1 // 2 // Copyright 2017 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 <vector> 21 22 #include "net/async_data_channel.h" 23 24 namespace rootcanal { 25 26 using PacketReadCallback = std::function<void(const std::vector<uint8_t>&)>; 27 using android::net::AsyncDataChannel; 28 29 // Implementation of HCI protocol bits common to different transports 30 class HciProtocol { 31 public: 32 HciProtocol() = default; ~HciProtocol()33 virtual ~HciProtocol(){}; 34 35 // Protocol-specific implementation of sending packets. 36 virtual size_t Send(uint8_t type, const uint8_t* data, size_t length) = 0; 37 38 protected: 39 static size_t WriteSafely(AsyncDataChannel* socket, const uint8_t* data, 40 size_t length); 41 }; 42 43 } // namespace rootcanal 44