comboot_resolv.c File Reference

#include <errno.h>
#include <comboot.h>
#include <ipxe/in.h>
#include <ipxe/list.h>
#include <ipxe/process.h>
#include <ipxe/resolv.h>

Go to the source code of this file.

Data Structures
struct	comboot_resolver

Functions
	FILE_LICENCE (GPL2_OR_LATER)
static void	comboot_resolv_close (struct comboot_resolver *comboot_resolver, int rc)
static void	comboot_resolv_done (struct comboot_resolver *comboot_resolver, struct sockaddr *sa)
int	comboot_resolv (const char *name, struct in_addr *address)

Variables
static struct interface_operation	comboot_resolv_op []
static struct interface_descriptor	comboot_resolv_desc
static struct comboot_resolver	comboot_resolver

Function Documentation

FILE_LICENCE()

FILE_LICENCE

(

GPL2_OR_LATER

)

comboot_resolv_close()

static void comboot_resolv_close ( struct comboot_resolver *  comboot_resolver, int  rc  )

static

Definition at line 16 of file comboot_resolv.c.

                                            {
        comboot_resolver->rc = rc;
        intf_shutdown ( &comboot_resolver->intf, rc );
}

References comboot_resolver::intf, intf_shutdown(), comboot_resolver::rc, and rc.

comboot_resolv_done()

static void comboot_resolv_done ( struct comboot_resolver *  comboot_resolver, struct sockaddr *  sa  )

static

Definition at line 22 of file comboot_resolv.c.

                                                        {
        struct sockaddr_in *sin;

        if ( sa->sa_family == AF_INET ) {
                sin = ( ( struct sockaddr_in * ) sa );
                comboot_resolver->addr = sin->sin_addr;
        }
}

References comboot_resolver::addr, AF_INET, sa, sockaddr::sa_family, sin, and sockaddr_in::sin_addr.

comboot_resolv()

int comboot_resolv	(	const char *	name,
		struct in_addr *	address
	)

Definition at line 44 of file comboot_resolv.c.

                                                                 {
        int rc;

        comboot_resolver.rc = -EINPROGRESS;
        comboot_resolver.addr.s_addr = 0;

        if ( ( rc = resolv ( &comboot_resolver.intf, name, NULL ) ) != 0 )
                return rc;

        while ( comboot_resolver.rc == -EINPROGRESS )
                step();

        if ( ! comboot_resolver.addr.s_addr )
                return -EAFNOSUPPORT;

        *address = comboot_resolver.addr;
        return comboot_resolver.rc;
}

References comboot_resolver::addr, address, EAFNOSUPPORT, EINPROGRESS, comboot_resolver::intf, name, NULL, comboot_resolver::rc, rc, resolv(), in_addr::s_addr, and step().

Referenced by int22().

Variable Documentation

comboot_resolv_op

struct interface_operation comboot_resolv_op[]

static

Initial value:

= {
        INTF_OP ( intf_close, struct comboot_resolver *, comboot_resolv_close ),
        INTF_OP ( resolv_done, struct comboot_resolver *, comboot_resolv_done ),
}

Definition at line 32 of file comboot_resolv.c.

comboot_resolv_desc

struct interface_descriptor comboot_resolv_desc

static

Initial value:

=
        INTF_DESC ( struct comboot_resolver, intf, comboot_resolv_op )

Definition at line 37 of file comboot_resolv.c.

comboot_resolver

struct comboot_resolver comboot_resolver

static

Initial value:

= {
        .intf = INTF_INIT ( comboot_resolv_desc ),
}

Definition at line 40 of file comboot_resolv.c.