From 98c0dbd4424a6a8177167b573791d25dd01b447d Mon Sep 17 00:00:00 2001
From: navarro <navarro@caraja.(none)>
Date: Tue, 21 Feb 2012 13:51:06 +0100
Subject: [PATCH] First step to create model storage.

---
 buildtools/Cmake/DefinePackages.cmake |  1 +
 src/include/surf/surf.h               | 17 +++++++++
 src/surf/storage.c                    | 54 +++++++++++++++++++++++++++
 3 files changed, 72 insertions(+)
 create mode 100644 src/surf/storage.c

diff --git a/buildtools/Cmake/DefinePackages.cmake b/buildtools/Cmake/DefinePackages.cmake
index 2d5507dd3a..73dd6acb88 100644
--- a/buildtools/Cmake/DefinePackages.cmake
+++ b/buildtools/Cmake/DefinePackages.cmake
@@ -244,6 +244,7 @@ set(SURF_SRC
 	src/surf/cpu_ti.c
 	src/surf/cpu_cas01.c
 	src/surf/sg_platf.c
+	src/surf/storage.c
 	src/xbt/xbt_sg_stubs.c
 )
 
diff --git a/src/include/surf/surf.h b/src/include/surf/surf.h
index 84f17e7d31..aff8a88f87 100644
--- a/src/include/surf/surf.h
+++ b/src/include/surf/surf.h
@@ -199,6 +199,22 @@ typedef struct s_surf_file {
 } s_surf_file_t;
 typedef struct s_surf_file *surf_file_t;
 
+/* Storage model */
+
+/** \brief Storage model extension public
+ *  \ingroup SURF_models
+ *
+ *  Public functions specific to the Storage model.
+ */
+typedef struct surf_storage_model_extension_public {
+  surf_action_t(*open) (void *workstation, const char* path, const char* mode);
+  surf_action_t(*close) (void *workstation, surf_file_t fp);
+  surf_action_t(*read) (void *workstation, void* ptr, size_t size, size_t nmemb, surf_file_t stream);
+  surf_action_t(*write) (void *workstation, const void* ptr, size_t size, size_t nmemb, surf_file_t stream);
+  surf_action_t(*stat) (void *workstation, int fd, void* buf);
+void* (*create_resource) (const char *name);
+} s_surf_model_extension_storage_t;
+
      /** \brief Workstation model extension public
       *  \ingroup SURF_models
       *
@@ -294,6 +310,7 @@ typedef struct surf_model {
   union extension {
     s_surf_model_extension_cpu_t cpu;
     s_surf_model_extension_network_t network;
+    s_surf_model_extension_storage_t storage;
     s_surf_model_extension_workstation_t workstation;
   } extension;
 } s_surf_model_t;
diff --git a/src/surf/storage.c b/src/surf/storage.c
new file mode 100644
index 0000000000..c471d8f3d7
--- /dev/null
+++ b/src/surf/storage.c
@@ -0,0 +1,54 @@
+/* Copyright (c) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012. The SimGrid Team.
+ * All rights reserved.                                                                 */
+
+/* This program is free software; you can redistribute it and/or modify it
+ * under the terms of the license (GNU LGPL) which comes with this package.             */
+
+#include "xbt/ex.h"
+#include "xbt/dict.h"
+#include "portable.h"
+#include "surf_private.h"
+#include "surf/surf_resource.h"
+
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_storage, surf,
+                                "Logging specific to the SURF storage module");
+
+surf_model_t surf_storage_model = NULL;
+
+static surf_action_t storage_action_open(void *workstation, const char* path, const char* mode)
+{
+  return NULL;
+}
+
+static surf_action_t storage_action_close(void *workstation, surf_file_t fp)
+{
+  return NULL;
+}
+
+static surf_action_t storage_action_read(void *workstation, void* ptr, size_t size, size_t nmemb, surf_file_t stream)
+{
+  return NULL;
+}
+
+static surf_action_t storage_action_write(void *workstation, const void* ptr, size_t size, size_t nmemb, surf_file_t stream)
+{
+  return NULL;
+}
+
+static surf_action_t storage_action_stat(void *workstation, int fd, void* buf)
+{
+  return NULL;
+}
+
+static void surf_storage_model_init_internal(void)
+{
+  surf_storage_model = surf_model_init();
+
+  surf_storage_model->name = "Storage";
+
+  surf_storage_model->extension.workstation.open = storage_action_open;
+  surf_storage_model->extension.workstation.close = storage_action_close;
+  surf_storage_model->extension.workstation.read = storage_action_read;
+  surf_storage_model->extension.workstation.write = storage_action_write;
+  surf_storage_model->extension.workstation.stat = storage_action_stat;
+}
-- 
2.20.1