/**
 * @file include/di/can/net/structures.h
 * @brief DI-Net network maintenance data structures
 * @date Jul 12, 2016
 * @author jjacobs
 * @copyright 2016 Dual Inventive Technology Centre B.V.
 *
 * descr
 */
#ifndef LIBDI_INCLUDE_DI_CAN_NET_STRUCTURES_H_
#define LIBDI_INCLUDE_DI_CAN_NET_STRUCTURES_H_

#include <stdint.h>
#include <di/semaphore.h>
#include <di/can/net/cfg.h>
#include <di/can/net/node.h>
#include <di/can/net/discover.h>

#ifdef __cplusplus
extern "C" {
#endif

/**
 * Node tracking structure
 */
struct di_can_net_node {
	uint32_t nodeid;  /**< NodeID (msg->src_id) */
	uint64_t seen;    /**< Last seen (di_time_get_uptime) */
	di_errno_t error; /**< Last received di_errno_t from DI_CAN_NET_DTYPE_NODE_ERROR message */
	enum di_can_net_node_states state;
	enum di_can_net_node_types  type;
	enum di_can_net_node_roles  role;
};

struct di_can_net_node_fw_version {
	uint8_t major;
	uint8_t minor;
	uint8_t patch;
	uint8_t year; /**< Year is formatted without century, year 2016 is formatted as 16 */
	uint8_t month;
	uint8_t day;
	uint8_t hour;
	uint8_t minute;
	uint8_t second;
};

/**
 * CAN Net Subsystem
 */
struct di_can_net {
	di_bsem_t lock;
	bool self_was_leader; /**< Flag for application volunteer dropped leadership */
	struct di_can_net_node self; /**< Self node */

	struct {
		di_can_net_node_event_cb_t event_cb; /**< Node event callback register by application */
		di_bsem_t event_cb_bsem; /**< Node event callback signal for application */
		struct di_can_net_node list[DI_CAN_NET_CFG_MAX_NODES]; /**< Network node list */
	} nodes;
	struct {
		enum di_can_net_discover_state state;
		uint64_t time; /**< Timestamp of discover request (di_time_get_uptime) */
	} discover;
	struct {
		uint64_t self_error_publish_time; /**< Self node next periodic publish time when self.error != DNOK */
	} periodic;
};

#ifdef __cplusplus
}
#endif

#endif /* LIBDI_INCLUDE_DI_CAN_NET_STRUCTURES_H_ */