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diff --git a/test/vds_env.c b/test/vds_env.c
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+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Copyright by The HDF Group. *
+ * All rights reserved. *
+ * *
+ * This file is part of HDF5. The full HDF5 copyright notice, including *
+ * terms governing use, modification, and redistribution, is contained in *
+ * the COPYING file, which can be found at the root of the source code *
+ * distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases. *
+ * If you do not have access to either file, you may request a copy from *
+ * help@hdfgroup.org. *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+/*
+ * Programmer: Neil Fortner <nfortne2@hdfgroup.org>
+ * Monday, February 16, 2015
+ *
+ * Purpose: Tests datasets with virtual layout.
+ */
+#include "h5test.h"
+
+const char *FILENAME[] = {
+ "vds_env_virt_0",
+ "vds_env_virt_3",
+ "vds_env_src_2",
+ "vds_env_%%_src2",
+ NULL
+};
+
+/* I/O test config flags */
+#define TEST_IO_CLOSE_SRC 0x01u
+#define TEST_IO_DIFFERENT_FILE 0x02u
+#define TEST_IO_REOPEN_VIRT 0x04u
+#define TEST_IO_NTESTS 0x08u
+
+#define FILENAME_BUF_SIZE 1024
+
+#define TMPDIR "tmp/"
+
+/*-------------------------------------------------------------------------
+ * Function: test_vds_prefix_second
+ *
+ * Purpose: Set up vds link prefix via H5Pset_virtual_prefix() to be "tmp"
+ * Should be able to access the target source files in tmp directory via the prefix set
+ * by H5Pset_virtual_prefix()
+ *
+ * Return: Success: 0
+ * Failure: -1
+ *-------------------------------------------------------------------------
+ */
+static int
+test_vds_prefix_second(unsigned config, hid_t fapl)
+{
+ char srcfilename[FILENAME_BUF_SIZE];
+ char srcfilename_map[FILENAME_BUF_SIZE];
+ char vfilename[FILENAME_BUF_SIZE];
+ char vfilename2[FILENAME_BUF_SIZE];
+ char srcfilenamepct[FILENAME_BUF_SIZE];
+ char srcfilenamepct_map[FILENAME_BUF_SIZE];
+ const char *srcfilenamepct_map_orig = "vds%%%%_src";
+ hid_t srcfile[4] = {-1, -1, -1, -1}; /* Files with source dsets */
+ hid_t vfile = -1; /* File with virtual dset */
+ hid_t dcpl = -1; /* Dataset creation property list */
+ hid_t dapl = -1; /* Dataset access property list */
+ hid_t srcspace[4] = {-1, -1, -1, -1}; /* Source dataspaces */
+ hid_t vspace[4] = {-1, -1, -1, -1}; /* Virtual dset dataspaces */
+ hid_t memspace = -1; /* Memory dataspace */
+ hid_t srcdset[4] = {-1, -1, -1, -1}; /* Source datsets */
+ hid_t vdset = -1; /* Virtual dataset */
+ hsize_t dims[4] = {10, 26, 0, 0}; /* Data space current size */
+ int buf[10][26]; /* Write and expected read buffer */
+ int rbuf[10][26]; /* Read buffer */
+ int fill = -1; /* Fill value */
+ int i, j;
+ char buffer[1024]; /* buffer to read vds_prefix */
+
+ TESTING("basic virtual dataset I/O via H5Pset_vds_prefix(): all selection with ENV prefix")
+
+ h5_fixname(FILENAME[0], fapl, vfilename, sizeof vfilename);
+ h5_fixname(FILENAME[1], fapl, vfilename2, sizeof vfilename2);
+ h5_fixname(FILENAME[2], fapl, srcfilename, sizeof srcfilename);
+ h5_fixname_printf(FILENAME[2], fapl, srcfilename_map, sizeof srcfilename_map);
+ h5_fixname(FILENAME[3], fapl, srcfilenamepct, sizeof srcfilenamepct);
+ h5_fixname_printf(srcfilenamepct_map_orig, fapl, srcfilenamepct_map, sizeof srcfilenamepct_map);
+
+ /* create tmp directory and get current working directory path */
