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      1 /*
      2  * libjingle
      3  * Copyright 2015 Google Inc.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions are met:
      7  *
      8  *  1. Redistributions of source code must retain the above copyright notice,
      9  *     this list of conditions and the following disclaimer.
     10  *  2. Redistributions in binary form must reproduce the above copyright notice,
     11  *     this list of conditions and the following disclaimer in the documentation
     12  *     and/or other materials provided with the distribution.
     13  *  3. The name of the author may not be used to endorse or promote products
     14  *     derived from this software without specific prior written permission.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
     17  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     18  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
     19  * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     20  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     21  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
     22  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     23  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
     24  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
     25  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     26  */
     27 
     28 #include "talk/app/webrtc/fakemetricsobserver.h"
     29 #include "webrtc/base/checks.h"
     30 
     31 namespace webrtc {
     32 
     33 FakeMetricsObserver::FakeMetricsObserver() {
     34   Reset();
     35 }
     36 
     37 void FakeMetricsObserver::Reset() {
     38   RTC_DCHECK(thread_checker_.CalledOnValidThread());
     39   counters_.clear();
     40   memset(histogram_samples_, 0, sizeof(histogram_samples_));
     41 }
     42 
     43 void FakeMetricsObserver::IncrementEnumCounter(
     44     PeerConnectionEnumCounterType type,
     45     int counter,
     46     int counter_max) {
     47   RTC_DCHECK(thread_checker_.CalledOnValidThread());
     48   if (counters_.size() <= static_cast<size_t>(type)) {
     49     counters_.resize(type + 1);
     50   }
     51   auto& counters = counters_[type];
     52   ++counters[counter];
     53 }
     54 
     55 void FakeMetricsObserver::AddHistogramSample(PeerConnectionMetricsName type,
     56     int value) {
     57   RTC_DCHECK(thread_checker_.CalledOnValidThread());
     58   RTC_DCHECK_EQ(histogram_samples_[type], 0);
     59   histogram_samples_[type] = value;
     60 }
     61 
     62 int FakeMetricsObserver::GetEnumCounter(PeerConnectionEnumCounterType type,
     63                                         int counter) const {
     64   RTC_DCHECK(thread_checker_.CalledOnValidThread());
     65   RTC_CHECK(counters_.size() > static_cast<size_t>(type));
     66   const auto& it = counters_[type].find(counter);
     67   if (it == counters_[type].end()) {
     68     return 0;
     69   }
     70   return it->second;
     71 }
     72 
     73 int FakeMetricsObserver::GetHistogramSample(
     74     PeerConnectionMetricsName type) const {
     75   RTC_DCHECK(thread_checker_.CalledOnValidThread());
     76   return histogram_samples_[type];
     77 }
     78 
     79 }  // namespace webrtc
     80