From 378789737f605241eccd81594706c78a2bb3cf22 Mon Sep 17 00:00:00 2001
From: "Julian M. Kunkel" <juliankunkel@googlemail.com>
Date: Sat, 7 Jul 2018 13:24:59 +0100
Subject: [PATCH] Dummy AIORI driver

---
 src/Makefile.am   |  2 +-
 src/aiori-DUMMY.c | 66 +++++++++++++++++++++++++++++++++++++++++++++++
 src/aiori.c       |  3 ++-
 src/aiori.h       |  1 +
 4 files changed, 70 insertions(+), 2 deletions(-)
 create mode 100755 src/aiori-DUMMY.c

diff --git a/src/Makefile.am b/src/Makefile.am
index 872a5a8..4bc3068 100755
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -5,7 +5,7 @@ endif
 
 noinst_HEADERS = ior.h utilities.h parse_options.h aiori.h iordef.h getopt/optlist.h
 
-extraSOURCES = aiori.c
+extraSOURCES = aiori.c aiori-DUMMY.c
 extraLDADD =
 extraLDFLAGS =
 extraCPPFLAGS =
diff --git a/src/aiori-DUMMY.c b/src/aiori-DUMMY.c
new file mode 100755
index 0000000..3b7daf3
--- /dev/null
+++ b/src/aiori-DUMMY.c
@@ -0,0 +1,66 @@
+/*
+* Dummy implementation doesn't do anything besides waiting
+*/
+
+#ifdef HAVE_CONFIG_H
+#  include "config.h"
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include "ior.h"
+#include "aiori.h"
+#include "utilities.h"
+
+static void *DUMMY_Create(char *testFileName, IOR_param_t * param)
+{
+  return 0;
+}
+
+static void *DUMMY_Open(char *testFileName, IOR_param_t * param)
+{
+  return 0;
+}
+
+static void DUMMY_Fsync(void *fd, IOR_param_t * param)
+{
+}
+
+static void DUMMY_Close(void *fd, IOR_param_t * param)
+{
+}
+
+static void DUMMY_Delete(char *testFileName, IOR_param_t * param)
+{
+}
+
+static void DUMMY_SetVersion(IOR_param_t * test)
+{
+  sprintf(test->apiVersion, "DUMMY");
+}
+
+static IOR_offset_t DUMMY_GetFileSize(IOR_param_t * test, MPI_Comm testComm, char *testFileName)
+{        return 0;
+}
+
+static IOR_offset_t DUMMY_Xfer(int access, void *file, IOR_size_t * buffer, IOR_offset_t length, IOR_param_t * param){
+  if (rank == 0){
+    usleep(100000);
+  }
+  return length;
+}
+
+
+ior_aiori_t dummy_aiori = {
+  .name = "DUMMY",
+  .create = DUMMY_Create,
+  .open = DUMMY_Open,
+  .xfer = DUMMY_Xfer,
+  .close = DUMMY_Close,
+  .delete = DUMMY_Delete,
+  .set_version = DUMMY_SetVersion,
+  .fsync = DUMMY_Fsync,
+  .get_file_size = DUMMY_GetFileSize,
+};
diff --git a/src/aiori.c b/src/aiori.c
index 677c1ea..69ed158 100644
--- a/src/aiori.c
+++ b/src/aiori.c
@@ -28,7 +28,8 @@
  */
 
 ior_aiori_t *available_aiori[] = {
-
+        & dummy_aiori,
+        
 #ifdef USE_HDF5_AIORI
         &hdf5_aiori,
 #endif
diff --git a/src/aiori.h b/src/aiori.h
index 4ee400a..ee96795 100755
--- a/src/aiori.h
+++ b/src/aiori.h
@@ -79,6 +79,7 @@ typedef struct ior_aiori {
         int (*stat) (const char *path, struct stat *buf, IOR_param_t * param);
 } ior_aiori_t;
 
+extern ior_aiori_t dummy_aiori;
 extern ior_aiori_t hdf5_aiori;
 extern ior_aiori_t hdfs_aiori;
 extern ior_aiori_t mpiio_aiori;