Implement group traversal. Major refactoring of group/link code. Added

group examples, all examples now work with paths.

2 files changed, 134 insertions, 0 deletions

diff --git a/examples/h5dsm_group_create.c b/examples/h5dsm_group_create.c
new file mode 100644
index 0000000..c172ac2
--- /dev/null
+++ b/examples/h5dsm_group_create.c
@@ -0,0 +1,73 @@
+#include "h5dsm_example.h"
+
+int main(int argc, char *argv[]) {
+    uuid_t pool_uuid;
+    char *pool_grp = "daos_tier0";
+    hid_t file = -1, grp = -1, trans = -1, fapl = -1;
+    uint64_t trans_num;
+
+    (void)MPI_Init(&argc, &argv);
+    (void)daos_init();
+
+    if(argc != 4)
+        PRINTF_ERROR("argc != 4\n");
+
+    /* Parse UUID */
+    if(0 != uuid_parse(argv[1], pool_uuid))
+        ERROR;
+
+    /* Set up FAPL */
+    if((fapl = H5Pcreate(H5P_FILE_ACCESS)) < 0)
+        ERROR;
+    if(H5Pset_fapl_daosm(fapl, MPI_COMM_WORLD, MPI_INFO_NULL, pool_uuid, pool_grp) < 0)
+        ERROR;
+
+    /* Open file */
+    if((file = H5Fopen_ff(argv[2], H5F_ACC_RDWR, fapl, &trans)) < 0)
+        ERROR;
+
+    /* Get next transaction */
+    if(H5TRget_trans_num(trans, &trans_num) < 0)
+        ERROR;
+    if(H5TRclose(trans) < 0)
+        ERROR;
+    if((trans = H5TRcreate(file, trans_num + 1)) < 0)
+        ERROR;
+
+    /* Create group */
+    if((grp = H5Gcreate_ff(file, argv[3], H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT, trans)) < 0)
+        ERROR;
+
+    /* Commit transaction */
+    if(H5TRcommit(trans) < 0)
+        ERROR;
+
+    /* Close */
+    if(H5Gclose_ff(grp, -1) < 0)
+        ERROR;
+    if(H5TRclose(trans) < 0)
+        ERROR;
+    if(H5Fclose_ff(file, -1) < 0)
+        ERROR;
+    if(H5Pclose(fapl) < 0)
+        ERROR;
+
+    printf("Success\n");
+
+    (void)daos_fini();
+    (void)MPI_Finalize();
+    return 0;
+
+error:
+    H5E_BEGIN_TRY {
+        H5Gclose_ff(grp, -1);
+        H5TRclose(trans);
+        H5Fclose_ff(file, -1);
+        H5Pclose(fapl);
+    } H5E_END_TRY;
+
+    (void)daos_fini();
+    (void)MPI_Finalize();
+    return 1;
+}
+
diff --git a/examples/h5dsm_group_open.c b/examples/h5dsm_group_open.c
new file mode 100644
index 0000000..4031ff2
--- /dev/null
+++ b/examples/h5dsm_group_open.c
@@ -0,0 +1,61 @@
+#include "h5dsm_example.h"
+
+int main(int argc, char *argv[]) {
+    uuid_t pool_uuid;
+    char *pool_grp = "daos_tier0";
+    hid_t file = -1, grp = -1, trans = -1, fapl = -1;
+    hsize_t dims[1] = {1};
+
+    (void)MPI_Init(&argc, &argv);
+    (void)daos_init();
+
+    if(argc != 4)
+        PRINTF_ERROR("argc != 4\n");
+
+    /* Parse UUID */
+    if(0 != uuid_parse(argv[1], pool_uuid))
+        ERROR;
+
+    /* Set up FAPL */
+    if((fapl = H5Pcreate(H5P_FILE_ACCESS)) < 0)
+        ERROR;
+    if(H5Pset_fapl_daosm(fapl, MPI_COMM_WORLD, MPI_INFO_NULL, pool_uuid, pool_grp) < 0)
+        ERROR;
+
+    /* Open file */
+    if((file = H5Fopen_ff(argv[2], H5F_ACC_RDONLY, fapl, &trans)) < 0)
+        ERROR;
+
+    /* Open group */
+    if((grp = H5Gopen_ff(file, argv[3], H5P_DEFAULT, trans)) < 0)
+        ERROR;
+
+    /* Close */
+    if(H5Gclose_ff(grp, -1) < 0)
+        ERROR;
+    if(H5TRclose(trans) < 0)
+        ERROR;
+    if(H5Fclose_ff(file, -1) < 0)
+        ERROR;
+    if(H5Pclose(fapl) < 0)
+        ERROR;
+
+    printf("Success\n");
+
+    (void)daos_fini();
+    (void)MPI_Finalize();
+    return 0;
+
+error:
+    H5E_BEGIN_TRY {
+        H5Gclose_ff(grp, -1);
+        H5TRclose(trans);
+        H5Fclose_ff(file, -1);
+        H5Pclose(fapl);
+    } H5E_END_TRY;
+
+    (void)daos_fini();
+    (void)MPI_Finalize();
+    return 1;
+}
+