67 lines
2.0 KiB
C
67 lines
2.0 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_FORWARD_TSN_COMMON_H_
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#define NET_DCSCTP_PACKET_CHUNK_FORWARD_TSN_COMMON_H_
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#include <stdint.h>
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#include <utility>
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#include <vector>
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#include "api/array_view.h"
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#include "net/dcsctp/packet/chunk/chunk.h"
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namespace dcsctp {
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// Base class for both ForwardTsnChunk and IForwardTsnChunk
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class AnyForwardTsnChunk : public Chunk {
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public:
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struct SkippedStream {
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SkippedStream(StreamID stream_id, SSN ssn)
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: stream_id(stream_id), ssn(ssn), unordered(false), message_id(0) {}
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SkippedStream(IsUnordered unordered, StreamID stream_id, MID message_id)
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: stream_id(stream_id),
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ssn(0),
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unordered(unordered),
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message_id(message_id) {}
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StreamID stream_id;
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// Set for FORWARD_TSN
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SSN ssn;
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// Set for I-FORWARD_TSN
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IsUnordered unordered;
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MID message_id;
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bool operator==(const SkippedStream& other) const {
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return stream_id == other.stream_id && ssn == other.ssn &&
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unordered == other.unordered && message_id == other.message_id;
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}
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};
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AnyForwardTsnChunk(TSN new_cumulative_tsn,
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std::vector<SkippedStream> skipped_streams)
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: new_cumulative_tsn_(new_cumulative_tsn),
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skipped_streams_(std::move(skipped_streams)) {}
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TSN new_cumulative_tsn() const { return new_cumulative_tsn_; }
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rtc::ArrayView<const SkippedStream> skipped_streams() const {
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return skipped_streams_;
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}
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private:
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TSN new_cumulative_tsn_;
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std::vector<SkippedStream> skipped_streams_;
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};
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} // namespace dcsctp
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#endif // NET_DCSCTP_PACKET_CHUNK_FORWARD_TSN_COMMON_H_
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