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 FILE_LICENCE ( GPL2_OR_LATER );
  20
  21 #include <stdio.h>
  22 #include <getopt.h>
  23 #include <gpxe/command.h>
  24 #include <usr/route.h>
  25
  26 /** @file
  27  *
  28  * Routing table management commands
  29  *
  30  */
  31
  32 /**
  33  * "route" command syntax message
  34  *
  35  * @v argv              Argument list
  36  */
  37 static void route_syntax ( char **argv ) {
  38         printf ( "Usage:\n"
  39                  "  %s\n"
  40                  "\n"
  41                  "Displays the routing table\n",
  42                  argv[0] );
  43 }
  44
  45 /**
  46  * The "route" command
  47  *
  48  * @v argc              Argument count
  49  * @v argv              Argument list
  50  * @ret rc              Exit code
  51  */
  52 static int route_exec ( int argc, char **argv ) {
  53         static struct option longopts[] = {
  54                 { "help", 0, NULL, 'h' },
  55                 { NULL, 0, NULL, 0 },
  56         };
  57
  58         int c;
  59
  60         /* Parse options */
  61         while ( ( c = getopt_long ( argc, argv, "h", longopts, NULL ) ) >= 0 ){
  62                 switch ( c ) {
  63                 case 'h':
  64                         /* Display help text */
  65                 default:
  66                         /* Unrecognised/invalid option */
  67                         route_syntax ( argv );
  68                         return 1;
  69                 }
  70         }
  71
  72         if ( optind != argc ) {
  73                 route_syntax ( argv );
  74                 return 1;
  75         }
  76
  77         route();
  78         return 0;
  79 }
  80
  81 /** Routing table management commands */
  82 struct command route_commands[] __command = {
  83         {
  84                 .name = "route",
  85                 .exec = route_exec,
  86         },
  87 };