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/*
* Copyright © 1998 NCSA
* All rights reserved.
*
* Programmer: Saurabh Bagchi (bagchi@uiuc.edu)
* Friday, August 6, 1999.
*
* Modifications: Saurabh Bagchi (Aug 17, 1999)
* Modified to work with VFL (HDF51.3).
*/
/* Test the following functionality of the GASS driver.
1. Open a remote file for write.
2. Create a new dataset within the file.
3. Create a local memory buffer to hold the data.
4. Write the local data to the remote dataset.
*/
#include <h5test.h>
#ifndef HAVE_GASS
int main(void)
{
printf("Test skipped because GASS driver not available\n");
return 0;
}
#else
#define URL "ftp://gass:gass12@eirene/tmp/gass/junk.w"
#define DATASETNAME "IntArray"
#define NX 5 /* dataset dimensions */
#define NY 6
#define RANK 2
int main (void)
{
hid_t fapl =-1, file;
hid_t dataspace, datatype, dataset;
hsize_t dimsf[2];
herr_t status = 0;
int data[NX][NY]; /* data to write */
int i, j;
GASS_Info ginf;
/*
* Data and output buffer initialization.
*/
for (j = 0; j < NX; j++) {
for (i = 0; i < NY; i++)
data[j][i] = i + j;
}
/*
* 0 1 2 3 4 5
* 1 2 3 4 5 6
* 2 3 4 5 6 7
* 3 4 5 6 7 8
* 4 5 6 7 8 9
*/
/* Create access property list and set the driver to GASS */
fapl = H5Pcreate (H5P_FILE_ACCESS);
if (fapl < 0) {
printf (" H5Pcreate failed. \n");
return -1;
}
ginf.block_size = 0;
ginf.max_length =0;
/* ginf = GASS_INFO_NULL;*/
status = H5Pset_fapl_gass (fapl, ginf);
if (status < 0) {
printf ("H5Pset_fapl_gass failed. \n");
return -1;
}
/*
* Create a new file using H5F_ACC_TRUNC access,
* default file creation properties, and gass file
* access properties.
*/
// file = H5Fcreate(URL, H5F_ACC_TRUNC, H5P_DEFAULT, fapl);
// Works. Truncates existing files.
// file = H5Fcreate(URL, H5F_ACC_EXCL, H5P_DEFAULT, fapl);
// Works. Croaks if existing file, else creates.
// Any other flag has no effect as long as one and exactly one of TRUNC/
// EXCL is there
/* printf ("I'm here just before H5Fcreate. \n");*/
file = H5Fcreate(URL, H5F_ACC_TRUNC, H5P_DEFAULT, fapl);
if (file < 0) {
printf ("H5Fcreate failed. \n");
return -1;
}
/*
* Describe the size of the array and create the data space for fixed
* size dataset.
*/
dimsf[0] = NX;
dimsf[1] = NY;
dataspace = H5Screate_simple(RANK, dimsf, NULL);
if (dataspace < 0) {
printf ("H5Screate failed. \n");
return -1;
}
/*
* Define datatype for the data in the file.
* We will store little endian INT numbers.
*/
datatype = H5Tcopy(H5T_NATIVE_INT);
if (datatype < 0) {
printf ("H5Tcopy failed. \n");
return -1;
}
status = H5Tset_order(datatype, H5T_ORDER_LE);
if (status < 0) {
printf ("H5Tset_order failed. \n");
return -1;
}
/*
* Create a new dataset within the file using defined dataspace and
* datatype and default dataset creation properties.
*/
dataset = H5Dcreate(file, DATASETNAME, datatype, dataspace,
H5P_DEFAULT);
if (dataset < 0) {
printf ("H5Dcreate failed. \n");
return -1;
}
/*
* Write the data to the dataset using default transfer properties.
*/
status = H5Dwrite(dataset, H5T_NATIVE_INT, H5S_ALL, H5S_ALL,
H5P_DEFAULT, data);
if (status < 0) {
printf ("H5Dwrite failed. \n");
return -1;
}
/*
* Close/release resources.
*/
H5Sclose(dataspace);
H5Tclose(datatype);
H5Dclose(dataset);
H5Fclose(file);
H5Pclose(fapl);
return 0;
}
#endif
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