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      1 /*
      2  * Copyright (C) 2007 Michael Brown <mbrown (at) 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 };
     88