Victor Boivie | 5f4ac67 | 2021-04-03 17:32:38 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2021 The WebRTC project authors. All Rights Reserved. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license |
| 5 | * that can be found in the LICENSE file in the root of the source |
| 6 | * tree. An additional intellectual property rights grant can be found |
| 7 | * in the file PATENTS. All contributing project authors may |
| 8 | * be found in the AUTHORS file in the root of the source tree. |
| 9 | */ |
| 10 | #include "net/dcsctp/testing/data_generator.h" |
| 11 | |
| 12 | #include <cstdint> |
| 13 | #include <string> |
| 14 | #include <utility> |
| 15 | #include <vector> |
| 16 | |
| 17 | #include "absl/strings/string_view.h" |
| 18 | #include "net/dcsctp/packet/data.h" |
| 19 | #include "net/dcsctp/public/types.h" |
| 20 | |
| 21 | namespace dcsctp { |
| 22 | constexpr PPID kPpid = PPID(53); |
| 23 | |
| 24 | Data DataGenerator::Ordered(std::vector<uint8_t> payload, |
| 25 | absl::string_view flags, |
| 26 | const DataGeneratorOptions opts) { |
| 27 | Data::IsBeginning is_beginning(flags.find('B') != std::string::npos); |
| 28 | Data::IsEnd is_end(flags.find('E') != std::string::npos); |
| 29 | |
| 30 | if (is_beginning) { |
| 31 | fsn_ = FSN(0); |
| 32 | } else { |
| 33 | fsn_ = FSN(*fsn_ + 1); |
| 34 | } |
| 35 | MID message_id = opts.message_id.value_or(message_id_); |
| 36 | Data ret = Data(opts.stream_id, SSN(static_cast<uint16_t>(*message_id)), |
Victor Boivie | 4b7024b | 2021-12-01 18:57:22 | [diff] [blame] | 37 | message_id, fsn_, opts.ppid, std::move(payload), is_beginning, |
| 38 | is_end, IsUnordered(false)); |
Victor Boivie | 5f4ac67 | 2021-04-03 17:32:38 | [diff] [blame] | 39 | |
| 40 | if (is_end) { |
| 41 | message_id_ = MID(*message_id + 1); |
| 42 | } |
| 43 | return ret; |
| 44 | } |
| 45 | |
| 46 | Data DataGenerator::Unordered(std::vector<uint8_t> payload, |
| 47 | absl::string_view flags, |
| 48 | const DataGeneratorOptions opts) { |
| 49 | Data::IsBeginning is_beginning(flags.find('B') != std::string::npos); |
| 50 | Data::IsEnd is_end(flags.find('E') != std::string::npos); |
| 51 | |
| 52 | if (is_beginning) { |
| 53 | fsn_ = FSN(0); |
| 54 | } else { |
| 55 | fsn_ = FSN(*fsn_ + 1); |
| 56 | } |
| 57 | MID message_id = opts.message_id.value_or(message_id_); |
| 58 | Data ret = Data(opts.stream_id, SSN(0), message_id, fsn_, kPpid, |
Victor Boivie | 4b7024b | 2021-12-01 18:57:22 | [diff] [blame] | 59 | std::move(payload), is_beginning, is_end, IsUnordered(true)); |
Victor Boivie | 5f4ac67 | 2021-04-03 17:32:38 | [diff] [blame] | 60 | if (is_end) { |
| 61 | message_id_ = MID(*message_id + 1); |
| 62 | } |
| 63 | return ret; |
| 64 | } |
| 65 | } // namespace dcsctp |