1 /* $NetBSD: context_p.h,v 1.4 2014/12/10 04:38:02 christos Exp $ */ 2 3 /* 4 * Copyright (C) 2004, 2005, 2007, 2008 Internet Systems Consortium, Inc. ("ISC") 5 * Copyright (C) 2000, 2001 Internet Software Consortium. 6 * 7 * Permission to use, copy, modify, and/or distribute this software for any 8 * purpose with or without fee is hereby granted, provided that the above 9 * copyright notice and this permission notice appear in all copies. 10 * 11 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH 12 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY 13 * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, 14 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM 15 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE 16 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 17 * PERFORMANCE OF THIS SOFTWARE. 18 */ 19 20 /* Id: context_p.h,v 1.19 2008/12/17 23:47:58 tbox Exp */ 21 22 #ifndef LWRES_CONTEXT_P_H 23 #define LWRES_CONTEXT_P_H 1 24 25 /*! \file */ 26 27 /*@{*/ 28 /** 29 * Helper functions, assuming the context is always called "ctx" in 30 * the scope these functions are called from. 31 */ 32 #define CTXMALLOC(len) ctx->malloc(ctx->arg, (len)) 33 #define CTXFREE(addr, len) ctx->free(ctx->arg, (addr), (len)) 34 /*@}*/ 35 36 #define LWRES_DEFAULT_TIMEOUT 120 /* 120 seconds for a reply */ 37 38 /** 39 * Not all the attributes here are actually settable by the application at 40 * this time. 41 */ 42 struct lwres_context { 43 unsigned int timeout; /*%< time to wait for reply */ 44 lwres_uint32_t serial; /*%< serial number state */ 45 46 /* 47 * For network I/O. 48 */ 49 int sock; /*%< socket to send on */ 50 lwres_addr_t address; /*%< address to send to */ 51 int use_ipv4; /*%< use IPv4 transaction */ 52 int use_ipv6; /*%< use IPv6 transaction */ 53 54 /*@{*/ 55 /* 56 * Function pointers for allocating memory. 57 */ 58 lwres_malloc_t malloc; 59 lwres_free_t free; 60 void *arg; 61 /*@}*/ 62 63 /*% 64 * resolv.conf-like data 65 */ 66 lwres_conf_t confdata; 67 }; 68 69 #endif /* LWRES_CONTEXT_P_H */ 70