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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.
*/
#include "net/dcsctp/packet/parameter/state_cookie_parameter.h"
#include <stdint.h>
#include <optional>
#include <string>
#include <type_traits>
#include <vector>
#include "api/array_view.h"
#include "net/dcsctp/packet/bounded_byte_reader.h"
#include "net/dcsctp/packet/bounded_byte_writer.h"
#include "net/dcsctp/packet/tlv_trait.h"
#include "rtc_base/strings/string_builder.h"
namespace dcsctp {
constexpr int StateCookieParameter::kType;
std::optional<StateCookieParameter> StateCookieParameter::Parse(
rtc::ArrayView<const uint8_t> data) {
std::optional<BoundedByteReader<kHeaderSize>> reader = ParseTLV(data);
if (!reader.has_value()) {
return std::nullopt;
}
return StateCookieParameter(reader->variable_data());
}
void StateCookieParameter::SerializeTo(std::vector<uint8_t>& out) const {
BoundedByteWriter<kHeaderSize> writer = AllocateTLV(out, data_.size());
writer.CopyToVariableData(data_);
}
std::string StateCookieParameter::ToString() const {
rtc::StringBuilder sb;
sb << "State Cookie parameter (cookie_length=" << data_.size() << ")";
return sb.Release();
}
} // namespace dcsctp