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/*
* Author: Sven Gothel <sgothel@jausoft.com>
* Copyright (c) 2020 Gothel Software e.K.
* Copyright (c) 2020 ZAFENA AB
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <jau/debug.hpp>
#include "UUID.hpp"
using namespace direct_bt;
// BASE_UUID '00000000-0000-1000-8000-00805F9B34FB'
static uint8_t bt_base_uuid_be[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00,
0x80, 0x00, 0x00, 0x80, 0x5F, 0x9B, 0x34, 0xFB };
uuid128_t direct_bt::BT_BASE_UUID( bt_base_uuid_be, 0, false );
uuid_t::TypeSize uuid_t::toTypeSize(const int size) {
switch( static_cast<TypeSize>(size) ) {
case TypeSize::UUID16_SZ: return TypeSize::UUID16_SZ;
case TypeSize::UUID32_SZ: return TypeSize::UUID32_SZ;
case TypeSize::UUID128_SZ: return TypeSize::UUID128_SZ;
}
throw jau::IllegalArgumentException("Given size "+std::to_string(size)+", not matching uuid16_t, uuid32_t or uuid128_t", E_FILE_LINE);
}
std::shared_ptr<const uuid_t> uuid_t::create(TypeSize t, uint8_t const * const buffer, int const byte_offset, bool littleEndian) {
if( TypeSize::UUID16_SZ == t ) {
return std::shared_ptr<const uuid_t>(new uuid16_t(buffer, byte_offset, littleEndian));
} else if( TypeSize::UUID32_SZ == t ) {
return std::shared_ptr<const uuid_t>(new uuid32_t(buffer, byte_offset, littleEndian));
} else if( TypeSize::UUID128_SZ == t ) {
return std::shared_ptr<const uuid_t>(new uuid128_t(buffer, byte_offset, littleEndian));
}
throw jau::IllegalArgumentException("Unknown Type "+std::to_string(static_cast<int>(t)), E_FILE_LINE);
}
uuid128_t uuid_t::toUUID128(uuid128_t const & base_uuid, int const uuid32_le_octet_index) const noexcept {
switch(type) {
case TypeSize::UUID16_SZ: return uuid128_t(*((uuid16_t*)this), base_uuid, uuid32_le_octet_index);
case TypeSize::UUID32_SZ: return uuid128_t(*((uuid32_t*)this), base_uuid, uuid32_le_octet_index);
case TypeSize::UUID128_SZ: return uuid128_t(*((uuid128_t*)this));
}
ABORT("Unknown Type %d", static_cast<int>(type));
abort(); // never reached
}
std::string uuid_t::toUUID128String(uuid128_t const & base_uuid, int const le_octet_index) const noexcept {
(void)base_uuid;
(void)le_octet_index;
return "";
}
uuid128_t::uuid128_t(uuid16_t const & uuid16, uuid128_t const & base_uuid, int const uuid16_le_octet_index) noexcept
: uuid_t(TypeSize::UUID128_SZ), value(merge_uint128(uuid16.value, base_uuid.value, uuid16_le_octet_index)) {}
uuid128_t::uuid128_t(uuid32_t const & uuid32, uuid128_t const & base_uuid, int const uuid32_le_octet_index) noexcept
: uuid_t(TypeSize::UUID128_SZ), value(merge_uint128(uuid32.value, base_uuid.value, uuid32_le_octet_index)) {}
std::string uuid16_t::toString() const noexcept {
const int length = 4;
std::string str;
str.reserve(length+1); // including EOS for snprintf
str.resize(length);
const int count = snprintf(&str[0], str.capacity(), "%.4x", value);
if( length != count ) {
ABORT("UUID16 string not of length %d but %d", length, count);
}
return str;
}
std::string uuid16_t::toUUID128String(uuid128_t const & base_uuid, int const le_octet_index) const noexcept
{
uuid128_t u128(*this, base_uuid, le_octet_index);
return u128.toString();
}
std::string uuid32_t::toString() const noexcept {