+ if (HDmkdir(TMPDIR, (mode_t)0755) < 0 && errno != EEXIST)
+ TEST_ERROR
+
+ /* Create DCPL */
+ if((dcpl = H5Pcreate(H5P_DATASET_CREATE)) < 0)
+ TEST_ERROR
+
+ /* Set fill value */
+ if(H5Pset_fill_value(dcpl, H5T_NATIVE_INT, &fill) < 0)
+ TEST_ERROR
+
+ /* Set prefix to a nonexistent directory, will be overwritten by environment variable */
+ if((dapl = H5Pcreate(H5P_DATASET_ACCESS)) < 0)
+ TEST_ERROR
+
+ if(H5Pset_virtual_prefix(dapl, "someprefix") < 0)
+ TEST_ERROR
+ if(H5Pget_virtual_prefix(dapl, buffer, sizeof(buffer)) < 0)
+ TEST_ERROR
+
+ if(HDstrcmp(buffer, "someprefix") != 0)
+ FAIL_PUTS_ERROR("vds prefix not set correctly");
+
+ /* Create source dataspace */
+ if((srcspace[0] = H5Screate_simple(2, dims, NULL)) < 0)
+ TEST_ERROR
+
+ /* Create virtual dataspace */
+ if((vspace[0] = H5Screate_simple(2, dims, NULL)) < 0)
+ TEST_ERROR
+
+ /* Select all (should not be necessary, but just to be sure) */
+ if(H5Sselect_all(srcspace[0]) < 0)
+ TEST_ERROR
+ if(H5Sselect_all(vspace[0]) < 0)
+ TEST_ERROR
+
+ /* Add virtual layout mapping */
+ if(H5Pset_virtual(dcpl, vspace[0], config & TEST_IO_DIFFERENT_FILE ? srcfilename_map : ".", "src_dset", srcspace[0]) < 0)
+ TEST_ERROR
+
+ /* Create virtual file */
+ if((vfile = H5Fcreate(vfilename2, H5F_ACC_TRUNC, H5P_DEFAULT, fapl)) < 0)
+ TEST_ERROR
+
+ /* Create source file if requested */
+ if(config & TEST_IO_DIFFERENT_FILE) {
+ HDgetcwd(buffer, 1024);
+ HDchdir(TMPDIR);
+ if((srcfile[0] = H5Fcreate(srcfilename, H5F_ACC_TRUNC, H5P_DEFAULT, fapl)) < 0)
+ TEST_ERROR
+ HDchdir(buffer);
+ }
+ else {
+ srcfile[0] = vfile;
+ if(H5Iinc_ref(srcfile[0]) < 0)
+ TEST_ERROR
+ }
+
+ /* Create source dataset */
+ if((srcdset[0] = H5Dcreate2(srcfile[0], "src_dset", H5T_NATIVE_INT, srcspace[0], H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0)
+ TEST_ERROR
+
+ /* Create virtual dataset */
+ if((vdset = H5Dcreate2(vfile, "v_dset", H5T_NATIVE_INT, vspace[0], H5P_DEFAULT, dcpl, dapl)) < 0)
+ TEST_ERROR
+
+ /* Populate write buffer */
+ for(i = 0; i < (int)(sizeof(buf) / sizeof(buf[0])); i++)
+ for(j = 0; j < (int)(sizeof(buf[0]) / sizeof(buf[0][0])); j++)
+ buf[i][j] = (i * (int)(sizeof(buf[0]) / sizeof(buf[0][0]))) + j;
+
+ /* Write data directly to source dataset */
+ if(H5Dwrite(srcdset[0], H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, buf[0]) < 0)
+ TEST_ERROR
+
+ /* Close srcdset and srcfile if config option specified */
+ if(config & TEST_IO_CLOSE_SRC) {
+ if(H5Dclose(srcdset[0]) < 0)
+ TEST_ERROR
+ srcdset[0] = -1;
+
+ if(config & TEST_IO_DIFFERENT_FILE) {
+ if(H5Fclose(srcfile[0]) < 0)
+ TEST_ERROR
+ srcfile[0] = -1;
+ }
+ }
+
+ /* Reopen virtual dataset and file if config option specified */
+ if(config & TEST_IO_REOPEN_VIRT) {
+ if(H5Dclose(vdset) < 0)
+ TEST_ERROR
+ vdset = -1;
+ if(H5Fclose(vfile) < 0)
+ TEST_ERROR
+ vfile = -1;
+ if((vfile = H5Fopen(vfilename2, H5F_ACC_RDWR, fapl)) < 0)
+ TEST_ERROR
+ if((vdset = H5Dopen2(vfile, "v_dset", dapl)) < 0)
+ TEST_ERROR
+ }
+
+ /* Read data through virtual dataset */
+ HDmemset(rbuf[0], 0, sizeof(rbuf));
+ if(H5Dread(vdset, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, rbuf[0]) < 0)
+ TEST_ERROR
+
+ /* Verify read data */
+ for(i = 0; i < (int)(sizeof(buf) / sizeof(buf[0])); i++) {
+ for(j = 0; j < (int)(sizeof(buf[0]) / sizeof(buf[0][0])); j++)
+ if(rbuf[i][j] != buf[i][j]) {
+ TEST_ERROR
+ }
+ }
+
+ /* Adjust write buffer */
+ for(i = 0; i < (int)(sizeof(buf) / sizeof(buf[0])); i++)
