///*
//* 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_stun_attribute.c
// * @brief STUN2(RFC 5389) attribute parser.
// *
// * @author Mamadou Diop <diopmamadou(at)doubango[dot]org>
// *
//
// */
//#include "tnet_stun_attribute.h"
//
//#include "tnet_stun.h"
//
//#include "../tnet_types.h"
//#include "../tnet_endianness.h"
//
//#include "../turn/tnet_turn_attribute.h"
//#include "stun/tnet_stun_types.h"
//
//#include "tsk_memory.h"
//#include "tsk_string.h"
//#include "tsk_debug.h"
//
//#include <string.h>
//
//
///**@ingroup tnet_stun_group
//* RFC 5389 - 15.  STUN Attributes
//* Creates new @ref tnet_stun_attribute_def_t object.
//*/
//tnet_stun_attr_t* tnet_stun_attribute_create()
//{
//    return tsk_object_new(tnet_stun_attribute_def_t);
//}
//
///**@ingroup tnet_stun_group
//* RFC 5389 - 15.1.  MAPPED-ADDRESS.
//* Creates new @ref tnet_stun_attribute_mapped_addr_t object.
//*/
//tnet_stun_attribute_mapped_addr_t* tnet_stun_attribute_mapped_address_create(const void* payload, tsk_size_t payload_size)
//{
//    return tsk_object_new(tnet_stun_attribute_mapped_addr_def_t, payload, payload_size);
//}
//
///**@ingroup tnet_stun_group
//* RFC 5389 - 15.2.  XOR-MAPPED-ADDRESS.
//* Creates new @ref tnet_stun_attribute_xmapped_addr_t object.
//*/
//tnet_stun_attribute_xmapped_addr_t* tnet_stun_attribute_xmapped_address_create(const void* payload, tsk_size_t payload_size)
//{
//    return tsk_object_new(tnet_stun_attribute_xmapped_addr_def_t, payload, payload_size);
//}
//
///**@ingroup tnet_stun_group
//* RFC 5389 - 15.3.  USERNAME.
//* Creates new @ref tnet_stun_attribute_username_t object.
//*/
//tnet_stun_attribute_username_t* tnet_stun_attribute_username_create(const void* payload, tsk_size_t payload_size)
//{
//    return tsk_object_new(tnet_stun_attribute_username_def_t, payload, payload_size);
//}
//
///**@ingroup tnet_stun_group
//* RFC 5389 - 15.4.  MESSAGE-INTEGRITY.
//* Creates new @ref tnet_stun_attribute_integrity_t object.
//*/
//tnet_stun_attribute_integrity_t* tnet_stun_attribute_integrity_create(const void* payload, tsk_size_t payload_size)
//{
//    return tsk_object_new(tnet_stun_attribute_integrity_def_t, payload, payload_size);
//}
//
///**@ingroup tnet_stun_group
//* RFC 5389 - 15.5.  FINGERPRINT.
//* Creates new @ref tnet_stun_attribute_fingerprint_t object.
//*/
//tnet_stun_attribute_fingerprint_t* tnet_stun_attribute_fingerprint_create(uint32_t fingerprint)
//{
//    return tsk_object_new(tnet_stun_attribute_fingerprint_def_t, fingerprint);
//}
//
///**@ingroup tnet_stun_group
//* RFC 5389 - 15.6.  ERROR-CODE
//* Creates new @ref tnet_stun_attribute_errorcode_t object.
//*/
//tnet_stun_attribute_errorcode_t* tnet_stun_attribute_errorcode_create(const void* payload, tsk_size_t payload_size)
//{
//    return tsk_object_new(tnet_stun_attribute_errorcode_def_t, payload, payload_size);
//}
//
///**@ingroup tnet_stun_group
//* RFC 5389 - 15.7.  REALM.
//* Creates new @ref tnet_stun_attribute_realm_t object.
//*/
//tnet_stun_attribute_realm_t* tnet_stun_attribute_realm_create(const void* payload, tsk_size_t payload_size)
//{
//    return tsk_object_new(tnet_stun_attribute_realm_def_t, payload, payload_size);
//}
//
///**@ingroup tnet_stun_group
//* RFC 5389 - 15.8.  NONCE.
//* Creates new @ref tnet_stun_attribute_nonce_t object.
//*/
//tnet_stun_attribute_nonce_t* tnet_stun_attribute_nonce_create(const void* payload, tsk_size_t payload_size)
//{
//    return tsk_object_new(tnet_stun_attribute_nonce_def_t, payload, payload_size);
//}
//
///**@ingroup tnet_stun_group
//* RFC 5389 - 15.9.  UNKNOWN-ATTRIBUTES.
//* Creates new @ref tnet_stun_attribute_unknowns_t object.
//*/
//tnet_stun_attribute_unknowns_t* tnet_stun_attribute_unknowns_create(const void* payload, tsk_size_t payload_size)
//{
//    return tsk_object_new(tnet_stun_attribute_unknowns_def_t, payload, payload_size);
//}
//
///**@ingroup tnet_stun_group
//* RFC 5389 - 15.10.  SOFTWARE.
//* Creates new @ref tnet_stun_attribute_software_t object.
//*/
//tnet_stun_attribute_software_t* tnet_stun_attribute_software_create(const void* payload, tsk_size_t payload_size)
//{
//    return tsk_object_new(tnet_stun_attribute_software_def_t, payload, payload_size);
//}
//
///**@ingroup tnet_stun_group
//* RFC 5389 - 15.11.  ALTERNATE-SERVER.
//* Creates new @ref tnet_stun_attribute_altserver_t object.
