Add a default implementation in metrics_default.cc of histograms methods in system_wrappers/interfac

webrtc/video/end_to_end_tests.cc

 /*
  *  Copyright (c) 2013 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 <algorithm>
@@ skipping 13 matching lines @@
 #include "webrtc/common_video/include/frame_callback.h"
 #include "webrtc/modules/include/module_common_types.h"
 #include "webrtc/modules/rtp_rtcp/include/rtp_rtcp.h"
 #include "webrtc/modules/rtp_rtcp/source/byte_io.h"
 #include "webrtc/modules/rtp_rtcp/source/rtcp_utility.h"
 #include "webrtc/modules/video_coding/codecs/h264/include/h264.h"
 #include "webrtc/modules/video_coding/codecs/vp8/include/vp8.h"
 #include "webrtc/modules/video_coding/codecs/vp9/include/vp9.h"
 #include "webrtc/modules/video_coding/include/video_coding_defines.h"
 #include "webrtc/system_wrappers/include/metrics.h"
+#include "webrtc/system_wrappers/include/metrics_default.h"
 #include "webrtc/system_wrappers/include/sleep.h"
 #include "webrtc/test/call_test.h"
 #include "webrtc/test/direct_transport.h"
 #include "webrtc/test/encoder_settings.h"
 #include "webrtc/test/fake_decoder.h"
 #include "webrtc/test/fake_encoder.h"
 #include "webrtc/test/frame_generator.h"
 #include "webrtc/test/frame_generator_capturer.h"
-#include "webrtc/test/histogram.h"
 #include "webrtc/test/null_transport.h"
 #include "webrtc/test/rtcp_packet_parser.h"
 #include "webrtc/test/rtp_rtcp_observer.h"
 #include "webrtc/test/testsupport/fileutils.h"
 #include "webrtc/test/testsupport/perf_test.h"
 #include "webrtc/video_encoder.h"
 
 namespace webrtc {
 
 static const int kSilenceTimeoutMs = 2000;
@@ skipping 1917 matching lines @@
 
     rtc::CriticalSection crit_;
     uint64_t sent_rtp_packets_;
     uint16_t dropped_rtp_packet_ GUARDED_BY(&crit_);
     bool dropped_rtp_packet_requested_ GUARDED_BY(&crit_);
     std::vector<VideoReceiveStream*> receive_streams_;
     VideoSendStream* send_stream_;
     int64_t start_runtime_ms_;
   } test;
 
-  test::ClearHistograms();
+  metrics::Reset();
   RunBaseTest(&test);
 
-  EXPECT_EQ(1, test::NumHistogramSamples(
-      "WebRTC.Video.UniqueNackRequestsSentInPercent"));
-  EXPECT_EQ(1, test::NumHistogramSamples(
-      "WebRTC.Video.UniqueNackRequestsReceivedInPercent"));
-  EXPECT_GT(test::LastHistogramSample(
-      "WebRTC.Video.NackPacketsSentPerMinute"), 0);
-  EXPECT_GT(test::LastHistogramSample(
-      "WebRTC.Video.NackPacketsReceivedPerMinute"), 0);
+  EXPECT_EQ(
+      1, metrics::NumSamples("WebRTC.Video.UniqueNackRequestsSentInPercent"));
+  EXPECT_EQ(1, metrics::NumSamples(
+                   "WebRTC.Video.UniqueNackRequestsReceivedInPercent"));
+  EXPECT_GT(metrics::MinSample("WebRTC.Video.NackPacketsSentPerMinute"), 0);
 }
 
 void EndToEndTest::VerifyHistogramStats(bool use_rtx,
                                         bool use_red,
                                         bool screenshare) {
   class StatsObserver : public test::EndToEndTest {
    public:
     StatsObserver(bool use_rtx, bool use_red, bool screenshare)
         : EndToEndTest(kLongTimeoutMs),
           use_rtx_(use_rtx),
@@ skipping 67 matching lines @@
 
     const bool use_rtx_;
     const bool use_red_;
     const bool screenshare_;
     const std::unique_ptr<VideoEncoder> vp8_encoder_;
     Call* sender_call_;
     Call* receiver_call_;
     int64_t start_runtime_ms_;
   } test(use_rtx, use_red, screenshare);
 
-  test::ClearHistograms();
+  metrics::Reset();
   RunBaseTest(&test);
 
   // Delete the call for Call stats to be reported.
   sender_call_.reset();
   receiver_call_.reset();
 
   std::string video_prefix =
       screenshare ? "WebRTC.Video.Screenshare." : "WebRTC.Video.";
 
