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/*
* Copyright (C) 2013 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., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
FILE_LICENCE ( GPL2_OR_LATER );
/** @file
*
* Form parameter commands
*
*/
#include <stdlib.h>
#include <errno.h>
#include <getopt.h>
#include <ipxe/params.h>
#include <ipxe/parseopt.h>
#include <ipxe/command.h>
/** "params" options */
struct params_options {
/** Name */
char *name;
/** Delete */
int delete;
};
/** "params" option list */
static struct option_descriptor params_opts[] = {
OPTION_DESC ( "name", 'n', required_argument,
struct params_options, name, parse_string ),
OPTION_DESC ( "delete", 'd', no_argument,
struct params_options, delete, parse_flag ),
};
/** "params" command descriptor */
static struct command_descriptor params_cmd =
COMMAND_DESC ( struct params_options, params_opts, 0, 0, NULL );
/**
* The "params" command
*
* @v argc Argument count
* @v argv Argument list
* @ret rc Return status code
*/
static int params_exec ( int argc, char **argv ) {
struct params_options opts;
struct parameters *params;
int rc;
/* Parse options */
if ( ( rc = parse_options ( argc, argv, ¶ms_cmd, &opts ) ) != 0)
return rc;
/* Create parameter list */
params = create_parameters ( opts.name );
if ( ! params )
return -ENOMEM;
/* Destroy parameter list, if applicable */
if ( opts.delete ) {
claim_parameters ( params );
params_put ( params );
}
return 0;
}
/** "param" options */
struct param_options {
/** Parameter list name */
char *params;
};
/** "param" option list */
static struct option_descriptor param_opts[] = {
OPTION_DESC ( "params", 'p', required_argument,
struct param_options, params, parse_string ),
};
/** "param" command descriptor */
static struct command_descriptor param_cmd =
COMMAND_DESC ( struct param_options, param_opts, 1, MAX_ARGUMENTS,
"<key> [<value>]" );
/**
* The "param" command
*
* @v argc Argument count
* @v argv Argument list
* @ret rc Return status code
*/
static int param_exec ( int argc, char **argv ) {
struct param_options opts;
char *key;
char *value;
struct parameters *params;
struct parameter *param;
int rc;
/* Parse options */
if ( ( rc = parse_options ( argc, argv, ¶m_cmd, &opts ) ) != 0 )
goto err_parse_options;
/* Parse key */
key = argv[optind];
/* Parse value */
value = concat_args ( &argv[ optind + 1 ] );
if ( ! value ) {
rc = -ENOMEM;
goto err_parse_value;
}
/* Identify parameter list */
if ( ( rc = parse_parameters ( opts.params, ¶ms ) ) != 0 )
goto err_parse_parameters;
/* Add parameter */
param = add_parameter ( params, key, value );
if ( ! param ) {
rc = -ENOMEM;
goto err_add_parameter;
}
/* Success */
rc = 0;
err_add_parameter:
err_parse_parameters:
free ( value );
err_parse_value:
err_parse_options:
return rc;
}
/** Form parameter commands */
struct command param_commands[] __command = {
{
.name = "params",
.exec = params_exec,
},
{
.name = "param",
.exec = param_exec,
},
};
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