gpxe/src/hci/commands/route_cmd.c

   1 /*
   2  * Copyright (C) 2007 Michael Brown <mbrown@fensystems.co.uk>.
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License as
   6  * published by the Free Software Foundation; either version 2 of the
   7  * License, or any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful, but
  10  * WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
  17  */
  18
  19 #include <stdio.h>
  20 #include <getopt.h>
  21 #include <gpxe/command.h>
  22 #include <usr/route.h>
  23
  24 /** @file
  25  *
  26  * Routing table management commands
  27  *
  28  */
  29
  30 /**
  31  * "route" command syntax message
  32  *
  33  * @v argv              Argument list
  34  */
  35 static void route_syntax ( char **argv ) {
  36         printf ( "Usage:\n"
  37                  "  %s\n"
  38                  "\n"
  39                  "Displays the routing table\n",
  40                  argv[0] );
  41 }
  42
  43 /**
  44  * The "route" command
  45  *
  46  * @v argc              Argument count
  47  * @v argv              Argument list
  48  * @ret rc              Exit code
  49  */
  50 static int route_exec ( int argc, char **argv ) {
  51         static struct option longopts[] = {
  52                 { "help", 0, NULL, 'h' },
  53                 { NULL, 0, NULL, 0 },
  54         };
  55
  56         int c;
  57
  58         /* Parse options */
  59         while ( ( c = getopt_long ( argc, argv, "h", longopts, NULL ) ) >= 0 ){
  60                 switch ( c ) {
  61                 case 'h':
  62                         /* Display help text */
  63                 default:
  64                         /* Unrecognised/invalid option */
  65                         route_syntax ( argv );
  66                         return 1;
  67                 }
  68         }
  69
  70         if ( optind != argc ) {
  71                 route_syntax ( argv );
  72                 return 1;
  73         }
  74
  75         route();
  76         return 0;
  77 }
  78
  79 /** Routing table management commands */
  80 struct command route_commands[] __command = {
  81         {
  82                 .name = "route",
  83                 .exec = route_exec,
  84         },
  85 };