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[Settings] Introduce settings applicators.

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Convert DHCP option applicators in dns.c and iscsi.c to settings
applicators.

Kill off DHCP option applicators.
This commit is contained in:
Michael Brown
2008-03-20 23:15:48 +00:00
parent acfa14423e
commit cf03304620
6 changed files with 221 additions and 137 deletions
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33
src/net/udp/dns.c
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@@ -30,7 +30,7 @@
#include <gpxe/resolv.h>
#include <gpxe/retry.h>
#include <gpxe/tcpip.h>
#include <gpxe/dhcp.h>
#include <gpxe/settings.h>
#include <gpxe/features.h>
#include <gpxe/dns.h>
@@ -507,27 +507,26 @@ struct resolver dns_resolver __resolver ( RESOLV_NORMAL ) = {
};
/**
* Apply DHCP nameserver option
* Apply nameserver setting
*
* @v tag DHCP option tag
* @v option DHCP option
* @ret rc Return status code
*/
static int apply_dhcp_nameserver ( unsigned int tag __unused,
struct dhcp_option *option ) {
struct sockaddr_in *sin_nameserver;
static int apply_nameserver_setting ( void ) {
struct sockaddr_in *sin_nameserver =
( struct sockaddr_in * ) &nameserver;
int len;
sin_nameserver = ( struct sockaddr_in * ) &nameserver;
sin_nameserver->sin_family = AF_INET;
dhcp_ipv4_option ( option, &sin_nameserver->sin_addr );
DBG ( "DNS using nameserver %s\n",
inet_ntoa ( sin_nameserver->sin_addr ) );
if ( ( len = fetch_ipv4_setting ( NULL, DHCP_DNS_SERVERS,
&sin_nameserver->sin_addr ) ) >= 0 ){
sin_nameserver->sin_family = AF_INET;
DBG ( "DNS using nameserver %s\n",
inet_ntoa ( sin_nameserver->sin_addr ) );
}
return 0;
}
/** DHCP nameserver applicator */
struct dhcp_option_applicator dhcp_nameserver_applicator __dhcp_applicator = {
.tag = DHCP_DNS_SERVERS,
.apply = apply_dhcp_nameserver,
/** Nameserver setting applicator */
struct settings_applicator nameserver_applicator __settings_applicator = {
.apply = apply_nameserver_setting,
};