-XBT_PUBLIC(size_t) MSG_file_read(void* ptr, size_t size, size_t nmemb, msg_file_t stream);
-XBT_PUBLIC(size_t) MSG_file_write(const void* ptr, size_t size, size_t nmemb, msg_file_t stream);
-XBT_PUBLIC(msg_file_t) MSG_file_open(const char* mount, const char* path, const char* mode);
-XBT_PUBLIC(int) MSG_file_close(msg_file_t fp);
-XBT_PUBLIC(int) MSG_file_stat(msg_file_t fd, s_msg_stat_t *buf);
-
+XBT_PUBLIC(sg_storage_size_t) MSG_file_read(sg_storage_size_t size, msg_file_t fd);
+XBT_PUBLIC(sg_storage_size_t) MSG_file_write(sg_storage_size_t size, msg_file_t fd);
+XBT_PUBLIC(msg_file_t) MSG_file_open(const char* mount, const char* path,
+ void* data);
+XBT_PUBLIC(void*) MSG_file_get_data(msg_file_t fd);
+XBT_PUBLIC(msg_error_t) MSG_file_set_data(msg_file_t fd, void * data);
+XBT_PUBLIC(int) MSG_file_close(msg_file_t fd);
+XBT_PUBLIC(sg_storage_size_t) MSG_file_get_size(msg_file_t fd);
+XBT_PUBLIC(void) MSG_file_dump(msg_file_t fd);
+XBT_PUBLIC(int) MSG_file_unlink(msg_file_t fd);
+XBT_PUBLIC(xbt_dict_t) MSG_file_ls(const char *mount, const char *path);
+XBT_PUBLIC(void) __MSG_file_get_info(msg_file_t fd);
+
+/************************** Storage handling ***********************************/
+XBT_PUBLIC(msg_host_t) MSG_get_storage_by_name(const char *name);
+XBT_PUBLIC(const char *) MSG_storage_get_name(msg_storage_t storage);
+XBT_PUBLIC(sg_storage_size_t) MSG_storage_get_free_size(const char* name);
+XBT_PUBLIC(sg_storage_size_t) MSG_storage_get_used_size(const char* name);
+XBT_PUBLIC(msg_storage_t) MSG_storage_get_by_name(const char *name);
+XBT_PUBLIC(xbt_dict_t) MSG_storage_get_properties(msg_storage_t storage);
+XBT_PUBLIC(void) MSG_storage_set_property_value(msg_storage_t storage, const char *name, char *value,void_f_pvoid_t free_ctn);
+XBT_PUBLIC(xbt_dynar_t) MSG_storages_as_dynar(void);
+XBT_PUBLIC(msg_error_t) MSG_storage_set_data(msg_storage_t host, void *data);
+XBT_PUBLIC(void *) MSG_storage_get_data(msg_storage_t storage);
+XBT_PUBLIC(xbt_dict_t) MSG_storage_get_content(msg_storage_t storage);
+/************************** AS Router handling ************************************/
+XBT_PUBLIC(const char *) MSG_as_router_get_property_value(const char* asr, const char *name);
+XBT_PUBLIC(xbt_dict_t) MSG_as_router_get_properties(const char* asr);
+XBT_PUBLIC(void) MSG_as_router_set_property_value(const char* asr, const char *name, char *value,void_f_pvoid_t free_ctn);