usr.bin/systat/ifcmds.c

   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: src/usr.bin/systat/ifcmds.c,v 1.1 2003/01/04 22:07:24 phk Exp $
  29  * $DragonFly: src/usr.bin/systat/ifcmds.c,v 1.1 2003/11/08 09:30:32 asmodai Exp $
  30  */
  31
  32 #include <sys/types.h>
  33 #include <sys/socket.h>
  34 #include <sys/sysctl.h>
  35 #include <sys/time.h>
  36 #include <sys/queue.h>
  37 #include <net/if.h>
  38 #include <net/if_mib.h>
  39 #include <net/if_types.h>       /* For IFT_ETHER */
  40
  41 #include <stdio.h>
  42 #include <stdlib.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
  52 int     curscale = SC_AUTO;
  53
  54 static  int selectscale(const char *);
  55
  56 int
  57 ifcmd(const char *cmd, const char *args)
  58 {
  59         if (prefix((char *)cmd, (char *)"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
  72 static int
  73 selectscale(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 }