//*/
//tnet_stun_attribute_altserver_t* tnet_stun_attribute_altserver_create(const void* payload, tsk_size_t payload_size)
//{
//    return tsk_object_new(tnet_stun_attribute_altserver_def_t, payload, payload_size);
//}
//
//
//
///**@ingroup tnet_stun_group
//* RFC 5245 - 19.1.  PRIORITY */
//tnet_stun_attribute_ice_priority_t* tnet_stun_attribute_ice_priority_create(uint32_t value)
//{
//    return tsk_object_new(tnet_stun_attribute_ice_priority_def_t, value);
//}
//
///**@ingroup tnet_stun_group
//* RFC 5245 - 19.1.  USE_CANDIDATE */
//tnet_stun_attribute_ice_use_candidate_t* tnet_stun_attribute_ice_use_candidate_create()
//{
//    return tsk_object_new(tnet_stun_attribute_ice_use_candidate_def_t);
//}
//
///**@ingroup tnet_stun_group
//* RFC 5245 - 19.1.  ICE_CONTROLLED */
//tnet_stun_attribute_ice_controlled_t* tnet_stun_attribute_ice_controlled_create(uint64_t value)
//{
//    return tsk_object_new(tnet_stun_attribute_ice_controlled_def_t, value);
//}
//
///**@ingroup tnet_stun_group
//* RFC 5245 - 19.1.  ICE_CONTROLLING */
//tnet_stun_attribute_ice_controlling_t* tnet_stun_attribute_ice_controlling_create(uint64_t value)
//{
//    return tsk_object_new(tnet_stun_attribute_ice_controlling_def_t, value);
//}
//
//
//
//
///**@ingroup tnet_stun_group
//* Creates @ref tnet_stun_attr_t from raw buffer.
//* @param data Raw buffer from which to create the STUN attribute.*
//* @param size The size of the eaw buffer.
//* @retval @ref tnet_stun_attr_t object if succeed and NULL other wise.
//*/
//tnet_stun_attr_t* tnet_stun_attribute_deserialize(const void* data, tsk_size_t size)
//{
//    tnet_stun_attr_t *attribute = 0;
//    const uint8_t* dataPtr = data;
//
//    tnet_stun_attr_type_t type = (tnet_stun_attr_type_t)tnet_ntohs_2(dataPtr);
//    uint16_t length = tnet_ntohs_2(&dataPtr[2]);
//
//    /* Check validity */
//    if(!data || size<=4/* Type(2-bytes) plus Length (2-bytes) */) {
//        return 0;
//    }
//
//    dataPtr += (2 /* Type */+ 2/* Length */);
//
//    /* Attribute Value
//    */
//
//    switch(type) {
//        /* RFC 5389 - 15.1.  MAPPED-ADDRESS */
//    case stun_mapped_address: {
//        attribute = (tnet_stun_attr_t *)tnet_stun_attribute_mapped_address_create(dataPtr, length);
//        break;
//    }
//
//    /* RFC 5389 -  15.2.  XOR-MAPPED-ADDRESS*/
//    case stun_xor_mapped_address: {
//        attribute = (tnet_stun_attr_t *)tnet_stun_attribute_xmapped_address_create(dataPtr, length);
//        break;
//    }
//
//    /* RFC 5389 -  15.3.  USERNAME*/
//    case stun_username: {
//        attribute = (tnet_stun_attr_t *)tnet_stun_attribute_username_create(dataPtr, length);
//        break;
//    }
//
//
//    /* RFC 5389 -  MESSAGE-INTEGRITY*/
//    case stun_message_integrity: {
//        if(length == TSK_SHA1_DIGEST_SIZE) {
//            attribute = (tnet_stun_attr_t *)tnet_stun_attribute_integrity_create(dataPtr, length);
//        }
//        break;
//    }
//
//    /* RFC 5389 -  15.5.  FINGERPRINT*/
//    case stun_fingerprint: {
//        uint32_t fingerprint = tnet_htonl_2(dataPtr);
//        attribute = (tnet_stun_attr_t *)tnet_stun_attribute_fingerprint_create(fingerprint);
//        break;
//    }
//
//    /* RFC 5389 -  15.6.  ERROR-CODE*/
//    case stun_error_code: {
//        attribute = (tnet_stun_attr_t *)tnet_stun_attribute_errorcode_create(dataPtr, length);
//        break;
//    }
//
//    /* RFC 5389 -  15.7.  REALM*/
//    case stun_realm: {
//        attribute = (tnet_stun_attr_t *)tnet_stun_attribute_realm_create(dataPtr, length);
//        break;
//    }
//
//    /* RFC 5389 -  15.8.  NONCE*/
//    case stun_nonce: {
//        attribute = (tnet_stun_attr_t *)tnet_stun_attribute_nonce_create(dataPtr, length);
//        break;
//    }
//
//    /* RFC 5389 -  15.9.  UNKNOWN-ATTRIBUTES*/
//    case stun_unknown_attributes: {
//        TSK_DEBUG_ERROR("DESERIALIZE:UNKNOWN-ATTRIBUTES ==> NOT IMPLEMENTED");
//        attribute = tnet_stun_attribute_create();
//        break;
//    }
//
//    /*	RFC 5389 - 15.10.  SOFTWARE */
//    case stun_software: {
//        attribute = (tnet_stun_attr_t *)tnet_stun_attribute_software_create(dataPtr, length);
//        break;
//    }
//
//    /*	RFC 5389 - 15.11.  ALTERNATE-SERVER */
//    case stun_alternate_server: {
//        attribute = (tnet_stun_attr_t *)tnet_stun_attribute_altserver_create(dataPtr, length);
//        break;
//    }
//
//    /* draft-ietf-behave-turn-16 subclause 14 */
//    case stun_channel_number:
//    case stun_lifetime:
//    case stun_reserved2:
//    case stun_xor_peer_address:
//    case stun_data:
//    case stun_xor_relayed_address:
//    case stun_even_port:
//    case stun_requested_transport:
//    case stun_dont_fragment:
//    case stun_reserved3:
//    case stun_reservation_token: {
//        //attribute = tnet_turn_attribute_deserialize(type, length, dataPtr, length);
//		attribute = 0;
//        break;
//    }
//
//    /* RFC 5245 - 19.1.  PRIORITY */
//    case stun_ice_priority: {
//        if(length >= 4) {
//            uint32_t value = dataPtr[0] << 24 | dataPtr[1] << 16 | dataPtr[2] << 8 | dataPtr[3];
//            attribute = (tnet_stun_attr_t *)tnet_stun_attribute_ice_priority_create(value);
