diff options
Diffstat (limited to 'third_party/libwebrtc/net/dcsctp/packet/parameter')
35 files changed, 2179 insertions, 0 deletions
diff --git a/third_party/libwebrtc/net/dcsctp/packet/parameter/add_incoming_streams_request_parameter.cc b/third_party/libwebrtc/net/dcsctp/packet/parameter/add_incoming_streams_request_parameter.cc new file mode 100644 index 0000000000..c33e3e11f6 --- /dev/null +++ b/third_party/libwebrtc/net/dcsctp/packet/parameter/add_incoming_streams_request_parameter.cc @@ -0,0 +1,68 @@ +/* + * 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. + */ +#include "net/dcsctp/packet/parameter/add_incoming_streams_request_parameter.h" + +#include <stdint.h> + +#include <string> +#include <type_traits> +#include <vector> + +#include "absl/types/optional.h" +#include "api/array_view.h" +#include "net/dcsctp/common/internal_types.h" +#include "net/dcsctp/packet/bounded_byte_reader.h" +#include "net/dcsctp/packet/bounded_byte_writer.h" +#include "net/dcsctp/packet/tlv_trait.h" +#include "rtc_base/strings/string_builder.h" + +namespace dcsctp { + +// https://tools.ietf.org/html/rfc6525#section-4.6 + +// 0 1 2 3 +// 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +// | Parameter Type = 18 | Parameter Length = 12 | +// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +// | Re-configuration Request Sequence Number | +// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +// | Number of new streams | Reserved | +// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +constexpr int AddIncomingStreamsRequestParameter::kType; + +absl::optional<AddIncomingStreamsRequestParameter> +AddIncomingStreamsRequestParameter::Parse(rtc::ArrayView<const uint8_t> data) { + absl::optional<BoundedByteReader<kHeaderSize>> reader = ParseTLV(data); + if (!reader.has_value()) { + return absl::nullopt; + } + ReconfigRequestSN request_sequence_number(reader->Load32<4>()); + uint16_t nbr_of_new_streams = reader->Load16<8>(); + + return AddIncomingStreamsRequestParameter(request_sequence_number, + nbr_of_new_streams); +} + +void AddIncomingStreamsRequestParameter::SerializeTo( + std::vector<uint8_t>& out) const { + BoundedByteWriter<kHeaderSize> writer = AllocateTLV(out); + writer.Store32<4>(*request_sequence_number_); + writer.Store16<8>(nbr_of_new_streams_); +} + +std::string AddIncomingStreamsRequestParameter::ToString() const { + rtc::StringBuilder sb; + sb << "Add Incoming Streams Request, req_seq_nbr=" + << *request_sequence_number(); + return sb.Release(); +} + +} // namespace dcsctp diff --git a/third_party/libwebrtc/net/dcsctp/packet/parameter/add_incoming_streams_request_parameter.h b/third_party/libwebrtc/net/dcsctp/packet/parameter/add_incoming_streams_request_parameter.h new file mode 100644 index 0000000000..3859eb3f7e --- /dev/null +++ b/third_party/libwebrtc/net/dcsctp/packet/parameter/add_incoming_streams_request_parameter.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_PARAMETER_ADD_INCOMING_STREAMS_REQUEST_PARAMETER_H_ +#define NET_DCSCTP_PACKET_PARAMETER_ADD_INCOMING_STREAMS_REQUEST_PARAMETER_H_ +#include <stddef.h> +#include <stdint.h> + +#include <string> +#include <vector> + +#include "absl/strings/string_view.h" +#include "api/array_view.h" +#include "net/dcsctp/common/internal_types.h" +#include "net/dcsctp/packet/parameter/parameter.h" +#include "net/dcsctp/packet/tlv_trait.h" + +namespace dcsctp { + +// https://tools.ietf.org/html/rfc6525#section-4.6 +struct AddIncomingStreamsRequestParameterConfig : ParameterConfig { + static constexpr int kType = 18; + static constexpr size_t kHeaderSize = 12; + static constexpr size_t kVariableLengthAlignment = 0; +}; + +class AddIncomingStreamsRequestParameter + : public Parameter, + public TLVTrait<AddIncomingStreamsRequestParameterConfig> { + public: + static constexpr int kType = AddIncomingStreamsRequestParameterConfig::kType; + + explicit AddIncomingStreamsRequestParameter( + ReconfigRequestSN request_sequence_number, + uint16_t nbr_of_new_streams) + : request_sequence_number_(request_sequence_number), + nbr_of_new_streams_(nbr_of_new_streams) {} + + static absl::optional<AddIncomingStreamsRequestParameter> Parse( + rtc::ArrayView<const uint8_t> data); + + void SerializeTo(std::vector<uint8_t>& out) const override; + std::string ToString() const override; + + ReconfigRequestSN request_sequence_number() const { + return request_sequence_number_; + } + uint16_t nbr_of_new_streams() const { return nbr_of_new_streams_; } + + private: + ReconfigRequestSN request_sequence_number_; + uint16_t nbr_of_new_streams_; +}; + +} // namespace dcsctp + +#endif // NET_DCSCTP_PACKET_PARAMETER_ADD_INCOMING_STREAMS_REQUEST_PARAMETER_H_ diff --git a/third_party/libwebrtc/net/dcsctp/packet/parameter/add_incoming_streams_request_parameter_test.cc b/third_party/libwebrtc/net/dcsctp/packet/parameter/add_incoming_streams_request_parameter_test.cc new file mode 100644 index 0000000000..a29257a8f8 --- /dev/null +++ b/third_party/libwebrtc/net/dcsctp/packet/parameter/add_incoming_streams_request_parameter_test.cc @@ -0,0 +1,38 @@ +/* + * 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. + */ +#include "net/dcsctp/packet/parameter/add_incoming_streams_request_parameter.h" + +#include <stdint.h> + +#include <type_traits> +#include <vector> + +#include "net/dcsctp/testing/testing_macros.h" +#include "rtc_base/gunit.h" + +namespace dcsctp { +namespace { + +TEST(AddIncomingStreamsRequestParameterTest, SerializeAndDeserialize) { + AddIncomingStreamsRequestParameter parameter(ReconfigRequestSN(1), 2); + + std::vector<uint8_t> serialized; + parameter.SerializeTo(serialized); + + ASSERT_HAS_VALUE_AND_ASSIGN( + AddIncomingStreamsRequestParameter deserialized, + AddIncomingStreamsRequestParameter::Parse(serialized)); + + EXPECT_EQ(*deserialized.request_sequence_number(), 1u); + EXPECT_EQ(deserialized.nbr_of_new_streams(), 2u); +} + +} // namespace +} // namespace dcsctp diff --git a/third_party/libwebrtc/net/dcsctp/packet/parameter/add_outgoing_streams_request_parameter.cc b/third_party/libwebrtc/net/dcsctp/packet/parameter/add_outgoing_streams_request_parameter.cc new file mode 100644 index 0000000000..4787ee9718 --- /dev/null +++ b/third_party/libwebrtc/net/dcsctp/packet/parameter/add_outgoing_streams_request_parameter.cc @@ -0,0 +1,67 @@ +/* + * 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. + */ +#include "net/dcsctp/packet/parameter/add_outgoing_streams_request_parameter.h" + +#include <stdint.h> + +#include <string> +#include <type_traits> +#include <vector> + +#include "absl/types/optional.h" +#include "api/array_view.h" +#include "net/dcsctp/packet/bounded_byte_reader.h" +#include "net/dcsctp/packet/bounded_byte_writer.h" +#include "net/dcsctp/packet/tlv_trait.h" +#include "rtc_base/strings/string_builder.h" + +namespace dcsctp { + +// https://tools.ietf.org/html/rfc6525#section-4.5 + +// 0 1 2 3 +// 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +// | Parameter Type = 17 | Parameter Length = 12 | +// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +// | Re-configuration Request Sequence Number | +// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +// | Number of new streams | Reserved | +// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +constexpr int AddOutgoingStreamsRequestParameter::kType; + +absl::optional<AddOutgoingStreamsRequestParameter> +AddOutgoingStreamsRequestParameter::Parse(rtc::ArrayView<const uint8_t> data) { + absl::optional<BoundedByteReader<kHeaderSize>> reader = ParseTLV(data); + if (!reader.has_value()) { + return absl::nullopt; + } + ReconfigRequestSN request_sequence_number(reader->Load32<4>()); + uint16_t nbr_of_new_streams = reader->Load16<8>(); + + return AddOutgoingStreamsRequestParameter(request_sequence_number, + nbr_of_new_streams); +} + +void AddOutgoingStreamsRequestParameter::SerializeTo( + std::vector<uint8_t>& out) const { + BoundedByteWriter<kHeaderSize> writer = AllocateTLV(out); + writer.Store32<4>(*request_sequence_number_); + writer.Store16<8>(nbr_of_new_streams_); +} + +std::string AddOutgoingStreamsRequestParameter::ToString() const { + rtc::StringBuilder sb; + sb << "Add Outgoing Streams Request, req_seq_nbr=" + << *request_sequence_number(); + return sb.Release(); +} + +} // namespace dcsctp diff --git a/third_party/libwebrtc/net/dcsctp/packet/parameter/add_outgoing_streams_request_parameter.h b/third_party/libwebrtc/net/dcsctp/packet/parameter/add_outgoing_streams_request_parameter.h new file mode 100644 index 0000000000..01e8f91cfa --- /dev/null +++ b/third_party/libwebrtc/net/dcsctp/packet/parameter/add_outgoing_streams_request_parameter.