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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /third_party/libwebrtc/net/dcsctp/packet/parameter/add_incoming_streams_request_parameter.cc | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/libwebrtc/net/dcsctp/packet/parameter/add_incoming_streams_request_parameter.cc')
-rw-r--r-- | third_party/libwebrtc/net/dcsctp/packet/parameter/add_incoming_streams_request_parameter.cc | 68 |
1 files changed, 68 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 |