/* * Copyright (C) 2004, 2005, 2007, 2008 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 2000, 2001 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR * PERFORMANCE OF THIS SOFTWARE. */ /* $Id: context_p.h,v 1.19 2008/12/17 23:47:58 tbox Exp $ */ #ifndef LWRES_CONTEXT_P_H #define LWRES_CONTEXT_P_H 1 /*! \file */ /*@{*/ /** * Helper functions, assuming the context is always called "ctx" in * the scope these functions are called from. */ #define CTXMALLOC(len) ctx->malloc(ctx->arg, (len)) #define CTXFREE(addr, len) ctx->free(ctx->arg, (addr), (len)) /*@}*/ #define LWRES_DEFAULT_TIMEOUT 120 /* 120 seconds for a reply */ /** * Not all the attributes here are actually settable by the application at * this time. */ struct lwres_context { unsigned int timeout; /*%< time to wait for reply */ lwres_uint32_t serial; /*%< serial number state */ /* * For network I/O. */ int sock; /*%< socket to send on */ lwres_addr_t address; /*%< address to send to */ int use_ipv4; /*%< use IPv4 transaction */ int use_ipv6; /*%< use IPv6 transaction */ /*@{*/ /* * Function pointers for allocating memory. */ lwres_malloc_t malloc; lwres_free_t free; void *arg; /*@}*/ /*% * resolv.conf-like data */ lwres_conf_t confdata; }; #endif /* LWRES_CONTEXT_P_H */