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579a7b498c
Bug: webrtc:14801 Change-Id: I7c14597e39b312c26573f034dca444cc1d90e332 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/295480 Commit-Queue: Philip Eliasson <philipel@webrtc.org> Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org> Reviewed-by: Björn Terelius <terelius@webrtc.org> Cr-Commit-Position: refs/heads/main@{#39449}
40 lines
1.5 KiB
C++
40 lines
1.5 KiB
C++
/*
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* Copyright (c) 2023 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef LOGGING_RTC_EVENT_LOG_ENCODER_OPTIONAL_BLOB_ENCODING_H_
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#define LOGGING_RTC_EVENT_LOG_ENCODER_OPTIONAL_BLOB_ENCODING_H_
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#include <stddef.h>
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#include <string>
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#include <vector>
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#include "absl/strings/string_view.h"
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#include "absl/types/optional.h"
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namespace webrtc {
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// Encode a sequence of optional strings, whose length is not known to be
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// discernable from the blob itself (i.e. without being transmitted OOB),
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// in a way that would allow us to separate them again on the decoding side.
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// EncodeOptionalBlobs() may not fail but may return an empty string
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std::string EncodeOptionalBlobs(
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const std::vector<absl::optional<std::string>>& blobs);
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// Calling DecodeOptionalBlobs() on an empty string, or with `num_of_blobs` set
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// to 0, is an error. DecodeOptionalBlobs() returns an empty vector if it fails,
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// which can happen if `encoded_blobs` is corrupted.
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std::vector<absl::optional<std::string>> DecodeOptionalBlobs(
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absl::string_view encoded_blobs,
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size_t num_of_blobs);
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} // namespace webrtc
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#endif // LOGGING_RTC_EVENT_LOG_ENCODER_OPTIONAL_BLOB_ENCODING_H_
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