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Diffstat (limited to 'third_party/libwebrtc/net/dcsctp/testing/data_generator.h')
-rw-r--r-- | third_party/libwebrtc/net/dcsctp/testing/data_generator.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/third_party/libwebrtc/net/dcsctp/testing/data_generator.h b/third_party/libwebrtc/net/dcsctp/testing/data_generator.h new file mode 100644 index 0000000000..f917c740a7 --- /dev/null +++ b/third_party/libwebrtc/net/dcsctp/testing/data_generator.h @@ -0,0 +1,59 @@ +/* + * Copyright (c) 2021 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ +#ifndef NET_DCSCTP_TESTING_DATA_GENERATOR_H_ +#define NET_DCSCTP_TESTING_DATA_GENERATOR_H_ + +#include <cstdint> +#include <vector> + +#include "absl/strings/string_view.h" +#include "absl/types/optional.h" +#include "api/array_view.h" +#include "net/dcsctp/common/internal_types.h" +#include "net/dcsctp/packet/data.h" + +namespace dcsctp { + +struct DataGeneratorOptions { + StreamID stream_id = StreamID(1); + absl::optional<MID> message_id = absl::nullopt; + PPID ppid = PPID(53); +}; + +// Generates Data with correct sequence numbers, and used only in unit tests. +class DataGenerator { + public: + explicit DataGenerator(MID start_message_id = MID(0)) + : message_id_(start_message_id) {} + + // Generates ordered "data" with the provided `payload` and flags, which can + // contain "B" for setting the "is_beginning" flag, and/or "E" for setting the + // "is_end" flag. + Data Ordered(std::vector<uint8_t> payload, + absl::string_view flags = "", + DataGeneratorOptions opts = {}); + + // Generates unordered "data" with the provided `payload` and flags, which can + // contain "B" for setting the "is_beginning" flag, and/or "E" for setting the + // "is_end" flag. + Data Unordered(std::vector<uint8_t> payload, + absl::string_view flags = "", + DataGeneratorOptions opts = {}); + + // Resets the Message ID identifier - simulating a "stream reset". + void ResetStream() { message_id_ = MID(0); } + + private: + MID message_id_; + FSN fsn_ = FSN(0); +}; +} // namespace dcsctp + +#endif // NET_DCSCTP_TESTING_DATA_GENERATOR_H_ |