mirror of
https://github.com/kidfromjupiter/nearby.git
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98 lines
3.5 KiB
C++
98 lines
3.5 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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#include "connections/implementation/injected_bluetooth_device_store.h"
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#include <cstdint>
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#include <string>
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#include "absl/status/statusor.h"
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#include "connections/implementation/bluetooth_device_name.h"
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#include "internal/platform/implementation/bluetooth_classic.h"
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#include "internal/platform/mac_address.h"
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namespace nearby {
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namespace connections {
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namespace {
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// api::BluetoothDevice implementation which stores a name and address passed to
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// its constructor and trivially returns them to implement virtual functions.
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class InjectedBluetoothDevice : public api::BluetoothDevice {
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public:
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InjectedBluetoothDevice(const std::string& name,
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const std::string& mac_address)
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: name_(name), mac_address_(mac_address) {}
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~InjectedBluetoothDevice() override = default;
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// api::BluetoothDevice:
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std::string GetName() const override { return name_; }
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std::string GetMacAddress() const override { return mac_address_; }
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private:
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const std::string name_;
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const std::string mac_address_;
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};
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} // namespace
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InjectedBluetoothDeviceStore::InjectedBluetoothDeviceStore() = default;
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InjectedBluetoothDeviceStore::~InjectedBluetoothDeviceStore() = default;
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BluetoothDevice InjectedBluetoothDeviceStore::CreateInjectedBluetoothDevice(
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const ByteArray& remote_bluetooth_mac_address,
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const std::string& endpoint_id, const ByteArray& endpoint_info,
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const ByteArray& service_id_hash, Pcp pcp) {
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// Valid MAC address is required.
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absl::StatusOr<uint64_t> bluetooth_mac_address_bytes_uint64 =
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remote_bluetooth_mac_address.Read6BytesAsUint64();
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if (!bluetooth_mac_address_bytes_uint64.ok()) {
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return BluetoothDevice(/*device=*/nullptr);
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}
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MacAddress remote_mac_address;
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if (!MacAddress::FromUint64(bluetooth_mac_address_bytes_uint64.value(),
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remote_mac_address)
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|| !remote_mac_address.IsSet()) {
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return BluetoothDevice(/*device=*/nullptr);
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}
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// Non-empty endpoint info is required.
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if (endpoint_info.Empty()) return BluetoothDevice(/*device=*/nullptr);
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BluetoothDeviceName name(BluetoothDeviceName::Version::kV1, pcp, endpoint_id,
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service_id_hash, endpoint_info,
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/*uwb_address=*/ByteArray(),
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WebRtcState::kConnectable);
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// Note: BluetoothDeviceName internally verifies that |endpoint_id| and
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// |service_id_hash| are valid; the check below will fail if they are
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// malformed.
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if (!name.IsValid()) return BluetoothDevice(/*device=*/nullptr);
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auto injected_device = std::make_unique<InjectedBluetoothDevice>(
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static_cast<std::string>(name), remote_mac_address.ToString());
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BluetoothDevice device_to_return(injected_device.get());
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// Store underlying device to ensure that it is kept alive for future use.
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devices_.emplace_back(std::move(injected_device));
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return device_to_return;
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}
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} // namespace connections
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} // namespace nearby
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