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_PARAMETER_ADD_OUTGOING_STREAMS_REQUEST_PARAMETER_H_ +#define NET_DCSCTP_PACKET_PARAMETER_ADD_OUTGOING_STREAMS_REQUEST_PARAMETER_H_ +#include <stddef.h> +#include <stdint.h> + +#include <string> +#include <vector> + +#include "absl/strings/string_view.h" +#include "api/array_view.h" +#include "net/dcsctp/common/internal_types.h" +#include "net/dcsctp/packet/parameter/parameter.h" +#include "net/dcsctp/packet/tlv_trait.h" + +namespace dcsctp { + +// https://tools.ietf.org/html/rfc6525#section-4.5 +struct AddOutgoingStreamsRequestParameterConfig : ParameterConfig { + static constexpr int kType = 17; + static constexpr size_t kHeaderSize = 12; + static constexpr size_t kVariableLengthAlignment = 0; +}; + +class AddOutgoingStreamsRequestParameter + : public Parameter, + public TLVTrait<AddOutgoingStreamsRequestParameterConfig> { + public: + static constexpr int kType = AddOutgoingStreamsRequestParameterConfig::kType; + + explicit AddOutgoingStreamsRequestParameter( + ReconfigRequestSN request_sequence_number, + uint16_t nbr_of_new_streams) + : request_sequence_number_(request_sequence_number), + nbr_of_new_streams_(nbr_of_new_streams) {} + + static absl::optional<AddOutgoingStreamsRequestParameter> Parse( + rtc::ArrayView<const uint8_t> data); + + void SerializeTo(std::vector<uint8_t>& out) const override; + std::string ToString() const override; + + ReconfigRequestSN request_sequence_number() const { + return request_sequence_number_; + } + uint16_t nbr_of_new_streams() const { return nbr_of_new_streams_; } + + private: + ReconfigRequestSN request_sequence_number_; + uint16_t nbr_of_new_streams_; +}; + +} // namespace dcsctp + +#endif // NET_DCSCTP_PACKET_PARAMETER_ADD_OUTGOING_STREAMS_REQUEST_PARAMETER_H_ diff --git a/third_party/libwebrtc/net/dcsctp/packet/parameter/add_outgoing_streams_request_parameter_test.cc b/third_party/libwebrtc/net/dcsctp/packet/parameter/add_outgoing_streams_request_parameter_test.cc new file mode 100644 index 0000000000..d0303b1ba8 --- /dev/null +++ b/third_party/libwebrtc/net/dcsctp/packet/parameter/add_outgoing_streams_request_parameter_test.cc @@ -0,0 +1,38 @@ +/* + * 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. + */ +#include "net/dcsctp/packet/parameter/add_outgoing_streams_request_parameter.h" + +#include <stdint.h> + +#include <type_traits> +#include <vector> + +#include "net/dcsctp/testing/testing_macros.h" +#include "rtc_base/gunit.h" + +namespace dcsctp { +namespace { + +TEST(AddOutgoingStreamsRequestParameterTest, SerializeAndDeserialize) { + AddOutgoingStreamsRequestParameter parameter(ReconfigRequestSN(1), 2); + + std::vector<uint8_t> serialized; + parameter.SerializeTo(serialized); + + ASSERT_HAS_VALUE_AND_ASSIGN( + AddOutgoingStreamsRequestParameter deserialized, + AddOutgoingStreamsRequestParameter::Parse(serialized)); + + EXPECT_EQ(*deserialized.request_sequence_number(), 1u); + EXPECT_EQ(deserialized.nbr_of_new_streams(), 2u); +} + +} // namespace +} // namespace dcsctp diff --git a/third_party/libwebrtc/net/dcsctp/packet/parameter/forward_tsn_supported_parameter.cc b/third_party/libwebrtc/net/dcsctp/packet/parameter/forward_tsn_supported_parameter.cc new file mode 100644 index 0000000000..7dd8e1923f --- /dev/null +++ b/third_party/libwebrtc/net/dcsctp/packet/parameter/forward_tsn_supported_parameter.cc @@ -0,0 +1,45 @@ +/* + * 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. + */ +#include "net/dcsctp/packet/parameter/forward_tsn_supported_parameter.h" + +#include <stdint.h> + +#include <vector> + +#include "absl/types/optional.h" +#include "api/array_view.h" + +namespace dcsctp { + +// https://tools.ietf.org/html/rfc3758#section-3.1 + +// 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +// | Parameter Type = 49152 | Parameter Length = 4 | +// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +constexpr int ForwardTsnSupportedParameter::kType; + +absl::optional<ForwardTsnSupportedParameter> +ForwardTsnSupportedParameter::Parse(rtc::ArrayView<const uint8_t> data) { + if (!ParseTLV(data).has_value()) { + return absl::nullopt; + } + return ForwardTsnSupportedParameter(); +} + +void ForwardTsnSupportedParameter::SerializeTo( + std::vector<uint8_t>& out) const { + AllocateTLV(out); +} + +std::string ForwardTsnSupportedParameter::ToString() const { + return "Forward TSN Supported"; +} +} // namespace dcsctp diff --git a/third_party/libwebrtc/net/dcsctp/packet/parameter/forward_tsn_supported_parameter.h b/third_party/libwebrtc/net/dcsctp/packet/parameter/forward_tsn_supported_parameter.h new file mode 100644 index 0000000000..d4cff4ac21 --- /dev/null +++ b/third_party/libwebrtc/net/dcsctp/packet/parameter/forward_tsn_supported_parameter.h @@ -0,0 +1,49 @@ +/* + * 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_PARAMETER_FORWARD_TSN_SUPPORTED_PARAMETER_H_ +#define NET_DCSCTP_PACKET_PARAMETER_FORWARD_TSN_SUPPORTED_PARAMETER_H_ +#include <stddef.h> +#include <stdint.h> + +#include <string> +#include <vector> + +#include "absl/strings/string_view.h" +#include "api/array_view.h" +#include "net/dcsctp/packet/parameter/parameter.h" +#include "net/dcsctp/packet/tlv_trait.h" + +namespace dcsctp { + +// https://tools.ietf.org/html/rfc3758#section-3.1 +struct ForwardTsnSupportedParameterConfig : ParameterConfig { + static constexpr int kType = 49152; + static constexpr size_t kHeaderSize = 4; + static constexpr size_t kVariableLengthAlignment = 0; +}; + +class ForwardTsnSupportedParameter + : public Parameter, + public TLVTrait<ForwardTsnSupportedParameterConfig> { + public: + static constexpr int kType = ForwardTsnSupportedParameterConfig::kType; + + ForwardTsnSupportedParameter() {} + + static absl::optional<ForwardTsnSupportedParameter> Parse( + rtc::ArrayView<const uint8_t> data); + + void SerializeTo(std::vector<uint8_t>& out) const override; + std::string ToString() const override; +}; + +} // namespace dcsctp + +#endif // NET_DCSCTP_PACKET_PARAMETER_FORWARD_TSN_SUPPORTED_PARAMETER_H_ diff --git a/third_party/libwebrtc/net/dcsctp/packet/parameter/forward_tsn_supported_parameter_test.cc b/third_party/libwebrtc/net/dcsctp/packet/parameter/forward_tsn_supported_parameter_test.cc new file mode 100644 index 0000000000..fb4f983fae --- /dev/null +++ b/third_party/libwebrtc/net/dcsctp/packet/parameter/forward_tsn_supported_parameter_test.cc @@ -0,0 +1,34 @@ +/* + * 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. + */ +#include "net/dcsctp/packet/parameter/forward_tsn_supported_parameter.h" + +#include <stdint.h> + +#include <type_traits> +#include <vector> + +#include "net/dcsctp/testing/testing_macros.h" +#include "rtc_base/gunit.h" + +namespace dcsctp { +namespace { + +TEST(ForwardTsnSupportedParameterTest, SerializeAndDeserialize) { + ForwardTsnSupportedParameter parameter; + + std::vector<uint8_t> serialized; + parameter.SerializeTo(serialized); + + ASSERT_HAS_VALUE_AND_ASSIGN(ForwardTsnSupportedParameter deserialized, + ForwardTsnSupportedParameter::Parse(serialized)); +} + +} // namespace +} // namespace dcsctp diff --git a/third_party/libwebrtc/net/dcsctp/packet/parameter/heartbeat_info_parameter.cc b/third_party/libwebrtc/net/dcsctp/packet/parameter/heartbeat_info_parameter.cc new file mode 100644 index 0000000000..918976d305 --- /dev/null +++ b/third_party/libwebrtc/net/dcsctp/packet/parameter/heartbeat_info_parameter.cc @@ -0,0 +1,60 @@ +/* + * 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. + */ +#include "net/dcsctp/packet/parameter/heartbeat_info_parameter.h" + +#include <stdint.h> + +#include <string> +#include <type_traits> +#include <vector> + +#include "absl/types/optional.h" +#include "api/array_view.h" +#include "net/dcsctp/packet/bounded_byte_reader.h" +#include "net/dcsctp/packet/bounded_byte_writer.h" +#include "net/dcsctp/packet/tlv_trait.h" +#include "rtc_base/strings/string_builder.h" + +namespace dcsctp { + +// https://tools.ietf.org/html/rfc4960#section-3.3.5 + +// 0 1 2 3 +// 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +// | Type = 4 | Chunk Flags | Heartbeat Length | +// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +// \ \ +// / Heartbeat Information TLV (Variable-Length) / +// \ \ +// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +constexpr int HeartbeatInfoParameter::kType; + +absl::optional<HeartbeatInfoParameter> HeartbeatInfoParameter::Parse( + rtc::ArrayView<const uint8_t> data) { + absl::optional<BoundedByteReader<kHeaderSize>> reader = ParseTLV(data); + if (!reader.has_value()) { + return absl::nullopt; + } + return HeartbeatInfoParameter(reader->variable_data()); +} + +void HeartbeatInfoParameter::SerializeTo(std::vector<uint8_t>& out) const { + BoundedByteWriter<kHeaderSize> writer = AllocateTLV(out, info_.size()); + writer.CopyToVariableData(info_); +} + +std::string HeartbeatInfoParameter::ToString() const { + rtc::StringBuilder sb; + sb << "Heartbeat Info parameter (info_length=" << info_.size() << ")"; + return sb.Release(); +} + +} // namespace dcsctp diff --git a/third_party/libwebrtc/net/dcsctp/packet/parameter/heartbeat_info_parameter.h b/third_party/libwebrtc/net/dcsctp/packet/parameter/heartbeat_info_parameter.h new file mode 100644 index 0000000000..ec503a94b2 --- /dev/null +++ b/third_party/libwebrtc/net/dcsctp/packet/parameter/heartbeat_info_parameter.h @@ -0,0 +1,54 @@ +/* + * 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_PARAMETER_HEARTBEAT_INFO_PARAMETER_H_ +#define NET_DCSCTP_PACKET_PARAMETER_HEARTBEAT_INFO_PARAMETER_H_ +#include <stddef.h> + +#include <cstdint> +#include <string> +#include <vector> + +#include "absl/strings/string_view.h" +#include "api/array_view.h" +#include "net/dcsctp/packet/parameter/parameter.h" +#include "net/dcsctp/packet/tlv_trait.h" + +namespace dcsctp { + +// https://tools.ietf.org/html/rfc4960#section-3.3.5 +struct HeartbeatInfoParameterConfig : ParameterConfig { + static constexpr int kType = 1; + static constexpr size_t kHeaderSize = 4; + static constexpr size_t kVariableLengthAlignment = 1; +}; + +class HeartbeatInfoParameter : public Parameter, + public TLVTrait<HeartbeatInfoParameterConfig> { + public: + static constexpr int kType = HeartbeatInfoParameterConfig::kType; + + explicit HeartbeatInfoParameter(rtc::ArrayView<const uint8_t> info) + : info_(info.begin(), info.end()) {} + + static absl::optional<HeartbeatInfoParameter> Parse( + rtc::ArrayView<const uint8_t> data); + + void SerializeTo(std::vector<uint8_t>& out) const override; + std::string ToString() const override; + + rtc::ArrayView<const uint8_t> info() const { return info_; } + + private: + std::vector<uint8_t> info_; +}; + +} // namespace dcsctp + +#endif // NET_DCSCTP_PACKET_PARAMETER_HEARTBEAT_INFO_PARAMETER_H_ diff --git a/third_party/libwebrtc/net/dcsctp/packet/parameter/incoming_ssn_reset_request_parameter.cc b/third_party/libwebrtc/net/dcsctp/packet/parameter/incoming_ssn_reset_request_parameter.cc new file mode 100644 index 0000000000..6191adfe9d --- /dev/null +++ b/third_party/libwebrtc/net/dcsctp/packet/parameter/incoming_ssn_reset_request_parameter.cc @@ -0,0 +1,89 @@ +/* + * 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. + */ +#include "net/dcsctp/packet/parameter/incoming_ssn_reset_request_parameter.h" + +#include <stddef.h> + +#include <cstdint> +#include <string> +#include <utility> +#include <vector> + +#include "absl/types/optional.h" +#include "api/array_view.h" +#include "net/dcsctp/packet/bounded_byte_reader.h" +#include "net/dcsctp/packet/bounded_byte_writer.h" +#include "net/dcsctp/packet/tlv_trait.h" +#include "rtc_base/strings/string_builder.h" + +namespace dcsctp { + +// https://tools.ietf.org/html/rfc6525#section-4.2 + +// 0 1 2 3 +// 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +// | Parameter Type = 14 | Parameter Length = 8 + 2 * N | +// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +// | Re-configuration Request Sequence Number | +// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +// | Stream Number 1 (optional) | Stream Number 2 (optional) | +// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +// / ...... / +// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +// | Stream Number N-1 (optional) | Stream Number N (optional) | +// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +constexpr int IncomingSSNResetRequestParameter::kType; + +absl::optional<IncomingSSNResetRequestParameter> +IncomingSSNResetRequestParameter::Parse(rtc::ArrayView<const uint8_t> data) { + absl::optional<BoundedByteReader<kHeaderSize>> reader = ParseTLV(data); + if (!reader.has_value()) { + return absl::nullopt; + } + + ReconfigRequestSN request_sequence_number(reader->Load32<4>()); + + size_t stream_count = reader->variable_data_size() / kStreamIdSize; + std::vector<StreamID> stream_ids; + stream_ids.reserve(stream_count); + for (size_t i = 0; i < stream_count; ++i) { + BoundedByteReader<kStreamIdSize> sub_reader = + reader->sub_reader<kStreamIdSize>(i * kStreamIdSize); + + stream_ids.push_back(StreamID(sub_reader.Load16<0>())); + } + + return IncomingSSNResetRequestParameter(request_sequence_number, + std::move(stream_ids)); +} + +void IncomingSSNResetRequestParameter::SerializeTo( + std::vector<uint8_t>& out) const { + size_t variable_size = stream_ids_.size() * kStreamIdSize; + BoundedByteWriter<kHeaderSize> writer = AllocateTLV(out, variable_size); + + writer.Store32<4>(*request_sequence_number_); + + for (size_t i = 0; i < stream_ids_.size(); ++i) { + BoundedByteWriter<kStreamIdSize> sub_writer = + writer.sub_writer<kStreamIdSize>(i * kStreamIdSize); + sub_writer.Store16<0>(*stream_ids_[i]); + } +} + +std::string IncomingSSNResetRequestParameter::ToString() const { + rtc::StringBuilder sb; + sb << "Incoming SSN Reset Request, req_seq_nbr=" + << *request_sequence_number(); + return sb.Release(); +} + +} // namespace dcsctp diff --git a/third_party/libwebrtc/net/dcsctp/packet/parameter/incoming_ssn_reset_request_parameter.h b/third_party/libwebrtc/net/dcsctp/packet/parameter/incoming_ssn_reset_request_parameter.h new file mode 100644 index 0000000000..18963efafc --- /dev/null +++ b/third_party/libwebrtc/net/dcsctp/packet/parameter/incoming_ssn_reset_request_parameter.h @@ -0,0 +1,66 @@ +/* + * 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_PARAMETER_INCOMING_SSN_RESET_REQUEST_PARAMETER_H_ +#define NET_DCSCTP_PACKET_PARAMETER_INCOMING_SSN_RESET_REQUEST_PARAMETER_H_ +#include <stddef.h> + +#include <cstdint> +#include <string> +#include <utility> +#include <vector> + +#include "absl/strings/string_view.h" +#include "api/array_view.h" +#include "net/dcsctp/common/internal_types.h" +#include "net/dcsctp/packet/parameter/parameter.h" +#include "net/dcsctp/public/types.h" + +namespace dcsctp { + +// https://tools.ietf.org/html/rfc6525#section-4.2 +struct IncomingSSNResetRequestParameterConfig : ParameterConfig { + static constexpr int kType = 14; + static constexpr size_t kHeaderSize = 8; + static constexpr size_t kVariableLengthAlignment = 2; +}; + +class IncomingSSNResetRequestParameter + : public Parameter, + public TLVTrait<IncomingSSNResetRequestParameterConfig> { + public: + static constexpr int kType = IncomingSSNResetRequestParameterConfig::kType; + + explicit IncomingSSNResetRequestParameter( + ReconfigRequestSN request_sequence_number, + std::vector<StreamID> stream_ids) + : request_sequence_number_(request_sequence_number), + stream_ids_(std::move(stream_ids)) {} + + static absl::optional<IncomingSSNResetRequestParameter> Parse( + rtc::ArrayView<const uint8_t> data); + + void SerializeTo(std::vector<uint8_t>& out) const override; + std::string ToString() const override; + + ReconfigRequestSN request_sequence_number() const { + return request_sequence_number_; + } + rtc::ArrayView<const StreamID> stream_ids() const { return stream_ids_; } + + private: + static constexpr size_t kStreamIdSize = sizeof(uint16_t); + + ReconfigRequestSN request_sequence_number_; + std::vector<StreamID> stream_ids_; +}; + +} // namespace dcsctp + +#endif // NET_DCSCTP_PACKET_PARAMETER_INCOMING_SSN_RESET_REQUEST_PARAMETER_H_ diff --git a/third_party/libwebrtc/net/dcsctp/packet/parameter/incoming_ssn_reset_request_parameter_test.cc b/third_party/libwebrtc/net/dcsctp/packet/parameter/incoming_ssn_reset_request_parameter_test.cc new file mode 100644 index 0000000000..17793f6638 --- /dev/null +++ b/third_party/libwebrtc/net/dcsctp/packet/parameter/incoming_ssn_reset_request_parameter_test.cc @@ -0,0 +1,42 @@ +/* + * 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. + */ +#include "net/dcsctp/packet/parameter/incoming_ssn_reset_request_parameter.h" + +#include <cstdint> +#include <type_traits> +#include <vector> + +#include "api/array_view.h" +#include "net/dcsctp/testing/testing_macros.h" +#include "rtc_base/gunit.h" +#include "test/gmock.h" + +namespace dcsctp { +namespace { +using ::testing::ElementsAre; + +TEST(IncomingSSNResetRequestParameterTest, SerializeAndDeserialize) { + IncomingSSNResetRequestParameter parameter( + ReconfigRequestSN(1), {StreamID(2), StreamID(3), StreamID(4)}); + + std::vector<uint8_t> serialized; + parameter.SerializeTo(serialized); + + ASSERT_HAS_VALUE_AND_ASSIGN( + IncomingSSNResetRequestParameter deserialized, + IncomingSSNResetRequestParameter::Parse(serialized)); + + EXPECT_EQ(*deserialized.request_sequence_number(), 1u); + EXPECT_THAT(deserialized.stream_ids(), + ElementsAre(StreamID(2), StreamID(3), StreamID(4))); +} + +} // namespace +} // namespace dcsctp diff --git a/third_party/libwebrtc/net/dcsctp/packet/parameter/outgoing_ssn_reset_request_parameter.cc b/third_party/libwebrtc/net/dcsctp/packet/parameter/outgoing_ssn_reset_request_parameter.cc new file mode 100644 index 0000000000..c25a2426be --- /dev/null +++ b/third_party/libwebrtc/net/dcsctp/packet/parameter/outgoing_ssn_reset_request_parameter.cc @@ -0,0 +1,101 @@ +/* + * 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. + */ +#include "net/dcsctp/packet/parameter/outgoing_ssn_reset_request_parameter.h" + +#include <stddef.h> + +#include <cstdint> +#include <string> +#include <utility> +#include <vector> + +#include "absl/types/optional.h" +#include "api/array_view.h" +#include "net/dcsctp/common/internal_types.h" +#include "net/dcsctp/packet/bounded_byte_reader.h" +#include "net/dcsctp/packet/bounded_byte_writer.h" +#include "net/dcsctp/packet/tlv_trait.h" +#include "net/dcsctp/public/types.h" +#include "rtc_base/strings/string_builder.h" + +namespace dcsctp { + +// https://tools.ietf.org/html/rfc6525#section-4.1 + +// 0 1 2 3 +// 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +// | Parameter Type = 13 | Parameter Length = 16 + 2 * N | +// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +// | Re-configuration