src/main.c

   1 /* $Id$
   2  * UDP Gateway utility
   3  * Copyright (C) 2004 Jan Kratochvil <project-udpgate@jankratochvil.net>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; exactly version 2 of June 1991 is required
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  17  */
  18
  19
  20 #include "config.h"
  21
  22 #include <glib/gmessages.h>
  23 #include <popt.h>
  24 #include <locale.h>
  25 #include <stdlib.h>
  26 #include <glib/gutils.h>
  27 #include <string.h>
  28 #include <setjmp.h>
  29 #include <unistd.h>
  30 #include <libgnome/gnome-program.h>
  31 #include <libgnomeui/gnome-ui-init.h>
  32
  33 #include "ui-gnome.h"
  34
  35
  36 int optarg_verbose;
  37 static int optarg_text;
  38
  39 static const struct poptOption popt_table[]={
  40
  41 #define UDPGATE_POPT(shortname,longname,argInfoP,argP,valP,descripP,argDescripP) \
  42                 { \
  43                         longName: (longname), \
  44                         shortName: (shortname), \
  45                         argInfo: (argInfoP)|(!(valP) ? 0 : POPT_ARG_VAL), \
  46                         arg: (void *)argP, \
  47                         val: (valP), \
  48                         descrip: (descripP), \
  49                         argDescrip: (argDescripP), \
  50                 }
  51
  52                 UDPGATE_POPT(0  ,"text"            ,POPT_ARG_NONE  ,&optarg_text   ,0,
  53                                 N_("Disable Gnome UI; --text must be first argument"),NULL),
  54                 UDPGATE_POPT('v',"verbose"         ,POPT_ARG_NONE  ,&optarg_verbose,0,N_("Display additional debug information"),NULL),
  55
  56 #undef UDPGATE_POPT
  57                 POPT_TABLEEND
  58                 };
  59
  60 static const struct poptOption popt_table_autohelp[]={
  61                 { NULL,'\0',POPT_ARG_INCLUDE_TABLE,(struct poptOption *)&popt_table,0,PACKAGE },
  62                 POPT_AUTOHELP
  63                 POPT_TABLEEND
  64                 };
  65
  66
  67 static jmp_buf gnome_init_atexit_jmpbuf;
  68 static gboolean gnome_init_atexit_disable;
  69
  70 static void gnome_init_atexit_handler(void)
  71 {
  72         if (gnome_init_atexit_disable)
  73                 return;
  74
  75         longjmp(gnome_init_atexit_jmpbuf,1);
  76         g_assert_not_reached();
  77         _exit(EXIT_FAILURE);
  78 }
  79
  80 static gboolean gnome_init_g_log_handler_hit;
  81 static void gnome_init_g_log_handler(const gchar *log_domain,GLogLevelFlags log_level,const gchar *message,gpointer user_data)
  82 {
  83         gnome_init_g_log_handler_hit=TRUE;
  84         g_log_default_handler(log_domain,log_level,message,user_data);
  85 }
  86
  87 int main(int argc,char **argv)
  88 {
  89 poptContext context;
  90 int errint;
  91 gboolean is_interactive;
  92 gboolean no_gnome;
  93
  94 #if 0
  95         g_log_set_always_fatal(~(0
  96                         |G_LOG_LEVEL_MESSAGE
  97                         |G_LOG_LEVEL_INFO
  98                         |G_LOG_LEVEL_DEBUG
  99                         ));
 100 #endif
 101
 102         /* Initialize the i18n stuff */
 103         setlocale(LC_ALL,"");
 104         bindtextdomain(PACKAGE,LOCALEDIR);
 105         textdomain(PACKAGE);
 106
 107         if (argv[1] && !strcmp(argv[1],"--text"))
 108                 optarg_text=1;
 109
 110         no_gnome=(optarg_text || !getenv("DISPLAY") || !*getenv("DISPLAY"));
 111
 112         if (no_gnome) {
 113                 context=poptGetContext(
 114                                 PACKAGE,        /* name */
 115                                 argc,(/*en-const*/const char **)argv,   /* argc,argv */
 116                                 popt_table_autohelp,    /* options */
 117                                 POPT_CONTEXT_POSIXMEHARDER);    /* flags; && !POPT_CONTEXT_KEEP_FIRST */
 118                 if (context==NULL) {
 119                         g_assert_not_reached(); /* argument recognization args_error */
 120                         return EXIT_FAILURE;
 121                         }
 122                 errint=poptReadDefaultConfig(context,
 123                                 TRUE);  /* useEnv */
 124                 if (errint!=0) {
 125                         g_assert_not_reached(); /* argument recognization args_error */
 126                         return EXIT_FAILURE;
 127                         }
 128                 errint=poptGetNextOpt(context);
 129                 if (errint!=-1) {
 130                         g_assert_not_reached(); /* some non-callbacked argument reached */
 131                         return EXIT_FAILURE;
 132                         }
 133                 if (poptPeekArg(context)) {
 134                         g_error(_("No arguments expected"));
 135                         return EXIT_FAILURE;
 136                         }
 137                 }
 138         else {
 139 GnomeProgram *gnome_program;
 140 guint handler_id;
 141
 142                 gnome_init_atexit_disable=FALSE;
 143                 g_atexit(gnome_init_atexit_handler);
 144                 gnome_init_g_log_handler_hit=FALSE;
 145                 handler_id=g_log_set_handler(
 146                                 "Gtk",  /* log_domain */
 147                                 G_LOG_LEVEL_WARNING,    /* log_levels */
 148                                 gnome_init_g_log_handler,       /* log_func */
 149                                 NULL);  /* user_data */
 150                 if (!setjmp(gnome_init_atexit_jmpbuf))
 151                         gnome_program=gnome_program_init(PACKAGE,VERSION,LIBGNOMEUI_MODULE,argc,argv,
 152                                         GNOME_PARAM_POPT_TABLE,popt_table,
 153                                         GNOME_PARAM_POPT_FLAGS,(int)POPT_CONTEXT_POSIXMEHARDER,
 154                                         NULL);
 155                 else {
 156                         no_gnome=TRUE;
 157                         /* No message: (captive-install-acquire:3693): Gtk-WARNING **: cannot open display:
 158                          * was reported, probably only '--help' message was shown.
 159                          */
 160                         if (!gnome_init_g_log_handler_hit)
 161                                 exit(EXIT_SUCCESS);
 162                         }
 163                 gnome_init_atexit_disable=TRUE;
 164                 g_log_remove_handler(
 165                                 "Gtk",  /* log_domain */
 166                                 handler_id);    /* handler_id */
 167                 }
 168
 169         is_interactive=(1
 170 /*                      && ! optarg_scan_path_list
 171                         && ! optarg_scan_disks_quick
 172                         && ! optarg_scan_disks
 173                         && ! optarg_microsoft_com */ );
 174
 175         /* Initialize UI here to catch all GLog errors below. */
 176         if (is_interactive
 177                         && (no_gnome || !ui_gnome_init())
 178 /*                      && !ui_line_init()*/)
 179                 g_error(_("No UI interface could be initialized"));
 180
 181         if (!is_interactive)
 182                 /*scan_batch()*/;
 183         else
 184                 ui_gnome_interactive();
 185
 186         return EXIT_SUCCESS;
 187 }