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 /*----- Revision history --------------------------------------------------*
  30  *
  31  * $Log: main.c,v $
  32  * Revision 1.3  2002/02/02 19:21:53  mdw
  33  * New audio subsystem.
  34  *
  35  * Revision 1.2  2002/01/30 09:27:55  mdw
  36  * Parse tracing options on the command-line.
  37  *
  38  * Revision 1.1  2002/01/25 19:34:45  mdw
  39  * Initial revision
  40  *
  41  */
  42
  43 /*----- Header files ------------------------------------------------------*/
  44
  45 #ifdef HAVE_CONFIG_H
  46 #  include "config.h"
  47 #endif
  48
  49 #include <signal.h>
  50 #include <stdio.h>
  51 #include <stdlib.h>
  52 #include <string.h>
  53 #include <time.h>
  54
  55 #include <sys/time.h>
  56 #include <unistd.h>
  57
  58 #include <mLib/alloc.h>
  59 #include <mLib/mdwopt.h>
  60 #include <mLib/quis.h>
  61 #include <mLib/report.h>
  62 #include <mLib/trace.h>
  63
  64 #include "au.h"
  65 #include "err.h"
  66 #include "jog.h"
  67 #include "rxglue.h"
  68 #include "txport.h"
  69 #include "tx-serial-unix.h"
  70
  71 /*----- Shutdown stuff ----------------------------------------------------*/
  72
  73 static int sigtab[] = { SIGINT, SIGQUIT, SIGTERM, SIGHUP, -1 };
  74
  75 static void tidy(void)
  76 {
  77   txsu_shutdown();
  78   au_shutdown();
  79 }
  80
  81 static void sigtidy(int sig)
  82 {
  83   tidy();
  84   signal(sig, SIG_DFL);
  85   raise(sig);
  86 }
  87
  88 /*----- Help functions ----------------------------------------------------*/
  89
  90 static void usage(FILE *fp)
  91 {
  92   pquis(fp, "\
  93 Usage: $ [-t TRANSPORT] [-f FILE] [-c CONFIG] [-a AUDIR] [-x SIZE]\n\
  94         SCRIPT ARG...\n\
  95 ");
  96 }
  97
  98 static void version(FILE *fp)
  99 {
 100   pquis(fp, "$, version " VERSION "\n");
 101 }
 102
 103 static void help(FILE *fp)
 104 {
 105   version(fp);
 106   fputc('\n', fp);
 107   usage(fp);
 108   fputs("\n\
 109 Options provided:\n\
 110 \n\
 111 -h, --help              Print this help message.\n\
 112 -v, --version           Show the version number.\n\
 113 -u, --usage             Show terse usage summary.\n\
 114 \n\
 115 -t, --transport=NAME    Use transport type NAME.\n\
 116 -f, --tx-file=FILE      Communicate using the named FILE.\n\
 117 -c, --tx-config=CONFIG  Use CONFIG as transport configuration.\n\
 118 \n\
 119 -a, --audio=DIR         Set directory containing audio samples.\n\
 120 -x, --cache-max=SIZE    Maximum size for audio sample cache.\n\
 121 ",
 122         fp);
 123 }
 124
 125 /*----- Main code ---------------------------------------------------------*/
 126
 127 int main(int argc, char *argv[])
 128 {
 129   unsigned f = 0;
 130   int rc = 0;
 131   int i;
 132   const char *audir = 0;
 133   size_t aumax = AU_CACHEMAX;
 134
 135 #define f_bogus 1u
 136
 137   ego(argv[0]);
 138   atexit(tidy);
 139   for (i = 0; sigtab[i] >= 0; i++)
 140     signal(sigtab[i], sigtidy);
 141
 142   err_init();
 143   rx_init();
 144   T( trace_on(stderr, 0u); )
 145   if ((txname = getenv("JOGTX")) != 0)
 146     ;
 147   else
 148     txname = txlist->name;
 149
 150   for (;;) {
 151     static const struct option opt[] = {
 152
 153       /* --- Standard help options --- */
 154
 155       { "help",         0,              0,      'h' },
 156       { "version",      0,              0,      'v' },
