Add support for H5Aget_name, H5Aget_creatE_plist, H5Aget_space, and

H5Aget_type.  Update h5dsm_attr_open.c to test these functions.  Minor
improvemetns to h5dsm_test.sh.

3 files changed, 317 insertions, 142 deletions

diff --git a/examples/h5dsm_attr_open.c b/examples/h5dsm_attr_open.c
index 30eb075..d1a0c80 100644
--- a/examples/h5dsm_attr_open.c
+++ b/examples/h5dsm_attr_open.c
@@ -3,7 +3,13 @@
 int main(int argc, char *argv[]) {
     uuid_t pool_uuid;
     char *pool_grp = NULL;
-    hid_t file = -1, attr = -1, fapl = -1;
+    hid_t file = -1, attr = -1, fapl = -1, space = -1, type = -1, acpl = -1, def_acpl = -1;
+    int ndims;
+    hsize_t dims[2];
+    char *name_buf = NULL;
+    size_t name_buf_size = 0;
+    ssize_t ssize_ret;
+    htri_t tri_ret;
     H5VL_daosm_snap_id_t snap_id;
 
     (void)MPI_Init(&argc, &argv);
@@ -45,6 +51,55 @@ int main(int argc, char *argv[]) {
     if((attr = H5Aopen_by_name(file, argv[3], argv[4], H5P_DEFAULT, H5P_DEFAULT)) < 0)
         ERROR;
 
+    /* Check attribute dataspace */
+    if((space = H5Aget_space(attr)) < 0)
+        ERROR;
+    if((ndims = H5Sget_simple_extent_ndims(space)) < 0)
+        ERROR;
+    if(ndims != 2)
+        PRINTF_ERROR("ndims == %d, expected 2\n", ndims);
+    if(H5Sget_simple_extent_dims(space, dims, NULL) < 0)
+        ERROR;
+    if(dims[0] != 4)
+        PRINTF_ERROR("dims[0] == %d, expected 4\n", (int)dims[0]);
+    if(dims[1] != 6)
+        PRINTF_ERROR("dims[1] == %d, expected 6\n", (int)dims[1]);
+
+    /* Check attribute datatype */
+    if((type = H5Aget_type(attr)) < 0)
+        ERROR;
+    if((tri_ret = H5Tequal(type, H5T_NATIVE_INT)) < 0)
+        ERROR;
+    if(!tri_ret)
+        PRINTF_ERROR("datatype does not equal H5T_NATIVE_INT\n");
+
+    /* Check ACPL */
+    if((acpl = H5Aget_create_plist(attr)) < 0)
+        ERROR;
+    if((def_acpl = H5Pcreate(H5P_ATTRIBUTE_CREATE)) < 0)
+        ERROR;
+    if((tri_ret = H5Pequal(acpl, def_acpl)) < 0)
+        ERROR;
+    if(!tri_ret)
+        PRINTF_ERROR("ACPL does not equal default\n");
+
+    /* Check attribute name */
+    if((ssize_ret = H5Aget_name(attr, 0, NULL)) < 0)
+        ERROR;
+    name_buf_size = strlen(argv[4]) + 1;
+    if(ssize_ret != (ssize_t)name_buf_size - 1)
+        PRINTF_ERROR("unexpected attribute name size");
+    if(NULL == (name_buf = malloc(name_buf_size)))
+        ERROR;
+    if((ssize_ret = H5Aget_name(attr, name_buf_size, name_buf)) < 0)
+        ERROR;
+    if(ssize_ret != (ssize_t)name_buf_size - 1)
+        PRINTF_ERROR("unexpected attribute name size");
+    if(name_buf[name_buf_size - 1] != '\0')
+        PRINTF_ERROR("attribute name not terminated");
+    if(strcmp(name_buf, argv[4]))
+        PRINTF_ERROR("attribute name does not match");
+
     /* Close */
     if(H5Aclose(attr) < 0)
         ERROR;
@@ -52,6 +107,15 @@ int main(int argc, char *argv[]) {
         ERROR;
     if(H5Pclose(fapl) < 0)
         ERROR;
+    if(H5Sclose(space) < 0)
+        ERROR;
+    if(H5Tclose(type) < 0)
+        ERROR;
+    if(H5Pclose(acpl) < 0)
+        ERROR;
+    if(H5Pclose(def_acpl) < 0)
+        ERROR;
+    free(name_buf);
 
     printf("Success\n");
 
@@ -63,7 +127,12 @@ error:
         H5Aclose(attr);
         H5Fclose(file);
         H5Pclose(fapl);
+        H5Sclose(space);
+        H5Tclose(type);
+        H5Pclose(acpl);
+        H5Pclose(def_acpl);
     } H5E_END_TRY;
+    free(name_buf);
 
     (void)MPI_Finalize();
     return 1;
diff --git a/examples/h5dsm_test.sh b/examples/h5dsm_test.sh
index d82d77f..2abfe52 100755
--- a/examples/h5dsm_test.sh
+++ b/examples/h5dsm_test.sh
@@ -1,101 +1,102 @@
 POOL_UUID=$1
-EXEC_ARGS="-x DD_MASK=\"all\" --hostfile $HOME/my_hosts --ompi-server file:~/uri.txt"
+EXEC_ARGS="-x DD_MASK=\"all\" --ompi-server file:~/uri.txt"
+FILE="h5dsm_test.h5"
 
 # --------------- SETUP --------------- #
 # Create file
-echo h5dsm_file_create file.h5
-orterun -np 1 $EXEC_ARGS ./h5dsm_file_create $POOL_UUID file.h5
+echo h5dsm_file_create $FILE
+orterun -np 1 $EXEC_ARGS ./h5dsm_file_create $POOL_UUID $FILE
 if test $? -ne 0; then
     echo FAILED
     exit 1
 fi
 