//        }
//        break;
//    }
//    /* RFC 5245 - 19.1.  USE_CANDIDATE */
//    case stun_ice_use_candidate: {
//        attribute = (tnet_stun_attr_t *)tnet_stun_attribute_ice_use_candidate_create();
//        break;
//    }
//    /* RFC 5245 - 19.1.  ICE_CONTROLLED*/
//    case stun_ice_controlled: {
//        if(length >= 8) {
//            uint64_t value = ((((uint64_t)dataPtr[0]) << 56) | (((uint64_t)dataPtr[1]) << 48) | (((uint64_t)dataPtr[2]) << 40) | (((uint64_t)dataPtr[3]) << 32) | (((uint64_t)dataPtr[4]) << 24) | (((uint64_t)dataPtr[5]) << 16) | ((uint64_t)dataPtr[6]) << 8 | ((uint64_t)dataPtr[7]));
//            attribute = (tnet_stun_attr_t *)tnet_stun_attribute_ice_controlled_create(value);
//        }
//        break;
//    }
//    /* RFC 5245 - 19.1.  ICE_CONTROLLING*/
//    case stun_ice_controlling: {
//        if(length >= 8) {
//            uint64_t value = ((((uint64_t)dataPtr[0]) << 56) | (((uint64_t)dataPtr[1]) << 48) | (((uint64_t)dataPtr[2]) << 40) | (((uint64_t)dataPtr[3]) << 32) | (((uint64_t)dataPtr[4]) << 24) | (((uint64_t)dataPtr[5]) << 16) | ((uint64_t)dataPtr[6]) << 8 | ((uint64_t)dataPtr[7]));
//            attribute = (tnet_stun_attr_t *)tnet_stun_attribute_ice_controlling_create(value);
//        }
//        break;
//    }
//
//
//    default:
//        //TSK_DEBUG_WARN("==> NOT IMPLEMENTED");
//        break;
//    }
//
//    if(!attribute) {
//        /* Create default */
//        attribute = tnet_stun_attribute_create();
//    }
//
//    /* Set common values (Do I need this ==> already set by the constructor). */
//    attribute->type = type;
//    attribute->length = length;
//
//    return attribute;
//}
//
///**@ingroup tnet_stun_group
//* Serializes a @ref tnet_stun_attr_t objet in binary format.
//* @param attribute The STUN attribute to serialize.
//* @param output The output binary buffer.
//* @retval Zero if succeed and non-zero error code otherwise.
//*/
//int tnet_stun_attribute_serialize(const tnet_stun_attr_t* attribute, tsk_buffer_t *output)
//{
//    if(!attribute || !output) {
//        return -1;
//    }
//
//    /* Attribute Type
//    */
//    {
//        uint16_t type = tnet_htons(attribute->type);
//        tsk_buffer_append(output, &(type), 2);
//    }
//
//    /* Attribute Length
//    */
//    {
//        uint16_t length = tnet_htons(attribute->length);
//        tsk_buffer_append(output, &(length), 2);
//    }
//
//    /* Attribute Value */
//    // NEED to be refactorized
//
//    switch(attribute->type) {
//        /* RFC 5389 - 15.1.  MAPPED-ADDRESS */
//    case stun_mapped_address: {
//        uint32_t u32 = 0;
//        tnet_stun_attribute_mapped_addr_t* ma = (tnet_stun_attribute_mapped_addr_t*)attribute;
//        tsk_size_t addr_size, i;
//        uint32_t addr[4];
//
//        u32 |= (ma->family << 16);
//        u32 |= (ma->port);
//        u32 = tnet_htonl(u32);
//        tsk_buffer_append(output, &u32, 4);
//
//        addr_size = (ma->family == stun_ipv6 ? 16 : 4);
//        for(i = 0; i < addr_size; i += 4) {
//            addr[i >> 2] = tnet_htonl_2(&ma->address[i]);
//        }
//        tsk_buffer_append(output, addr, addr_size);
//
//        return 0;
//    }
//
//    /* RFC 5389 -  15.2.  XOR-MAPPED-ADDRESS*/
//    case stun_xor_mapped_address: {
//        uint32_t u32 = 0;
//        tnet_stun_attribute_xmapped_addr_t* xma = (tnet_stun_attribute_xmapped_addr_t*)attribute;
//        tsk_size_t addr_size, i;
//        uint32_t addr[4];
//
//        u32 |= (xma->family << 16);
//        u32 |= (xma->xport);
//        u32 = tnet_htonl(u32);
//        tsk_buffer_append(output, &u32, 4);
//
//        addr_size = (xma->family == stun_ipv6 ? 16 : 4);
//        for(i = 0; i < addr_size; i += 4) {
//            addr[i >> 2] = tnet_htonl_2(&xma->xaddress[i]);
//        }
//        tsk_buffer_append(output, addr, addr_size);
//        return 0;
//    }
//
//    /* RFC 5389 -  15.3.  USERNAME*/
//    case stun_username: {
//        tnet_stun_attribute_username_t *username = (tnet_stun_attribute_username_t*)attribute;
//        tsk_buffer_append(output, username->value, tsk_strlen(username->value));
//        return 0;
//    }
//
//
//    /* RFC 5389 -  MESSAGE-INTEGRITY*/
//    case stun_message_integrity: {
//        tnet_stun_attribute_integrity_t *integrity = (tnet_stun_attribute_integrity_t*)attribute;
//        tsk_buffer_append(output, integrity->sha1digest, TSK_SHA1_DIGEST_SIZE);
//        return 0;
//    }
//
//    /* RFC 5389 -  15.5.  FINGERPRINT*/
//    case stun_fingerprint: {
//        uint32_t fingerprint = /*tnet_htonl*/(((tnet_stun_attribute_fingerprint_t*)attribute)->value);
//        tsk_buffer_append(output, &fingerprint, 4);
//        return 0;
//    }
//
//    /* RFC 5389 -  15.6.  ERROR-CODE*/
//    case stun_error_code: {
//        uint32_t u32 = 0;
//        tnet_stun_attribute_errorcode_t *errorcode = (tnet_stun_attribute_errorcode_t*)attribute;
//        u32 |= (errorcode->_class & 0x07) << 8;
//        u32 |= errorcode->number;
//        u32 = tnet_htonl(u32);
//        tsk_buffer_append(output, &u32, 4);
//        tsk_buffer_append(output, errorcode->reason_phrase, tsk_strlen(errorcode->reason_phrase));