 157       { "usage",        0,              0,      'u' },
 158
 159       /* --- Transport configuration stuff --- */
 160
 161       { "transport",    OPTF_ARGREQ,    0,      't' },
 162       { "transport-config",
 163                         OPTF_ARGREQ,    0,      'c' },
 164       { "tx-config",    OPTF_ARGREQ,    0,      'c' },
 165       { "txconfig",     OPTF_ARGREQ,    0,      'c' },
 166       { "config",       OPTF_ARGREQ,    0,      'c' },
 167       { "transport-file",
 168                         OPTF_ARGREQ,    0,      'f' },
 169       { "tx-file",      OPTF_ARGREQ,    0,      'f' },
 170       { "txfile",       OPTF_ARGREQ,    0,      'f' },
 171       { "file",         OPTF_ARGREQ,    0,      'f' },
 172
 173       /* --- Audio configuration stuff --- */
 174
 175       { "audio-directory",
 176                         OPTF_ARGREQ,    0,      'a' },
 177       { "audio-cache-max",
 178                         OPTF_ARGREQ,    0,      'x' },
 179       { "cache-max",
 180                         OPTF_ARGREQ,    0,      'x' },
 181
 182       /* --- Debugging stuff --- */
 183
 184 #ifndef NTRACE
 185       { "trace",        OPTF_ARGREQ,    0,      'T' },
 186 #endif
 187
 188       /* --- End marker --- */
 189
 190       { 0,              0,              0,      0 }
 191     };
 192
 193 #ifndef NTRACE
 194     static const trace_opt tropt[] = {
 195       { 'x',    T_TX,           "transport layer" },
 196       { 's',    T_TXSYS,        "low-level transport" },
 197       { 'a',    T_AU,           "audio subsystem" },
 198       { 'y',    T_AUSYS,        "system-specific audio" },
 199       { 'A',    T_ALL,          "all of the above" },
 200       { 0,      0,              0 }
 201     };
 202 #endif
 203
 204     i = mdwopt(argc, argv, "hvu" "t:c:f:" "a:x:" T("T:"), opt, 0, 0, 0);
 205     if (i < 0)
 206       break;
 207
 208     switch (i) {
 209
 210       /* --- Standard help options --- */
 211
 212       case 'h':
 213         help(stdout);
 214         exit(0);
 215       case 'v':
 216         version(stdout);
 217         exit(0);
 218       case 'u':
 219         usage(stdout);
 220         exit(0);
 221
 222       /* --- Transport configuration stuff --- */
 223
 224       case 't':
 225         txname = optarg;
 226         break;
 227       case 'c':
 228         txconf = optarg;
 229         break;
 230       case 'f':
 231         txfile = optarg;
 232         break;
 233
 234       /* --- Audio configuration stuff --- */
 235
 236       case 'a':
 237         audir = optarg;
 238         break;
 239       case 'x':
 240         aumax = strtoul(optarg, 0, 0);
 241         break;
 242
 243       /* --- Tracing --- */
 244
 245 #ifndef NTRACE
 246       case 'T':
 247         trace_level(traceopt(tropt, optarg, tracing(), 0));
 248         break;
 249 #endif
 250
 251       /* --- Errors --- */
 252
 253       default:
 254         f |= f_bogus;
 255         break;
 256     }
 257   }
 258
 259   if ((f & f_bogus) || optind > argc - 1) {
 260     usage(stderr);
 261     exit(EXIT_FAILURE);
 262   }
 263
 264   au_init(audir, aumax);
 265   rc = rx_runfile(argv[optind],
 266                   argc - optind - 1, (const char *const *)argv + optind + 1);
 267   return (rc ? EXIT_FAILURE : 0);
 268 }
 269
 270 /*----- That's all, folks -------------------------------------------------*/