source/Main.C

   1 // Main.C  -*- C++ -*-
   2 // Copyright (c) 1997, 1998 Etienne BERNARD
   3 // Copyright (C) 2002 Clinton Ebadi
   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; either version 2 of the License, or
   8 // any later version.
   9
  10 // This program is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14
  15 // You should have received a copy of the GNU General Public License
  16 // along with this program; if not, write to the Free Software
  17 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307, USA.
  18
  19 #ifdef HAVE_CONFIG_H
  20 #include "config.h"
  21 #endif
  22
  23 #include <unistd.h>
  24 #include <iostream>
  25 #include <cstdio>
  26 #include <csignal>
  27 #include <cstdlib>
  28
  29 #ifdef USESCRIPTS
  30 #include "Interp.H"
  31 #endif
  32
  33 #include "Bot.H"
  34
  35 Bot *b;
  36
  37 void sig_hup(int) {
  38   if (b) {
  39     b->userList->read();
  40     b->userList->addUserFirst("bidon", "bidon", 0, 0, false, 0, "");
  41     b->reconnect();
  42   }
  43 }
  44
  45 void printUsage(char *name)
  46 {
  47   std::cout << "Usage: " << name << " [-h] [-b] [-f file] [-d dir] [-D]\n"
  48     " -h        Shows this help.\n"
  49     " -b        Do not run in background.\n"
  50     " -f file   Use file as config file.\n"
  51     " -d dir    Use dir as current dir.\n"
  52     " -c config Use config as config\n"
  53     " -s config Use config as config (only search sysdir)\n"
  54     " -u config Use config as config (only search userdir)\n"
  55     " -D        Debug mode (input/output printing and no background mode.\n";
  56 }
  57
  58 static void real_main(void* DONOTUSE, int argc, char **argv)
  59 {
  60   // FIXME: User directory
  61   int opt;
  62   extern char *optarg;
  63   bool background = true;
  64   String configFile = "bot.conf";
  65   String cmd_directory = "";
  66   String sys_directory = "/etc/bobotpp/";
  67   String sys_subdir = "default";
  68   String user_directory = String(getenv ("HOME")) + "/.bobotpp/config/";
  69   String user_subdir = "default";
  70   bool debug = false;
  71
  72   std::signal(SIGPIPE, SIG_IGN);
  73   std::signal(SIGALRM, SIG_IGN);
  74   std::signal(SIGHUP,  sig_hup);
  75
  76   // We parse the command line options
  77   while ((opt = getopt(argc,argv,"hbf:d:c:D")) != EOF)
  78     switch (opt) {
  79     case 'h':
  80       printUsage(argv[0]); exit(0);
  81     case 'b':
  82       background = false;
  83       break;
  84     case 'f':
  85       configFile = optarg;
  86       break;
  87     case 'd':
  88       cmd_directory = optarg;
  89       break;
  90     case 'c':
  91       sys_subdir = optarg;
  92       user_subdir = optarg;
  93       break;
  94     case 'u':
  95       user_subdir = optarg;
  96       break;
  97     case 's':
  98       sys_subdir = optarg;
  99       break;
 100     case 'D':
 101       debug = true;
 102       break;
 103     default:
 104       printUsage(argv[0]); exit(1);
 105     }
 106
 107   if (!cmd_directory.length ())
 108     {
 109       if (chdir(user_directory + user_subdir) < 0)
 110         if (chdir(sys_directory + sys_subdir) < 0)
 111           {
 112             std::cerr << "Dirs don't exist! Exiting\n";
 113             std::exit (2); // no execution
 114           }
 115     }
 116   else
 117     if (chdir(cmd_directory) < 0)
 118       {
 119         std::perror("Error: ");
 120         std::cerr << "Exiting...\n";
 121         std::exit (2);
 122       }
 123
 124   std::cout << COPYRIGHT_STRING <<
 125     "\n"PACKAGE" comes with ABSOLUTELY NO WARRANTY\n"
 126     "This is free software, and you are welcome to redistribute it\n"
 127     "under certain conditions; See the COPYING file for details.\n";
 128
 129   if (!debug) {
 130     if (background)
 131       switch (fork()) {
 132       case -1:
 133         std::cout << "Could not run in the background. Exiting...\n";
 134         perror("fork");
 135         exit(1);
 136       case 0:
 137         break;
 138       default:
 139         std::cout << "Running in the background...\n";
 140         exit(0);
 141       }
 142   }
 143
 144 #ifdef USESCRIPTS
 145   Interp::Startup();
 146 #endif
 147
 148   b = new Bot(configFile, debug);
 149   b->run();
 150   delete b;
 151
 152 #ifdef USESCRIPTS
 153   Interp::Shutdown();
 154 #endif
 155 }
 156
 157 int main(int argc, char **argv) {
 158 #ifdef USESCRIPTS
 159   scm_boot_guile (argc, argv, real_main, 0);
 160 #else
 161   real_main(0, argc, argv);
 162 #endif
 163
 164   return 0;
 165 }