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/*
* 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.
*/
#ifndef NET_DCSCTP_PACKET_PARAMETER_ZERO_CHECKSUM_ACCEPTABLE_CHUNK_PARAMETER_H_
#define NET_DCSCTP_PACKET_PARAMETER_ZERO_CHECKSUM_ACCEPTABLE_CHUNK_PARAMETER_H_
#include <stddef.h>
#include <stdint.h>
#include <string>
#include <vector>
#include "absl/strings/string_view.h"
#include "api/array_view.h"
#include "net/dcsctp/packet/parameter/parameter.h"
#include "net/dcsctp/packet/tlv_trait.h"
namespace dcsctp {
// https://datatracker.ietf.org/doc/draft-tuexen-tsvwg-sctp-zero-checksum/
struct ZeroChecksumAcceptableChunkParameterConfig : ParameterConfig {
static constexpr int kType = 0x8001;
static constexpr size_t kHeaderSize = 4;
static constexpr size_t kVariableLengthAlignment = 0;
};
class ZeroChecksumAcceptableChunkParameter
: public Parameter,
public TLVTrait<ZeroChecksumAcceptableChunkParameterConfig> {
public:
static constexpr int kType =
ZeroChecksumAcceptableChunkParameterConfig::kType;
ZeroChecksumAcceptableChunkParameter() {}
static absl::optional<ZeroChecksumAcceptableChunkParameter> Parse(
rtc::ArrayView<const uint8_t> data);
void SerializeTo(std::vector<uint8_t>& out) const override;
std::string ToString() const override;
};
} // namespace dcsctp
#endif // NET_DCSCTP_PACKET_PARAMETER_ZERO_CHECKSUM_ACCEPTABLE_CHUNK_PARAMETER_H_