Request Sequence Number | +// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +// | Re-configuration Response Sequence Number | +// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +// | Sender's Last Assigned TSN | +// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +// | Stream Number 1 (optional) | Stream Number 2 (optional) | +// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +// / ...... / +// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +// | Stream Number N-1 (optional) | Stream Number N (optional) | +// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +constexpr int OutgoingSSNResetRequestParameter::kType; + +absl::optional<OutgoingSSNResetRequestParameter> +OutgoingSSNResetRequestParameter::Parse(rtc::ArrayView<const uint8_t> data) { + absl::optional<BoundedByteReader<kHeaderSize>> reader = ParseTLV(data); + if (!reader.has_value()) { + return absl::nullopt; + } + + ReconfigRequestSN request_sequence_number(reader->Load32<4>()); + ReconfigRequestSN response_sequence_number(reader->Load32<8>()); + TSN sender_last_assigned_tsn(reader->Load32<12>()); + + size_t stream_count = reader->variable_data_size() / kStreamIdSize; + std::vector<StreamID> stream_ids; + stream_ids.reserve(stream_count); + for (size_t i = 0; i < stream_count; ++i) { + BoundedByteReader<kStreamIdSize> sub_reader = + reader->sub_reader<kStreamIdSize>(i * kStreamIdSize); + + stream_ids.push_back(StreamID(sub_reader.Load16<0>())); + } + + return OutgoingSSNResetRequestParameter( + request_sequence_number, response_sequence_number, + sender_last_assigned_tsn, std::move(stream_ids)); +} + +void OutgoingSSNResetRequestParameter::SerializeTo( + std::vector<uint8_t>& out) const { + size_t variable_size = stream_ids_.size() * kStreamIdSize; + BoundedByteWriter<kHeaderSize> writer = AllocateTLV(out, variable_size); + + writer.Store32<4>(*request_sequence_number_); + writer.Store32<8>(*response_sequence_number_); + writer.Store32<12>(*sender_last_assigned_tsn_); + + for (size_t i = 0; i < stream_ids_.size(); ++i) { + BoundedByteWriter<kStreamIdSize> sub_writer = + writer.sub_writer<kStreamIdSize>(i * kStreamIdSize); + sub_writer.Store16<0>(*stream_ids_[i]); + } +} + +std::string OutgoingSSNResetRequestParameter::ToString() const { + rtc::StringBuilder sb; + sb << "Outgoing SSN Reset Request, req_seq_nbr=" << *request_sequence_number() + << ", resp_seq_nbr=" << *response_sequence_number() + << ", sender_last_asg_tsn=" << *sender_last_assigned_tsn(); + return sb.Release(); +} + +} // namespace dcsctp diff --git a/third_party/libwebrtc/net/dcsctp/packet/parameter/outgoing_ssn_reset_request_parameter.h b/third_party/libwebrtc/net/dcsctp/packet/parameter/outgoing_ssn_reset_request_parameter.h new file mode 100644 index 0000000000..6eb44e079f --- /dev/null +++ b/third_party/libwebrtc/net/dcsctp/packet/parameter/outgoing_ssn_reset_request_parameter.h @@ -0,0 +1,78 @@ +/* + * 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_PARAMETER_OUTGOING_SSN_RESET_REQUEST_PARAMETER_H_ +#define NET_DCSCTP_PACKET_PARAMETER_OUTGOING_SSN_RESET_REQUEST_PARAMETER_H_ +#include <stddef.h> +#include <stdint.h> + +#include <cstdint> +#include <string> +#include <utility> +#include <vector> + +#include "absl/strings/string_view.h" +#include "api/array_view.h" +#include "net/dcsctp/common/internal_types.h" +#include "net/dcsctp/packet/parameter/parameter.h" +#include "net/dcsctp/packet/tlv_trait.h" +#include "net/dcsctp/public/types.h" + +namespace dcsctp { + +// https://tools.ietf.org/html/rfc6525#section-4.1 +struct OutgoingSSNResetRequestParameterConfig : ParameterConfig { + static constexpr int kType = 13; + static constexpr size_t kHeaderSize = 16; + static constexpr size_t kVariableLengthAlignment = 2; +}; + +class OutgoingSSNResetRequestParameter + : public Parameter, + public TLVTrait<OutgoingSSNResetRequestParameterConfig> { + public: + static constexpr int kType = OutgoingSSNResetRequestParameterConfig::kType; + + explicit OutgoingSSNResetRequestParameter( + ReconfigRequestSN request_sequence_number, + ReconfigRequestSN response_sequence_number, + TSN sender_last_assigned_tsn, + std::vector<StreamID> stream_ids) + : request_sequence_number_(request_sequence_number), + response_sequence_number_(response_sequence_number), + sender_last_assigned_tsn_(sender_last_assigned_tsn), + stream_ids_(std::move(stream_ids)) {} + + static absl::optional<OutgoingSSNResetRequestParameter> Parse( + rtc::ArrayView<const uint8_t> data); + + void SerializeTo(std::vector<uint8_t>& out) const override; + std::string ToString() const override; + + ReconfigRequestSN request_sequence_number() const { + return request_sequence_number_; + } + ReconfigRequestSN response_sequence_number() const { + return response_sequence_number_; + } + TSN sender_last_assigned_tsn() const { return sender_last_assigned_tsn_; } + rtc::ArrayView<const StreamID> stream_ids() const { return stream_ids_; } + + private: + static constexpr size_t kStreamIdSize = sizeof(uint16_t); + + ReconfigRequestSN request_sequence_number_; + ReconfigRequestSN response_sequence_number_; + TSN sender_last_assigned_tsn_; + std::vector<StreamID> stream_ids_; +}; + +} // namespace dcsctp + +#endif // NET_DCSCTP_PACKET_PARAMETER_OUTGOING_SSN_RESET_REQUEST_PARAMETER_H_ diff --git a/third_party/libwebrtc/net/dcsctp/packet/parameter/outgoing_ssn_reset_request_parameter_test.cc b/third_party/libwebrtc/net/dcsctp/packet/parameter/outgoing_ssn_reset_request_parameter_test.cc new file mode 100644 index 0000000000..dae73c2fba --- /dev/null +++ b/third_party/libwebrtc/net/dcsctp/packet/parameter/outgoing_ssn_reset_request_parameter_test.cc @@ -0,0 +1,47 @@ +/* + * 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. + */ +#include "net/dcsctp/packet/parameter/outgoing_ssn_reset_request_parameter.h" + +#include <cstdint> +#include <type_traits> +#include <vector> + +#include "api/array_view.h" +#include "net/dcsctp/common/internal_types.h" +#include "net/dcsctp/public/types.h" +#include "net/dcsctp/testing/testing_macros.h" +#include "rtc_base/gunit.h" +#include "test/gmock.h" + +namespace dcsctp { +namespace { +using ::testing::ElementsAre; + +TEST(OutgoingSSNResetRequestParameterTest, SerializeAndDeserialize) { + OutgoingSSNResetRequestParameter parameter( + ReconfigRequestSN(1), ReconfigRequestSN(2), TSN(3), + {StreamID(4), StreamID(5), StreamID(6)}); + + std::vector<uint8_t> serialized; + parameter.SerializeTo(serialized); + + ASSERT_HAS_VALUE_AND_ASSIGN( + OutgoingSSNResetRequestParameter deserialized, + OutgoingSSNResetRequestParameter::Parse(serialized)); + + EXPECT_EQ(*deserialized.request_sequence_number(), 1u); + EXPECT_EQ(*deserialized.response_sequence_number(), 2u); + EXPECT_EQ(*deserialized.sender_last_assigned_tsn(), 3u); + EXPECT_THAT(deserialized.stream_ids(), + ElementsAre(StreamID(4), StreamID(5), StreamID(6))); +} + +} // namespace +} // namespace dcsctp diff --git a/third_party/libwebrtc/net/dcsctp/packet/parameter/parameter.cc b/third_party/libwebrtc/net/dcsctp/packet/parameter/parameter.cc new file mode 100644 index 0000000000..b3b2bffef7 --- /dev/null +++ b/third_party/libwebrtc/net/dcsctp/packet/parameter/parameter.cc @@ -0,0 +1,96 @@ +/* + * 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. + */ +#include "net/dcsctp/packet/parameter/parameter.h" + +#include <stddef.h> + +#include <cstdint> +#include <memory> +#include <string> +#include <utility> +#include <vector> + +#include "absl/memory/memory.h" +#include "absl/types/optional.h" +#include "api/array_view.h" +#include "net/dcsctp/common/math.h" +#include "net/dcsctp/packet/bounded_byte_reader.h" +#include "net/dcsctp/packet/parameter/add_incoming_streams_request_parameter.h" +#include "net/dcsctp/packet/parameter/add_outgoing_streams_request_parameter.h" +#include "net/dcsctp/packet/parameter/forward_tsn_supported_parameter.h" +#include "net/dcsctp/packet/parameter/heartbeat_info_parameter.h" +#include "net/dcsctp/packet/parameter/incoming_ssn_reset_request_parameter.h" +#include "net/dcsctp/packet/parameter/outgoing_ssn_reset_request_parameter.h" +#include "net/dcsctp/packet/parameter/reconfiguration_response_parameter.h" +#include "net/dcsctp/packet/parameter/ssn_tsn_reset_request_parameter.h" +#include "net/dcsctp/packet/parameter/state_cookie_parameter.h" +#include "net/dcsctp/packet/parameter/supported_extensions_parameter.h" +#include "net/dcsctp/packet/tlv_trait.h" +#include "rtc_base/logging.h" +#include "rtc_base/strings/string_builder.h" + +namespace dcsctp { + +constexpr size_t kParameterHeaderSize = 4; + +Parameters::Builder& Parameters::Builder::Add(const Parameter& p) { + // https://tools.ietf.org/html/rfc4960#section-3.2.1 + // "If the length of the parameter is not a multiple of 4 bytes, the sender + // pads the parameter at the end (i.e., after the Parameter Value field) with + // all zero bytes." + if (data_.size() % 4 != 0) { + data_.resize(RoundUpTo4(data_.size())); + } + + p.SerializeTo(data_); + return *this; +} + +std::vector<ParameterDescriptor> Parameters::descriptors() const { + rtc::ArrayView<const