/*
** Zabbix
** Copyright (C) 2001-2023 Zabbix SIA
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 2 of the License, or
** (at your option) any later version.
**
** This program 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 General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software
** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
**/

#ifndef ZABBIX_CONNECTOR_H
#define ZABBIX_CONNECTOR_H

#include "zbxtypes.h"
#include "zbxipcservice.h"

#include "zbxcacheconfig.h"

#define ZBX_IPC_SERVICE_CONNECTOR		"connector"

#define ZBX_IPC_CONNECTOR_WORKER		1
#define ZBX_IPC_CONNECTOR_REQUEST		2
#define ZBX_IPC_CONNECTOR_RESULT		3
#define ZBX_IPC_CONNECTOR_DIAG_STATS		4
#define ZBX_IPC_CONNECTOR_DIAG_STATS_RESULT	5
#define ZBX_IPC_CONNECTOR_TOP_CONNECTORS	6
#define	ZBX_IPC_CONNECTOR_TOP_CONNECTORS_RESULT	7
#define ZBX_IPC_CONNECTOR_QUEUE			8
#define ZBX_IPC_CONNECTOR_QUEUE_RESULT		9

typedef struct
{
	zbx_uint64_t		objectid;
	zbx_timespec_t		ts;
	char			*str;
	zbx_vector_uint64_t	ids;
}
zbx_connector_object_t;

ZBX_PTR_VECTOR_DECL(connector_object, zbx_connector_object_t)

typedef struct
{
	zbx_timespec_t		ts;
	char			*str;
}
zbx_connector_data_point_t;

typedef struct
{
	zbx_uint64_t	connectorid;
	int		values_num;
	int		links_num;
	int		queued_links_num;
}
zbx_connector_stat_t;

ZBX_PTR_VECTOR_DECL(connector_data_point, zbx_connector_data_point_t)

void	zbx_connector_serialize_object(unsigned char **data, size_t *data_alloc, size_t *data_offset,
		const zbx_connector_object_t *connector_object);
void	zbx_connector_deserialize_object(const unsigned char *data, zbx_uint32_t size,
		zbx_vector_connector_object_t *connector_objects);
void	zbx_connector_object_free(zbx_connector_object_t connector_object);
void	zbx_connector_serialize_connector(unsigned char **data, size_t *data_alloc, size_t *data_offset,
		const zbx_connector_t *connector);
void	zbx_connector_serialize_data_point(unsigned char **data, size_t *data_alloc, size_t *data_offset,
		const zbx_connector_data_point_t *connector_data_point);
void	zbx_connector_deserialize_connector_and_data_point(const unsigned char *data, zbx_uint32_t size,
		zbx_connector_t *connector, zbx_vector_connector_data_point_t *connector_data_points);
void	zbx_connector_data_point_free(zbx_connector_data_point_t connector_data_point);

int		zbx_connector_get_diag_stats(zbx_uint64_t *queued, char **error);
zbx_uint32_t	zbx_connector_pack_diag_stats(unsigned char **data, zbx_uint64_t queued);

int	zbx_connector_get_top_connectors(int limit, zbx_vector_ptr_t *items, char **error);
void	zbx_connector_unpack_top_request(int *limit, const unsigned char *data);
zbx_uint32_t	zbx_connector_pack_top_connectors_result(unsigned char **data, zbx_connector_stat_t **connector_stats,
		int connector_stats_num);
int	zbx_connector_get_queue_size(zbx_uint64_t *size, char **error);

void	zbx_connector_send(zbx_uint32_t code, unsigned char *data, zbx_uint32_t size);
void	zbx_connector_init(void);
int	zbx_connector_initialized(void);
#endif /* ZABBIX_AVAILABILITY_H */