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/*
* 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_PACKET_PARAMETER_SUPPORTED_EXTENSIONS_PARAMETER_H_
#define NET_DCSCTP_PACKET_PARAMETER_SUPPORTED_EXTENSIONS_PARAMETER_H_
#include <stddef.h>
#include <algorithm>
#include <cstdint>
#include <iterator>
#include <string>
#include <utility>
#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://tools.ietf.org/html/rfc5061#section-4.2.7
struct SupportedExtensionsParameterConfig : ParameterConfig {
static constexpr int kType = 0x8008;
static constexpr size_t kHeaderSize = 4;
static constexpr size_t kVariableLengthAlignment = 1;
};
class SupportedExtensionsParameter
: public Parameter,
public TLVTrait<SupportedExtensionsParameterConfig> {
public:
static constexpr int kType = SupportedExtensionsParameterConfig::kType;
explicit SupportedExtensionsParameter(std::vector<uint8_t> chunk_types)
: chunk_types_(std::move(chunk_types)) {}
static absl::optional<SupportedExtensionsParameter> Parse(
rtc::ArrayView<const uint8_t> data);
void SerializeTo(std::vector<uint8_t>& out) const override;
std::string ToString() const override;
bool supports(uint8_t chunk_type) const {
return std::find(chunk_types_.begin(), chunk_types_.end(), chunk_type) !=
chunk_types_.end();
}
rtc::ArrayView<const uint8_t> chunk_types() const { return chunk_types_; }
private:
std::vector<uint8_t> chunk_types_;
};
} // namespace dcsctp
#endif // NET_DCSCTP_PACKET_PARAMETER_SUPPORTED_EXTENSIONS_PARAMETER_H_
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