freebsd-dev/contrib/bind9/lib/lwres/context_p.h

68 lines
1.9 KiB
C

/*
* 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 */