usr.sbin/isdn/isdntelctl/main.c

   1 /*
   2  * Copyright (c) 1997, 1999 Hellmuth Michaelis. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  * 1. Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  14  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  16  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  17  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  18  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  19  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  20  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  21  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  22  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  23  * SUCH DAMAGE.
  24  *
  25  *---------------------------------------------------------------------------
  26  *
  27  *      isdntelctl - i4b set telephone interface options
  28  *      ------------------------------------------------
  29  *
  30  *      $Id: main.c,v 1.6 2008/07/15 17:51:38 perry Exp $
  31  *
  32  * $FreeBSD$
  33  *
  34  *      last edit-date: [Sat Jan  6 13:05:22 2001]
  35  *
  36  *---------------------------------------------------------------------------*/
  37
  38 #include <stdio.h>
  39 #include <signal.h>
  40 #include <errno.h>
  41 #include <string.h>
  42 #include <stdlib.h>
  43 #include <unistd.h>
  44 #include <fcntl.h>
  45 #include <ctype.h>
  46 #include <sys/stat.h>
  47 #include <sys/wait.h>
  48 #include <sys/ioctl.h>
  49 #include <sys/types.h>
  50 #include <sys/time.h>
  51
  52 #include <netisdn/i4b_ioctl.h>
  53 #include <netisdn/i4b_tel_ioctl.h>
  54
  55 static void usage ( void );
  56
  57 #define I4BTELDEVICE    "/dev/isdntel"
  58
  59 int opt_get = 0;
  60 int opt_unit = 0;
  61 int opt_U = 0;
  62 int opt_A = 0;
  63 int opt_C = 0;
  64 int opt_N = 0;
  65
  66 /*---------------------------------------------------------------------------*
  67  *      program entry
  68  *---------------------------------------------------------------------------*/
  69 int
  70 main(int argc, char **argv)
  71 {
  72         int c;
  73         int ret;
  74         int telfd;
  75         char namebuffer[128];
  76
  77         while ((c = getopt(argc, argv, "cgu:AUN")) != -1)
  78         {
  79                 switch (c)
  80                 {
  81                 case 'c':
  82                         opt_C = 1;
  83                         break;
  84
  85                 case 'g':
  86                         opt_get = 1;
  87                         break;
  88
  89                 case 'u':
  90                         opt_unit = atoi(optarg);
  91                         if (opt_unit < 0 || opt_unit > 9)
  92                                 usage();
  93                         break;
  94
  95                 case 'A':
  96                         opt_A = 1;
  97                         break;
  98
  99                 case 'U':
 100                         opt_U = 1;
 101                         break;
 102
 103                 case 'N':
 104                         opt_N = 1;
 105                         break;
 106
 107                 case '?':
 108                 default:
 109                         usage();
 110                         break;
 111                 }
 112         }
 113
 114         if (opt_get == 0 && opt_N == 0 && opt_U == 0 && opt_A == 0 && opt_C == 0)
 115         {
 116                 opt_get = 1;
 117         }
 118
 119         if ((opt_get + opt_N + opt_U + opt_A + opt_C) > 1)
 120         {
 121                 usage();
 122         }
 123
 124         snprintf(namebuffer, sizeof(namebuffer), "%s%d", I4BTELDEVICE, opt_unit);
 125
 126         if ((telfd = open(namebuffer, O_RDWR)) < 0)
 127         {
 128                 fprintf(stderr, "isdntelctl: cannot open %s: %s\n", namebuffer, strerror(errno));
 129                 exit(1);
 130         }
 131
 132         if (opt_get)
 133         {
 134                 int format;
 135
 136                 if ((ret = ioctl(telfd, I4B_TEL_GETAUDIOFMT, &format)) < 0)
 137                 {
 138                         fprintf(stderr, "ioctl I4B_TEL_GETAUDIOFMT failed: %s", strerror(errno));
 139                         exit(1);
 140                 }
 141
 142                 if (format == CVT_NONE)
 143                 {
 144                         printf("device %s does not do A-law/mu-law format conversion\n", namebuffer);
 145                 }
 146                 else if (format == CVT_ALAW2ULAW)
 147                 {
 148                         printf("device %s does ISDN: A-law -> user: mu-law format conversion\n", namebuffer);
 149                 }
 150                 else if (format == CVT_ULAW2ALAW)
 151                 {
 152                         printf("device %s does ISDN: mu-law -> user: A-law format conversion\n", namebuffer);
 153                 }
 154                 else
 155                 {
 156                         printf("ERROR, device %s uses unknown format %d!\n", namebuffer, format);
 157                 }
 158                 exit(0);
 159         }
 160
 161         if (opt_A)
 162         {
 163                 int format = CVT_ALAW2ULAW;
 164
 165                 if ((ret = ioctl(telfd, I4B_TEL_SETAUDIOFMT, &format)) < 0)
 166                 {
 167                         fprintf(stderr, "ioctl I4B_TEL_SETAUDIOFMT failed: %s", strerror(errno));
 168                         exit(1);
 169                 }
 170                 exit(0);
 171         }
 172
 173         if (opt_U)
 174         {
 175                 int format = CVT_ULAW2ALAW;
 176
 177                 if ((ret = ioctl(telfd, I4B_TEL_SETAUDIOFMT, &format)) < 0)
 178                 {
 179                         fprintf(stderr, "ioctl I4B_TEL_SETAUDIOFMT failed: %s", strerror(errno));
 180                         exit(1);
 181                 }
 182                 exit(0);
 183         }
 184         if (opt_N)
 185         {
 186                 int format = CVT_NONE;
 187
 188                 if ((ret = ioctl(telfd, I4B_TEL_SETAUDIOFMT, &format)) < 0)
 189                 {
 190                         fprintf(stderr, "ioctl I4B_TEL_SETAUDIOFMT failed: %s", strerror(errno));
 191                         exit(1);
 192                 }
 193                 exit(0);
 194         }
 195         if (opt_C)
 196         {
 197                 int dummy;
 198                 if ((ret = ioctl(telfd, I4B_TEL_EMPTYINPUTQUEUE, &dummy)) < 0)
 199                 {
 200                         fprintf(stderr, "ioctl I4B_TEL_EMPTYINPUTQUEUE failed: %s", strerror(errno));
 201                         exit(1);
 202                 }
 203                 exit(0);
 204         }
 205         return(0);
 206 }
 207
 208 /*---------------------------------------------------------------------------*
 209  *      usage display and exit
 210  *---------------------------------------------------------------------------*/
 211 static void
 212 usage(void)
 213 {
 214         fprintf(stderr, "\n");
 215         fprintf(stderr, "isdntelctl - /dev/isdntel control, version %d.%d.%d\n",VERSION, REL, STEP);
 216         fprintf(stderr, "usage: isdntelctl -c -g -u <unit> -A -N -U\n");
 217         fprintf(stderr, "       -c            clear input queue\n");
 218         fprintf(stderr, "       -g            get current settings\n");
 219         fprintf(stderr, "       -u unit       specify unit number\n");
 220         fprintf(stderr, "       -A            set conversion ISDN: A-law -> user: mu-law\n");
 221         fprintf(stderr, "       -U            set conversion ISDN: mu-law -> user: A-law\n");
 222         fprintf(stderr, "       -N            set conversion to no A-law/mu-law conversion\n");
 223         fprintf(stderr, "\n");
 224         exit(1);
 225 }
 226
 227 /* EOF */