1 files changed, 54 insertions, 0 deletions
diff --git a/third_party/libwebrtc/api/test/metrics/metrics_set_proto_file_exporter.h b/third_party/libwebrtc/api/test/metrics/metrics_set_proto_file_exporter.h
new file mode 100644
index 0000000000..f996e9e7b0
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+++ b/third_party/libwebrtc/api/test/metrics/metrics_set_proto_file_exporter.h
@@ -0,0 +1,54 @@
+/*
+ *  Copyright (c) 2022 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 API_TEST_METRICS_METRICS_SET_PROTO_FILE_EXPORTER_H_
+#define API_TEST_METRICS_METRICS_SET_PROTO_FILE_EXPORTER_H_
+
+#include <string>
+
+#include "api/array_view.h"
+#include "api/test/metrics/metric.h"
+#include "api/test/metrics/metrics_exporter.h"
+
+namespace webrtc {
+namespace test {
+
+// Exports all collected metrics to the proto file using
+// `webrtc::test_metrics::MetricsSet` format.
+class MetricsSetProtoFileExporter : public MetricsExporter {
+ public:
+  struct Options {
+    explicit Options(absl::string_view export_file_path);
+    Options(absl::string_view export_file_path, bool export_whole_time_series);
+
+    // File to export proto.
+    std::string export_file_path;
+    // If true will write all time series values to the output proto file,
+    // otherwise will write stats only.
+    bool export_whole_time_series = true;
+  };
+
+  explicit MetricsSetProtoFileExporter(const Options& options)
+      : options_(options) {}
+
+  MetricsSetProtoFileExporter(const MetricsSetProtoFileExporter&) = delete;
+  MetricsSetProtoFileExporter& operator=(const MetricsSetProtoFileExporter&) =
+      delete;
+
+  bool Export(rtc::ArrayView<const Metric> metrics) override;
+
+ private:
+  const Options options_;
+};
+
+}  // namespace test
+}  // namespace webrtc
+
+#endif  // API_TEST_METRICS_METRICS_SET_PROTO_FILE_EXPORTER_H_