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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/error_cause/no_user_data_cause.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/error_cause/no_user_data_cause.cc')
-rw-r--r-- | third_party/libwebrtc/net/dcsctp/packet/error_cause/no_user_data_cause.cc | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/third_party/libwebrtc/net/dcsctp/packet/error_cause/no_user_data_cause.cc b/third_party/libwebrtc/net/dcsctp/packet/error_cause/no_user_data_cause.cc new file mode 100644 index 0000000000..2853915b0c --- /dev/null +++ b/third_party/libwebrtc/net/dcsctp/packet/error_cause/no_user_data_cause.cc @@ -0,0 +1,57 @@ +/* + * 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/error_cause/no_user_data_cause.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-3.3.10.9 + +// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +// | Cause Code=9 | Cause Length=8 | +// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +// / TSN value / +// \ \ +// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +constexpr int NoUserDataCause::kType; + +absl::optional<NoUserDataCause> NoUserDataCause::Parse( + rtc::ArrayView<const uint8_t> data) { + absl::optional<BoundedByteReader<kHeaderSize>> reader = ParseTLV(data); + if (!reader.has_value()) { + return absl::nullopt; + } + TSN tsn(reader->Load32<4>()); + return NoUserDataCause(tsn); +} + +void NoUserDataCause::SerializeTo(std::vector<uint8_t>& out) const { + BoundedByteWriter<kHeaderSize> writer = AllocateTLV(out); + writer.Store32<4>(*tsn_); +} + +std::string NoUserDataCause::ToString() const { + rtc::StringBuilder sb; + sb << "No User Data, tsn=" << *tsn_; + return sb.Release(); +} +} // namespace dcsctp |