Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 40 insertions, 0 deletions

diff --git a/third_party/libwebrtc/logging/rtc_event_log/encoder/optional_blob_encoding.h b/third_party/libwebrtc/logging/rtc_event_log/encoder/optional_blob_encoding.h
new file mode 100644
index 0000000000..32f52785c6
--- /dev/null
+++ b/third_party/libwebrtc/logging/rtc_event_log/encoder/optional_blob_encoding.h
@@ -0,0 +1,40 @@
+/*
+ *  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 LOGGING_RTC_EVENT_LOG_ENCODER_OPTIONAL_BLOB_ENCODING_H_
+#define LOGGING_RTC_EVENT_LOG_ENCODER_OPTIONAL_BLOB_ENCODING_H_
+
+#include <stddef.h>
+
+#include <string>
+#include <vector>
+
+#include "absl/strings/string_view.h"
+#include "absl/types/optional.h"
+
+namespace webrtc {
+
+// Encode a sequence of optional strings, whose length is not known to be
+// discernable from the blob itself (i.e. without being transmitted OOB),
+// in a way that would allow us to separate them again on the decoding side.
+// EncodeOptionalBlobs() may not fail but may return an empty string
+std::string EncodeOptionalBlobs(
+    const std::vector<absl::optional<std::string>>& blobs);
+
+// Calling DecodeOptionalBlobs() on an empty string, or with `num_of_blobs` set
+// to 0, is an error. DecodeOptionalBlobs() returns an empty vector if it fails,
+// which can happen if `encoded_blobs` is corrupted.
+std::vector<absl::optional<std::string>> DecodeOptionalBlobs(
+    absl::string_view encoded_blobs,
+    size_t num_of_blobs);
+
+}  // namespace webrtc
+
+#endif  // LOGGING_RTC_EVENT_LOG_ENCODER_OPTIONAL_BLOB_ENCODING_H_