#ifndef SP_BTR_H
#define SP_BTR_H

#pragma once

#include "array.h"

#include "sp_def.h"

// boot record utility functions
typedef struct sp_btr_reocrd_t {
	unsigned int tm_start;
	sp_version_t version;
	unsigned int tm_shutdown;
	int shutdown_reason;			// 重启原因
	int shutdown_reason_cnt;
	int shutdown_way;				// 重启方式。包括3中重启类型：框架重启、操作系统重启、电源重启
	int shutdown_way_cnt;
}sp_btr_reocrd_t;

typedef struct sp_btr_context_t {
	sp_btr_reocrd_t last_boot_info;
	unsigned int cur_start_time;
	sp_version_t cur_version;
}sp_btr_context_t;

SPBASE_API int sp_btr_write_on_start(const char *bootrec_path, sp_version_t *version, sp_btr_context_t **p_ctx);
SPBASE_API int sp_btr_write_on_shutdown(const char *bootrec_path, sp_btr_context_t *ctx, int reason, int way);
sp_btr_reocrd_t* sp_btr_get_rec_before(const char *bootrec_path, sp_btr_context_t *ctx, unsigned int before_this_time);

#endif // SP_BTR_H