1 // 2 // Copyright 2021 The Android Open Source Project 3 // 4 // Licensed under the Apache License, Version 2.0 (the "License"); 5 // you may not use this file except in compliance with the License. 6 // You may obtain a copy of the License at 7 // 8 // http://www.apache.org/licenses/LICENSE-2.0 9 // 10 // Unless required by applicable law or agreed to in writing, software 11 // distributed under the License is distributed on an "AS IS" BASIS, 12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 // See the License for the specific language governing permissions and 14 // limitations under the License. 15 // 16 17 #pragma once 18 19 #include <android/hardware/bluetooth/1.1/IBluetoothHci.h> 20 21 #include <android-base/logging.h> 22 #include <hidl/MQDescriptor.h> 23 #include <string> 24 #include "async_fd_watcher.h" 25 #include "model/devices/h4_packetizer.h" 26 27 namespace android { 28 namespace hardware { 29 namespace bluetooth { 30 namespace V1_1 { 31 namespace remote { 32 33 class BluetoothDeathRecipient; 34 35 // This Bluetooth HAL implementation is connected with the root-canal process in 36 // the host side via virtio-console device(refer to dev_path_). It receives and 37 // deliver responses and requests from/to Bluetooth HAL. 38 class BluetoothHci : public IBluetoothHci { 39 public: 40 // virtio-console device connected with root-canal in the host side. 41 BluetoothHci(const std::string& dev_path = "/dev/hvc5"); 42 43 ::android::hardware::Return<void> initialize( 44 const sp<V1_0::IBluetoothHciCallbacks>& cb) override; 45 ::android::hardware::Return<void> initialize_1_1( 46 const sp<V1_1::IBluetoothHciCallbacks>& cb) override; 47 48 ::android::hardware::Return<void> sendHciCommand( 49 const ::android::hardware::hidl_vec<uint8_t>& packet) override; 50 51 ::android::hardware::Return<void> sendAclData( 52 const ::android::hardware::hidl_vec<uint8_t>& packet) override; 53 54 ::android::hardware::Return<void> sendScoData( 55 const ::android::hardware::hidl_vec<uint8_t>& packet) override; 56 57 ::android::hardware::Return<void> sendIsoData( 58 const ::android::hardware::hidl_vec<uint8_t>& packet) override; 59 60 ::android::hardware::Return<void> close() override; 61 62 static void OnPacketReady(); 63 64 static BluetoothHci* get(); 65 66 private: 67 int fd_{-1}; 68 ::android::sp<V1_0::IBluetoothHciCallbacks> cb_ = nullptr; 69 ::android::sp<V1_1::IBluetoothHciCallbacks> cb_1_1_ = nullptr; 70 71 test_vendor_lib::H4Packetizer h4_{fd_, 72 [](const std::vector<uint8_t>&) {}, 73 [](const std::vector<uint8_t>&) {}, 74 [](const std::vector<uint8_t>&) {}, 75 [](const std::vector<uint8_t>&) {}, 76 [](const std::vector<uint8_t>&) {}, 77 [] {}}; 78 79 ::android::hardware::Return<void> initialize_impl( 80 const sp<V1_0::IBluetoothHciCallbacks>& cb, 81 const sp<V1_1::IBluetoothHciCallbacks>& cb_1_1); 82 83 sp<BluetoothDeathRecipient> death_recipient_; 84 85 const std::string dev_path_; 86 87 std::function<void(sp<BluetoothDeathRecipient>&)> unlink_cb_; 88 89 ::android::hardware::bluetooth::async::AsyncFdWatcher fd_watcher_; 90 91 void send(test_vendor_lib::PacketType type, 92 const ::android::hardware::hidl_vec<uint8_t>& packet); 93 }; 94 95 extern "C" IBluetoothHci* HIDL_FETCH_IBluetoothHci(const char* name); 96 97 } // namespace remote 98 } // namespace V1_1 99 } // namespace bluetooth 100 } // namespace hardware 101 } // namespace android 102