dns_struct.h 2.5 KB

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  1. /*
  2. * Copyright (c) 2000-2007 Niels Provos <provos@citi.umich.edu>
  3. * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson
  4. *
  5. * Redistribution and use in source and binary forms, with or without
  6. * modification, are permitted provided that the following conditions
  7. * are met:
  8. * 1. Redistributions of source code must retain the above copyright
  9. * notice, this list of conditions and the following disclaimer.
  10. * 2. Redistributions in binary form must reproduce the above copyright
  11. * notice, this list of conditions and the following disclaimer in the
  12. * documentation and/or other materials provided with the distribution.
  13. * 3. The name of the author may not be used to endorse or promote products
  14. * derived from this software without specific prior written permission.
  15. *
  16. * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  17. * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  18. * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  19. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  20. * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  21. * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  22. * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  23. * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  24. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  25. * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26. */
  27. #ifndef EVENT2_DNS_STRUCT_H_INCLUDED_
  28. #define EVENT2_DNS_STRUCT_H_INCLUDED_
  29. /** @file event2/dns_struct.h
  30. Data structures for dns. Using these structures may hurt forward
  31. compatibility with later versions of Libevent: be careful!
  32. */
  33. #ifdef __cplusplus
  34. extern "C" {
  35. #endif
  36. #include <event2/event-config.h>
  37. #ifdef EVENT__HAVE_SYS_TYPES_H
  38. #include <sys/types.h>
  39. #endif
  40. #ifdef EVENT__HAVE_SYS_TIME_H
  41. #include <sys/time.h>
  42. #endif
  43. /* For int types. */
  44. #include <event2/util.h>
  45. /*
  46. * Structures used to implement a DNS server.
  47. */
  48. struct evdns_server_request {
  49. int flags;
  50. int nquestions;
  51. struct evdns_server_question **questions;
  52. };
  53. struct evdns_server_question {
  54. int type;
  55. #ifdef __cplusplus
  56. int dns_question_class;
  57. #else
  58. /* You should refer to this field as "dns_question_class". The
  59. * name "class" works in C for backward compatibility, and will be
  60. * removed in a future version. (1.5 or later). */
  61. int class;
  62. #define dns_question_class class
  63. #endif
  64. char name[1];
  65. };
  66. #ifdef __cplusplus
  67. }
  68. #endif
  69. #endif /* EVENT2_DNS_STRUCT_H_INCLUDED_ */