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 <iterator>
21 #include <memory>
22 #include <vector>
23 
24 #include "packet/bit_inserter.h"
25 #include "packet/raw_builder.h"
26 
27 namespace bluetooth {
28 namespace packet {
29 
30 class FragmentingInserter : public BitInserter {
31 public:
32   FragmentingInserter(size_t mtu,
33                       std::back_insert_iterator<std::vector<std::unique_ptr<RawBuilder>>> iterator);
34 
35   void insert_bits(uint8_t byte, size_t num_bits) override;
36 
37   void finalize();
38 
39 protected:
40   std::vector<uint8_t> to_construct_bit_inserter_;
41   size_t mtu_;
42   std::unique_ptr<RawBuilder> curr_packet_;
43   std::back_insert_iterator<std::vector<std::unique_ptr<RawBuilder>>> iterator_;
44 };
45 
46 }  // namespace packet
47 }  // namespace bluetooth
48