1 /*
2  * Copyright 2019 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 <forward_list>
21 #include <iterator>
22 #include <memory>
23 #include <vector>
24 
25 #include "packet/base_packet_builder.h"
26 #include "packet/bit_inserter.h"
27 #include "packet/endian_inserter.h"
28 
29 namespace bluetooth {
30 namespace packet {
31 
32 // Abstract base class that is subclassed to build specifc packets.
33 // The template parameter little_endian controls the generation of insert().
34 template <bool little_endian>
35 class PacketBuilder : public BasePacketBuilder, protected EndianInserter<little_endian> {
36 public:
37   PacketBuilder() = default;
38   virtual ~PacketBuilder() = default;
39 
40   // Classes which need fragmentation should define a function like this:
41   // std::forward_list<DerivedBuilder>& Fragment(size_t max_size);
42 
43   // Serialize the packet to a byte vector.
SerializeToBytes()44   std::vector<uint8_t> SerializeToBytes() const {
45     std::vector<uint8_t> output;
46     BitInserter it(output);
47     Serialize(it);
48     return output;
49   }
50 };
51 
52 }  // namespace packet
53 }  // namespace bluetooth
54