-echo h5dsm_file_create file.h5 \(2 processes\)
-orterun -np 2 $EXEC_ARGS ./h5dsm_file_create $POOL_UUID file.h5
+echo h5dsm_file_create $FILE \(2 processes\)
+orterun -np 2 $EXEC_ARGS ./h5dsm_file_create $POOL_UUID $FILE
 if test $? -ne 0; then
     echo FAILED
     exit 1
 fi
 
 # Open file
-echo h5dsm_file_open file.h5
-orterun -np 1 $EXEC_ARGS ./h5dsm_file_open $POOL_UUID file.h5
+echo h5dsm_file_open $FILE
+orterun -np 1 $EXEC_ARGS ./h5dsm_file_open $POOL_UUID $FILE
 if test $? -ne 0; then
     echo FAILED
     exit 1
 fi
 
-echo h5dsm_file_open file.h5 \(2 processes\)
-orterun -np 2 $EXEC_ARGS ./h5dsm_file_open $POOL_UUID file.h5
+echo h5dsm_file_open $FILE \(2 processes\)
+orterun -np 2 $EXEC_ARGS ./h5dsm_file_open $POOL_UUID $FILE
 if test $? -ne 0; then
     echo FAILED
     exit 1
 fi
 
 # Create group
-echo h5dsm_group_create file.h5 grp
-orterun -np 1 $EXEC_ARGS ./h5dsm_group_create $POOL_UUID file.h5 grp
+echo h5dsm_group_create $FILE grp
+orterun -np 1 $EXEC_ARGS ./h5dsm_group_create $POOL_UUID $FILE grp
 if test $? -ne 0; then
     echo FAILED
     exit 1
 fi
 
 # Open group
-echo h5dsm_group_open file.h5 grp
-orterun -np 1 $EXEC_ARGS ./h5dsm_group_open $POOL_UUID file.h5 grp
+echo h5dsm_group_open $FILE grp
+orterun -np 1 $EXEC_ARGS ./h5dsm_group_open $POOL_UUID $FILE grp
 if test $? -ne 0; then
     echo FAILED
     exit 1
 fi
 
-echo h5dsm_group_open file.h5 grp \(2 processes\)
-orterun -np 2 $EXEC_ARGS ./h5dsm_group_open $POOL_UUID file.h5 grp
+echo h5dsm_group_open $FILE grp \(2 processes\)
+orterun -np 2 $EXEC_ARGS ./h5dsm_group_open $POOL_UUID $FILE grp
 if test $? -ne 0; then
     echo FAILED
     exit 1
 fi
 
 # Create dataset
-echo h5dsm_dset_create file.h5 dset
-orterun -np 1 $EXEC_ARGS ./h5dsm_dset_create $POOL_UUID file.h5 dset
+echo h5dsm_dset_create $FILE dset
+orterun -np 1 $EXEC_ARGS ./h5dsm_dset_create $POOL_UUID $FILE dset
 if test $? -ne 0; then
     echo FAILED
     exit 1
 fi
 
 # Create dset2
-echo h5dsm_dset_create file.h5 dset2 \(2 processes\)
-orterun -np 2 $EXEC_ARGS ./h5dsm_dset_create $POOL_UUID file.h5 dset2
+echo h5dsm_dset_create $FILE dset2 \(2 processes\)
+orterun -np 2 $EXEC_ARGS ./h5dsm_dset_create $POOL_UUID $FILE dset2
 if test $? -ne 0; then
     echo FAILED
     exit 1
 fi
 
 # Open dataset
-echo h5dsm_dset_open file.h5 /dset
-orterun -np 1 $EXEC_ARGS ./h5dsm_dset_open $POOL_UUID file.h5 dset
+echo h5dsm_dset_open $FILE /dset
+orterun -np 1 $EXEC_ARGS ./h5dsm_dset_open $POOL_UUID $FILE dset
 if test $? -ne 0; then
     echo FAILED
     exit 1
 fi
 
-echo h5dsm_dset_open file.h5 /dset \(2 processes\)
-orterun -np 1 $EXEC_ARGS ./h5dsm_dset_open $POOL_UUID file.h5 dset
+echo h5dsm_dset_open $FILE /dset \(2 processes\)
+orterun -np 1 $EXEC_ARGS ./h5dsm_dset_open $POOL_UUID $FILE dset
 if test $? -ne 0; then
     echo FAILED
     exit 1
 fi
 
 # Open dset2
-echo h5dsm_dset_open file.h5 dset2
-orterun -np 1 $EXEC_ARGS ./h5dsm_dset_open $POOL_UUID file.h5 dset2
+echo h5dsm_dset_open $FILE dset2
+orterun -np 1 $EXEC_ARGS ./h5dsm_dset_open $POOL_UUID $FILE dset2
 if test $? -ne 0; then
     echo FAILED
     exit 1
 fi
 
-echo h5dsm_dset_open file.h5 dset2 \(2 processes\)
-orterun -np 1 $EXEC_ARGS ./h5dsm_dset_open $POOL_UUID file.h5 dset2
+echo h5dsm_dset_open $FILE dset2 \(2 processes\)
+orterun -np 1 $EXEC_ARGS ./h5dsm_dset_open $POOL_UUID $FILE dset2
 if test $? -ne 0; then
     echo FAILED
     exit 1
@@ -103,32 +104,32 @@ fi
 
