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/*
* 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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