1/*-
2 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
3 *               2012, Adrian Chadd
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer,
11 *    without modification.
12 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
13 *    similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
14 *    redistribution must be conditioned upon including a substantially
15 *    similar Disclaimer requirement for further binary redistribution.
16 *
17 * NO WARRANTY
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
21 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
22 * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
23 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
26 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
28 * THE POSSIBILITY OF SUCH DAMAGES.
29 *
30 * $FreeBSD$
31 */
32
33/*
34 * Simple Atheros-specific tool to inspect and monitor software queue
35 * and aggregate statistics.
36 *
37 *	athaggrstats [-i interface] [-bz] [-l] [-o fmtstring] [interval]
38 *
39 * (default interface is ath0).  If interval is specified a rolling output
40 * a la netstat -i is displayed every interval seconds.  The format of
41 * the rolling display can be controlled a la ps.  The -l option will
42 * print a list of all possible statistics for use with the -o option.
43 */
44
45#include <sys/param.h>
46
47#include <err.h>
48#include <signal.h>
49#include <stdio.h>
50#include <stdlib.h>
51#include <string.h>
52#include <unistd.h>
53
54#include "athaggrstats.h"
55
56static struct {
57	const char *tag;
58	const char *fmt;
59} tags[] = {
60  { "default",
61    "singlepkt,nonbawpkt,aggrpkt,bawclosedpkt,lhsinglepkt,schednopkt,rtsaggrlimit"
62  },
63};
64
65static const char *
66getfmt(const char *tag)
67{
68	int i;
69	for (i = 0; i < nitems(tags); i++)
70		if (strcasecmp(tags[i].tag, tag) == 0)
71			return tags[i].fmt;
72	return tag;
73}
74
75static int signalled;
76
77static void
78catchalarm(int signo __unused)
79{
80	signalled = 1;
81}
82
83int
84main(int argc, char *argv[])
85{
86	struct athaggrstatfoo *wf;
87	const char *ifname;
88	int c, banner = 1;
89
90	ifname = getenv("ATH");
91	if (ifname == NULL)
92		ifname = ATH_DEFAULT;
93	wf = athaggrstats_new(ifname, getfmt("default"));
94	while ((c = getopt(argc, argv, "bi:lo:z")) != -1) {
95		switch (c) {
96		case 'b':
97			banner = 0;
98			break;
99		case 'i':
100			wf->setifname(wf, optarg);
101			break;
102		case 'l':
103			wf->print_fields(wf, stdout);
104			return 0;
105		case 'o':
106			wf->setfmt(wf, getfmt(optarg));
107			break;
108		case 'z':
109			wf->zerostats(wf);
110			break;
111		default:
112			errx(-1, "usage: %s [-a] [-i ifname] [-l] [-o fmt] [-z] [interval]\n", argv[0]);
113			/*NOTREACHED*/
114		}
115	}
116	argc -= optind;
117	argv += optind;
118
119	if (argc > 0) {
120		u_long interval = strtoul(argv[0], NULL, 0);
121		int line, omask;
122
123		if (interval < 1)
124			interval = 1;
125		signal(SIGALRM, catchalarm);
126		signalled = 0;
127		alarm(interval);
128	banner:
129		if (banner)
130			wf->print_header(wf, stdout);
131		line = 0;
132	loop:
133		if (line != 0) {
134			wf->collect_cur(wf);
135			wf->print_current(wf, stdout);
136			wf->update_tot(wf);
137		} else {
138			wf->collect_tot(wf);
139			wf->print_total(wf, stdout);
140		}
141		fflush(stdout);
142		omask = sigblock(sigmask(SIGALRM));
143		if (!signalled)
144			sigpause(0);
145		sigsetmask(omask);
146		signalled = 0;
147		alarm(interval);
148		line++;
149		if (line == 21)		/* XXX tty line count */
150			goto banner;
151		else
152			goto loop;
153		/*NOTREACHED*/
154	} else {
155		wf->collect_tot(wf);
156		wf->print_verbose(wf, stdout);
157	}
158	return 0;
159}
160