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_INVALID_STREAM_IDENTIFIER_CAUSE_H_ 11 #define NET_DCSCTP_PACKET_ERROR_CAUSE_INVALID_STREAM_IDENTIFIER_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 #include "net/dcsctp/public/types.h" 23 24 namespace dcsctp { 25 26 // https://tools.ietf.org/html/rfc4960#section-3.3.10.1 27 struct InvalidStreamIdentifierCauseConfig : public ParameterConfig { 28 static constexpr int kType = 1; 29 static constexpr size_t kHeaderSize = 8; 30 static constexpr size_t kVariableLengthAlignment = 0; 31 }; 32 33 class InvalidStreamIdentifierCause 34 : public Parameter, 35 public TLVTrait<InvalidStreamIdentifierCauseConfig> { 36 public: 37 static constexpr int kType = InvalidStreamIdentifierCauseConfig::kType; 38 InvalidStreamIdentifierCause(StreamID stream_id)39 explicit InvalidStreamIdentifierCause(StreamID stream_id) 40 : stream_id_(stream_id) {} 41 42 static absl::optional<InvalidStreamIdentifierCause> Parse( 43 rtc::ArrayView<const uint8_t> data); 44 45 void SerializeTo(std::vector<uint8_t>& out) const override; 46 std::string ToString() const override; 47 stream_id()48 StreamID stream_id() const { return stream_id_; } 49 50 private: 51 StreamID stream_id_; 52 }; 53 54 } // namespace dcsctp 55 56 #endif // NET_DCSCTP_PACKET_ERROR_CAUSE_INVALID_STREAM_IDENTIFIER_CAUSE_H_ 57