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