mirror of
https://github.com/kidfromjupiter/nearby.git
synced 2026-09-15 15:16:12 -04:00
Alexey Polyudov
2155b3ddeb
Signed-off-by: Alexey Polyudov <apolyudov@google.com> Change-Id: I9850950db8bd84f0904ea1a413151887f52098cf
81 lines
2.8 KiB
C++
81 lines
2.8 KiB
C++
#ifndef CORE_INTERNAL_BLUETOOTH_DEVICE_NAME_H_
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#define CORE_INTERNAL_BLUETOOTH_DEVICE_NAME_H_
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#include <cstdint>
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#include "core/internal/base_pcp_handler.h"
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#include "core/internal/pcp.h"
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#include "platform/base/byte_array.h"
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#include "absl/strings/string_view.h"
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namespace location {
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namespace nearby {
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namespace connections {
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// Represents the format of the Bluetooth device name used in Advertising +
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// Discovery.
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//
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// <p>See go/nearby-offline-data-interchange-formats for the specification.
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class BluetoothDeviceName {
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public:
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// Versions of the BluetoothDeviceName.
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enum class Version {
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kUndefined = 0,
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kV1 = 1,
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// Version is only allocated 3 bits in the BluetoothDeviceName, so this
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// can never go beyond V7.
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};
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static constexpr int kServiceIdHashLength = 3;
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BluetoothDeviceName() = default;
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BluetoothDeviceName(Version version, Pcp pcp, absl::string_view endpoint_id,
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const ByteArray& service_id_hash,
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const ByteArray& endpoint_info,
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const ByteArray& uwb_address,
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WebRtcState web_rtc_state);
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explicit BluetoothDeviceName(absl::string_view bluetooth_device_name_string);
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BluetoothDeviceName(const BluetoothDeviceName&) = default;
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BluetoothDeviceName& operator=(const BluetoothDeviceName&) = default;
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BluetoothDeviceName(BluetoothDeviceName&&) = default;
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BluetoothDeviceName& operator=(BluetoothDeviceName&&) = default;
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~BluetoothDeviceName() = default;
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explicit operator std::string() const;
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bool IsValid() const { return !endpoint_id_.empty(); }
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Version GetVersion() const { return version_; }
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Pcp GetPcp() const { return pcp_; }
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std::string GetEndpointId() const { return endpoint_id_; }
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ByteArray GetServiceIdHash() const { return service_id_hash_; }
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ByteArray GetEndpointInfo() const { return endpoint_info_; }
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ByteArray GetUwbAddress() const { return uwb_address_; }
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WebRtcState GetWebRtcState() const { return web_rtc_state_; }
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private:
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static constexpr int kEndpointIdLength = 4;
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static constexpr int kReservedLength = 6;
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static constexpr int kMaxEndpointInfoLength = 131;
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static constexpr int kMinBluetoothDeviceNameLength = 16;
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static constexpr int kVersionBitmask = 0x0E0;
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static constexpr int kPcpBitmask = 0x01F;
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static constexpr int kEndpointNameLengthBitmask = 0x0FF;
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static constexpr int kWebRtcConnectableFlagBitmask = 0x01;
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Version version_{Version::kUndefined};
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Pcp pcp_{Pcp::kUnknown};
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std::string endpoint_id_;
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ByteArray service_id_hash_;
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ByteArray endpoint_info_;
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// TODO(b/169550050): Define UWB address field.
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ByteArray uwb_address_;
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WebRtcState web_rtc_state_{WebRtcState::kUndefined};
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};
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} // namespace connections
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} // namespace nearby
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} // namespace location
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#endif // CORE_INTERNAL_BLUETOOTH_DEVICE_NAME_H_
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