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/*
* File : sal_ipaddr.h
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006 - 2018, RT-Thread Development Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Change Logs:
* Date Author Notes
* 2018-05-18 ChenYong First version
*/
#ifndef SAL_IPADDR_H__
#define SAL_IPADDR_H__
#include "sal_type.h"
#ifdef __cplusplus
extern "C" {
#endif
/** IPv4 only: set the IP address given as an u32_t */
#define ip4_addr_set_u32(dest_ipaddr, src_u32) ((dest_ipaddr)->addr = (src_u32))
/** IPv4 only: get the IP address as an u32_t */
#define ip4_addr_get_u32(src_ipaddr) ((src_ipaddr)->addr)
#define IP4ADDR_STRLEN_MAX 16
/* These macros should be calculated by the preprocessor and are used
with compile-time constants only (so that there is no little-endian
overhead at runtime). */
#define PP_HTONS(x) ((((x) & 0x00ffUL) << 8) | (((x) & 0xff00UL) >> 8))
#define PP_NTOHS(x) PP_HTONS(x)
#define PP_HTONL(x) ((((x) & 0x000000ffUL) << 24) | \
(((x) & 0x0000ff00UL) << 8) | \
(((x) & 0x00ff0000UL) >> 8) | \
(((x) & 0xff000000UL) >> 24))
#define PP_NTOHL(x) PP_HTONL(x)
#define htons(x) (u16_t)PP_HTONS(x)
#define ntohs(x) (u16_t)PP_NTOHS(x)
#define htonl(x) (u32_t)PP_HTONL(x)
#define ntohl(x) (u32_t)PP_NTOHL(x)
/* If your port already typedef's in_addr_t, define IN_ADDR_T_DEFINED
to prevent this code from redefining it. */
#if !defined(in_addr_t) && !defined(IN_ADDR_T_DEFINED)
typedef u32_t in_addr_t;
#endif
struct in_addr
{
in_addr_t s_addr;
};
struct in6_addr
{
union
{
u32_t u32_addr[4];
u8_t u8_addr[16];
} un;
#define s6_addr un.u8_addr
};
enum sal_ip_addr_type
{
/** IPv4 */
IPADDR_TYPE_V4 = 0U,
/** IPv6 */
IPADDR_TYPE_V6 = 6U,
/** IPv4+IPv6 ("dual-stack") */
IPADDR_TYPE_ANY = 46U
};
typedef struct ip4_addr
{
u32_t addr;
} ip4_addr_t;
typedef struct ip6_addr
{
u32_t addr[4];
} ip6_addr_t;
typedef struct _ip_addr
{
union
{
ip6_addr_t ip6;
ip4_addr_t ip4;
} u_addr;
/** @ref sal_ip_addr_type */
u8_t type;
} ip_addr_t;
/** 255.255.255.255 */
#define IPADDR_NONE ((u32_t)0xffffffffUL)
/** 127.0.0.1 */
#define IPADDR_LOOPBACK ((u32_t)0x7f000001UL)
/** 0.0.0.0 */
#define IPADDR_ANY ((u32_t)0x00000000UL)
/** 255.255.255.255 */
#define IPADDR_BROADCAST ((u32_t)0xffffffffUL)
/** 255.255.255.255 */
#define INADDR_NONE IPADDR_NONE
/** 127.0.0.1 */
#define INADDR_LOOPBACK IPADDR_LOOPBACK
/** 0.0.0.0 */
#define INADDR_ANY IPADDR_ANY
/** 255.255.255.255 */
#define INADDR_BROADCAST IPADDR_BROADCAST
#define IPADDR_BROADCAST_STRING "255.255.255.255"
in_addr_t sal_ipaddr_addr(const char *cp);
int sal_ip4addr_aton(const char *cp, ip4_addr_t *addr);
char *sal_ip4addr_ntoa(const ip4_addr_t *addr);
char *sal_ip4addr_ntoa_r(const ip4_addr_t *addr, char *buf, int buflen);
#define inet_addr(cp) sal_ipaddr_addr(cp)
#define inet_aton(cp,addr) sal_ip4addr_aton(cp,(ip4_addr_t*)addr)
#define inet_ntoa(addr) sal_ip4addr_ntoa((const ip4_addr_t*)&(addr))
#define inet_ntoa_r(addr, buf, buflen) sal_ip4addr_ntoa_r((const ip4_addr_t*)&(addr), buf, buflen)
#ifdef __cplusplus
}
#endif
#endif /* SAL_IPADDR_H__ */
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