mdw@git.distorted.org.uk Git - jog/blob - main.c

   1 /* -*-c-*-
   2  *
   3  * $Id: main.c,v 1.1 2002/01/25 19:34:45 mdw Exp $
   4  *
   5  * Main program
   6  *
   7  * (c) 2001 Mark Wooding
   8  */
   9
  10 /*----- Licensing notice --------------------------------------------------*
  11  *
  12  * This file is part of Jog: Programming for a jogging machine.
  13  *
  14  * Jog is free software; you can redistribute it and/or modify
  15  * it under the terms of the GNU General Public License as published by
  16  * the Free Software Foundation; either version 2 of the License, or
  17  * (at your option) any later version.
  18  *
  19  * Jog is distributed in the hope that it will be useful,
  20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22  * GNU General Public License for more details.
  23  *
  24  * You should have received a copy of the GNU General Public License
  25  * along with Jog; if not, write to the Free Software Foundation,
  26  * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  27  */
  28
  29 /*----- Revision history --------------------------------------------------*
  30  *
  31  * $Log: main.c,v $
  32  * Revision 1.1  2002/01/25 19:34:45  mdw
  33  * Initial revision
  34  *
  35  */
  36
  37 /*----- Header files ------------------------------------------------------*/
  38
  39 #include <signal.h>
  40 #include <stdio.h>
  41 #include <stdlib.h>
  42 #include <string.h>
  43 #include <time.h>
  44
  45 #include <sys/time.h>
  46 #include <unistd.h>
  47
  48 #include <mLib/alloc.h>
  49 #include <mLib/mdwopt.h>
  50 #include <mLib/quis.h>
  51 #include <mLib/report.h>
  52 #include <mLib/trace.h>
  53
  54 #include "err.h"
  55 #include "rxglue.h"
  56 #include "txport.h"
  57 #include "tx-serial-unix.h"
  58
  59 /*----- Shutdown stuff ----------------------------------------------------*/
  60
  61 static int sigtab[] = { SIGINT, SIGQUIT, SIGTERM, SIGHUP, -1 };
  62
  63 static void tidy(void)
  64 {
  65   txsu_shutdown();
  66 }
  67
  68 static void sigtidy(int sig)
  69 {
  70   tidy();
  71   signal(sig, SIG_DFL);
  72   raise(sig);
  73 }
  74
  75 /*----- Help functions ----------------------------------------------------*/
  76
  77 static void usage(FILE *fp)
  78 {
  79   pquis(fp, "Usage: $ [-t TRANSPORT] [-f FILE] [-c CONFIG] SCRIPT [ARG]\n");
  80 }
  81
  82 static void version(FILE *fp)
  83 {
  84   pquis(fp, "$, version " VERSION "\n");
  85 }
  86
  87 static void help(FILE *fp)
  88 {
  89   version(fp);
  90   fputc('\n', fp);
  91   usage(fp);
  92   fputs("\n\
  93 Options provided:\n\
  94 \n\
  95 -h, --help              Print this help message.\n\
  96 -v, --version           Show the version number.\n\
  97 -u, --usage             Show terse usage summary.\n\
  98 \n\
  99 -t, --transport=NAME    Use transport type NAME.\n\
 100 -f, --tx-file=FILE      Communicate using the named FILE.\n\
 101 -c, --tx-config=CONFIG  Use CONFIG as transport configuration.\n\
 102 ",
 103         fp);
 104 }
 105
 106 /*----- Main code ---------------------------------------------------------*/
 107
 108 int main(int argc, char *argv[])
 109 {
 110   unsigned f = 0;
 111   int rc = 0;
 112   int i;
 113
 114 #define f_bogus 1u
 115
 116   ego(argv[0]);
 117   atexit(tidy);
 118   for (i = 0; sigtab[i] >= 0; i++)
 119     signal(sigtab[i], sigtidy);
 120
 121   err_init();
 122   rx_init();
 123   trace_on(stderr, 0u);
 124   if ((txname = getenv("JOGTX")) != 0)
 125     ;
 126   else
 127     txname = txlist->name;
 128
 129   for (;;) {
 130     static const struct option opt[] = {
 131
 132       /* --- Standard help options --- */
 133
 134       { "help",         0,              0,      'h' },
 135       { "version",      0,              0,      'v' },
 136       { "usage",        0,              0,      'u' },
 137
 138       /* --- Transport configuration stuff --- */
 139
 140       { "transport",    OPTF_ARGREQ,    0,      't' },
 141       { "transport-config",
 142                         OPTF_ARGREQ,    0,      'c' },
 143       { "tx-config",    OPTF_ARGREQ,    0,      'c' },
 144       { "txconfig",     OPTF_ARGREQ,    0,      'c' },
 145       { "config",       OPTF_ARGREQ,    0,      'c' },
 146       { "transport-file",
 147                         OPTF_ARGREQ,    0,      'f' },
 148       { "tx-file",      OPTF_ARGREQ,    0,      'f' },
 149       { "txfile",       OPTF_ARGREQ,    0,      'f' },
 150       { "file",         OPTF_ARGREQ,    0,      'f' },
 151
 152       /* --- End marker --- */
 153
 154       { 0,              0,              0,      0 }
 155     };
 156
 157     i = mdwopt(argc, argv, "hvut:c:f:", opt, 0, 0, 0);
 158     if (i < 0)
 159       break;
 160
 161     switch (i) {
 162
 163       /* --- Standard help options --- */
 164
 165       case 'h':
 166         help(stdout);
 167         exit(0);
 168       case 'v':
 169         version(stdout);
 170         exit(0);
 171       case 'u':
 172         usage(stdout);
 173         exit(0);
 174
 175       /* --- Transport configuration stuff --- */
 176
 177       case 't':
 178         txname = optarg;
 179         break;
 180       case 'c':
 181         txconf = optarg;
 182         break;
 183       case 'f':
 184         txfile = optarg;
 185         break;
 186
 187       /* --- Errors --- */
 188
 189       default:
 190         f |= f_bogus;
 191         break;
 192     }
 193   }
 194
 195   if ((f & f_bogus) || (optind != argc - 1 && optind != argc - 2)) {
 196     usage(stderr);
 197     exit(EXIT_FAILURE);
 198   }
 199
 200   rc = rx_runfile(argv[optind],
 201                   argc - optind - 1, (const char *const *)argv + optind + 1);
 202   return (rc ? EXIT_FAILURE : 0);
 203 }
 204
 205 /*----- That's all, folks -------------------------------------------------*/