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- /*
- * 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__ */
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