/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. 

  2.  * Copyright (C) 2004, 2005, 2007, 2008  Internet Systems Consortium, Inc. ("ISC")
    3. 

  3.  * Copyright (C) 2000, 2001  Internet Software Consortium.
    4. 

  4.  *
    5. 

  5.  * Permission to use, copy, modify, and/or distribute this software for any
    6. 

  6.  * purpose with or without fee is hereby granted, provided that the above
    7. 

  7.  * copyright notice and this permission notice appear in all copies.
    8. 

  8.  *
    9. 

  9.  * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
    10. 

  10.  * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
    11. 

  11.  * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
    12. 

  12.  * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
    13. 

  13.  * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
    14. 

  14.  * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
    15. 

  15.  * PERFORMANCE OF THIS SOFTWARE.
    16. 

  16.  */
    17. 

  17. 

  18. /* $Id: context_p.h,v 1.19 2008/12/17 23:47:58 tbox Exp $ */
    19. 

  19. 

  20. #ifndef LWRES_CONTEXT_P_H
    21. 

  21. #define LWRES_CONTEXT_P_H 1
    22. 

  22. 

  23. /*! \file */
    24. 

  24. 

  25. /*@{*/
    26. 

  26. /**
    27. 

  27.  * Helper functions, assuming the context is always called "ctx" in
    28. 

  28.  * the scope these functions are called from.
    29. 

  29.  */
    30. 

  30. #define CTXMALLOC(len)		ctx->malloc(ctx->arg, (len))
    31. 

  31. #define CTXFREE(addr, len)	ctx->free(ctx->arg, (addr), (len))
    32. 

  32. /*@}*/
    33. 

  33. 

  34. #define LWRES_DEFAULT_TIMEOUT	120	/* 120 seconds for a reply */
    35. 

  35. 

  36. /**
    37. 

  37.  * Not all the attributes here are actually settable by the application at
    38. 

  38.  * this time.
    39. 

  39.  */
    40. 

  40. struct lwres_context {
    41. 

  41. 	unsigned int		timeout;	/*%< time to wait for reply */
    42. 

  42. 	lwres_uint32_t		serial;		/*%< serial number state */
    43. 

  43. 

  44. 	/*
    45. 

  45. 	 * For network I/O.
    46. 

  46. 	 */
    47. 

  47. 	int			sock;		/*%< socket to send on */
    48. 

  48. 	lwres_addr_t		address;	/*%< address to send to */
    49. 

  49. 	int			use_ipv4;	/*%< use IPv4 transaction */
    50. 

  50. 	int			use_ipv6;	/*%< use IPv6 transaction */
    51. 

  51. 

  52. 	/*@{*/
    53. 

  53. 	/*
    54. 

  54. 	 * Function pointers for allocating memory.
    55. 

  55. 	 */
    56. 

  56. 	lwres_malloc_t		malloc;
    57. 

  57. 	lwres_free_t		free;
    58. 

  58. 	void		       *arg;
    59. 

  59. 	/*@}*/
    60. 

  60. 

  61. 	/*%
    62. 

  62. 	 * resolv.conf-like data
    63. 

  63. 	 */
    64. 

  64. 	lwres_conf_t		confdata;
    65. 

  65. };
    66. 

  66. 

  67. #endif /* LWRES_CONTEXT_P_H */
    68.