uint8_t> span(data_); + std::vector<ParameterDescriptor> result; + while (!span.empty()) { + BoundedByteReader<kParameterHeaderSize> header(span); + uint16_t type = header.Load16<0>(); + uint16_t length = header.Load16<2>(); + result.emplace_back(type, span.subview(0, length)); + size_t length_with_padding = RoundUpTo4(length); + if (length_with_padding > span.size()) { + break; + } + span = span.subview(length_with_padding); + } + return result; +} + +absl::optional<Parameters> Parameters::Parse( + rtc::ArrayView<const uint8_t> data) { + // Validate the parameter descriptors + rtc::ArrayView<const uint8_t> span(data); + while (!span.empty()) { + if (span.size() < kParameterHeaderSize) { + RTC_DLOG(LS_WARNING) << "Insufficient parameter length"; + return absl::nullopt; + } + BoundedByteReader<kParameterHeaderSize> header(span); + uint16_t length = header.Load16<2>(); + if (length < kParameterHeaderSize || length > span.size()) { + RTC_DLOG(LS_WARNING) << "Invalid parameter length field"; + return absl::nullopt; + } + size_t length_with_padding = RoundUpTo4(length); + if (length_with_padding > span.size()) { + break; + } + span = span.subview(length_with_padding); + } + return Parameters(std::vector<uint8_t>(data.begin(), data.end())); +} +} // namespace dcsctp diff --git a/third_party/libwebrtc/net/dcsctp/packet/parameter/parameter.h b/third_party/libwebrtc/net/dcsctp/packet/parameter/parameter.h new file mode 100644 index 0000000000..e8fa67c8f7 --- /dev/null +++ b/third_party/libwebrtc/net/dcsctp/packet/parameter/parameter.h @@ -0,0 +1,96 @@ +/* + * 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_PARAMETER_PARAMETER_H_ +#define NET_DCSCTP_PACKET_PARAMETER_PARAMETER_H_ + +#include <stddef.h> + +#include <algorithm> +#include <cstdint> +#include <iterator> +#include <memory> +#include <string> +#include <type_traits> +#include <utility> +#include <vector> + +#include "absl/algorithm/container.h" +#include "absl/strings/string_view.h" +#include "absl/types/optional.h" +#include "api/array_view.h" +#include "net/dcsctp/packet/tlv_trait.h" +#include "rtc_base/strings/string_builder.h" + +namespace dcsctp { + +class Parameter { + public: + Parameter() {} + virtual ~Parameter() = default; + + Parameter(const Parameter& other) = default; + Parameter& operator=(const Parameter& other) = default; + + virtual void SerializeTo(std::vector<uint8_t>& out) const = 0; + virtual std::string ToString() const = 0; +}; + +struct ParameterDescriptor { + ParameterDescriptor(uint16_t type, rtc::ArrayView<const uint8_t> data) + : type(type), data(data) {} + uint16_t type; + rtc::ArrayView<const uint8_t> data; +}; + +class Parameters { + public: + class Builder { + public: + Builder() {} + Builder& Add(const Parameter& p); + Parameters Build() { return Parameters(std::move(data_)); } + + private: + std::vector<uint8_t> data_; + }; + + static absl::optional<Parameters> Parse(rtc::ArrayView<const uint8_t> data); + + Parameters() {} + Parameters(Parameters&& other) = default; + Parameters& operator=(Parameters&& other) = default; + + rtc::ArrayView<const uint8_t> data() const { return data_; } + std::vector<ParameterDescriptor> descriptors() const; + + template <typename P> + absl::optional<P> get() const { + static_assert(std::is_base_of<Parameter, P>::value, + "Template parameter not derived from Parameter"); + for (const auto& p : descriptors()) { + if (p.type == P::kType) { + return P::Parse(p.data); + } + } + return absl::nullopt; + } + + private: + explicit Parameters(std::vector<uint8_t> data) : data_(std::move(data)) {} + std::vector<uint8_t> data_; +}; + +struct ParameterConfig { + static constexpr int kTypeSizeInBytes = 2; +}; + +} // namespace dcsctp + +#endif // NET_DCSCTP_PACKET_PARAMETER_PARAMETER_H_ diff --git a/third_party/libwebrtc/net/dcsctp/packet/parameter/parameter_test.cc b/third_party/libwebrtc/net/dcsctp/packet/parameter/parameter_test.cc new file mode 100644 index 0000000000..467e324592 --- /dev/null +++ b/third_party/libwebrtc/net/dcsctp/packet/parameter/parameter_test.cc @@ -0,0 +1,53 @@ +/* + * 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. + */ +#include "net/dcsctp/packet/parameter/parameter.h" + +#include <cstdint> +#include <type_traits> +#include <vector> + +#include "api/array_view.h" +#include "net/dcsctp/packet/parameter/outgoing_ssn_reset_request_parameter.h" +#include "net/dcsctp/packet/tlv_trait.h" +#include "net/dcsctp/testing/testing_macros.h" +#include "rtc_base/gunit.h" +#include "test/gmock.h" + +namespace dcsctp { +namespace { +using ::testing::ElementsAre; +using ::testing::SizeIs; + +TEST(ParameterTest, SerializeDeserializeParameter) { + Parameters parameters = + Parameters::Builder() + .Add(OutgoingSSNResetRequestParameter(ReconfigRequestSN(123), + ReconfigRequestSN(456), + TSN(789), {StreamID(42)})) + .Build(); + + rtc::ArrayView<const uint8_t> serialized = parameters.data(); + + ASSERT_HAS_VALUE_AND_ASSIGN(Parameters parsed, Parameters::Parse(serialized)); + auto descriptors = parsed.descriptors(); + ASSERT_THAT(descriptors, SizeIs(1)); + EXPECT_THAT(descriptors[0].type, OutgoingSSNResetRequestParameter::kType); + + ASSERT_HAS_VALUE_AND_ASSIGN( + OutgoingSSNResetRequestParameter parsed_param, + OutgoingSSNResetRequestParameter::Parse(descriptors[0].data)); + EXPECT_EQ(*parsed_param.request_sequence_number(), 123u); + EXPECT_EQ(*parsed_param.response_sequence_number(), 456u); + EXPECT_EQ(*parsed_param.sender_last_assigned_tsn(), 789u); + EXPECT_THAT(parsed_param.stream_ids(), ElementsAre(StreamID(42))); +} + +} // namespace +} // namespace dcsctp diff --git a/third_party/libwebrtc/net/dcsctp/packet/parameter/reconfiguration_response_parameter.cc b/third_party/libwebrtc/net/dcsctp/packet/parameter/reconfiguration_response_parameter.cc new file mode 100644 index 0000000000..fafb204acc --- /dev/null +++ b/third_party/libwebrtc/net/dcsctp/packet/parameter/reconfiguration_response_parameter.cc @@ -0,0 +1,152 @@ +/* + * 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. + */ +#include "net/dcsctp/packet/parameter/reconfiguration_response_parameter.h" + +#include <stddef.h> +#include <stdint.h> + +#include <string> +#include <type_traits> +#include <vector> + +#include "absl/strings/string_view.h" +#include "absl/types/optional.h" +#include "api/array_view.h" +#include "net/dcsctp/packet/bounded_byte_reader.h" +#include "net/dcsctp/packet/bounded_byte_writer.h" +#include "net/dcsctp/packet/tlv_trait.h" +#include "rtc_base/logging.h" +#include "rtc_base/strings/string_builder.h" + +namespace dcsctp { + +// https://tools.ietf.org/html/rfc6525#section-4.4 + +// 0 1 2 3 +// 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +// | Parameter Type = 16 | Parameter Length | +// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +// | Re-configuration Response Sequence Number | +// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +// | Result | +// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +// | Sender's Next TSN (optional) | +// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +// | Receiver's Next TSN (optional) | +// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +constexpr int ReconfigurationResponseParameter::kType; + +absl::string_view ToString(ReconfigurationResponseParameter::Result result) { + switch (result) { + case ReconfigurationResponseParameter::Result::kSuccessNothingToDo: + return "Success: nothing to do"; + case ReconfigurationResponseParameter::Result::kSuccessPerformed: + return "Success: performed"; + case ReconfigurationResponseParameter::Result::kDenied: + return "Denied"; + case ReconfigurationResponseParameter::Result::kErrorWrongSSN: + return "Error: wrong ssn"; + case ReconfigurationResponseParameter::Result:: + kErrorRequestAlreadyInProgress: + return "Error: request already in progress"; + case ReconfigurationResponseParameter::Result::kErrorBadSequenceNumber: + return "Error: bad sequence number"; + case ReconfigurationResponseParameter::Result::kInProgress: + return "In progress"; + } +} + +absl::optional<ReconfigurationResponseParameter> +ReconfigurationResponseParameter::Parse(rtc::ArrayView<const uint8_t> data) { + absl::optional<BoundedByteReader<kHeaderSize>> reader = ParseTLV(data); + if (!reader.has_value()) { + return absl::nullopt; + } + + ReconfigRequestSN response_sequence_number(reader->Load32<4>()); + Result result; + uint32_t result_nbr = reader->Load32<8>(); + switch (result_nbr) { + case 0: + result = ReconfigurationResponseParameter::Result::kSuccessNothingToDo; + break; + case 1: + result = ReconfigurationResponseParameter::Result::kSuccessPerformed; + break; + case 2: + result = ReconfigurationResponseParameter::Result::kDenied; + break; + case 3: + result = ReconfigurationResponseParameter::Result::kErrorWrongSSN; + break; + case 4: + result = ReconfigurationResponseParameter::Result:: + kErrorRequestAlreadyInProgress; + break; + case 5: + result = + ReconfigurationResponseParameter::Result::kErrorBadSequenceNumber; + break; + case 6: + result = ReconfigurationResponseParameter::Result::kInProgress; + break; + default: + RTC_DLOG(LS_WARNING) << "Invalid