+++ /dev/null
-/*
- * Copyright (C) 2017 Jérémie Galarneau <jeremie.galarneau@efficios.com>
- *
- * SPDX-License-Identifier: LGPL-2.1-only
- *
- */
-
-#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 <common/payload.h>
-#include <common/payload-view.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;
-end:
- return notification;
-}
-
-LTTNG_HIDDEN
-int lttng_notification_serialize(const struct lttng_notification *notification,
- struct lttng_payload *payload)
-{
- int ret;
- size_t header_offset, size_before_payload;
- struct lttng_notification_comm notification_comm = { 0 };
- struct lttng_notification_comm *header;
-
- header_offset = payload->buffer.size;
- ret = lttng_dynamic_buffer_append(&payload->buffer, ¬ification_comm,
- sizeof(notification_comm));
- if (ret) {
- goto end;
- }
-
- size_before_payload = payload->buffer.size;
- ret = lttng_condition_serialize(notification->condition,
- payload);
- if (ret) {
- goto end;
- }
-
- ret = lttng_evaluation_serialize(notification->evaluation, payload);
- if (ret) {
- goto end;
- }
-
- /* Update payload size. */
- header = (typeof(header)) (payload->buffer.data + header_offset);
- header->length = (uint32_t) (payload->buffer.size - size_before_payload);
-end:
- return ret;
-
-}
-
-LTTNG_HIDDEN
-ssize_t lttng_notification_create_from_payload(
- struct lttng_payload_view *src_view,
- struct lttng_notification **notification)
-{
- ssize_t ret, notification_size = 0, condition_size, evaluation_size;
- struct lttng_condition *condition;
- struct lttng_evaluation *evaluation;
- const struct lttng_notification_comm *notification_comm;
- const struct lttng_payload_view notification_comm_view =
- lttng_payload_view_from_view(
- src_view, 0, sizeof(*notification_comm));
-
- if (!src_view || !notification) {
- ret = -1;
- goto end;
- }
-
- if (!lttng_payload_view_is_valid(¬ification_comm_view)) {
- /* Payload not large enough to contain the header. */
- ret = -1;
- goto end;
- }
-
- notification_comm = (typeof(notification_comm)) notification_comm_view.buffer.data;
- notification_size += sizeof(*notification_comm);
- {
- /* struct lttng_condition */
- struct lttng_payload_view condition_view =
- lttng_payload_view_from_view(src_view,
- notification_size, -1);
-
- condition_size = lttng_condition_create_from_payload(
- &condition_view, &condition);
- }
-
- if (condition_size < 0) {
- ret = condition_size;
- goto end;
- }
-
- notification_size += condition_size;
-
- {
- /* struct lttng_evaluation */
- struct lttng_payload_view evaluation_view =
- lttng_payload_view_from_view(src_view,
- notification_size, -1);
-
- evaluation_size = lttng_evaluation_create_from_payload(
- condition, &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;
-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;
- }
-
- 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;
-}