65b47f5f99
Sending a reset and discarding extra packets helps ensure that tests are hermetic for devices that do not power off the chip with rfkill. Add a mutex to make sure that close only gets called once. Bug: 266221125 Test: atest VtsHalBluetoothTargetTest Change-Id: Ifb259a675202aa5399a8c7570ba8c4df2083e10e
86 lines
2.5 KiB
C++
86 lines
2.5 KiB
C++
/*
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* Copyright 2022 The Android Open Source Project
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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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* http://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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*/
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#pragma once
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#include <aidl/android/hardware/bluetooth/BnBluetoothHci.h>
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#include <aidl/android/hardware/bluetooth/IBluetoothHciCallbacks.h>
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#include <future>
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#include <string>
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#include "async_fd_watcher.h"
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#include "h4_protocol.h"
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#include "net_bluetooth_mgmt.h"
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namespace aidl::android::hardware::bluetooth::impl {
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class BluetoothDeathRecipient;
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// This Bluetooth HAL implementation connects with a serial port at dev_path_.
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class BluetoothHci : public BnBluetoothHci {
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public:
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BluetoothHci(const std::string& dev_path = "/dev/hvc5");
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ndk::ScopedAStatus initialize(
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const std::shared_ptr<IBluetoothHciCallbacks>& cb) override;
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ndk::ScopedAStatus sendHciCommand(
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const std::vector<uint8_t>& packet) override;
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ndk::ScopedAStatus sendAclData(const std::vector<uint8_t>& packet) override;
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ndk::ScopedAStatus sendScoData(const std::vector<uint8_t>& packet) override;
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ndk::ScopedAStatus sendIsoData(const std::vector<uint8_t>& packet) override;
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ndk::ScopedAStatus close() override;
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static void OnPacketReady();
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static BluetoothHci* get();
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private:
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int mFd{-1};
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std::shared_ptr<IBluetoothHciCallbacks> mCb = nullptr;
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std::shared_ptr<::android::hardware::bluetooth::hci::H4Protocol> mH4;
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std::shared_ptr<BluetoothDeathRecipient> mDeathRecipient;
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std::string mDevPath;
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::android::hardware::bluetooth::async::AsyncFdWatcher mFdWatcher;
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int getFdFromDevPath();
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void send(::android::hardware::bluetooth::hci::PacketType type,
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const std::vector<uint8_t>& packet);
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std::unique_ptr<NetBluetoothMgmt> management_{};
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// Send a reset command and discard all packets until a reset is received.
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void reset();
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// Don't close twice or open before close is complete
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std::mutex mStateMutex;
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enum class HalState {
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READY,
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INITIALIZING,
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ONE_CLIENT,
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CLOSING,
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} mState{HalState::READY};
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};
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} // namespace aidl::android::hardware::bluetooth::impl
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