usr.sbin/i4b/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 1.12 1999/12/13 21:25:26 hm Exp $
  31  *
  32  * $FreeBSD: src/usr.sbin/i4b/isdntelctl/main.c,v 1.8.2.2 2001/08/01 17:45:07 obrien Exp $
  33  * $DragonFly: src/usr.sbin/i4b/isdntelctl/main.c,v 1.3 2003/08/08 04:18:45 dillon Exp $
  34  *
  35  *      last edit-date: [Mon Dec 13 21:54:50 1999]
  36  *
  37  *---------------------------------------------------------------------------*/
  38
  39 #include <stdio.h>
  40 #include <signal.h>
  41 #include <errno.h>
  42 #include <paths.h>
  43 #include <string.h>
  44 #include <stdlib.h>
  45 #include <unistd.h>
  46 #include <fcntl.h>
  47 #include <ctype.h>
  48 #include <sys/stat.h>
  49 #include <sys/wait.h>
  50 #include <sys/ioctl.h>
  51 #include <sys/types.h>
  52 #include <sys/time.h>
  53
  54 #include <i4b_machine/i4b_ioctl.h>
  55 #include <i4b_machine/i4b_tel_ioctl.h>
  56
  57 static void usage ( void );
  58
  59 #define I4BTELDEVICE    "/dev/i4btel"
  60
  61 int opt_get = 0;
  62 int opt_unit = 0;
  63 int opt_U = 0;
  64 int opt_A = 0;
  65 int opt_C = 0;
  66 int opt_N = 0;
  67
  68 /*---------------------------------------------------------------------------*
  69  *      program entry
  70  *---------------------------------------------------------------------------*/
  71 int
  72 main(int argc, char **argv)
  73 {
  74         int c;
  75         int ret;
  76         int telfd;
  77         char namebuffer[128];
  78
  79         while ((c = getopt(argc, argv, "cgu:AUN")) != -1)
  80         {
  81                 switch(c)
  82                 {
  83                         case 'c':
  84                                 opt_C = 1;
  85                                 break;
  86
  87                         case 'g':
  88                                 opt_get = 1;
  89                                 break;
  90
  91                         case 'u':
  92                                 opt_unit = atoi(optarg);
  93                                 if(opt_unit < 0 || opt_unit > 9)
  94                                         usage();
  95                                 break;
  96
  97                         case 'A':
  98                                 opt_A = 1;
  99                                 break;
 100
 101                         case 'U':
 102                                 opt_U = 1;
 103                                 break;
 104
 105                         case 'N':
 106                                 opt_N = 1;
 107                                 break;
 108
 109                         case '?':
 110                         default:
 111                                 usage();
 112                                 break;
 113                 }
 114         }
 115
 116         if(opt_get == 0 && opt_N == 0 && opt_U == 0 && opt_A == 0 && opt_C == 0)
 117         {
 118                 opt_get = 1;
 119         }
 120
 121         if((opt_get + opt_N + opt_U + opt_A + opt_C) > 1)
 122         {
 123                 usage();
 124         }
 125
 126         sprintf(namebuffer,"%s%d", I4BTELDEVICE, opt_unit);
 127
 128         if((telfd = open(namebuffer, O_RDWR)) < 0)
 129         {
 130                 fprintf(stderr, "isdntelctl: cannot open %s: %s\n", namebuffer, strerror(errno));
 131                 exit(1);
 132         }
 133
 134         if(opt_get)
 135         {
 136                 int format;
 137
 138                 if((ret = ioctl(telfd, I4B_TEL_GETAUDIOFMT, &format)) < 0)
 139                 {
 140                         fprintf(stderr, "ioctl I4B_TEL_GETAUDIOFMT failed: %s", strerror(errno));
 141                         exit(1);
 142                 }
 143
 144                 if(format == CVT_NONE)
 145                 {
 146                         printf("device %s does not do A-law/u-law format conversion\n", namebuffer);
 147                 }
 148                 else if(format == CVT_ALAW2ULAW)
 149                 {
 150                         printf("device %s does ISDN: A-law -> user: u-law format conversion\n", namebuffer);
 151                 }
 152                 else if(format == CVT_ULAW2ALAW)
 153                 {
 154                         printf("device %s does ISDN: u-law -> user: A-law format conversion\n", namebuffer);
 155                 }
 156                 else
 157                 {
 158                         printf("ERROR, device %s uses unknown format %d!\n", namebuffer, format);
 159                 }
 160                 exit(0);
 161         }
 162
 163         if(opt_A)
 164         {
 165                 int format = CVT_ALAW2ULAW;
 166
 167                 if((ret = ioctl(telfd, I4B_TEL_SETAUDIOFMT, &format)) < 0)
 168                 {
 169                         fprintf(stderr, "ioctl I4B_TEL_SETAUDIOFMT failed: %s", strerror(errno));
 170                         exit(1);
 171                 }
 172                 exit(0);
 173         }
 174
 175         if(opt_U)
 176         {
 177                 int format = CVT_ULAW2ALAW;
 178
 179                 if((ret = ioctl(telfd, I4B_TEL_SETAUDIOFMT, &format)) < 0)
 180                 {
 181                         fprintf(stderr, "ioctl I4B_TEL_SETAUDIOFMT failed: %s", strerror(errno));
 182                         exit(1);
 183                 }
 184                 exit(0);
 185         }
 186         if(opt_N)
 187         {
 188                 int format = CVT_NONE;
 189
 190                 if((ret = ioctl(telfd, I4B_TEL_SETAUDIOFMT, &format)) < 0)
 191                 {
 192                         fprintf(stderr, "ioctl I4B_TEL_SETAUDIOFMT failed: %s", strerror(errno));
 193                         exit(1);
 194                 }
 195                 exit(0);
 196         }
 197         if(opt_C)
 198         {
 199                 int dummy;
 200                 if((ret = ioctl(telfd, I4B_TEL_EMPTYINPUTQUEUE, &dummy)) < 0)
 201                 {
 202                         fprintf(stderr, "ioctl I4B_TEL_EMPTYINPUTQUEUE failed: %s", strerror(errno));
 203                         exit(1);
 204                 }
 205                 exit(0);
 206         }
 207         return(0);
 208 }
 209
 210 /*---------------------------------------------------------------------------*
 211  *      usage display and exit
 212  *---------------------------------------------------------------------------*/
 213 static void
 214 usage(void)
 215 {
 216         fprintf(stderr, "\n");
 217         fprintf(stderr, "isdntelctl - %si4btel control, version %d.%d.%d (%s %s)\n", _PATH_DEV, VERSION, REL, STEP, __DATE__, __TIME__);
 218         fprintf(stderr, "usage: isdntelctl -c -g -u <unit> -A -N -U\n");
 219         fprintf(stderr, "       -c            clear input queue\n");
 220         fprintf(stderr, "       -g            get current settings\n");
 221         fprintf(stderr, "       -u unit       specify unit number\n");
 222         fprintf(stderr, "       -A            set conversion ISDN: A-law -> user: u-law\n");
 223         fprintf(stderr, "       -U            set conversion ISDN: u-law -> user: A-law\n");
 224         fprintf(stderr, "       -N            set conversion to no A-law/u-law conversion\n");
 225         fprintf(stderr, "\n");
 226         exit(1);
 227 }
 228
 229 /* EOF */