   // Verify that stats have been updated once.
+  EXPECT_EQ(1, metrics::NumSamples("WebRTC.Call.VideoBitrateReceivedInKbps"));
+  EXPECT_EQ(1, metrics::NumSamples("WebRTC.Call.RtcpBitrateReceivedInBps"));
+  EXPECT_EQ(1, metrics::NumSamples("WebRTC.Call.BitrateReceivedInKbps"));
+  EXPECT_EQ(1, metrics::NumSamples("WebRTC.Call.EstimatedSendBitrateInKbps"));
+  EXPECT_EQ(1, metrics::NumSamples("WebRTC.Call.PacerBitrateInKbps"));
+
+  EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.NackPacketsSentPerMinute"));
+  EXPECT_EQ(1,
+            metrics::NumSamples(video_prefix + "NackPacketsReceivedPerMinute"));
+  EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.FirPacketsSentPerMinute"));
+  EXPECT_EQ(1,
+            metrics::NumSamples(video_prefix + "FirPacketsReceivedPerMinute"));
+  EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.PliPacketsSentPerMinute"));
+  EXPECT_EQ(1,
+            metrics::NumSamples(video_prefix + "PliPacketsReceivedPerMinute"));
+
+  EXPECT_EQ(1, metrics::NumSamples(video_prefix + "KeyFramesSentInPermille"));
+  EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.KeyFramesReceivedInPermille"));
+
+  EXPECT_EQ(1, metrics::NumSamples(video_prefix + "SentPacketsLostInPercent"));
+  EXPECT_EQ(1,
+            metrics::NumSamples("WebRTC.Video.ReceivedPacketsLostInPercent"));
+
+  EXPECT_EQ(1, metrics::NumSamples(video_prefix + "InputWidthInPixels"));
+  EXPECT_EQ(1, metrics::NumSamples(video_prefix + "InputHeightInPixels"));
+  EXPECT_EQ(1, metrics::NumSamples(video_prefix + "SentWidthInPixels"));
+  EXPECT_EQ(1, metrics::NumSamples(video_prefix + "SentHeightInPixels"));
+  EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.ReceivedWidthInPixels"));
+  EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.ReceivedHeightInPixels"));
+
+  EXPECT_EQ(1, metrics::NumEvents(
+                   video_prefix + "InputWidthInPixels",
+                   static_cast<int>(video_encoder_config_.streams[0].width)));
+  EXPECT_EQ(1, metrics::NumEvents(
+                   video_prefix + "InputHeightInPixels",
+                   static_cast<int>(video_encoder_config_.streams[0].height)));
+  EXPECT_EQ(1, metrics::NumEvents(
+                   video_prefix + "SentWidthInPixels",
+                   static_cast<int>(video_encoder_config_.streams[0].width)));
+  EXPECT_EQ(1, metrics::NumEvents(
+                   video_prefix + "SentHeightInPixels",
+                   static_cast<int>(video_encoder_config_.streams[0].height)));
+  EXPECT_EQ(1, metrics::NumEvents(
+                   "WebRTC.Video.ReceivedWidthInPixels",
+                   static_cast<int>(video_encoder_config_.streams[0].width)));
+  EXPECT_EQ(1, metrics::NumEvents(
+                   "WebRTC.Video.ReceivedHeightInPixels",
+                   static_cast<int>(video_encoder_config_.streams[0].height)));
+
+  EXPECT_EQ(1, metrics::NumSamples(video_prefix + "InputFramesPerSecond"));
+  EXPECT_EQ(1, metrics::NumSamples(video_prefix + "SentFramesPerSecond"));
+  EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.DecodedFramesPerSecond"));
+  EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.RenderFramesPerSecond"));
+
+  EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.JitterBufferDelayInMs"));
+  EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.TargetDelayInMs"));
+  EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.CurrentDelayInMs"));
+  EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.OnewayDelayInMs"));
+
+  EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.RenderSqrtPixelsPerSecond"));
+
+  EXPECT_EQ(1, metrics::NumSamples(video_prefix + "EncodeTimeInMs"));
+  EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.DecodeTimeInMs"));
+
+  EXPECT_EQ(1, metrics::NumSamples(video_prefix + "BitrateSentInKbps"));
+  EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.BitrateReceivedInKbps"));
+  EXPECT_EQ(1, metrics::NumSamples(video_prefix + "MediaBitrateSentInKbps"));
+  EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.MediaBitrateReceivedInKbps"));
+  EXPECT_EQ(1, metrics::NumSamples(video_prefix + "PaddingBitrateSentInKbps"));
+  EXPECT_EQ(1,
+            metrics::NumSamples("WebRTC.Video.PaddingBitrateReceivedInKbps"));
   EXPECT_EQ(
-      1, test::NumHistogramSamples("WebRTC.Call.VideoBitrateReceivedInKbps"));
-  EXPECT_EQ(1,
-            test::NumHistogramSamples("WebRTC.Call.RtcpBitrateReceivedInBps"));
-  EXPECT_EQ(1, test::NumHistogramSamples("WebRTC.Call.BitrateReceivedInKbps"));
-  EXPECT_EQ(
-      1, test::NumHistogramSamples("WebRTC.Call.EstimatedSendBitrateInKbps"));
-  EXPECT_EQ(1, test::NumHistogramSamples("WebRTC.Call.PacerBitrateInKbps"));
+      1, metrics::NumSamples(video_prefix + "RetransmittedBitrateSentInKbps"));
+  EXPECT_EQ(1, metrics::NumSamples(
+                   "WebRTC.Video.RetransmittedBitrateReceivedInKbps"));
 
