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 9namespace content { 10 11void LogUserMediaRequestWithNoResult(MediaStreamRequestState state) { 12 UMA_HISTOGRAM_ENUMERATION("WebRTC.UserMediaRequest.NoResultState", 13 state, 14 NUM_MEDIA_STREAM_REQUEST_WITH_NO_RESULT); 15} 16 17void LogUserMediaRequestResult(MediaStreamRequestResult result) { 18 UMA_HISTOGRAM_ENUMERATION( 19 "WebRTC.UserMediaRequest.Result", result, NUM_MEDIA_REQUEST_RESULTS); 20} 21 22void UpdateWebRTCMethodCount(JavaScriptAPIName api_name) { 23 DVLOG(3) << "Incrementing WebRTC.webkitApiCount for " << api_name; 24 UMA_HISTOGRAM_ENUMERATION("WebRTC.webkitApiCount", api_name, INVALID_NAME); 25 PerSessionWebRTCAPIMetrics::GetInstance()->LogUsageOnlyOnce(api_name); 26} 27 28PerSessionWebRTCAPIMetrics::~PerSessionWebRTCAPIMetrics() { 29} 30 31// static 32PerSessionWebRTCAPIMetrics* PerSessionWebRTCAPIMetrics::GetInstance() { 33 return Singleton<PerSessionWebRTCAPIMetrics>::get(); 34} 35 36void PerSessionWebRTCAPIMetrics::IncrementStreamCounter() { 37 DCHECK(CalledOnValidThread()); 38 ++num_streams_; 39} 40 41void PerSessionWebRTCAPIMetrics::DecrementStreamCounter() { 42 DCHECK(CalledOnValidThread()); 43 if (--num_streams_ == 0) { 44 ResetUsage(); 45 } 46} 47 48PerSessionWebRTCAPIMetrics::PerSessionWebRTCAPIMetrics() : num_streams_(0) { 49 ResetUsage(); 50} 51 52void PerSessionWebRTCAPIMetrics::LogUsage(JavaScriptAPIName api_name) { 53 DVLOG(3) << "Incrementing WebRTC.webkitApiCountPerSession for " << api_name; 54 UMA_HISTOGRAM_ENUMERATION("WebRTC.webkitApiCountPerSession", 55 api_name, INVALID_NAME); 56} 57 58void PerSessionWebRTCAPIMetrics::LogUsageOnlyOnce(JavaScriptAPIName api_name) { 59 DCHECK(CalledOnValidThread()); 60 if (!has_used_api_[api_name]) { 61 has_used_api_[api_name] = true; 62 LogUsage(api_name); 63 } 64} 65 66void PerSessionWebRTCAPIMetrics::ResetUsage() { 67 for (size_t i = 0; i < arraysize(has_used_api_); ++i) 68 has_used_api_[i] = false; 69} 70 71} // namespace content 72