reconfig response result: " + << result_nbr; + return absl::nullopt; + } + + if (reader->variable_data().empty()) { + return ReconfigurationResponseParameter(response_sequence_number, result); + } else if (reader->variable_data_size() != kNextTsnHeaderSize) { + RTC_DLOG(LS_WARNING) << "Invalid parameter size"; + return absl::nullopt; + } + + BoundedByteReader<kNextTsnHeaderSize> sub_reader = + reader->sub_reader<kNextTsnHeaderSize>(0); + + TSN sender_next_tsn(sub_reader.Load32<0>()); + TSN receiver_next_tsn(sub_reader.Load32<4>()); + + return ReconfigurationResponseParameter(response_sequence_number, result, + sender_next_tsn, receiver_next_tsn); +} + +void ReconfigurationResponseParameter::SerializeTo( + std::vector<uint8_t>& out) const { + size_t variable_size = + (sender_next_tsn().has_value() ? kNextTsnHeaderSize : 0); + BoundedByteWriter<kHeaderSize> writer = AllocateTLV(out, variable_size); + + writer.Store32<4>(*response_sequence_number_); + uint32_t result_nbr = + static_cast<std::underlying_type<Result>::type>(result_); + writer.Store32<8>(result_nbr); + + if (sender_next_tsn().has_value()) { + BoundedByteWriter<kNextTsnHeaderSize> sub_writer = + writer.sub_writer<kNextTsnHeaderSize>(0); + + sub_writer.Store32<0>(sender_next_tsn_.has_value() ? **sender_next_tsn_ + : 0); + sub_writer.Store32<4>(receiver_next_tsn_.has_value() ? **receiver_next_tsn_ + : 0); + } +} + +std::string ReconfigurationResponseParameter::ToString() const { + rtc::StringBuilder sb; + sb << "Re-configuration Response, resp_seq_nbr=" + << *response_sequence_number(); + return sb.Release(); +} +} // namespace dcsctp diff --git a/third_party/libwebrtc/net/dcsctp/packet/parameter/reconfiguration_response_parameter.h b/third_party/libwebrtc/net/dcsctp/packet/parameter/reconfiguration_response_parameter.h new file mode 100644 index 0000000000..c5a68acb33 --- /dev/null +++ b/third_party/libwebrtc/net/dcsctp/packet/parameter/reconfiguration_response_parameter.h @@ -0,0 +1,92 @@ +/* + * 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_PARAMETER_RECONFIGURATION_RESPONSE_PARAMETER_H_ +#define NET_DCSCTP_PACKET_PARAMETER_RECONFIGURATION_RESPONSE_PARAMETER_H_ +#include <stddef.h> + +#include <cstdint> +#include <string> +#include <vector> + +#include "absl/strings/string_view.h" +#include "absl/types/optional.h" +#include "api/array_view.h" +#include "net/dcsctp/common/internal_types.h" +#include "net/dcsctp/packet/parameter/parameter.h" +#include "net/dcsctp/packet/tlv_trait.h" + +namespace dcsctp { + +// https://tools.ietf.org/html/rfc6525#section-4.4 +struct ReconfigurationResponseParameterConfig : ParameterConfig { + static constexpr int kType = 16; + static constexpr size_t kHeaderSize = 12; + static constexpr size_t kVariableLengthAlignment = 4; +}; + +class ReconfigurationResponseParameter + : public Parameter, + public TLVTrait<ReconfigurationResponseParameterConfig> { + public: + static constexpr int kType = ReconfigurationResponseParameterConfig::kType; + + enum class Result { + kSuccessNothingToDo = 0, + kSuccessPerformed = 1, + kDenied = 2, + kErrorWrongSSN = 3, + kErrorRequestAlreadyInProgress = 4, + kErrorBadSequenceNumber = 5, + kInProgress = 6, + }; + + ReconfigurationResponseParameter(ReconfigRequestSN response_sequence_number, + Result result) + : response_sequence_number_(response_sequence_number), + result_(result), + sender_next_tsn_(absl::nullopt), + receiver_next_tsn_(absl::nullopt) {} + + explicit ReconfigurationResponseParameter( + ReconfigRequestSN response_sequence_number, + Result result, + TSN sender_next_tsn, + TSN receiver_next_tsn) + : response_sequence_number_(response_sequence_number), + result_(result), + sender_next_tsn_(sender_next_tsn), + receiver_next_tsn_(receiver_next_tsn) {} + + static absl::optional<ReconfigurationResponseParameter> Parse( + rtc::ArrayView<const uint8_t> data); + + void SerializeTo(std::vector<uint8_t>& out) const override; + std::string ToString() const override; + + ReconfigRequestSN response_sequence_number() const { + return response_sequence_number_; + } + Result result() const { return result_; } + absl::optional<TSN> sender_next_tsn() const { return sender_next_tsn_; } + absl::optional<TSN> receiver_next_tsn() const { return receiver_next_tsn_; } + + private: + static constexpr size_t kNextTsnHeaderSize = 8; + ReconfigRequestSN response_sequence_number_; + Result result_; + absl::optional<TSN> sender_next_tsn_; + absl::optional<TSN> receiver_next_tsn_; +}; + +absl::string_view ToString(ReconfigurationResponseParameter::Result result); + +} // namespace dcsctp + +#endif // NET_DCSCTP_PACKET_PARAMETER_RECONFIGURATION_RESPONSE_PARAMETER_H_ diff --git a/third_party/libwebrtc/net/dcsctp/packet/parameter/reconfiguration_response_parameter_test.cc b/third_party/libwebrtc/net/dcsctp/packet/parameter/reconfiguration_response_parameter_test.cc new file mode 100644 index 0000000000..8125d93cd0 --- /dev/null +++ b/third_party/libwebrtc/net/dcsctp/packet/parameter/reconfiguration_response_parameter_test.cc @@ -0,0 +1,68 @@ +/* + * 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. + */ +#include "net/dcsctp/packet/parameter/reconfiguration_response_parameter.h" + +#include <stdint.h> + +#include <type_traits> +#include <vector> + +#include "absl/types/optional.h" +#include "net/dcsctp/testing/testing_macros.h" +#include "rtc_base/gunit.h" +#include "test/gmock.h" + +namespace dcsctp { +namespace { + +TEST(ReconfigurationResponseParameterTest, SerializeAndDeserializeFirstForm) { + ReconfigurationResponseParameter parameter( + ReconfigRequestSN(1), + ReconfigurationResponseParameter::Result::kSuccessPerformed); + + std::vector<uint8_t> serialized; + parameter.SerializeTo(serialized); + + ASSERT_HAS_VALUE_AND_ASSIGN( + ReconfigurationResponseParameter deserialized, + ReconfigurationResponseParameter::Parse(serialized)); + + EXPECT_EQ(*deserialized.response_sequence_number(), 1u); + EXPECT_EQ(deserialized.result(), + ReconfigurationResponseParameter::Result::kSuccessPerformed); + EXPECT_EQ(deserialized.sender_next_tsn(), absl::nullopt); + EXPECT_EQ(deserialized.receiver_next_tsn(), absl::nullopt); +} + +TEST(ReconfigurationResponseParameterTest, + SerializeAndDeserializeFirstFormSecondForm) { + ReconfigurationResponseParameter parameter( + ReconfigRequestSN(1), + ReconfigurationResponseParameter::Result::kSuccessPerformed, TSN(2), + TSN(3)); + + std::vector<uint8_t> serialized; + parameter.SerializeTo(serialized); + + ASSERT_HAS_VALUE_AND_ASSIGN( + ReconfigurationResponseParameter deserialized, + ReconfigurationResponseParameter::Parse(serialized)); + + EXPECT_EQ(*deserialized.response_sequence_number(), 1u); + EXPECT_EQ(deserialized.result(), + ReconfigurationResponseParameter::Result::kSuccessPerformed); + EXPECT_TRUE(deserialized.sender_next_tsn().has_value()); + EXPECT_EQ(**deserialized.sender_next_tsn(), 2u); + EXPECT_TRUE(deserialized.receiver_next_tsn().has_value()); + EXPECT_EQ(**deserialized.receiver_next_tsn(), 3u); +} + +} // namespace +} // namespace dcsctp diff --git a/third_party/libwebrtc/net/dcsctp/packet/parameter/ssn_tsn_reset_request_parameter.cc b/third_party/libwebrtc/net/dcsctp/packet/parameter/ssn_tsn_reset_request_parameter.cc new file mode 100644 index 0000000000..d656e0db8f --- /dev/null +++ b/third_party/libwebrtc/net/dcsctp/packet/parameter/ssn_tsn_reset_request_parameter.cc @@ -0,0 +1,60 @@ +/* + * 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. + */ +#include "net/dcsctp/packet/parameter/ssn_tsn_reset_request_parameter.h" + +#include <stdint.h> + +#include <string> +#include <type_traits> +#include <vector> + +#include "absl/types/optional.h" +#include "api/array_view.h" +#include "net/dcsctp/packet/bounded_byte_reader.h" +#include "net/dcsctp/packet/bounded_byte_writer.h" +#include "net/dcsctp/packet/tlv_trait.h" +#include "rtc_base/strings/string_builder.h" + +namespace dcsctp { + +// https://tools.ietf.org/html/rfc6525#section-4.3 + +// 0 1 2 3 +// 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +// | Parameter Type = 15 | Parameter Length = 8 | +// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +// | Re-configuration Request Sequence Number | +// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +constexpr int SSNTSNResetRequestParameter::kType; + +absl::optional<SSNTSNResetRequestParameter> SSNTSNResetRequestParameter::Parse( + rtc::ArrayView<const uint8_t> data) { + absl::optional<BoundedByteReader<kHeaderSize>> reader = ParseTLV(data); + if (!reader.has_value()) { + return absl::nullopt; + } + ReconfigRequestSN request_sequence_number(reader->Load32<4>()); + + return SSNTSNResetRequestParameter(request_sequence_number); +} + +void SSNTSNResetRequestParameter::SerializeTo(std::vector<uint8_t>& out) const { + BoundedByteWriter<kHeaderSize> writer = AllocateTLV(out); + writer.Store32<4>(*request_sequence_number_); +} + +std::string SSNTSNResetRequestParameter::ToString() const { + rtc::StringBuilder sb; + sb << "SSN/TSN Reset Request, req_seq_nbr=" << *request_sequence_number(); + return sb.Release(); +} + +} // namespace dcsctp diff --git