//        return 0;
//    }
//
//    /* RFC 5389 -  15.7.  REALM*/
//    case stun_realm: {
//        tnet_stun_attribute_realm_t *realm = (tnet_stun_attribute_realm_t*)attribute;
//        tsk_buffer_append(output, realm->value, tsk_strlen(realm->value));
//        return 0;
//    }
//
//    /* RFC 5389 -  15.8.  NONCE*/
//    case stun_nonce: {
//        tnet_stun_attribute_nonce_t *nonce = (tnet_stun_attribute_nonce_t*)attribute;
//        tsk_buffer_append(output, nonce->value, tsk_strlen(nonce->value));
//        return 0;
//    }
//
//    /* RFC 5389 -  15.9.  UNKNOWN-ATTRIBUTES*/
//    case stun_unknown_attributes: {
//        TSK_DEBUG_ERROR("NOT IMPLEMENTED");
//        return -3;
//    }
//
//    /*	RFC 5389 - 15.10.  SOFTWARE */
//    case stun_software: {
//        tnet_stun_attribute_software_t *software = (tnet_stun_attribute_software_t*)attribute;
//        tsk_buffer_append(output, software->value, tsk_strlen(software->value));
//        return 0;
//    }
//
//    /*	RFC 5389 - 15.11.  ALTERNATE-SERVER */
//    case stun_alternate_server: {
//        TSK_DEBUG_ERROR("NOT IMPLEMENTED");
//        return -3;
//    }
//    /* draft-ietf-behave-turn-16 - */
//    case stun_channel_number:
//    case stun_lifetime:
//    case stun_reserved2:
//    case stun_xor_peer_address:
//    case stun_data:
//    case stun_xor_relayed_address:
//    case stun_even_port:
//    case stun_requested_transport:
//    case stun_dont_fragment:
//    case stun_reserved3:
//    case stun_reservation_token: {
//        return -1;//tnet_turn_attribute_serialize(attribute, output);
//    }
//
//
//    /* RFC 5245 - 19.1.  PRIORITY */
//    case stun_ice_priority: {
//        uint32_t value = tnet_htonl(((tnet_stun_attribute_ice_priority_t*)attribute)->value);
//        tsk_buffer_append(output, &value, 4);
//        return 0;
//    }
//    /* RFC 5245 - 19.1.  USE_CANDIDATE */
//    case stun_ice_use_candidate: {
//        // no body
//        return 0;
//    }
//    /* RFC 5245 - 19.1.  ICE_CONTROLLED */
//    case stun_ice_controlled: {
//        uint64_t value = ((tnet_stun_attribute_ice_controlled_t*)attribute)->value;
//        value = ((((uint64_t)tnet_htonl(value >> 32)) << 32) | ((uint64_t)tnet_htonl(value & 0xFFFFFFFF)));
//        tsk_buffer_append(output, &value, 8);
//        return 0;
//    }
//    /* RFC 5245 - 19.1.  ICE_CONTROLLING */
//    case stun_ice_controlling: {
//        uint64_t value = ((tnet_stun_attribute_ice_controlling_t*)attribute)->value;
//        value = ((((uint64_t)tnet_htonl(value >> 32)) << 32) | ((uint64_t)tnet_htonl(value & 0xFFFFFFFF)));
//        tsk_buffer_append(output, &value, 8);
//        return 0;
//    }
//
//    default:
//        return -2;
//    }
//}
//
///**@ingroup tnet_stun_group
//* Pads a STUN attribute to align it on 4 octets.
//* @param attribute The STUN attribute to pad.
//* @param output The output buffer into which to put zeros.
//*/
//void tnet_stun_attribute_pad(const tnet_stun_attr_t* attribute, tsk_buffer_t *output)
//{
//    if(attribute->length & 0x03) {
//        static uint32_t zeros = 0x00000000;
//        tsk_buffer_append(output, &zeros, 4-(attribute->length & 0x03));
//    }
//}
//
//
//
//
////=================================================================================================
////	[[RFC 5389 - 15.  STUN Attributes]] object definition
////
//static tsk_object_t* tnet_stun_attribute_ctor(tsk_object_t * self, va_list * app)
//{
//    tnet_stun_attr_t *attribute = self;
//    if(attribute) {
//    }
//    return self;
//}
//
//static tsk_object_t* tnet_stun_attribute_dtor(tsk_object_t * self)
//{
//    tnet_stun_attr_t *attribute = self;
//    if(attribute) {
//    }
//    return self;
//}
//
//static const tsk_object_def_t tnet_stun_attribute_def_s = {
//    sizeof(tnet_stun_attr_t),
//    tnet_stun_attribute_ctor,
//    tnet_stun_attribute_dtor,
//    tsk_null,
//};
//const tsk_object_def_t *tnet_stun_attribute_def_t = &tnet_stun_attribute_def_s;
//
//
////=================================================================================================
////	[[RFC 5389 - 15.1.  MAPPED-ADDRESS]] object definition
////
//static tsk_object_t* tnet_stun_attribute_mapped_addr_ctor(tsk_object_t * self, va_list * app)
//{
//    tnet_stun_attribute_mapped_addr_t *attribute = self;
//    if(attribute) {
//        const void *payload = va_arg(*app, const void*);
//        tsk_size_t payload_size = va_arg(*app, tsk_size_t);
//
//        if(payload && payload_size) {
//            const uint8_t *payloadPtr = (const uint8_t*)payload;
//            payloadPtr += 1; /* Ignore first 8bits */
//
//            attribute->family = (tnet_stun_addr_family_t) (*(payloadPtr++));
//            attribute->port = tnet_ntohs_2(payloadPtr);
//            payloadPtr+=2;
//
//            {	/*=== Compute IP address */
//                tsk_size_t addr_size = (attribute->family == stun_ipv6) ? 16 : (attribute->family == stun_ipv4 ? 4 : 0);
//                if(addr_size) {
//                    tsk_size_t i;
//
//                    for(i=0; i<addr_size; i+=4) {
//                        // ntohl() not needed : byte per byte to avoid endianness problem
