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/*
* Copyright (C) 2010-2011 Mamadou Diop.
*
* Contact: Mamadou Diop <diopmamadou(at)doubango[dot]org>
*
* This file is part of Open Source Doubango Framework.
*
* DOUBANGO is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* DOUBANGO is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with DOUBANGO.
*
*/
/**@file tnet_dns_opt.c
* @brief DNS OPT pseudo-RR (RFC 2671).
*
* @author Mamadou Diop <diopmamadou(at)doubango[dot]org>
*
*/
#include "tnet_dns_opt.h"
/** Creates new DNS OPT Resource Record.
*/
tnet_dns_opt_t* tnet_dns_opt_create(tsk_size_t payload_size)
{
return tsk_object_new(tnet_dns_opt_def_t, payload_size);
}
//=================================================================================================
// [[DNS OPT]] object definition
//
static tsk_object_t* tnet_dns_opt_ctor(tsk_object_t * self, va_list * app)
{
tnet_dns_opt_t *rr_opt = self;
if(rr_opt) {
uint16_t payload_size = (uint16_t)va_arg(*app, tsk_size_t);
/* init base */
tnet_dns_rr_init(TNET_DNS_RR(rr_opt), qtype_opt, qclass_any);
/*
NAME domain name empty (root domain)
TYPE u_int16_t OPT
CLASS u_int16_t sender's UDP payload size
TTL u_int32_t extended RCODE and flags
RDLEN u_int16_t describes RDATA
RDATA octet stream {attribute,value} pairs
*/
TNET_DNS_RR(rr_opt)->qclass = payload_size;
}
return self;
}
static tsk_object_t* tnet_dns_opt_dtor(tsk_object_t * self)
{
tnet_dns_opt_t *rr_opt = self;
if(rr_opt) {
/* deinit base */
tnet_dns_rr_deinit(TNET_DNS_RR(rr_opt));
}
return self;
}
static const tsk_object_def_t tnet_dns_opt_def_s = {
sizeof(tnet_dns_opt_t),
tnet_dns_opt_ctor,
tnet_dns_opt_dtor,
tsk_null,
};
const tsk_object_def_t *tnet_dns_opt_def_t = &tnet_dns_opt_def_s;
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