 # --------------- DSET IO --------------- #
 # Write dataset
-echo h5dsm_dset_write file.h5 dset
-orterun -np 1 $EXEC_ARGS ./h5dsm_dset_write $POOL_UUID file.h5 dset
+echo h5dsm_dset_write $FILE dset
+orterun -np 1 $EXEC_ARGS ./h5dsm_dset_write $POOL_UUID $FILE dset
 if test $? -ne 0; then
     echo FAILED
     exit 1
 fi
 
 # "Write Partial" test
-echo h5dsm_dset_wpartial file.h5 dset2 \(2 processes\)
-orterun -np 2 $EXEC_ARGS ./h5dsm_dset_wpartial $POOL_UUID file.h5 dset2
+echo h5dsm_dset_wpartial $FILE dset2 \(2 processes\)
+orterun -np 2 $EXEC_ARGS ./h5dsm_dset_wpartial $POOL_UUID $FILE dset2
 if test $? -ne 0; then
     echo FAILED
     exit 1
 fi
 
 # Read dataset
-echo h5dsm_dset_read file.h5 dset2
-orterun -np 1 $EXEC_ARGS ./h5dsm_dset_read $POOL_UUID file.h5 dset2
+echo h5dsm_dset_read $FILE dset2
+orterun -np 1 $EXEC_ARGS ./h5dsm_dset_read $POOL_UUID $FILE dset2
 if test $? -ne 0; then
     echo FAILED
     exit 1
 fi
 
 # "Read Partial" test
-echo h5dsm_dset_rpartial file.h5 dset \(2 processes\)
-orterun -np 2 $EXEC_ARGS ./h5dsm_dset_rpartial $POOL_UUID file.h5 dset
+echo h5dsm_dset_rpartial $FILE dset \(2 processes\)
+orterun -np 2 $EXEC_ARGS ./h5dsm_dset_rpartial $POOL_UUID $FILE dset
 if test $? -ne 0; then
     echo FAILED
     exit 1
@@ -136,125 +137,125 @@ fi
 
 # --------------- LINKS --------------- #
 # H5Lexists (should be FALSE)
-echo h5dsm_link_exists file.h5 grp2
-orterun -np 1 $EXEC_ARGS ./h5dsm_link_exists $POOL_UUID file.h5 grp2 | tee h5dsm_test.out
+echo h5dsm_link_exists $FILE grp2
+orterun -np 1 $EXEC_ARGS ./h5dsm_link_exists $POOL_UUID $FILE grp2 | tee h5dsm_test.out
 if test $? -ne 0; then
     echo FAILED
     exit 1
 fi
 
 # Create grp2 \(2 processes\)
-echo h5dsm_group_create file.h5 grp2 -s
-orterun -np 2 $EXEC_ARGS ./h5dsm_group_create $POOL_UUID file.h5 grp2 -s
+echo h5dsm_group_create $FILE grp2 -s
+orterun -np 2 $EXEC_ARGS ./h5dsm_group_create $POOL_UUID $FILE grp2 -s
 if test $? -ne 0; then
     echo FAILED
     exit 1
 fi
 
 # H5Lexists (should be TRUE)
-echo h5dsm_link_exists file.h5 grp2
-orterun -np 1 $EXEC_ARGS ./h5dsm_link_exists $POOL_UUID file.h5 grp2 | tee -a h5dsm_test.out
+echo h5dsm_link_exists $FILE grp2
+orterun -np 1 $EXEC_ARGS ./h5dsm_link_exists $POOL_UUID $FILE grp2 | tee -a h5dsm_test.out
 if test $? -ne 0; then
     echo FAILED
     exit 1
 fi
 
 # Create slink
-echo h5dsm_slink_create file.h5 grp slink -s
-orterun -np 1 $EXEC_ARGS ./h5dsm_slink_create $POOL_UUID file.h5 grp slink -s
+echo h5dsm_slink_create $FILE grp slink -s
+orterun -np 1 $EXEC_ARGS ./h5dsm_slink_create $POOL_UUID $FILE grp slink -s
 if test $? -ne 0; then
     echo FAILED
     exit 1
 fi
 
 # Open slink
-echo h5dsm_group_open file.h5 slink
-orterun -np 1 $EXEC_ARGS ./h5dsm_group_open $POOL_UUID file.h5 slink
+echo h5dsm_group_open $FILE slink
+orterun -np 1 $EXEC_ARGS ./h5dsm_group_open $POOL_UUID $FILE slink
 if test $? -ne 0; then
     echo FAILED
     exit 1
 fi
 
-echo h5dsm_group_open file.h5 slink \(2 processes\)
-orterun -np 2 $EXEC_ARGS ./h5dsm_group_open $POOL_UUID file.h5 slink
+echo h5dsm_group_open $FILE slink \(2 processes\)
+orterun -np 2 $EXEC_ARGS ./h5dsm_group_open $POOL_UUID $FILE slink
 if test $? -ne 0; then
     echo FAILED
     exit 1
 fi
 
 # Create slroot
-echo h5dsm_slink_create file.h5 / grp/slroot
-orterun -np 1 $EXEC_ARGS ./h5dsm_slink_create $POOL_UUID file.h5 / grp/slroot
+echo h5dsm_slink_create $FILE / grp/slroot
+orterun -np 1 $EXEC_ARGS ./h5dsm_slink_create $POOL_UUID $FILE / grp/slroot
 if test $? -ne 0; then
     echo FAILED
     exit 1
 fi
 
 # Open slroot
-echo h5dsm_group_open file.h5 /slink/slroot/grp
-orterun -np 1 $EXEC_ARGS ./h5dsm_group_open $POOL_UUID file.h5 /slink/slroot/grp
+echo h5dsm_group_open $FILE /slink/slroot/grp
+orterun -np 1 $EXEC_ARGS ./h5dsm_group_open $POOL_UUID $FILE /slink/slroot/grp
 if test $? -ne 0; then
     echo FAILED
     exit 1
 fi
 
