1 files changed, 64 insertions, 0 deletions
diff --git a/third_party/libwebrtc/net/dcsctp/packet/chunk/abort_chunk.h b/third_party/libwebrtc/net/dcsctp/packet/chunk/abort_chunk.h
new file mode 100644
index 0000000000..1408a75e80
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+++ b/third_party/libwebrtc/net/dcsctp/packet/chunk/abort_chunk.h
@@ -0,0 +1,64 @@
+/*
+ *  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.
+ */
+#ifndef NET_DCSCTP_PACKET_CHUNK_ABORT_CHUNK_H_
+#define NET_DCSCTP_PACKET_CHUNK_ABORT_CHUNK_H_
+#include <stddef.h>
+#include <stdint.h>
+
+#include <string>
+#include <utility>
+#include <vector>
+
+#include "absl/strings/string_view.h"
+#include "api/array_view.h"
+#include "net/dcsctp/packet/chunk/chunk.h"
+#include "net/dcsctp/packet/error_cause/error_cause.h"
+#include "net/dcsctp/packet/tlv_trait.h"
+
+namespace dcsctp {
+
+// https://tools.ietf.org/html/rfc4960#section-3.3.7
+struct AbortChunkConfig : ChunkConfig {
+  static constexpr int kType = 6;
+  static constexpr size_t kHeaderSize = 4;
+  static constexpr size_t kVariableLengthAlignment = 1;
+};
+
+class AbortChunk : public Chunk, public TLVTrait<AbortChunkConfig> {
+ public:
+  static constexpr int kType = AbortChunkConfig::kType;
+
+  AbortChunk(bool filled_in_verification_tag, Parameters error_causes)
+      : filled_in_verification_tag_(filled_in_verification_tag),
+        error_causes_(std::move(error_causes)) {}
+
+  AbortChunk(AbortChunk&& other) = default;
+  AbortChunk& operator=(AbortChunk&& other) = default;
+
+  static absl::optional<AbortChunk> Parse(rtc::ArrayView<const uint8_t> data);
+
+  void SerializeTo(std::vector<uint8_t>& out) const override;
+  std::string ToString() const override;
+
+  bool filled_in_verification_tag() const {
+    return filled_in_verification_tag_;
+  }
+
+  const Parameters& error_causes() const { return error_causes_; }
+
+ private:
+  static constexpr int kFlagsBitT = 0;
+  bool filled_in_verification_tag_;
+  Parameters error_causes_;
+};
+
+}  // namespace dcsctp
+
+#endif  // NET_DCSCTP_PACKET_CHUNK_ABORT_CHUNK_H_