1 // Copyright 2014 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "content/renderer/media/webrtc_uma_histograms.h" 6 7 #include "base/metrics/histogram.h" 8 9 namespace content { 10 11 void UpdateWebRTCMethodCount(JavaScriptAPIName api_name) { 12 DVLOG(3) << "Incrementing WebRTC.webkitApiCount for " << api_name; 13 UMA_HISTOGRAM_ENUMERATION("WebRTC.webkitApiCount", api_name, INVALID_NAME); 14 PerSessionWebRTCAPIMetrics::GetInstance()->LogUsageOnlyOnce(api_name); 15 } 16 17 PerSessionWebRTCAPIMetrics::~PerSessionWebRTCAPIMetrics() { 18 } 19 20 // static 21 PerSessionWebRTCAPIMetrics* PerSessionWebRTCAPIMetrics::GetInstance() { 22 return Singleton<PerSessionWebRTCAPIMetrics>::get(); 23 } 24 25 void PerSessionWebRTCAPIMetrics::IncrementStreamCounter() { 26 DCHECK(CalledOnValidThread()); 27 ++num_streams_; 28 } 29 30 void PerSessionWebRTCAPIMetrics::DecrementStreamCounter() { 31 DCHECK(CalledOnValidThread()); 32 if (--num_streams_ == 0) { 33 ResetUsage(); 34 } 35 } 36 37 PerSessionWebRTCAPIMetrics::PerSessionWebRTCAPIMetrics() : num_streams_(0) { 38 ResetUsage(); 39 } 40 41 void PerSessionWebRTCAPIMetrics::LogUsage(JavaScriptAPIName api_name) { 42 DVLOG(3) << "Incrementing WebRTC.webkitApiCountPerSession for " << api_name; 43 UMA_HISTOGRAM_ENUMERATION("WebRTC.webkitApiCountPerSession", 44 api_name, INVALID_NAME); 45 } 46 47 void PerSessionWebRTCAPIMetrics::LogUsageOnlyOnce(JavaScriptAPIName api_name) { 48 DCHECK(CalledOnValidThread()); 49 if (!has_used_api_[api_name]) { 50 has_used_api_[api_name] = true; 51 LogUsage(api_name); 52 } 53 } 54 55 void PerSessionWebRTCAPIMetrics::ResetUsage() { 56 for (size_t i = 0; i < arraysize(has_used_api_); ++i) 57 has_used_api_[i] = false; 58 } 59 60 } // namespace content 61
