1 /* 2 * Copyright 2022 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 <functional> 20 #include <memory> 21 #include <vector> 22 23 #include "hci_internals.h" 24 25 namespace android::hardware::bluetooth::hci { 26 27 class HciPacketizer { 28 public: 29 HciPacketizer() = default; 30 bool OnDataReady(PacketType packet_type, const std::vector<uint8_t>& data, 31 size_t* offset); 32 const std::vector<uint8_t>& GetPacket() const; 33 34 protected: 35 enum State { HCI_HEADER, HCI_PAYLOAD }; 36 State state_{HCI_HEADER}; 37 std::vector<uint8_t> packet_; 38 size_t bytes_remaining_{0}; 39 }; 40 41 } // namespace android::hardware::bluetooth::hci 42