1 // Copyright 2023 The Pigweed Authors 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); you may not 4 // use this file except in compliance with the License. You may obtain a copy of 5 // the License at 6 // 7 // https://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 11 // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 12 // License for the specific language governing permissions and limitations under 13 // the License. 14 15 #pragma once 16 #include "pw_bluetooth_sapphire/internal/host/att/att.h" 17 #include "pw_bluetooth_sapphire/internal/host/common/byte_buffer.h" 18 #include "pw_bluetooth_sapphire/internal/host/common/packet_view.h" 19 20 namespace bt::att { 21 22 // Utilities for processing ATT protocol Packets. 23 24 class PacketReader : public PacketView<Header> { 25 public: 26 explicit PacketReader(const ByteBuffer* buffer); 27 opcode()28 inline OpCode opcode() const { return header().opcode; } 29 }; 30 31 class PacketWriter : public MutablePacketView<Header> { 32 public: 33 // Constructor writes |opcode| into |buffer|. 34 PacketWriter(OpCode opcode, MutableByteBuffer* buffer); 35 }; 36 37 } // namespace bt::att 38