+++ /dev/null
-/*
- * Copyright (C) 2017 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
- *
- * This library is free software; you can redistribute it and/or modify it
- * under the terms of the GNU Lesser General Public License, version 2.1 only,
- * as published by the Free Software Foundation.
- *
- * This library is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
- * for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this library; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include <lttng/notification/notification-internal.h>
-#include <lttng/condition/condition-internal.h>
-#include <lttng/condition/evaluation-internal.h>
-#include <lttng/condition/condition.h>
-#include <lttng/condition/evaluation.h>
-#include <assert.h>
-
-LTTNG_HIDDEN
-struct lttng_notification *lttng_notification_create(
- struct lttng_condition *condition,
- struct lttng_evaluation *evaluation)
-{
- struct lttng_notification *notification = NULL;
-
- if (!condition || !evaluation) {
- goto end;
- }
-
- notification = zmalloc(sizeof(struct lttng_notification));
- if (!notification) {
- goto end;
- }
-
- notification->condition = condition;
- notification->evaluation = evaluation;
- notification->owns_elements = false;
-end:
- return notification;
-}
-
-LTTNG_HIDDEN
-ssize_t lttng_notification_serialize(struct lttng_notification *notification,
- char *buf)
-{
- ssize_t ret, condition_size, evaluation_size, offset = 0;
- struct lttng_notification_comm notification_comm = { 0 };
-
- if (!notification) {
- ret = -1;
- goto end;
- }
-
- offset += sizeof(notification_comm);
- condition_size = lttng_condition_serialize(notification->condition,
- buf ? (buf + offset) : NULL);
- if (condition_size < 0) {
- ret = condition_size;
- goto end;
- }
- offset += condition_size;
-
- evaluation_size = lttng_evaluation_serialize(notification->evaluation,
- buf ? (buf + offset) : NULL);
- if (evaluation_size < 0) {
- ret = evaluation_size;
- goto end;
- }
- offset += evaluation_size;
-
- if (buf) {
- notification_comm.length =
- (uint32_t) (condition_size + evaluation_size);
- memcpy(buf, ¬ification_comm, sizeof(notification_comm));
- }
- ret = offset;
-end:
- return ret;
-
-}
-
-LTTNG_HIDDEN
-ssize_t lttng_notification_create_from_buffer(
- const struct lttng_buffer_view *src_view,
- struct lttng_notification **notification)
-{
- ssize_t ret, notification_size = 0, condition_size, evaluation_size;
- const struct lttng_notification_comm *notification_comm;
- struct lttng_condition *condition;
- struct lttng_evaluation *evaluation;
- struct lttng_buffer_view condition_view;
- struct lttng_buffer_view evaluation_view;
-
- if (!src_view || !notification) {
- ret = -1;
- goto end;
- }
-
- notification_comm =
- (const struct lttng_notification_comm *) src_view->data;
- notification_size += sizeof(*notification_comm);
-
- /* struct lttng_condition */
- condition_view = lttng_buffer_view_from_view(src_view,
- sizeof(*notification_comm), -1);
- condition_size = lttng_condition_create_from_buffer(&condition_view,
- &condition);
- if (condition_size < 0) {
- ret = condition_size;
- goto end;
- }
- notification_size += condition_size;
-
- /* struct lttng_evaluation */
- evaluation_view = lttng_buffer_view_from_view(&condition_view,
- condition_size, -1);
- evaluation_size = lttng_evaluation_create_from_buffer(&evaluation_view,
- &evaluation);
- if (evaluation_size < 0) {
- ret = evaluation_size;
- goto end;
- }
- notification_size += evaluation_size;
-
- /* Unexpected size of inner-elements; the buffer is corrupted. */
- if ((ssize_t) notification_comm->length !=
- condition_size + evaluation_size) {
- ret = -1;
- goto error;
- }
-
- *notification = lttng_notification_create(condition, evaluation);
- if (!*notification) {
- ret = -1;
- goto error;
- }
- ret = notification_size;
- (*notification)->owns_elements = true;
-end:
- return ret;
-error:
- lttng_condition_destroy(condition);
- lttng_evaluation_destroy(evaluation);
- return ret;
-}
-
-void lttng_notification_destroy(struct lttng_notification *notification)
-{
- if (!notification) {
- return;
- }
-
- if (notification->owns_elements) {
- lttng_condition_destroy(notification->condition);
- lttng_evaluation_destroy(notification->evaluation);
- }
- free(notification);
-}
-
-const struct lttng_condition *lttng_notification_get_condition(
- struct lttng_notification *notification)
-{
- return notification ? notification->condition : NULL;
-}
-
-const struct lttng_evaluation *lttng_notification_get_evaluation(
- struct lttng_notification *notification)
-{
- return notification ? notification->evaluation : NULL;
-}