1 /* 2 * Copyright (c) 2021 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 #include "net/dcsctp/packet/error_cause/unresolvable_address_cause.h" 11 12 #include <stdint.h> 13 14 #include <type_traits> 15 #include <vector> 16 17 #include "absl/types/optional.h" 18 #include "api/array_view.h" 19 #include "net/dcsctp/packet/bounded_byte_reader.h" 20 #include "net/dcsctp/packet/bounded_byte_writer.h" 21 #include "net/dcsctp/packet/tlv_trait.h" 22 23 namespace dcsctp { 24 25 // https://tools.ietf.org/html/rfc4960#section-3.3.10.5 26 27 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 28 // | Cause Code=5 | Cause Length | 29 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 30 // / Unresolvable Address / 31 // \ \ 32 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 33 constexpr int UnresolvableAddressCause::kType; 34 Parse(rtc::ArrayView<const uint8_t> data)35absl::optional<UnresolvableAddressCause> UnresolvableAddressCause::Parse( 36 rtc::ArrayView<const uint8_t> data) { 37 absl::optional<BoundedByteReader<kHeaderSize>> reader = ParseTLV(data); 38 if (!reader.has_value()) { 39 return absl::nullopt; 40 } 41 return UnresolvableAddressCause(reader->variable_data()); 42 } 43 SerializeTo(std::vector<uint8_t> & out) const44void UnresolvableAddressCause::SerializeTo(std::vector<uint8_t>& out) const { 45 BoundedByteWriter<kHeaderSize> writer = 46 AllocateTLV(out, unresolvable_address_.size()); 47 writer.CopyToVariableData(unresolvable_address_); 48 } 49 ToString() const50std::string UnresolvableAddressCause::ToString() const { 51 return "Unresolvable Address"; 52 } 53 } // namespace dcsctp 54