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 <cstdint> 20 #include <string> 21 #include <vector> 22 23 namespace test_vendor_lib { 24 25 // ACL data packets are specified in the Bluetooth Core Specification Version 26 // 4.2, Volume 2, Part E, Section 5.4.2 27 class AclPacket { 28 public: 29 typedef enum { 30 FirstNonAutomaticallyFlushable, 31 Continuing, 32 FirstAutomaticallyFlushable, 33 Complete 34 } PacketBoundaryFlags; 35 typedef enum { 36 PointToPoint, 37 ActiveSlaveBroadcast, 38 ParkedSlaveBroadcast, 39 Reserved 40 } BroadcastFlags; 41 42 virtual ~AclPacket() = default; 43 GetChannel()44 uint16_t GetChannel() const { 45 return (raw_packet_[0] | (raw_packet_[1] << 8)) & 0xfff; 46 } 47 GetPacketBoundaryFlags()48 PacketBoundaryFlags GetPacketBoundaryFlags() const { 49 return static_cast<PacketBoundaryFlags>((raw_packet_[1] & 0x30) >> 4); 50 } 51 GetBroadcastFlags()52 BroadcastFlags GetBroadcastFlags() const { 53 return static_cast<BroadcastFlags>((raw_packet_[1] & 0xC0) >> 6); 54 } 55 56 explicit AclPacket(uint16_t channel, 57 AclPacket::PacketBoundaryFlags boundary_flags, 58 AclPacket::BroadcastFlags broadcast); 59 60 size_t GetPacketSize() const; 61 62 const std::vector<uint8_t>& GetPacket() const; 63 64 void AddPayloadOctets(size_t octets, const std::vector<uint8_t>& bytes); 65 66 private: 67 // Add |octets| bytes to the payload. 68 void AddPayloadOctets(size_t octets, uint64_t value); 69 70 static const size_t kHeaderSize = 4; 71 72 public: 73 // Add type-checking versions AddPayloadOctets1(uint8_t value)74 void AddPayloadOctets1(uint8_t value) { AddPayloadOctets(1, value); } AddPayloadOctets2(uint16_t value)75 void AddPayloadOctets2(uint16_t value) { AddPayloadOctets(2, value); } AddPayloadOctets3(uint32_t value)76 void AddPayloadOctets3(uint32_t value) { AddPayloadOctets(3, value); } AddPayloadOctets4(uint32_t value)77 void AddPayloadOctets4(uint32_t value) { AddPayloadOctets(4, value); } AddPayloadOctets6(uint64_t value)78 void AddPayloadOctets6(uint64_t value) { AddPayloadOctets(6, value); } AddPayloadOctets8(uint64_t value)79 void AddPayloadOctets8(uint64_t value) { AddPayloadOctets(8, value); } 80 81 private: 82 std::vector<uint8_t> raw_packet_; 83 }; 84 85 } // namespace test_vendor_lib 86