doubango/tinyNET/src/dns/tnet_dns_opt.c
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 #if HAVE_CRT
 #define _CRTDBG_MAP_ALLOC 
 #include <stdlib.h> 
 #include <crtdbg.h>
 #endif //HAVE_CRT
 /*
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 * Copyright (C) 2020, University of the Basque Country (UPV/EHU)
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 * Contact for licensing options: <licensing-mcpttclient(at)mcopenplatform(dot)com>
 *
 * The original file was part of Open Source Doubango Framework
 * Copyright (C) 2010-2011 Mamadou Diop.
 * Copyright (C) 2012 Doubango Telecom <http://doubango.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;