dns_private.h

   1 #ifndef __DNS_PRIVATE_H__
   2 #define __DNS_PRIVATE_H__
   3
   4 #include <sys/cdefs.h>
   5
   6 #define DNS_FLAG_DEBUG                    0x00000001
   7 #define DNS_FLAG_CHECK_RESOLVER_DIR       0x00000002
   8 #define DNS_FLAG_HAVE_IPV6_SERVER         0x00000004
   9 #define DNS_FLAG_OK_TO_SKIP_AAAA          0x00000008
  10 #define DNS_FLAG_DEFAULT_RESOLVER         0x00000010
  11 #define DNS_FLAG_FORWARD_TO_MDNSRESPONDER 0x00000020
  12
  13 typedef struct
  14 {
  15         res_state res;
  16         char *source;
  17         char *name;
  18         uint32_t search_count;
  19         char **search_list;
  20         uint16_t port;
  21         uint32_t flags;
  22         uint32_t total_timeout;
  23         uint32_t send_timeout;
  24         uint32_t search_order;
  25         uint32_t reserved1;
  26         void *reserved_pointer1;
  27 } pdns_handle_t;
  28
  29 typedef struct
  30 {
  31         pdns_handle_t *pdns_primary;
  32         uint32_t client_count;
  33         pdns_handle_t **client;
  34         uint32_t modtime;
  35         uint32_t stattime;
  36         uint32_t stat_latency;
  37         uint32_t flags;
  38         int notify_sys_config_token;
  39         int notify_dir_token;
  40         int notify_delay_token;
  41         time_t dns_delay;
  42         uint32_t reserved1;
  43         void *reserved_pointer1;
  44 } sdns_handle_t;
  45
  46 typedef struct __dns_handle_private_struct
  47 {
  48         uint32_t handle_type;
  49         sdns_handle_t *sdns;
  50         pdns_handle_t *pdns;
  51         char *recvbuf;
  52         uint32_t recvsize;
  53         uint32_t reserved1;
  54         uint32_t reserved2;
  55         void *reserved_pointer1;
  56         void *reserved_pointer2;
  57 } dns_private_handle_t;
  58
  59
  60 __BEGIN_DECLS
  61
  62 /*
  63  * Returns the number of nameserver addresses available to the input
  64  * DNS client.  Returns zero if the input handle is a "Super" DNS handle.
  65  */
  66 extern uint32_t dns_server_list_count(dns_handle_t d);
  67
  68 /*
  69  * Returns the nameserver address at the given index.  Returns NULL
  70  * if the index is out of range.  Caller should free the returned sockaddr.
  71  */
  72 extern struct sockaddr *dns_server_list_address(dns_handle_t d, uint32_t i);
  73
  74 /*
  75  * Returns a list of all server addresses for all clients.
  76  * Caller must free each list entry, and the returned list.
  77  */
  78 extern void dns_all_server_addrs(dns_handle_t d, struct sockaddr ***addrs, uint32_t *count);
  79
  80 /*
  81  * Returns the number of names in the search list.
  82  */
  83 uint32_t dns_search_list_count(dns_handle_t d);
  84
  85 __END_DECLS
  86
  87 #endif /* __DNS_PRIVATE_H__ */