This program estimates DNS name server performance. More...

#include "config.h"
#include <signal.h>
#include "util/log.h"
#include "util/locks.h"
#include "util/net_help.h"
#include "util/data/msgencode.h"
#include "util/data/msgreply.h"
#include "util/data/msgparse.h"
#include "sldns/sbuffer.h"
#include "sldns/wire2str.h"
#include "sldns/str2wire.h"
#include <sys/time.h>

Data Structures
struct	perfinfo
	Global info for perf. More...

struct	perfio
	I/O port for perf. More...

Macros
#define	START_IO_INTERVAL 10
	number of msec between starting io ports

#define	IO_TIMEOUT 10
	number of msec timeout on io ports

Functions
static void	usage (char *nm)
	usage information for perf

static RETSIGTYPE	perf_sigh (int sig)
	signal handler for user quit

static int	perf_tv_smaller (struct timeval t1, struct timeval t2)
	timeval compare, t1 < t2

static void	perf_tv_add (struct timeval t1, struct timeval t2)
	timeval add, t1 += t2

static void	perf_tv_subtract (struct timeval t1, struct timeval t2)
	timeval subtract, t1 -= t2

static void	perfsetup (struct perfinfo *info)
	setup perf test environment

static void	perffree (struct perfinfo *info)
	cleanup perf test environment

static void	perfsend (struct perfinfo info, size_t n, struct timeval now)
	send new query for io

static void	perfreply (struct perfinfo info, size_t n, struct timeval now)
	got reply for io

static void	perftimeout (struct perfinfo info, size_t n, struct timeval now)
	got timeout for io

static void	stat_printout (struct perfinfo info, struct timeval now, struct timeval *elapsed)
	print nice stats about qps

static void	perfselect (struct perfinfo *info)
	wait for new events for performance test

static void	perfendstats (struct perfinfo *info)
	show end stats

static void	perfmain (struct perfinfo *info)
	perform the performance test

static int	qlist_parse_line (sldns_buffer buf, char p)
	parse a query line to a packet into buffer

static void	qlist_grow_capacity (struct perfinfo *info)
	grow query list capacity

static void	qlist_add_line (struct perfinfo info, char line, int no)
	setup query list in info

static void	qlist_read_file (struct perfinfo info, char fname)
	setup query list in info

int	main (int argc, char *argv[])
	main program for perf

Variables
static struct perfinfo *	sig_info
	signal handler global info

int	optind
	getopt global, in case header files fail to declare it. More...

char *	optarg
	getopt global, in case header files fail to declare it. More...