1 // Copyright (C) 2020 Bayerische Motoren Werke Aktiengesellschaft (BMW AG)
2 // This Source Code Form is subject to the terms of the Mozilla Public
3 // License, v. 2.0. If a copy of the MPL was not distributed with this
4 // file, You can obtain one at http://mozilla.org/MPL/2.0/.
5 
6 #ifndef VSOMEIP_V3_E2E_PROFILE04_PROFILE04_HPP
7 #define VSOMEIP_V3_E2E_PROFILE04_PROFILE04_HPP
8 
9 #include <cstdint>
10 
11 #include <vsomeip/defines.hpp>
12 
13 #include "../../../buffer/buffer.hpp"
14 
15 // The MSB of the dataID is the instance identifier.
16 // Therefore, the instance identifier must fit into a single byte.
17 #define VSOMEIP_E2E_PROFILE04_MAX_INSTANCE 0x00ff
18 
19 namespace vsomeip_v3 {
20 namespace e2e {
21 namespace profile04 {
22 
23 struct profile_config;
24 
25 class profile_04 {
26 public:
27     static uint32_t compute_crc(const profile_config &_config, const e2e_buffer &_buffer);
28 };
29 
30 // [SWS_E2E_00200]
31 struct profile_config {
32     profile_config() = delete;
33 
profile_configvsomeip_v3::e2e::profile04::profile_config34     profile_config(uint32_t _data_id, size_t _offset,
35             size_t _min_data_length, size_t _max_data_length,
36             uint16_t _max_delta_counter)
37         : data_id_(_data_id), offset_(_offset),
38           min_data_length_(_min_data_length), max_data_length_(_max_data_length),
39           max_delta_counter_(_max_delta_counter),
40           base_(VSOMEIP_SOMEIP_HEADER_SIZE) {
41     }
42     profile_config(const profile_config &_config) = default;
43     profile_config &operator=(const profile_config &_config) = default;
44 
45     // [SWS_E2E_00334]
46     uint32_t data_id_;
47     size_t offset_; // This must be configured in bit but as a multiple of 8.
48                     // As we must use it as an index, we do the math once at
49                     // configuration time and use the correct data type here.
50                     // Thus, this value is always the byte where the CRC starts.
51     size_t min_data_length_;
52     size_t max_data_length_;
53     uint16_t max_delta_counter_;
54 
55     // SOME/IP base
56     size_t base_;
57 };
58 
59 } // namespace profile_04
60 } // namespace e2e
61 } // namespace vsomeip_v3
62 
63 #endif // VSOMEIP_V3_E2E_PROFILE04_PROFILE04_HPP
64