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/*
* Copyright (C) 2010 Michael Brown <mbrown@fensystems.co.uk>.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <stdint.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <getopt.h>
#include <ipxe/settings.h>
#include <ipxe/command.h>
#include <ipxe/parseopt.h>
FILE_LICENCE ( GPL2_OR_LATER );
/** @file
*
* Non-volatile option commands
*
*/
/** "show" options */
struct show_options {};
/** "show" option list */
static struct option_descriptor show_opts[] = {};
/** "show" command descriptor */
static struct command_descriptor show_cmd =
COMMAND_DESC ( struct show_options, show_opts, 1, 1, "<setting>" );
/**
* "show" command
*
* @v argc Argument count
* @v argv Argument list
* @ret rc Return status code
*/
static int show_exec ( int argc, char **argv ) {
struct show_options opts;
const char *name;
char buf[256];
int rc;
/* Parse options */
if ( ( rc = parse_options ( argc, argv, &show_cmd, &opts ) ) != 0 )
return rc;
/* Parse setting name */
name = argv[optind];
/* Fetch setting */
if ( ( rc = fetchf_named_setting ( name, buf,
sizeof ( buf ) ) ) < 0 ) {
printf ( "Could not find \"%s\": %s\n",
name, strerror ( rc ) );
return rc;
}
/* Print setting value */
printf ( "%s = %s\n", name, buf );
return 0;
}
/** "set" options */
struct set_options {};
/** "set" option list */
static struct option_descriptor set_opts[] = {};
/** "set" command descriptor */
static struct command_descriptor set_cmd =
COMMAND_DESC ( struct set_options, set_opts, 1, MAX_ARGUMENTS,
"<setting> <value>" );
/**
* "set" command
*
* @v argc Argument count
* @v argv Argument list
* @ret rc Return status code
*/
static int set_exec ( int argc, char **argv ) {
struct set_options opts;
const char *name;
char *value;
int rc;
/* Parse options */
if ( ( rc = parse_options ( argc, argv, &set_cmd, &opts ) ) != 0 )
goto err_parse_options;
/* Parse setting name */
name = argv[optind];
/* Parse setting value */
value = concat_args ( &argv[ optind + 1 ] );
if ( ! value ) {
rc = -ENOMEM;
goto err_concat_args;
}
/* Determine total length of command line */
if ( ( rc = storef_named_setting ( name, value ) ) != 0 ) {
printf ( "Could not set \"%s\"=\"%s\": %s\n",
name, value, strerror ( rc ) );
goto err_store;
}
free ( value );
return 0;
err_store:
free ( value );
err_concat_args:
err_parse_options:
return rc;
}
/** "clear" options */
struct clear_options {};
/** "clear" option list */
static struct option_descriptor clear_opts[] = {};
/** "clear" command descriptor */
static struct command_descriptor clear_cmd =
COMMAND_DESC ( struct clear_options, clear_opts, 1, 1, "<setting>" );
/**
* "clear" command
*
* @v argc Argument count
* @v argv Argument list
* @ret rc Return status code
*/
static int clear_exec ( int argc, char **argv ) {
struct clear_options opts;
const char *name;
int rc;
/* Parse options */
if ( ( rc = parse_options ( argc, argv, &clear_cmd, &opts ) ) != 0 )
return rc;
/* Parse setting name */
name = argv[optind];
/* Clear setting */
if ( ( rc = delete_named_setting ( name ) ) != 0 ) {
printf ( "Could not clear \"%s\": %s\n",
name, strerror ( rc ) );
return rc;
}
return 0;
}
/** Non-volatile option commands */
struct command nvo_commands[] __command = {
{
.name = "show",
.exec = show_exec,
},
{
.name = "set",
.exec = set_exec,
},
{
.name = "clear",
.exec = clear_exec,
},
};
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