| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "content/renderer/media/webrtc_uma_histograms.h" |
| |
| #include "base/metrics/histogram.h" |
| |
| namespace content { |
| |
| void UpdateWebRTCMethodCount(JavaScriptAPIName api_name) { |
| DVLOG(3) << "Incrementing WebRTC.webkitApiCount for " << api_name; |
| UMA_HISTOGRAM_ENUMERATION("WebRTC.webkitApiCount", api_name, INVALID_NAME); |
| PerSessionWebRTCAPIMetrics::GetInstance()->LogUsageOnlyOnce(api_name); |
| } |
| |
| PerSessionWebRTCAPIMetrics::~PerSessionWebRTCAPIMetrics() { |
| } |
| |
| // static |
| PerSessionWebRTCAPIMetrics* PerSessionWebRTCAPIMetrics::GetInstance() { |
| return Singleton<PerSessionWebRTCAPIMetrics>::get(); |
| } |
| |
| void PerSessionWebRTCAPIMetrics::IncrementStreamCounter() { |
| DCHECK(CalledOnValidThread()); |
| ++num_streams_; |
| } |
| |
| void PerSessionWebRTCAPIMetrics::DecrementStreamCounter() { |
| DCHECK(CalledOnValidThread()); |
| if (--num_streams_ == 0) { |
| ResetUsage(); |
| } |
| } |
| |
| PerSessionWebRTCAPIMetrics::PerSessionWebRTCAPIMetrics() : num_streams_(0) { |
| ResetUsage(); |
| } |
| |
| void PerSessionWebRTCAPIMetrics::LogUsage(JavaScriptAPIName api_name) { |
| DVLOG(3) << "Incrementing WebRTC.webkitApiCountPerSession for " << api_name; |
| UMA_HISTOGRAM_ENUMERATION("WebRTC.webkitApiCountPerSession", |
| api_name, INVALID_NAME); |
| } |
| |
| void PerSessionWebRTCAPIMetrics::LogUsageOnlyOnce(JavaScriptAPIName api_name) { |
| DCHECK(CalledOnValidThread()); |
| if (!has_used_api_[api_name]) { |
| has_used_api_[api_name] = true; |
| LogUsage(api_name); |
| } |
| } |
| |
| void PerSessionWebRTCAPIMetrics::ResetUsage() { |
| for (size_t i = 0; i < arraysize(has_used_api_); ++i) |
| has_used_api_[i] = false; |
| } |
| |
| } // namespace content |