/home/midibox/svn_snapshot/mios32/trunk/modules/uip/apps/resolv/resolv.c File Reference

#include "resolv.h"
#include "uip.h"
#include <string.h>

Data Structures
struct	dns_hdr
struct	dns_answer
struct	namemap
Defines
#define	MAX_RETRIES   8
#define	DNS_FLAG1_RESPONSE   0x80
#define	DNS_FLAG1_OPCODE_STATUS   0x10
#define	DNS_FLAG1_OPCODE_INVERSE   0x08
#define	DNS_FLAG1_OPCODE_STANDARD   0x00
#define	DNS_FLAG1_AUTHORATIVE   0x04
#define	DNS_FLAG1_TRUNC   0x02
#define	DNS_FLAG1_RD   0x01
#define	DNS_FLAG2_RA   0x80
#define	DNS_FLAG2_ERR_MASK   0x0f
#define	DNS_FLAG2_ERR_NONE   0x00
#define	DNS_FLAG2_ERR_NAME   0x03
#define	STATE_UNUSED   0
#define	STATE_NEW   1
#define	STATE_ASKING   2
#define	STATE_DONE   3
#define	STATE_ERROR   4
#define	RESOLV_ENTRIES   4
Functions
void	resolv_appcall (void)
void	resolv_query (char *name)
u16_t *	resolv_lookup (char *name)
u16_t *	resolv_getserver (void)
void	resolv_conf (u16_t *dnsserver)
void	resolv_init (void)

---

Detailed Description

DNS host name to IP address resolver.

Author:

Adam Dunkels <adam@dunkels.com>

This file implements a DNS host name to IP address resolver.

---

Define Documentation

#define DNS_FLAG1_AUTHORATIVE   0x04

#define DNS_FLAG1_OPCODE_INVERSE   0x08

#define DNS_FLAG1_OPCODE_STANDARD   0x00

#define DNS_FLAG1_OPCODE_STATUS   0x10

#define DNS_FLAG1_RD   0x01

#define DNS_FLAG1_RESPONSE   0x80

#define DNS_FLAG1_TRUNC   0x02

#define DNS_FLAG2_ERR_MASK   0x0f

#define DNS_FLAG2_ERR_NAME   0x03

#define DNS_FLAG2_ERR_NONE   0x00

#define DNS_FLAG2_RA   0x80

#define STATE_ASKING   2

#define STATE_DONE   3

#define STATE_ERROR   4

#define STATE_NEW   1

#define STATE_UNUSED   0