/*
 * Copyright (c) 2014 Joris Vink <joris@coders.se>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#ifndef _H_KORE_PGSQL
#define _H_KORE_PGSQL

#include <libpq-fe.h>

struct pgsql_conn {
	u_int8_t			type;
	u_int8_t			flags;

	PGconn				*db;
	struct pgsql_job		*job;
	TAILQ_ENTRY(pgsql_conn)		list;
};

struct kore_pgsql {
	u_int8_t		state;
	char			*error;
	PGresult		*result;
	struct pgsql_conn	*conn;
};

extern u_int16_t	pgsql_conn_max;
extern char		*pgsql_conn_string;

void		kore_pgsql_init(void);
void		kore_pgsql_handle(void *, int);
void		kore_pgsql_cleanup(struct kore_pgsql *);
void		kore_pgsql_continue(struct http_request *,
		    struct kore_pgsql *);
int		kore_pgsql_async(struct kore_pgsql *,
		    struct http_request *, const char *);

int		kore_pgsql_ntuples(struct kore_pgsql *);
void		kore_pgsql_logerror(struct kore_pgsql *);
char		*kore_pgsql_getvalue(struct kore_pgsql *, int, int);

#define KORE_PGSQL_STATE_INIT		1
#define KORE_PGSQL_STATE_WAIT		2
#define KORE_PGSQL_STATE_RESULT		3
#define KORE_PGSQL_STATE_ERROR		4
#define KORE_PGSQL_STATE_DONE		5
#define KORE_PGSQL_STATE_COMPLETE	6

#endif