1 /*-
2 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer,
10 * without modification.
11 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
12 * similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
13 * redistribution must be conditioned upon including a substantially
14 * similar Disclaimer requirement for further binary redistribution.
15 *
16 * NO WARRANTY
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19 * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTABILITY
20 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
21 * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
22 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
25 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
27 * THE POSSIBILITY OF SUCH DAMAGES.
28 *
29 * $FreeBSD: src/tools/tools/ath/athstats/main.c,v 1.8 2009/03/02 05:07:05 sam Exp $
30 */
31
32 /*
33 * Simple Atheros-specific tool to inspect and monitor network traffic
34 * statistics.
35 *
36 * athstats [-i interface] [-bz] [-l] [-o fmtstring] [interval]
37 *
38 * (default interface is ath0). If interval is specified a rolling output
39 * a la netstat -i is displayed every interval seconds. The format of
40 * the rolling display can be controlled a la ps. The -l option will
41 * print a list of all possible statistics for use with the -o option.
42 */
43
44 #include <stdio.h>
45 #include <stdlib.h>
46 #include <signal.h>
47 #include <unistd.h>
48 #include <err.h>
49
50 #include "athstats.h"
51
52 static struct {
53 const char *tag;
54 const char *fmt;
55 } tags[] = {
56 { "default",
57 "input,output,altrate,short,long,xretry,crcerr,crypt,phyerr,rssi,rate"
58 },
59 { "ani",
60 "avgbrssi,avgrssi,avgtxrssi,NI,SI,step,owsd,cwst,NI+,NI-,SI+,SI-,OFDM,CCK,LISTEN"
61 },
62 { "tdma",
63 "input,output,bexmit,tdmau,tdmadj,crcerr,phyerr,phytor,rssi,noise,rate"
64 },
65 };
66
67 static const char *
getfmt(const char * tag)68 getfmt(const char *tag)
69 {
70 #define N(a) (sizeof(a)/sizeof(a[0]))
71 int i;
72 for (i = 0; i < N(tags); i++)
73 if (strcasecmp(tags[i].tag, tag) == 0)
74 return tags[i].fmt;
75 return tag;
76 #undef N
77 }
78
79 static int signalled;
80
81 static void
catchalarm(int signo __unused)82 catchalarm(int signo __unused)
83 {
84 signalled = 1;
85 }
86
87 int
main(int argc,char * argv[])88 main(int argc, char *argv[])
89 {
90 struct athstatfoo *wf;
91 const char *ifname;
92 int c, banner = 1;
93
94 ifname = getenv("ATH");
95 if (ifname == NULL)
96 ifname = "ath0";
97 wf = athstats_new(ifname, getfmt("default"));
98 while ((c = getopt(argc, argv, "bi:lo:z")) != -1) {
99 switch (c) {
100 case 'b':
101 banner = 0;
102 break;
103 case 'i':
104 wf->setifname(wf, optarg);
105 break;
106 case 'l':
107 wf->print_fields(wf, stdout);
108 return 0;
109 case 'o':
110 wf->setfmt(wf, getfmt(optarg));
111 break;
112 case 'z':
113 wf->zerostats(wf);
114 break;
115 default:
116 errx(-1, "usage: %s [-a] [-i ifname] [-l] [-o fmt] [-z] [interval]\n", argv[0]);
117 /*NOTREACHED*/
118 }
119 }
120 argc -= optind;
121 argv += optind;
122
123 if (argc > 0) {
124 u_long interval = strtoul(argv[0], NULL, 0);
125 int line, omask;
126
127 if (interval < 1)
128 interval = 1;
129 signal(SIGALRM, catchalarm);
130 signalled = 0;
131 alarm(interval);
132 banner:
133 if (banner)
134 wf->print_header(wf, stdout);
135 line = 0;
136 loop:
137 if (line != 0) {
138 wf->collect_cur(wf);
139 wf->print_current(wf, stdout);
140 wf->update_tot(wf);
141 } else {
142 wf->collect_tot(wf);
143 wf->print_total(wf, stdout);
144 }
145 fflush(stdout);
146 omask = sigblock(sigmask(SIGALRM));
147 if (!signalled)
148 sigpause(0);
149 sigsetmask(omask);
150 signalled = 0;
151 alarm(interval);
152 line++;
153 if (line == 21) /* XXX tty line count */
154 goto banner;
155 else
156 goto loop;
157 /*NOTREACHED*/
158 } else {
159 wf->collect_tot(wf);
160 wf->print_verbose(wf, stdout);
161 }
162 return 0;
163 }
164