#ifndef _DRAW_GRAPHS
#define _DRAW_GRAPHS

#define MAX_STRLEN 16

struct rrd_image {
	const char *rrd_database;	/* Database file path */
	const char *image_filename; /* Output image */
	int	width;		/* Image dimensions */
	int	height;
	char	timestart[MAX_STRLEN];
	char	timeend[MAX_STRLEN];
	char	imageformat[MAX_STRLEN];
	const char **options; /* Null terminated list of rrdgraph options */
	int	text_lead;	/* Number of spaces at the beginning of line */
	const char	**text;	/* Null terminated list of text lines */
	const char *updatestr;	/* "Last update" string comment */
};

struct rrd_data_source {
	const char *type; /* Data source type, such as GAUGE or COUNTER */
	const char *name;
	int heartbeat;	/* Heartbeat value in seconds */
	double min;	/* Maximum and minimum values accepted by data source */
	double max;
};

struct rrd_archive {
	const char *type; /* Archive type, such as MAX, MIN or AVERAGE */
	double xff;	/* xfiles factor, 0..1 exclusive */
	int steps;	/* How many points needed to construct data point */
	int rows;	/* How many points are kept */
};

struct rrd_database {
	const char *filename;	/* rrd database location */
	int	interval;	/* Update interval */

	/* Parser to aquire data for rrd */
	struct parser_info *parser;
	const char **parser_data;	/* data to be fed to the parser */
	void *parser_state;		/* pointer to parser private state */

	char *const *pre_draw_cmd; /* Command to execute prior drawing images*/
	char *const *post_draw_cmd; /* ..and after drawing images */

	struct	rrd_image **images; /* Images to draw */

	struct rrd_data_source *sources; /* These are currently only used */
	struct rrd_archive *archives;	 /* generating new rrd database */

	const char *logfile;	/* Name of a file where data can be logged */
	const char *logfile_timestamp_fmt;

	time_t last_update;	/* When was the data last updated */
	int update_active;
	int update_backoff;
	const char *name;		/* Name of the database */
};

int rrdtool_draw_image(struct rrd_image *image);
int rrdtool_draw_images(struct rrd_image **image);
int rrdtool_update_data(struct rrd_database *rrd);
struct rrd_database *get_outdated_db(struct rrd_database **dblist);
int get_next_update(struct rrd_database **dblist, const char **name);
int rrdtool_create_missing_databases(struct rrd_database *dbs[]);

#endif