102 lines
3.3 KiB
C++
102 lines
3.3 KiB
C++
//
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// Copyright 2021 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 <android/hardware/bluetooth/1.1/IBluetoothHci.h>
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#include <android-base/logging.h>
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#include <hidl/MQDescriptor.h>
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#include <string>
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#include "async_fd_watcher.h"
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#include "model/hci/h4_packetizer.h"
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namespace android {
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namespace hardware {
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namespace bluetooth {
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namespace V1_1 {
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namespace remote {
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class BluetoothDeathRecipient;
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// This Bluetooth HAL implementation is connected with the root-canal process in
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// the host side via virtio-console device(refer to dev_path_). It receives and
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// deliver responses and requests from/to Bluetooth HAL.
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class BluetoothHci : public IBluetoothHci {
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public:
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// virtio-console device connected with root-canal in the host side.
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BluetoothHci(const std::string& dev_path = "/dev/hvc5");
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::android::hardware::Return<void> initialize(
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const sp<V1_0::IBluetoothHciCallbacks>& cb) override;
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::android::hardware::Return<void> initialize_1_1(
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const sp<V1_1::IBluetoothHciCallbacks>& cb) override;
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::android::hardware::Return<void> sendHciCommand(
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const ::android::hardware::hidl_vec<uint8_t>& packet) override;
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::android::hardware::Return<void> sendAclData(
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const ::android::hardware::hidl_vec<uint8_t>& packet) override;
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::android::hardware::Return<void> sendScoData(
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const ::android::hardware::hidl_vec<uint8_t>& packet) override;
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::android::hardware::Return<void> sendIsoData(
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const ::android::hardware::hidl_vec<uint8_t>& packet) override;
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::android::hardware::Return<void> 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 fd_{-1};
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::android::sp<V1_0::IBluetoothHciCallbacks> cb_ = nullptr;
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::android::sp<V1_1::IBluetoothHciCallbacks> cb_1_1_ = nullptr;
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rootcanal::H4Packetizer h4_{fd_,
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[](const std::vector<uint8_t>&) {},
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[](const std::vector<uint8_t>&) {},
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[](const std::vector<uint8_t>&) {},
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[](const std::vector<uint8_t>&) {},
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[](const std::vector<uint8_t>&) {},
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[] {}};
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::android::hardware::Return<void> initialize_impl(
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const sp<V1_0::IBluetoothHciCallbacks>& cb,
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const sp<V1_1::IBluetoothHciCallbacks>& cb_1_1);
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sp<BluetoothDeathRecipient> death_recipient_;
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const std::string dev_path_;
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std::function<void(sp<BluetoothDeathRecipient>&)> unlink_cb_;
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::android::hardware::bluetooth::async::AsyncFdWatcher fd_watcher_;
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void send(rootcanal::PacketType type,
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const ::android::hardware::hidl_vec<uint8_t>& packet);
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};
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extern "C" IBluetoothHci* HIDL_FETCH_IBluetoothHci(const char* name);
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} // namespace remote
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} // namespace V1_1
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} // namespace bluetooth
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} // namespace hardware
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} // namespace android
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