50 lines
1.9 KiB
C++
50 lines
1.9 KiB
C++
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/*
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* Copyright 2020 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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#include "pc/usage_pattern.h"
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#include "api/peer_connection_interface.h"
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#include "rtc_base/logging.h"
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#include "system_wrappers/include/metrics.h"
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namespace webrtc {
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void UsagePattern::NoteUsageEvent(UsageEvent event) {
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usage_event_accumulator_ |= static_cast<int>(event);
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}
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void UsagePattern::ReportUsagePattern(PeerConnectionObserver* observer) const {
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RTC_DLOG(LS_INFO) << "Usage signature is " << usage_event_accumulator_;
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RTC_HISTOGRAM_ENUMERATION_SPARSE("WebRTC.PeerConnection.UsagePattern",
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usage_event_accumulator_,
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static_cast<int>(UsageEvent::MAX_VALUE));
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const int bad_bits =
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static_cast<int>(UsageEvent::SET_LOCAL_DESCRIPTION_SUCCEEDED) |
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static_cast<int>(UsageEvent::CANDIDATE_COLLECTED);
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const int good_bits =
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static_cast<int>(UsageEvent::SET_REMOTE_DESCRIPTION_SUCCEEDED) |
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static_cast<int>(UsageEvent::REMOTE_CANDIDATE_ADDED) |
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static_cast<int>(UsageEvent::ICE_STATE_CONNECTED);
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if ((usage_event_accumulator_ & bad_bits) == bad_bits &&
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(usage_event_accumulator_ & good_bits) == 0) {
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// If called after close(), we can't report, because observer may have
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// been deallocated, and therefore pointer is null. Write to log instead.
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if (observer) {
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observer->OnInterestingUsage(usage_event_accumulator_);
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} else {
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RTC_LOG(LS_INFO) << "Interesting usage signature "
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<< usage_event_accumulator_
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<< " observed after observer shutdown";
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}
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}
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}
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} // namespace webrtc
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