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Added "priority" and "root-path" options

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This commit is contained in:
Michael Brown 2006-12-08 16:30:14 +00:00
parent 72b1629cee
commit 69b9048e1a
1 changed files with 94 additions and 2 deletions
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96
src/core/settings.c
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@ -19,6 +19,7 @@
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <byteswap.h>
#include <errno.h>
#include <assert.h>
#include <vsprintf.h>
@ -172,7 +173,8 @@ static int show_string ( struct config_context *context,
return 0;
}
/** Set value of string setting
/**
* Set value of string setting
*
* @v context Configuration context
* @v setting Configuration setting
@ -221,7 +223,8 @@ static int show_ipv4 ( struct config_context *context,
return 0;
}
/** Set value of IPV4 setting
/**
* Set value of IPV4 setting
*
* @v context Configuration context
* @v setting Configuration setting
@ -251,6 +254,85 @@ struct config_setting_type config_setting_type_ipv4 __config_setting_type = {
.set = set_ipv4,
};
/**
* Show value of integer setting
*
* @v context Configuration context
* @v setting Configuration setting
* @v buf Buffer to contain value
* @v len Length of buffer
* @ret rc Return status code
*/
static int show_int ( struct config_context *context,
struct config_setting *setting,
char *buf, size_t len ) {
struct dhcp_option *option;
long num;
option = find_dhcp_option ( context->options, setting->tag );
if ( ! option )
return -ENODATA;
num = dhcp_num_option ( option );
snprintf ( buf, len, "%ld", num );
return 0;
}
/**
* Set value of integer setting
*
* @v context Configuration context
* @v setting Configuration setting
* @v value Setting value (as a string)
* @v size Size of integer (in bytes)
* @ret rc Return status code
*/
static int set_int ( struct config_context *context,
struct config_setting *setting,
const char *value, unsigned int size ) {
struct dhcp_option *option;
union {
uint32_t num;
uint8_t bytes[4];
} u;
char *endp;
/* Parse number */
if ( ! *value )
return -EINVAL;
u.num = htonl ( strtoul ( value, &endp, 0 ) );
if ( *endp )
return -EINVAL;
/* Set option */
option = set_dhcp_option ( context->options, setting->tag,
&u.bytes[ sizeof ( u ) - size ], size );
if ( ! option )
return -ENOMEM;
return 0;
}
/**
* Set value of 8-bit integer setting
*
* @v context Configuration context
* @v setting Configuration setting
* @v value Setting value (as a string)
* @v size Size of integer (in bytes)
* @ret rc Return status code
*/
static int set_int8 ( struct config_context *context,
struct config_setting *setting,
const char *value ) {
return set_int ( context, setting, value, 8 );
}
/** An 8-bit integer configuration setting */
struct config_setting_type config_setting_type_int8 __config_setting_type = {
.name = "int8",
.show = show_int,
.set = set_int8,
};
/** Some basic setting definitions */
struct config_setting ip_config_setting __config_setting = {
.name = "ip",
@ -272,3 +354,13 @@ struct config_setting password_config_setting __config_setting = {
.tag = DHCP_EB_PASSWORD,
.type = &config_setting_type_string,
};
struct config_setting root_path_config_setting __config_setting = {
.name = "root-path",
.tag = DHCP_ROOT_PATH,
.type = &config_setting_type_string,
};
struct config_setting priority_config_setting __config_setting = {
.name = "priority",
.tag = DHCP_EB_PRIORITY,
.type = &config_setting_type_int8,
};