#ifndef _DRAW_GRAPHS
#define _DRAW_GRAPHS

#define MAX_STRLEN 16

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

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

struct rrd_archive {
	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 {
	char	*filename;	/* rrd database location */
	int	interval;	/* Update interval */
	int (*parse)(char *data); /* Parser to aquire data */
	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 */

	int	last_update;	/* When was the data last updated */
	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);
int rrdtool_check_databases(struct rrd_database *dbs[]);


#endif