+ for(j = 0; j < (int)(sizeof(buf[0]) / sizeof(buf[0][0])); j++)
+ buf[i][j] += (int)(sizeof(buf) / sizeof(buf[0][0]));
+
+ /* Write data through virtual dataset */
+ if(H5Dwrite(vdset, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, buf[0]) < 0)
+ TEST_ERROR
+
+ /* Reopen srcdset and srcfile if config option specified */
+ if(config & TEST_IO_CLOSE_SRC) {
+ if(config & TEST_IO_DIFFERENT_FILE) {
+ HDgetcwd(buffer, 1024);
+ HDchdir(TMPDIR);
+ if((srcfile[0] = H5Fopen(srcfilename, H5F_ACC_RDONLY, fapl)) < 0)
+ TEST_ERROR
+ HDchdir(buffer);
+ }
+ if((srcdset[0] = H5Dopen2(srcfile[0], "src_dset", H5P_DEFAULT)) < 0)
+ TEST_ERROR
+ }
+
+ /* Read data directly from source dataset */
+ HDmemset(rbuf[0], 0, sizeof(rbuf));
+ if(H5Dread(srcdset[0], H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, rbuf[0]) < 0)
+ TEST_ERROR
+
+ /* Verify read data */
+ for(i = 0; i < (int)(sizeof(buf) / sizeof(buf[0])); i++)
+ for(j = 0; j < (int)(sizeof(buf[0]) / sizeof(buf[0][0])); j++)
+ if(rbuf[i][j] != buf[i][j])
+ TEST_ERROR
+
+ /* Close */
+ if(H5Dclose(vdset) < 0)
+ TEST_ERROR
+ vdset = -1;
+ if(H5Dclose(srcdset[0]) < 0)
+ TEST_ERROR
+ srcdset[0] = -1;
+ if(H5Fclose(srcfile[0]) < 0)
+ TEST_ERROR
+ srcfile[0] = -1;
+ if(H5Fclose(vfile) < 0)
+ TEST_ERROR
+ vfile = -1;
+ if(H5Sclose(srcspace[0]) < 0)
+ TEST_ERROR
+ srcspace[0] = -1;
+ if(H5Sclose(vspace[0]) < 0)
+ TEST_ERROR
+ vspace[0] = -1;
+ if(H5Pclose(dapl) < 0)
+ TEST_ERROR
+ dapl = -1;
+ if(H5Pclose(dcpl) < 0)
+ TEST_ERROR
+ dcpl = -1;
+
+ PASSED();
+ return 0;
+
+ error:
+ H5E_BEGIN_TRY {
+ for(i = 0; i < (int)(sizeof(srcdset) / sizeof(srcdset[0])); i++)
+ H5Dclose(srcdset[i]);
+ H5Dclose(vdset);
+ for(i = 0; i < (int)(sizeof(srcfile) / sizeof(srcfile[0])); i++)
+ H5Fclose(srcfile[i]);
+ H5Fclose(vfile);
+ for(i = 0; i < (int)(sizeof(srcspace) / sizeof(srcspace[0])); i++)
+ H5Sclose(srcspace[i]);
+ for(i = 0; i < (int)(sizeof(vspace) / sizeof(vspace[0])); i++)
+ H5Sclose(vspace[i]);
+ H5Sclose(memspace);
+ H5Pclose(dapl);
+ H5Pclose(dcpl);
+ } H5E_END_TRY;
+
+ return 1;
+} /* end test_vds_prefix2 */
+
+
+/*-------------------------------------------------------------------------
+ * Function: main
+ *
+ * Purpose: Tests datasets with virtual layout
+ *
+ * Return: EXIT_SUCCESS/EXIT_FAILURE
+ *-------------------------------------------------------------------------
+ */
+int
+main(void)
+{
+ hid_t fapl;
+ int test_api_config;
+ unsigned bit_config;
+ H5F_libver_t low, high; /* Low and high bounds */
+ unsigned latest = FALSE; /* Using the latest library version bound */
+ int nerrors = 0;
+
+ /* Testing setup */
+ h5_reset();
+ fapl = h5_fileaccess();
+
+ for(bit_config = 0; bit_config < TEST_IO_NTESTS; bit_config++) {
+ HDprintf("Config: %s%s%s\n", bit_config & TEST_IO_CLOSE_SRC ? "closed source dataset, " : "", bit_config & TEST_IO_DIFFERENT_FILE ? "different source file" : "same source file", bit_config & TEST_IO_REOPEN_VIRT ? ", reopen virtual file" : "");
+ nerrors += test_vds_prefix_second(bit_config, fapl);
+ }
+
+ /* Verify symbol table messages are cached */
+ nerrors += (h5_verify_cached_stabs(FILENAME, fapl) < 0 ? 1 : 0);
+
+ if(nerrors)
+ goto error;
+ HDprintf("All virtual dataset tests passed.\n");
+ h5_cleanup(FILENAME, fapl);
+
+ return EXIT_SUCCESS;
+
+error:
+ nerrors = MAX(1, nerrors);
+ HDprintf("***** %d VIRTUAL DATASET TEST%s FAILED! *****\n",
+ nerrors, 1 == nerrors ? "" : "S");
+ return EXIT_FAILURE;
+} /* end main() */