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 1.2 2008/11/10 04:59:45 swildner 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 <string.h>
  44 #include <unistd.h>
  45 #include <float.h>
  46 #include <err.h>
  47
  48 #include "systat.h"
  49 #include "extern.h"
  50 #include "mode.h"
  51 #include "convtbl.h"
  52
  53 int     curscale = SC_AUTO;
  54
  55 static  int selectscale(const char *);
  56
  57 int
  58 ifcmd(const char *cmd, const char *args)
  59 {
  60         if (prefix(cmd, "scale")) {
  61                 if (*args != '\0' && selectscale(args) != -1)
  62                         ;
  63                 else {
  64                         move(CMDLINE, 0);
  65                         clrtoeol();
  66                         addstr("what scale? kbit, kbyte, mbit, mbyte, " \
  67                                "gbit, gbyte, auto");
  68                 }
  69         }
  70         return 1;
  71 }
  72
  73 static int
  74 selectscale(const char *args)
  75 {
  76         int     retval = 0;
  77
  78 #define streq(a,b)      (strcmp(a,b) == 0)
  79         if (streq(args, "default") || streq(args, "auto"))
  80                 curscale = SC_AUTO;
  81         else if (streq(args, "kbit"))
  82                 curscale = SC_KILOBIT;
  83         else if (streq(args, "kbyte"))
  84                 curscale = SC_KILOBYTE;
  85         else if (streq(args, "mbit"))
  86                 curscale = SC_MEGABIT;
  87         else if (streq(args, "mbyte"))
  88                 curscale = SC_MEGABYTE;
  89         else if (streq(args, "gbit"))
  90                 curscale = SC_GIGABIT;
  91         else if (streq(args, "gbyte"))
  92                 curscale = SC_GIGABYTE;
  93         else
  94                 retval = -1;
  95
  96         return retval;
  97 }