/*
 * Copyright (c) 2017 Balabit
 * Copyright (c) 2017 Laszlo Budai
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * 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 St, Fifth Floor, Boston, MA  02110-1301  USA
 *
 * As an additional exemption you are allowed to compile & link against the
 * OpenSSL libraries as published by the OpenSSL project. See the file
 * COPYING for details.
 *
 */

#ifndef STATS_CLUSTER_SINGLE_H_INCLUDED
#define STATS_CLUSTER_SINGLE_H_INCLUDED

#include "syslog-ng.h"
#include "stats-cluster.h"

typedef enum
{
  SC_TYPE_SINGLE_VALUE,
  SC_TYPE_SINGLE_MAX
} StatsCounterGroupSingle;

void stats_cluster_single_key_set(StatsClusterKey *key, const gchar *name, StatsClusterLabel *labels, gsize labels_len);


/*
 * The legacy functions should not be used for new code.
 * When transforming a legacy stats key to a new metric key, aliases should be specified consistently at all call sites.
 */
void stats_cluster_single_key_legacy_set(StatsClusterKey *key, guint16 component, const gchar *id,
                                         const gchar *instance);
void stats_cluster_single_key_add_legacy_alias(StatsClusterKey *key, guint16 component, const gchar *id,
                                               const gchar *instance);
void stats_cluster_single_key_legacy_set_with_name(StatsClusterKey *key, guint16 component, const gchar *id,
                                                   const gchar *instance, const gchar *name);
void stats_cluster_single_key_add_legacy_alias_with_name(StatsClusterKey *key, guint16 component, const gchar *id,
                                                         const gchar *instance, const gchar *name);

void stats_cluster_single_key_add_unit(StatsClusterKey *key, StatsClusterUnit stored_unit);
void stats_cluster_single_key_add_frame_of_reference(StatsClusterKey *key,
                                                     StatsClusterFrameOfReference frame_of_reference);


StatsCounterItem *stats_cluster_single_get_counter(StatsCluster *self);

#endif
