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Diffstat (limited to 'test/dpss_write.c')
-rw-r--r-- | test/dpss_write.c | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/test/dpss_write.c b/test/dpss_write.c new file mode 100644 index 0000000..bd0a318 --- /dev/null +++ b/test/dpss_write.c @@ -0,0 +1,149 @@ +/* + * Copyright © 1998 NCSA + * All rights reserved. + * + * Programmer: Saurabh Bagchi (bagchi@uiuc.edu) + * Friday, August 6, 1999. + * + * Modifications: Thomas Radke (tradke@aei-potsdam.mpg.de) + * Modified to work with DPSS Virtual File Driver. + */ + +/* Test the following functionality of the DPSS 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_DPSS +int main(void) +{ + printf("Test skipped because DPSS driver not available\n"); + return 0; +} +#else + +#define DATASETNAME "IntArray" +#define NX 100 /* dataset dimensions */ +#define NY 100 +#define RANK 2 + +int main (int argc, char **argv) +{ + + 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; + + if (argc != 2) { + fprintf (stderr, "Usage: %s <URL>\n", argv [0]); + exit (0); + } + + /* + * 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 DPSS */ + fapl = H5Pcreate (H5P_FILE_ACCESS); + if (fapl < 0) { + printf (" H5Pcreate failed. \n"); + return -1; + } + + status = H5Pset_fapl_dpss (fapl); + if (status < 0) { + printf ("H5Pset_fapl_dpss failed. \n"); + return -1; + } + + /* + * Create a new file using H5F_ACC_TRUNC access, + * default file creation properties, and DPSS file + * access properties. + */ + file = H5Fcreate(argv [1], H5F_ACC_TRUNC, H5P_DEFAULT, fapl); + if (file < 0) { + printf ("Failed to create file instance '%s'\n", argv [1]); + 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 + |