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 #ifndef NET_DCSCTP_PACKET_CHUNK_RECONFIG_CHUNK_H_ 11 #define NET_DCSCTP_PACKET_CHUNK_RECONFIG_CHUNK_H_ 12 #include <stddef.h> 13 #include <stdint.h> 14 15 #include <string> 16 #include <utility> 17 #include <vector> 18 19 #include "absl/strings/string_view.h" 20 #include "api/array_view.h" 21 #include "net/dcsctp/packet/chunk/chunk.h" 22 #include "net/dcsctp/packet/parameter/parameter.h" 23 #include "net/dcsctp/packet/tlv_trait.h" 24 25 namespace dcsctp { 26 27 // https://tools.ietf.org/html/rfc6525#section-3.1 28 struct ReConfigChunkConfig : ChunkConfig { 29 static constexpr int kType = 130; 30 static constexpr size_t kHeaderSize = 4; 31 static constexpr size_t kVariableLengthAlignment = 1; 32 }; 33 34 class ReConfigChunk : public Chunk, public TLVTrait<ReConfigChunkConfig> { 35 public: 36 static constexpr int kType = ReConfigChunkConfig::kType; 37 ReConfigChunk(Parameters parameters)38 explicit ReConfigChunk(Parameters parameters) 39 : parameters_(std::move(parameters)) {} 40 41 static absl::optional<ReConfigChunk> Parse( 42 rtc::ArrayView<const uint8_t> data); 43 44 void SerializeTo(std::vector<uint8_t>& out) const override; 45 std::string ToString() const override; 46 parameters()47 const Parameters& parameters() const { return parameters_; } extract_parameters()48 Parameters extract_parameters() { return std::move(parameters_); } 49 50 private: 51 Parameters parameters_; 52 }; 53 54 } // namespace dcsctp 55 56 #endif // NET_DCSCTP_PACKET_CHUNK_RECONFIG_CHUNK_H_ 57