HDFFV-9724 Initial changes and test

1 files changed, 274 insertions, 0 deletions

diff --git a/test/vds.c b/test/vds.c
index c9b7a1b..3485023 100644
--- a/test/vds.c
+++ b/test/vds.c
@@ -36,6 +36,12 @@ const char *FILENAME[] = {
     "vds_src_1",
     "vds%%_src",
     "vds_dapl",
+    "vds_virt_2",
+    "vds_virt_3",
+    "vds_src_2",
+    "vds_src_3",
+    "vds%%_src2",
+    "vds_dapl2",
     NULL
 };
 
@@ -49,6 +55,8 @@ const char *FILENAME[] = {
 
 #define FILENAME_BUF_SIZE       1024
 
+#define TMPDIR          "tmp/"
+
 
 /*-------------------------------------------------------------------------
  * Function:    vds_select_equal
@@ -1140,6 +1148,271 @@ error:
      return 1;
 } /* end test_api() */
 
+/*-------------------------------------------------------------------------
+ * Function:    vds_link_prefix
+ *
+ * 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(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       vfile2 = -1;    /* File with copied 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 */
+    hsize_t     start[4];       /* Hyperslab start */
+    hsize_t     stride[4];      /* Hyperslab stride */
+    hsize_t     count[4];       /* Hyperslab count */
+    hsize_t     block[4];       /* Hyperslab block */
+    hssize_t    offset[2] = {0, 0}; /* Selection offset */
+    int         buf[10][26];    /* Write and expected read buffer */
+    int         rbuf[10][26];   /* Read buffer */
+    int         rbuf99[9][9];   /* 9x9 Read buffer */
+    int         evbuf[10][26];  /* Expected VDS "buffer" */
+    int         erbuf[10][26];  /* Expected read buffer */
+    int         fill = -1;      /* Fill value */
+    herr_t      ret;            /* Generic return value */
+    int         i, j;
+    char        buffer[1024];   /* buffer to read vds_prefix       */
+
+    TESTING("basic virtual dataset I/O via H5Pset_vds_prefix()")
+
+    h5_fixname(FILENAME[0], fapl, vfilename, sizeof vfilename);
+    h5_fixname(FILENAME[7], fapl, vfilename2, sizeof vfilename2);
+    h5_fixname(FILENAME[8], fapl, srcfilename, sizeof srcfilename);
+    h5_fixname_printf(FILENAME[8], fapl, srcfilename_map, sizeof srcfilename_map);
+    h5_fixname(FILENAME[10], 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
+
+    /* Initialize VDS prefix items */
+    if((dapl = H5Pcreate(H5P_DATASET_ACCESS)) < 0)
+        TEST_ERROR
+
+    if(H5Pset_virtual_prefix(dapl, TMPDIR) < 0)
+        TEST_ERROR
+    if(H5Pget_virtual_prefix(dapl, buffer, sizeof(buffer)) < 0)
+        TEST_ERROR
+
+    if(HDstrcmp(buffer, TMPDIR) != 0)
+        FAIL_PUTS_ERROR("vds prefix not set correctly");
+
+    /*
+     * Test 1: All - all selection
+     */
+    /* 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(vfilename, 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);
+    } /* end if */
+    else {
+        srcfile[0] = vfile;
+        if(H5Iinc_ref(srcfile[0]) < 0)
+            TEST_ERROR
+    } /* end if */
+
+    /* 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;
+        } /* end if */
+    } /* end if */
+
+    /* 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(vfilename, H5F_ACC_RDWR, fapl)) < 0)
+            TEST_ERROR
+        if((vdset = H5Dopen2(vfile, "v_dset", dapl)) < 0)
+            TEST_ERROR
+    } /* end if */
+
+    /* 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
+    } /* end if */
+
+    /* 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(srcdset[0]) < 0)
+        TEST_ERROR
+    srcdset[0] = -1;
+    if(H5Dclose(vdset) < 0)
+        TEST_ERROR
+    vdset = -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;
+
+    PASSED();
+    return 0;
+
+ error:
+    H5E_BEGIN_TRY {
+        for(i = 0; i < (int)(sizeof(srcdset) / sizeof(srcdset[0])); i++) {
+            if(srcdset[i] >= 0)
+                (void)H5Dclose(srcdset[i]);
+        } /* end for */
+        if(vdset >= 0)
+            (void)H5Dclose(vdset);
+        for(i = 0; i < (int)(sizeof(srcfile) / sizeof(srcfile[0])); i++) {
+            if(srcfile[i] >= 0)
+                (void)H5Fclose(srcfile[i]);
+        } /* end for */
+        if(vfile >= 0)
+            (void)H5Fclose(vfile);
+        if(vfile2 >= 0)
+            (void)H5Fclose(vfile2);
+        for(i = 0; i < (int)(sizeof(srcspace) / sizeof(srcspace[0])); i++) {
+            if(srcspace[i] >= 0)
+                (void)H5Sclose(srcspace[i]);
+        } /* end for */
+        for(i = 0; i < (int)(sizeof(vspace) / sizeof(vspace[0])); i++) {
+            if(vspace[i] >= 0)
+                (void)H5Sclose(vspace[i]);
+        } /* end for */
+        if(memspace >= 0)
+            (void)H5Sclose(memspace);
+        if(dcpl >= 0)
+            (void)H5Pclose(dcpl);
+    } H5E_END_TRY;
+
+    return 1;
+} /* end vds_link_prefix() */
+
 
 /*-------------------------------------------------------------------------
  * Function:    test_basic_io
@@ -11299,6 +11572,7 @@ main(void)
     for(bit_config = 0; bit_config < TEST_IO_NTESTS; bit_config++) {
         printf("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_basic_io(bit_config, fapl);
+        nerrors += test_vds_prefix(bit_config, fapl);
         nerrors += test_unlim(bit_config, fapl);
         nerrors += test_printf(bit_config, fapl);
         nerrors += test_all(bit_config, fapl);