-echo h5dsm_group_open file.h5 /slink/slroot/grp \(2 processes\)
-orterun -np 2 $EXEC_ARGS ./h5dsm_group_open $POOL_UUID file.h5 /slink/slroot/grp
+echo h5dsm_group_open $FILE /slink/slroot/grp \(2 processes\)
+orterun -np 2 $EXEC_ARGS ./h5dsm_group_open $POOL_UUID $FILE /slink/slroot/grp
 if test $? -ne 0; then
     echo FAILED
     exit 1
 fi
 
 # H5Lexists (should be FALSE)
-echo h5dsm_link_exists file.h5 /slink/slroot/slpath
-orterun -np 1 $EXEC_ARGS ./h5dsm_link_exists $POOL_UUID file.h5 /slink/slroot/slpath | tee -a h5dsm_test.out
+echo h5dsm_link_exists $FILE /slink/slroot/slpath
+orterun -np 1 $EXEC_ARGS ./h5dsm_link_exists $POOL_UUID $FILE /slink/slroot/slpath | tee -a h5dsm_test.out
 if test $? -ne 0; then
     echo FAILED
     exit 1
 fi
 
 # Create slpath
-echo h5dsm_slink_create file.h5 /slink/slroot/dset slpath
-orterun -np 1 $EXEC_ARGS ./h5dsm_slink_create $POOL_UUID file.h5 /slink/slroot/dset slpath
+echo h5dsm_slink_create $FILE /slink/slroot/dset slpath
+orterun -np 1 $EXEC_ARGS ./h5dsm_slink_create $POOL_UUID $FILE /slink/slroot/dset slpath
 if test $? -ne 0; then
     echo FAILED
     exit 1
 fi
 
 # H5Lexists (should be TRUE)
-echo h5dsm_link_exists file.h5 /slink/slroot/slpath
-orterun -np 1 $EXEC_ARGS ./h5dsm_link_exists $POOL_UUID file.h5 /slink/slroot/slpath | tee -a h5dsm_test.out
+echo h5dsm_link_exists $FILE /slink/slroot/slpath
+orterun -np 1 $EXEC_ARGS ./h5dsm_link_exists $POOL_UUID $FILE /slink/slroot/slpath | tee -a h5dsm_test.out
 if test $? -ne 0; then
     echo FAILED
     exit 1
 fi
 
 # Open slpath
-echo h5dsm_dset_open file.h5 slink/slroot/slpath
-orterun -np 1 $EXEC_ARGS ./h5dsm_group_open $POOL_UUID file.h5 slpath
+echo h5dsm_dset_open $FILE slink/slroot/slpath
+orterun -np 1 $EXEC_ARGS ./h5dsm_group_open $POOL_UUID $FILE slpath
 if test $? -ne 0; then
     echo FAILED
     exit 1
 fi
 
-echo h5dsm_dset_open file.h5 slink/slroot/slpath \(2 processes\)
-orterun -np 2 $EXEC_ARGS ./h5dsm_group_open $POOL_UUID file.h5 slpath
+echo h5dsm_dset_open $FILE slink/slroot/slpath \(2 processes\)
+orterun -np 2 $EXEC_ARGS ./h5dsm_group_open $POOL_UUID $FILE slpath
 if test $? -ne 0; then
     echo FAILED
     exit 1
 fi
 
 # H5Literate root
-echo h5dsm_link_iter file.h5 /
-orterun -np 1 $EXEC_ARGS ./h5dsm_link_iter $POOL_UUID file.h5 / | tee -a h5dsm_test.out
+echo h5dsm_link_iter $FILE /
+orterun -np 1 $EXEC_ARGS ./h5dsm_link_iter $POOL_UUID $FILE / | tee -a h5dsm_test.out
 if test $? -ne 0; then
     echo FAILED
     exit 1
 fi
 
 # H5Literate grp
-echo h5dsm_link_iter file.h5 grp
-orterun -np 1 $EXEC_ARGS ./h5dsm_link_iter $POOL_UUID file.h5 grp | tee -a h5dsm_test.out
+echo h5dsm_link_iter $FILE grp
+orterun -np 1 $EXEC_ARGS ./h5dsm_link_iter $POOL_UUID $FILE grp | tee -a h5dsm_test.out
 if test $? -ne 0; then
     echo FAILED
     exit 1
@@ -262,104 +263,104 @@ fi
 
 # --------------- Attributes --------------- #
 # Create attribute on root group
-echo h5dsm_attr_create file.h5 / attrroot
-orterun -np 1 $EXEC_ARGS ./h5dsm_attr_create $POOL_UUID file.h5 / attrroot
+echo h5dsm_attr_create $FILE / attrroot
+orterun -np 1 $EXEC_ARGS ./h5dsm_attr_create $POOL_UUID $FILE / attrroot
 if test $? -ne 0; then
     echo FAILED
     exit 1
 fi
 
 # Open attribute
-echo h5dsm_attr_open file.h5 / attrroot
-orterun -np 1 $EXEC_ARGS ./h5dsm_attr_open $POOL_UUID file.h5 / attrroot
+echo h5dsm_attr_open $FILE / attrroot
+orterun -np 1 $EXEC_ARGS ./h5dsm_attr_open $POOL_UUID $FILE / attrroot
 if test $? -ne 0; then
     echo FAILED
     exit 1
 fi
 
 # Write attribute
-echo h5dsm_attr_write file.h5 / attrroot
-orterun -np 1 $EXEC_ARGS ./h5dsm_attr_write $POOL_UUID file.h5 / attrroot
+echo h5dsm_attr_write $FILE / attrroot
+orterun -np 1 $EXEC_ARGS ./h5dsm_attr_write $POOL_UUID $FILE / attrroot
 if test $? -ne 0; then
     echo FAILED
     exit 1
 fi
 
