ifcmds.c revision 126775 
1/*
2 * Copyright (c) 2003, Trent Nelson, <trent@arpa.com>.
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 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 3. The name of the author may not be used to endorse or promote products
14 *    derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 * $FreeBSD: head/usr.bin/systat/ifcmds.c 126775 2004-03-09 11:57:28Z dwmalone $
29 */
30
31#include <sys/types.h>
32#include <sys/socket.h>
33#include <sys/sysctl.h>
34#include <sys/time.h>
35#include <sys/queue.h>
36#include <net/if.h>
37#include <net/if_mib.h>
38#include <net/if_types.h>	/* For IFT_ETHER */
39
40#include <stdio.h>
41#include <stdlib.h>
42#include <string.h>
43#include <unistd.h>
44#include <float.h>
45#include <err.h>
46
47#include "systat.h"
48#include "extern.h"
49#include "mode.h"
50#include "convtbl.h"
51
52int	curscale = SC_AUTO;
53
54static	int selectscale(const char *);
55
56int
57ifcmd(const char *cmd, const char *args)
58{
59	if (prefix(cmd, "scale")) {
60		if (*args != '\0' && selectscale(args) != -1)
61			;
62		else {
63			move(CMDLINE, 0);
64			clrtoeol();
65			addstr("what scale? kbit, kbyte, mbit, mbyte, " \
66			       "gbit, gbyte, auto");
67		}
68	}
69	return 1;
70}
71
72static int
73selectscale(const char *args)
74{
75	int	retval = 0;
76
77#define streq(a,b)	(strcmp(a,b) == 0)
78	if (streq(args, "default") || streq(args, "auto"))
79		curscale = SC_AUTO;
80	else if (streq(args, "kbit"))
81		curscale = SC_KILOBIT;
82	else if (streq(args, "kbyte"))
83		curscale = SC_KILOBYTE;
84	else if (streq(args, "mbit"))
85		curscale = SC_MEGABIT;
86	else if (streq(args, "mbyte"))
87		curscale = SC_MEGABYTE;
88	else if (streq(args, "gbit"))
89		curscale = SC_GIGABIT;
90	else if (streq(args, "gbyte"))
91		curscale = SC_GIGABYTE;
92	else
93		retval = -1;
94
95	return retval;
96}
97