-  EXPECT_EQ(1, test::NumHistogramSamples(
-      "WebRTC.Video.NackPacketsSentPerMinute"));
-  EXPECT_EQ(1, test::NumHistogramSamples(video_prefix +
-                                         "NackPacketsReceivedPerMinute"));
-  EXPECT_EQ(1, test::NumHistogramSamples(
-      "WebRTC.Video.FirPacketsSentPerMinute"));
-  EXPECT_EQ(1, test::NumHistogramSamples(video_prefix +
-                                         "FirPacketsReceivedPerMinute"));
-  EXPECT_EQ(1, test::NumHistogramSamples(
-      "WebRTC.Video.PliPacketsSentPerMinute"));
-  EXPECT_EQ(1, test::NumHistogramSamples(video_prefix +
-                                         "PliPacketsReceivedPerMinute"));
-
-  EXPECT_EQ(
-      1, test::NumHistogramSamples(video_prefix + "KeyFramesSentInPermille"));
-  EXPECT_EQ(1, test::NumHistogramSamples(
-      "WebRTC.Video.KeyFramesReceivedInPermille"));
-
-  EXPECT_EQ(
-      1, test::NumHistogramSamples(video_prefix + "SentPacketsLostInPercent"));
-  EXPECT_EQ(1, test::NumHistogramSamples(
-      "WebRTC.Video.ReceivedPacketsLostInPercent"));
-
-  EXPECT_EQ(1, test::NumHistogramSamples(video_prefix + "InputWidthInPixels"));
-  EXPECT_EQ(1, test::NumHistogramSamples(video_prefix + "InputHeightInPixels"));
-  EXPECT_EQ(1, test::NumHistogramSamples(video_prefix + "SentWidthInPixels"));
-  EXPECT_EQ(1, test::NumHistogramSamples(video_prefix + "SentHeightInPixels"));
-  EXPECT_EQ(1, test::NumHistogramSamples("WebRTC.Video.ReceivedWidthInPixels"));
-  EXPECT_EQ(1,
-            test::NumHistogramSamples("WebRTC.Video.ReceivedHeightInPixels"));
-
-  EXPECT_EQ(static_cast<int>(video_encoder_config_.streams[0].width),
-            test::LastHistogramSample(video_prefix + "InputWidthInPixels"));
-  EXPECT_EQ(static_cast<int>(video_encoder_config_.streams[0].height),
-            test::LastHistogramSample(video_prefix + "InputHeightInPixels"));
-  EXPECT_EQ(static_cast<int>(video_encoder_config_.streams[0].width),
-            test::LastHistogramSample(video_prefix + "SentWidthInPixels"));
-  EXPECT_EQ(static_cast<int>(video_encoder_config_.streams[0].height),
-            test::LastHistogramSample(video_prefix + "SentHeightInPixels"));
-  EXPECT_EQ(static_cast<int>(video_encoder_config_.streams[0].width),
-            test::LastHistogramSample("WebRTC.Video.ReceivedWidthInPixels"));
-  EXPECT_EQ(static_cast<int>(video_encoder_config_.streams[0].height),
-            test::LastHistogramSample("WebRTC.Video.ReceivedHeightInPixels"));
-
-  EXPECT_EQ(1,
-            test::NumHistogramSamples(video_prefix + "InputFramesPerSecond"));
-  EXPECT_EQ(1, test::NumHistogramSamples(video_prefix + "SentFramesPerSecond"));
-  EXPECT_EQ(1, test::NumHistogramSamples(
-      "WebRTC.Video.DecodedFramesPerSecond"));
-  EXPECT_EQ(1, test::NumHistogramSamples("WebRTC.Video.RenderFramesPerSecond"));
-
-  EXPECT_EQ(1, test::NumHistogramSamples("WebRTC.Video.JitterBufferDelayInMs"));
-  EXPECT_EQ(1, test::NumHistogramSamples("WebRTC.Video.TargetDelayInMs"));
-  EXPECT_EQ(1, test::NumHistogramSamples("WebRTC.Video.CurrentDelayInMs"));
-  EXPECT_EQ(1, test::NumHistogramSamples("WebRTC.Video.OnewayDelayInMs"));
-  EXPECT_EQ(
-      1, test::NumHistogramSamples("WebRTC.Video.RenderSqrtPixelsPerSecond"));
-
-  EXPECT_EQ(1, test::NumHistogramSamples(video_prefix + "EncodeTimeInMs"));
-  EXPECT_EQ(1, test::NumHistogramSamples("WebRTC.Video.DecodeTimeInMs"));
-
-  EXPECT_EQ(1, test::NumHistogramSamples(video_prefix + "BitrateSentInKbps"));
-  EXPECT_EQ(1, test::NumHistogramSamples(
-      "WebRTC.Video.BitrateReceivedInKbps"));
-  EXPECT_EQ(1,
-            test::NumHistogramSamples(video_prefix + "MediaBitrateSentInKbps"));
-  EXPECT_EQ(1, test::NumHistogramSamples(
-      "WebRTC.Video.MediaBitrateReceivedInKbps"));
-  EXPECT_EQ(
-      1, test::NumHistogramSamples(video_prefix + "PaddingBitrateSentInKbps"));
-  EXPECT_EQ(1, test::NumHistogramSamples(
-      "WebRTC.Video.PaddingBitrateReceivedInKbps"));
-  EXPECT_EQ(1, test::NumHistogramSamples(video_prefix +
-                                         "RetransmittedBitrateSentInKbps"));
-  EXPECT_EQ(1, test::NumHistogramSamples(
-      "WebRTC.Video.RetransmittedBitrateReceivedInKbps"));
-
-  EXPECT_EQ(1, test::NumHistogramSamples(video_prefix + "SendSideDelayInMs"));
-  EXPECT_EQ(1,
-            test::NumHistogramSamples(video_prefix + "SendSideDelayMaxInMs"));
-  EXPECT_EQ(1, test::NumHistogramSamples("WebRTC.Video.SendDelayInMs"));
+  EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.SendDelayInMs"));
+  EXPECT_EQ(1, metrics::NumSamples(video_prefix + "SendSideDelayInMs"));
+  EXPECT_EQ(1, metrics::NumSamples(video_prefix + "SendSideDelayMaxInMs"));
 
