1 /*
2  *  Copyright (c) 2021 The WebRTC project authors. All Rights Reserved.
3  *
4  *  Use of this source code is governed by a BSD-style license
5  *  that can be found in the LICENSE file in the root of the source
6  *  tree. An additional intellectual property rights grant can be found
7  *  in the file PATENTS.  All contributing project authors may
8  *  be found in the AUTHORS file in the root of the source tree.
9  */
10 #ifndef NET_DCSCTP_PACKET_ERROR_CAUSE_COOKIE_RECEIVED_WHILE_SHUTTING_DOWN_CAUSE_H_
11 #define NET_DCSCTP_PACKET_ERROR_CAUSE_COOKIE_RECEIVED_WHILE_SHUTTING_DOWN_CAUSE_H_
12 #include <stddef.h>
13 #include <stdint.h>
14 
15 #include <string>
16 #include <vector>
17 
18 #include "absl/strings/string_view.h"
19 #include "api/array_view.h"
20 #include "net/dcsctp/packet/error_cause/error_cause.h"
21 #include "net/dcsctp/packet/tlv_trait.h"
22 
23 namespace dcsctp {
24 
25 // https://tools.ietf.org/html/rfc4960#section-3.3.10.10
26 struct CookieReceivedWhileShuttingDownCauseConfig : public ParameterConfig {
27   static constexpr int kType = 10;
28   static constexpr size_t kHeaderSize = 4;
29   static constexpr size_t kVariableLengthAlignment = 0;
30 };
31 
32 class CookieReceivedWhileShuttingDownCause
33     : public Parameter,
34       public TLVTrait<CookieReceivedWhileShuttingDownCauseConfig> {
35  public:
36   static constexpr int kType =
37       CookieReceivedWhileShuttingDownCauseConfig::kType;
38 
CookieReceivedWhileShuttingDownCause()39   CookieReceivedWhileShuttingDownCause() {}
40 
41   static absl::optional<CookieReceivedWhileShuttingDownCause> Parse(
42       rtc::ArrayView<const uint8_t> data);
43 
44   void SerializeTo(std::vector<uint8_t>& out) const override;
45   std::string ToString() const override;
46 };
47 
48 }  // namespace dcsctp
49 
50 #endif  // NET_DCSCTP_PACKET_ERROR_CAUSE_COOKIE_RECEIVED_WHILE_SHUTTING_DOWN_CAUSE_H_
51