a/third_party/libwebrtc/net/dcsctp/packet/parameter/ssn_tsn_reset_request_parameter.h b/third_party/libwebrtc/net/dcsctp/packet/parameter/ssn_tsn_reset_request_parameter.h new file mode 100644 index 0000000000..e31d7ebe8f --- /dev/null +++ b/third_party/libwebrtc/net/dcsctp/packet/parameter/ssn_tsn_reset_request_parameter.h @@ -0,0 +1,59 @@ +/* + * 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_PARAMETER_SSN_TSN_RESET_REQUEST_PARAMETER_H_ +#define NET_DCSCTP_PACKET_PARAMETER_SSN_TSN_RESET_REQUEST_PARAMETER_H_ +#include <stddef.h> +#include <stdint.h> + +#include <string> +#include <vector> + +#include "absl/strings/string_view.h" +#include "api/array_view.h" +#include "net/dcsctp/common/internal_types.h" +#include "net/dcsctp/packet/parameter/parameter.h" +#include "net/dcsctp/packet/tlv_trait.h" + +namespace dcsctp { + +// https://tools.ietf.org/html/rfc6525#section-4.3 +struct SSNTSNResetRequestParameterConfig : ParameterConfig { + static constexpr int kType = 15; + static constexpr size_t kHeaderSize = 8; + static constexpr size_t kVariableLengthAlignment = 0; +}; + +class SSNTSNResetRequestParameter + : public Parameter, + public TLVTrait<SSNTSNResetRequestParameterConfig> { + public: + static constexpr int kType = SSNTSNResetRequestParameterConfig::kType; + + explicit SSNTSNResetRequestParameter( + ReconfigRequestSN request_sequence_number) + : request_sequence_number_(request_sequence_number) {} + + static absl::optional<SSNTSNResetRequestParameter> Parse( + rtc::ArrayView<const uint8_t> data); + + void SerializeTo(std::vector<uint8_t>& out) const override; + std::string ToString() const override; + + ReconfigRequestSN request_sequence_number() const { + return request_sequence_number_; + } + + private: + ReconfigRequestSN request_sequence_number_; +}; + +} // namespace dcsctp + +#endif // NET_DCSCTP_PACKET_PARAMETER_SSN_TSN_RESET_REQUEST_PARAMETER_H_ diff --git a/third_party/libwebrtc/net/dcsctp/packet/parameter/ssn_tsn_reset_request_parameter_test.cc b/third_party/libwebrtc/net/dcsctp/packet/parameter/ssn_tsn_reset_request_parameter_test.cc new file mode 100644 index 0000000000..eeb973cbcb --- /dev/null +++ b/third_party/libwebrtc/net/dcsctp/packet/parameter/ssn_tsn_reset_request_parameter_test.cc @@ -0,0 +1,37 @@ +/* + * 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. + */ +#include "net/dcsctp/packet/parameter/ssn_tsn_reset_request_parameter.h" + +#include <stdint.h> + +#include <type_traits> +#include <vector> + +#include "net/dcsctp/testing/testing_macros.h" +#include "rtc_base/gunit.h" +#include "test/gmock.h" + +namespace dcsctp { +namespace { + +TEST(SSNTSNResetRequestParameterTest, SerializeAndDeserialize) { + SSNTSNResetRequestParameter parameter(ReconfigRequestSN(1)); + + std::vector<uint8_t> serialized; + parameter.SerializeTo(serialized); + + ASSERT_HAS_VALUE_AND_ASSIGN(SSNTSNResetRequestParameter deserialized, + SSNTSNResetRequestParameter::Parse(serialized)); + + EXPECT_EQ(*deserialized.request_sequence_number(), 1u); +} + +} // namespace +} // namespace dcsctp diff --git a/third_party/libwebrtc/net/dcsctp/packet/parameter/state_cookie_parameter.cc b/third_party/libwebrtc/net/dcsctp/packet/parameter/state_cookie_parameter.cc new file mode 100644 index 0000000000..9777aa6667 --- /dev/null +++ b/third_party/libwebrtc/net/dcsctp/packet/parameter/state_cookie_parameter.cc @@ -0,0 +1,51 @@ +/* + * 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. + */ +#include "net/dcsctp/packet/parameter/state_cookie_parameter.h" + +#include <stdint.h> + +#include <string> +#include <type_traits> +#include <vector> + +#include "absl/types/optional.h" +#include "api/array_view.h" +#include "net/dcsctp/packet/bounded_byte_reader.h" +#include "net/dcsctp/packet/bounded_byte_writer.h" +#include "net/dcsctp/packet/tlv_trait.h" +#include "rtc_base/strings/string_builder.h" + +namespace dcsctp { + +// https://tools.ietf.org/html/rfc4960#section-3.3.3.1 + +constexpr int StateCookieParameter::kType; + +absl::optional<StateCookieParameter> StateCookieParameter::Parse( + rtc::ArrayView<const uint8_t> data) { + absl::optional<BoundedByteReader<kHeaderSize>> reader = ParseTLV(data); + if (!reader.has_value()) { + return absl::nullopt; + } + return StateCookieParameter(reader->variable_data()); +} + +void StateCookieParameter::SerializeTo(std::vector<uint8_t>& out) const { + BoundedByteWriter<kHeaderSize> writer = AllocateTLV(out, data_.size()); + writer.CopyToVariableData(data_); +} + +std::string StateCookieParameter::ToString() const { + rtc::StringBuilder sb; + sb << "State Cookie parameter (cookie_length=" << data_.size() << ")"; + return sb.Release(); +} + +} // namespace dcsctp diff --git a/third_party/libwebrtc/net/dcsctp/packet/parameter/state_cookie_parameter.h b/third_party/libwebrtc/net/dcsctp/packet/parameter/state_cookie_parameter.h new file mode 100644 index 0000000000..f4355495e2 --- /dev/null +++ b/third_party/libwebrtc/net/dcsctp/packet/parameter/state_cookie_parameter.h @@ -0,0 +1,55 @@ +/* + * 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_PARAMETER_STATE_COOKIE_PARAMETER_H_ +#define NET_DCSCTP_PACKET_PARAMETER_STATE_COOKIE_PARAMETER_H_ +#include <stddef.h> +#include <stdint.h> + +#include <cstdint> +#include <string> +#include <vector> + +#include "absl/strings/string_view.h" +#include "api/array_view.h" +#include "net/dcsctp/packet/parameter/parameter.h" +#include "net/dcsctp/packet/tlv_trait.h" + +namespace dcsctp { + +// https://tools.ietf.org/html/rfc4960#section-3.3.3.1 +struct StateCookieParameterConfig : ParameterConfig { + static constexpr int kType = 7; + static constexpr size_t kHeaderSize = 4; + static constexpr size_t kVariableLengthAlignment = 1; +}; + +class StateCookieParameter : public Parameter, + public TLVTrait<StateCookieParameterConfig> { + public: + static constexpr int kType = StateCookieParameterConfig::kType; + + explicit StateCookieParameter(rtc::ArrayView<const uint8_t> data) + : data_(data.begin(), data.end()) {} + + static absl::optional<StateCookieParameter> Parse( + rtc::ArrayView<const uint8_t> data); + + void SerializeTo(std::vector<uint8_t>& out) const override; + std::string ToString() const override; + + rtc::ArrayView<const uint8_t> data() const { return data_; } + + private: + std::vector<uint8_t> data_; +}; + +} // namespace dcsctp + +#endif // NET_DCSCTP_PACKET_PARAMETER_STATE_COOKIE_PARAMETER_H_ diff --git a/third_party/libwebrtc/net/dcsctp/packet/parameter/state_cookie_parameter_test.cc b/third_party/libwebrtc/net/dcsctp/packet/parameter/state_cookie_parameter_test.cc new file mode 100644 index 0000000000..bcca38b586 --- /dev/null +++ b/third_party/libwebrtc/net/dcsctp/packet/parameter/state_cookie_parameter_test.cc @@ -0,0 +1,40 @@ +/* + * 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. + */ +#include "net/dcsctp/packet/parameter/state_cookie_parameter.h" + +#include <stdint.h> + +#include <type_traits> +#include <vector> + +#include "api/array_view.h" +#include "net/dcsctp/testing/testing_macros.h" +#include "rtc_base/gunit.h" +#include "test/gmock.h" + +namespace dcsctp { +namespace { +using ::testing::ElementsAre; + +TEST(StateCookieParameterTest, SerializeAndDeserialize) { + uint8_t cookie[] = {1, 2, 3}; + StateCookieParameter parameter(cookie); + + std::vector<uint8_t> serialized; + parameter.SerializeTo(serialized); + + ASSERT_HAS_VALUE_AND_ASSIGN(StateCookieParameter deserialized, + StateCookieParameter::Parse(serialized)); + + EXPECT_THAT(deserialized.data(), ElementsAre(1, 2, 3)); +} + +} // namespace +} // namespace dcsctp diff --git a/third_party/libwebrtc/net/dcsctp/packet/parameter/supported_extensions_parameter.cc b/third_party/libwebrtc/net/dcsctp/packet/parameter/supported_extensions_parameter.cc new file mode 100644 index 0000000000..6a8fb214de --- /dev/null +++ b/third_party/libwebrtc/net/dcsctp/packet/parameter/supported_extensions_parameter.cc @@ -0,0 +1,65 @@ +/* + * 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. + */ +#include "net/dcsctp/packet/parameter/supported_extensions_parameter.h" + +#include <cstdint> +#include <string> +#include <utility> +#include <vector> + +#include "absl/types/optional.h" +#include "api/array_view.h" +#include "net/dcsctp/common/str_join.h" +#include "net/dcsctp/packet/bounded_byte_reader.h" +#include "net/dcsctp/packet/bounded_byte_writer.h" +#include "net/dcsctp/packet/tlv_trait.h" +#include "rtc_base/strings/string_builder.h" + +namespace dcsctp { + +// https://tools.ietf.org/html/rfc5061#section-4.2.7 + +// 0 1 2 3 +// 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +// | Parameter Type = 0x8008 | Parameter Length | +// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +// | CHUNK TYPE 1 | CHUNK TYPE 2 | CHUNK TYPE 3 | CHUNK TYPE 4 | +// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +// | .... | +// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +// | CHUNK TYPE N | PAD | PAD | PAD | +// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +constexpr int SupportedExtensionsParameter::kType; + +absl::optional<SupportedExtensionsParameter> +SupportedExtensionsParameter::Parse(rtc::ArrayView<const