xref: /freebsd/usr.bin/systat/ifcmds.c (revision 4b2eaea43fec8e8792be611dea204071a10b655a)
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  * $FreeBSD$
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 <unistd.h>
43 #include <float.h>
44 #include <err.h>
45 
46 #include "systat.h"
47 #include "extern.h"
48 #include "mode.h"
49 #include "convtbl.h"
50 
51 int	curscale = SC_AUTO;
52 
53 static	int selectscale(const char *);
54 
55 int
56 ifcmd(const char *cmd, const char *args)
57 {
58 	if (prefix((char *)cmd, (char *)"scale")) {
59 		if (*args != '\0' && selectscale(args) != -1)
60 			;
61 		else {
62 			move(CMDLINE, 0);
63 			clrtoeol();
64 			addstr("what scale? kbit, kbyte, mbit, mbyte, " \
65 			       "gbit, gbyte, auto");
66 		}
67 	}
68 	return 1;
69 }
70 
71 static int
72 selectscale(const char *args)
73 {
74 	int	retval = 0;
75 
76 #define streq(a,b)	(strcmp(a,b) == 0)
77 	if (streq(args, "default") || streq(args, "auto"))
78 		curscale = SC_AUTO;
79 	else if (streq(args, "kbit"))
80 		curscale = SC_KILOBIT;
81 	else if (streq(args, "kbyte"))
82 		curscale = SC_KILOBYTE;
83 	else if (streq(args, "mbit"))
84 		curscale = SC_MEGABIT;
85 	else if (streq(args, "mbyte"))
86 		curscale = SC_MEGABYTE;
87 	else if (streq(args, "gbit"))
88 		curscale = SC_GIGABIT;
89 	else if (streq(args, "gbyte"))
90 		curscale = SC_GIGABYTE;
91 	else
92 		retval = -1;
93 
94 	return retval;
95 }
96