//                        attribute->address[i] = payloadPtr[0],
//                                                attribute->address[i+1] = payloadPtr[1],
//                                                        attribute->address[i+2] = payloadPtr[2],
//                                                                attribute->address[i+3] = payloadPtr[3];
//                        payloadPtr+=4;
//                    }
//                }
//                else {
//                    TSK_DEBUG_ERROR("UNKNOWN FAMILY [%u].", attribute->family);
//                }
//            }
//        }
//
//        TNET_STUN_ATTRIBUTE(attribute)->type = stun_mapped_address;
//        TNET_STUN_ATTRIBUTE(attribute)->length = payload_size;
//    }
//    return self;
//}
//
//static tsk_object_t* tnet_stun_attribute_mapped_addr_dtor(tsk_object_t * self)
//{
//    tnet_stun_attribute_mapped_addr_t *attribute = self;
//    if(attribute) {
//    }
//    return self;
//}
//
//static const tsk_object_def_t tnet_stun_attribute_mapped_addr_def_s = {
//    sizeof(tnet_stun_attribute_mapped_addr_t),
//    tnet_stun_attribute_mapped_addr_ctor,
//    tnet_stun_attribute_mapped_addr_dtor,
//    tsk_null,
//};
//const tsk_object_def_t *tnet_stun_attribute_mapped_addr_def_t = &tnet_stun_attribute_mapped_addr_def_s;
//
////=================================================================================================
////	[[RFC 5389 - 15.2.  XOR-MAPPED-ADDRESS]] object definition
////
//static tsk_object_t* tnet_stun_attribute_xmapped_addr_ctor(tsk_object_t * self, va_list * app)
//{
//    tnet_stun_attribute_xmapped_addr_t *attribute = self;
//    if(attribute) {
//        const void *payload = va_arg(*app, const void*);
//        tsk_size_t payload_size = va_arg(*app, tsk_size_t);
//
//        if(payload && payload_size) {
//            const uint8_t *payloadPtr = (const uint8_t*)payload;
//            payloadPtr += 1; /* Ignore first 8bits */
//
//            attribute->family = (tnet_stun_addr_family_t)(*(payloadPtr++));
//
//            /*	RFC 5389 - 15.2.  XOR-MAPPED-ADDRESS
//            	X-Port is computed by taking the mapped port in host byte order,
//            	XOR'ing it with the most significant 16 bits of the magic cookie, and
//            	then the converting the result to network byte order.
//            */
//            attribute->xport = tnet_ntohs_2(payloadPtr);
//            attribute->xport ^= 0x2112;
//            payloadPtr+=2;
//
//
//            {	/*=== Compute IP address */
//
//                /*	RFC 5389 - 15.2.  XOR-MAPPED-ADDRESS
//                	If the IP address family is IPv4, X-Address is computed by taking the mapped IP
//                	address in host byte order, XOR'ing it with the magic cookie, and
//                	converting the result to network byte order.
//                */
//                tsk_size_t addr_size = (attribute->family == stun_ipv6) ? 16 : (attribute->family == stun_ipv4 ? 4 : 0);
//                if(addr_size) {
//                    tsk_size_t i;
//                    uint32_t addr;
//
//                    for(i=0; i<addr_size; i+=4) {
//                        addr = tnet_ntohl(tnet_ntohl_2(payloadPtr) ^ kStunMagicCookieLong);
//                        memcpy(&attribute->xaddress[i], &addr, 4);
//                        payloadPtr+=4;
//                    }
//                }
//                else {
//                    TSK_DEBUG_ERROR("UNKNOWN FAMILY [%u].", attribute->family);
//                }
//            }
//        }
//
//        TNET_STUN_ATTRIBUTE(attribute)->type = stun_xor_mapped_address;
//        TNET_STUN_ATTRIBUTE(attribute)->length = payload_size;
//
//    }
//    return self;
//}
//
//static tsk_object_t* tnet_stun_attribute_xmapped_addr_dtor(tsk_object_t * self)
//{
//    tnet_stun_attribute_xmapped_addr_t *attribute = self;
//    if(attribute) {
//    }
//    return self;
//}
//
//static const tsk_object_def_t tnet_stun_attribute_xmapped_addr_def_s = {
//    sizeof(tnet_stun_attribute_xmapped_addr_t),
//    tnet_stun_attribute_xmapped_addr_ctor,
//    tnet_stun_attribute_xmapped_addr_dtor,
//    tsk_null,
//};
//const tsk_object_def_t *tnet_stun_attribute_xmapped_addr_def_t = &tnet_stun_attribute_xmapped_addr_def_s;
//
//
////=================================================================================================
////	[[RFC 5389 - 15.3.  USERNAME]] object definition
////
//static tsk_object_t* tnet_stun_attribute_username_ctor(tsk_object_t * self, va_list * app)
//{
//    tnet_stun_attribute_username_t *attribute = self;
//    if(attribute) {
//        const void *payload = va_arg(*app, const void*);
//        tsk_size_t payload_size = va_arg(*app, tsk_size_t);
//
//        attribute->value = tsk_strndup(payload, payload_size);
//
//        TNET_STUN_ATTRIBUTE(attribute)->type = stun_username;
//        TNET_STUN_ATTRIBUTE(attribute)->length = payload_size;
//    }
//    return self;
//}
//
//static tsk_object_t* tnet_stun_attribute_username_dtor(tsk_object_t * self)
//{
//    tnet_stun_attribute_username_t *attribute = self;
//    if(attribute) {
//        TSK_FREE(attribute->value);