 # Read attribute
-echo h5dsm_attr_read file.h5 / attrroot
-orterun -np 1 $EXEC_ARGS ./h5dsm_attr_read $POOL_UUID file.h5 / attrroot
+echo h5dsm_attr_read $FILE / attrroot
+orterun -np 1 $EXEC_ARGS ./h5dsm_attr_read $POOL_UUID $FILE / attrroot
 if test $? -ne 0; then
     echo FAILED
     exit 1
 fi
 
 # Create attribute on group
-echo h5dsm_attr_create file.h5 grp attrgrp
-orterun -np 1 $EXEC_ARGS ./h5dsm_attr_create $POOL_UUID file.h5 grp attrgrp
+echo h5dsm_attr_create $FILE grp attrgrp
+orterun -np 1 $EXEC_ARGS ./h5dsm_attr_create $POOL_UUID $FILE grp attrgrp
 if test $? -ne 0; then
     echo FAILED
     exit 1
 fi
 
 # Open attribute
-echo h5dsm_attr_open file.h5 /grp attrgrp
-orterun -np 1 $EXEC_ARGS ./h5dsm_attr_open $POOL_UUID file.h5 /grp attrgrp
+echo h5dsm_attr_open $FILE /grp attrgrp
+orterun -np 1 $EXEC_ARGS ./h5dsm_attr_open $POOL_UUID $FILE /grp attrgrp
 if test $? -ne 0; then
     echo FAILED
     exit 1
 fi
 
 # Create attribute on dataset
-echo h5dsm_attr_create file.h5 /dset attrdset
-orterun -np 1 $EXEC_ARGS ./h5dsm_attr_create $POOL_UUID file.h5 /dset attrdset
+echo h5dsm_attr_create $FILE /dset attrdset
+orterun -np 1 $EXEC_ARGS ./h5dsm_attr_create $POOL_UUID $FILE /dset attrdset
 if test $? -ne 0; then
     echo FAILED
     exit 1
 fi
 
 # Open attribute
-echo h5dsm_attr_open file.h5 dset attrdset
-orterun -np 1 $EXEC_ARGS ./h5dsm_attr_open $POOL_UUID file.h5 dset attrdset
+echo h5dsm_attr_open $FILE dset attrdset
+orterun -np 1 $EXEC_ARGS ./h5dsm_attr_open $POOL_UUID $FILE dset attrdset
 if test $? -ne 0; then
     echo FAILED
     exit 1
 fi
 
 # Create additional attribute on root group
-echo h5dsm_attr_create file.h5 / attrroot2
-orterun -np 1 $EXEC_ARGS ./h5dsm_attr_create $POOL_UUID file.h5 / attrroot2
+echo h5dsm_attr_create $FILE / attrroot2
+orterun -np 1 $EXEC_ARGS ./h5dsm_attr_create $POOL_UUID $FILE / attrroot2
 if test $? -ne 0; then
     echo FAILED
     exit 1
 fi
 
 # Open attribute
-echo h5dsm_attr_open file.h5 / attrroot2
-orterun -np 1 $EXEC_ARGS ./h5dsm_attr_open $POOL_UUID file.h5 / attrroot2
+echo h5dsm_attr_open $FILE / attrroot2
+orterun -np 1 $EXEC_ARGS ./h5dsm_attr_open $POOL_UUID $FILE / attrroot2
 if test $? -ne 0; then
     echo FAILED
     exit 1
 fi
 
 # H5Aiterate on root group
-echo h5dsm_attr_iter file.h5 /
-orterun -np 1 $EXEC_ARGS ./h5dsm_attr_iter $POOL_UUID file.h5 / | tee -a h5dsm_test.out
+echo h5dsm_attr_iter $FILE /
+orterun -np 1 $EXEC_ARGS ./h5dsm_attr_iter $POOL_UUID $FILE / | tee -a h5dsm_test.out
 if test $? -ne 0; then
     echo FAILED
     exit 1
 fi
 
 # H5Aiterate on group
-echo h5dsm_attr_iter file.h5 grp
-orterun -np 1 $EXEC_ARGS ./h5dsm_attr_iter $POOL_UUID file.h5 grp | tee -a h5dsm_test.out
+echo h5dsm_attr_iter $FILE grp
+orterun -np 1 $EXEC_ARGS ./h5dsm_attr_iter $POOL_UUID $FILE grp | tee -a h5dsm_test.out
 if test $? -ne 0; then
     echo FAILED
     exit 1
 fi
 
 # H5Aiterate on dataset
-echo h5dsm_attr_iter file.h5 /dset
-orterun -np 1 $EXEC_ARGS ./h5dsm_attr_iter $POOL_UUID file.h5 /dset | tee -a h5dsm_test.out
+echo h5dsm_attr_iter $FILE /dset
+orterun -np 1 $EXEC_ARGS ./h5dsm_attr_iter $POOL_UUID $FILE /dset | tee -a h5dsm_test.out
 if test $? -ne 0; then
     echo FAILED
     exit 1
@@ -367,114 +368,114 @@ fi
 
 # --------------- Objects --------------- #
 # H5Oopen root group
-echo h5dsm_obj_open file.h5 /
-orterun -np 1 $EXEC_ARGS ./h5dsm_obj_open $POOL_UUID file.h5 /
+echo h5dsm_obj_open $FILE /
+orterun -np 1 $EXEC_ARGS ./h5dsm_obj_open $POOL_UUID $FILE /
 if test $? -ne 0; then
     echo FAILED
     exit 1
 fi
 
