mirror of
https://github.com/kidfromjupiter/nearby.git
synced 2026-09-15 15:16:12 -04:00
Alexey Polyudov
de31c27947
Signed-off-by: Alexey Polyudov <apolyudov@google.com> Change-Id: I85d490e448375aa4eb7b09680757c02fff1420b4
101 lines
3.4 KiB
C++
101 lines
3.4 KiB
C++
// Copyright 2020 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#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/pcp.h"
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#include "platform/byte_array.h"
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#include "platform/port/string.h"
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#include "platform/ptr.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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struct Version {
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enum Value {
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V1 = 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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};
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static Ptr<BluetoothDeviceName> fromString(
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const std::string& bluetooth_device_name_string);
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static std::string asString(Version::Value version, PCP::Value pcp,
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const std::string& endpoint_id,
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ConstPtr<ByteArray> service_id_hash,
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const std::string& endpoint_name);
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static const std::uint32_t kServiceIdHashLength;
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~BluetoothDeviceName();
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Version::Value getVersion() const;
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PCP::Value getPCP() const;
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std::string getEndpointId() const;
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ConstPtr<ByteArray> getServiceIdHash() const;
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std::string getEndpointName() const;
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private:
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static Ptr<BluetoothDeviceName> createV1BluetoothDeviceName(
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ConstPtr<ByteArray> bluetooth_device_name_bytes);
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static std::uint32_t computeEndpointNameLength(
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ConstPtr<ByteArray> bluetooth_device_name_bytes);
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static std::uint32_t computeBluetoothDeviceNameLength(
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ConstPtr<ByteArray> endpoint_name_bytes);
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static Ptr<ByteArray> createV1Bytes(PCP::Value pcp,
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const std::string& endpoint_id,
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ConstPtr<ByteArray> service_id_hash,
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ConstPtr<ByteArray> endpoint_name_bytes);
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static const std::uint32_t kMaxBluetoothDeviceNameLength;
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static const std::uint32_t kEndpointIdLength;
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static const std::uint32_t kReservedLength;
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static const std::uint32_t kMaxEndpointNameLength;
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static const std::uint32_t kMinBluetoothDeviceNameLength;
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static const std::uint16_t kVersionBitmask;
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static const std::uint16_t kPCPBitmask;
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static const std::uint16_t kEndpointNameLengthBitmask;
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BluetoothDeviceName(Version::Value version, PCP::Value pcp,
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const std::string& endpoint_id,
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ConstPtr<ByteArray> service_id_hash,
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const std::string& endpoint_name);
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const Version::Value version_;
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const PCP::Value pcp_;
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const std::string endpoint_id_;
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ScopedPtr<ConstPtr<ByteArray> > service_id_hash_;
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const std::string endpoint_name_;
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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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