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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.
*/
#ifndef BT_ADDRESS_HPP_
#define BT_ADDRESS_HPP_
#include <cstring>
#include <string>
#include <cstdint>
namespace direct_bt {
/**
* BT Core Spec v5.2: Vol 3, Part C Generic Access Profile (GAP): 15.1.1.1 Public Bluetooth address
* <pre>
* 1) BT public address used as BD_ADDR for BR/EDR physical channel is defined in Vol 2, Part B 1.2
* - EUI-48 or MAC (6 octets)
*
* 2) BT public address used as BD_ADDR for the LE physical channel is defined in Vol 6, Part B 1.3
* </pre>
* <p>
* BT Core Spec v5.2: Vol 3, Part C Generic Access Profile (GAP): 15.1.1.2 Random Bluetooth address
* <pre>
* 3) BT random address used as BD_ADDR on the LE physical channel is defined in Vol 3, Part C 10.8
* </pre>
*/
enum BDAddressType : uint8_t {
/** Bluetooth BREDR address */
BDADDR_BREDR = 0x00,
/** Bluetooth LE public address */
BDADDR_LE_PUBLIC = 0x01,
/** Bluetooth LE random address, see {@link BLERandomAddressType} */
BDADDR_LE_RANDOM = 0x02,
/** Undefined */
BDADDR_UNDEFINED = 0xff
};
std::string getBDAddressTypeString(const BDAddressType type);
/**
* BT Core Spec v5.2: Vol 6 LE, Part B Link Layer Specification: 1.3 Device Address
* <p>
* BT Core Spec v5.2: Vol 6 LE, Part B Link Layer Specification: 1.3.2 Random device Address
* </p>
* <p>
* Table 1.2, address bits [47:46]
* </p>
* <p>
* If {@link BDAddressType} is {@link BDAddressType::BDADDR_LE_RANDOM},
* its value shall be different than {@link BLERandomAddressType::UNDEFINED}.
* </p>
* <p>
* If {@link BDAddressType} is not {@link BDAddressType::BDADDR_LE_RANDOM},
* its value shall be {@link BLERandomAddressType::UNDEFINED}.
* </p>
*/
enum class BLERandomAddressType : uint8_t {
/** Non-resolvable private random device address 0b00 */
UNRESOLVABLE_PRIVAT = 0x00,
/** Resolvable private random device address 0b01 */
RESOLVABLE_PRIVAT = 0x01,
/** Reserved for future use 0b10 */
RESERVED = 0x02,
/** Static public 'random' device address 0b11 */
STATIC_PUBLIC = 0x03,
/** Undefined, e.g. address not of type {@link BDAddressType::BDADDR_LE_RANDOM} */
UNDEFINED = 0xff
};
std::string getBLERandomAddressTypeString(const BLERandomAddressType type);
/**
* HCI LE Address-Type is PUBLIC: 0x00, RANDOM: 0x01
* <p>
* BT Core Spec v5.2: Vol 4, Part E Host Controller Interface (HCI) Functionality:
* <pre>
* > 7.8.5: LE Set Advertising Parameters command
* -- Own_Address_Type: public: 0x00 (default), random: 0x01, resolvable-1: 0x02, resolvable-2: 0x03
* > 7.8.10: LE Set Scan Parameters command
* -- Own_Address_Type: public: 0x00 (default), random: 0x01, resolvable-1: 0x02, resolvable-2: 0x03
* > 7.8.12: LE Create Connection command
* -- Own_Address_Type: public: 0x00 (default), random: 0x01,
* Public Identity Address (resolvable-1, any not supporting LE_Set_Privacy_Mode command): 0x02,
* Random (static) Identity Address (resolvable-2, any not supporting LE_Set_Privacy_Mode command): 0x03
* </pre>
* </p>
*/
enum class HCILEPeerAddressType : uint8_t {
/** Public Device Address */
PUBLIC = 0x00,
/** Random Device Address */
RANDOM = 0x01,
/** Public Resolved Identity Address */
PUBLIC_IDENTITY = 0x02,
/** Resolved Random (Static) Identity Address */
RANDOM_STATIC_IDENTITY = 0x03,
UNDEFINED = 0xff /**< HCIADDR_UNDEFINED */
};
BDAddressType getBDAddressType(const HCILEPeerAddressType hciPeerAddrType);
std::string getHCILEPeerAddressTypeString(const HCILEPeerAddressType type);
enum class HCILEOwnAddressType : uint8_t {
/** Public Device Address */
PUBLIC = 0x00,
/** Random Device Address */
RANDOM = 0x01,
/** Controller Resolved Private Address or Public Address */
RESOLVABLE_OR_PUBLIC = 0x02,
/** Controller Resolved Private Address or Random Address */
RESOLVABLE_OR_RANDOM = 0x03,
UNDEFINED = 0xff
};
BDAddressType getBDAddressType(const HCILEOwnAddressType hciOwnAddrType);
std::string getHCILEOwnAddressTypeString(const HCILEOwnAddressType type);
/**
* A packed 48 bit EUI-48 identifier, formerly known as MAC-48
* or simply network device MAC address (Media Access Control address).
* <p>
* Since we utilize this type within *ioctl* _and_ our high-level *types*,
* declaration is not within our *direct_bt* namespace.
* </p>
*/
struct __attribute__((packed)) EUI48 {
uint8_t b[6]; // == sizeof(EUI48)
EUI48() { bzero(b, sizeof(EUI48)); }
EUI48(const uint8_t * b);
EUI48(const std::string mac);
EUI48(const EUI48 &o) noexcept = default;
EUI48(EUI48 &&o) noexcept = default;
EUI48& operator=(const EUI48 &o) noexcept = default;
EUI48& operator=(EUI48 &&o) noexcept = default;
BLERandomAddressType getBLERandomAddressType(const BDAddressType addressType) const;
std::string toString() const;
};
inline bool operator<(const EUI48& lhs, const EUI48& rhs)
{ return memcmp(&lhs, &rhs, sizeof(EUI48))<0; }
inline bool operator==(const EUI48& lhs, const EUI48& rhs)
{ return !memcmp(&lhs, &rhs, sizeof(EUI48)); }
inline bool operator!=(const EUI48& lhs, const EUI48& rhs)
{ return !(lhs == rhs); }
/** EUI48 MAC address matching any device, i.e. '0:0:0:0:0:0'. */
extern const EUI48 EUI48_ANY_DEVICE;
/** EUI48 MAC address matching all device, i.e. 'ff:ff:ff:ff:ff:ff'. */
extern const EUI48 EUI48_ALL_DEVICE;
/** EUI48 MAC address matching local device, i.e. '0:0:0:ff:ff:ff'. */
extern const EUI48 EUI48_LOCAL_DEVICE;
} // namespace direct_bt
#endif /* BT_ADDRESS_HPP_ */
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