headers/private/net/dns_resolver.h

   1 /*
   2  * Copyright 2012 Haiku, Inc. All rights reserved.
   3  * Distributed under the terms of the MIT License.
   4  *
   5  * Authors:
   6  *              Paweł Dziepak, pdziepak@quarnos.org
   7  */
   8 #ifndef DNS_RESOLVER_H
   9 #define DNS_RESOLVER_H
  10
  11
  12 #include <netdb.h>
  13 #include <stdlib.h>
  14
  15 #include <module.h>
  16
  17
  18 #define DNS_RESOLVER_MODULE_NAME        "network/dns_resolver/v1"
  19
  20
  21 struct dns_resolver_module {
  22         module_info module;
  23         status_t (*getaddrinfo)(const char* node, const char* service,
  24                 const struct addrinfo* hints, struct addrinfo** res);
  25 };
  26
  27
  28 static inline int
  29 kgetaddrinfo(const char* node, const char* service,
  30         const struct addrinfo* hints, struct addrinfo** res)
  31 {
  32         dns_resolver_module* dns;
  33         status_t result = get_module(DNS_RESOLVER_MODULE_NAME,
  34                 reinterpret_cast<module_info**>(&dns));
  35         if (result != B_OK)
  36                 return result;
  37
  38         result = dns->getaddrinfo(node, service, hints, res);
  39
  40         put_module(DNS_RESOLVER_MODULE_NAME);
  41
  42         return result;
  43 }
  44
  45
  46 static inline void
  47 kfreeaddrinfo(struct addrinfo* res)
  48 {
  49         free(res);
  50 }
  51
  52
  53 #define getaddrinfo             kgetaddrinfo
  54 #define freeaddrinfo    kfreeaddrinfo
  55
  56
  57 #endif  //      DNS_RESOLVER_H
  58