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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/error_cause/unresolvable_address_cause.h"
#include <stdint.h>
#include <type_traits>
#include <vector>
#include "absl/types/optional.h"
#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"
namespace dcsctp {
// https://tools.ietf.org/html/rfc4960#section-3.3.10.5
// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
// | Cause Code=5 | Cause Length |
// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
// / Unresolvable Address /
// \ \
// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
constexpr int UnresolvableAddressCause::kType;
absl::optional<UnresolvableAddressCause> UnresolvableAddressCause::Parse(
rtc::ArrayView<const uint8_t> data) {
absl::optional<BoundedByteReader<kHeaderSize>> reader = ParseTLV(data);
if (!reader.has_value()) {
return absl::nullopt;
}
return UnresolvableAddressCause(reader->variable_data());
}
void UnresolvableAddressCause::SerializeTo(std::vector<uint8_t>& out) const {
BoundedByteWriter<kHeaderSize> writer =
AllocateTLV(out, unresolvable_address_.size());
writer.CopyToVariableData(unresolvable_address_);
}
std::string UnresolvableAddressCause::ToString() const {
return "Unresolvable Address";
}
} // namespace dcsctp
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