uint8_t> data) { + absl::optional<BoundedByteReader<kHeaderSize>> reader = ParseTLV(data); + if (!reader.has_value()) { + return absl::nullopt; + } + + std::vector<uint8_t> chunk_types(reader->variable_data().begin(), + reader->variable_data().end()); + return SupportedExtensionsParameter(std::move(chunk_types)); +} + +void SupportedExtensionsParameter::SerializeTo( + std::vector<uint8_t>& out) const { + BoundedByteWriter<kHeaderSize> writer = AllocateTLV(out, chunk_types_.size()); + writer.CopyToVariableData(chunk_types_); +} + +std::string SupportedExtensionsParameter::ToString() const { + rtc::StringBuilder sb; + sb << "Supported Extensions (" << StrJoin(chunk_types_, ", ") << ")"; + return sb.Release(); +} +} // namespace dcsctp diff --git a/third_party/libwebrtc/net/dcsctp/packet/parameter/supported_extensions_parameter.h b/third_party/libwebrtc/net/dcsctp/packet/parameter/supported_extensions_parameter.h new file mode 100644 index 0000000000..5689fd8035 --- /dev/null +++ b/third_party/libwebrtc/net/dcsctp/packet/parameter/supported_extensions_parameter.h @@ -0,0 +1,62 @@ +/* + * 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_PARAMETER_SUPPORTED_EXTENSIONS_PARAMETER_H_ +#define NET_DCSCTP_PACKET_PARAMETER_SUPPORTED_EXTENSIONS_PARAMETER_H_ +#include <stddef.h> + +#include <algorithm> +#include <cstdint> +#include <iterator> +#include <string> +#include <utility> +#include <vector> + +#include "absl/strings/string_view.h" +#include "api/array_view.h" +#include "net/dcsctp/packet/parameter/parameter.h" +#include "net/dcsctp/packet/tlv_trait.h" + +namespace dcsctp { + +// https://tools.ietf.org/html/rfc5061#section-4.2.7 +struct SupportedExtensionsParameterConfig : ParameterConfig { + static constexpr int kType = 0x8008; + static constexpr size_t kHeaderSize = 4; + static constexpr size_t kVariableLengthAlignment = 1; +}; + +class SupportedExtensionsParameter + : public Parameter, + public TLVTrait<SupportedExtensionsParameterConfig> { + public: + static constexpr int kType = SupportedExtensionsParameterConfig::kType; + + explicit SupportedExtensionsParameter(std::vector<uint8_t> chunk_types) + : chunk_types_(std::move(chunk_types)) {} + + static absl::optional<SupportedExtensionsParameter> Parse( + rtc::ArrayView<const uint8_t> data); + + void SerializeTo(std::vector<uint8_t>& out) const override; + std::string ToString() const override; + + bool supports(uint8_t chunk_type) const { + return std::find(chunk_types_.begin(), chunk_types_.end(), chunk_type) != + chunk_types_.end(); + } + + rtc::ArrayView<const uint8_t> chunk_types() const { return chunk_types_; } + + private: + std::vector<uint8_t> chunk_types_; +}; +} // namespace dcsctp + +#endif // NET_DCSCTP_PACKET_PARAMETER_SUPPORTED_EXTENSIONS_PARAMETER_H_ diff --git a/third_party/libwebrtc/net/dcsctp/packet/parameter/supported_extensions_parameter_test.cc b/third_party/libwebrtc/net/dcsctp/packet/parameter/supported_extensions_parameter_test.cc new file mode 100644 index 0000000000..c870af2e70 --- /dev/null +++ b/third_party/libwebrtc/net/dcsctp/packet/parameter/supported_extensions_parameter_test.cc @@ -0,0 +1,42 @@ +/* + * 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. + */ +#include "net/dcsctp/packet/parameter/supported_extensions_parameter.h" + +#include <cstdint> +#include <type_traits> +#include <vector> + +#include "api/array_view.h" +#include "net/dcsctp/testing/testing_macros.h" +#include "rtc_base/gunit.h" +#include "test/gmock.h" + +namespace dcsctp { +namespace { +using ::testing::ElementsAre; + +TEST(SupportedExtensionsParameterTest, SerializeAndDeserialize) { + SupportedExtensionsParameter parameter({1, 2, 3}); + + std::vector<uint8_t> serialized; + parameter.SerializeTo(serialized); + + ASSERT_HAS_VALUE_AND_ASSIGN(SupportedExtensionsParameter deserialized, + SupportedExtensionsParameter::Parse(serialized)); + + EXPECT_THAT(deserialized.chunk_types(), ElementsAre(1, 2, 3)); + EXPECT_TRUE(deserialized.supports(1)); + EXPECT_TRUE(deserialized.supports(2)); + EXPECT_TRUE(deserialized.supports(3)); + EXPECT_FALSE(deserialized.supports(4)); +} + +} // namespace +} // namespace dcsctp diff --git a/third_party/libwebrtc/net/dcsctp/packet/parameter/zero_checksum_acceptable_chunk_parameter.cc b/third_party/libwebrtc/net/dcsctp/packet/parameter/zero_checksum_acceptable_chunk_parameter.cc new file mode 100644 index 0000000000..75f7d3c487 --- /dev/null +++ b/third_party/libwebrtc/net/dcsctp/packet/parameter/zero_checksum_acceptable_chunk_parameter.cc @@ -0,0 +1,46 @@ +/* + * Copyright (c) 2023 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. + */ +#include "net/dcsctp/packet/parameter/zero_checksum_acceptable_chunk_parameter.h" + +#include <stdint.h> + +#include <vector> + +#include "absl/types/optional.h" +#include "api/array_view.h" + +namespace dcsctp { + +// https://www.ietf.org/archive/id/draft-tuexen-tsvwg-sctp-zero-checksum-00.html#section-3 + +// 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +// | Type = 0x8001 | Length = 4 | +// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +constexpr int ZeroChecksumAcceptableChunkParameter::kType; + +absl::optional<ZeroChecksumAcceptableChunkParameter> +ZeroChecksumAcceptableChunkParameter::Parse( + rtc::ArrayView<const uint8_t> data) { + if (!ParseTLV(data).has_value()) { + return absl::nullopt; + } + return ZeroChecksumAcceptableChunkParameter(); +} + +void ZeroChecksumAcceptableChunkParameter::SerializeTo( + std::vector<uint8_t>& out) const { + AllocateTLV(out); +} + +std::string ZeroChecksumAcceptableChunkParameter::ToString() const { + return "Zero Checksum Acceptable"; +} +} // namespace dcsctp diff --git a/third_party/libwebrtc/net/dcsctp/packet/parameter/zero_checksum_acceptable_chunk_parameter.h b/third_party/libwebrtc/net/dcsctp/packet/parameter/zero_checksum_acceptable_chunk_parameter.h new file mode 100644 index 0000000000..9ae2ec8280 --- /dev/null +++ b/third_party/libwebrtc/net/dcsctp/packet/parameter/zero_checksum_acceptable_chunk_parameter.h @@ -0,0 +1,50 @@ +/* + * Copyright (c) 2023 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_PARAMETER_ZERO_CHECKSUM_ACCEPTABLE_CHUNK_PARAMETER_H_ +#define NET_DCSCTP_PACKET_PARAMETER_ZERO_CHECKSUM_ACCEPTABLE_CHUNK_PARAMETER_H_ +#include <stddef.h> +#include <stdint.h> + +#include <string> +#include <vector> + +#include "absl/strings/string_view.h" +#include "api/array_view.h" +#include "net/dcsctp/packet/parameter/parameter.h" +#include "net/dcsctp/packet/tlv_trait.h" + +namespace dcsctp { + +// https://datatracker.ietf.org/doc/draft-tuexen-tsvwg-sctp-zero-checksum/ +struct ZeroChecksumAcceptableChunkParameterConfig : ParameterConfig { + static constexpr int kType = 0x8001; + static constexpr size_t kHeaderSize = 4; + static constexpr size_t kVariableLengthAlignment = 0; +}; + +class ZeroChecksumAcceptableChunkParameter + : public Parameter, + public TLVTrait<ZeroChecksumAcceptableChunkParameterConfig> { + public: + static constexpr int kType = + ZeroChecksumAcceptableChunkParameterConfig::kType; + + ZeroChecksumAcceptableChunkParameter() {} + + static absl::optional<ZeroChecksumAcceptableChunkParameter> Parse( + rtc::ArrayView<const uint8_t> data); + + void SerializeTo(std::vector<uint8_t>& out) const override; + std::string ToString() const override; +}; + +} // namespace dcsctp + +#endif // NET_DCSCTP_PACKET_PARAMETER_ZERO_CHECKSUM_ACCEPTABLE_CHUNK_PARAMETER_H_ diff --git a/third_party/libwebrtc/net/dcsctp/packet/parameter/zero_checksum_acceptable_chunk_parameter_test.cc b/third_party/libwebrtc/net/dcsctp/packet/parameter/zero_checksum_acceptable_chunk_parameter_test.cc new file mode 100644 index 0000000000..8a004e1788 --- /dev/null +++ b/third_party/libwebrtc/net/dcsctp/packet/parameter/zero_checksum_acceptable_chunk_parameter_test.cc @@ -0,0 +1,53 @@ +/* + * Copyright (c) 2023 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. + */ +#include "net/dcsctp/packet/parameter/zero_checksum_acceptable_chunk_parameter.h" + +#include <stdint.h> + +#include <type_traits> +#include <vector> + +#include "net/dcsctp/testing/testing_macros.h" +#include "rtc_base/gunit.h" +#include "test/gmock.h" +#include "test/gtest.h" + +namespace dcsctp { +namespace { +using ::testing::ElementsAre; + +TEST(ZeroChecksumAcceptableChunkParameterTest, SerializeAndDeserialize) { + ZeroChecksumAcceptableChunkParameter parameter; + + std::vector<uint8_t> serialized; + parameter.SerializeTo(serialized); + + EXPECT_THAT(serialized, ElementsAre(0x80, 0x01, 0x00, 0x04)); + + ASSERT_HAS_VALUE_AND_ASSIGN( + ZeroChecksumAcceptableChunkParameter deserialized, + ZeroChecksumAcceptableChunkParameter::Parse(serialized)); +} + +TEST(ZeroChecksumAcceptableChunkParameterTest, FailToDeserialize) { + std::vector<uint8_t> invalid = {0x00, 0x00, 0x00, 0x00}; + + EXPECT_FALSE( + ZeroChecksumAcceptableChunkParameter::Parse(invalid).has_value()); +} + +TEST(ZeroChecksumAcceptableChunkParameterTest, HasToString) { + ZeroChecksumAcceptableChunkParameter parameter; + + EXPECT_EQ(parameter.ToString(), "Zero Checksum Acceptable"); +} + +} // namespace +} // namespace dcsctp |