-echo h5dsm_obj_open file.h5 / \(2 processes\)
-orterun -np 2 $EXEC_ARGS ./h5dsm_obj_open $POOL_UUID file.h5 /
+echo h5dsm_obj_open $FILE / \(2 processes\)
+orterun -np 2 $EXEC_ARGS ./h5dsm_obj_open $POOL_UUID $FILE /
 if test $? -ne 0; then
     echo FAILED
     exit 1
 fi
 
 # H5Oopen group
-echo h5dsm_obj_open file.h5 /grp
-orterun -np 1 $EXEC_ARGS ./h5dsm_obj_open $POOL_UUID file.h5 /grp
+echo h5dsm_obj_open $FILE /grp
+orterun -np 1 $EXEC_ARGS ./h5dsm_obj_open $POOL_UUID $FILE /grp
 if test $? -ne 0; then
     echo FAILED
     exit 1
 fi
 
-echo h5dsm_obj_open file.h5 /grp \(2 processes\)
-orterun -np 2 $EXEC_ARGS ./h5dsm_obj_open $POOL_UUID file.h5 /grp
+echo h5dsm_obj_open $FILE /grp \(2 processes\)
+orterun -np 2 $EXEC_ARGS ./h5dsm_obj_open $POOL_UUID $FILE /grp
 if test $? -ne 0; then
     echo FAILED
     exit 1
 fi
 
 # H5Oopen dataset
-echo h5dsm_obj_open file.h5 dset
-orterun -np 1 $EXEC_ARGS ./h5dsm_obj_open $POOL_UUID file.h5 dset
+echo h5dsm_obj_open $FILE dset
+orterun -np 1 $EXEC_ARGS ./h5dsm_obj_open $POOL_UUID $FILE dset
 if test $? -ne 0; then
     echo FAILED
     exit 1
 fi
 
-echo h5dsm_obj_open file.h5 dset \(2 processes\)
-orterun -np 2 $EXEC_ARGS ./h5dsm_obj_open $POOL_UUID file.h5 dset
+echo h5dsm_obj_open $FILE dset \(2 processes\)
+orterun -np 2 $EXEC_ARGS ./h5dsm_obj_open $POOL_UUID $FILE dset
 if test $? -ne 0; then
     echo FAILED
     exit 1
 fi
 
 # H5Oget_info root group
-echo h5dsm_obj_info file.h5 /
-orterun -np 1 $EXEC_ARGS ./h5dsm_obj_info $POOL_UUID file.h5 / | tee -a h5dsm_test.out
+echo h5dsm_obj_info $FILE /
+orterun -np 1 $EXEC_ARGS ./h5dsm_obj_info $POOL_UUID $FILE / | tee -a h5dsm_test.out
 if test $? -ne 0; then
     echo FAILED
     exit 1
 fi
 
 # H5Oget_info group
-echo h5dsm_obj_info file.h5 grp
-orterun -np 1 $EXEC_ARGS ./h5dsm_obj_info $POOL_UUID file.h5 grp | tee -a h5dsm_test.out
+echo h5dsm_obj_info $FILE grp
+orterun -np 1 $EXEC_ARGS ./h5dsm_obj_info $POOL_UUID $FILE grp | tee -a h5dsm_test.out
 if test $? -ne 0; then
     echo FAILED
     exit 1
 fi
 
 # H5Oget_info dataset
-echo h5dsm_obj_info file.h5 /dset
-orterun -np 1 $EXEC_ARGS ./h5dsm_obj_info $POOL_UUID file.h5 /dset | tee -a h5dsm_test.out
+echo h5dsm_obj_info $FILE /dset
+orterun -np 1 $EXEC_ARGS ./h5dsm_obj_info $POOL_UUID $FILE /dset | tee -a h5dsm_test.out
 if test $? -ne 0; then
     echo FAILED
     exit 1
 fi
 
 # H5Oopen_by_addr root group
-echo h5dsm_obj_open_addr file.h5 0x0000000000000001
-orterun -np 1 $EXEC_ARGS ./h5dsm_obj_open_addr $POOL_UUID file.h5 0x0000000000000001
+echo h5dsm_obj_open_addr $FILE 0x0000000000000001
+orterun -np 1 $EXEC_ARGS ./h5dsm_obj_open_addr $POOL_UUID $FILE 0x0000000000000001
 if test $? -ne 0; then
     echo FAILED
     exit 1
 fi
 
-echo h5dsm_obj_open_addr file.h5 0x0000000000000001 \(2 processes\)
-orterun -np 2 $EXEC_ARGS ./h5dsm_obj_open_addr $POOL_UUID file.h5 0x0000000000000001
+echo h5dsm_obj_open_addr $FILE 0x0000000000000001 \(2 processes\)
+orterun -np 2 $EXEC_ARGS ./h5dsm_obj_open_addr $POOL_UUID $FILE 0x0000000000000001
 if test $? -ne 0; then
     echo FAILED
     exit 1
 fi
 
 # H5Oopen_by_addr group
-echo h5dsm_obj_open_addr file.h5 0x0000000000000002
-orterun -np 1 $EXEC_ARGS ./h5dsm_obj_open_addr $POOL_UUID file.h5 0x0000000000000002
+echo h5dsm_obj_open_addr $FILE 0x0000000000000002
+orterun -np 1 $EXEC_ARGS ./h5dsm_obj_open_addr $POOL_UUID $FILE 0x0000000000000002
 if test $? -ne 0; then
     echo FAILED
     exit 1
 fi
 
