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[interface] Convert all name-resolution interfaces to generic interfaces

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Remove name-resolution as an interface type, and replace
name-resolution interfaces with generic interfaces supporting the
resolv_done() method.

Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
2008-06-13 03:36:24 +01:00
parent a03dd97e6b
commit 7b4fbd93a5
4 changed files with 175 additions and 266 deletions
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77
src/arch/i386/interface/syslinux/comboot_resolv.c
View File

@@ -7,54 +7,55 @@
FILE_LICENCE ( GPL2_OR_LATER );
static int comboot_resolv_rc;
static struct in_addr comboot_resolv_addr;
static void comboot_resolv_done ( struct resolv_interface *resolv,
struct sockaddr *sa, int rc ) {
struct sockaddr_in *sin;
resolv_unplug ( resolv );
if ( rc != 0 ) {
comboot_resolv_rc = rc;
return;
}
if ( sa->sa_family != AF_INET ) {
comboot_resolv_rc = -EAFNOSUPPORT;
return;
}
sin = ( ( struct sockaddr_in * ) sa );
comboot_resolv_addr = sin->sin_addr;
comboot_resolv_rc = 0;
}
static struct resolv_interface_operations comboot_resolv_ops = {
.done = comboot_resolv_done,
struct comboot_resolver {
struct interface intf;
int rc;
struct in_addr addr;
};
static struct resolv_interface comboot_resolver = {
.intf = {
.dest = &null_resolv.intf,
.refcnt = NULL,
},
.op = &comboot_resolv_ops,
static void comboot_resolv_close ( struct comboot_resolver *comboot_resolver,
int rc ) {
comboot_resolver->rc = rc;
intf_shutdown ( &comboot_resolver->intf, rc );
}
static void comboot_resolv_done ( struct comboot_resolver *comboot_resolver,
struct sockaddr *sa ) {
struct sockaddr_in *sin;
if ( sa->sa_family == AF_INET ) {
sin = ( ( struct sockaddr_in * ) sa );
comboot_resolver->addr = sin->sin_addr;
}
}
static struct interface_operation comboot_resolv_op[] = {
INTF_OP ( intf_close, struct comboot_resolver *, comboot_resolv_close ),
INTF_OP ( resolv_done, struct comboot_resolver *, comboot_resolv_done ),
};
static struct interface_descriptor comboot_resolv_desc =
INTF_DESC ( struct comboot_resolver, intf, comboot_resolv_op );
static struct comboot_resolver comboot_resolver = {
.intf = INTF_INIT ( comboot_resolv_desc ),
};
int comboot_resolv ( const char *name, struct in_addr *address ) {
int rc;
comboot_resolv_rc = -EINPROGRESS;
comboot_resolver.rc = -EINPROGRESS;
comboot_resolver.addr.s_addr = 0;
if ( ( rc = resolv ( &comboot_resolver, name, NULL ) ) != 0 )
if ( ( rc = resolv ( &comboot_resolver.intf, name, NULL ) ) != 0 )
return rc;
while ( comboot_resolv_rc == -EINPROGRESS )
while ( comboot_resolver.rc == -EINPROGRESS )
step();
*address = comboot_resolv_addr;
return comboot_resolv_rc;
if ( ! comboot_resolver.addr.s_addr )
return -EAFNOSUPPORT;
*address = comboot_resolver.addr;
return comboot_resolver.rc;
}