63 lines
2.0 KiB
C
63 lines
2.0 KiB
C
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/*
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* Copyright (c) 2021 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef NET_DCSCTP_PACKET_PARAMETER_SUPPORTED_EXTENSIONS_PARAMETER_H_
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#define NET_DCSCTP_PACKET_PARAMETER_SUPPORTED_EXTENSIONS_PARAMETER_H_
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#include <stddef.h>
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#include <algorithm>
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#include <cstdint>
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#include <iterator>
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#include <string>
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#include <utility>
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#include <vector>
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#include "absl/strings/string_view.h"
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#include "api/array_view.h"
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#include "net/dcsctp/packet/parameter/parameter.h"
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#include "net/dcsctp/packet/tlv_trait.h"
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namespace dcsctp {
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// https://tools.ietf.org/html/rfc5061#section-4.2.7
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struct SupportedExtensionsParameterConfig : ParameterConfig {
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static constexpr int kType = 0x8008;
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static constexpr size_t kHeaderSize = 4;
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static constexpr size_t kVariableLengthAlignment = 1;
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};
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class SupportedExtensionsParameter
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: public Parameter,
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public TLVTrait<SupportedExtensionsParameterConfig> {
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public:
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static constexpr int kType = SupportedExtensionsParameterConfig::kType;
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explicit SupportedExtensionsParameter(std::vector<uint8_t> chunk_types)
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: chunk_types_(std::move(chunk_types)) {}
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static absl::optional<SupportedExtensionsParameter> Parse(
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rtc::ArrayView<const uint8_t> data);
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void SerializeTo(std::vector<uint8_t>& out) const override;
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std::string ToString() const override;
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bool supports(uint8_t chunk_type) const {
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return std::find(chunk_types_.begin(), chunk_types_.end(), chunk_type) !=
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chunk_types_.end();
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}
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rtc::ArrayView<const uint8_t> chunk_types() const { return chunk_types_; }
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private:
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std::vector<uint8_t> chunk_types_;
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};
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} // namespace dcsctp
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#endif // NET_DCSCTP_PACKET_PARAMETER_SUPPORTED_EXTENSIONS_PARAMETER_H_
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