blob: a6479f78b0bdff20c123bcdc9b67f3f57a6a9c3a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
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_
|
