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

   1 /* -*-c-*-
   2  *
   3  * $Id: main.c,v 1.3 2002/02/02 19:21:53 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 /*----- Header files ------------------------------------------------------*/
  30
  31 #ifdef HAVE_CONFIG_H
  32 #  include "config.h"
  33 #endif
  34
  35 #include <signal.h>
  36 #include <stdio.h>
  37 #include <stdlib.h>
  38 #include <string.h>
  39 #include <time.h>
  40
  41 #include <sys/time.h>
  42 #include <unistd.h>
  43
  44 #include <mLib/alloc.h>
  45 #include <mLib/mdwopt.h>
  46 #include <mLib/quis.h>
  47 #include <mLib/report.h>
  48 #include <mLib/trace.h>
  49
  50 #include "au.h"
  51 #include "err.h"
  52 #include "jog.h"
  53 #include "rxglue.h"
  54 #include "txport.h"
  55 #include "tx-serial-unix.h"
  56
  57 /*----- Shutdown stuff ----------------------------------------------------*/
  58
  59 static int sigtab[] = { SIGINT, SIGQUIT, SIGTERM, SIGHUP, -1 };
  60
  61 static void tidy(void)
  62 {
  63   txsu_shutdown();
  64   au_shutdown();
  65 }
  66
  67 static void sigtidy(int sig)
  68 {
  69   tidy();
  70   signal(sig, SIG_DFL);
  71   raise(sig);
  72 }
  73
  74 /*----- Help functions ----------------------------------------------------*/
  75
  76 static void usage(FILE *fp)
  77 {
  78   pquis(fp, "\
  79 Usage: $ [-t TRANSPORT] [-f FILE] [-c CONFIG] [-a AUDIR] [-x SIZE]\n\
  80         SCRIPT ARG...\n\
  81 ");
  82 }
  83
  84 static void version(FILE *fp)
  85 {
  86   pquis(fp, "$, version " VERSION "\n");
  87 }
  88
  89 static void help(FILE *fp)
  90 {
  91   version(fp);
  92   fputc('\n', fp);
  93   usage(fp);
  94   fputs("\n\
  95 Options provided:\n\
  96 \n\
  97 -h, --help              Print this help message.\n\
  98 -v, --version           Show the version number.\n\
  99 -u, --usage             Show terse usage summary.\n\
 100 \n\
 101 -t, --transport=NAME    Use transport type NAME.\n\
 102 -f, --tx-file=FILE      Communicate using the named FILE.\n\
 103 -c, --tx-config=CONFIG  Use CONFIG as transport configuration.\n\
 104 \n\
 105 -a, --audio=DIR         Set directory containing audio samples.\n\
 106 -x, --cache-max=SIZE    Maximum size for audio sample cache.\n\
 107 ",
 108         fp);
 109 }
 110
 111 /*----- Main code ---------------------------------------------------------*/
 112
 113 int main(int argc, char *argv[])
 114 {
 115   unsigned f = 0;
 116   int rc = 0;
 117   int i;
 118   const char *audir = 0;
 119   size_t aumax = AU_CACHEMAX;
 120
 121 #define f_bogus 1u
 122
 123   ego(argv[0]);
 124   atexit(tidy);
 125   for (i = 0; sigtab[i] >= 0; i++)
 126     signal(sigtab[i], sigtidy);
 127
 128   err_init();
 129   rx_init();
 130   T( trace_on(stderr, 0u); )
 131   if ((txname = getenv("JOGTX")) != 0)
 132     ;
 133   else
 134     txname = txlist->name;
 135
 136   for (;;) {
 137     static const struct option opt[] = {
 138
 139       /* --- Standard help options --- */
 140
 141       { "help",         0,              0,      'h' },
 142       { "version",      0,              0,      'v' },
 143       { "usage",        0,              0,      'u' },
 144
 145       /* --- Transport configuration stuff --- */
 146
 147       { "transport",    OPTF_ARGREQ,    0,      't' },
 148       { "transport-config",
 149                         OPTF_ARGREQ,    0,      'c' },
 150       { "tx-config",    OPTF_ARGREQ,    0,      'c' },
 151       { "txconfig",     OPTF_ARGREQ,    0,      'c' },
 152       { "config",       OPTF_ARGREQ,    0,      'c' },
 153       { "transport-file",
 154                         OPTF_ARGREQ,    0,      'f' },
 155       { "tx-file",      OPTF_ARGREQ,    0,      'f' },
 156       { "txfile",       OPTF_ARGREQ,    0,      'f' },
 157       { "file",         OPTF_ARGREQ,    0,      'f' },
 158
 159       /* --- Audio configuration stuff --- */
 160
 161       { "audio-directory",
 162                         OPTF_ARGREQ,    0,      'a' },
 163       { "audio-cache-max",
 164                         OPTF_ARGREQ,    0,      'x' },
 165       { "cache-max",
 166                         OPTF_ARGREQ,    0,      'x' },
 167
 168       /* --- Debugging stuff --- */
 169
 170 #ifndef NTRACE
 171       { "trace",        OPTF_ARGREQ,    0,      'T' },
 172 #endif
 173
 174       /* --- End marker --- */
 175
 176       { 0,              0,              0,      0 }
 177     };
 178
 179 #ifndef NTRACE
 180     static const trace_opt tropt[] = {
 181       { 'x',    T_TX,           "transport layer" },
 182       { 's',    T_TXSYS,        "low-level transport" },
 183       { 'a',    T_AU,           "audio subsystem" },
 184       { 'y',    T_AUSYS,        "system-specific audio" },
 185       { 'A',    T_ALL,          "all of the above" },
 186       { 0,      0,              0 }
 187     };
 188 #endif
 189
 190     i = mdwopt(argc, argv, "hvu" "t:c:f:" "a:x:" T("T:"), opt, 0, 0, 0);
 191     if (i < 0)
 192       break;
 193
 194     switch (i) {
 195
 196       /* --- Standard help options --- */
 197
 198       case 'h':
 199         help(stdout);
 200         exit(0);
 201       case 'v':
 202         version(stdout);
 203         exit(0);
 204       case 'u':
 205         usage(stdout);
 206         exit(0);
 207
 208       /* --- Transport configuration stuff --- */
 209
 210       case 't':
 211         txname = optarg;
 212         break;
 213       case 'c':
 214         txconf = optarg;
 215         break;
 216       case 'f':
 217         txfile = optarg;
 218         break;
 219
 220       /* --- Audio configuration stuff --- */
 221
 222       case 'a':
 223         audir = optarg;
 224         break;
 225       case 'x':
 226         aumax = strtoul(optarg, 0, 0);
 227         break;
 228
 229       /* --- Tracing --- */
 230
 231 #ifndef NTRACE
 232       case 'T':
 233         trace_level(traceopt(tropt, optarg, tracing(), 0));
 234         break;
 235 #endif
 236
 237       /* --- Errors --- */
 238
 239       default:
 240         f |= f_bogus;
 241         break;
 242     }
 243   }
 244
 245   if ((f & f_bogus) || optind > argc - 1) {
 246     usage(stderr);
 247     exit(EXIT_FAILURE);
 248   }
 249
 250   au_init(audir, aumax);
 251   rc = rx_runfile(argv[optind],
 252                   argc - optind - 1, (const char *const *)argv + optind + 1);
 253   return (rc ? EXIT_FAILURE : 0);
 254 }
 255
 256 /*----- That's all, folks -------------------------------------------------*/