//    }
//    return self;
//}
//
//static const tsk_object_def_t tnet_stun_attribute_username_def_s = {
//    sizeof(tnet_stun_attribute_username_t),
//    tnet_stun_attribute_username_ctor,
//    tnet_stun_attribute_username_dtor,
//    tsk_null,
//};
//const tsk_object_def_t *tnet_stun_attribute_username_def_t = &tnet_stun_attribute_username_def_s;
//
//
////=================================================================================================
////	[[RFC 5389 - 15.4.  MESSAGE-INTEGRITY]] object definition
////
//static tsk_object_t* tnet_stun_attribute_integrity_ctor(tsk_object_t * self, va_list * app)
//{
//    tnet_stun_attribute_integrity_t *attribute = self;
//    if(attribute) {
//        const void *payload = va_arg(*app, const void*);
//        tsk_size_t payload_size = va_arg(*app, tsk_size_t);
//
//        if(payload_size == TSK_SHA1_DIGEST_SIZE) {
//            memcpy(attribute->sha1digest, payload, TSK_SHA1_DIGEST_SIZE);
//
//            TNET_STUN_ATTRIBUTE(attribute)->type = stun_message_integrity;
//            TNET_STUN_ATTRIBUTE(attribute)->length = TSK_SHA1_DIGEST_SIZE;
//        }
//    }
//    return self;
//}
//
//static tsk_object_t* tnet_stun_attribute_integrity_dtor(tsk_object_t * self)
//{
//    tnet_stun_attribute_integrity_t *attribute = self;
//    if(attribute) {
//    }
//    return self;
//}
//
//static const tsk_object_def_t tnet_stun_attribute_integrity_def_s = {
//    sizeof(tnet_stun_attribute_integrity_t),
//    tnet_stun_attribute_integrity_ctor,
//    tnet_stun_attribute_integrity_dtor,
//    tsk_null,
//};
//const tsk_object_def_t *tnet_stun_attribute_integrity_def_t = &tnet_stun_attribute_integrity_def_s;
//
//
////=================================================================================================
////	[[RFC 5389 - 15.5.  FINGERPRINT]] object definition
////
//static tsk_object_t* tnet_stun_attribute_fingerprint_ctor(tsk_object_t * self, va_list * app)
//{
//    tnet_stun_attribute_fingerprint_t *attribute = self;
//    if(attribute) {
//        attribute->value = va_arg(*app, uint32_t);
//
//        TNET_STUN_ATTRIBUTE(attribute)->type = stun_fingerprint;
//        TNET_STUN_ATTRIBUTE(attribute)->length = 4;
//    }
//    return self;
//}
//
//static tsk_object_t* tnet_stun_attribute_fingerprint_dtor(tsk_object_t * self)
//{
//    tnet_stun_attribute_fingerprint_t *attribute = self;
//    if(attribute) {
//    }
//    return self;
//}
//
//static const tsk_object_def_t tnet_stun_attribute_fingerprint_def_s = {
//    sizeof(tnet_stun_attribute_fingerprint_t),
//    tnet_stun_attribute_fingerprint_ctor,
//    tnet_stun_attribute_fingerprint_dtor,
//    tsk_null,
//};
//const tsk_object_def_t *tnet_stun_attribute_fingerprint_def_t = &tnet_stun_attribute_fingerprint_def_s;
//
//
//
////=================================================================================================
////	[[RFC 5389 - 15.6.  ERROR-CODE]] object definition
////
//static tsk_object_t* tnet_stun_attribute_errorcode_ctor(tsk_object_t * self, va_list * app)
//{
//    tnet_stun_attribute_errorcode_t *attribute = self;
//    if(attribute) {
//        const uint8_t *payload = (const uint8_t*)va_arg(*app, const void*);
//        tsk_size_t payload_size = va_arg(*app, tsk_size_t);
//
//        if(payload_size >4) {
//            uint32_t code = tnet_htonl_2(payload);
//            payload += 4;
//
//            attribute->_class = code >>8;
//            attribute->number = (code & 0xFF);
//            attribute->reason_phrase = tsk_strndup((const char*)payload, (payload_size-4));
//        }
//
//        TNET_STUN_ATTRIBUTE(attribute)->type = stun_error_code;
//        TNET_STUN_ATTRIBUTE(attribute)->length = payload_size;
//    }
//    return self;
//}
//
//static tsk_object_t* tnet_stun_attribute_errorcode_dtor(tsk_object_t * self)
//{
//    tnet_stun_attribute_errorcode_t *attribute = self;
//    if(attribute) {
//        TSK_FREE(attribute->reason_phrase);
//    }
//    return self;
//}
//
//static const tsk_object_def_t tnet_stun_attribute_errorcode_def_s = {
//    sizeof(tnet_stun_attribute_errorcode_t),
//    tnet_stun_attribute_errorcode_ctor,
//    tnet_stun_attribute_errorcode_dtor,
//    tsk_null,
//};
//const tsk_object_def_t *tnet_stun_attribute_errorcode_def_t = &tnet_stun_attribute_errorcode_def_s;
//
//
////=================================================================================================
////	[[RFC 5389 - 15.7.  REALM]] object definition
////
//static tsk_object_t* tnet_stun_attribute_realm_ctor(tsk_object_t * self, va_list * app)
//{
//    tnet_stun_attribute_realm_t *attribute = self;
//    if(attribute) {
//        const void *payload = va_arg(*app, const void*);
//        tsk_size_t payload_size = va_arg(*app, tsk_size_t);
//
//        attribute->value = tsk_strndup(payload, payload_size);
//
//        TNET_STUN_ATTRIBUTE(attribute)->type = stun_realm;
//        TNET_STUN_ATTRIBUTE(attribute)->length = payload_size;
//    }
//    return self;
//}
//
//static tsk_object_t* tnet_stun_attribute_realm_dtor(tsk_object_t * self)
//{
//    tnet_stun_attribute_realm_t *attribute = self;
//    if(attribute) {
//        TSK_FREE(attribute->value);
