/*-
* Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer,
* without modification.
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
* similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
* redistribution must be conditioned upon including a substantially
* similar Disclaimer requirement for further binary redistribution.
*
* NO WARRANTY
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGES.
*
* $FreeBSD$
*/
/*
* Simple Atheros-specific tool to inspect and monitor network traffic
* statistics.
*
* athstats [-i interface] [-bz] [-l] [-o fmtstring] [interval]
*
* (default interface is ath0). If interval is specified a rolling output
* a la netstat -i is displayed every interval seconds. The format of
* the rolling display can be controlled a la ps. The -l option will
* print a list of all possible statistics for use with the -o option.
*/
#include <sys/param.h>
#include <err.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "athstats.h"
static struct {
const char *tag;
const char *fmt;
} tags[] = {
{ "default",
"input,output,altrate,short,long,xretry,crcerr,crypt,phyerr,rssi,rate"
},
{ "ani",
"avgbrssi,avgrssi,avgtxrssi,NI,SI,step,owsd,cwst,NI+,NI-,SI+,SI-,OFDM,CCK,LISTEN"
},
{ "tdma",
"input,output,bexmit,tdmau,tdmadj,crcerr,phyerr,phytor,rssi,noise,rate"
},
};
static const char *
getfmt(const char *tag)
{
int i;
for (i = 0; i < nitems(tags); i++)
if (strcasecmp(tags[i].tag, tag) == 0)
return tags[i].fmt;
return tag;
}
static int signalled;
static void
catchalarm(int signo __unused)
{
signalled = 1;
}
int
main(int argc, char *argv[])
{
struct athstatfoo *wf;
const char *ifname;
int c, banner = 1;
ifname = getenv("ATH");
if (ifname == NULL)
ifname = ATH_DEFAULT;
wf = athstats_new(ifname, getfmt("default"));
while ((c = getopt(argc, argv, "bi:lo:z")) != -1) {
switch (c) {
case 'b':
banner = 0;
break;
case 'i':
wf->setifname(wf, optarg);
break;
case 'l':
wf->print_fields(wf, stdout);
return 0;
case 'o':
wf->setfmt(wf, getfmt(optarg));
break;
case 'z':
wf->zerostats(wf);
break;
default:
errx(-1, "usage: %s [-a] [-i ifname] [-l] [-o fmt] [-z] [interval]\n", argv[0]);
/*NOTREACHED*/
}
}
argc -= optind;
argv += optind;
if (argc > 0) {
u_long interval = strtoul(argv[0], NULL, 0);
int line, omask;
if (interval < 1)
interval = 1;
signal(SIGALRM, catchalarm);
signalled = 0;
alarm(interval);
banner:
if (banner)
wf->print_header(wf, stdout);
line = 0;
loop:
if (line != 0) {
wf->collect_cur(wf);
wf->print_current(wf, stdout);
wf->update_tot(wf);
} else {
wf->collect_tot(wf);
wf->print_total(wf, stdout);
}
fflush(stdout);
omask = sigblock(sigmask(SIGALRM));
if (!signalled)
sigpause(0);
sigsetmask(omask);
signalled = 0;
alarm(interval);
line++;
if (line == 21) /* XXX tty line count */
goto banner;
else
goto loop;
/*NOTREACHED*/
} else {
wf->collect_tot(wf);
wf->print_verbose(wf, stdout);
}
return 0;
}