xref: /freebsd/tools/tools/mwl/mwlstats/main.c (revision 0957b409)
1 /*-
2  * Copyright (c) 2006 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, MERCHANTIBILITY
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  * $FreeBSD$
30  */
31 
32 /*
33  * Simple Marvell-specific tool to inspect and monitor network traffic
34  * statistics.
35  *
36  *	mwlstats [-i interface] [-l] [-o fmtstring] [interval]
37  *
38  * (default interface is mv0).  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 <stdlib.h>
45 #include <stdio.h>
46 #include <signal.h>
47 #include <unistd.h>
48 #include <err.h>
49 
50 #include "mwlstats.h"
51 
52 #define	S_DEFAULT \
53 	"input,output,txtry,txretry,txmretry,txdoneput,rxfcs,rxcrypt,rxicv,rssi,rate"
54 
55 static int signalled;
56 
57 static void
58 catchalarm(int signo __unused)
59 {
60 	signalled = 1;
61 }
62 
63 int
64 main(int argc, char *argv[])
65 {
66 	struct mwlstatfoo *wf;
67 	int c;
68 
69 	wf = mwlstats_new("mwl0", S_DEFAULT);
70 	while ((c = getopt(argc, argv, "i:lo:")) != -1) {
71 		switch (c) {
72 		case 'i':
73 			wf->setifname(wf, optarg);
74 			break;
75 		case 'l':
76 			wf->print_fields(wf, stdout);
77 			return 0;
78 		case 'o':
79 			wf->setfmt(wf, optarg);
80 			break;
81 		default:
82 			errx(-1, "usage: %s [-a] [-i ifname] [-l] [-o fmt] [interval]\n", argv[0]);
83 			/*NOTREACHED*/
84 		}
85 	}
86 	argc -= optind;
87 	argv += optind;
88 
89 	if (argc > 0) {
90 		u_long interval = strtoul(argv[0], NULL, 0);
91 		int line, omask;
92 
93 		if (interval < 1)
94 			interval = 1;
95 		signal(SIGALRM, catchalarm);
96 		signalled = 0;
97 		alarm(interval);
98 	banner:
99 		wf->print_header(wf, stdout);
100 		line = 0;
101 	loop:
102 		if (line != 0) {
103 			wf->collect_cur(wf);
104 			wf->print_current(wf, stdout);
105 			wf->update_tot(wf);
106 		} else {
107 			wf->collect_tot(wf);
108 			wf->print_total(wf, stdout);
109 		}
110 		fflush(stdout);
111 		omask = sigblock(sigmask(SIGALRM));
112 		if (!signalled)
113 			sigpause(0);
114 		sigsetmask(omask);
115 		signalled = 0;
116 		alarm(interval);
117 		line++;
118 		if (line == 21)		/* XXX tty line count */
119 			goto banner;
120 		else
121 			goto loop;
122 		/*NOTREACHED*/
123 	} else {
124 		wf->collect_tot(wf);
125 		wf->print_verbose(wf, stdout);
126 	}
127 	return 0;
128 }
129