64 lines
1.9 KiB
C
64 lines
1.9 KiB
C
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/*
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* Copyright (c) 2021 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef NET_DCSCTP_PACKET_CHUNK_CHUNK_H_
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#define NET_DCSCTP_PACKET_CHUNK_CHUNK_H_
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#include <stddef.h>
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#include <sys/types.h>
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#include <cstdint>
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#include <iterator>
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#include <memory>
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#include <string>
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#include <utility>
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#include <vector>
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#include "absl/algorithm/container.h"
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#include "absl/strings/string_view.h"
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#include "absl/types/optional.h"
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#include "api/array_view.h"
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#include "net/dcsctp/packet/data.h"
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#include "net/dcsctp/packet/error_cause/error_cause.h"
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#include "net/dcsctp/packet/parameter/parameter.h"
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#include "net/dcsctp/packet/tlv_trait.h"
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namespace dcsctp {
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// Base class for all SCTP chunks
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class Chunk {
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public:
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Chunk() {}
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virtual ~Chunk() = default;
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// Chunks can contain data payloads that shouldn't be copied unnecessarily.
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Chunk(Chunk&& other) = default;
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Chunk& operator=(Chunk&& other) = default;
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Chunk(const Chunk&) = delete;
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Chunk& operator=(const Chunk&) = delete;
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// Serializes the chunk to `out`, growing it as necessary.
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virtual void SerializeTo(std::vector<uint8_t>& out) const = 0;
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// Returns a human readable description of this chunk and its parameters.
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virtual std::string ToString() const = 0;
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};
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// Introspects the chunk in `data` and returns a human readable textual
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// representation of it, to be used in debugging.
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std::string DebugConvertChunkToString(rtc::ArrayView<const uint8_t> data);
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struct ChunkConfig {
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static constexpr int kTypeSizeInBytes = 1;
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};
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} // namespace dcsctp
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#endif // NET_DCSCTP_PACKET_CHUNK_CHUNK_H_
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