const int length = 8;
std::string str;
str.reserve(length+1); // including EOS for snprintf
str.resize(length);
const int count = snprintf(&str[0], str.capacity(), "%.8x", value);
if( length != count ) {
ABORT("UUID32 string not of length %d but %d", length, count);
}
return str;
}
std::string uuid32_t::toUUID128String(uuid128_t const & base_uuid, int const le_octet_index) const noexcept
{
uuid128_t u128(*this, base_uuid, le_octet_index);
return u128.toString();
}
std::string uuid128_t::toString() const noexcept {
// 87654321-0000-1000-8000-00805F9B34FB
// 0 1 2 3 4 5
// LE: low-mem - FB349B5F0800-0080-0010-0000-12345678 - high-mem
// 5 4 3 2 1 0
//
// BE: low-mem - 87654321-0000-1000-8000-00805F9B34FB - high-mem
// 0 1 2 3 4 5
//
const int length = 36;
std::string str;
str.reserve(length+1); // including EOS for snprintf
str.resize(length);
uint32_t part0, part4;
uint16_t part1, part2, part3, part5;
// snprintf uses host data type, in which values are stored,
// hence no endian conversion
#if __BYTE_ORDER == __BIG_ENDIAN
part0 = jau::get_uint32(value.data, 0);
part1 = jau::get_uint16(value.data, 4);
part2 = jau::get_uint16(value.data, 6);
part3 = jau::get_uint16(value.data, 8);
part4 = jau::get_uint32(value.data, 10);
part5 = jau::get_uint16(value.data, 14);
#elif __BYTE_ORDER == __LITTLE_ENDIAN
part5 = jau::get_uint16(value.data, 0);
part4 = jau::get_uint32(value.data, 2);
part3 = jau::get_uint16(value.data, 6);
part2 = jau::get_uint16(value.data, 8);
part1 = jau::get_uint16(value.data, 10);
part0 = jau::get_uint32(value.data, 12);
#else
#error "Unexpected __BYTE_ORDER"
#endif
const int count = snprintf(&str[0], str.capacity(), "%.8x-%.4x-%.4x-%.4x-%.8x%.4x",
part0, part1, part2, part3, part4, part5);
if( length != count ) {
ABORT("UUID128 string not of length %d but %d", length, count);
}
return str;
}
uuid128_t::uuid128_t(const std::string str)
: uuid_t(TypeSize::UUID128_SZ)
{
uint32_t part0, part4;
uint16_t part1, part2, part3, part5;
if( 36 != str.length() ) {
std::string msg("UUID128 string not of length 36 but ");
msg.append(std::to_string(str.length()));
msg.append(": "+str);
throw jau::IllegalArgumentException(msg, E_FILE_LINE);
}
if ( sscanf(str.c_str(), "%08x-%04hx-%04hx-%04hx-%08x%04hx",
&part0, &part1, &part2, &part3, &part4, &part5) != 6 )
{
std::string msg("UUID128 string not in format '00000000-0000-1000-8000-00805F9B34FB' but "+str);
throw jau::IllegalArgumentException(msg, E_FILE_LINE);
}
// sscanf provided host data type, in which we store the values,
// hence no endian conversion
#if __BYTE_ORDER == __BIG_ENDIAN
jau::put_uint32(value.data, 0, part0);
jau::put_uint16(value.data, 4, part1);
jau::put_uint16(value.data, 6, part2);
jau::put_uint16(value.data, 8, part3);
jau::put_uint32(value.data, 10, part4);
jau::put_uint16(value.data, 14, part5);
#elif __BYTE_ORDER == __LITTLE_ENDIAN
jau::put_uint16(value.data, 0, part5);
jau::put_uint32(value.data, 2, part4);
jau::put_uint16(value.data, 6, part3);
jau::put_uint16(value.data, 8, part2);
jau::put_uint16(value.data, 10, part1);
jau::put_uint32(value.data, 12, part0);
#else
#error "Unexpected __BYTE_ORDER"
#endif
}
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