mirror of
https://github.com/mollyim/webrtc.git
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4b7024b572
This reverts commit 2db59a6584.
Reason for revert: Causes msan-issue in crc32c, reading uninitialized
memory.
Bug: webrtc:12943, chromium:1275559
Change-Id: I05f1012d896aeaca86c4562e0df15fa7ea326d60
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/239560
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Commit-Queue: Victor Boivie <boivie@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#35461}
70 lines
2.2 KiB
C++
70 lines
2.2 KiB
C++
/*
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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_DATA_CHUNK_H_
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#define NET_DCSCTP_PACKET_CHUNK_DATA_CHUNK_H_
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#include <stddef.h>
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#include <stdint.h>
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#include <cstdint>
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#include <string>
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#include <utility>
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#include <vector>
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#include "absl/strings/string_view.h"
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#include "api/array_view.h"
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#include "net/dcsctp/packet/chunk/chunk.h"
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#include "net/dcsctp/packet/chunk/data_common.h"
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#include "net/dcsctp/packet/data.h"
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#include "net/dcsctp/packet/tlv_trait.h"
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namespace dcsctp {
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// https://tools.ietf.org/html/rfc4960#section-3.3.1
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struct DataChunkConfig : ChunkConfig {
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static constexpr int kType = 0;
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static constexpr size_t kHeaderSize = 16;
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static constexpr size_t kVariableLengthAlignment = 1;
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};
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class DataChunk : public AnyDataChunk, public TLVTrait<DataChunkConfig> {
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public:
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static constexpr int kType = DataChunkConfig::kType;
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// Exposed to allow the retransmission queue to make room for the correct
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// header size.
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static constexpr size_t kHeaderSize = DataChunkConfig::kHeaderSize;
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DataChunk(TSN tsn,
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StreamID stream_id,
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SSN ssn,
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PPID ppid,
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std::vector<uint8_t> payload,
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const Options& options)
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: AnyDataChunk(tsn,
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stream_id,
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ssn,
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MID(0),
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FSN(0),
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ppid,
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std::move(payload),
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options) {}
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DataChunk(TSN tsn, Data&& data, bool immediate_ack)
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: AnyDataChunk(tsn, std::move(data), immediate_ack) {}
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static absl::optional<DataChunk> Parse(rtc::ArrayView<const uint8_t> data);
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void SerializeTo(std::vector<uint8_t>& out) const override;
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std::string ToString() const override;
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};
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} // namespace dcsctp
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#endif // NET_DCSCTP_PACKET_CHUNK_DATA_CHUNK_H_
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