92 lines
3.2 KiB
C
92 lines
3.2 KiB
C
|
/*
|
||
|
|
* File : sal_netdb.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
|
||
|
|
* 2018-05-24 ChenYong First version
|
||
|
|
*/
|
||
|
|
#ifndef SAL_NETDB_H__
|
||
|
|
#define SAL_NETDB_H__
|
||
|
|
|
||
|
|
#include <sal_socket.h>
|
||
|
|
|
||
|
|
#define EAI_NONAME 200
|
||
|
|
#define EAI_SERVICE 201
|
||
|
|
#define EAI_FAIL 202
|
||
|
|
#define EAI_MEMORY 203
|
||
|
|
#define EAI_FAMILY 204
|
||
|
|
|
||
|
|
#define HOST_NOT_FOUND 210
|
||
|
|
#define NO_DATA 211
|
||
|
|
#define NO_RECOVERY 212
|
||
|
|
#define TRY_AGAIN 213
|
||
|
|
|
||
|
|
#define AI_PASSIVE 0x01
|
||
|
|
#define AI_CANONNAME 0x02
|
||
|
|
#define AI_NUMERICHOST 0x04
|
||
|
|
#define AI_NUMERICSERV 0x08
|
||
|
|
#define AI_V4MAPPED 0x10
|
||
|
|
#define AI_ALL 0x20
|
||
|
|
#define AI_ADDRCONFIG 0x40
|
||
|
|
|
||
|
|
/* input flags for structure addrinfo */
|
||
|
|
#define AI_PASSIVE 0x01
|
||
|
|
#define AI_CANONNAME 0x02
|
||
|
|
#define AI_NUMERICHOST 0x04
|
||
|
|
#define AI_NUMERICSERV 0x08
|
||
|
|
#define AI_V4MAPPED 0x10
|
||
|
|
#define AI_ALL 0x20
|
||
|
|
#define AI_ADDRCONFIG 0x40
|
||
|
|
|
||
|
|
#define DNS_MAX_NAME_LENGTH 256
|
||
|
|
|
||
|
|
struct hostent {
|
||
|
|
char *h_name; /* Official name of the host. */
|
||
|
|
char **h_aliases; /* A pointer to an array of pointers to alternative host names,
|
||
|
|
terminated by a null pointer. */
|
||
|
|
int h_addrtype; /* Address type. */
|
||
|
|
int h_length; /* The length, in bytes, of the address. */
|
||
|
|
char **h_addr_list; /* A pointer to an array of pointers to network addresses (in
|
||
|
|
network byte order) for the host, terminated by a null pointer. */
|
||
|
|
#define h_addr h_addr_list[0] /* for backward compatibility */
|
||
|
|
};
|
||
|
|
|
||
|
|
struct addrinfo {
|
||
|
|
int ai_flags; /* Input flags. */
|
||
|
|
int ai_family; /* Address family of socket. */
|
||
|
|
int ai_socktype; /* Socket type. */
|
||
|
|
int ai_protocol; /* Protocol of socket. */
|
||
|
|
socklen_t ai_addrlen; /* Length of socket address. */
|
||
|
|
struct sockaddr *ai_addr; /* Socket address of socket. */
|
||
|
|
char *ai_canonname; /* Canonical name of service location. */
|
||
|
|
struct addrinfo *ai_next; /* Pointer to next in list. */
|
||
|
|
};
|
||
|
|
|
||
|
|
struct hostent *sal_gethostbyname(const char *name);
|
||
|
|
|
||
|
|
int sal_gethostbyname_r(const char *name, struct hostent *ret, char *buf,
|
||
|
|
size_t buflen, struct hostent **result, int *h_errnop);
|
||
|
|
void sal_freeaddrinfo(struct addrinfo *ai);
|
||
|
|
int sal_getaddrinfo(const char *nodename,
|
||
|
|
const char *servname,
|
||
|
|
const struct addrinfo *hints,
|
||
|
|
struct addrinfo **res);
|
||
|
|
|
||
|
|
#endif /* SAL_NETDB_H__ */
|