/*-------------------------------------------------------------------------
 *
 * trace.h--
 *
 *	  Conditional trace definitions.
 *
 *    Massimo Dal Zotto <dz@cs.unitn.it>
 *
 *-------------------------------------------------------------------------
 */

#ifndef TRACE_H
#define TRACE_H

#include <stdio.h>
#include <string.h>
#include <time.h>
#include <stdarg.h>

#include "postgres.h"

#ifdef ELOG_TIMESTAMPS
char *tprintf_timestamp(void);
#define TIMESTAMP_SIZE 28
#else
#define TIMESTAMP_SIZE 0
#endif

extern int tprintf(int flag, const char *fmt, ...);
extern int eprintf(const char *fmt, ...);
extern int option_flag(int flag);
extern int set_option_flag(int flag, int value);
extern void write_syslog(int level, char *line);
extern void parse_options(char *str);
extern void read_pg_options(SIGNAL_ARGS);

/*
 * Trace options, used as index into pg_options.
 * Must match the constants in pg_options[].
 */
enum pg_option_enum {
	TRACE_ALL,				/* 0=trace some, 1=trace all, -1=trace none */
	TRACE_VERBOSE,
	TRACE_QUERY,
	TRACE_PLAN,
	TRACE_PARSE,
	TRACE_REWRITTEN,
	TRACE_PARSERSTATS,
	TRACE_PLANNERSTATS,
	TRACE_EXECUTORSTATS,
	TRACE_SHORTLOCKS,		/* currently unused but needed, see lock.c */
	TRACE_LOCKS,
	TRACE_USERLOCKS,
	TRACE_SPINLOCKS,
	TRACE_NOTIFY,
	TRACE_MALLOC,
	TRACE_PALLOC,
	TRACE_LOCKOIDMIN,
	TRACE_LOCKRELATION,
	OPT_LOCKREADPRIORITY,	/* lock priority, see lock.c */
	OPT_DEADLOCKTIMEOUT,	/* deadlock timeout, see proc.c */
	OPT_SYSLOG,				/* use syslog for error messages */
	OPT_HOSTLOOKUP,			/* enable hostname lookup in ps_status */
	OPT_SHOWPORTNUMBER,		/* show port number in ps_status */
	OPT_NOTIFYUNLOCK,		/* enable unlock of pg_listener after notify */
	OPT_NOTIFYHACK,			/* enable notify hack to remove duplicate tuples */

	NUM_PG_OPTIONS			/* must be the last item of enum */
};

extern int pg_options[NUM_PG_OPTIONS];

#define PRINTF(args...)			tprintf(TRACE_ALL, args)
#define EPRINTF(args...) 		eprintf(args)
#define TPRINTF(flag, args...)	tprintf(flag, args)

#endif							/* TRACE_H */

/*
 * Local variables:
 *  tab-width: 4
 *  c-indent-level: 4
 *  c-basic-offset: 4
 * End:
 */