//    }
//    return self;
//}
//
//static const tsk_object_def_t tnet_stun_attribute_realm_def_s = {
//    sizeof(tnet_stun_attribute_realm_t),
//    tnet_stun_attribute_realm_ctor,
//    tnet_stun_attribute_realm_dtor,
//    tsk_null,
//};
//const tsk_object_def_t *tnet_stun_attribute_realm_def_t = &tnet_stun_attribute_realm_def_s;
//
//
////=================================================================================================
////	[[RFC 5389 - 15.8.  NONCE]] object definition
////
//static tsk_object_t* tnet_stun_attribute_nonce_ctor(tsk_object_t * self, va_list * app)
//{
//    tnet_stun_attribute_nonce_t *attribute = self;
//    if(attribute) {
//        const void *payload = va_arg(*app, const void*);
//        tsk_size_t payload_size = va_arg(*app, tsk_size_t);
//
//        attribute->value = tsk_strndup(payload, payload_size);
//
//        TNET_STUN_ATTRIBUTE(attribute)->type = stun_nonce;
//        TNET_STUN_ATTRIBUTE(attribute)->length = payload_size;
//    }
//    return self;
//}
//
//static tsk_object_t* tnet_stun_attribute_nonce_dtor(tsk_object_t * self)
//{
//    tnet_stun_attribute_nonce_t *attribute = self;
//    if(attribute) {
//        TSK_FREE(attribute->value);
//    }
//    return self;
//}
//
//static const tsk_object_def_t tnet_stun_attribute_nonce_def_s = {
//    sizeof(tnet_stun_attribute_nonce_t),
//    tnet_stun_attribute_nonce_ctor,
//    tnet_stun_attribute_nonce_dtor,
//    tsk_null,
//};
//const tsk_object_def_t *tnet_stun_attribute_nonce_def_t = &tnet_stun_attribute_nonce_def_s;
//
//
////=================================================================================================
////	[[RFC 5389 - 15.9.  UNKNOWN-ATTRIBUTES]] object definition
////
//static tsk_object_t* tnet_stun_attribute_unknowns_ctor(tsk_object_t * self, va_list * app)
//{
//    tnet_stun_attribute_unknowns_t *attribute = self;
//    if(attribute) {
//        //--const void *payload = va_arg(*app, const void*);
//        //--tsk_size_t payload_size = va_arg(*app, tsk_size_t);
//
//        TNET_STUN_ATTRIBUTE(attribute)->type = stun_unknown_attributes;
//        attribute->value = tsk_buffer_create_null();
//    }
//    return self;
//}
//
//static tsk_object_t* tnet_stun_attribute_unknowns_dtor(tsk_object_t * self)
//{
//    tnet_stun_attribute_unknowns_t *attribute = self;
//    if(attribute) {
//        TSK_OBJECT_SAFE_FREE(attribute->value);
//    }
//    return self;
//}
//
//static const tsk_object_def_t tnet_stun_attribute_unknowns_def_s = {
//    sizeof(tnet_stun_attribute_unknowns_t),
//    tnet_stun_attribute_unknowns_ctor,
//    tnet_stun_attribute_unknowns_dtor,
//    tsk_null,
//};
//const tsk_object_def_t *tnet_stun_attribute_unknowns_def_t = &tnet_stun_attribute_unknowns_def_s;
//
////=================================================================================================
////	[[RFC 5389 - 15.10.  SOFTWARE]] object definition
////
//static tsk_object_t* tnet_stun_attribute_software_ctor(tsk_object_t * self, va_list * app)
//{
//    tnet_stun_attribute_software_t *attribute = self;
//    if(attribute) {
//        const void *payload = va_arg(*app, const void*);
//        tsk_size_t payload_size = va_arg(*app, tsk_size_t);
//
//        TNET_STUN_ATTRIBUTE(attribute)->type = stun_software;
//
//        attribute->value = tsk_strndup(payload, payload_size);
//        TNET_STUN_ATTRIBUTE(attribute)->length = tsk_strlen(attribute->value);
//    }
//    return self;
//}
//
//static tsk_object_t* tnet_stun_attribute_software_dtor(tsk_object_t * self)
//{
//    tnet_stun_attribute_software_t *attribute = self;
//    if(attribute) {
//        TSK_FREE(attribute->value);
//    }
//    return self;
//}
//
//static const tsk_object_def_t tnet_stun_attribute_software_def_s = {
//    sizeof(tnet_stun_attribute_software_t),
//    tnet_stun_attribute_software_ctor,
//    tnet_stun_attribute_software_dtor,
//    tsk_null,
//};
//const tsk_object_def_t *tnet_stun_attribute_software_def_t = &tnet_stun_attribute_software_def_s;
//
////=================================================================================================
////	[[RFC 5389 - 15.11.  ALTERNATE-SERVER]] object definition
////
//static tsk_object_t* tnet_stun_attribute_altserver_ctor(tsk_object_t * self, va_list * app)
//{
//    tnet_stun_attribute_altserver_t *attribute = self;
//    if(attribute) {
//        const void *payload = va_arg(*app, const void*);
//        tsk_size_t payload_size = va_arg(*app, tsk_size_t);
//
//        const uint8_t *payloadPtr = (const uint8_t*)payload;
//        payloadPtr += 1; /* Ignore first 8bits */
//
//        TNET_STUN_ATTRIBUTE(attribute)->type = stun_alternate_server;
//        TNET_STUN_ATTRIBUTE(attribute)->length = payload_size;
//
//        attribute->family = (tnet_stun_addr_family_t) (*(payloadPtr++));
//        attribute->port = tnet_ntohs_2(payloadPtr);
//        payloadPtr+=2;
//
//        if(attribute->family == stun_ipv4) {
//            uint32_t addr = tnet_htonl_2(payloadPtr);
//            memcpy(attribute->server, &addr, 4);
//            payloadPtr+=4;
//        }
//        else if(attribute->family == stun_ipv6) {