-echo h5dsm_obj_open_addr file.h5 0x0000000000000002 \(2 processes\)
-orterun -np 2 $EXEC_ARGS ./h5dsm_obj_open_addr $POOL_UUID file.h5 0x0000000000000002
+echo h5dsm_obj_open_addr $FILE 0x0000000000000002 \(2 processes\)
+orterun -np 2 $EXEC_ARGS ./h5dsm_obj_open_addr $POOL_UUID $FILE 0x0000000000000002
 if test $? -ne 0; then
     echo FAILED
     exit 1
 fi
 
 # H5Oopen_by_addr dataset
-echo h5dsm_obj_open_addr file.h5 0x4000000000000003
-orterun -np 1 $EXEC_ARGS ./h5dsm_obj_open_addr $POOL_UUID file.h5 0x4000000000000003
+echo h5dsm_obj_open_addr $FILE 0x4000000000000003
+orterun -np 1 $EXEC_ARGS ./h5dsm_obj_open_addr $POOL_UUID $FILE 0x4000000000000003
 if test $? -ne 0; then
     echo FAILED
     exit 1
 fi
 
-echo h5dsm_obj_open_addr file.h5 0x4000000000000003 \(2 processes\)
-orterun -np 2 $EXEC_ARGS ./h5dsm_obj_open_addr $POOL_UUID file.h5 0x4000000000000003
+echo h5dsm_obj_open_addr $FILE 0x4000000000000003 \(2 processes\)
+orterun -np 2 $EXEC_ARGS ./h5dsm_obj_open_addr $POOL_UUID $FILE 0x4000000000000003
 if test $? -ne 0; then
     echo FAILED
     exit 1
@@ -482,16 +483,16 @@ fi
 
 # --------------- Snapshots --------------- #
 # H5Lexists before slink created (should be FALSE)
-echo h5dsm_link_exists file.h5 grp2 7
-orterun -np 1 $EXEC_ARGS ./h5dsm_link_exists $POOL_UUID file.h5 slink 7 | tee -a h5dsm_test.out
+echo h5dsm_link_exists $FILE grp2 7
+orterun -np 1 $EXEC_ARGS ./h5dsm_link_exists $POOL_UUID $FILE slink 7 | tee -a h5dsm_test.out
 if test $? -ne 0; then
     echo FAILED
     exit 1
 fi
 
 # H5Lexists after slink created (should be TRUE)
-echo h5dsm_link_exists file.h5 grp2 8
-orterun -np 1 $EXEC_ARGS ./h5dsm_link_exists $POOL_UUID file.h5 slink 8 | tee -a h5dsm_test.out
+echo h5dsm_link_exists $FILE grp2 8
+orterun -np 1 $EXEC_ARGS ./h5dsm_link_exists $POOL_UUID $FILE slink 8 | tee -a h5dsm_test.out
 if test $? -ne 0; then
     echo FAILED
     exit 1
diff --git a/src/H5VLdaosm.c b/src/H5VLdaosm.c
index 1f4b3f2..77d7c8b 100644
--- a/src/H5VLdaosm.c
+++ b/src/H5VLdaosm.c
@@ -161,6 +161,8 @@ static herr_t H5VL_daosm_attribute_read(void *_attr, hid_t mem_type_id,
     void *buf, hid_t dxpl_id, void **req);
 static herr_t H5VL_daosm_attribute_write(void *_attr, hid_t mem_type_id,
     const void *buf, hid_t dxpl_id, void **req);
+static herr_t H5VL_daosm_attribute_get(void *_item, H5VL_attr_get_t get_type,
+    hid_t dxpl_id, void **req, va_list arguments);
 static herr_t H5VL_daosm_attribute_specific(void *_item,
     H5VL_loc_params_t loc_params, H5VL_attr_specific_t specific_type,
     hid_t dxpl_id, void **req, va_list arguments);
@@ -227,7 +229,7 @@ static H5VL_class_t H5VL_daosm_g = {
         H5VL_daosm_attribute_open,              /* open */
         H5VL_daosm_attribute_read,              /* read */
         H5VL_daosm_attribute_write,             /* write */
-        NULL,//H5VL_iod_attribute_get,                 /* get */
+        H5VL_daosm_attribute_get,               /* get */
         H5VL_daosm_attribute_specific,          /* specific */
         NULL,                                   /* optional */
         H5VL_daosm_attribute_close              /* close */
@@ -4492,50 +4494,53 @@ H5VL_daosm_dataset_get(void *_dset, H5VL_dataset_get_t get_type,
             {
                 hid_t *plist_id = va_arg(arguments, hid_t *);
 
-                /* Retrieve the file's access property list */
+                /* Retrieve the dataset's creation property list */
                 if((*plist_id = H5Pcopy(dset->dcpl_id)) < 0)
-                    HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get dset creation property list")
+                    HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, FAIL, "can't get dset creation property list")
 
                 break;
-            }
+            } /* end block */
         case H5VL_DATASET_GET_DAPL:
             {
                 hid_t *plist_id = va_arg(arguments, hid_t *);
 
-                /* Retrieve the file's access property list */
+                /* Retrieve the dataset's access property list */
                 if((*plist_id = H5Pcopy(dset->dapl_id)) < 0)
-                    HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get dset access property list")
+                    HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, FAIL, "can't get dset access property list")
 
                 break;
-            }
+            } /* end block */
         case H5VL_DATASET_GET_SPACE:
             {
                 hid_t *ret_id = va_arg(arguments, hid_t *);
 
+                /* Retrieve the dataset's dataspace */
                 if((*ret_id = H5Scopy(dset->space_id)) < 0)
-                    HGOTO_ERROR(H5E_ARGS, H5E_CANTGET, FAIL, "can't get dataspace ID of dataset");
+                    HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, FAIL, "can't get dataspace ID of dataset");
                 break;
-            }
+            } /* end block */
         case H5VL_DATASET_GET_SPACE_STATUS:
             {
                 H5D_space_status_t *allocation = va_arg(arguments, H5D_space_status_t *);
 
