+#define GENERIC_LMM_ACTION(action) action->generic_lmm_action
+#define GENERIC_ACTION(action) GENERIC_LMM_ACTION(action).generic_action
+
+typedef struct surf_storage {
+ s_surf_resource_t generic_resource;
+ const char* type;
+ const char* content; /*should be a dict */
+} s_surf_storage_t, *surf_storage_t;
+
+static void storage_action_state_set(surf_action_t action, e_surf_action_state_t state);
+static surf_action_t storage_action_sleep (void *storage, double duration);
+
+static surf_action_t storage_action_open(void *storage, const char* path, const char* mode)
+{
+ return storage_action_sleep(storage,1.0);
+}
+
+static surf_action_t storage_action_close(void *storage, surf_file_t fp)
+{
+ return storage_action_sleep(storage,2.0);
+}
+
+static surf_action_t storage_action_read(void *storage, void* ptr, size_t size, size_t nmemb, surf_file_t stream)
+{
+ return storage_action_sleep(storage,3.0);
+}
+
+static surf_action_t storage_action_write(void *storage, const void* ptr, size_t size, size_t nmemb, surf_file_t stream)
+{
+ return storage_action_sleep(storage,4.0);
+}
+
+static surf_action_t storage_action_stat(void *storage, int fd, void* buf)
+{
+ return storage_action_sleep(storage,5.0);
+}
+
+static surf_action_t storage_action_execute (void *storage, double size)
+{
+ surf_action_storage_t action = NULL;
+ storage_t STORAGE = storage;
+
+ XBT_IN("(%s,%g)", surf_resource_name(STORAGE), size);
+ action =
+ surf_action_new(sizeof(s_surf_action_storage_t), size, surf_storage_model,
+ STORAGE->state_current != SURF_RESOURCE_ON);
+
+ GENERIC_LMM_ACTION(action).suspended = 0; /* Should be useless because of the
+ calloc but it seems to help valgrind... */
+ GENERIC_LMM_ACTION(action).variable =
+ lmm_variable_new(storage_maxmin_system, action, 1.0, -1.0 , 1);
+ XBT_OUT();
+ return (surf_action_t) action;
+}
+
+static surf_action_t storage_action_sleep (void *storage, double duration)
+{
+ surf_action_storage_t action = NULL;
+
+ if (duration > 0)
+ duration = MAX(duration, MAXMIN_PRECISION);
+
+ XBT_IN("(%s,%g)", surf_resource_name(storage), duration);
+ action = (surf_action_storage_t) storage_action_execute(storage, 1.0);
+ GENERIC_ACTION(action).max_duration = duration;
+ GENERIC_LMM_ACTION(action).suspended = 2;
+ if (duration == NO_MAX_DURATION) {
+ /* Move to the *end* of the corresponding action set. This convention
+ is used to speed up update_resource_state */
+ xbt_swag_remove(action, ((surf_action_t) action)->state_set);
+ ((surf_action_t) action)->state_set =
+ storage_running_action_set_that_does_not_need_being_checked;
+ xbt_swag_insert(action, ((surf_action_t) action)->state_set);
+ }
+ XBT_OUT();
+ return (surf_action_t) action;
+}
+
+static void* storage_create_resource(const char* id, const char* model,const char* type_id,
+ const char* content, xbt_dict_t storage_properties)
+{
+ storage_t storage = NULL;
+
+ xbt_assert(!surf_storage_resource_by_name(id),
+ "Storage '%s' declared several times in the platform file",
+ id);
+ storage = (storage_t) surf_resource_new(sizeof(s_storage_t),
+ surf_storage_model, id,storage_properties);
+
+ storage->state_current = SURF_RESOURCE_ON;
+
+ xbt_lib_set(storage_lib, id, SURF_STORAGE_LEVEL, storage);
+
+ XBT_DEBUG("SURF storage create resource\n\t\tid '%s'\n\t\ttype '%s' \n\t\tmodel '%s' \n\t\tcontent '%s'\n\t\tproperties '%p'\n",
+ id,
+ model,
+ type_id,
+ content,
+ storage_properties);
+
+ return storage;
+}
+
+static void storage_finalize(void)
+{
+ lmm_system_free(storage_maxmin_system);
+ storage_maxmin_system = NULL;
+
+ surf_model_exit(surf_storage_model);
+ surf_storage_model = NULL;
+
+ xbt_swag_free
+ (storage_running_action_set_that_does_not_need_being_checked);
+ storage_running_action_set_that_does_not_need_being_checked = NULL;
+}
+
+static void storage_update_actions_state(double now, double delta)
+{
+ surf_action_storage_t action = NULL;
+ surf_action_storage_t next_action = NULL;
+ xbt_swag_t running_actions = surf_storage_model->states.running_action_set;
+ xbt_swag_foreach_safe(action, next_action, running_actions) {
+
+ double_update(&(GENERIC_ACTION(action).remains),
+ lmm_variable_getvalue(GENERIC_LMM_ACTION(action).variable) * delta);
+ if (GENERIC_LMM_ACTION(action).generic_action.max_duration != NO_MAX_DURATION)
+ double_update(&(GENERIC_ACTION(action).max_duration), delta);
+ if ((GENERIC_ACTION(action).remains <= 0) &&
+ (lmm_get_variable_weight(GENERIC_LMM_ACTION(action).variable) > 0)) {
+ GENERIC_ACTION(action).finish = surf_get_clock();
+ storage_action_state_set((surf_action_t) action, SURF_ACTION_DONE);
+ } else if ((GENERIC_ACTION(action).max_duration != NO_MAX_DURATION) &&
+ (GENERIC_ACTION(action).max_duration <= 0)) {
+ GENERIC_ACTION(action).finish = surf_get_clock();
+ storage_action_state_set((surf_action_t) action, SURF_ACTION_DONE);
+ }
+ }
+
+ return;
+}
+
+static double storage_share_resources(double NOW)
+{
+ XBT_DEBUG("storage_share_resources %f",NOW);
+ s_surf_action_storage_t action;
+ return generic_maxmin_share_resources(surf_storage_model->states.running_action_set,
+ xbt_swag_offset(action, generic_lmm_action.variable),
+ storage_maxmin_system, lmm_solve);
+}
+
+static int storage_resource_used(void *resource_id)
+{
+ THROW_UNIMPLEMENTED;
+ return 0;
+}
+
+static void storage_resources_state(void *id, tmgr_trace_event_t event_type,
+ double value, double time)
+{
+ THROW_UNIMPLEMENTED;
+}
+
+static int storage_action_unref(surf_action_t action)