//            TSK_DEBUG_ERROR("IPv6 not supported yet.");
//        }
//        else {
//            TSK_DEBUG_ERROR("UNKNOWN FAMILY.");
//        }
//    }
//    return self;
//}
//
//static tsk_object_t* tnet_stun_attribute_altserver_dtor(tsk_object_t * self)
//{
//    tnet_stun_attribute_altserver_t *attribute = self;
//    if(attribute) {
//    }
//    return self;
//}
//
//static const tsk_object_def_t tnet_stun_attribute_altserver_def_s = {
//    sizeof(tnet_stun_attribute_altserver_t),
//    tnet_stun_attribute_altserver_ctor,
//    tnet_stun_attribute_altserver_dtor,
//    tsk_null,
//};
//const tsk_object_def_t *tnet_stun_attribute_altserver_def_t = &tnet_stun_attribute_altserver_def_s;
//
//
////=================================================================================================
////	[[RFC 5245 - 19.1.  PRIORITY]] object definition
////
//static tsk_object_t* tnet_stun_attribute_ice_priority_ctor(tsk_object_t * self, va_list * app)
//{
//    tnet_stun_attribute_ice_priority_t *attribute = self;
//    if(attribute) {
//        attribute->value = va_arg(*app, uint32_t);
//
//        TNET_STUN_ATTRIBUTE(attribute)->type = stun_ice_priority;
//        TNET_STUN_ATTRIBUTE(attribute)->length = 4;
//    }
//    return self;
//}
//
//static tsk_object_t* tnet_stun_attribute_ice_priority_dtor(tsk_object_t * self)
//{
//    tnet_stun_attribute_ice_priority_t *attribute = self;
//    if(attribute) {
//    }
//    return self;
//}
//
//static const tsk_object_def_t tnet_stun_attribute_ice_priority_def_s = {
//    sizeof(tnet_stun_attribute_ice_priority_t),
//    tnet_stun_attribute_ice_priority_ctor,
//    tnet_stun_attribute_ice_priority_dtor,
//    tsk_null,
//};
//const tsk_object_def_t *tnet_stun_attribute_ice_priority_def_t = &tnet_stun_attribute_ice_priority_def_s;
//
//
////=================================================================================================
////	[[RFC 5245 - 19.1.  USE-CANDIDATE]] object definition
////
//static tsk_object_t* tnet_stun_attribute_ice_use_candidate_ctor(tsk_object_t * self, va_list * app)
//{
//    tnet_stun_attribute_ice_use_candidate_t *attribute = self;
//    if(attribute) {
//        TNET_STUN_ATTRIBUTE(attribute)->type = stun_ice_use_candidate;
//        TNET_STUN_ATTRIBUTE(attribute)->length = 0;
//    }
//    return self;
//}
//
//static tsk_object_t* tnet_stun_attribute_ice_use_candidate_dtor(tsk_object_t * self)
//{
//    tnet_stun_attribute_ice_use_candidate_t *attribute = self;
//    if(attribute) {
//    }
//    return self;
//}
//
//static const tsk_object_def_t tnet_stun_attribute_ice_use_candidate_def_s = {
//    sizeof(tnet_stun_attribute_ice_use_candidate_t),
//    tnet_stun_attribute_ice_use_candidate_ctor,
//    tnet_stun_attribute_ice_use_candidate_dtor,
//    tsk_null,
//};
//const tsk_object_def_t *tnet_stun_attribute_ice_use_candidate_def_t = &tnet_stun_attribute_ice_use_candidate_def_s;
//
//
////=================================================================================================
////	[[RFC 5245 - 19.1.  ICE-CONTROLLED]] object definition
////
//static tsk_object_t* tnet_stun_attribute_ice_controlled_ctor(tsk_object_t * self, va_list * app)
//{
//    tnet_stun_attribute_ice_controlled_t *attribute = self;
//    if(attribute) {
//        attribute->value = va_arg(*app, uint64_t);
//
//        TNET_STUN_ATTRIBUTE(attribute)->type = stun_ice_controlled;
//        TNET_STUN_ATTRIBUTE(attribute)->length = 8;
//    }
//    return self;
//}
//
//static tsk_object_t* tnet_stun_attribute_ice_controlled_dtor(tsk_object_t * self)
//{
//    tnet_stun_attribute_ice_controlled_t *attribute = self;
//    if(attribute) {
//    }
//    return self;
//}
//
//static const tsk_object_def_t tnet_stun_attribute_ice_controlled_def_s = {
//    sizeof(tnet_stun_attribute_ice_controlled_t),
//    tnet_stun_attribute_ice_controlled_ctor,
//    tnet_stun_attribute_ice_controlled_dtor,
//    tsk_null,
//};
//const tsk_object_def_t *tnet_stun_attribute_ice_controlled_def_t = &tnet_stun_attribute_ice_controlled_def_s;
//
//
//
////=================================================================================================
////	[[RFC 5245 - 19.1.  ICE-CONTROLLING]] object definition
////
//static tsk_object_t* tnet_stun_attribute_ice_controlling_ctor(tsk_object_t * self, va_list * app)
//{
//    tnet_stun_attribute_ice_controlling_t *attribute = self;
//    if(attribute) {
//        attribute->value = va_arg(*app, uint64_t);
//
//        TNET_STUN_ATTRIBUTE(attribute)->type = stun_ice_controlling;
//        TNET_STUN_ATTRIBUTE(attribute)->length = 8;
//    }
//    return self;
//}
//
//static tsk_object_t* tnet_stun_attribute_ice_controlling_dtor(tsk_object_t * self)
//{
//    tnet_stun_attribute_ice_controlling_t *attribute = self;
//    if(attribute) {
//    }
//    return self;
//}
//
//static const tsk_object_def_t tnet_stun_attribute_ice_controlling_def_s = {
//    sizeof(tnet_stun_attribute_ice_controlling_t),
//    tnet_stun_attribute_ice_controlling_ctor,
//    tnet_stun_attribute_ice_controlling_dtor,
//    tsk_null,
//};
//const tsk_object_def_t *tnet_stun_attribute_ice_controlling_def_t = &tnet_stun_attribute_ice_controlling_def_s;