+                /* Retrieve the dataset's space status */
                 *allocation = H5D_SPACE_STATUS_NOT_ALLOCATED;
                 break;
-            }
+            } /* end block */
         case H5VL_DATASET_GET_TYPE:
             {
                 hid_t *ret_id = va_arg(arguments, hid_t *);
 
+                /* Retrieve the dataset's datatype */
                 if((*ret_id = H5Tcopy(dset->type_id)) < 0)
-                    HGOTO_ERROR(H5E_ARGS, H5E_CANTGET, FAIL, "can't get datatype ID of dataset")
+                    HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, FAIL, "can't get datatype ID of dataset")
                 break;
-            }
+            } /* end block */
         case H5VL_DATASET_GET_STORAGE_SIZE:
         case H5VL_DATASET_GET_OFFSET:
         default:
-            HGOTO_ERROR(H5E_VOL, H5E_CANTGET, FAIL, "can't get this type of information from dataset")
-    }
+            HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "can't get this type of information from dataset")
+    } /* end switch */
 
 done:
     FUNC_LEAVE_NOAPI(ret_value)
@@ -5524,6 +5529,106 @@ done:
 
 
 /*-------------------------------------------------------------------------
+ * Function:    H5VL_daosm_attribute_get
+ *
+ * Purpose:     Gets certain information about an attribute
+ *
+ * Return:      Success:        0
+ *              Failure:        -1
+ *
+ * Programmer:  Neil Fortner
+ *              May, 2017
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5VL_daosm_attribute_get(void *_item, H5VL_attr_get_t get_type,
+    hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req, va_list arguments)
+{
+    herr_t  ret_value = SUCCEED;    /* Return value */
+
+    FUNC_ENTER_NOAPI_NOINIT
+
+    switch (get_type) {
+        /* H5Aget_space */
+        case H5VL_ATTR_GET_SPACE:
+            {
+                hid_t *ret_id = va_arg(arguments, hid_t *);
+                H5VL_daosm_attr_t *attr = (H5VL_daosm_attr_t *)_item;
+
+                /* Retrieve the attribute's dataspace */
+                if((*ret_id = H5Scopy(attr->space_id)) < 0)
+                    HGOTO_ERROR(H5E_ATTR, H5E_CANTGET, FAIL, "can't get dataspace ID of dataset");
+                break;
+            } /* end block */
+        /* H5Aget_type */
+        case H5VL_ATTR_GET_TYPE:
+            {
+                hid_t *ret_id = va_arg(arguments, hid_t *);
+                H5VL_daosm_attr_t *attr = (H5VL_daosm_attr_t *)_item;
+
+                /* Retrieve the attribute's datatype */
+                if((*ret_id = H5Tcopy(attr->type_id)) < 0)
+                    HGOTO_ERROR(H5E_ATTR, H5E_CANTGET, FAIL, "can't get datatype ID of dataset")
+                break;
+            } /* end block */
+        /* H5Aget_create_plist */
+        case H5VL_ATTR_GET_ACPL:
+            {
+                hid_t *ret_id = va_arg(arguments, hid_t *);
+                //H5VL_daosm_attr_t *attr = (H5VL_daosm_attr_t *)_item;
+
+                /* Retrieve the file's access property list */
+                if((*ret_id = H5Pcopy(H5P_ATTRIBUTE_CREATE_DEFAULT)) < 0)
+                    HGOTO_ERROR(H5E_ATTR, H5E_CANTGET, FAIL, "can't get attr creation property list");
+                break;
+            } /* end block */
+        /* H5Aget_name */
+        case H5VL_ATTR_GET_NAME:
+            {
+                H5VL_loc_params_t loc_params = va_arg(arguments, H5VL_loc_params_t);
+                size_t buf_size = va_arg(arguments, size_t);
+                char *buf = va_arg(arguments, char *);
+                ssize_t	*ret_val = va_arg(arguments, ssize_t *);
+                H5VL_daosm_attr_t *attr = (H5VL_daosm_attr_t *)_item;
+
+                if(H5VL_OBJECT_BY_SELF == loc_params.type) {
+                    size_t copy_len;
+                    size_t nbytes;
+
+                    nbytes = HDstrlen(attr->name);
+                    HDassert((ssize_t)nbytes >= 0); /*overflow, pretty unlikely --rpm*/
+
+                    /* compute the string length which will fit into the user's buffer */
+                    copy_len = MIN(buf_size - 1, nbytes);
+
+                    /* Copy all/some of the name */
+                    if(buf && copy_len > 0) {
+                        HDmemcpy(buf, attr->name, copy_len);
+
+                        /* Terminate the string */
+                        buf[copy_len]='\0';
+                    } /* end if */
+                    *ret_val = (ssize_t)nbytes;
+                } /* end if */
+                else if(H5VL_OBJECT_BY_IDX == loc_params.type) {
+                    HGOTO_ERROR(H5E_ATTR, H5E_UNSUPPORTED, FAIL, "get attribute name by index unsupported");
+                } /* end else */
+                break;
+            } /* end block */
+        /* H5Aget_info */
+        case H5VL_ATTR_GET_INFO:
+        case H5VL_ATTR_GET_STORAGE_SIZE:
+        default:
+            HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "can't get this type of information from attr")
+    } /* end switch */
+
+done:
+    FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5VL_daosm_attribute_get() */
+
+
+/*-------------------------------------------------------------------------
  * Function:    H5VL_daosm_attribute_specific
  *
  * Purpose:     Specific operations with attributes