype, nc_meta* metatypep)
{
int ncstat = NC_NOERR;
if(metatypep == NULL) goto done;
if(xtype <= NC_MAX_ATOMIC_TYPE) goto done;
ncstat = nc_inq_user_type(ncid,xtype,NULL,NULL,NULL,NULL,metatypep);
done:
return ncstat;
}
