context_p.h revision 0c27b3fe77ac1d5094ba3521e8142d9e7973133f
/*
* Copyright (C) 2000, 2001, 2004, 2005, 2007, 2008, 2016 Internet Systems Consortium, Inc. ("ISC")
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
/* $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 */