src/distribute.cxx

   1 //
   2 // Copyright (C) 2008 Francesco Salvestrini
   3 //
   4 // This program is free software; you can redistribute it and/or modify
   5 // it under the terms of the GNU General Public License as published by
   6 // the Free Software Foundation; either version 2 of the License, or
   7 // (at your option) any later version.
   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 along
  15 // with this program; if not, write to the Free Software Foundation, Inc.,
  16 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  17 //
  18
  19 #include "config.h"
  20
  21 #include <unistd.h>
  22 #include <getopt.h>
  23 #include <string>
  24 #include <iostream>
  25
  26 #include "misc/debug.h"
  27 #include "misc/environment.h"
  28
  29 #define PROGRAM_NAME "distribute"
  30
  31 void version(void)
  32 {
  33         std::cout
  34                 << PROGRAM_NAME << " (" << PACKAGE_NAME  << ") " << PACKAGE_VERSION <<               std::endl
  35                 <<                                                                                   std::endl
  36                 << "Copyright (C) 2008 Francesco Salvestrini" <<                                     std::endl
  37                 <<                                                                                   std::endl
  38                 << "This is free software.  You may redistribute copies of it under the terms of" << std::endl
  39                 << "the GNU General Public License <http://www.gnu.org/licenses/gpl.html>." <<       std::endl
  40                 << "There is NO WARRANTY, to the extent permitted by law." <<                        std::endl;
  41
  42 }
  43
  44 void help(void)
  45 {
  46         std::cout
  47                 << "Usage: " << PROGRAM_NAME << " [OPTION]... "<<                std::endl
  48                 <<                                                               std::endl
  49                 << "Options: " <<                                                std::endl
  50                 << "  -t, --time-out=TIME    start time-out (seconds)" <<        std::endl
  51                 << "  -j, --job=FILE         use FILE as job to distribute" <<   std::endl
  52                 << "  -d, --debug            enable debugging traces" <<         std::endl
  53                 << "  -h, --help             print this help, then exit" <<      std::endl
  54                 << "  -V, --version          print version number, then exit" << std::endl
  55                 <<                                                               std::endl
  56                 << "Report bugs to <" << PACKAGE_BUGREPORT << ">" <<             std::endl;
  57 }
  58
  59 void hint(const std::string & message)
  60 {
  61         BUG_ON(message.size() == 0);
  62
  63         std::cout
  64                 << message <<                                                 std::endl
  65                 << "Try `" << PROGRAM_NAME << " -h' for more information." << std::endl;
  66 }
  67
  68 int main(int argc, char * argv[])
  69 {
  70         TR_CONFIG_LVL(TR_LVL_DEFAULT);
  71         TR_CONFIG_PFX(PROGRAM_NAME);
  72
  73         try {
  74                 int         time_out = 0;  // XXX FIXME: Change to a constant
  75                 std::string job      = ""; // XXX FIXME: Change to a constant
  76
  77                 int c;
  78                 //int digit_optind = 0;
  79                 while (1) {
  80                         //int this_option_optind = optind ? optind : 1;
  81                         int option_index       = 0;
  82
  83                         static struct option long_options[] = {
  84                                 { "job",      1, 0, 'j' },
  85                                 { "time-out", 1, 0, 't' },
  86                                 { "debug",    0, 0, 'd' },
  87                                 { "version",  0, 0, 'V' },
  88                                 { "help",     0, 0, 'h' },
  89                                 { 0,          0, 0, 0   }
  90                         };
  91
  92                         c = getopt_long(argc, argv, "t:j:dVh",
  93                                         long_options, &option_index);
  94                         if (c == -1) {
  95                                 break;
  96                         }
  97
  98                         switch (c) {
  99                                 case 't':
 100                                         //
 101                                         // XXX FIXME:
 102                                         //     The current solution is ugly.
 103                                         //     Add modifiers (s, m, h) to
 104                                         //     this option in order to use
 105                                         //     different time granularity.
 106                                         //
 107                                         time_out = atoi(optarg);
 108                                         if (time_out < 0) {
 109                                                 hint("Wrong time-out value");
 110                                                 return 1;
 111                                         }
 112                                         break;
 113                                 case 'j':
 114                                         job = optarg;
 115                                         break;
 116                                 case 'd':
 117                                         TR_CONFIG_LVL(TR_LVL_DEBUG);
 118                                         break;
 119                                 case 'V':
 120                                         version();
 121                                         return 0;
 122                                 case 'h':
 123                                         help();
 124                                         return 0;
 125                                 case '?':
 126                                         hint("Unrecognized option");
 127                                         return 1;
 128
 129                                 default:
 130                                         BUG();
 131                                         return 1;
 132                         }
 133                 }
 134
 135                 // XXX FIXME: Add options related checks here
 136
 137                 // Build configuration file path
 138                 std::string homedir = Environment::get("HOME");
 139                 std::string confdir =
 140                         homedir          +
 141                         std::string("/") +
 142                         std::string(".") +
 143                         std::string(PACKAGE_TARNAME);
 144                 std::string conffile =
 145                         confdir          +
 146                         std::string("/") +
 147                         std::string(PROGRAM_NAME);
 148
 149                 // Dump (acquired and derived) infos
 150                 TR_DBG("Time out:                '%d'\n", time_out);
 151                 TR_DBG("Job:                     '%s'\n", job.c_str());
 152                 TR_DBG("Home directory:          '%s'\n", homedir.c_str());
 153                 TR_DBG("Configuration directory: '%s'\n", confdir.c_str());
 154                 TR_DBG("Configuration file:      '%s'\n", conffile.c_str());
 155
 156                 // Do the supposed work
 157                 MISSING_CODE();
 158         } catch (...) {
 159                 BUG();
 160         };
 161
 162         return 0;
 163 }