Add full support for soft links. Add h5dsm_slink_create.c example. Fix

bug in id handling.  Other minor fixes/cleanup.

1 files changed, 64 insertions, 0 deletions

diff --git a/examples/h5dsm_slink_create.c b/examples/h5dsm_slink_create.c
new file mode 100644
index 0000000..b1919f5
--- /dev/null
+++ b/examples/h5dsm_slink_create.c
@@ -0,0 +1,64 @@
+#include "h5dsm_example.h"
+
+int main(int argc, char *argv[]) {
+    uuid_t pool_uuid;
+    char *pool_grp = NULL;
+    hid_t file = -1, fapl = -1;
+    H5VL_daosm_snap_id_t snap_id;
+
+    (void)MPI_Init(&argc, &argv);
+    (void)daos_init();
+
+    if(argc < 5 || argc > 6)
+        PRINTF_ERROR("argc must be 5 or 6\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(argv[2], H5F_ACC_RDWR, fapl)) < 0)
+        ERROR;
+
+    printf("Creating soft link\n");
+
+    /* Create soft link */
+    if(H5Lcreate_soft(argv[3], file, argv[4], H5P_DEFAULT, H5P_DEFAULT) < 0)
+        ERROR;
+
+    /* Save snapshot if requested */
+    if(argc == 6) {
+        if(H5VLdaosm_snap_create(file, &snap_id) < 0)
+            ERROR;
+        printf("Saved snapshot: snap_id = %llu\n", (long long unsigned)snap_id);
+    } /* end if */
+
+    /* Close */
+    if(H5Fclose(file) < 0)
+        ERROR;
+    if(H5Pclose(fapl) < 0)
+        ERROR;
+
+    printf("Success\n");
+
+    (void)daos_fini();
+    (void)MPI_Finalize();
+    return 0;
+
+error:
+    H5E_BEGIN_TRY {
+        H5Fclose(file);
+        H5Pclose(fapl);
+    } H5E_END_TRY;
+
+    (void)daos_fini();
+    (void)MPI_Finalize();
+    return 1;
+}
+