dns_private.h

   1 #ifndef __DNS_PRIVATE_H__
   2 #define __DNS_PRIVATE_H__
   3
   4 #include <sys/cdefs.h>
   5
   6 #define MDNS_HANDLE_NAME "*MDNS*"
   7
   8 #define DNS_FLAG_DEBUG                    0x00000001
   9 #define DNS_FLAG_CHECK_RESOLVER_DIR       0x00000002
  10 #define DNS_FLAG_HAVE_IPV6_SERVER         0x00000004
  11 #define DNS_FLAG_OK_TO_SKIP_AAAA          0x00000008
  12 #define DNS_FLAG_DEFAULT_RESOLVER         0x00000010
  13 #define DNS_FLAG_FORWARD_TO_MDNSRESPONDER 0x00000020
  14
  15 typedef struct
  16 {
  17         res_state res;
  18         char *source;
  19         char *name;
  20         uint32_t search_count;
  21         char **search_list;
  22         uint16_t port;
  23         uint32_t flags;
  24         uint32_t total_timeout;
  25         uint32_t send_timeout;
  26         uint32_t search_order;
  27         uint32_t reserved1;
  28         void *reserved_pointer1;
  29 } pdns_handle_t;
  30
  31 typedef struct
  32 {
  33         pdns_handle_t *pdns_primary;
  34         uint32_t client_count;
  35         pdns_handle_t **client;
  36         uint32_t modtime;
  37         uint32_t stattime;
  38         uint32_t stat_latency;
  39         uint32_t flags;
  40         int notify_sys_config_token;
  41         int notify_dir_token;
  42         int notify_delay_token;
  43         time_t dns_delay;
  44         uint32_t reserved1;
  45         void *reserved_pointer1;
  46 } sdns_handle_t;
  47
  48 typedef struct __dns_handle_private_struct
  49 {
  50         uint32_t handle_type;
  51         sdns_handle_t *sdns;
  52         pdns_handle_t *pdns;
  53         char *recvbuf;
  54         uint32_t recvsize;
  55         uint32_t reserved1;
  56         uint32_t reserved2;
  57         void *reserved_pointer1;
  58         void *reserved_pointer2;
  59 } dns_private_handle_t;
  60
  61
  62 __BEGIN_DECLS
  63
  64 /*
  65  * Returns the number of nameserver addresses available to the input
  66  * DNS client.  Returns zero if the input handle is a "Super" DNS handle.
  67  */
  68 extern uint32_t dns_server_list_count(dns_handle_t d);
  69
  70 /*
  71  * Returns the nameserver address at the given index.  Returns NULL
  72  * if the index is out of range.  Caller should free the returned sockaddr.
  73  */
  74 extern struct sockaddr *dns_server_list_address(dns_handle_t d, uint32_t i);
  75
  76 /*
  77  * Returns a list of all server addresses for all clients.
  78  * Caller must free each list entry, and the returned list.
  79  */
  80 extern void dns_all_server_addrs(dns_handle_t d, struct sockaddr ***addrs, uint32_t *count);
  81
  82 /*
  83  * Returns the number of names in the search list.
  84  */
  85 uint32_t dns_search_list_count(dns_handle_t d);
  86
  87 __END_DECLS
  88
  89 #endif /* __DNS_PRIVATE_H__ */