From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 21:33:14 +0200
Subject: Adding upstream version 115.7.0esr.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 third_party/libwebrtc/test/pc/e2e/stats_poller.h | 80 ++++++++++++++++++++++++
 1 file changed, 80 insertions(+)
 create mode 100644 third_party/libwebrtc/test/pc/e2e/stats_poller.h

(limited to 'third_party/libwebrtc/test/pc/e2e/stats_poller.h')

diff --git a/third_party/libwebrtc/test/pc/e2e/stats_poller.h b/third_party/libwebrtc/test/pc/e2e/stats_poller.h
new file mode 100644
index 0000000000..3576f1bf05
--- /dev/null
+++ b/third_party/libwebrtc/test/pc/e2e/stats_poller.h
@@ -0,0 +1,80 @@
+/*
+ *  Copyright (c) 2019 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 TEST_PC_E2E_STATS_POLLER_H_
+#define TEST_PC_E2E_STATS_POLLER_H_
+
+#include <map>
+#include <string>
+#include <utility>
+#include <vector>
+
+#include "api/peer_connection_interface.h"
+#include "api/stats/rtc_stats_collector_callback.h"
+#include "api/test/stats_observer_interface.h"
+#include "rtc_base/synchronization/mutex.h"
+#include "rtc_base/thread_annotations.h"
+#include "test/pc/e2e/stats_provider.h"
+#include "test/pc/e2e/test_peer.h"
+
+namespace webrtc {
+namespace webrtc_pc_e2e {
+
+// Helper class that will notify all the webrtc::test::StatsObserverInterface
+// objects subscribed.
+class InternalStatsObserver : public RTCStatsCollectorCallback {
+ public:
+  InternalStatsObserver(absl::string_view pc_label,
+                        StatsProvider* peer,
+                        std::vector<StatsObserverInterface*> observers)
+      : pc_label_(pc_label), peer_(peer), observers_(std::move(observers)) {}
+
+  std::string pc_label() const { return pc_label_; }
+
+  void PollStats();
+
+  void OnStatsDelivered(
+      const rtc::scoped_refptr<const RTCStatsReport>& report) override;
+
+ private:
+  std::string pc_label_;
+  StatsProvider* peer_;
+  std::vector<StatsObserverInterface*> observers_;
+};
+
+// Helper class to invoke GetStats on a PeerConnection by passing a
+// webrtc::StatsObserver that will notify all the
+// webrtc::test::StatsObserverInterface subscribed.
+class StatsPoller {
+ public:
+  StatsPoller(std::vector<StatsObserverInterface*> observers,
+              std::map<std::string, StatsProvider*> peers_to_observe);
+  StatsPoller(std::vector<StatsObserverInterface*> observers,
+              std::map<std::string, TestPeer*> peers_to_observe);
+
+  void PollStatsAndNotifyObservers();
+
+  void RegisterParticipantInCall(absl::string_view peer_name,
+                                 StatsProvider* peer);
+  // Unregister participant from stats poller. Returns true if participant was
+  // removed and false if participant wasn't found.
+  bool UnregisterParticipantInCall(absl::string_view peer_name);
+
+ private:
+  const std::vector<StatsObserverInterface*> observers_;
+  webrtc::Mutex mutex_;
+  std::vector<rtc::scoped_refptr<InternalStatsObserver>> pollers_
+      RTC_GUARDED_BY(mutex_);
+};
+
+}  // namespace webrtc_pc_e2e
+}  // namespace webrtc
+
+#endif  // TEST_PC_E2E_STATS_POLLER_H_
-- 
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