Storage API

[simgrid.git] / src / msg / msg_io.c

diff --git a/src/msg/msg_io.c b/src/msg/msg_io.c
index bd56338..1c1fdd6 100644 (file)
--- a/src/msg/msg_io.c
+++ b/src/msg/msg_io.c
@@ -101,6 +101,7 @@ size_t MSG_file_write(size_t size, msg_file_t fd)
  *
  * \param mount is the mount point where find the file is located
  * \param fullname is the file location on the storage
+ * \param data user data to attach to the file
  *
  * \return An #msg_file_t associated to the file
  */
@@ -112,7 +113,6 @@ msg_file_t MSG_file_open(const char* mount, const char* fullname, void* data)
   file->info = xbt_new0(s_file_info_t,1);
   file->simdata->smx_file = simcall_file_open(mount, fullname);
   SIMIX_file_set_data(file->simdata->smx_file, data);
-
   return file;
 }
 
@@ -178,8 +178,16 @@ xbt_dict_t MSG_file_ls(const char *mount, const char *path)
   return simcall_file_ls(mount, path);
 }
 
+/********************************* Storage **************************************/
+
+/** @addtogroup msg_storage_management
+ *     \htmlonly <!-- DOXYGEN_NAVBAR_LABEL="Storages" --> \endhtmlonly
+ * (#msg_storage_t) and the functions for managing it.
+ *
+ */
+
 /** \ingroup msg_storage_management
- * \brief Return the free space size of a storage element
+ * \brief Returns the free space size of a storage element
  * \param the storage name (#char*)
  * \return the free space size of the storage element (as a size_t)
  */
@@ -188,10 +196,61 @@ size_t MSG_storage_get_free_size(const char* name){
 }
 
 /** \ingroup msg_storage_management
- * \brief Return the used space size of a storage element
+ * \brief Returns the used space size of a storage element
  * \param the storage name (#char*)
  * \return the used space size of the storage element (as a size_t)
  */
 size_t MSG_storage_get_used_size(const char* name){
   return simcall_storage_get_used_size(name);
 }
+
+/** \ingroup msg_storage_management
+ * \brief Returns a xbt_dict_t consisting of the list of properties assigned to this storage
+ * \param storage a storage
+ * \return a dict containing the properties
+ */
+xbt_dict_t MSG_storage_get_properties(msg_storage_t storage)
+{
+  xbt_assert((storage != NULL), "Invalid parameters (storage is NULL)");
+  return (simcall_storage_get_properties(storage->simdata->smx_storage));
+}
+
+/** \ingroup msg_storage_management
+ * \brief Finds a msg_storage_t using its name.
+ * \param name the name of a storage.
+ * \return the corresponding storage
+ */
+msg_storage_t MSG_storage_get_by_name(const char *name)
+{
+  return (msg_storage_t) xbt_lib_get_elm_or_null(storage_lib,name);
+}
+
+/** \ingroup msg_storage_management
+ * \brief Returns a dynar containing all the storage elements declared at a given point of time
+ *
+ *
+ *
+ * @TODO implement a new msg_storage_t structure that hides members (use xbt_dict)
+ */
+xbt_dynar_t MSG_storages_as_dynar(void) {
+
+  xbt_lib_cursor_t cursor;
+  char *key;
+  void **data;
+  xbt_dynar_t res = xbt_dynar_new(sizeof(msg_storage_t),NULL);
+  msg_storage_t storage;
+  xbt_lib_foreach(storage_lib, cursor, key, data) {
+    if(routing_get_network_element_type(key) == ROUTING_STORAGE_LEVEL) {
+      xbt_dictelm_t elm = xbt_dict_cursor_get_elm(cursor);
+      storage = xbt_new(s_msg_storage_t, 1);
+      storage->name = elm->key;
+      storage->simdata = xbt_new0(s_simdata_storage_t,1);
+      smx_storage_t simix_storage = xbt_lib_get_or_null(storage_lib, elm->key, SURF_STORAGE_LEVEL);
+      storage->simdata->smx_storage = simix_storage;
+      storage->data = NULL;
+      xbt_dynar_push(res, &storage);
+    }
+  }
+
+  return res;
+}