Add notification iterator tests

[babeltrace.git] / lib / graph / notification / inactivity.c

/*
 * Copyright 2017 Philippe Proulx <pproulx@efficios.com>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#include <babeltrace/object-internal.h>
#include <babeltrace/compiler-internal.h>
#include <babeltrace/ctf-ir/clock-class.h>
#include <babeltrace/graph/clock-class-priority-map.h>
#include <babeltrace/graph/notification-internal.h>
#include <babeltrace/graph/notification-inactivity-internal.h>

static
void bt_notification_inactivity_destroy(struct bt_object *obj)
{
	struct bt_notification_inactivity *notification =
			(struct bt_notification_inactivity *) obj;

	bt_put(notification->cc_prio_map);

	if (notification->clock_values) {
		g_hash_table_destroy(notification->clock_values);
	}

	g_free(notification);
}

struct bt_notification *bt_notification_inactivity_create(
		struct bt_clock_class_priority_map *cc_prio_map)
{
	struct bt_notification_inactivity *notification;
	struct bt_notification *ret_notif = NULL;

	if (!cc_prio_map) {
		goto error;
	}

	notification = g_new0(struct bt_notification_inactivity, 1);
	if (!notification) {
		goto error;
	}
	bt_notification_init(&notification->parent,
			BT_NOTIFICATION_TYPE_INACTIVITY,
			bt_notification_inactivity_destroy);
	ret_notif = &notification->parent;
	notification->clock_values = g_hash_table_new_full(g_direct_hash,
			g_direct_equal, bt_put, bt_put);
	if (!notification->clock_values) {
		goto error;
	}

	notification->cc_prio_map = bt_get(cc_prio_map);
	goto end;

error:
	BT_PUT(ret_notif);

end:
	return ret_notif;
}

extern struct bt_clock_class_priority_map *
bt_notification_inactivity_get_clock_class_priority_map(
		struct bt_notification *notification)
{
	struct bt_clock_class_priority_map *cc_prio_map = NULL;
	struct bt_notification_inactivity *inactivity_notification;

	if (bt_notification_get_type(notification) !=
			BT_NOTIFICATION_TYPE_INACTIVITY) {
		goto end;
	}

	inactivity_notification = container_of(notification,
			struct bt_notification_inactivity, parent);
	cc_prio_map = bt_get(inactivity_notification->cc_prio_map);
end:
	return cc_prio_map;
}

struct bt_ctf_clock_value *bt_notification_inactivity_get_clock_value(
		struct bt_notification *notification,
		struct bt_ctf_clock_class *clock_class)
{
	struct bt_ctf_clock_value *clock_value = NULL;
	struct bt_notification_inactivity *inactivity_notification;

	if (!notification || !clock_class) {
		goto end;
	}

	if (bt_notification_get_type(notification) !=
			BT_NOTIFICATION_TYPE_INACTIVITY) {
		goto end;
	}

	inactivity_notification = container_of(notification,
			struct bt_notification_inactivity, parent);
	clock_value = g_hash_table_lookup(inactivity_notification->clock_values,
		clock_class);
	bt_get(clock_value);

end:
	return clock_value;
}

int bt_notification_inactivity_set_clock_value(
		struct bt_notification *notification,
		struct bt_ctf_clock_value *clock_value)
{
	int ret = 0;
	uint64_t prio;
	struct bt_ctf_clock_class *clock_class = NULL;
	struct bt_notification_inactivity *inactivity_notification;

	if (!notification || !clock_value || notification->frozen) {
		ret = -1;
		goto end;
	}

	if (bt_notification_get_type(notification) !=
			BT_NOTIFICATION_TYPE_INACTIVITY) {
		goto end;
	}

	inactivity_notification = container_of(notification,
			struct bt_notification_inactivity, parent);
	clock_class = bt_ctf_clock_value_get_class(clock_value);
	ret = bt_clock_class_priority_map_get_clock_class_priority(
		inactivity_notification->cc_prio_map, clock_class, &prio);
	if (ret) {
		/*
		 * Clock value's class is not mapped to a priority
		 * within the scope of this notification.
		 */
		goto end;
	}

	g_hash_table_insert(inactivity_notification->clock_values,
		clock_class, bt_get(clock_value));
	clock_class = NULL;

end:
	bt_put(clock_class);
	return ret;
}