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Diffstat (limited to 'third_party/libwebrtc/net/dcsctp/packet/chunk/heartbeat_ack_chunk.h')
-rw-r--r-- | third_party/libwebrtc/net/dcsctp/packet/chunk/heartbeat_ack_chunk.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/third_party/libwebrtc/net/dcsctp/packet/chunk/heartbeat_ack_chunk.h b/third_party/libwebrtc/net/dcsctp/packet/chunk/heartbeat_ack_chunk.h new file mode 100644 index 0000000000..a6479f78b0 --- /dev/null +++ b/third_party/libwebrtc/net/dcsctp/packet/chunk/heartbeat_ack_chunk.h @@ -0,0 +1,63 @@ +/* + * 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_HEARTBEAT_ACK_CHUNK_H_ +#define NET_DCSCTP_PACKET_CHUNK_HEARTBEAT_ACK_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/parameter/heartbeat_info_parameter.h" +#include "net/dcsctp/packet/parameter/parameter.h" +#include "net/dcsctp/packet/tlv_trait.h" + +namespace dcsctp { + +// https://tools.ietf.org/html/rfc4960#section-3.3.6 +struct HeartbeatAckChunkConfig : ChunkConfig { + static constexpr int kType = 5; + static constexpr size_t kHeaderSize = 4; + static constexpr size_t kVariableLengthAlignment = 1; +}; + +class HeartbeatAckChunk : public Chunk, + public TLVTrait<HeartbeatAckChunkConfig> { + public: + static constexpr int kType = HeartbeatAckChunkConfig::kType; + + explicit HeartbeatAckChunk(Parameters parameters) + : parameters_(std::move(parameters)) {} + + HeartbeatAckChunk(HeartbeatAckChunk&& other) = default; + HeartbeatAckChunk& operator=(HeartbeatAckChunk&& other) = default; + + static absl::optional<HeartbeatAckChunk> Parse( + rtc::ArrayView<const uint8_t> data); + + void SerializeTo(std::vector<uint8_t>& out) const override; + std::string ToString() const override; + + const Parameters& parameters() const { return parameters_; } + + absl::optional<HeartbeatInfoParameter> info() const { + return parameters_.get<HeartbeatInfoParameter>(); + } + + private: + Parameters parameters_; +}; +} // namespace dcsctp + +#endif // NET_DCSCTP_PACKET_CHUNK_HEARTBEAT_ACK_CHUNK_H_ |