acl/lib_acl/include/net/acl_res.h

#ifndef ACL_RES_INCLUDE_H
#define ACL_RES_INCLUDE_H

#ifdef __cplusplus
extern "C" {
#endif

#include "../stdlib/acl_define.h"
#include "acl_netdb.h"
#include <time.h>

#ifdef	ACL_UNIX
#include <netinet/in.h>
#include <sys/un.h>
#endif

/**
 * DNS<EFBFBD><EFBFBD><EFBFBD>ؽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ĵ洢<EFBFBD>ṹ
 */
typedef struct ACL_RES {
	char dns_ip[64];                /**< DNS<4E><53>IP<49><50>ַ */
	unsigned short dns_port;        /**< DNS<4E><53>Port */
	unsigned short cur_qid;         /**< <20>ڲ<EFBFBD><DAB2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݰ<EFBFBD><DDB0>ı<EFBFBD>ʶ */
	time_t tm_spent;                /**< <20><>ѯʱ<D1AF><CAB1><EFBFBD>ķ<EFBFBD>(<28><>) */
	int   errnum;
#define ACL_RES_ERR_SEND	-100    /**< д<><D0B4><EFBFBD><EFBFBD> */
#define ACL_RES_ERR_READ	-101    /**< <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
#define ACL_RES_ERR_RTMO	-102    /**< <20><><EFBFBD><EFBFBD>ʱ */
#define ACL_RES_ERR_NULL	-103    /**< <20>ս<EFBFBD><D5BD><EFBFBD> */
#define ACL_RES_ERR_CONN	-104    /**< TCP<43><50>ʽʱ<CABD><CAB1><EFBFBD><EFBFBD>ʧ<EFBFBD><CAA7> */

	int transfer;                   /**< TCP/UDP <20><><EFBFBD><EFBFBD>ģʽ */
#define ACL_RES_USE_UDP		0       /**< UDP <20><><EFBFBD><EFBFBD>ģʽ */
#define ACL_RES_USE_TCP		1       /**< TCP <20><><EFBFBD><EFBFBD>ģʽ */

	int   conn_timeout;             /**< TCP <20><><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD>ӳ<EFBFBD>ʱʱ<CAB1><CAB1>, Ĭ<><C4AC>Ϊ10<31><30> */
	int   rw_timeout;               /**< TCP/UDP <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>IO<49><4F>ʱʱ<CAB1><CAB1>, Ĭ<><C4AC>Ϊ10<31><30> */
} ACL_RES;

/**
 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD>DNS<EFBFBD><EFBFBD>ѯ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @param dns_ip {const char*} DNS<EFBFBD><EFBFBD>IP<EFBFBD><EFBFBD>ַ
 * @param dns_port {unsigned short} DNS<EFBFBD><EFBFBD>Port
 * @return {ACL_RES*} <EFBFBD>´<EFBFBD><EFBFBD><EFBFBD><EFBFBD>IJ<EFBFBD>ѯ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 */
ACL_API ACL_RES *acl_res_new(const char *dns_ip, unsigned short dns_port);

/**
 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD>DNS<EFBFBD><EFBFBD>ѯ<EFBFBD>ij<EFBFBD>ʱʱ<EFBFBD><EFBFBD>
 * @param conn_timeout {int} TCP <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӳ<EFBFBD>ʱʱ<EFBFBD><EFBFBD>
 * @param rw_timeout {int} TCP/UDP <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>IO<EFBFBD><EFBFBD>ʱʱ<EFBFBD><EFBFBD>
 */
ACL_API void acl_res_set_timeout(int conn_timeout, int rw_timeout);

/**
 * <EFBFBD>ͷ<EFBFBD>һ<EFBFBD><EFBFBD>DNS<EFBFBD><EFBFBD>ѯ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @param res {ACL_RES*} DNS<EFBFBD><EFBFBD>ѯ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 */
ACL_API void acl_res_free(ACL_RES *res);

/**
 * <EFBFBD><EFBFBD>ѯij<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>IP<EFBFBD><EFBFBD>ַ
 * @param res {ACL_RES*} DNS<EFBFBD><EFBFBD>ѯ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @param domain {const char*} Ҫ<EFBFBD><EFBFBD>ѯ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @return {ACL_DNS_DB*} <EFBFBD><EFBFBD>ѯ<EFBFBD>Ľ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 */
ACL_API ACL_DNS_DB *acl_res_lookup(ACL_RES *res, const char *domain);

#ifdef AF_INET6
ACL_API ACL_DNS_DB *acl_res_lookup6(ACL_RES *res, const char *domain);
#endif

/**
 * <EFBFBD><EFBFBD><EFBFBD>ݴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ż<EFBFBD><EFBFBD>ò<EFBFBD>ѯʧ<EFBFBD>ܵ<EFBFBD>ԭ<EFBFBD><EFBFBD>
 * @param errnum {int} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @return {const char*} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ
 */
ACL_API const char *acl_res_strerror(int errnum);

/**
 * <EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD>ǰ<EFBFBD><EFBFBD>ѯ<EFBFBD>Ĵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ
 * @param res {ACL_RES*} DNS<EFBFBD><EFBFBD>ѯ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @return {const char*} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ
 */
ACL_API const char *acl_res_errmsg(const ACL_RES *res);

#ifdef __cplusplus
}
#endif

#endif