diff options
Diffstat (limited to 'third_party/libwebrtc/net/dcsctp/packet/parameter/zero_checksum_acceptable_chunk_parameter.cc')
-rw-r--r-- | third_party/libwebrtc/net/dcsctp/packet/parameter/zero_checksum_acceptable_chunk_parameter.cc | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/third_party/libwebrtc/net/dcsctp/packet/parameter/zero_checksum_acceptable_chunk_parameter.cc b/third_party/libwebrtc/net/dcsctp/packet/parameter/zero_checksum_acceptable_chunk_parameter.cc new file mode 100644 index 0000000000..75f7d3c487 --- /dev/null +++ b/third_party/libwebrtc/net/dcsctp/packet/parameter/zero_checksum_acceptable_chunk_parameter.cc @@ -0,0 +1,46 @@ +/* + * Copyright (c) 2023 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. + */ +#include "net/dcsctp/packet/parameter/zero_checksum_acceptable_chunk_parameter.h" + +#include <stdint.h> + +#include <vector> + +#include "absl/types/optional.h" +#include "api/array_view.h" + +namespace dcsctp { + +// https://www.ietf.org/archive/id/draft-tuexen-tsvwg-sctp-zero-checksum-00.html#section-3 + +// 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +// | Type = 0x8001 | Length = 4 | +// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +constexpr int ZeroChecksumAcceptableChunkParameter::kType; + +absl::optional<ZeroChecksumAcceptableChunkParameter> +ZeroChecksumAcceptableChunkParameter::Parse( + rtc::ArrayView<const uint8_t> data) { + if (!ParseTLV(data).has_value()) { + return absl::nullopt; + } + return ZeroChecksumAcceptableChunkParameter(); +} + +void ZeroChecksumAcceptableChunkParameter::SerializeTo( + std::vector<uint8_t>& out) const { + AllocateTLV(out); +} + +std::string ZeroChecksumAcceptableChunkParameter::ToString() const { + return "Zero Checksum Acceptable"; +} +} // namespace dcsctp |