/contrib/bind9/lib/lwres/context_p.h

https://bitbucket.org/freebsd/freebsd-head/ · C Header · 67 lines · 18 code · 10 blank · 39 comment · 0 complexity · c75b62b9cd5d806265ec5589492187f0 MD5 · raw file

  1. /*
  2. * Copyright (C) 2004, 2005, 2007, 2008 Internet Systems Consortium, Inc. ("ISC")
  3. * Copyright (C) 2000, 2001 Internet Software Consortium.
  4. *
  5. * Permission to use, copy, modify, and/or distribute this software for any
  6. * purpose with or without fee is hereby granted, provided that the above
  7. * copyright notice and this permission notice appear in all copies.
  8. *
  9. * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
  10. * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
  11. * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
  12. * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
  13. * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
  14. * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  15. * PERFORMANCE OF THIS SOFTWARE.
  16. */
  17. /* $Id: context_p.h,v 1.19 2008/12/17 23:47:58 tbox Exp $ */
  18. #ifndef LWRES_CONTEXT_P_H
  19. #define LWRES_CONTEXT_P_H 1
  20. /*! \file */
  21. /*@{*/
  22. /**
  23. * Helper functions, assuming the context is always called "ctx" in
  24. * the scope these functions are called from.
  25. */
  26. #define CTXMALLOC(len) ctx->malloc(ctx->arg, (len))
  27. #define CTXFREE(addr, len) ctx->free(ctx->arg, (addr), (len))
  28. /*@}*/
  29. #define LWRES_DEFAULT_TIMEOUT 120 /* 120 seconds for a reply */
  30. /**
  31. * Not all the attributes here are actually settable by the application at
  32. * this time.
  33. */
  34. struct lwres_context {
  35. unsigned int timeout; /*%< time to wait for reply */
  36. lwres_uint32_t serial; /*%< serial number state */
  37. /*
  38. * For network I/O.
  39. */
  40. int sock; /*%< socket to send on */
  41. lwres_addr_t address; /*%< address to send to */
  42. int use_ipv4; /*%< use IPv4 transaction */
  43. int use_ipv6; /*%< use IPv6 transaction */
  44. /*@{*/
  45. /*
  46. * Function pointers for allocating memory.
  47. */
  48. lwres_malloc_t malloc;
  49. lwres_free_t free;
  50. void *arg;
  51. /*@}*/
  52. /*%
  53. * resolv.conf-like data
  54. */
  55. lwres_conf_t confdata;
  56. };
  57. #endif /* LWRES_CONTEXT_P_H */