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/* Copyright (c) 2014, Vsevolod Stakhov
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED ''AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef PACKET_H_
#define PACKET_H_
#include <stdbool.h>
#include <stdint.h>
#include "dns_private.h"
struct rdns_compression_entry;
/**
* Allocate dns packet suitable to handle up to `namelen` name
* @param req request
* @param namelen requested name
*/
void rdns_allocate_packet (struct rdns_request* req, unsigned int namelen);
/**
* Add basic header to the dns packet
* @param req
*/
void rdns_make_dns_header (struct rdns_request *req, unsigned int qcount);
/**
* Add a resource record to the DNS packet
* @param req request
* @param name requested name
* @param type type of resource record
*/
bool rdns_add_rr (struct rdns_request *req, const char *name, unsigned int len,
enum dns_type type, struct rdns_compression_entry **comp);
/**
* Add EDNS0 section
* @param req
*/
bool rdns_add_edns0 (struct rdns_request *req);
#endif /* PACKET_H_ */
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