   int num_rtx_samples = use_rtx ? 1 : 0;
-  EXPECT_EQ(num_rtx_samples, test::NumHistogramSamples(
-      "WebRTC.Video.RtxBitrateSentInKbps"));
-  EXPECT_EQ(num_rtx_samples, test::NumHistogramSamples(
-      "WebRTC.Video.RtxBitrateReceivedInKbps"));
+  EXPECT_EQ(num_rtx_samples,
+            metrics::NumSamples("WebRTC.Video.RtxBitrateSentInKbps"));
+  EXPECT_EQ(num_rtx_samples,
+            metrics::NumSamples("WebRTC.Video.RtxBitrateReceivedInKbps"));
 
   int num_red_samples = use_red ? 1 : 0;
-  EXPECT_EQ(num_red_samples, test::NumHistogramSamples(
-      "WebRTC.Video.FecBitrateSentInKbps"));
-  EXPECT_EQ(num_red_samples, test::NumHistogramSamples(
-      "WebRTC.Video.FecBitrateReceivedInKbps"));
-  EXPECT_EQ(num_red_samples, test::NumHistogramSamples(
-      "WebRTC.Video.ReceivedFecPacketsInPercent"));
+  EXPECT_EQ(num_red_samples,
+            metrics::NumSamples("WebRTC.Video.FecBitrateSentInKbps"));
+  EXPECT_EQ(num_red_samples,
+            metrics::NumSamples("WebRTC.Video.FecBitrateReceivedInKbps"));
+  EXPECT_EQ(num_red_samples,
+            metrics::NumSamples("WebRTC.Video.ReceivedFecPacketsInPercent"));
 }
 
 TEST_F(EndToEndTest, VerifyHistogramStatsWithRtx) {
   const bool kEnabledRtx = true;
   const bool kEnabledRed = false;
   const bool kScreenshare = false;
   VerifyHistogramStats(kEnabledRtx, kEnabledRed, kScreenshare);
 }
 
 TEST_F(EndToEndTest, VerifyHistogramStatsWithRed) {
@@ skipping 1300 matching lines @@
    private:
     bool video_observed_;
     bool audio_observed_;
     SequenceNumberUnwrapper unwrapper_;
     std::set<int64_t> received_packet_ids_;
   } test;
 
   RunBaseTest(&test);
 }
 }  // namespace webrtc